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<div class="title">api_msg.c</div> </div>
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<div class="contents">
<a href="../../d7/dc1/api__msg_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (c) 2001-2004 Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * 3. The name of the author may not be used to endorse or promote products</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="../../dc/dba/opt_8h.html">net/opt.h</a>></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#if LWIP_NETCONN </span><span class="comment">/* don't build if not configured for use in lwipopts.h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <<a class="code" href="../../d0/dc4/api__msg_8h.html">net/priv/api_msg.h</a>></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <<a class="code" href="../../da/d2f/ip_8h.html">net/ip.h</a>></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <<a class="code" href="../../de/df7/ip__addr_8h.html">net/ip_addr.h</a>></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <<a class="code" href="../../d2/da7/udp_8h.html">net/udp.h</a>></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <<a class="code" href="../../d8/da5/tcp_8h.html">net/tcp.h</a>></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <<a class="code" href="../../d6/df4/raw_8h.html">net/raw.h</a>></span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <<a class="code" href="../../df/dff/memp_8h.html">net/memp.h</a>></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <<a class="code" href="../../d9/d9c/igmp_8h.html">net/igmp.h</a>></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include <<a class="code" href="../../d5/d2e/dns_8h.html">net/dns.h</a>></span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include <<a class="code" href="../../d0/d61/mld6_8h.html">net/mld6.h</a>></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include <<a class="code" href="../../d6/d89/tcpip__priv_8h.html">net/priv/tcpip_priv.h</a>></span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include <<a class="code" href="../../da/d66/string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">/* netconns are polled once per second (e.g. continue write on memory error) */</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#define NETCONN_TCP_POLL_INTERVAL 2</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#define SET_NONBLOCKING_CONNECT(conn, val) do { if (val) { \</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"> (conn)->flags |= NETCONN_FLAG_IN_NONBLOCKING_CONNECT; \</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">} else { \</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"> (conn)->flags &= ~ NETCONN_FLAG_IN_NONBLOCKING_CONNECT; }} while(0)</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define IN_NONBLOCKING_CONNECT(conn) (((conn)->flags & NETCONN_FLAG_IN_NONBLOCKING_CONNECT) != 0)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">/* forward declarations */</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#define WRITE_DELAYED , 1</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#define WRITE_DELAYED_PARAM , u8_t delayed</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define WRITE_DELAYED</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#define WRITE_DELAYED_PARAM</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> lwip_netconn_do_writemore(<span class="keyword">struct</span> netconn *conn WRITE_DELAYED_PARAM);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> lwip_netconn_do_close_internal(<span class="keyword">struct</span> netconn *conn WRITE_DELAYED_PARAM);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#define TCPIP_APIMSG_ACK(m) NETCONN_SET_SAFE_ERR((m)->conn, (m)->err)</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#define TCPIP_APIMSG_ACK(m) do { NETCONN_SET_SAFE_ERR((m)->conn, (m)->err); sys_sem_signal(LWIP_API_MSG_SEM(m)); } while(0)</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> netconn_aborted;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">static</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> recv_raw(<span class="keywordtype">void</span> *arg, <span class="keyword">struct</span> raw_pcb *pcb, <span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p,</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">const</span> <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *q;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">struct </span>netbuf *<a class="code" href="../../d9/dd0/structbuf.html">buf</a>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(addr);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> ((conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && <a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox)) {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">int</span> recv_avail;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="../../d9/d87/sys_8h.html#a0da95147531964d619be7744c7169986">SYS_ARCH_GET</a>(conn->recv_avail, recv_avail);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> ((recv_avail + (<span class="keywordtype">int</span>)(p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>)) > conn->recv_bufsize) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">/* copy the whole packet into new pbufs */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  q = <a class="code" href="../../d7/d05/group__pbuf.html#gacfcb0a2af918658ba0afe36499c65f47">pbuf_alloc</a>(<a class="code" href="../../d7/d05/group__pbuf.html#ggaee1baa59bb2f85ba575b5a8619ac1ebfa21116654fbab6d5a4dfeb87a1bb8f0ba">PBUF_RAW</a>, p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>, <a class="code" href="../../d7/d05/group__pbuf.html#ggab7e0e32fcc292c0d7107721766ed92fbac5e9f28455bca98944a030d4b84ecfab">PBUF_RAM</a>);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (q != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d7/d05/group__pbuf.html#gaba88511dee3df4b631fde691f421320d">pbuf_copy</a>(q, p) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(q);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  q = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (q != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a> = (<span class="keyword">struct </span>netbuf *)<a class="code" href="../../df/dff/memp_8h.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a>(MEMP_NETBUF);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d9/dd0/structbuf.html">buf</a> == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(q);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->p = q;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->ptr = q;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a77a933975db287f6aa5c2e70249ba18f">ip_addr_copy</a>(<a class="code" href="../../d9/dd0/structbuf.html">buf</a>->addr, *<a class="code" href="../../da/d2f/ip_8h.html#a4e35b7692c228c98e738892f0a215647">ip_current_src_addr</a>());</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->port = pcb->protocol;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  len = q-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->recvmbox, <a class="code" href="../../d9/dd0/structbuf.html">buf</a>) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  netbuf_delete(<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="../../d9/d87/sys_8h.html#acc5f7f8cbd020de628d1e9a0443da4c7">SYS_ARCH_INC</a>(conn->recv_avail, len);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> 0; <span class="comment">/* do not eat the packet */</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> recv_udp(<span class="keywordtype">void</span> *arg, <span class="keyword">struct</span> udp_pcb *pcb, <span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port)</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">struct </span>netbuf *<a class="code" href="../../d9/dd0/structbuf.html">buf</a>;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">int</span> recv_avail;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(pcb); <span class="comment">/* only used for asserts... */</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"recv_udp must have a pcb argument"</span>, pcb != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"recv_udp must have an argument"</span>, arg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (conn == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"recv_udp: recv for wrong pcb!"</span>, conn->pcb.udp == pcb);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="../../d9/d87/sys_8h.html#a0da95147531964d619be7744c7169986">SYS_ARCH_GET</a>(conn->recv_avail, recv_avail);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox) ||</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  ((recv_avail + (<span class="keywordtype">int</span>)(p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>)) > conn->recv_bufsize)) {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox)) {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a> = (<span class="keyword">struct </span>netbuf *)<a class="code" href="../../df/dff/memp_8h.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a>(MEMP_NETBUF);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d9/dd0/structbuf.html">buf</a> == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->p = p;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->ptr = p;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a40db7feae2b92f7a7a01d65a85b06e18">ip_addr_set</a>(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>->addr, addr);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->port = port;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#if LWIP_NETBUF_RECVINFO</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">/* get the UDP header - always in the first pbuf, ensured by udp_input */</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="../../da/d31/structudp__hdr.html">udp_hdr</a>* udphdr = (<span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="../../da/d31/structudp__hdr.html">udp_hdr</a>*)ip_next_header_ptr();</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#if LWIP_CHECKSUM_ON_COPY</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->flags = NETBUF_FLAG_DESTADDR;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_CHECKSUM_ON_COPY */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a40db7feae2b92f7a7a01d65a85b06e18">ip_addr_set</a>(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>->toaddr, <a class="code" href="../../da/d2f/ip_8h.html#a9135977868017c3deeec86b525e13997">ip_current_dest_addr</a>());</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>->toport_chksum = udphdr->dest;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETBUF_RECVINFO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  len = p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->recvmbox, <a class="code" href="../../d9/dd0/structbuf.html">buf</a>) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  netbuf_delete(<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="../../d9/d87/sys_8h.html#acc5f7f8cbd020de628d1e9a0443da4c7">SYS_ARCH_INC</a>(conn->recv_avail, len);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> recv_tcp(<span class="keywordtype">void</span> *arg, <span class="keyword">struct</span> tcp_pcb *pcb, <span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err)</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> {</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(pcb);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"recv_tcp must have a pcb argument"</span>, pcb != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"recv_tcp must have an argument"</span>, arg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (conn == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"recv_tcp: recv for wrong pcb!"</span>, conn->pcb.tcp == pcb);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox)) {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">/* recvmbox already deleted */</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (p != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  tcp_recved(pcb, p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">/* Unlike for UDP or RAW pcbs, don't check for available space</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> using recv_avail since that could break the connection</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> (data is already ACKed) */</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">/* don't overwrite fatal errors! */</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  NETCONN_SET_SAFE_ERR(conn, err);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (p != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  len = p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  len = 0;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->recvmbox, p) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">/* don't deallocate p: it is presented to us later again from tcp_fasttmr! */</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <a class="code" href="../../d9/d87/sys_8h.html#acc5f7f8cbd020de628d1e9a0443da4c7">SYS_ARCH_INC</a>(conn->recv_avail, len);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> }</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> poll_tcp(<span class="keywordtype">void</span> *arg, <span class="keyword">struct</span> tcp_pcb *pcb)</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> {</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keyword">struct </span>netconn *conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  </div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(pcb);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn != NULL"</span>, (conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>));</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  </div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (conn->state == NETCONN_WRITE) {</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  lwip_netconn_do_writemore(conn WRITE_DELAYED);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (conn->state == NETCONN_CLOSE) {</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="preprocessor">#if !LWIP_SO_SNDTIMEO && !LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (conn->current_msg && conn->current_msg->msg.sd.polls_left) {</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  conn->current_msg->msg.sd.polls_left--;</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_SO_SNDTIMEO && !LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  lwip_netconn_do_close_internal(conn WRITE_DELAYED);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">/* @todo: implement connect timeout here? */</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  </div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">/* Did a nonblocking write fail before? Then check available write-space. */</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">if</span> (conn->flags & NETCONN_FLAG_CHECK_WRITESPACE) {</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">/* If the queued byte- or pbuf-count drops below the configured low-water limit,</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> let select mark this pcb as writable again. */</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">if</span> ((conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (tcp_sndbuf(conn->pcb.tcp) > <a class="code" href="../../d2/d78/lwipopts_8h.html#ae5c9866d7cd463ac7b36792182145aec">TCP_SNDLOWAT</a>) &&</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  (tcp_sndqueuelen(conn->pcb.tcp) < <a class="code" href="../../d2/d78/lwipopts_8h.html#a75659867592a6b01c198532ed1b65698">TCP_SNDQUEUELOWAT</a>)) {</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  conn->flags &= ~NETCONN_FLAG_CHECK_WRITESPACE;</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> }</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  </div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> sent_tcp(<span class="keywordtype">void</span> *arg, <span class="keyword">struct</span> tcp_pcb *pcb, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len)</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> {</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">struct </span>netconn *conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  </div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(pcb);</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn != NULL"</span>, (conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>));</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (conn) {</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">if</span> (conn->state == NETCONN_WRITE) {</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  lwip_netconn_do_writemore(conn WRITE_DELAYED);</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (conn->state == NETCONN_CLOSE) {</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  lwip_netconn_do_close_internal(conn WRITE_DELAYED);</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">/* If the queued byte- or pbuf-count drops below the configured low-water limit,</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> let select mark this pcb as writable again. */</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">if</span> ((conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (tcp_sndbuf(conn->pcb.tcp) > <a class="code" href="../../d2/d78/lwipopts_8h.html#ae5c9866d7cd463ac7b36792182145aec">TCP_SNDLOWAT</a>) &&</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  (tcp_sndqueuelen(conn->pcb.tcp) < <a class="code" href="../../d2/d78/lwipopts_8h.html#a75659867592a6b01c198532ed1b65698">TCP_SNDQUEUELOWAT</a>)) {</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  conn->flags &= ~NETCONN_FLAG_CHECK_WRITESPACE;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  API_EVENT(conn, NETCONN_EVT_SENDPLUS, len);</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  }</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  </div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> }</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> err_tcp(<span class="keywordtype">void</span> *arg, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err)</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> {</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">enum</span> netconn_state old_state;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn != NULL"</span>, (conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>));</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  </div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  conn->pcb.tcp = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="comment">/* reset conn->state now before waking up other threads */</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  old_state = conn->state;</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  conn->state = NETCONN_NONE;</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (old_state == NETCONN_CLOSE) {</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="comment">/* RST during close: let close return success & dealloc the netconn */</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  NETCONN_SET_SAFE_ERR(conn, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>);</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">/* no check since this is always fatal! */</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <a class="code" href="../../d9/d87/sys_8h.html#a24ff55288a4d9fa28100c78b2f4612f6">SYS_ARCH_SET</a>(conn->last_err, err);</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  </div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">/* @todo: the type of NETCONN_EVT created should depend on 'old_state' */</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  </div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="comment">/* Notify the user layer about a connection error. Used to signal select. */</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  API_EVENT(conn, NETCONN_EVT_ERROR, 0);</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="comment">/* Try to release selects pending on 'read' or 'write', too.