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<div class="title">api_lib.c</div> </div>
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<div class="contents">
<a href="api__lib_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="l00024"></a><span class="lineno"> 24</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * Copyright (c) 2001-2004 Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</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="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</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="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</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="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">/* This is the part of the API that is linked with</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> the application */</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include <<a class="code" href="opt_8h.html">net/opt.h</a>></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</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="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#include <<a class="code" href="api_8h.html">net/api.h</a>></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include <<a class="code" href="memp_8h.html">net/memp.h</a>></span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#include <<a class="code" href="ip_8h.html">net/ip.h</a>></span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#include <<a class="code" href="raw_8h.html">net/raw.h</a>></span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#include <<a class="code" href="udp_8h.html">net/udp.h</a>></span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#include <<a class="code" href="api__msg_8h.html">net/priv/api_msg.h</a>></span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#include <<a class="code" href="tcp__priv_8h.html">net/priv/tcp_priv.h</a>></span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#include <<a class="code" href="tcpip__priv_8h.html">net/priv/tcpip_priv.h</a>></span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#include <<a class="code" href="string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define API_MSG_VAR_REF(name) API_VAR_REF(name)</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#define API_MSG_VAR_DECLARE(name) API_VAR_DECLARE(struct api_msg, name)</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define API_MSG_VAR_ALLOC(name) API_VAR_ALLOC(struct api_msg, MEMP_API_MSG, name, ERR_MEM)</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#define API_MSG_VAR_ALLOC_RETURN_NULL(name) API_VAR_ALLOC(struct api_msg, MEMP_API_MSG, name, NULL)</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#define API_MSG_VAR_FREE(name) API_VAR_FREE(MEMP_API_MSG, name)</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_close_shutdown(<span class="keyword">struct</span> netconn *conn, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> how);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> netconn_apimsg(<a class="code" href="tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> fn, <span class="keyword">struct</span> api_msg *apimsg)</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#ifdef LWIP_DEBUG</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">/* catch functions that don't set err */</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  apimsg->err = <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_DEBUG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  apimsg->op_completed_sem = LWIP_NETCONN_THREAD_SEM_GET();</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  err = <a class="code" href="tcpip__priv_8h.html#a12bdf37eddcd72c4178e3ea7d370395d">tcpip_send_msg_wait_sem</a>(fn, apimsg, LWIP_API_MSG_SEM(apimsg));</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (err == <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> apimsg->err;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">struct </span>netconn*</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> netconn_new_with_proto_and_callback(<span class="keyword">enum</span> netconn_type t, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> proto, netconn_callback callback)</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>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  API_MSG_VAR_ALLOC_RETURN_NULL(msg);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  conn = netconn_alloc(t, callback);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  API_MSG_VAR_REF(msg).msg.n.proto = proto;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  err = netconn_apimsg(lwip_netconn_do_newconn, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (err != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"freeing conn without freeing pcb"</span>, conn->pcb.tcp == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn has no recvmbox"</span>, <a class="code" href="group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox));</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn->acceptmbox shouldn't exist"</span>, !<a class="code" href="group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->acceptmbox));</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor">#if !LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"conn has no op_completed"</span>, <a class="code" href="group__sys__sem.html#gac7ff314270976b80559d043f6098817b">sys_sem_valid</a>(&conn->op_completed));</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="group__sys__sem.html#ga4d02e29e5dfa092559efc04dee985822">sys_sem_free</a>(&conn->op_completed);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="group__sys__mbox.html#gad4a51a28337f89d4b4806e6deb99798d">sys_mbox_free</a>(&conn->recvmbox);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a>(MEMP_NETCONN, conn);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</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>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> conn;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> netconn_delete(<span class="keyword">struct</span> netconn *conn)</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">/* No ASSERT here because possible to get a (conn == NULL) if we got an accept error */</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (conn == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</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>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO || LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">/* get the time we started, which is later compared to</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> sys_now() + conn->send_timeout */</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  API_MSG_VAR_REF(msg).msg.sd.time_started = <a class="code" href="group__sys__time.html#ga11316ac1e77418c6fa4ab8869e3fa199">sys_now</a>();</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</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="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  API_MSG_VAR_REF(msg).msg.sd.polls_left =</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  ((<a class="code" href="lwipopts_8h.html#a3e7498d5d2921f0df3792de72f384d36">LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT</a> + TCP_SLOW_INTERVAL - 1) / TCP_SLOW_INTERVAL) + 1;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</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="l00188"></a><span class="lineno"> 188</span>  err = netconn_apimsg(lwip_netconn_do_delconn, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (err != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  netconn_free(conn);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</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>  </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> netconn_getaddr(<span class="keyword">struct</span> netconn *conn, <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> *port, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> local)</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_getaddr: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_getaddr: invalid addr"</span>, (addr != