<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>UbixOS V2: src/sys/net/api/sockets.c Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
<link href="tabs.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.4.7 -->
<div class="tabs">
<ul>
<li><a href="main.html"><span>Main Page</span></a></li>
<li><a href="classes.html"><span>Data Structures</span></a></li>
<li id="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
<li>
<form action="search.php" method="get">
<table cellspacing="0" cellpadding="0" border="0">
<tr>
<td><label> <u>S</u>earch for </label></td>
<td><input type="text" name="query" value="" size="20" accesskey="s"/></td>
</tr>
</table>
</form>
</li>
</ul></div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul></div>
<div class="nav">
<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_da977d215fccd664f66e7711fda26f76.html">net</a> » <a class="el" href="dir_5377d826f41208e35c1e6ec985f139cd.html">api</a></div>
<h1>sockets.c</h1><a href="sockets_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2001, Swedish Institute of Computer Science.</span>
<a name="l00003"></a>00003 <span class="comment"> * All rights reserved. </span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without </span>
<a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions </span>
<a name="l00007"></a>00007 <span class="comment"> * are met: </span>
<a name="l00008"></a>00008 <span class="comment"> * 1. Redistributions of source code must retain the above copyright </span>
<a name="l00009"></a>00009 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
<a name="l00010"></a>00010 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright </span>
<a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the </span>
<a name="l00012"></a>00012 <span class="comment"> * documentation and/or other materials provided with the distribution. </span>
<a name="l00013"></a>00013 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors </span>
<a name="l00014"></a>00014 <span class="comment"> * may be used to endorse or promote products derived from this software </span>
<a name="l00015"></a>00015 <span class="comment"> * without specific prior written permission. </span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND </span>
<a name="l00018"></a>00018 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span>
<a name="l00019"></a>00019 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </span>
<a name="l00020"></a>00020 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE </span>
<a name="l00021"></a>00021 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span>
<a name="l00022"></a>00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS </span>
<a name="l00023"></a>00023 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) </span>
<a name="l00024"></a>00024 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT </span>
<a name="l00025"></a>00025 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY </span>
<a name="l00026"></a>00026 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF </span>
<a name="l00027"></a>00027 <span class="comment"> * SUCH DAMAGE. </span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span>
<a name="l00030"></a>00030 <span class="comment"> * </span>
<a name="l00031"></a>00031 <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span>
<a name="l00032"></a>00032 <span class="comment"> *</span>
<a name="l00033"></a>00033 <span class="comment"> * $Id: sockets_8c-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00034"></a>00034 <span class="comment"> */</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#include <<a class="code" href="types_8h.html">ubixos/types.h</a>></span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="debug_8h.html">net/debug.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="api_8h.html">net/api.h</a>"</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="sockets_8h.html">net/sockets.h</a>"</span>
<a name="l00042"></a>00042
<a name="l00043"></a><a class="code" href="sockets_8c.html#1c803e4ececfb47d2791c9283c85eb00">00043</a> <span class="preprocessor">#define NUM_SOCKETS 10</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span>
<a name="l00045"></a><a class="code" href="structlwip__socket.html">00045</a> <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> {
<a name="l00046"></a><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">00046</a> <span class="keyword">struct </span><a class="code" href="structnetconn.html">netconn</a> *<a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>;
<a name="l00047"></a><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">00047</a> <span class="keyword">struct </span><a class="code" href="structnetbuf.html">netbuf</a> *<a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a>;
<a name="l00048"></a><a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">00048</a> <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> <a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">lastoffset</a>;
