1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>http::basic_parser::on_body_init_impl</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. Boost.Beast"> 8<link rel="up" href="../boost__beast__http__basic_parser.html" title="http::basic_parser"> 9<link rel="prev" href="on_header_impl.html" title="http::basic_parser::on_header_impl"> 10<link rel="next" href="on_body_impl.html" title="http::basic_parser::on_body_impl"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="on_header_impl.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__http__basic_parser.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="on_body_impl.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="beast.ref.boost__beast__http__basic_parser.on_body_init_impl"></a><a class="link" href="on_body_init_impl.html" title="http::basic_parser::on_body_init_impl">http::basic_parser::on_body_init_impl</a> 28</h5></div></div></div> 29<p> 30 <a class="indexterm" name="idm46057547233728"></a> 31 </p> 32<p> 33 Called once before the body is processed. 34 </p> 35<h6> 36<a name="beast.ref.boost__beast__http__basic_parser.on_body_init_impl.h0"></a> 37 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_parser.on_body_init_impl.synopsis"></a></span><a class="link" href="on_body_init_impl.html#beast.ref.boost__beast__http__basic_parser.on_body_init_impl.synopsis">Synopsis</a> 38 </h6> 39<pre class="programlisting"><span class="keyword">void</span> 40<span class="identifier">on_body_init_impl</span><span class="special">(</span> 41 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">optional</span><span class="special"><</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">uint64_t</span> <span class="special">></span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">content_length</span><span class="special">,</span> 42 <span class="identifier">error_code</span><span class="special">&</span> <span class="identifier">ec</span><span class="special">);</span> 43</pre> 44<h6> 45<a name="beast.ref.boost__beast__http__basic_parser.on_body_init_impl.h1"></a> 46 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_parser.on_body_init_impl.description"></a></span><a class="link" href="on_body_init_impl.html#beast.ref.boost__beast__http__basic_parser.on_body_init_impl.description">Description</a> 47 </h6> 48<p> 49 This virtual function is invoked once, before the content body is processed 50 (but after the complete header is received). 51 </p> 52<h6> 53<a name="beast.ref.boost__beast__http__basic_parser.on_body_init_impl.h2"></a> 54 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_parser.on_body_init_impl.parameters"></a></span><a class="link" href="on_body_init_impl.html#beast.ref.boost__beast__http__basic_parser.on_body_init_impl.parameters">Parameters</a> 55 </h6> 56<div class="informaltable"><table class="table"> 57<colgroup> 58<col> 59<col> 60</colgroup> 61<thead><tr> 62<th> 63 <p> 64 Name 65 </p> 66 </th> 67<th> 68 <p> 69 Description 70 </p> 71 </th> 72</tr></thead> 73<tbody> 74<tr> 75<td> 76 <p> 77 <code class="computeroutput"><span class="identifier">content_length</span></code> 78 </p> 79 </td> 80<td> 81 <p> 82 A value representing the content length in bytes if the length 83 is known (this can include a zero length). Otherwise, the value 84 will be <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">none</span></code>. 85 </p> 86 </td> 87</tr> 88<tr> 89<td> 90 <p> 91 <code class="computeroutput"><span class="identifier">ec</span></code> 92 </p> 93 </td> 94<td> 95 <p> 96 An output parameter which the function may set to indicate an 97 error. The error will be clear before this function is invoked. 98 </p> 99 </td> 100</tr> 101</tbody> 102</table></div> 103</div> 104<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 105<td align="left"></td> 106<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 107 Falco<p> 108 Distributed under the Boost Software License, Version 1.0. (See accompanying 109 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>) 110 </p> 111</div></td> 112</tr></table> 113<hr> 114<div class="spirit-nav"> 115<a accesskey="p" href="on_header_impl.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__http__basic_parser.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="on_body_impl.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 116</div> 117</body> 118</html> 119