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_getaddr: invalid port"</span>, (port != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</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>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  API_MSG_VAR_REF(msg).msg.ad.local = local;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  err = netconn_apimsg(lwip_netconn_do_getaddr, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  *addr = msg->msg.ad.ipaddr;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  *port = msg->msg.ad.port;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  msg.msg.ad.ipaddr = addr;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  msg.msg.ad.port = port;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  err = netconn_apimsg(lwip_netconn_do_getaddr, &msg);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  API_MSG_VAR_FREE(msg);</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="keywordflow">return</span> err;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> netconn_bind(<span class="keyword">struct</span> netconn *conn, <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port)</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  </div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_bind: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">/* Don't propagate NULL pointer (IP_ADDR_ANY alias) to subsequent functions */</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (addr == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  addr = IP4_ADDR_ANY;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></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="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">/* "Socket API like" dual-stack support: If IP to bind to is IP6_ADDR_ANY,</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * and NETCONN_FLAG_IPV6_V6ONLY is 0, use IP_ANY_TYPE to bind</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> ((netconn_get_ipv6only(conn) == 0) &&</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="ip__addr_8h.html#a008c9c92d770cc030ea054e6b259835a">ip_addr_cmp</a>(addr, IP6_ADDR_ANY)) {</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  addr = <a class="code" href="ip__addr_8h.html#abe43b154533b73585c4e58f568370ede">IP_ANY_TYPE</a>;</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></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>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  API_MSG_VAR_REF(msg).msg.bc.ipaddr = API_MSG_VAR_REF(addr);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  API_MSG_VAR_REF(msg).msg.bc.port = port;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  err = netconn_apimsg(lwip_netconn_do_bind, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  API_MSG_VAR_FREE(msg);</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">return</span> err;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> }</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> netconn_connect(<span class="keyword">struct</span> netconn *conn, <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port)</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_connect: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="comment">/* Don't propagate NULL pointer (IP_ADDR_ANY alias) to subsequent functions */</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (addr == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  addr = IP4_ADDR_ANY;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  API_MSG_VAR_REF(msg).msg.bc.ipaddr = API_MSG_VAR_REF(addr);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  API_MSG_VAR_REF(msg).msg.bc.port = port;</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  err = netconn_apimsg(lwip_netconn_do_connect, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> }</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> netconn_disconnect(<span class="keyword">struct</span> netconn *conn)</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> {</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_disconnect: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  </div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  err = netconn_apimsg(lwip_netconn_do_disconnect, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> netconn_listen_with_backlog(<span class="keyword">struct</span> netconn *conn, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> backlog)</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">/* This does no harm. If TCP_LISTEN_BACKLOG is off, backlog is unused. */</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <a class="code" href="group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(backlog);</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_listen: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</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>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  API_MSG_VAR_REF(msg).msg.lb.backlog = backlog;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  err = netconn_apimsg(lwip_netconn_do_listen, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  API_MSG_VAR_FREE(msg);</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>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(conn);</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <a class="code" href="group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(backlog);</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> }</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> netconn_accept(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netconn **new_conn)</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> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordtype">void</span> *accept_ptr;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keyword">struct </span>netconn *newconn;</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  </div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_accept: invalid pointer"</span>, (new_conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  *new_conn = <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_accept: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">if</span> (<a class="code" href="group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(conn->last_err)) {</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="comment">/* don't recv on fatal errors: this might block the application task</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="comment"> waiting on acceptmbox forever! */</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">return</span> conn->last_err;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span> (!<a class="code" href="group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->acceptmbox)) {</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>;</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  </div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></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="preprocessor">#if LWIP_SO_RCVTIMEO</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (<a class="code" href="group__sys__mbox.html#gacc53b5c30f131abc40f0885d39d32f87">sys_arch_mbox_fetch</a>(&conn->acceptmbox, &accept_ptr, conn->recv_timeout) == <a class="code" href="sys_8h.html#ac1495030a8ab5e1f3c89e42ced527c5b">SYS_ARCH_TIMEOUT</a>) {</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcac568baeb6407ef5e2630084ccbc34be8">ERR_TIMEOUT</a>;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  }</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <a class="code" href="group__sys__mbox.html#gacc53b5c30f131abc40f0885d39d32f87">sys_arch_mbox_fetch</a>(&conn->acceptmbox, &accept_ptr, 0);</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  newconn = (<span class="keyword">struct </span>netconn *)accept_ptr;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  API_EVENT(conn, NETCONN_EVT_RCVMINUS, 0);</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  </div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (accept_ptr == &netconn_aborted) {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">/* a connection