<a name="l00049"></a>00049 };
<a name="l00050"></a>00050
<a name="l00051"></a><a class="code" href="sockets_8c.html#f7251745bb404cb82fd45c10982fb9f8">00051</a> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> <a class="code" href="sockets_8c.html#f7251745bb404cb82fd45c10982fb9f8">sockets</a>[<a class="code" href="sockets_8c.html#1c803e4ececfb47d2791c9283c85eb00">NUM_SOCKETS</a>];
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00054"></a>00054 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *
<a name="l00055"></a><a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">00055</a> <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(<span class="keywordtype">int</span> s)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordflow">if</span>(s > <a class="code" href="sockets_8c.html#1c803e4ececfb47d2791c9283c85eb00">NUM_SOCKETS</a>) {
<a name="l00060"></a>00060 <span class="comment">/* errno = EBADF; */</span>
<a name="l00061"></a>00061 <span class="keywordflow">return</span> <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 sock = &<a class="code" href="sockets_8c.html#f7251745bb404cb82fd45c10982fb9f8">sockets</a>[s];
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordflow">if</span>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a> == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00067"></a>00067 <span class="comment">/* errno = EBADF; */</span>
<a name="l00068"></a>00068 <span class="keywordflow">return</span> <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070 <span class="keywordflow">return</span> sock;
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00074"></a><a class="code" href="sockets_8c.html#cfcb93611c8f8e67e69d87561a72c3ee">00074</a> <a class="code" href="sockets_8c.html#cfcb93611c8f8e67e69d87561a72c3ee">alloc_socket</a>(<span class="keyword">struct</span> <a class="code" href="structnetconn.html">netconn</a> *newconn)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordtype">int</span> i;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">/* allocate a new socket identifier */</span>
<a name="l00079"></a>00079 <span class="keywordflow">for</span>(i = 0; i < <a class="code" href="sockets_8c.html#1c803e4ececfb47d2791c9283c85eb00">NUM_SOCKETS</a>; ++i) {
<a name="l00080"></a>00080 <span class="keywordflow">if</span>(<a class="code" href="sockets_8c.html#f7251745bb404cb82fd45c10982fb9f8">sockets</a>[i].<a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a> == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00081"></a>00081 <a class="code" href="sockets_8c.html#f7251745bb404cb82fd45c10982fb9f8">sockets</a>[i].<a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a> = newconn;
<a name="l00082"></a>00082 <a class="code" href="sockets_8c.html#f7251745bb404cb82fd45c10982fb9f8">sockets</a>[i].<a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a> = <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00083"></a>00083 <a class="code" href="sockets_8c.html#f7251745bb404cb82fd45c10982fb9f8">sockets</a>[i].<a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">lastoffset</a> = 0;
<a name="l00084"></a>00084 <span class="keywordflow">return</span> i;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 <span class="keywordflow">return</span> -1;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00090"></a>00090 <span class="keywordtype">int</span>
<a name="l00091"></a><a class="code" href="sockets_8c.html#f32c7d1377562b7b35fdd0535f6fa952">00091</a> <a class="code" href="sockets_8h.html#f32c7d1377562b7b35fdd0535f6fa952">lwip_accept</a>(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> <a class="code" href="structsockaddr.html">sockaddr</a> *addr, <span class="keywordtype">int</span> *addrlen)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00094"></a>00094 <span class="keyword">struct </span><a class="code" href="structnetconn.html">netconn</a> *newconn;
<a name="l00095"></a>00095 <span class="keyword">struct </span><a class="code" href="structip__addr.html">ip_addr</a> *naddr;
<a name="l00096"></a>00096 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> port;
<a name="l00097"></a>00097 <span class="keywordtype">int</span> newsock;
<a name="l00098"></a>00098
<a name="l00099"></a>00099 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00100"></a>00100 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00101"></a>00101 <span class="keywordflow">return</span> -1;
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104 newconn = <a class="code" href="api_8h.html#b1ef5f260ad8147a3b5b70b317b489d2">netconn_accept</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>);
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="comment">/* get the IP address and port of the remote host */</span>
<a name="l00107"></a>00107 <a class="code" href="api_8h.html#afa4042fd63fd78a440006eb4da36eeb">netconn_peer</a>(newconn, &naddr, &port);
<a name="l00108"></a>00108