</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment"> They will get an error if they actually try to read or write. */</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">/* pass NULL-message to recvmbox to wake up pending recv */</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox)) {</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">/* use trypost to prevent deadlock */</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->recvmbox, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  }</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">/* pass NULL-message to acceptmbox to wake up pending accept */</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->acceptmbox)) {</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">/* use trypost to preven deadlock */</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->acceptmbox, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  }</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  </div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> ((old_state == NETCONN_WRITE) || (old_state == NETCONN_CLOSE) ||</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  (old_state == NETCONN_CONNECT)) {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">/* calling lwip_netconn_do_writemore/lwip_netconn_do_close_internal is not necessary</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> since the pcb has already been deleted! */</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordtype">int</span> was_nonblocking_connect = IN_NONBLOCKING_CONNECT(conn);</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  SET_NONBLOCKING_CONNECT(conn, 0);</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  </div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span> (!was_nonblocking_connect) {</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>* op_completed_sem;</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="comment">/* set error return code */</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->current_msg != NULL"</span>, conn->current_msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  conn->current_msg->err = err;</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  op_completed_sem = LWIP_API_MSG_SEM(conn->current_msg);</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"inavlid op_completed_sem"</span>, <a class="code" href="../../da/d3a/group__sys__sem.html#gac7ff314270976b80559d043f6098817b">sys_sem_valid</a>(op_completed_sem));</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  conn->current_msg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="comment">/* wake up the waiting task */</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  NETCONN_SET_SAFE_ERR(conn, err);</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(op_completed_sem);</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->current_msg == NULL"</span>, conn->current_msg == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> }</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  </div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> setup_tcp(<span class="keyword">struct</span> netconn *conn)</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> {</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keyword">struct </span>tcp_pcb *pcb;</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  pcb = conn->pcb.tcp;</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  tcp_arg(pcb, conn);</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  tcp_recv(pcb, recv_tcp);</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  tcp_sent(pcb, sent_tcp);</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  tcp_poll(pcb, poll_tcp, NETCONN_TCP_POLL_INTERVAL);</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  tcp_err(pcb, err_tcp);</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> }</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  </div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> accept_function(<span class="keywordtype">void</span> *arg, <span class="keyword">struct</span> tcp_pcb *newpcb, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err)</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> {</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keyword">struct </span>netconn *newconn;</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keyword">struct </span>netconn *conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  </div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">if</span> (conn == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->acceptmbox)) {</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a4279d7ff9f986b2ff3eb068bb012b697">API_MSG_DEBUG</a>, (<span class="stringliteral">"accept_function: acceptmbox already deleted\n"</span>));</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  </div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">if</span> (newpcb == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="comment">/* out-of-pcbs during connect: pass on this error to the application */</span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->acceptmbox, &netconn_aborted) == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  }</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  }</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  </div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a4279d7ff9f986b2ff3eb068bb012b697">API_MSG_DEBUG</a>, (<span class="stringliteral">"accept_function: newpcb->tate: %s\n"</span>, tcp_debug_state_str(newpcb->state)));</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  </div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">/* We have to set the callback here even though</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="comment"> * the new socket is unknown. newconn->socket is marked as -1. */</span></div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  newconn = netconn_alloc(conn->type, conn->callback);</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">if</span> (newconn == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">/* outof netconns: pass on this error to the application */</span></div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->acceptmbox, &netconn_aborted) == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  }</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  newconn->pcb.tcp = newpcb;</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  setup_tcp(newconn);</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="comment">/* no protection: when creating the pcb, the netconn is not yet known</span></div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment"> to the application thread */</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  newconn->last_err = err;</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  </div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="comment">/* handle backlog counter */</span></div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  tcp_backlog_delayed(newpcb);</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  </div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a>(&conn->acceptmbox, newconn) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="comment">/* When returning != ERR_OK, the pcb is aborted in tcp_process(),</span></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="comment"> so do nothing here! */</span></div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="comment">/* remove all references to this netconn from the pcb */</span></div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">struct </span>tcp_pcb* pcb = newconn->pcb.tcp;</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  tcp_arg(pcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  tcp_recv(pcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  tcp_sent(pcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  tcp_poll(pcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 0);</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  tcp_err(pcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">/* remove reference from to the pcb from this netconn */</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  newconn->pcb.tcp = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="comment">/* no need to drain since we know the recvmbox is empty. */</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#gad4a51a28337f89d4b4806e6deb99798d">sys_mbox_free</a>(&newconn->recvmbox);</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#ga64ca1b1ef4c810f4d67595eca4fdfef0">sys_mbox_set_invalid</a>(&newconn->recvmbox);</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  netconn_free(newconn);</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  </div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> }</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  </div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> pcb_new(<span class="keyword">struct</span> api_msg *msg)</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> {</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keyword">enum</span> <a class="code" href="../../d4/d10/group__ipaddr.html#gaf2142f0dfdcc938e2db16aa745ed585c">lwip_ip_addr_type</a> iptype = <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a>;</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  </div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"pcb_new: pcb already allocated"</span>, msg->conn->pcb.tcp == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  </div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="preprocessor">#if LWIP_IPV6 && LWIP_IPV4</span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="comment">/* IPv6: Dual-stack by default, unless netconn_set_ipv6only() is called */</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">if</span>(NETCONNTYPE_ISIPV6(netconn_type(msg->conn))) {</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  iptype = <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e">IPADDR_TYPE_ANY</a>;</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  }</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">/* Allocate a PCB for this connection */</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">switch</span>(NETCONNTYPE_GROUP(msg->conn->type)) {</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  msg->conn->pcb.raw = raw_new_ip_type(iptype, msg->msg.n.proto);</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">if</span> (msg->conn->pcb.raw != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="comment">/* ICMPv6 packets should always have checksum calculated by the stack as per RFC 3542 chapter 3.1 */</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordflow">if</span> (NETCONNTYPE_ISIPV6(msg->conn->type) && msg->conn->pcb.raw->protocol == <a class="code" href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>) {</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  msg->conn->pcb.raw->chksum_reqd = 1;</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  msg->conn->pcb.raw->chksum_offset = 2;</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  }</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  raw_recv(msg->conn->pcb.raw, recv_raw, msg->conn);</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  }</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  msg->conn->pcb.udp = udp_new_ip_type(iptype);</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">if</span> (msg->conn->pcb.udp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="preprocessor">#if LWIP_UDPLITE</span></div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordflow">if</span> (NETCONNTYPE_ISUDPLITE(msg->conn->type)) {</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  udp_setflags(msg->conn->pcb.udp, UDP_FLAGS_UDPLITE);</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  }</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDPLITE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordflow">if</span> (NETCONNTYPE_ISUDPNOCHKSUM(msg->conn->type)) {</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  udp_setflags(msg->conn->pcb.udp, UDP_FLAGS_NOCHKSUM);</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  udp_recv(msg->conn->pcb.udp, recv_udp, msg->conn);</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  }</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordflow">case</span> NETCONN_TCP:</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  msg->conn->pcb.tcp = tcp_new_ip_type(iptype);</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  setup_tcp(msg->conn);</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  }</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="comment">/* Unsupported netconn type, e.g. protocol disabled */</span></div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  }</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">if</span> (msg->conn->pcb.ip == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  }</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> }</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  </div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span> lwip_netconn_do_newconn(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> {</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  </div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  pcb_new(msg);</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  }</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="comment">/* Else? This "new" connection already has a PCB allocated. */</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="comment">/* Is this an error condition? Should it be deleted? */</span></div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="comment">/* We currently just are happy and return. */</span></div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  </div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> }</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  </div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> <span class="keyword">struct </span>netconn*</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> netconn_alloc(<span class="keyword">enum</span> netconn_type t, netconn_callback callback)</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span> {</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keywordtype">int</span> size;</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  </div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  conn = (<span class="keyword">struct </span>netconn *)<a class="code" href="../../df/dff/memp_8h.