<!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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.11"/> <title>libwebsockets: Socket adoption helpers</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectlogo"><img alt="Logo" src="libwebsockets.org-logo.png"/></td> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libwebsockets </div> <div id="projectbrief">Lightweight C library for HTML5 websockets</div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.11 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li class="current"><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('group__sock-adopt.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">Socket adoption helpers</div> </div> </div><!--header--> <div class="contents"> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:gabe71b7462afb21c767bdc67334f305af"><td class="memItemLeft" align="right" valign="top">LWS_VISIBLE LWS_EXTERN struct lws * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sock-adopt.html#gabe71b7462afb21c767bdc67334f305af">lws_adopt_socket</a> (struct lws_context *context, lws_sockfd_type accept_fd)</td></tr> <tr class="separator:gabe71b7462afb21c767bdc67334f305af"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab2d045df0f81afe00891aaed312d552b"><td class="memItemLeft" align="right" valign="top">LWS_VISIBLE LWS_EXTERN struct lws * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sock-adopt.html#gab2d045df0f81afe00891aaed312d552b">lws_adopt_socket_readbuf</a> (struct lws_context *context, lws_sockfd_type accept_fd, const char *readbuf, size_t len)</td></tr> <tr class="separator:gab2d045df0f81afe00891aaed312d552b"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <h2>Socket adoption helpers</h2> <p>When integrating with an external app with its own event loop, these can be used to accept connections from someone else's listening socket.</p> <p>When using lws own event loop, these are not needed. </p> <h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="gabe71b7462afb21c767bdc67334f305af"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">LWS_VISIBLE LWS_EXTERN struct lws* lws_adopt_socket </td> <td>(</td> <td class="paramtype">struct lws_context * </td> <td class="paramname"><em>context</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">lws_sockfd_type </td> <td class="paramname"><em>accept_fd</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p><code>#include <<a class="el" href="libwebsockets_8h.html">lib/libwebsockets.h</a>></code></p> <p><a class="el" href="group__sock-adopt.html#gabe71b7462afb21c767bdc67334f305af">lws_adopt_socket()</a> - adopt foreign socket as if listen socket accepted it </p><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">context</td><td>lws context </td></tr> <tr><td class="paramname">accept_fd</td><td>fd of already-accepted socket to adopt</td></tr> </table> </dd> </dl> <p>Either returns new wsi bound to accept_fd, or closes accept_fd and returns NULL, having cleaned up any new wsi pieces.</p> <p>LWS adopts the socket in http serving mode, it's ready to accept an upgrade to ws or just serve http. </p> </div> </div> <a class="anchor" id="gab2d045df0f81afe00891aaed312d552b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">LWS_VISIBLE LWS_EXTERN struct lws* lws_adopt_socket_readbuf </td> <td>(</td> <td class="paramtype">struct lws_context * </td> <td class="paramname"><em>context</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">lws_sockfd_type </td> <td class="paramname"><em>accept_fd</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>readbuf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t </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><code>#include <<a class="el" href="libwebsockets_8h.html">lib/libwebsockets.h</a>></code></p> <p><a class="el" href="group__sock-adopt.html#gab2d045df0f81afe00891aaed312d552b">lws_adopt_socket_readbuf()</a> - adopt foreign socket and first rx as if listen socket accepted it </p><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">context</td><td>lws context </td></tr> <tr><td class="paramname">accept_fd</td><td>fd of already-accepted socket to adopt </td></tr> <tr><td class="paramname">readbuf</td><td>NULL or pointer to data that must be drained before reading from accept_fd </td></tr> <tr><td class="paramname">len</td><td>The length of the data held at </td></tr> <tr><td class="paramname">readbuf</td><td>Either returns new wsi bound to accept_fd, or closes accept_fd and returns NULL, having cleaned up any new wsi pieces.</td></tr> </table> </dd> </dl> <p>LWS adopts the socket in http serving mode, it's ready to accept an upgrade to ws or just serve http.</p> <p>If your external code did not already read from the socket, you can use <a class="el" href="group__sock-adopt.html#gabe71b7462afb21c767bdc67334f305af">lws_adopt_socket()</a> instead.</p> <p>This api is guaranteed to use the data at </p><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">readbuf</td><td>first, before reading from the socket.</td></tr> </table> </dd> </dl> <p>readbuf is limited to the size of the ah rx buf, currently 2048 bytes. </p> </div> </div> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li> </ul> </div> </body> </html>