<a name="l00109"></a>00109 ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)addr)->sin_addr.s_addr = naddr-><a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a>;
<a name="l00110"></a>00110 ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)addr)->sin_port = port;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 newsock = <a class="code" href="sockets_8c.html#cfcb93611c8f8e67e69d87561a72c3ee">alloc_socket</a>(newconn);
<a name="l00113"></a>00113 <span class="keywordflow">if</span>(newsock == -1) {
<a name="l00114"></a>00114 <a class="code" href="api_8h.html#b411221f912a6d9e4c82ac3963989403">netconn_delete</a>(newconn);
<a name="l00115"></a>00115 <span class="comment">/* errno = ENOBUFS; */</span>
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 <span class="keywordflow">return</span> newsock;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00120"></a>00120 <span class="keywordtype">int</span>
<a name="l00121"></a><a class="code" href="sockets_8c.html#1675042812d3bc6d5f9eeaa28c8f37a7">00121</a> <a class="code" href="sockets_8h.html#1675042812d3bc6d5f9eeaa28c8f37a7">lwip_bind</a>(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> <a class="code" href="structsockaddr.html">sockaddr</a> *<a class="code" href="pci_8c.html#8f8f80d37794cde9472343e4487ba3eb">name</a>, <span class="keywordtype">int</span> namelen)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00124"></a>00124 <span class="keyword">struct </span><a class="code" href="structip__addr.html">ip_addr</a> remote_addr;
<a name="l00125"></a>00125 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> remote_port;
<a name="l00126"></a>00126 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a> err;
<a name="l00127"></a>00127
<a name="l00128"></a>00128 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00129"></a>00129 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00130"></a>00130 <span class="keywordflow">return</span> -1;
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 remote_addr.<a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a> = ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)<a class="code" href="pci_8c.html#8f8f80d37794cde9472343e4487ba3eb">name</a>)->sin_addr.s_addr;
<a name="l00134"></a>00134 remote_port = ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)<a class="code" href="pci_8c.html#8f8f80d37794cde9472343e4487ba3eb">name</a>)->sin_port;
<a name="l00135"></a>00135
<a name="l00136"></a>00136 err = <a class="code" href="api_8h.html#dc842fc0f1de512895ef3cc9c657272a">netconn_bind</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, &remote_addr, <a class="code" href="ipv4_2inet_8h.html#118e9d76568ab81ad97f138d4ea1ddd2">ntohs</a>(remote_port));
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keywordflow">if</span>(err != <a class="code" href="err_8h.html#98c763adfeea8e9831c46ec269e47ae9">ERR_OK</a>) {
<a name="l00139"></a>00139 <span class="comment">/* errno = ... */</span>
<a name="l00140"></a>00140 <span class="keywordflow">return</span> -1;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keywordflow">return</span> 0;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00146"></a>00146 <span class="keywordtype">int</span>
<a name="l00147"></a><a class="code" href="sockets_8c.html#fd0897a2e23d99a5dffcc976c7e5d72c">00147</a> <a class="code" href="sockets_8h.html#fd0897a2e23d99a5dffcc976c7e5d72c">lwip_close</a>(<span class="keywordtype">int</span> s)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <a class="code" href="debug_8h.html#8b52c1fca5671ffbfe068c8d50ca0065">DEBUGF</a>(<a class="code" href="debug_8h.html#509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"close: socket %d\n"</span>, s));
<a name="l00152"></a>00152 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00153"></a>00153 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00154"></a>00154 <span class="keywordflow">return</span> -1;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <a class="code" href="api_8h.html#b411221f912a6d9e4c82ac3963989403">netconn_delete</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>);
<a name="l00159"></a>00159 <span class="keywordflow">if</span>(sock-><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a> != <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00160"></a>00160 <a class="code" href="api_8h.html#9dfd3ddfe0ec65009cb140c68404b09d">netbuf_delete</a>(sock-><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a>);
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 sock-><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a> = <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00163"></a>00163 sock-><a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">lastoffset</a> = 0;
<a name="l00164"></a>00164 sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a> = <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00165"></a>00165 <span class="keywordflow">return</span> 0;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00168"></a>00168 <span class="keywordtype">int</span>