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a>(MEMP_NETCONN);</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">if</span> (conn == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  }</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  </div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  conn->last_err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  conn->type = t;</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  conn->pcb.tcp = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  </div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="comment">/* If all sizes are the same, every compiler should optimize this switch to nothing */</span></div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keywordflow">switch</span>(NETCONNTYPE_GROUP(t)) {</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  size = <a class="code" href="../../d2/d78/lwipopts_8h.html#a4ef8f046c957750056131310a1580df7">DEFAULT_RAW_RECVMBOX_SIZE</a>;</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  size = <a class="code" href="../../d2/d78/lwipopts_8h.html#a09fe785559b3f0cf108da4440489e335">DEFAULT_UDP_RECVMBOX_SIZE</a>;</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">case</span> NETCONN_TCP:</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  size = <a class="code" href="../../d2/d78/lwipopts_8h.html#a1bd172938b9c8ba63156fcafc87e83c7">DEFAULT_TCP_RECVMBOX_SIZE</a>;</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"netconn_alloc: undefined netconn_type"</span>, 0);</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  }</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  </div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#ga26c015e64c859c9361a6f75c4e6fa829">sys_mbox_new</a>(&conn->recvmbox, size) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  }</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> <span class="preprocessor">#if !LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">if</span> (<a class="code" href="../../da/d3a/group__sys__sem.html#gadb68acad14b34550b9891bc11bbf4e63">sys_sem_new</a>(&conn->op_completed, 0) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#gad4a51a28337f89d4b4806e6deb99798d">sys_mbox_free</a>(&conn->recvmbox);</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  }</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  </div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#ga64ca1b1ef4c810f4d67595eca4fdfef0">sys_mbox_set_invalid</a>(&conn->acceptmbox);</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  conn->state = NETCONN_NONE;</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span> <span class="preprocessor">#if LWIP_SOCKET</span></div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="comment">/* initialize socket to -1 since 0 is a valid socket */</span></div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  conn->socket = -1;</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SOCKET */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  conn->callback = callback;</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  conn->current_msg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  conn->write_offset = 0;</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  conn->send_timeout = 0;</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="preprocessor">#if LWIP_SO_RCVTIMEO</span></div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  conn->recv_timeout = 0;</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  conn->recv_bufsize = <a class="code" href="../../d2/d78/lwipopts_8h.html#a5dbd0a61f30ae6c6bfbda635095f138d">RECV_BUFSIZE_DEFAULT</a>;</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  conn->recv_avail = 0;</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="preprocessor">#if LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  conn->linger = -1;</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  conn->flags = 0;</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keywordflow">return</span> conn;</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> free_and_return:</div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <a class="code" href="../../df/dff/memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a>(MEMP_NETCONN, conn);</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> }</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  </div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> netconn_free(<span class="keyword">struct</span> netconn *conn)</div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> {</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"PCB must be deallocated outside this function"</span>, conn->pcb.tcp == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"recvmbox must be deallocated before calling this function"</span>,</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  !<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox));</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"acceptmbox must be deallocated before calling this function"</span>,</div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  !<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->acceptmbox));</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  </div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="preprocessor">#if !LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga4d02e29e5dfa092559efc04dee985822">sys_sem_free</a>(&conn->op_completed);</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga6b618ddf0c8e73302f1dae7821661457">sys_sem_set_invalid</a>(&conn->op_completed);</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  </div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <a class="code" href="../../df/dff/memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a>(MEMP_NETCONN, conn);</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> }</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  </div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> netconn_drain(<span class="keyword">struct</span> netconn *conn)</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> {</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="keywordtype">void</span> *<a class="code" href="../../d0/d0f/structmem.html">mem</a>;</div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p;</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  </div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="comment">/* This runs in tcpip_thread, so we don't need to lock against rx packets */</span></div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  </div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="comment">/* Delete and drain the recvmbox. */</span></div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox)) {</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordflow">while</span> (<a class="code" href="../../d9/d87/sys_8h.html#ab7841780b31ba9c0a39a440aad1fca13">sys_mbox_tryfetch</a>(&conn->recvmbox, &<a class="code" href="../../d0/d0f/structmem.html">mem</a>) != <a class="code" href="../../d9/d87/sys_8h.html#ab0571e67edca0132b144106e9b319ef9">SYS_MBOX_EMPTY</a>) {</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP) {</div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d0/d0f/structmem.html">mem</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  p = (<span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a>*)<a class="code" href="../../d0/d0f/structmem.html">mem</a>;</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="comment">/* pcb might be set to NULL already by err_tcp() */</span></div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordflow">if</span> (conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  tcp_recved(conn->pcb.tcp, p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>);</div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  }</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  }</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  {</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  netbuf_delete((<span class="keyword">struct</span> netbuf *)<a class="code" href="../../d0/d0f/structmem.html">mem</a>);</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  }</div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  }</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#gad4a51a28337f89d4b4806e6deb99798d">sys_mbox_free</a>(&conn->recvmbox);</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#ga64ca1b1ef4c810f4d67595eca4fdfef0">sys_mbox_set_invalid</a>(&conn->recvmbox);</div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  }</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  </div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="comment">/* Delete and drain the acceptmbox. */</span></div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->acceptmbox)) {</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordflow">while</span> (<a class="code" href="../../d9/d87/sys_8h.html#ab7841780b31ba9c0a39a440aad1fca13">sys_mbox_tryfetch</a>(&conn->acceptmbox, &<a class="code" href="../../d0/d0f/structmem.html">mem</a>) != <a class="code" href="../../d9/d87/sys_8h.html#ab0571e67edca0132b144106e9b319ef9">SYS_MBOX_EMPTY</a>) {</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d0/d0f/structmem.html">mem</a> != &netconn_aborted) {</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keyword">struct </span>netconn *newconn = (<span class="keyword">struct </span>netconn *)<a class="code" href="../../d0/d0f/structmem.html">mem</a>;</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="comment">/* Only tcp pcbs have an acceptmbox, so no need to check conn->type */</span></div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="comment">/* pcb might be set to NULL already by err_tcp() */</span></div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="comment">/* drain recvmbox */</span></div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  netconn_drain(newconn);</div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keywordflow">if</span> (newconn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  tcp_abort(newconn->pcb.tcp);</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  newconn->pcb.tcp = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  }</div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  netconn_free(newconn);</div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  }</div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  }</div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#gad4a51a28337f89d4b4806e6deb99798d">sys_mbox_free</a>(&conn->acceptmbox);</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#ga64ca1b1ef4c810f4d67595eca4fdfef0">sys_mbox_set_invalid</a>(&conn->acceptmbox);</div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  }</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> }</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  </div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  </div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> lwip_netconn_do_close_internal(<span class="keyword">struct</span> netconn *conn WRITE_DELAYED_PARAM)</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span> {</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> shut, shut_rx, shut_tx, <a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a>;</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> close_finished = 0;</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keyword">struct </span>tcp_pcb* tpcb;</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> <span class="preprocessor">#if LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> linger_wait_required = 0;</div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  </div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"invalid conn"</span>, (conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>));</div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"this is for tcp netconns only"</span>, (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP));</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn must be in state NETCONN_CLOSE"</span>, (conn->state == NETCONN_CLOSE));</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"pcb already closed"</span>, (conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>));</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->current_msg != NULL"</span>, conn->current_msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  </div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  tpcb = conn->pcb.tcp;</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  shut = conn->current_msg->msg.sd.shut;</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  shut_rx = shut & NETCONN_SHUT_RD;</div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  shut_tx = shut & NETCONN_SHUT_WR;</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="comment">/* shutting down both ends is the same as closing</span></div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span> <span class="comment"> (also if RD or WR side was shut down before already) */</span></div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keywordflow">if</span> (shut == NETCONN_SHUT_RDWR) {</div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a> = 1;</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shut_rx &&</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  ((tpcb->state == FIN_WAIT_1) ||</div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  (tpcb->state == FIN_WAIT_2) ||</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  (tpcb->state == CLOSING))) {</div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a> = 1;</div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shut_tx && ((tpcb->flags & TF_RXCLOSED) != 0)) {</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a> = 1;</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a> = 0;</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  }</div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  </div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="comment">/* Set back some callback pointers */</span></div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a>) {</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  tcp_arg(tpcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  }</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">if</span> (tpcb->state == LISTEN) {</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  tcp_accept(tpcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="comment">/* some callbacks have to be reset if tcp_close is not successful */</span></div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="keywordflow">if</span> (shut_rx) {</div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  tcp_recv(tpcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  tcp_accept(tpcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  }</div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">if</span> (shut_tx) {</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  tcp_sent(tpcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  }</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a>) {</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  tcp_poll(tpcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 0);</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  tcp_err(tpcb, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  }</div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  }</div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="comment">/* Try to close the connection */</span></div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a>) {</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> <span class="preprocessor">#if LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="comment">/* check linger possibilites before calling tcp_close */</span></div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="comment">/* linger enabled/required at all? (i.e. is there untransmitted data left?) */</span></div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">if</span> ((conn->linger >= 0) && (conn->pcb.tcp->unsent || conn->pcb.tcp->unacked)) {</div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="keywordflow">if</span> ((conn->linger == 0)) {</div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="comment">/* data left but linger prevents waiting */</span></div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  tcp_abort(tpcb);</div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  tpcb = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (conn->linger > 0) {</div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="comment">/* data left and linger says we should wait */</span></div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="keywordflow">if</span> (netconn_is_nonblocking(conn)) {</div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="comment">/* data left on a nonblocking netconn -> cannot linger */</span></div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad">ERR_WOULDBLOCK</a>;</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a>)(<a class="code" href="../../d3/dc4/group__sys__time.html#ga11316ac1e77418c6fa4ab8869e3fa199">sys_now</a>() - conn->current_msg->msg.sd.time_started) >=</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  (conn->linger * 1000)) {</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="comment">/* data left but linger timeout has expired (this happens on further</span></div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> <span class="comment"> calls to this function through poll_tcp */</span></div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  tcp_abort(tpcb);</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  tpcb = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="comment">/* data left -> need to wait for ACK after successful close */</span></div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  linger_wait_required = 1;</div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  }</div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  }</div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  }</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordflow">if</span> ((err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) && (tpcb != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>))</div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  {</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  err = tcp_close(tpcb);</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  }</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  err = tcp_shutdown(tpcb, shut_rx, shut_tx);</div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  }</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  close_finished = 1;</div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="preprocessor">#if LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  <span class="keywordflow">if</span> (linger_wait_required) {</div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <span class="comment">/* wait for ACK of all unsent/unacked data by just getting called again */</span></div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  close_finished = 0;</div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929">ERR_INPROGRESS</a>;</div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  }</div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>) {</div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  <span class="comment">/* Closing failed because of memory shortage, try again later. Even for</span></div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> <span class="comment"> nonblocking netconns, we have to wait since no standard socket application</span></div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> <span class="comment"> is prepared for close failing because of resource shortage.