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<div class="title">udpecho.c</div> </div>
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<a href="udpecho_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> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2001, Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights reserved. </span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without </span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * modification, are permitted provided that the following conditions </span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * are met: </span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright </span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * notice, this list of conditions and the following disclaimer. </span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright </span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in the </span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * documentation and/or other materials provided with the distribution. </span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors </span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * may be used to endorse or promote products derived from this software </span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * without specific prior written permission. </span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND </span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE </span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS </span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) </span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT </span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY </span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF </span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * SUCH DAMAGE. </span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</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"> * Author: Adam Dunkels <adam@sics.se></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * $Id: udpecho.c 54 2016-01-11 01:29:55Z reddawg $</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="include_2sys_2types_8h.html">sys/types.h</a>></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="kprintf_8h.html">lib/kprintf.h</a>></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="api_8h.html">net/api.h</a>"</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="sys_8h.html">net/sys.h</a>"</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">/*-----------------------------------------------------------------------------------*/</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="udpecho_8c.html#acd77ce4346d8d940f934ad6007214bf0"> 43</a></span> <span class="keywordtype">void</span> <a class="code" href="udpecho_8c.html#acd77ce4346d8d940f934ad6007214bf0">udpecho_thread</a>(<span class="keywordtype">void</span> *arg) {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">static</span> <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">static</span> <span class="keyword">struct </span>netbuf *<a class="code" href="structbuf.html">buf</a>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">static</span> <span class="keyword">struct </span>ip_addr *addr;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> port;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">char</span> <a class="code" href="shell_8c.html#aff2566f4c366b48d73479bef43ee4d2e">buffer</a>[4096];</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  conn = netconn_new(NETCONN_UDP);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  netconn_bind(conn, <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 7);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="structbuf.html">buf</a> = netconn_recv(conn);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  addr = netbuf_fromaddr(<a class="code" href="structbuf.html">buf</a>);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  port = netbuf_fromport(<a class="code" href="structbuf.html">buf</a>);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  netconn_connect(conn, addr, port);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  netconn_send(conn, <a class="code" href="structbuf.html">buf</a>);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  netbuf_copy(<a class="code" href="structbuf.html">buf</a>, <a class="code" href="shell_8c.html#aff2566f4c366b48d73479bef43ee4d2e">buffer</a>, <span class="keyword">sizeof</span>(<a class="code" href="shell_8c.html#aff2566f4c366b48d73479bef43ee4d2e">buffer</a>));</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  netbuf_delete(<a class="code" href="structbuf.html">buf</a>);</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> }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/*-----------------------------------------------------------------------------------*/</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="udpecho_8h.html#ab288cc2f0b684d8cffe7f074724127e2"> 64</a></span> <span class="keywordtype">void</span> <a class="code" href="udpecho_8c.html#ab288cc2f0b684d8cffe7f074724127e2">udpecho_init</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="group__sys__misc.html#ga0d596afdd8dbcfad320172d39b0f607a">sys_thread_new</a>(<a class="code" href="udpecho_8c.html#acd77ce4346d8d940f934ad6007214bf0">udpecho_thread</a>, <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div>
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<div class="ttc" id="agroup__sys__misc_html_ga0d596afdd8dbcfad320172d39b0f607a"><div class="ttname"><a href="group__sys__misc.html#ga0d596afdd8dbcfad320172d39b0f607a">sys_thread_new</a></div><div class="ttdeci">sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stacksize, int prio)</div><div class="ttdef"><b>Definition:</b> <a href="sys__arch_8c_source.html#l00379">sys_arch.c:379</a></div></div>
<div class="ttc" id="audpecho_8c_html_ab288cc2f0b684d8cffe7f074724127e2"><div class="ttname"><a href="udpecho_8c.html#ab288cc2f0b684d8cffe7f074724127e2">udpecho_init</a></div><div class="ttdeci">void udpecho_init(void)</div><div class="ttdef"><b>Definition:</b> <a href="udpecho_8c_source.html#l00064">udpecho.c:64</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html"><div class="ttname"><a href="include_2sys_2types_8h.html">types.h</a></div></div>
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<div class="ttc" id="audpecho_8c_html_acd77ce4346d8d940f934ad6007214bf0"><div class="ttname"><a href="udpecho_8c.html#acd77ce4346d8d940f934ad6007214bf0">udpecho_thread</a></div><div class="ttdeci">void udpecho_thread(void *arg)</div><div class="ttdef"><b>Definition:</b> <a href="udpecho_8c_source.html#l00043">udpecho.c:43</a></div></div>
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