<a name="l00169"></a><a class="code" href="sockets_8c.html#9688d733f4d571cef85948fe74e0f6c7">00169</a> <a class="code" href="sockets_8h.html#9688d733f4d571cef85948fe74e0f6c7">lwip_connect</a>(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> <a class="code" href="structsockaddr.html">sockaddr</a> *<a class="code" href="pci_8c.html#8f8f80d37794cde9472343e4487ba3eb">name</a>, <span class="keywordtype">int</span> namelen)
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00172"></a>00172 <span class="keyword">struct </span><a class="code" href="structip__addr.html">ip_addr</a> remote_addr;
<a name="l00173"></a>00173 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> remote_port;
<a name="l00174"></a>00174 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a> err;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00177"></a>00177 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00178"></a>00178 <span class="keywordflow">return</span> -1;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 remote_addr.<a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a> = ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)<a class="code" href="pci_8c.html#8f8f80d37794cde9472343e4487ba3eb">name</a>)->sin_addr.s_addr;
<a name="l00182"></a>00182 remote_port = ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)<a class="code" href="pci_8c.html#8f8f80d37794cde9472343e4487ba3eb">name</a>)->sin_port;
<a name="l00183"></a>00183
<a name="l00184"></a>00184 err = <a class="code" href="api_8h.html#40e08b372ad246ec7d2a7c9b1a2bd8fb">netconn_connect</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, &remote_addr, <a class="code" href="ipv4_2inet_8h.html#118e9d76568ab81ad97f138d4ea1ddd2">ntohs</a>(remote_port));
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordflow">if</span>(err != <a class="code" href="err_8h.html#98c763adfeea8e9831c46ec269e47ae9">ERR_OK</a>) {
<a name="l00187"></a>00187 <span class="comment">/* errno = ... */</span>
<a name="l00188"></a>00188 <span class="keywordflow">return</span> -1;
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="keywordflow">return</span> 0;
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00194"></a>00194 <span class="keywordtype">int</span>
<a name="l00195"></a><a class="code" href="sockets_8c.html#bee6ee286147cf334a1ba19f19b2e08b">00195</a> <a class="code" href="sockets_8h.html#bee6ee286147cf334a1ba19f19b2e08b">lwip_listen</a>(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> backlog)
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00198"></a>00198 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a> err;
<a name="l00199"></a>00199
<a name="l00200"></a>00200 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00201"></a>00201 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00202"></a>00202 <span class="keywordflow">return</span> -1;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 err = <a class="code" href="api_8h.html#b917e0fc541447d966e5cf712ce24e58">netconn_listen</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>);
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">if</span>(err != <a class="code" href="err_8h.html#98c763adfeea8e9831c46ec269e47ae9">ERR_OK</a>) {
<a name="l00208"></a>00208 <span class="comment">/* errno = ... */</span>
<a name="l00209"></a>00209 <span class="keywordflow">return</span> -1;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keywordflow">return</span> 0;
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00215"></a>00215 <span class="keywordtype">int</span>
<a name="l00216"></a><a class="code" href="sockets_8c.html#a433d1ebe9c87f57160c0d260e225705">00216</a> <a class="code" href="sockets_8h.html#a433d1ebe9c87f57160c0d260e225705">lwip_recvfrom</a>(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *mem, <span class="keywordtype">int</span> len, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags,
<a name="l00217"></a>00217 <span class="keyword">struct</span> <a class="code" href="structsockaddr.html">sockaddr</a> *from, <span class="keywordtype">int</span> *fromlen)
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00220"></a>00220 <span class="keyword">struct </span><a class="code" href="structnetbuf.html">netbuf</a> *<a class="code" href="structbuf.html">buf</a>;
<a name="l00221"></a>00221 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> buflen, copylen;
<a name="l00222"></a>00222 <span class="keyword">struct </span><a class="code" href="structip__addr.html">ip_addr</a> *<a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a>;
<a name="l00223"></a>00223 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> port;
<a name="l00224"></a>00224
<a name="l00225"></a>00225
<a name="l00226"></a>00226 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00227"></a>00227 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00228"></a>00228 <span class="keywordflow">return</span> -1;
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="comment">/* Check if there is data left from the last recv operation. */</span>