</span></div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span> <span class="comment"> Check the timeout: this is kind of an lwip addition to the standard sockets:</span></div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> <span class="comment"> we wait for some time when failing to allocate a segment for the FIN */</span></div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO || LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a> close_timeout = <a class="code" href="../../d2/d78/lwipopts_8h.html#a3e7498d5d2921f0df3792de72f384d36">LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT</a>;</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">if</span> (conn->send_timeout > 0) {</div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  close_timeout = conn->send_timeout;</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  }</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="preprocessor">#if LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="keywordflow">if</span> (conn->linger >= 0) {</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="comment">/* use linger timeout (seconds) */</span></div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  close_timeout = conn->linger * 1000U;</div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  }</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="keywordflow">if</span> ((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a>)(<a class="code" href="../../d3/dc4/group__sys__time.html#ga11316ac1e77418c6fa4ab8869e3fa199">sys_now</a>() - conn->current_msg->msg.sd.time_started) >= close_timeout) {</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="keywordflow">if</span> (conn->current_msg->msg.sd.polls_left == 0) {</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  close_finished = 1;</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a>) {</div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="comment">/* in this case, we want to RST the connection */</span></div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  tcp_abort(tpcb);</div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  }</div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  }</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="comment">/* Closing failed for a non-memory error: give up */</span></div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  close_finished = 1;</div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  }</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  }</div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="keywordflow">if</span> (close_finished) {</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="comment">/* Closing done (succeeded, non-memory error, nonblocking error or timeout) */</span></div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>* op_completed_sem = LWIP_API_MSG_SEM(conn->current_msg);</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  conn->current_msg->err = err;</div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  conn->current_msg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  conn->state = NETCONN_NONE;</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a>) {</div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <span class="comment">/* Set back some callback pointers as conn is going away */</span></div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  conn->pcb.tcp = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="comment">/* Trigger select() in socket layer. Make sure everybody notices activity</span></div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> <span class="comment"> on the connection, error first! */</span></div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  API_EVENT(conn, NETCONN_EVT_ERROR, 0);</div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  }</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <span class="keywordflow">if</span> (shut_rx) {</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);</div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  }</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  <span class="keywordflow">if</span> (shut_tx) {</div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  }</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  }</div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  NETCONN_SET_SAFE_ERR(conn, err);</div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keywordflow">if</span> (delayed)</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  {</div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="comment">/* wake up the application task */</span></div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(op_completed_sem);</div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  }</div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  }</div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="keywordflow">if</span> (!close_finished) {</div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="comment">/* Closing failed and we want to wait: restore some of the callbacks */</span></div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="comment">/* Closing of listen pcb will never fail! */</span></div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"Closing a listen pcb may not fail!"</span>, (tpcb->state != LISTEN));</div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  <span class="keywordflow">if</span> (shut_tx) {</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  tcp_sent(tpcb, sent_tcp);</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  }</div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="comment">/* when waiting for close, set up poll interval to 500ms */</span></div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  tcp_poll(tpcb, poll_tcp, 1);</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  tcp_err(tpcb, err_tcp);</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  tcp_arg(tpcb, conn);</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="comment">/* don't restore recv callback: we don't want to receive any more data */</span></div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  }</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="comment">/* If closing didn't succeed, we get called again either</span></div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span> <span class="comment"> from poll_tcp or from sent_tcp */</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"err != ERR_OK"</span>, err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>);</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> }</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  </div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span> lwip_netconn_do_delconn(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> {</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  </div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keyword">enum</span> netconn_state state = msg->conn->state;</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"netconn state error"</span>, <span class="comment">/* this only happens for TCP netconns */</span></div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  (state == NETCONN_NONE) || (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_TCP));</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span> <span class="preprocessor">#if LWIP_NETCONN_FULLDUPLEX</span></div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="comment">/* In full duplex mode, blocking write/connect is aborted with ERR_CLSD */</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <span class="keywordflow">if</span> (state != NETCONN_NONE) {</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  <span class="keywordflow">if</span> ((state == NETCONN_WRITE) ||</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  ((state == NETCONN_CONNECT) && !IN_NONBLOCKING_CONNECT(msg->conn))) {</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  <span class="comment">/* close requested, abort running write/connect */</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>* op_completed_sem;</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"msg->conn->current_msg != NULL"</span>, msg->conn->current_msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  op_completed_sem = LWIP_API_MSG_SEM(msg->conn->current_msg);</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  msg->conn->current_msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>;</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  msg->conn->current_msg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  msg->conn->write_offset = 0;</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  msg->conn->state = NETCONN_NONE;</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  NETCONN_SET_SAFE_ERR(msg->conn, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>);</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(op_completed_sem);</div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  }</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  }</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETCONN_FULLDUPLEX */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <span class="keywordflow">if</span> (((state != NETCONN_NONE) &&</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  (state != NETCONN_LISTEN) &&</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  (state != NETCONN_CONNECT)) ||</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  ((state == NETCONN_CONNECT) && !IN_NONBLOCKING_CONNECT(msg->conn))) {</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <span class="comment">/* This means either a blocking write or blocking connect is running</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <span class="comment"> (nonblocking write returns and sets state to NONE) */</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929">ERR_INPROGRESS</a>;</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_FULLDUPLEX */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  {</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"blocking connect in progress"</span>,</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  (state != NETCONN_CONNECT) || IN_NONBLOCKING_CONNECT(msg->conn));</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  <span class="comment">/* Drain and delete mboxes */</span></div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  netconn_drain(msg->conn);</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  </div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  </div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  <span class="keywordflow">switch</span> (NETCONNTYPE_GROUP(msg->conn->type)) {</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  raw_remove(msg->conn->pcb.raw);</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  msg->conn->pcb.udp->recv_arg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  udp_remove(msg->conn->pcb.udp);</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="keywordflow">case</span> NETCONN_TCP:</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"already writing or closing"</span>, msg->conn->current_msg == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> &&</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  msg->conn->write_offset == 0);</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  msg->conn->state = NETCONN_CLOSE;</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  msg->msg.sd.shut = NETCONN_SHUT_RDWR;</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  msg->conn->current_msg = msg;</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <span class="keywordflow">if</span> (lwip_netconn_do_close_internal(msg->conn, 0) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state == NETCONN_CLOSE);</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>(LWIP_API_MSG_SEM(msg), 0);</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state == NETCONN_NONE);</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  }</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  lwip_netconn_do_close_internal(msg->conn);</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  <span class="comment">/* API_EVENT is called inside lwip_netconn_do_close_internal, before releasing</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span> <span class="comment"> the application thread, so we can return at this point! */</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  }</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  msg->conn->pcb.tcp = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  }</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  <span class="comment">/* tcp netconns don't come here! */</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  </div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="comment">/* @todo: this lets select make the socket readable and writable,</span></div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> <span class="comment"> which is wrong! errfd instead? */</span></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  API_EVENT(msg->conn, NETCONN_EVT_RCVPLUS, 0);</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  API_EVENT(msg->conn, NETCONN_EVT_SENDPLUS, 0);</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  }</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  <span class="keywordflow">if</span> (<a class="code" href="../../da/d3a/group__sys__sem.html#gac7ff314270976b80559d043f6098817b">sys_sem_valid</a>(LWIP_API_MSG_SEM(msg))) {</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  }</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span> }</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  </div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span> lwip_netconn_do_bind(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span> {</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  </div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/de7/group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(msg->conn->last_err)) {</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  msg->err = msg->conn->last_err;</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <span class="keywordflow">switch</span> (NETCONNTYPE_GROUP(msg->conn->type)) {</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  msg->err = raw_bind(msg->conn->pcb.raw, <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.bc.ipaddr));</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  msg->err = udp_bind(msg->conn->pcb.udp, <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.bc.ipaddr), msg->msg.bc.port);</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  <span class="keywordflow">case</span> NETCONN_TCP:</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  msg->err = tcp_bind(msg->conn->pcb.tcp, <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.bc.ipaddr), msg->msg.bc.port);</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  }</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  }</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  }</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span> }</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  </div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  </div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span> lwip_netconn_do_connected(<span class="keywordtype">void</span> *arg, <span class="keyword">struct</span> tcp_pcb *pcb, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err)</div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span> {</div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  <span class="keywordtype">int</span> was_blocking;</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  <a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>* op_completed_sem = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  </div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(pcb);</div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  </div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  conn = (<span class="keyword">struct </span>netconn *)arg;</div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  </div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <span class="keywordflow">if</span> (conn == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  }</div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  </div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->state == NETCONN_CONNECT"</span>, conn->state == NETCONN_CONNECT);</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"(conn->current_msg != NULL) || conn->in_non_blocking_connect"</span>,</div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  (conn->current_msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) || IN_NONBLOCKING_CONNECT(conn));</div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  </div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  <span class="keywordflow">if</span> (conn->current_msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  conn->current_msg->err = err;</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  op_completed_sem = LWIP_API_MSG_SEM(conn->current_msg);</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  }</div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  <span class="keywordflow">if</span> ((NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP) && (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>)) {</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  setup_tcp(conn);</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  }</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  was_blocking = !IN_NONBLOCKING_CONNECT(conn);</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  SET_NONBLOCKING_CONNECT(conn, 0);</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"blocking connect state error"</span>,</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  (was_blocking && op_completed_sem != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) ||</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  (!was_blocking && op_completed_sem == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>));</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  conn->current_msg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  conn->state = NETCONN_NONE;</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  NETCONN_SET_SAFE_ERR(conn, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>);</div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  </div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="keywordflow">if</span> (was_blocking) {</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(op_completed_sem);</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  }</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span> }</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  </div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span> lwip_netconn_do_connect(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span> {</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  </div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  <span class="comment">/* This may happen when calling netconn_connect() a second time */</span></div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>;</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  <span class="keywordflow">switch</span> (NETCONNTYPE_GROUP(msg->conn->type)) {</div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  msg->err = raw_connect(msg->conn->pcb.raw, <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.bc.ipaddr));</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  msg->err = udp_connect(msg->conn->pcb.udp, <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.bc.ipaddr), msg->msg.bc.port);</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  <span class="keywordflow">case</span> NETCONN_TCP:</div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  <span class="comment">/* Prevent connect while doing any other action. */</span></div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  <span class="keywordflow">if</span> (msg->conn->state == NETCONN_CONNECT) {</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcae6f9c1e4c18ca844f7934307d4cc30e5">ERR_ALREADY</a>;</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (msg->conn->state != NETCONN_NONE) {</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca8543e1d6422fed7b318d97e08dcbaa33">ERR_ISCONN</a>;</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  setup_tcp(msg->conn);</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  msg->err = tcp_connect(msg->conn->pcb.tcp, <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.bc.ipaddr),</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  msg->msg.bc.port, lwip_netconn_do_connected);</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <span class="keywordflow">if</span> (msg->err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> non_blocking = netconn_is_nonblocking(msg->conn);</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  msg->conn->state = NETCONN_CONNECT;</div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  SET_NONBLOCKING_CONNECT(msg->conn, non_blocking);</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  <span class="keywordflow">if</span> (non_blocking) {</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929">ERR_INPROGRESS</a>;</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  msg->conn->current_msg = msg;</div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  <span class="comment">/* sys_sem_signal() is called from lwip_netconn_do_connected (or err_tcp()),</span></div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span> <span class="comment"> when the connection is established! */</span></div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state == NETCONN_CONNECT);</div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>(LWIP_API_MSG_SEM(msg), 0);</div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state != NETCONN_CONNECT);</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  }</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  }</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  }</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"Invalid netconn type"</span>, 0, <span class="keywordflow">do</span>{ msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>; }<span class="keywordflow">while</span>(0));</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  }</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  }</div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <span class="comment">/* For all other protocols, netconn_connect() calls TCPIP_APIMSG(),</span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span> <span class="comment"> so use TCPIP_APIMSG_ACK() here. */</span></div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span> }</div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  </div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span> lwip_netconn_do_disconnect(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span> {</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  </div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_UDP) {</div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  udp_disconnect(msg->conn->pcb.udp);</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  {</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  }</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span> }</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  </div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  </div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span> lwip_netconn_do_listen(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span> {</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  </div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/de7/group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(msg->conn->last_err)) {</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  msg->err = msg->conn->last_err;</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_TCP) {</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  <span class="keywordflow">if</span> (msg->conn->state == NETCONN_NONE) {</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  <span class="keyword">struct </span>tcp_pcb* lpcb;</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp->state != CLOSED) {</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  <span class="comment">/* connection is not closed, cannot listen */</span></div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> backlog;</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  backlog = msg->msg.lb.backlog;</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span> <span class="preprocessor">#else </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  backlog = <a class="code" href="../../d2/d78/lwipopts_8h.html#a93cce3f47e33df11248c908d1775bacf">TCP_DEFAULT_LISTEN_BACKLOG</a>;</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  <span class="comment">/* "Socket API like" dual-stack support: If IP to listen to is IP6_ADDR_ANY,</span></div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span> <span class="comment"> * and NETCONN_FLAG_IPV6_V6ONLY is NOT set, use IP_ANY_TYPE to listen</span></div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#a008c9c92d770cc030ea054e6b259835a">ip_addr_cmp</a>(&msg->conn->pcb.ip->local_ip, IP6_ADDR_ANY) &&</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  (netconn_get_ipv6only(msg->conn) == 0)) {</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <span class="comment">/* change PCB type to IPADDR_TYPE_ANY */</span></div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a>(msg->conn->pcb.tcp->local_ip, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e">IPADDR_TYPE_ANY</a>);</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a>(msg->conn->pcb.tcp->remote_ip, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e">IPADDR_TYPE_ANY</a>);</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  }</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  </div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  lpcb = tcp_listen_with_backlog_and_err(msg->conn->pcb.tcp, backlog, &err);</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  </div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  <span class="keywordflow">if</span> (lpcb == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <span class="comment">/* in this case, the old pcb is still allocated */</span></div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  msg->err = err;</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="comment">/* delete the recvmbox and allocate the acceptmbox */</span></div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&msg->conn->recvmbox)) {</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#gad4a51a28337f89d4b4806e6deb99798d">sys_mbox_free</a>(&msg->conn->recvmbox);</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <a class="code" href="../../d8/dc0/group__sys__mbox.html#ga64ca1b1ef4c810f4d67595eca4fdfef0">sys_mbox_set_invalid</a>(&msg->conn->recvmbox);</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  }</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&msg->conn->acceptmbox)) {</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  msg->err = <a class="code" href="../../d8/dc0/group__sys__mbox.html#ga26c015e64c859c9361a6f75c4e6fa829">sys_mbox_new</a>(&msg->conn->acceptmbox, <a class="code" href="../../d2/d78/lwipopts_8h.html#a5d5a6e04abe2ec233c7acdb09f992461">DEFAULT_ACCEPTMBOX_SIZE</a>);</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  }</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  <span class="keywordflow">if</span> (msg->err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  msg->conn->state = NETCONN_LISTEN;</div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  msg->conn->pcb.tcp = lpcb;</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  tcp_arg(msg->conn->pcb.tcp, msg->conn);</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  tcp_accept(msg->conn->pcb.tcp, accept_function);</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  <span class="comment">/* since the old pcb is already deallocated, free lpcb now */</span></div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  tcp_close(lpcb);</div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  msg->conn->pcb.tcp = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  }</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  }</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  }</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (msg->conn->state == NETCONN_LISTEN) {</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  <span class="comment">/* already listening, allow updating of the backlog */</span></div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  tcp_backlog_set(msg->conn->pcb.tcp, msg->msg.lb.backlog);</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  }</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  }</div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  }</div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  }</div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span> }</div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  </div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span> lwip_netconn_do_send(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span> {</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  </div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/de7/group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(msg->conn->last_err)) {</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  msg->err = msg->conn->last_err;</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  <span class="keywordflow">switch</span> (NETCONNTYPE_GROUP(msg->conn->type)) {</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#a279118890e6a90aa740051fb8b0cc5f4">ip_addr_isany</a>(&msg->msg.b->addr) || <a class="code" href="../../de/df7/ip__addr_8h.html#a83b17dbf7d1faf5c8f8c20b039db8bb8">IP_IS_ANY_TYPE_VAL</a>(msg->msg.b->addr)) {</div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  msg->err = raw_send(msg->conn->pcb.raw, msg->msg.b->p);</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  msg->err = raw_sendto(msg->conn->pcb.raw, msg->msg.b->p, &msg->msg.b->addr);</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  }</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span> <span class="preprocessor">#if LWIP_CHECKSUM_ON_COPY</span></div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#a279118890e6a90aa740051fb8b0cc5f4">ip_addr_isany</a>(&msg->msg.b->addr) || <a class="code" href="../../de/df7/ip__addr_8h.html#a83b17dbf7d1faf5c8f8c20b039db8bb8">IP_IS_ANY_TYPE_VAL</a>(msg->msg.b->addr)) {</div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  msg->err = udp_send_chksum(msg->conn->pcb.udp, msg->msg.b->p,</div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  msg->msg.b->flags & NETBUF_FLAG_CHKSUM, msg->msg.b->toport_chksum);</div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  msg->err = udp_sendto_chksum(msg->conn->pcb.udp, msg->msg.b->p,</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  &msg->msg.b->addr, msg->msg.b->port,</div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  msg->msg.b->flags & NETBUF_FLAG_CHKSUM, msg->msg.b->toport_chksum);</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  }</div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_CHECKSUM_ON_COPY */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#acd8f5aa151cff966fd28368b85f38c05">ip_addr_isany_val</a>(msg->msg.b->addr) || <a class="code" href="../../de/df7/ip__addr_8h.html#a83b17dbf7d1faf5c8f8c20b039db8bb8">IP_IS_ANY_TYPE_VAL</a>(msg->msg.b->addr)) {</div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  msg->err = udp_send(msg->conn->pcb.udp, msg->msg.b->p);</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  msg->err = udp_sendto(msg->conn->pcb.udp, msg->msg.b->p, &msg->msg.b->addr, msg->msg.b->port);</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  }</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_CHECKSUM_ON_COPY */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  }</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  }</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  }</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span> }</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  </div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  </div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span> lwip_netconn_do_recv(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span> {</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  </div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_TCP) {</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> remaining = msg->msg.r.len;</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> recved = (remaining > 0xffff) ? 0xffff : (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)remaining;</div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  tcp_recved(msg->conn->pcb.tcp, recved);</div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  remaining -= recved;</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  } <span class="keywordflow">while</span> (remaining != 0);</div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  }</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  }</div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span> }</div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  </div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  </div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span> lwip_netconn_do_accepted(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span> {</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  </div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_TCP) {</div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  tcp_backlog_accepted(msg->conn->pcb.tcp);</div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>  }</div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  }</div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span> }</div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  </div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span> lwip_netconn_do_writemore(<span class="keyword">struct</span> netconn *conn WRITE_DELAYED_PARAM)</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span> {</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  <span class="keyword">const</span> <span class="keywordtype">void</span> *dataptr;</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len, available;</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> write_finished = 0;</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  <span class="keywordtype">size_t</span> diff;</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> dontblock;</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> apiflags;</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  </div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn != NULL"</span>, conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->state == NETCONN_WRITE"</span>, (conn->state == NETCONN_WRITE));</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->current_msg != NULL"</span>, conn->current_msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->pcb.tcp != NULL"</span>, conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->write_offset < conn->current_msg->msg.w.len"</span>,</div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>  conn->write_offset < conn->current_msg->msg.w.len);</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>  </div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>  apiflags = conn->current_msg->msg.w.apiflags;</div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  dontblock = netconn_is_nonblocking(conn) || (apiflags & NETCONN_DONTBLOCK);</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  </div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <span class="keywordflow">if</span> ((conn->send_timeout != 0) &&</div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>  ((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a>)(<a class="code" href="../../d3/dc4/group__sys__time.html#ga11316ac1e77418c6fa4ab8869e3fa199">sys_now</a>() - conn->current_msg->msg.w.time_started) >= conn->send_timeout)) {</div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  write_finished = 1;</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  <span class="keywordflow">if</span> (conn->write_offset == 0) {</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>  <span class="comment">/* nothing has been written */</span></div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad">ERR_WOULDBLOCK</a>;</div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>  conn->current_msg->msg.w.len = 0;</div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>  <span class="comment">/* partial write */</span></div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  conn->current_msg->msg.w.len = conn->write_offset;</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  conn->write_offset = 0;</div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  }</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  {</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  dataptr = (<span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)conn->current_msg->msg.w.dataptr + conn->write_offset;</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>  diff = conn->current_msg->msg.w.len - conn->write_offset;</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  if (diff > 0xffffUL) { <span class="comment">/* max_u16_t */</span></div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  len = 0xffff;</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>  apiflags |= TCP_WRITE_FLAG_MORE;</div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  len = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)diff;</div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>  }</div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  available = tcp_sndbuf(conn->pcb.tcp);</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  <span class="keywordflow">if</span> (available < len) {</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  <span class="comment">/* don't try to write more than sendbuf */</span></div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  len = available;</div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  <span class="keywordflow">if</span> (dontblock) {</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  <span class="keywordflow">if</span> (!len) {</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad">ERR_WOULDBLOCK</a>;</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  <span class="keywordflow">goto</span> err_mem;</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  }</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  apiflags |= TCP_WRITE_FLAG_MORE;</div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  }</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>  }</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"lwip_netconn_do_writemore: invalid length!"