<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>PolarSSL: polarssl/net.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body onload='searchBox.OnSelectItem(0);'> <!-- Generated by Doxygen 1.7.4 --> <script type="text/javascript"><!-- var searchBox = new SearchBox("searchBox", "search",false,'Search'); --></script> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">PolarSSL</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> 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href="globals.html"><span>File Members</span></a></li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#define-members">Defines</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">polarssl/net.h File Reference</div> </div> </div> <div class="contents"> <p><a href="net_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="define-members"></a> Defines</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8b8dc4d3104b157a2ade8da7831f48f1"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_UNKNOWN_HOST" ref="a8b8dc4d3104b157a2ade8da7831f48f1" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_UNKNOWN_HOST</b>   -0x0F00</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aec186e276d741e5aad9d8b4cd7ab0efd"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_SOCKET_FAILED" ref="aec186e276d741e5aad9d8b4cd7ab0efd" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_SOCKET_FAILED</b>   -0x0F10</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa316f63c8e1deda24d3ae1d146854474"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_CONNECT_FAILED" ref="aa316f63c8e1deda24d3ae1d146854474" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_CONNECT_FAILED</b>   -0x0F20</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a14395a416f051e26a9918052614b34d8"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_BIND_FAILED" ref="a14395a416f051e26a9918052614b34d8" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_BIND_FAILED</b>   -0x0F30</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a943010f94195f2f283a2b3d6ccea5422"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_LISTEN_FAILED" ref="a943010f94195f2f283a2b3d6ccea5422" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_LISTEN_FAILED</b>   -0x0F40</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad82bbf5012b60516118c5b85e4a73db9"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_ACCEPT_FAILED" ref="ad82bbf5012b60516118c5b85e4a73db9" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_ACCEPT_FAILED</b>   -0x0F50</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a03130c59c475bf1e8a89cf97c28972c6"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_RECV_FAILED" ref="a03130c59c475bf1e8a89cf97c28972c6" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_RECV_FAILED</b>   -0x0F60</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6a6129076b6fefa2d730b9173710f1fe"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_SEND_FAILED" ref="a6a6129076b6fefa2d730b9173710f1fe" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_SEND_FAILED</b>   -0x0F70</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab25ddd7b1e424e1168226dd268259360"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_CONN_RESET" ref="ab25ddd7b1e424e1168226dd268259360" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_CONN_RESET</b>   -0x0F80</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a10db7e1b002b8745d34e84ba08df67a3"></a><!-- doxytag: member="net.h::POLARSSL_ERR_NET_TRY_AGAIN" ref="a10db7e1b002b8745d34e84ba08df67a3" args="" --> #define </td><td class="memItemRight" valign="bottom"><b>POLARSSL_ERR_NET_TRY_AGAIN</b>   -0x0F90</td></tr> <tr><td colspan="2"><h2><a name="func-members"></a> Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a49c549b21517d6f905eb9845224f2773">net_connect</a> (int *fd, const char *host, int port)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Initiate a TCP connection with host:port. <a href="#a49c549b21517d6f905eb9845224f2773"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a070a7665a1c2c3a5dc4d78aeef0f29de">net_bind</a> (int *fd, const char *bind_ip, int port)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Create a listening socket on bind_ip:port. If bind_ip == NULL, all interfaces are binded. <a href="#a070a7665a1c2c3a5dc4d78aeef0f29de"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#aa7c66d2cf24804b92805eb6e598a9763">net_accept</a> (int bind_fd, int *client_fd, void *client_ip)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Accept a connection from a remote client. <a href="#aa7c66d2cf24804b92805eb6e598a9763"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a3b9985eaba07798c6f4d655fba05bb1b">net_set_block</a> (int fd)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Set the socket blocking. <a