<a name="l00232"></a>00232 <span class="keywordflow">if</span>(sock-><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a> != <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00233"></a>00233 buf = sock-><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a>;
<a name="l00234"></a>00234 } <span class="keywordflow">else</span> {
<a name="l00235"></a>00235 <span class="comment">/* No data was left from the previous operation, so we try to get</span>
<a name="l00236"></a>00236 <span class="comment"> some from the network. */</span>
<a name="l00237"></a>00237 buf = <a class="code" href="api_8h.html#cbd0b5a0344c2c3fffe5a02445a2c2b3">netconn_recv</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>);
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keywordflow">if</span>(buf == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00240"></a>00240 <span class="comment">/* We should really do some error checking here. */</span>
<a name="l00241"></a>00241 <span class="keywordflow">return</span> 0;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245 buflen = <a class="code" href="api_8h.html#6d20eca8f0316e4e71980108c1563581">netbuf_len</a>(buf);
<a name="l00246"></a>00246
<a name="l00247"></a>00247 buflen -= sock-><a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">lastoffset</a>;
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <span class="keywordflow">if</span>(len > buflen) {
<a name="l00250"></a>00250 copylen = buflen;
<a name="l00251"></a>00251 } <span class="keywordflow">else</span> {
<a name="l00252"></a>00252 copylen = len;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="comment">/* copy the contents of the received buffer into</span>
<a name="l00256"></a>00256 <span class="comment"> the supplied memory pointer mem */</span>
<a name="l00257"></a>00257 <a class="code" href="api_8h.html#9a5f4f669674daa2f3b7b303d7cea915">netbuf_copy_partial</a>(buf, mem, copylen, sock-><a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">lastoffset</a>);
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="comment">/* If this is a TCP socket, check if there is data left in the</span>
<a name="l00260"></a>00260 <span class="comment"> buffer. If so, it should be saved in the sock structure for next</span>
<a name="l00261"></a>00261 <span class="comment"> time around. */</span>
<a name="l00262"></a>00262 <span class="keywordflow">if</span>(<a class="code" href="api_8h.html#5ab1d6bb5e45b28125312f1b3c840853">netconn_type</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>) == <a class="code" href="api_8h.html#aba260d28d105fb4bce9185fd0300d9175d14318b91af7a452230189f47e5e1a">NETCONN_TCP</a> && buflen - copylen > 0) {
<a name="l00263"></a>00263 sock-><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a> = buf;
<a name="l00264"></a>00264 sock-><a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">lastoffset</a> = buflen - copylen;
<a name="l00265"></a>00265 } <span class="keywordflow">else</span> {
<a name="l00266"></a>00266 sock-><a class="code" href="structlwip__socket.html#f648ad335e1a066b00801f992d0de3a8">lastdata</a> = <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00267"></a>00267 sock-><a class="code" href="structlwip__socket.html#548897cb34e4f6254c0d466af80596ae">lastoffset</a> = 0;
<a name="l00268"></a>00268 <a class="code" href="api_8h.html#9dfd3ddfe0ec65009cb140c68404b09d">netbuf_delete</a>(buf);
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="comment">/* Check to see from where the data was. */</span>
<a name="l00272"></a>00272 <span class="keywordflow">if</span>(from != <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && fromlen != <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00273"></a>00273 <a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a> = <a class="code" href="api_8h.html#8dd3c0551aa79d162b224ea5cd815b55">netbuf_fromaddr</a>(buf);
<a name="l00274"></a>00274 port = <a class="code" href="ipv4_2inet_8h.html#b7fffd06ef1d1a7d34f99eedbb9f44dd">htons</a>(<a class="code" href="api_8h.html#6294b37d1aba1478329e1f084f39db5d">netbuf_fromport</a>(buf));
<a name="l00275"></a>00275 ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)from)->sin_addr.s_addr = addr-><a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a>;
<a name="l00276"></a>00276 ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)from)->sin_port = port;
<a name="l00277"></a>00277 *fromlen = <span class="keyword">sizeof</span>(<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a>);
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="comment">/* if the length of the received data is larger than</span>
<a name="l00282"></a>00282 <span class="comment"> len, this data is discarded and we return len.</span>
<a name="l00283"></a>00283 <span class="comment"> otherwise we return the actual length of the received</span>
<a name="l00284"></a>00284 <span class="comment"> data */</span>
<a name="l00285"></a>00285 <span class="keywordflow">if</span>(len > copylen) {