has been aborted: out of pcbs or out of netconns during accept */</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">/* @todo: set netconn error, but this would be fatal and thus block further accepts */</span></div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaf316b2c5eee4079820f7100849115142">ERR_ABRT</a>;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span> (newconn == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">/* connection has been aborted */</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="comment">/* in this special case, we set the netconn error from application thread, as</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> on a ready-to-accept listening netconn, there should not be anything running</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> in tcpip_thread */</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  NETCONN_SET_SAFE_ERR(conn, <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>);</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</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> <span class="preprocessor">#if TCP_LISTEN_BACKLOG</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">/* Let the stack know that we have accepted the connection. */</span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  API_MSG_VAR_REF(msg).conn = newconn;</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">/* don't care for the return value of lwip_netconn_do_recv */</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  netconn_apimsg(lwip_netconn_do_accepted, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="preprocessor">#endif </span><span class="comment">/* TCP_LISTEN_BACKLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  </div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  *new_conn = newconn;</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="comment">/* don't set conn->last_err: it's only ERR_OK, anyway */</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <a class="code" href="group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(conn);</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <a class="code" href="group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(new_conn);</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> }</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  </div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> netconn_recv_data(<span class="keyword">struct</span> netconn *conn, <span class="keywordtype">void</span> **new_buf)</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> {</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordtype">void</span> *<a class="code" href="structbuf.html">buf</a> = <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len;</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  msg = <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></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>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_recv: invalid pointer"</span>, (new_buf != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  *new_buf = <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_recv: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP)</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">if</span> (!<a class="code" href="group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox)) {</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="comment">/* This happens when calling this function after receiving FIN */</span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">return</span> <a class="code" href="group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->acceptmbox) ? <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a> : <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>;</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>  }</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_recv: invalid recvmbox"</span>, <a class="code" href="group__sys__mbox.html#gadf4b8fccb41fe2d76e88bef546e8e8bb">sys_mbox_valid</a>(&conn->recvmbox), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a>;);</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  </div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">if</span> (<a class="code" href="group__infrastructure__errors.html#gac36f9cda08ffce1f67529a432a046248">ERR_IS_FATAL</a>(conn->last_err)) {</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="comment">/* don't recv on fatal errors: this might block the application task</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment"> waiting on recvmbox forever! */</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">/* @todo: this does not allow us to fetch data that has been put into recvmbox</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="comment"> before the fatal error occurred - is that a problem? */</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> conn->last_err;</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> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP)</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  {</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></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="preprocessor">#if LWIP_SO_RCVTIMEO</span></div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (<a class="code" href="group__sys__mbox.html#gacc53b5c30f131abc40f0885d39d32f87">sys_arch_mbox_fetch</a>(&conn->recvmbox, &<a class="code" href="structbuf.html">buf</a>, conn->recv_timeout) == <a class="code" href="sys_8h.html#ac1495030a8ab5e1f3c89e42ced527c5b">SYS_ARCH_TIMEOUT</a>) {</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP)</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  {</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  }</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcac568baeb6407ef5e2630084ccbc34be8">ERR_TIMEOUT</a>;</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <a class="code" href="group__sys__mbox.html#gacc53b5c30f131abc40f0885d39d32f87">sys_arch_mbox_fetch</a>(&conn->recvmbox, &<a class="code" href="structbuf.html">buf</a>, 0);</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  </div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP)</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></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>  <span class="comment">/* Let the stack know that we have taken the data. */</span></div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="comment">/* @todo: Speedup: Don't block and wait for the answer here</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment"> (to prevent multiple thread-switches). */</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">if</span> (<a class="code" href="structbuf.html">buf</a> != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  API_MSG_VAR_REF(msg).msg.r.len = ((<span class="keyword">struct </span><a class="code" href="structpbuf.html">pbuf</a> *)<a class="code" href="structbuf.html">buf</a>)->tot_len;</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  API_MSG_VAR_REF(msg).msg.r.len = 1;</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  }</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  </div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="comment">/* don't care for the return value of lwip_netconn_do_recv */</span></div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  netconn_apimsg(lwip_netconn_do_recv, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  API_MSG_VAR_FREE(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="comment">/* If we are closed, we indicate that we no longer wish to use the socket */</span></div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">if</span> (<a class="code" href="structbuf.html">buf</a> == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  API_EVENT(conn, NETCONN_EVT_RCVMINUS, 0);</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keywordflow">if</span> (conn->pcb.ip == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">/* race condition: RST during recv */</span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">return</span> conn->last_err == <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a> ? <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca759030525f1768a23dc086a5fd45b4e5">ERR_RST</a> : conn->last_err;</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  }</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">/* RX side is closed, so deallocate the recvmbox */</span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  netconn_close_shutdown(conn, NETCONN_SHUT_RD);</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="comment">/* Don' store ERR_CLSD as conn->err since we are only half-closed */</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>;</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  }</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <a class="code" href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> = ((<span class="keyword">struct </span><a class="code" href="structpbuf.html">pbuf</a> *)<a class="code" href="structbuf.html">buf</a>)->tot_len;</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  }</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="preprocessor">#if LWIP_TCP && (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP && (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  {</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <a class="code" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"buf != NULL"</span>, <a class="code" href="structbuf.html">buf</a> != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <a class="code" href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> = netbuf_len((<span class="keyword">struct</span> netbuf*)<a class="code" href="structbuf.html">buf</a>);</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_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  </div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <a class="code" href="sys_8h.html#aa9a585faa63acdd5d59ac5e7759a07c5">SYS_ARCH_DEC</a>(conn->recv_avail, <a class="code" href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>);</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="comment">/* Register event with callback */</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  API_EVENT(conn, NETCONN_EVT_RCVMINUS, <a class="code" href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>);</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  </div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <a class="code" href="debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="lwipopts_8h.html#a671009550216f7dc03e67ba5751e3160">API_LIB_DEBUG</a>, (<span class="stringliteral">"netconn_recv_data: received %p, len=%"</span><a class="code" href="group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, <a class="code" href="structbuf.html">buf</a>, <a class="code" href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>));</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  </div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  *new_buf = <a class="code" href="structbuf.html">buf</a>;</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">/* don't set conn->last_err: it's only ERR_OK, anyway */</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> }</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> netconn_recv_tcp_pbuf(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> **new_buf)</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> {</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_recv: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) &&</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  NETCONNTYPE_GROUP(netconn_type(conn)) == NETCONN_TCP, <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  </div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keywordflow">return</span> netconn_recv_data(conn, (<span class="keywordtype">void</span> **)new_buf);</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> }</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  </div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> netconn_recv(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netbuf **new_buf)</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> {</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keyword">struct </span>netbuf *<a class="code" href="structbuf.html">buf</a> = <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  </div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_recv: invalid pointer"</span>, (new_buf != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  *new_buf = <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_recv: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  </div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP)</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></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>  <span class="keyword">struct </span><a class="code" href="structpbuf.html">pbuf</a> *p = <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="comment">/* This is not a listening netconn, since recvmbox is set */</span></div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  </div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <a class="code" href="structbuf.html">buf</a> = (<span class="keyword">struct </span>netbuf *)<a class="code" href="memp_8h.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a>(MEMP_NETBUF);</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">if</span> (<a class="code" href="structbuf.html">buf</a> == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  }</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  </div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  err = netconn_recv_data(conn, (<span class="keywordtype">void</span> **)&p);</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">if</span> (err != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <a class="code" href="memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a>(MEMP_NETBUF, <a class="code" href="structbuf.html">buf</a>);</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keywordflow">return</span> err;</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>  <a class="code" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"p != NULL"</span>, p != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  </div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <a class="code" href="structbuf.html">buf</a>->p = p;</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <a class="code" href="structbuf.html">buf</a>->ptr = p;</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <a class="code" href="structbuf.html">buf</a>->port = 0;</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <a class="code" href="ip__addr_8h.html#aae7edb585c062ae03bfbd3af7bf671bc">ip_addr_set_zero</a>(&<a class="code" href="structbuf.html">buf</a>->addr);</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  *new_buf = <a class="code" href="structbuf.html">buf</a>;</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="comment">/* don't set conn->last_err: it's only ERR_OK, anyway */</span></div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  }</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="preprocessor">#if LWIP_TCP && (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP && (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  {</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordflow">return</span> netconn_recv_data(conn, (<span class="keywordtype">void</span> **)new_buf);</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  }</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span> }</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  </div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> netconn_sendto(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netbuf *<a class="code" href="structbuf.html">buf</a>, <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port)</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> {</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">if</span> (<a class="code" href="structbuf.html">buf</a> != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <a class="code" href="ip__addr_8h.html#a40db7feae2b92f7a7a01d65a85b06e18">ip_addr_set</a>(&<a class="code" href="structbuf.html">buf</a>->addr, addr);</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <a class="code" href="structbuf.html">buf</a>->port = port;</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">return</span> netconn_send(conn, <a class="code" href="structbuf.html">buf</a>);</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  }</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</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>  </div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> netconn_send(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netbuf *<a class="code" href="structbuf.html">buf</a>)</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span> {</div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  </div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_send: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  </div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <a class="code" href="debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="lwipopts_8h.html#a671009550216f7dc03e67ba5751e3160">API_LIB_DEBUG</a>, (<span class="stringliteral">"netconn_send: sending %"</span><a class="code" href="group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" bytes\n"</span>, <a class="code" href="structbuf.html">buf</a>->p->tot_len));</div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  </div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  API_MSG_VAR_REF(msg).msg.b = <a class="code" href="structbuf.html">buf</a>;</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  err = netconn_apimsg(lwip_netconn_do_send, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  </div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> }</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  </div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> netconn_write_partly(<span class="keyword">struct</span> netconn *conn, <span class="keyword">const</span> <span class="keywordtype">void</span> *dataptr, <span class="keywordtype">size_t</span> size,</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> apiflags, <span class="keywordtype">size_t</span> *bytes_written)</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> {</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> dontblock;</div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  </div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_write: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_write: invalid conn->type"</span>, (NETCONNTYPE_GROUP(conn->type)== NETCONN_TCP), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;);</div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="keywordflow">if</span> (size == 0) {</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  }</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  dontblock = netconn_is_nonblocking(conn) || (apiflags & NETCONN_DONTBLOCK);</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keywordflow">if</span> (conn->send_timeout != 0) {</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  dontblock = 1;</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keywordflow">if</span> (dontblock && !bytes_written) {</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="comment">/* This implies netconn_write() cannot be used for non-blocking send, since</span></div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="comment"> it has no way to return the number of bytes written. */</span></div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  }</div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  </div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="comment">/* non-blocking write sends as much */</span></div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  API_MSG_VAR_REF(msg).msg.w.dataptr = dataptr;</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  API_MSG_VAR_REF(msg).msg.w.apiflags = apiflags;</div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  API_MSG_VAR_REF(msg).msg.w.len = size;</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="keywordflow">if</span> (conn->send_timeout != 0) {</div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="comment">/* get the time we started, which is later compared to</span></div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> <span class="comment"> sys_now() + conn->send_timeout */</span></div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  API_MSG_VAR_REF(msg).msg.w.time_started = <a class="code" href="group__sys__time.html#ga11316ac1e77418c6fa4ab8869e3fa199">sys_now</a>();</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  API_MSG_VAR_REF(msg).msg.w.time_started = 0;</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  }</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  </div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="comment">/* For locking the core: this _can_ be delayed on low memory/low send buffer,</span></div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="comment"> but if it is, this is done inside api_msg.c:do_write(), so we can use the</span></div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="comment"> non-blocking version here. */</span></div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  err = netconn_apimsg(lwip_netconn_do_write, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">if</span> ((err == <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) && (bytes_written != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)) {</div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">if</span> (dontblock) {</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="comment">/* nonblocking write: maybe the data has been sent partly */</span></div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  *bytes_written = API_MSG_VAR_REF(msg).msg.w.len;</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="comment">/* blocking call succeeded: all data has been sent if it */</span></div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  *bytes_written = size;</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  }</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>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  </div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">return</span> err;</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="l00801"></a><span class="lineno"> 801</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> netconn_close_shutdown(<span class="keyword">struct</span> netconn *conn, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> how)</div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> {</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <a class="code" href="group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(how);</div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  </div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_close: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</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>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="comment">/* shutting down both ends is the same as closing */</span></div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  API_MSG_VAR_REF(msg).msg.sd.shut = how;</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO || LWIP_SO_LINGER</span></div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="comment">/* get the time we started, which is later compared to</span></div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> <span class="comment"> sys_now() + conn->send_timeout */</span></div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  API_MSG_VAR_REF(msg).msg.sd.time_started = <a class="code" href="group__sys__time.html#ga11316ac1e77418c6fa4ab8869e3fa199">sys_now</a>();</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</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="l00820"></a><span class="lineno"> 820</span>  API_MSG_VAR_REF(msg).msg.sd.polls_left =</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  ((<a class="code" href="lwipopts_8h.html#a3e7498d5d2921f0df3792de72f384d36">LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT</a> + TCP_SLOW_INTERVAL - 1) / TCP_SLOW_INTERVAL) + 