</span>, ((conn->write_offset + len) <= conn->current_msg->msg.w.len));</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>  err = tcp_write(conn->pcb.tcp, dataptr, len, apiflags);</div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  <span class="comment">/* if OK or memory error, check available space */</span></div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  <span class="keywordflow">if</span> ((err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) || (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>)) {</div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span> err_mem:</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  <span class="keywordflow">if</span> (dontblock && (len < conn->current_msg->msg.w.len)) {</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  <span class="comment">/* non-blocking write did not write everything: mark the pcb non-writable</span></div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span> <span class="comment"> and let poll_tcp check writable space to mark the pcb writable again */</span></div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  API_EVENT(conn, NETCONN_EVT_SENDMINUS, len);</div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  conn->flags |= NETCONN_FLAG_CHECK_WRITESPACE;</div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((tcp_sndbuf(conn->pcb.tcp) <= <a class="code" href="../../d2/d78/lwipopts_8h.html#ae5c9866d7cd463ac7b36792182145aec">TCP_SNDLOWAT</a>) ||</div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  (tcp_sndqueuelen(conn->pcb.tcp) >= <a class="code" href="../../d2/d78/lwipopts_8h.html#a75659867592a6b01c198532ed1b65698">TCP_SNDQUEUELOWAT</a>)) {</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  <span class="comment">/* The queued byte- or pbuf-count exceeds the configured low-water limit,</span></div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span> <span class="comment"> let select mark this pcb as non-writable. */</span></div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  API_EVENT(conn, NETCONN_EVT_SENDMINUS, len);</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  }</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  }</div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  </div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> out_err;</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  conn->write_offset += len;</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  <span class="keywordflow">if</span> ((conn->write_offset == conn->current_msg->msg.w.len) || dontblock) {</div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  <span class="comment">/* return sent length */</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  conn->current_msg->msg.w.len = conn->write_offset;</div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  <span class="comment">/* everything was written */</span></div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  write_finished = 1;</div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  }</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  out_err = tcp_output(conn->pcb.tcp);</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/de7/group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(out_err) || (out_err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a">ERR_RTE</a>)) {</div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  <span class="comment">/* If tcp_output fails with fatal error or no route is found,</span></div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span> <span class="comment"> don't try writing any more but return the error</span></div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span> <span class="comment"> to the application thread. */</span></div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  err = out_err;</div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  write_finished = 1;</div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  conn->current_msg->msg.w.len = 0;</div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  }</div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>) {</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  <span class="comment">/* If ERR_MEM, we wait for sent_tcp or poll_tcp to be called.</span></div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span> <span class="comment"> For blocking sockets, we do NOT return to the application</span></div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span> <span class="comment"> thread, since ERR_MEM is only a temporary error! Non-blocking</span></div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span> <span class="comment"> will remain non-writable until sent_tcp/poll_tcp is called */</span></div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  </div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  <span class="comment">/* tcp_write returned ERR_MEM, try tcp_output anyway */</span></div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> out_err = tcp_output(conn->pcb.tcp);</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/de7/group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(out_err) || (out_err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a">ERR_RTE</a>)) {</div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  <span class="comment">/* If tcp_output fails with fatal error or no route is found,</span></div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span> <span class="comment"> don't try writing any more but return the error</span></div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span> <span class="comment"> to the application thread. */</span></div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  err = out_err;</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  write_finished = 1;</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  conn->current_msg->msg.w.len = 0;</div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (dontblock) {</div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  <span class="comment">/* non-blocking write is done on ERR_MEM */</span></div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad">ERR_WOULDBLOCK</a>;</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  write_finished = 1;</div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  conn->current_msg->msg.w.len = 0;</div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  }</div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  <span class="comment">/* On errors != ERR_MEM, we don't try writing any more but return</span></div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span> <span class="comment"> the error to the application thread. */</span></div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  write_finished = 1;</div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  conn->current_msg->msg.w.len = 0;</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  }</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  }</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  <span class="keywordflow">if</span> (write_finished) {</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  <span class="comment">/* everything was written: set back connection state</span></div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span> <span class="comment"> and back to application task */</span></div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  <a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>* op_completed_sem = LWIP_API_MSG_SEM(conn->current_msg);</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  conn->current_msg->err = err;</div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  conn->current_msg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  conn->write_offset = 0;</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  conn->state = NETCONN_NONE;</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  NETCONN_SET_SAFE_ERR(conn, err);</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  <span class="keywordflow">if</span> (delayed)</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  {</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(op_completed_sem);</div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  }</div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  }</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  }</div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span> }</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  </div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span> lwip_netconn_do_write(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span> {</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>  </div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/de7/group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(msg->conn->last_err)) {</div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>  msg->err = msg->conn->last_err;</div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_TCP) {</div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  <span class="keywordflow">if</span> (msg->conn->state != NETCONN_NONE) {</div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  <span class="comment">/* netconn is connecting, closing or in blocking write */</span></div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929">ERR_INPROGRESS</a>;</div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  msg->conn->state = NETCONN_WRITE;</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  <span class="comment">/* set all the variables used by lwip_netconn_do_writemore */</span></div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"already writing or closing"</span>, msg->conn->current_msg == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> &&</div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  msg->conn->write_offset == 0);</div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"msg->msg.w.len != 0"</span>, msg->msg.w.len != 0);</div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>  msg->conn->current_msg = msg;</div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>  msg->conn->write_offset = 0;</div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  <span class="keywordflow">if</span> (lwip_netconn_do_writemore(msg->conn, 0) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state == NETCONN_WRITE);</div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>(LWIP_API_MSG_SEM(msg), 0);</div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state != NETCONN_WRITE);</div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>  }</div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  lwip_netconn_do_writemore(msg->conn);</div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  <span class="comment">/* for both cases: if lwip_netconn_do_writemore was called, don't ACK the APIMSG</span></div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span> <span class="comment"> since lwip_netconn_do_writemore ACKs it! */</span></div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>  }</div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  }</div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  }</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span> }</div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  </div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span> lwip_netconn_do_getaddr(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span> {</div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  </div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  <span class="keywordflow">if</span> (msg->conn->pcb.ip != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  <span class="keywordflow">if</span> (msg->msg.ad.local) {</div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a77a933975db287f6aa5c2e70249ba18f">ip_addr_copy</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->msg.ad.ipaddr),</div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  msg->conn->pcb.ip->local_ip);</div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a77a933975db287f6aa5c2e70249ba18f">ip_addr_copy</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->msg.ad.ipaddr),</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  msg->conn->pcb.ip->remote_ip);</div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  }</div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  </div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  <span class="keywordflow">switch</span> (NETCONNTYPE_GROUP(msg->conn->type)) {</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>  <span class="keywordflow">if</span> (msg->msg.ad.local) {</div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->msg.ad.port) = msg->conn->pcb.raw->protocol;</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>  <span class="comment">/* return an error as connecting is only a helper for upper layers */</span></div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  }</div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  <span class="keywordflow">if</span> (msg->msg.ad.local) {</div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->msg.ad.port) = msg->conn->pcb.udp->local_port;</div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  <span class="keywordflow">if</span> ((msg->conn->pcb.udp->flags & UDP_FLAGS_CONNECTED) == 0) {</div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->msg.ad.port) = msg->conn->pcb.udp->remote_port;</div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  }</div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  }</div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  <span class="keywordflow">case</span> NETCONN_TCP:</div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  <span class="keywordflow">if</span> ((msg->msg.ad.local == 0) &&</div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  ((msg->conn->pcb.tcp->state == CLOSED) || (msg->conn->pcb.tcp->state == LISTEN))) {</div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  <span class="comment">/* pcb is not connected and remote name is requested */</span></div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->msg.ad.port) = (msg->msg.ad.local ? msg->conn->pcb.tcp->local_port : msg->conn->pcb.tcp->remote_port);</div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  }</div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"invalid netconn_type"</span>, 0);</div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  }</div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  }</div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span> }</div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>  </div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span> lwip_netconn_do_close(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span> {</div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>  </div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  <span class="keyword">enum</span> netconn_state state = msg->conn->state;</div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>  <span class="comment">/* First check if this is a TCP netconn and if it is in a correct state</span></div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span> <span class="comment"> (LISTEN doesn't support half shutdown) */</span></div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>  <span class="keywordflow">if</span> ((msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) &&</div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_TCP) &&</div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  ((msg->msg.sd.shut == NETCONN_SHUT_RDWR) || (state != NETCONN_LISTEN))) {</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  <span class="comment">/* Check if we are in a connected state */</span></div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  <span class="keywordflow">if</span> (state == NETCONN_CONNECT) {</div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  <span class="comment">/* TCP connect in progress: cannot shutdown */</span></div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (state == NETCONN_WRITE) {</div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span> <span class="preprocessor">#if LWIP_NETCONN_FULLDUPLEX</span></div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  <span class="keywordflow">if</span> (msg->msg.sd.shut & NETCONN_SHUT_WR) {</div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  <span class="comment">/* close requested, abort running write */</span></div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>  <a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>* write_completed_sem;</div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"msg->conn->current_msg != NULL"</span>, msg->conn->current_msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  write_completed_sem = LWIP_API_MSG_SEM(msg->conn->current_msg);</div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  msg->conn->current_msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>;</div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  msg->conn->current_msg = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  msg->conn->write_offset = 0;</div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>  msg->conn->state = NETCONN_NONE;</div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  state = NETCONN_NONE;</div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  NETCONN_SET_SAFE_ERR(msg->conn, <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>);</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(write_completed_sem);</div>