<a name="l00286"></a>00286 <span class="keywordflow">return</span> copylen;
<a name="l00287"></a>00287 } <span class="keywordflow">else</span> {
<a name="l00288"></a>00288 <span class="keywordflow">return</span> len;
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00292"></a>00292 <span class="keywordtype">int</span>
<a name="l00293"></a><a class="code" href="sockets_8c.html#6853356e8156a0b652fa13105dd77397">00293</a> <a class="code" href="sockets_8h.html#6853356e8156a0b652fa13105dd77397">lwip_read</a>(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *mem, <span class="keywordtype">int</span> len)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 <span class="keywordflow">return</span> <a class="code" href="sockets_8h.html#47db87caa9030759f3ffd872df113661">lwip_recv</a>(s, mem, len, 0);
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00298"></a>00298 <span class="keywordtype">int</span>
<a name="l00299"></a><a class="code" href="sockets_8c.html#47db87caa9030759f3ffd872df113661">00299</a> <a class="code" href="sockets_8h.html#47db87caa9030759f3ffd872df113661">lwip_recv</a>(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *mem, <span class="keywordtype">int</span> len, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="keywordflow">return</span> <a class="code" href="sockets_8h.html#a433d1ebe9c87f57160c0d260e225705">lwip_recvfrom</a>(s, mem, len, flags, <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00304"></a>00304 <span class="keywordtype">int</span>
<a name="l00305"></a><a class="code" href="sockets_8c.html#cb3ba0c7f21116c629f116e15e40ce2b">00305</a> <a class="code" href="sockets_8h.html#a36cb527b3501bc2ce42f7283a010e7a">lwip_send</a>(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *data, <span class="keywordtype">int</span> size, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00306"></a>00306 {
<a name="l00307"></a>00307 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00308"></a>00308 <span class="keyword">struct </span><a class="code" href="structnetbuf.html">netbuf</a> *<a class="code" href="structbuf.html">buf</a>;
<a name="l00309"></a>00309 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a> <a class="code" href="structnetbuf.html#efd0b92792db1bdb3547d1f1d3212f67">err</a>;
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <a class="code" href="debug_8h.html#8b52c1fca5671ffbfe068c8d50ca0065">DEBUGF</a>(<a class="code" href="debug_8h.html#509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"send: socket %d, size %d\n"</span>, s, size));
<a name="l00312"></a>00312
<a name="l00313"></a>00313 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00314"></a>00314 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00315"></a>00315 <span class="keywordflow">return</span> -1;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317
<a name="l00318"></a>00318 <span class="keywordflow">switch</span>(<a class="code" href="api_8h.html#5ab1d6bb5e45b28125312f1b3c840853">netconn_type</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>)) {
<a name="l00319"></a>00319 <span class="keywordflow">case</span> <a class="code" href="api_8h.html#aba260d28d105fb4bce9185fd0300d916b8ec191d69f7e639f4ab40779069636">NETCONN_UDP</a>:
<a name="l00320"></a>00320 <span class="comment">/* create a buffer */</span>
<a name="l00321"></a>00321 buf = <a class="code" href="api_8h.html#aba704cd963e35e71145de9f5112991d">netbuf_new</a>();
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="keywordflow">if</span>(buf == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00324"></a>00324 <span class="comment">/* errno = ENOBUFS; */</span>
<a name="l00325"></a>00325 <span class="keywordflow">return</span> -1;
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="comment">/* make the buffer point to the data that should</span>
<a name="l00329"></a>00329 <span class="comment"> be sent */</span>
<a name="l00330"></a>00330 <a class="code" href="api_8h.html#f038b56dbdd67a6e48bf0125c8ef61ba">netbuf_ref</a>(buf, data, size);
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="comment">/* send the data */</span>
<a name="l00333"></a>00333 err = <a class="code" href="api_8h.html#c4d4d10153d47c80a783c34b27c66238">netconn_send</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, buf);
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="comment">/* deallocated the buffer */</span>
<a name="l00336"></a>00336 <a class="code" href="api_8h.html#9dfd3ddfe0ec65009cb140c68404b09d">netbuf_delete</a>(buf);
<a name="l00337"></a>00337 <span class="keywordflow">break</span>;
<a name="l00338"></a>00338 <span class="keywordflow">case</span> <a class="code" href="api_8h.html#aba260d28d105fb4bce9185fd0300d9175d14318b91af7a452230189f47e5e1a">NETCONN_TCP</a>:
<a name="l00339"></a>00339 err = <a class="code" href="api_8h.html#9363929b6c680bc1dd3f302885128959">netconn_write</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, data, size, <a class="code" href="api_8h.html#482106705a409ffb01daa6b18c159e5f">NETCONN_COPY</a>);