href="#a3b9985eaba07798c6f4d655fba05bb1b"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a8d15cfb98905e57d9f031a75d4c1dbbb">net_set_nonblock</a> (int fd)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Set the socket non-blocking. <a href="#a8d15cfb98905e57d9f031a75d4c1dbbb"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a2bcef97961f70e97e4cd9ec3ff16a6a6">net_usleep</a> (unsigned long usec)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Portable usleep helper. <a href="#a2bcef97961f70e97e4cd9ec3ff16a6a6"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a5dd839ef7bffc7935ee2f5426d088a18">net_recv</a> (void *ctx, unsigned char *buf, int len)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Read at most 'len' characters. If no error occurs, the actual amount read is returned. <a href="#a5dd839ef7bffc7935ee2f5426d088a18"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a576b7b85869e541c405dab55bb6208b7">net_send</a> (void *ctx, unsigned char *buf, int len)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Write at most 'len' characters. If no error occurs, the actual amount read is returned. <a href="#a576b7b85869e541c405dab55bb6208b7"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="net_8h.html#a1b0cf7ff43e2f8edb76e2f4724732cc6">net_close</a> (int fd)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Gracefully shutdown the connection. <a href="#a1b0cf7ff43e2f8edb76e2f4724732cc6"></a><br/></td></tr> </table> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>Copyright (C) 2006-2010, Brainspark B.V.</p> <p>This file is part of PolarSSL (<a href="http://www.polarssl.org">http://www.polarssl.org</a>) Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org></p> <p>All rights reserved.</p> <p>This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.</p> <p>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.</p> <p>You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. </p> </div><hr/><h2>Function Documentation</h2> <a class="anchor" id="aa7c66d2cf24804b92805eb6e598a9763"></a><!-- doxytag: member="net.h::net_accept" ref="aa7c66d2cf24804b92805eb6e598a9763" args="(int bind_fd, int *client_fd, void *client_ip)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int net_accept </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>bind_fd</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int * </td> <td class="paramname"><em>client_fd</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void * </td> <td class="paramname"><em>client_ip</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Accept a connection from a remote client. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">bind_fd</td><td>Relevant socket </td></tr> <tr><td class="paramname">client_fd</td><td>Will contain the connected client socket </td></tr> <tr><td class="paramname">client_ip</td><td>Will contain the client IP address</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, POLARSSL_ERR_NET_ACCEPT_FAILED, or POLARSSL_ERR_NET_WOULD_BLOCK is bind_fd was set to non-blocking and accept() is blocking. </dd></dl> </div> </div> <a class="anchor" id="a070a7665a1c2c3a5dc4d78aeef0f29de"></a><!-- doxytag: member="net.h::net_bind" ref="a070a7665a1c2c3a5dc4d78aeef0f29de" args="(int *fd, const char *bind_ip, int port)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int net_bind </td> <td>(</td> <td class="paramtype">int * </td> <td class="paramname"><em>fd</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>bind_ip</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>port</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Create a listening socket on bind_ip:port. If bind_ip == NULL, all interfaces are binded. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">fd</td><td>Socket to use </td></tr> <tr><td class="paramname">bind_ip</td><td>IP to bind to, can be NULL </td></tr> <tr><td class="paramname">port</td><td>Port number to use</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, or one of: POLARSSL_ERR_NET_SOCKET_FAILED, POLARSSL_ERR_NET_BIND_FAILED, POLARSSL_ERR_NET_LISTEN_FAILED </dd></dl> </div> </div> <a class="anchor" id="a1b0cf7ff43e2f8edb76e2f4724732cc6"></a><!-- doxytag: member="net.h::net_close" ref="a1b0cf7ff43e2f8edb76e2f4724732cc6" args="(int fd)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void net_close </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>fd</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Gracefully shutdown the connection. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">fd</td><td>The socket to close </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="a49c549b21517d6f905eb9845224f2773"></a><!-- doxytag: member="net.h::net_connect" ref="a49c549b21517d6f905eb9845224f2773" args="(int *fd, const char *host, int port)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int net_connect </td> <td>(</td> <td class="paramtype">int * </td> <td class="paramname"><em>fd</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>host</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>port</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Initiate a TCP connection with host:port. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">fd</td><td>Socket to use </td></tr> <tr><td class="paramname">host</td><td>Host to connect to </td></tr> <tr><td class="paramname">port</td><td>Port to connect to</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, or one of: POLARSSL_ERR_NET_SOCKET_FAILED, POLARSSL_ERR_NET_UNKNOWN_HOST, POLARSSL_ERR_NET_CONNECT_FAILED </dd></dl> </div> </div> <a class="anchor" id="a5dd839ef7bffc7935ee2f5426d088a18"></a><!-- doxytag: member="net.h::net_recv" ref="a5dd839ef7bffc7935ee2f5426d088a18" args="(void *ctx, unsigned char *buf, int len)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int net_recv </td> <td>(</td> <td class="paramtype">void * </td> <td class="paramname"><em>ctx</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned char * </td> <td class="paramname"><em>buf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>len</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Read at most 'len' characters. If no error occurs, the actual amount read is returned. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">ctx</td><td>Socket </td></tr> <tr><td class="paramname">buf</td><td>The buffer to write to </td></tr> <tr><td class="paramname">len</td><td>Maximum length of the buffer</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>This function returns the number of bytes received, or a non-zero error code; POLARSSL_ERR_NET_TRY_AGAIN indicates read() is blocking. </dd></dl> </div> </div> <a class="anchor" id="a576b7b85869e541c405dab55bb6208b7"></a><!-- doxytag: member="net.h::net_send" ref="a576b7b85869e541c405dab55bb6208b7" args="(void *ctx, unsigned char *buf, int len)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int net_send </td> <td>(</td> <td class="paramtype">void * </td> <td class="paramname"><em>ctx</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned char * </td> <td class="paramname"><em>buf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>len</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Write at most 'len' characters. If no error occurs, the actual amount read is returned. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">ctx</td><td>Socket </td></tr> <tr><td class="paramname">buf</td><td>The buffer to read from </td></tr> <tr><td class="paramname">len</td><td>The length of the buffer</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>This function returns the number of bytes sent, or a non-zero error code; POLARSSL_ERR_NET_TRY_AGAIN indicates write() is blocking. </dd></dl> </div> </div> <a class="anchor" id="a3b9985eaba07798c6f4d655fba05bb1b"></a><!-- doxytag: member="net.h::net_set_block" ref="a3b9985eaba07798c6f4d655fba05bb1b" args="(int fd)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int net_set_block </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>fd</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Set the socket blocking. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">fd</td><td>Socket to set</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, or a non-zero error code </dd></dl> </div> </div> <a class="anchor" id="a8d15cfb98905e57d9f031a75d4c1dbbb"></a><!-- doxytag: member="net.h::net_set_nonblock" ref="a8d15cfb98905e57d9f031a75d4c1dbbb" args="(int fd)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int net_set_nonblock </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>fd</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Set the socket non-blocking. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">fd</td><td>Socket to set</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, or a non-zero error code </dd></dl> </div> </div> <a class="anchor" id="a2bcef97961f70e97e4cd9ec3ff16a6a6"></a><!-- doxytag: member="net.h::net_usleep" ref="a2bcef97961f70e97e4cd9ec3ff16a6a6" args="(unsigned long usec)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void net_usleep </td> <td>(</td> <td class="paramtype">unsigned long </td> <td class="paramname"><em>usec</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Portable usleep helper. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">usec</td><td>Amount of microseconds to sleep</td></tr> </table> </dd> </dl> <dl class="note"><dt><b>Note:</b></dt><dd>Real amount of time slept will not be less than select()'s timeout granularity (typically, 10ms). </dd></dl> </div> </div> </div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Defines</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <hr class="footer"/><address class="footer"><small>Generated on Mon May 16 2011 for PolarSSL by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address> </body> </html>