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"msg->msg.sd.shut == NETCONN_SHUT_RD"</span>, msg->msg.sd.shut == NETCONN_SHUT_RD);</div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  <span class="comment">/* In this case, let the write continue and do not interfere with</span></div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span> <span class="comment"> conn->current_msg or conn->state! */</span></div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  msg->err = tcp_shutdown(msg->conn->pcb.tcp, 1, 0);</div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  }</div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  }</div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  <span class="keywordflow">if</span> (state == NETCONN_NONE) {</div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETCONN_FULLDUPLEX */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929">ERR_INPROGRESS</a>;</div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_FULLDUPLEX */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  <span class="keywordflow">if</span> (msg->msg.sd.shut & NETCONN_SHUT_RD) {</div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="comment">/* Drain and delete mboxes */</span></div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  netconn_drain(msg->conn);</div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  }</div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"already writing or closing"</span>, msg->conn->current_msg == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> &&</div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  msg->conn->write_offset == 0);</div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  msg->conn->state = NETCONN_CLOSE;</div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  msg->conn->current_msg = msg;</div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  <span class="keywordflow">if</span> (lwip_netconn_do_close_internal(msg->conn, 0) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state == NETCONN_CLOSE);</div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>(LWIP_API_MSG_SEM(msg), 0);</div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"state!"</span>, msg->conn->state == NETCONN_NONE);</div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>  }</div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  lwip_netconn_do_close_internal(msg->conn);</div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  <span class="comment">/* for tcp netconns, lwip_netconn_do_close_internal ACKs the message */</span></div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  }</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  {</div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  }</div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span> }</div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  </div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span> <span class="preprocessor">#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)</span></div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  </div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span> lwip_netconn_do_join_leave_group(<span class="keywordtype">void</span> *m)</div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span> {</div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>  <span class="keyword">struct </span>api_msg *msg = (<span class="keyword">struct </span>api_msg*)m;</div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>  </div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/de7/group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(msg->conn->last_err)) {</div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>  msg->err = msg->conn->last_err;</div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  <span class="keywordflow">if</span> (msg->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_UDP) {</div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span> <span class="preprocessor">#if LWIP_IPV6 && LWIP_IPV6_MLD</span></div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  <span class="keywordflow">if</span> (NETCONNTYPE_ISIPV6(msg->conn->type)) {</div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  <span class="keywordflow">if</span> (msg->msg.jl.join_or_leave == NETCONN_JOIN) {</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  msg->err = mld6_joingroup(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.netif_addr)),</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.multiaddr)));</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  msg->err = mld6_leavegroup(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.netif_addr)),</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.multiaddr)));</div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  }</div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>  }</div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 && LWIP_IPV6_MLD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  {</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span> <span class="preprocessor">#if LWIP_IGMP</span></div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  <span class="keywordflow">if</span> (msg->msg.jl.join_or_leave == NETCONN_JOIN) {</div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>  msg->err = igmp_joingroup(ip_2_ip4(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.netif_addr)),</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>  ip_2_ip4(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.multiaddr)));</div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>  msg->err = igmp_leavegroup(ip_2_ip4(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.netif_addr)),</div>
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>  ip_2_ip4(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.jl.multiaddr)));</div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>  }</div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>  }</div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span> <span class="preprocessor">#if (LWIP_TCP || LWIP_RAW)</span></div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_TCP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  }</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  msg->err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;</div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  }</div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>  }</div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  TCPIP_APIMSG_ACK(msg);</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span> }</div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  </div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span> <span class="preprocessor">#if LWIP_DNS</span></div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>  </div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span> lwip_netconn_do_dns_found(<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <span class="keyword">const</span> <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *ipaddr, <span class="keywordtype">void</span> *arg)</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span> {</div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  <span class="keyword">struct </span>dns_api_msg *msg = (<span class="keyword">struct </span>dns_api_msg*)arg;</div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  </div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>  <span class="comment">/* we trust the internal implementation to be correct :-) */</span></div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>);</div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>  </div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  <span class="keywordflow">if</span> (ipaddr == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>  <span class="comment">/* timeout or memory error */</span></div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->err) = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>  <span class="comment">/* address was resolved */</span></div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->err) = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->addr) = *ipaddr;</div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  }</div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>  <span class="comment">/* wake up the application task waiting in netconn_gethostbyname */</span></div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a91e803b3c3f0ab89b20d7a85e3e92624">API_EXPR_REF_SEM</a>(msg->sem));</div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span> }</div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  </div>
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span> lwip_netconn_do_gethostbyname(<span class="keywordtype">void</span> *arg)</div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span> {</div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>  <span class="keyword">struct </span>dns_api_msg *msg = (<span class="keyword">struct </span>dns_api_msg*)arg;</div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> addrtype =</div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>  msg->dns_addrtype;</div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  LWIP_DNS_ADDRTYPE_DEFAULT;</div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>  </div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->err) = dns_gethostbyname_addrtype(msg->name,</div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>  <a class="code" href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->addr), lwip_netconn_do_dns_found, msg, addrtype);</div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a4b2322aa0c1906f84f16acf359f06a92">API_EXPR_DEREF</a>(msg->err) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929">ERR_INPROGRESS</a>) {</div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>  <span class="comment">/* on error or immediate success, wake up the application</span></div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span> <span class="comment"> * task waiting in netconn_gethostbyname */</span></div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(<a class="code" href="../../d6/d89/tcpip__priv_8h.html#a91e803b3c3f0ab89b20d7a85e3e92624">API_EXPR_REF_SEM</a>(msg->sem));</div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>  }</div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span> }</div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_DNS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>  </div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN */</span><span class="preprocessor"></span></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="atcpip__priv_8h_html"><div class="ttname"><a href="../../d6/d89/tcpip__priv_8h.html">tcpip_priv.h</a></div></div>
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<div class="ttc" id="aip__addr_8h_html_a008c9c92d770cc030ea054e6b259835a"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a008c9c92d770cc030ea054e6b259835a">ip_addr_cmp</a></div><div class="ttdeci">#define ip_addr_cmp(addr1, addr2)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00316">ip_addr.h:316</a></div></div>
<div class="ttc" id="astructudp__hdr_html"><div class="ttname"><a href="../../da/d31/structudp__hdr.html">udp_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d09/prot_2udp_8h_source.html#l00053">udp.h:53</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_ga6b618ddf0c8e73302f1dae7821661457"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#ga6b618ddf0c8e73302f1dae7821661457">sys_sem_set_invalid</a></div><div class="ttdeci">void sys_sem_set_invalid(struct sys_sem **s)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00139">sys_arch.c:139</a></div></div>
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<div class="ttc" id="agroup__sys__mbox_html_gad4a51a28337f89d4b4806e6deb99798d"><div class="ttname"><a href="../../d8/dc0/group__sys__mbox.html#gad4a51a28337f89d4b4806e6deb99798d">sys_mbox_free</a></div><div class="ttdeci">void sys_mbox_free(struct sys_mbox **mb)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00193">sys_arch.c:193</a></div></div>
<div class="ttc" id="adebug_8h_html_a94ad086267808462beae2b38f91996ed"><div class="ttname"><a href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a></div><div class="ttdeci">#define LWIP_ASSERT(message, assertion)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00116">debug.h:116</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_gadb68acad14b34550b9891bc11bbf4e63"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#gadb68acad14b34550b9891bc11bbf4e63">sys_sem_new</a></div><div class="ttdeci">err_t sys_sem_new(sys_sem_t **sem, u8_t count)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00052">sys_arch.c:52</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ggaee1baa59bb2f85ba575b5a8619ac1ebfa21116654fbab6d5a4dfeb87a1bb8f0ba"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#ggaee1baa59bb2f85ba575b5a8619ac1ebfa21116654fbab6d5a4dfeb87a1bb8f0ba">PBUF_RAW</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00094">pbuf.h:94</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_ga4d02e29e5dfa092559efc04dee985822"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#ga4d02e29e5dfa092559efc04dee985822">sys_sem_free</a></div><div class="ttdeci">void sys_sem_free(sys_sem_t **sem)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00075">sys_arch.c:75</a></div></div>
<div class="ttc" id="aip_8h_html_a9135977868017c3deeec86b525e13997"><div class="ttname"><a href="../../da/d2f/ip_8h.html#a9135977868017c3deeec86b525e13997">ip_current_dest_addr</a></div><div class="ttdeci">#define ip_current_dest_addr()</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00212">ip.h:212</a></div></div>
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<div class="ttc" id="astructmem_html"><div class="ttname"><a href="../../d0/d0f/structmem.html">mem</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d8f/mem_8c_source.html#l00264">mem.c:264</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga77570ac4fcab86864fa1916e55676da2"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a></div><div class="ttdeci">uint16_t u16_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00124">arch.h:124</a></div></div>
<div class="ttc" id="astring_8h_html"><div class="ttname"><a href="../../da/d66/string_8h.html">string.h</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a1bd172938b9c8ba63156fcafc87e83c7"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a1bd172938b9c8ba63156fcafc87e83c7">DEFAULT_TCP_RECVMBOX_SIZE</a></div><div class="ttdeci">#define DEFAULT_TCP_RECVMBOX_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00267">lwipopts.h:267</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_gac7ff314270976b80559d043f6098817b"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#gac7ff314270976b80559d043f6098817b">sys_sem_valid</a></div><div class="ttdeci">int sys_sem_valid(struct sys_sem **s)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00131">sys_arch.c:131</a></div></div>
<div class="ttc" id="alwipopts_8h_html_ae5c9866d7cd463ac7b36792182145aec"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#ae5c9866d7cd463ac7b36792182145aec">TCP_SNDLOWAT</a></div><div class="ttdeci">#define TCP_SNDLOWAT</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00188">lwipopts.h:188</a></div></div>
<div class="ttc" id="aigmp_8h_html"><div class="ttname"><a href="../../d9/d9c/igmp_8h.html">igmp.h</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_ga28aa725e8a36dd0cfde89875af4f3ec9"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a></div><div class="ttdeci">uint32_t sys_arch_sem_wait(struct sys_sem **s, uint32_t timeout)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00104">sys_arch.c:104</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a40db7feae2b92f7a7a01d65a85b06e18"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a40db7feae2b92f7a7a01d65a85b06e18">ip_addr_set</a></div><div class="ttdeci">#define ip_addr_set(dest, src)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00307">ip_addr.h:307</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a83b17dbf7d1faf5c8f8c20b039db8bb8"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a83b17dbf7d1faf5c8f8c20b039db8bb8">IP_IS_ANY_TYPE_VAL</a></div><div class="ttdeci">#define IP_IS_ANY_TYPE_VAL(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00297">ip_addr.h:297</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a279118890e6a90aa740051fb8b0cc5f4"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a279118890e6a90aa740051fb8b0cc5f4">ip_addr_isany</a></div><div class="ttdeci">#define ip_addr_isany(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00317">ip_addr.h:317</a></div></div>