<a name="l00340"></a>00340 <span class="keywordflow">break</span>;
<a name="l00341"></a>00341 <span class="keywordflow">default</span>:
<a name="l00342"></a>00342 err = <a class="code" href="err_8h.html#8700518a3e3d0c7a4439a37dcbcf2143">ERR_ARG</a>;
<a name="l00343"></a>00343 <span class="keywordflow">break</span>;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345 <span class="keywordflow">if</span>(err != <a class="code" href="err_8h.html#98c763adfeea8e9831c46ec269e47ae9">ERR_OK</a>) {
<a name="l00346"></a>00346 <span class="comment">/* errno = ... */</span>
<a name="l00347"></a>00347 <span class="keywordflow">return</span> -1;
<a name="l00348"></a>00348 }
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <span class="keywordflow">return</span> size;
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00353"></a>00353 <span class="keywordtype">int</span>
<a name="l00354"></a><a class="code" href="sockets_8c.html#8dba95d254d6cb221ba4039ad8f3337b">00354</a> <a class="code" href="sockets_8h.html#a8c27aa2c136dc815369a23d29e4f904">lwip_sendto</a>(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *data, <span class="keywordtype">int</span> size, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags,
<a name="l00355"></a>00355 <span class="keyword">struct</span> <a class="code" href="structsockaddr.html">sockaddr</a> *to, <span class="keywordtype">int</span> tolen)
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00358"></a>00358 <span class="keyword">struct </span><a class="code" href="structip__addr.html">ip_addr</a> remote_addr, *<a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a>;
<a name="l00359"></a>00359 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> remote_port, port;
<a name="l00360"></a>00360 <span class="keywordtype">int</span> ret;
<a name="l00361"></a>00361
<a name="l00362"></a>00362 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00363"></a>00363 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00364"></a>00364 <span class="keywordflow">return</span> -1;
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="comment">/* get the peer if currently connected */</span>
<a name="l00368"></a>00368 <a class="code" href="api_8h.html#afa4042fd63fd78a440006eb4da36eeb">netconn_peer</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, &<a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a>, &port);
<a name="l00369"></a>00369
<a name="l00370"></a>00370 remote_addr.<a class="code" href="structip__addr.html#aca6b7136a4c4efb4e0da1384d76f4b5">addr</a> = ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)to)->sin_addr.s_addr;
<a name="l00371"></a>00371 remote_port = ((<span class="keyword">struct </span><a class="code" href="structsockaddr__in.html">sockaddr_in</a> *)to)->sin_port;
<a name="l00372"></a>00372 <a class="code" href="api_8h.html#40e08b372ad246ec7d2a7c9b1a2bd8fb">netconn_connect</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, &remote_addr, remote_port);
<a name="l00373"></a>00373
<a name="l00374"></a>00374 ret = <a class="code" href="sockets_8h.html#a36cb527b3501bc2ce42f7283a010e7a">lwip_send</a>(s, data, size, flags);
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="comment">/* reset the remote address and port number</span>
<a name="l00377"></a>00377 <span class="comment"> of the connection */</span>
<a name="l00378"></a>00378 <a class="code" href="api_8h.html#40e08b372ad246ec7d2a7c9b1a2bd8fb">netconn_connect</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, addr, port);
<a name="l00379"></a>00379 <span class="keywordflow">return</span> ret;
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00382"></a>00382 <span class="keywordtype">int</span>
<a name="l00383"></a><a class="code" href="sockets_8c.html#d1afafec89b608d54649d7d02117d17c">00383</a> <a class="code" href="sockets_8h.html#d1afafec89b608d54649d7d02117d17c">lwip_socket</a>(<span class="keywordtype">int</span> domain, <span class="keywordtype">int</span> type, <span class="keywordtype">int</span> protocol)
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385 <span class="keyword">struct </span><a class="code" href="structnetconn.html">netconn</a> *conn;
<a name="l00386"></a>00386 <span class="keywordtype">int</span> i;
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="comment">/* create a netconn */</span>
<a name="l00389"></a>00389 <span class="keywordflow">switch</span>(type) {
<a name="l00390"></a>00390 <span class="keywordflow">case</span> <a class="code" href="sockets_8h.html#4db8b9a846c67404db0b6f014f9a9fdf">SOCK_DGRAM</a>:
<a name="l00391"></a>00391 conn = <a class="code" href="api_8h.html#935860c5a91e85457369b6f558e638fd">netconn_new</a>(<a class="code" href="api_8h.html#aba260d28d105fb4bce9185fd0300d916b8ec191d69f7e639f4ab40779069636">NETCONN_UDP</a>);
<a name="l00392"></a>00392 <span class="keywordflow">break</span>;