1;</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</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="l00823"></a><span class="lineno"> 823</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  err = netconn_apimsg(lwip_netconn_do_close, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  API_MSG_VAR_FREE(msg);</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>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span> }</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  </div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> netconn_close(<span class="keyword">struct</span> netconn *conn)</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> {</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="comment">/* shutting down both ends is the same as closing */</span></div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="keywordflow">return</span> netconn_close_shutdown(conn, NETCONN_SHUT_RDWR);</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span> }</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  </div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> netconn_shutdown(<span class="keyword">struct</span> netconn *conn, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> shut_rx, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> shut_tx)</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span> {</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">return</span> netconn_close_shutdown(conn, (shut_rx ? NETCONN_SHUT_RD : 0) | (shut_tx ? NETCONN_SHUT_WR : 0));</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span> }</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> <span class="preprocessor">#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)</span></div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  </div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span> netconn_join_leave_group(<span class="keyword">struct</span> netconn *conn,</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *multiaddr,</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *netif_addr,</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keyword">enum</span> netconn_igmp join_or_leave)</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> {</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  API_MSG_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</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>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_join_leave_group: invalid conn"</span>, (conn != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  </div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  API_MSG_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  </div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="comment">/* Don't propagate NULL pointer (IP_ADDR_ANY alias) to subsequent functions */</span></div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">if</span> (multiaddr == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  multiaddr = IP4_ADDR_ANY;</div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  }</div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">if</span> (netif_addr == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  netif_addr = IP4_ADDR_ANY;</div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  }</div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  </div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  API_MSG_VAR_REF(msg).conn = conn;</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  API_MSG_VAR_REF(msg).msg.jl.multiaddr = API_MSG_VAR_REF(multiaddr);</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  API_MSG_VAR_REF(msg).msg.jl.netif_addr = API_MSG_VAR_REF(netif_addr);</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  API_MSG_VAR_REF(msg).msg.jl.join_or_leave = join_or_leave;</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  err = netconn_apimsg(lwip_netconn_do_join_leave_group, &API_MSG_VAR_REF(msg));</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  API_MSG_VAR_FREE(msg);</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  </div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> }</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</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="l00904"></a><span class="lineno"> 904</span>  </div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="preprocessor">#if LWIP_DNS</span></div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  </div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> netconn_gethostbyname_addrtype(<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> dns_addrtype)</div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> netconn_gethostbyname(<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr)</div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span> {</div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <a class="code" href="tcpip__priv_8h.html#ab5d4a4fa91c4c144bedabf593a68b4dd">API_VAR_DECLARE</a>(<span class="keyword">struct</span> dns_api_msg, msg);</div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> <span class="preprocessor">#if !LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <a class="code" href="structsys__sem.html">sys_sem_t</a> sem;</div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> cberr;</div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  </div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_gethostbyname: invalid name"</span>, (<a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a> != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <a class="code" href="debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netconn_gethostbyname: invalid addr"</span>, (addr != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>), <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keywordflow">if</span> (<a class="code" href="lib_8h.html#ae6c8de953239811a34eeeab09458e55e">strlen</a>(<a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>) >= <a class="code" href="lwipopts_8h.html#a3b01c79902063c170ef57deb72f56124">DNS_MAX_NAME_LENGTH</a>) {</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  }</div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  </div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <a class="code" href="tcpip__priv_8h.html#a8ff9b936b16d91844c0e32424e97f493">API_VAR_ALLOC</a>(<span class="keyword">struct</span> dns_api_msg, MEMP_DNS_API_MSG, msg, <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>);</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <a class="code" href="string_8h.html#a3a2a3fddad0b7aa0ddb8fcd7509b9e27">strncpy</a>(<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).<a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="code" href="lwipopts_8h.html#a3b01c79902063c170ef57deb72f56124">DNS_MAX_NAME_LENGTH</a>-1);</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).name[<a class="code" href="lwipopts_8h.html#a3b01c79902063c170ef57deb72f56124">DNS_MAX_NAME_LENGTH</a>-1] = 0;</div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  msg.err = &err;</div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  msg.sem = &sem;</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  <a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).addr = <a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(addr);</div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  <a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).name = <a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>;</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  <a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).dns_addrtype = dns_addrtype;</div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).sem = LWIP_NETCONN_THREAD_SEM_GET();</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  err = <a class="code" href="group__sys__sem.html#gadb68acad14b34550b9891bc11bbf4e63">sys_sem_new</a>(<a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).sem), 0);</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="keywordflow">if</span> (err != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <a class="code" href="tcpip__priv_8h.html#a30caebb5334f52d49ac938a507094094">API_VAR_FREE</a>(MEMP_DNS_API_MSG, msg);</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  }</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  </div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  cberr = <a class="code" href="tcpip_8h.html#a7eb868a1215472ec38f3f2a04d442b9f">tcpip_callback</a>(lwip_netconn_do_gethostbyname, &<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg));</div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordflow">if</span> (cberr != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> <span class="preprocessor">#if !LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <a class="code" href="group__sys__sem.html#ga4d02e29e5dfa092559efc04dee985822">sys_sem_free</a>(<a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).sem));</div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <a class="code" href="tcpip__priv_8h.html#a30caebb5334f52d49ac938a507094094">API_VAR_FREE</a>(MEMP_DNS_API_MSG, msg);</div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="keywordflow">return</span> cberr;</div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  }</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <a class="code" href="sys_8h.html#a84e7e4bc00255aee84e6e7289a985703">sys_sem_wait</a>(<a class="code" href="tcpip__priv_8h.html#a91e803b3c3f0ab89b20d7a85e3e92624">API_EXPR_REF_SEM</a>(<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).sem));</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> <span class="preprocessor">#if !LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <a class="code" href="group__sys__sem.html#ga4d02e29e5dfa092559efc04dee985822">sys_sem_free</a>(<a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).sem));</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  </div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  *addr = msg->addr;</div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  err = msg->err;</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></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>  <a class="code" href="tcpip__priv_8h.html#a30caebb5334f52d49ac938a507094094">API_VAR_FREE</a>(MEMP_DNS_API_MSG, msg);</div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span> }</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_DNS*/</span><span class="preprocessor"></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="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span> netconn_thread_init(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> {</div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <a class="code" href="structsys__sem.html">sys_sem_t</a> *sem = LWIP_NETCONN_THREAD_SEM_GET();</div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="keywordflow">if</span> ((sem == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) || !<a class="code" href="group__sys__sem.html#gac7ff314270976b80559d043f6098817b">sys_sem_valid</a>(sem)) {</div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="comment">/* call alloc only once */</span></div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  LWIP_NETCONN_THREAD_SEM_ALLOC();</div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  <a class="code" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"LWIP_NETCONN_THREAD_SEM_ALLOC() failed"</span>, <a class="code" href="group__sys__sem.html#gac7ff314270976b80559d043f6098817b">sys_sem_valid</a>(LWIP_NETCONN_THREAD_SEM_GET()));</div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  }</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> }</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="keywordtype">void</span></div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span> netconn_thread_cleanup(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> {</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <a class="code" href="structsys__sem.html">sys_sem_t</a> *sem = LWIP_NETCONN_THREAD_SEM_GET();</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="keywordflow">if</span> ((sem != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && <a class="code" href="group__sys__sem.html#gac7ff314270976b80559d043f6098817b">sys_sem_valid</a>(sem)) {</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="comment">/* call free only once */</span></div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  LWIP_NETCONN_THREAD_SEM_FREE();</div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  }</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span> }</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></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_NETCONN */</span><span class="preprocessor"></span></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
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<div class="ttc" id="astructpbuf_html_a6f82449625e36e294f5d210268c0703f"><div class="ttname"><a href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">pbuf::len</a></div><div class="ttdeci">u16_t len</div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8h_source.html#l00159">pbuf.h:159</a></div></div>
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<div class="ttc" id="adebug_8h_html_a94ad086267808462beae2b38f91996ed"><div class="ttname"><a href="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="debug_8h_source.html#l00116">debug.h:116</a></div></div>
<div class="ttc" id="aip__addr_8h_html_aae7edb585c062ae03bfbd3af7bf671bc"><div class="ttname"><a href="ip__addr_8h.html#aae7edb585c062ae03bfbd3af7bf671bc">ip_addr_set_zero</a></div><div class="ttdeci">#define ip_addr_set_zero(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="ip__addr_8h_source.html#l00309">ip_addr.h:309</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_gadb68acad14b34550b9891bc11bbf4e63"><div class="ttname"><a href="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="sys__arch_8c_source.html#l00052">sys_arch.c:52</a></div></div>
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<div class="ttc" id="agroup__sys__sem_html_ga4d02e29e5dfa092559efc04dee985822"><div class="ttname"><a href="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="sys__arch_8c_source.html#l00075">sys_arch.c:75</a></div></div>
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<div class="ttc" id="agroup__compiler__abstraction_html_ga77570ac4fcab86864fa1916e55676da2"><div class="ttname"><a href="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="arch_8h_source.html#l00124">arch.h:124</a></div></div>
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<div class="ttc" id="asys_8h_html_aa9a585faa63acdd5d59ac5e7759a07c5"><div class="ttname"><a href="sys_8h.html#aa9a585faa63acdd5d59ac5e7759a07c5">SYS_ARCH_DEC</a></div><div class="ttdeci">#define SYS_ARCH_DEC(var, val)</div><div class="ttdef"><b>Definition:</b> <a href="sys_8h_source.html#l00384">sys.h:384</a></div></div>
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<div class="ttc" id="aip__addr_8h_html_abe43b154533b73585c4e58f568370ede"><div class="ttname"><a href="ip__addr_8h.html#abe43b154533b73585c4e58f568370ede">IP_ANY_TYPE</a></div><div class="ttdeci">#define IP_ANY_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="ip__addr_8h_source.html#l00400">ip_addr.h:400</a></div></div>
<div class="ttc" id="astring_8h_html_a3a2a3fddad0b7aa0ddb8fcd7509b9e27"><div class="ttname"><a href="string_8h.html#a3a2a3fddad0b7aa0ddb8fcd7509b9e27">strncpy</a></div><div class="ttdeci">char * strncpy(char *__restrict, const char *__restrict, size_t)</div></div>
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<div class="ttc" id="alib_8h_html_ae6c8de953239811a34eeeab09458e55e"><div class="ttname"><a href="lib_8h.html#ae6c8de953239811a34eeeab09458e55e">strlen</a></div><div class="ttdeci">int strlen(const char *str)</div><div class="ttdef"><b>Definition:</b> <a href="strlen_8c_source.html#l00055">strlen.c:55</a></div></div>
<div class="ttc" id="amemp_8h_html_a2b00593d086313c267b54a976bf67aa5"><div class="ttname"><a href="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="memp_8c_source.html#l00385">memp.c:385</a></div></div>
<div class="ttc" id="araw_8h_html"><div class="ttname"><a href="raw_8h.html">raw.h</a></div></div>