<div class="ttc" id="astructpbuf_html_a5259e7ec29bab9c0999b64f2e86b411f"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">pbuf::tot_len</a></div><div class="ttdeci">u16_t tot_len</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00156">pbuf.h:156</a></div></div>
<div class="ttc" id="asys_8h_html_ab7841780b31ba9c0a39a440aad1fca13"><div class="ttname"><a href="../../d9/d87/sys_8h.html#ab7841780b31ba9c0a39a440aad1fca13">sys_mbox_tryfetch</a></div><div class="ttdeci">#define sys_mbox_tryfetch(mbox, msg)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00245">sys.h:245</a></div></div>
<div class="ttc" id="atcpip_8h_html_a915effea029b9c4891e1ec635eb1826d"><div class="ttname"><a href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a></div><div class="ttdeci">#define UNLOCK_TCPIP_CORE()</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db5/tcpip_8h_source.html#l00061">tcpip.h:61</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4c14294869aceba3ef9d4c0c302d0f33"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a></div><div class="ttdeci">uint32_t u32_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00126">arch.h:126</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gab0dd696fb4b6bc65e548944584f1738b"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a></div><div class="ttdeci">u8_t pbuf_free(struct pbuf *p)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00715">pbuf.c:715</a></div></div>
<div class="ttc" id="amemp_8h_html_a2b00593d086313c267b54a976bf67aa5"><div class="ttname"><a href="../../df/dff/memp_8h.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a></div><div class="ttdeci">void * memp_malloc(memp_t type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d70/memp_8c_source.html#l00385">memp.c:385</a></div></div>
<div class="ttc" id="araw_8h_html"><div class="ttname"><a href="../../d6/df4/raw_8h.html">raw.h</a></div></div>
<div class="ttc" id="astructsys__sem_html"><div class="ttname"><a href="../../d4/da3/structsys__sem.html">sys_sem</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d28/sem_8h_source.html#l00036">sem.h:36</a></div></div>
<div class="ttc" id="amemp_8h_html_aecd94926b7c2a0e23ae195f4ae97581f"><div class="ttname"><a href="../../df/dff/memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a></div><div class="ttdeci">void memp_free(memp_t type, void *mem)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d70/memp_8c_source.html#l00469">memp.c:469</a></div></div>
<div class="ttc" id="aip__addr_8h_html_acd8f5aa151cff966fd28368b85f38c05"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#acd8f5aa151cff966fd28368b85f38c05">ip_addr_isany_val</a></div><div class="ttdeci">#define ip_addr_isany_val(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00318">ip_addr.h:318</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca13e1dd0edca8a27b6abdf1524bde7929">ERR_INPROGRESS</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00073">err.h:73</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00065">err.h:65</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a3e7498d5d2921f0df3792de72f384d36"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a3e7498d5d2921f0df3792de72f384d36">LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT</a></div><div class="ttdeci">#define LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00301">lwipopts.h:301</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca8543e1d6422fed7b318d97e08dcbaa33"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca8543e1d6422fed7b318d97e08dcbaa33">ERR_ISCONN</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00083">err.h:83</a></div></div>
<div class="ttc" id="agroup__sys__time_html_ga11316ac1e77418c6fa4ab8869e3fa199"><div class="ttname"><a href="../../d3/dc4/group__sys__time.html#ga11316ac1e77418c6fa4ab8869e3fa199">sys_now</a></div><div class="ttdeci">u32_t sys_now(void)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00496">sys_arch.c:496</a></div></div>
<div class="ttc" id="adebug_8h_html_a827bc03cd7889e7c007df39d33b33d18"><div class="ttname"><a href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a></div><div class="ttdeci">#define LWIP_ERROR(message, expression, handler)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00135">debug.h:135</a></div></div>
<div class="ttc" id="amld6_8h_html"><div class="ttname"><a href="../../d0/d61/mld6_8h.html">mld6.h</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00094">err.h:94</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_gaff1dd2af219b75ae812e0b1660bd7455"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a></div><div class="ttdeci">void sys_sem_signal(struct sys_sem **s)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00088">sys_arch.c:88</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gacfcb0a2af918658ba0afe36499c65f47"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gacfcb0a2af918658ba0afe36499c65f47">pbuf_alloc</a></div><div class="ttdeci">struct pbuf * pbuf_alloc(pbuf_layer l, u16_t length, pbuf_type type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00248">pbuf.c:248</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga10f9a3d7baef58ccc23228c3bd29c1fb"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a></div><div class="ttdeci">int32_t s32_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00127">arch.h:127</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4caecabca98b43919dd11be1c0d4cd8e"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div><div class="ttdeci">uint8_t u8_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00122">arch.h:122</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a88b43639738c4de2d3cd22e3a1fd7696"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a></div><div class="ttdeci">ip6_addr_t ip_addr_t</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00290">ip_addr.h:290</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00085">err.h:85</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_ab277ee09b6e7200fc1cfe28482b886a6"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a></div><div class="ttdeci">#define IP6_NEXTH_ICMP6</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00070">ip6.h:70</a></div></div>
<div class="ttc" id="astructbuf_html"><div class="ttname"><a href="../../d9/dd0/structbuf.html">buf</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d6d/buf_8h_source.html#l00035">buf.h:35</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a1f3c3ae0938b5510978cbd31560a5797"><div class="ttname"><a href="../../d6/d89/tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a></div><div class="ttdeci">#define API_EXPR_REF(expr)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d89/tcpip__priv_8h_source.html#l00088">tcpip_priv.h:88</a></div></div>
<div class="ttc" id="aip_8h_html_a4e35b7692c228c98e738892f0a215647"><div class="ttname"><a href="../../da/d2f/ip_8h.html#a4e35b7692c228c98e738892f0a215647">ip_current_src_addr</a></div><div class="ttdeci">#define ip_current_src_addr()</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00210">ip.h:210</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a5d5a6e04abe2ec233c7acdb09f992461"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a5d5a6e04abe2ec233c7acdb09f992461">DEFAULT_ACCEPTMBOX_SIZE</a></div><div class="ttdeci">#define DEFAULT_ACCEPTMBOX_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00269">lwipopts.h:269</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00301">ip_addr.h:301</a></div></div>
<div class="ttc" id="asys_8h_html_acc5f7f8cbd020de628d1e9a0443da4c7"><div class="ttname"><a href="../../d9/d87/sys_8h.html#acc5f7f8cbd020de628d1e9a0443da4c7">SYS_ARCH_INC</a></div><div class="ttdeci">#define SYS_ARCH_INC(var, val)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00375">sys.h:375</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gaba88511dee3df4b631fde691f421320d"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gaba88511dee3df4b631fde691f421320d">pbuf_copy</a></div><div class="ttdeci">err_t pbuf_copy(struct pbuf *p_to, const struct pbuf *p_from)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00949">pbuf.c:949</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00096">err.h:96</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga70624a5deb8b9199406372a7f3603ecf"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a></div><div class="ttdeci">#define LWIP_UNUSED_ARG(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00315">arch.h:315</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a75659867592a6b01c198532ed1b65698"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a75659867592a6b01c198532ed1b65698">TCP_SNDQUEUELOWAT</a></div><div class="ttdeci">#define TCP_SNDQUEUELOWAT</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00190">lwipopts.h:190</a></div></div>
<div class="ttc" id="agroup__sys__mbox_html_gadf4b8fccb41fe2d76e88bef546e8e8bb"><div class="ttname"><a href="../../d8/dc0/group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a></div><div class="ttdeci">int sys_mbox_valid(struct sys_mbox **mb)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00366">sys_arch.c:366</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad">ERR_WOULDBLOCK</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00077">err.h:77</a></div></div>
<div class="ttc" id="adescrip_8h_html_a39808045c1781393e845fa51fd2db6e0"><div class="ttname"><a href="../../d3/df4/descrip_8h.html#a39808045c1781393e845fa51fd2db6e0">close</a></div><div class="ttdeci">int close(struct thread *, struct close_args *)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d3f/descrip_8c_source.html#l00161">descrip.c:161</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ggab7e0e32fcc292c0d7107721766ed92fbac5e9f28455bca98944a030d4b84ecfab"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#ggab7e0e32fcc292c0d7107721766ed92fbac5e9f28455bca98944a030d4b84ecfab">PBUF_RAM</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00108">pbuf.h:108</a></div></div>
<div class="ttc" id="agroup__sys__mbox_html_ga64ca1b1ef4c810f4d67595eca4fdfef0"><div class="ttname"><a href="../../d8/dc0/group__sys__mbox.html#ga64ca1b1ef4c810f4d67595eca4fdfef0">sys_mbox_set_invalid</a></div><div class="ttdeci">void sys_mbox_set_invalid(struct sys_mbox **mb)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00374">sys_arch.c:374</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00063">err.h:63</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a91e803b3c3f0ab89b20d7a85e3e92624"><div class="ttname"><a href="../../d6/d89/tcpip__priv_8h.html#a91e803b3c3f0ab89b20d7a85e3e92624">API_EXPR_REF_SEM</a></div><div class="ttdeci">#define API_EXPR_REF_SEM(expr)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d89/tcpip__priv_8h_source.html#l00089">tcpip_priv.h:89</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_gaf02d9da80fd66b4f986d2c53d7231ddb"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div><div class="ttdeci">s8_t err_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00057">err.h:57</a></div></div>
<div class="ttc" id="apci_8c_html_a8f8f80d37794cde9472343e4487ba3eb"><div class="ttname"><a href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a></div><div class="ttdeci">const char * name</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/de8/pci_8c_source.html#l00037">pci.c:37</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a77a933975db287f6aa5c2e70249ba18f"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a77a933975db287f6aa5c2e70249ba18f">ip_addr_copy</a></div><div class="ttdeci">#define ip_addr_copy(dest, src)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00305">ip_addr.h:305</a></div></div>
<div class="ttc" id="aip_8h_html"><div class="ttname"><a href="../../da/d2f/ip_8h.html">ip.h</a></div></div>
<div class="ttc" id="atcp_8h_html"><div class="ttname"><a href="../../d8/da5/tcp_8h.html">tcp.h</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a4279d7ff9f986b2ff3eb068bb012b697"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a4279d7ff9f986b2ff3eb068bb012b697">API_MSG_DEBUG</a></div><div class="ttdeci">#define API_MSG_DEBUG</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00439">lwipopts.h:439</a></div></div>
<div class="ttc" id="audp_8h_html"><div class="ttname"><a href="../../d2/da7/udp_8h.html">udp.h</a></div></div>
<div class="ttc" id="aip__addr_8h_html_aaa800ce1929a1bb0f3d64bebd44e4051"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a></div><div class="ttdeci">#define IP_SET_TYPE_VAL(ipaddr, iptype)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00298">ip_addr.h:298</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a5dbd0a61f30ae6c6bfbda635095f138d"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a5dbd0a61f30ae6c6bfbda635095f138d">RECV_BUFSIZE_DEFAULT</a></div><div class="ttdeci">#define RECV_BUFSIZE_DEFAULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00299">lwipopts.h:299</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a93cce3f47e33df11248c908d1775bacf"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a93cce3f47e33df11248c908d1775bacf">TCP_DEFAULT_LISTEN_BACKLOG</a></div><div class="ttdeci">#define TCP_DEFAULT_LISTEN_BACKLOG</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00198">lwipopts.h:198</a></div></div>
<div class="ttc" id="asys_8h_html_ab0571e67edca0132b144106e9b319ef9"><div class="ttname"><a href="../../d9/d87/sys_8h.html#ab0571e67edca0132b144106e9b319ef9">SYS_MBOX_EMPTY</a></div><div class="ttdeci">#define SYS_MBOX_EMPTY</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00052">sys.h:52</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcae6f9c1e4c18ca844f7934307d4cc30e5"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcae6f9c1e4c18ca844f7934307d4cc30e5">ERR_ALREADY</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00081">err.h:81</a></div></div>
<div class="ttc" id="agroup__sys__mbox_html_ga26c015e64c859c9361a6f75c4e6fa829"><div class="ttname"><a href="../../d8/dc0/group__sys__mbox.html#ga26c015e64c859c9361a6f75c4e6fa829">sys_mbox_new</a></div><div class="ttdeci">err_t sys_mbox_new(struct sys_mbox **mb, int size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00160">sys_arch.c:160</a></div></div>
<div class="ttc" id="amemp_8h_html"><div class="ttname"><a href="../../df/dff/memp_8h.html">memp.h</a></div></div>
<div class="ttc" id="asys_8h_html_a0da95147531964d619be7744c7169986"><div class="ttname"><a href="../../d9/d87/sys_8h.html#a0da95147531964d619be7744c7169986">SYS_ARCH_GET</a></div><div class="ttdeci">#define SYS_ARCH_GET(var, ret)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00393">sys.h:393</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a09fe785559b3f0cf108da4440489e335"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a09fe785559b3f0cf108da4440489e335">DEFAULT_UDP_RECVMBOX_SIZE</a></div><div class="ttdeci">#define DEFAULT_UDP_RECVMBOX_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00265">lwipopts.h:265</a></div></div>
<div class="ttc" id="agroup__ipaddr_html_ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e"><div class="ttname"><a href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e">IPADDR_TYPE_ANY</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00060">ip_addr.h:60</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a">ERR_RTE</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00071">err.h:71</a></div></div>
<div class="ttc" id="agroup__sys__mbox_html_gacc06f47f34de04084e1d49788ce871b6"><div class="ttname"><a href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost</a></div><div class="ttdeci">err_t sys_mbox_trypost(struct sys_mbox **mb, void *msg)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00250">sys_arch.c:250</a></div></div>
<div class="ttc" id="adns_8h_html"><div class="ttname"><a href="../../d5/d2e/dns_8h.html">dns.h</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00075">err.h:75</a></div></div>
<div class="ttc" id="agroup__ipaddr_html_gaf2142f0dfdcc938e2db16aa745ed585c"><div class="ttname"><a href="../../d4/d10/group__ipaddr.html#gaf2142f0dfdcc938e2db16aa745ed585c">lwip_ip_addr_type</a></div><div class="ttdeci">lwip_ip_addr_type</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00054">ip_addr.h:54</a></div></div>
<div class="ttc" id="astructpbuf_html"><div class="ttname"><a href="../../d9/db8/structpbuf.html">pbuf</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00142">pbuf.h:142</a></div></div>
<div class="ttc" id="adebug_8h_html_a63a04edf7ff63c951bd8706711956cdb"><div class="ttname"><a href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a></div><div class="ttdeci">#define LWIP_DEBUGF(debug, message)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00164">debug.h:164</a></div></div>
<div class="ttc" id="atcpip_8h_html_a4700525e737fc025fea4887b172e0c95"><div class="ttname"><a href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a></div><div class="ttdeci">#define LOCK_TCPIP_CORE()</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db5/tcpip_8h_source.html#l00060">tcpip.h:60</a></div></div>
<div class="ttc" id="aip__addr_8h_html"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html">ip_addr.h</a></div></div>
<div class="ttc" id="aapi__msg_8h_html"><div class="ttname"><a href="../../d0/dc4/api__msg_8h.html">api_msg.h</a></div></div>
<div class="ttc" id="agroup__ipaddr_html_ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049"><div class="ttname"><a href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00056">ip_addr.h:56</a></div></div>
<div class="ttc" id="afat__string_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d8a/fat__string_8h_source.html#l00017">fat_string.h:17</a></div></div>
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