<a name="l00393"></a>00393 <span class="keywordflow">case</span> <a class="code" href="sockets_8h.html#249394484f9410a2e3f8eba24657feb9">SOCK_STREAM</a>:
<a name="l00394"></a>00394 conn = <a class="code" href="api_8h.html#935860c5a91e85457369b6f558e638fd">netconn_new</a>(<a class="code" href="api_8h.html#aba260d28d105fb4bce9185fd0300d9175d14318b91af7a452230189f47e5e1a">NETCONN_TCP</a>);
<a name="l00395"></a>00395 <span class="keywordflow">break</span>;
<a name="l00396"></a>00396 <span class="keywordflow">default</span>:
<a name="l00397"></a>00397 <span class="comment">/* errno = ... */</span>
<a name="l00398"></a>00398 <span class="keywordflow">return</span> -1;
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordflow">if</span>(conn == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00402"></a>00402 <a class="code" href="debug_8h.html#8b52c1fca5671ffbfe068c8d50ca0065">DEBUGF</a>(<a class="code" href="debug_8h.html#509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"socket: could not create netconn.\n"</span>));
<a name="l00403"></a>00403 <span class="comment">/* errno = ENOBUFS; */</span>
<a name="l00404"></a>00404 <span class="keywordflow">return</span> -1;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406
<a name="l00407"></a>00407 i = <a class="code" href="sockets_8c.html#cfcb93611c8f8e67e69d87561a72c3ee">alloc_socket</a>(conn);
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="keywordflow">if</span>(i == -1) {
<a name="l00410"></a>00410 <span class="comment">/* errno = ENOBUFS; */</span>
<a name="l00411"></a>00411 <a class="code" href="api_8h.html#b411221f912a6d9e4c82ac3963989403">netconn_delete</a>(conn);
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413 <span class="keywordflow">return</span> i;
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00416"></a>00416 <span class="keywordtype">int</span>
<a name="l00417"></a><a class="code" href="sockets_8c.html#e3d92ccb1ddfafe7df89185dbc881ec2">00417</a> <a class="code" href="sockets_8h.html#a5c59086cba10ace01715c8fa7348239">lwip_write</a>(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *data, <span class="keywordtype">int</span> size)
<a name="l00418"></a>00418 {
<a name="l00419"></a>00419 <span class="keyword">struct </span><a class="code" href="structlwip__socket.html">lwip_socket</a> *sock;
<a name="l00420"></a>00420 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a> err;
<a name="l00421"></a>00421
<a name="l00422"></a>00422 <a class="code" href="debug_8h.html#8b52c1fca5671ffbfe068c8d50ca0065">DEBUGF</a>(<a class="code" href="debug_8h.html#509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"write: socket %d, size %d\n"</span>, s, size));
<a name="l00423"></a>00423
<a name="l00424"></a>00424 sock = <a class="code" href="sockets_8c.html#2c14650cba5521231ebeefa1ae807e67">get_socket</a>(s);
<a name="l00425"></a>00425 <span class="keywordflow">if</span>(sock == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00426"></a>00426 <span class="keywordflow">return</span> -1;
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428
<a name="l00429"></a>00429 <span class="keywordflow">switch</span>(<a class="code" href="api_8h.html#5ab1d6bb5e45b28125312f1b3c840853">netconn_type</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>)) {
<a name="l00430"></a>00430 <span class="keywordflow">case</span> <a class="code" href="api_8h.html#aba260d28d105fb4bce9185fd0300d916b8ec191d69f7e639f4ab40779069636">NETCONN_UDP</a>:
<a name="l00431"></a>00431 <span class="keywordflow">return</span> <a class="code" href="sockets_8h.html#a36cb527b3501bc2ce42f7283a010e7a">lwip_send</a>(s, data, size, 0);
<a name="l00432"></a>00432
<a name="l00433"></a>00433 <span class="keywordflow">case</span> <a class="code" href="api_8h.html#aba260d28d105fb4bce9185fd0300d9175d14318b91af7a452230189f47e5e1a">NETCONN_TCP</a>:
<a name="l00434"></a>00434 err = <a class="code" href="api_8h.html#9363929b6c680bc1dd3f302885128959">netconn_write</a>(sock-><a class="code" href="structlwip__socket.html#cc08f8cc9af8dc159e035769a2f70013">conn</a>, data, size, <a class="code" href="api_8h.html#482106705a409ffb01daa6b18c159e5f">NETCONN_COPY</a>);
<a name="l00435"></a>00435 <span class="keywordflow">break</span>;
<a name="l00436"></a>00436 <span class="keywordflow">default</span>:
<a name="l00437"></a>00437 err = <a class="code" href="err_8h.html#8700518a3e3d0c7a4439a37dcbcf2143">ERR_ARG</a>;
<a name="l00438"></a>00438 <span class="keywordflow">break</span>;
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440 <span class="keywordflow">if</span>(err != <a class="code" href="err_8h.html#98c763adfeea8e9831c46ec269e47ae9">ERR_OK</a>) {
<a name="l00441"></a>00441 <span class="comment">/* errno = ... */</span>
<a name="l00442"></a>00442 <span class="keywordflow">return</span> -1;
<a name="l00443"></a>00443 }
<a name="l00444"></a>00444 <span class="keywordflow">return</span> size;
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Dec 12 08:52:07 2006 for UbixOS V2 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
</body>
</html>