<div class="ttc" id="astructsys__sem_html"><div class="ttname"><a href="structsys__sem.html">sys_sem</a></div><div class="ttdef"><b>Definition:</b> <a href="sem_8h_source.html#l00036">sem.h:36</a></div></div>
<div class="ttc" id="amemp_8h_html_aecd94926b7c2a0e23ae195f4ae97581f"><div class="ttname"><a href="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="memp_8c_source.html#l00469">memp.c:469</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcac568baeb6407ef5e2630084ccbc34be8"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcac568baeb6407ef5e2630084ccbc34be8">ERR_TIMEOUT</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00069">err.h:69</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00065">err.h:65</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a3e7498d5d2921f0df3792de72f384d36"><div class="ttname"><a href="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="lwipopts_8h_source.html#l00301">lwipopts.h:301</a></div></div>
<div class="ttc" id="agroup__sys__time_html_ga11316ac1e77418c6fa4ab8869e3fa199"><div class="ttname"><a href="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="sys__arch_8c_source.html#l00497">sys_arch.c:497</a></div></div>
<div class="ttc" id="adebug_8h_html_a827bc03cd7889e7c007df39d33b33d18"><div class="ttname"><a href="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="debug_8h_source.html#l00135">debug.h:135</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00094">err.h:94</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a671009550216f7dc03e67ba5751e3160"><div class="ttname"><a href="lwipopts_8h.html#a671009550216f7dc03e67ba5751e3160">API_LIB_DEBUG</a></div><div class="ttdeci">#define API_LIB_DEBUG</div><div class="ttdef"><b>Definition:</b> <a href="lwipopts_8h_source.html#l00437">lwipopts.h:437</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4caecabca98b43919dd11be1c0d4cd8e"><div class="ttname"><a href="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="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="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="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="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab0036c51817b5200bfe8157cc4115b27">ERR_CONN</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00085">err.h:85</a></div></div>
<div class="ttc" id="astructbuf_html"><div class="ttname"><a href="structbuf.html">buf</a></div><div class="ttdef"><b>Definition:</b> <a href="buf_8h_source.html#l00035">buf.h:35</a></div></div>
<div class="ttc" id="atcp__priv_8h_html"><div class="ttname"><a href="tcp__priv_8h.html">tcp_priv.h</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a8ff9b936b16d91844c0e32424e97f493"><div class="ttname"><a href="tcpip__priv_8h.html#a8ff9b936b16d91844c0e32424e97f493">API_VAR_ALLOC</a></div><div class="ttdeci">#define API_VAR_ALLOC(type, pool, name, errorval)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip__priv_8h_source.html#l00084">tcpip_priv.h:84</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a1f3c3ae0938b5510978cbd31560a5797"><div class="ttname"><a href="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="tcpip__priv_8h_source.html#l00088">tcpip_priv.h:88</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a></div><div class="ttdef"><b>Definition:</b> <a href="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="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="arch_8h_source.html#l00315">arch.h:315</a></div></div>
<div class="ttc" id="agroup__sys__mbox_html_gadf4b8fccb41fe2d76e88bef546e8e8bb"><div class="ttname"><a href="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="sys__arch_8c_source.html#l00367">sys_arch.c:367</a></div></div>
<div class="ttc" id="agroup__sys__mbox_html_gacc53b5c30f131abc40f0885d39d32f87"><div class="ttname"><a href="group__sys__mbox.html#gacc53b5c30f131abc40f0885d39d32f87">sys_arch_mbox_fetch</a></div><div class="ttdeci">uint32_t sys_arch_mbox_fetch(struct sys_mbox **mb, void **msg, uint32_t timeout)</div><div class="ttdef"><b>Definition:</b> <a href="sys__arch_8c_source.html#l00287">sys_arch.c:287</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gaa9d7f6eb2ee9fcc5eda3545dbb1886e0"><div class="ttname"><a href="group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a></div><div class="ttdeci">#define U16_F</div><div class="ttdef"><b>Definition:</b> <a href="arch_8h_source.html#l00148">arch.h:148</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="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="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="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="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="err_8h_source.html#l00057">err.h:57</a></div></div>
<div class="ttc" id="atcpip_8h_html_a7eb868a1215472ec38f3f2a04d442b9f"><div class="ttname"><a href="tcpip_8h.html#a7eb868a1215472ec38f3f2a04d442b9f">tcpip_callback</a></div><div class="ttdeci">#define tcpip_callback(f, ctx)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip_8h_source.html#l00085">tcpip.h:85</a></div></div>
<div class="ttc" id="apci_8c_html_a8f8f80d37794cde9472343e4487ba3eb"><div class="ttname"><a href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a></div><div class="ttdeci">const char * name</div><div class="ttdef"><b>Definition:</b> <a href="pci_8c_source.html#l00037">pci.c:37</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_ab5d4a4fa91c4c144bedabf593a68b4dd"><div class="ttname"><a href="tcpip__priv_8h.html#ab5d4a4fa91c4c144bedabf593a68b4dd">API_VAR_DECLARE</a></div><div class="ttdeci">#define API_VAR_DECLARE(type, name)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip__priv_8h_source.html#l00083">tcpip_priv.h:83</a></div></div>
<div class="ttc" id="aip_8h_html"><div class="ttname"><a href="ip_8h.html">ip.h</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca759030525f1768a23dc086a5fd45b4e5"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca759030525f1768a23dc086a5fd45b4e5">ERR_RST</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00092">err.h:92</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a12bdf37eddcd72c4178e3ea7d370395d"><div class="ttname"><a href="tcpip__priv_8h.html#a12bdf37eddcd72c4178e3ea7d370395d">tcpip_send_msg_wait_sem</a></div><div class="ttdeci">err_t tcpip_send_msg_wait_sem(tcpip_callback_fn fn, void *apimsg, sys_sem_t *sem)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip_8c_source.html#l00322">tcpip.c:322</a></div></div>
<div class="ttc" id="audp_8h_html"><div class="ttname"><a href="udp_8h.html">udp.h</a></div></div>
<div class="ttc" id="asys_8h_html_ac1495030a8ab5e1f3c89e42ced527c5b"><div class="ttname"><a href="sys_8h.html#ac1495030a8ab5e1f3c89e42ced527c5b">SYS_ARCH_TIMEOUT</a></div><div class="ttdeci">#define SYS_ARCH_TIMEOUT</div><div class="ttdef"><b>Definition:</b> <a href="sys_8h_source.html#l00047">sys.h:47</a></div></div>
<div class="ttc" id="atcpip_8h_html_a35203296bb838f3b493839ffc6e7285d"><div class="ttname"><a href="tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a></div><div class="ttdeci">void(* tcpip_callback_fn)(void *ctx)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip_8h_source.html#l00070">tcpip.h:70</a></div></div>
<div class="ttc" id="amemp_8h_html"><div class="ttname"><a href="memp_8h.html">memp.h</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a3518256af0d1a422755a899b13c2b563"><div class="ttname"><a href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a></div><div class="ttdeci">#define API_VAR_REF(name)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip__priv_8h_source.html#l00082">tcpip_priv.h:82</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00075">err.h:75</a></div></div>
<div class="ttc" id="astructpbuf_html"><div class="ttname"><a href="structpbuf.html">pbuf</a></div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8h_source.html#l00142">pbuf.h:142</a></div></div>
<div class="ttc" id="adebug_8h_html_a63a04edf7ff63c951bd8706711956cdb"><div class="ttname"><a href="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="debug_8h_source.html#l00164">debug.h:164</a></div></div>
<div class="ttc" id="aapi__msg_8h_html"><div class="ttname"><a href="api__msg_8h.html">api_msg.h</a></div></div>
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