1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>websocket::stream::accept (4 of 6 overloads)</title> 5<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../../index.html" title="Chapter 1. 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The call blocks until one of the following conditions 50 is true: 51 </p> 52<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 53<li class="listitem"> 54 The request is received and the response is sent. 55 </li> 56<li class="listitem"> 57 An error occurs. 58 </li> 59</ul></div> 60<p> 61 The algorithm, known as a <span class="emphasis"><em>composed operation</em></span>, is 62 implemented in terms of calls to the next layer's <code class="computeroutput"><span class="identifier">read_some</span></code> 63 and <code class="computeroutput"><span class="identifier">write_some</span></code> functions. 64 If a valid upgrade request is received, an HTTP response with a <a href="https://tools.ietf.org/html/rfc7230#section-3.1.2" target="_top">status-code</a> 65 of <a class="link" href="../../boost__beast__http__status.html" title="http::status"><code class="computeroutput"><span class="identifier">beast</span><span class="special">::</span><span class="identifier">http</span><span class="special">::</span><span class="identifier">status</span><span class="special">::</span><span class="identifier">switching_protocols</span></code></a> is sent 66 to the peer, otherwise a non-successful error is associated with the 67 operation. If the request size exceeds the capacity of the stream's internal 68 buffer, the error <a class="link" href="../../boost__beast__websocket__error.html" title="websocket::error"><code class="computeroutput"><span class="identifier">error</span><span class="special">::</span><span class="identifier">buffer_overflow</span></code></a> will be indicated. 69 To handle larger requests, an application should read the HTTP request 70 directly using <a class="link" href="../../boost__beast__http__read/overload1.html" title="http::read (1 of 4 overloads)"><code class="computeroutput"> 71 <span class="identifier">http</span><span class="special">::</span><span class="identifier">read</span> </code></a> and then pass the request 72 to the appropriate overload of <a class="link" href="overload1.html" title="websocket::stream::accept (1 of 6 overloads)"><code class="computeroutput"><span class="identifier">accept</span></code></a> or <a class="link" href="../async_accept/overload1.html" title="websocket::stream::async_accept (1 of 3 overloads)"><code class="computeroutput"><span class="identifier">async_accept</span></code></a> 73 </p> 74<h7><a name="beast.ref.boost__beast__websocket__stream.accept.overload4.h2"></a> 75 <span class="phrase"><a name="beast.ref.boost__beast__websocket__stream.accept.overload4.parameters"></a></span><a class="link" href="overload4.html#beast.ref.boost__beast__websocket__stream.accept.overload4.parameters">Parameters</a> 76 </h7><div class="informaltable"><table class="table"> 77<colgroup> 78<col> 79<col> 80</colgroup> 81<thead><tr> 82<th> 83 <p> 84 Name 85 </p> 86 </th> 87<th> 88 <p> 89 Description 90 </p> 91 </th> 92</tr></thead> 93<tbody> 94<tr> 95<td> 96 <p> 97 <code class="computeroutput"><span class="identifier">buffers</span></code> 98 </p> 99 </td> 100<td> 101 <p> 102 Caller provided data that has already been received on the 103 stream. The implementation will copy the caller provided data 104 before the function returns. 105 </p> 106 </td> 107</tr> 108<tr> 109<td> 110 <p> 111 <code class="computeroutput"><span class="identifier">ec</span></code> 112 </p> 113 </td> 114<td> 115 <p> 116 Set to indicate what error occurred, if any. 117 </p> 118 </td> 119</tr> 120</tbody> 121</table></div> 122<h7><a name="beast.ref.boost__beast__websocket__stream.accept.overload4.h3"></a> 123 <span class="phrase"><a name="beast.ref.boost__beast__websocket__stream.accept.overload4.see_also"></a></span><a class="link" href="overload4.html#beast.ref.boost__beast__websocket__stream.accept.overload4.see_also">See 124 Also</a> 125 </h7><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 126 <a href="https://tools.ietf.org/html/rfc6455#section-4.2" target="_top">Websocket 127 Opening Handshake Server Requirements (RFC6455)</a> 128 </li></ul></div> 129</div> 130<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 131<td align="left"></td> 132<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 133 Falco<p> 134 Distributed under the Boost Software License, Version 1.0. (See accompanying 135 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 136 </p> 137</div></td> 138</tr></table> 139<hr> 140<div class="spirit-nav"> 141<a accesskey="p" href="overload3.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../accept.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="overload5.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 142</div> 143</body> 144</html> 145
