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<h1>fcgistream.hpp</h1><a href="fcgistream_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">/***************************************************************************</span>
<a name="l00003"></a>00003 <span class="comment">* Copyright (C) 2007 Eddie *</span>
<a name="l00004"></a>00004 <span class="comment">* *</span>
<a name="l00005"></a>00005 <span class="comment">* This file is part of fastcgi++. *</span>
<a name="l00006"></a>00006 <span class="comment">* *</span>
<a name="l00007"></a>00007 <span class="comment">* fastcgi++ is free software: you can redistribute it and/or modify it *</span>
<a name="l00008"></a>00008 <span class="comment">* under the terms of the GNU Lesser General Public License as published *</span>
<a name="l00009"></a>00009 <span class="comment">* by the Free Software Foundation, either version 3 of the License, or (at *</span>
<a name="l00010"></a>00010 <span class="comment">* your option) any later version. *</span>
<a name="l00011"></a>00011 <span class="comment">* *</span>
<a name="l00012"></a>00012 <span class="comment">* fastcgi++ is distributed in the hope that it will be useful, but WITHOUT *</span>
<a name="l00013"></a>00013 <span class="comment">* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *</span>
<a name="l00014"></a>00014 <span class="comment">* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public *</span>
<a name="l00015"></a>00015 <span class="comment">* License for more details. *</span>
<a name="l00016"></a>00016 <span class="comment">* *</span>
<a name="l00017"></a>00017 <span class="comment">* You should have received a copy of the GNU Lesser General Public License *</span>
<a name="l00018"></a>00018 <span class="comment">* along with fastcgi++. If not, see <http://www.gnu.org/licenses/>. *</span>
<a name="l00019"></a>00019 <span class="comment">****************************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <streambuf></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <ostream></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <cstring></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <algorithm></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <ios></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <istream></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include <<a class="code" href="protocol_8hpp.html" title="Defines FastCGI protocol.">fastcgi++/protocol.hpp</a>></span>
<a name="l00030"></a>00030
<a name="l00032"></a>00032 <span class="keyword">namespace </span>Fastcgipp
<a name="l00033"></a>00033 {
<a name="l00035"></a>00035
<a name="l00042"></a>00042 <span class="keyword">template</span> <<span class="keyword">class</span> <span class="keywordtype">char</span>T, <span class="keyword">class</span> traits>
<a name="l00043"></a><a class="code" href="classFastcgipp_1_1Fcgistream.html">00043</a> <span class="keyword">class </span><a class="code" href="classFastcgipp_1_1Fcgistream.html" title="Stream class for output of client data through FastCGI.">Fcgistream</a>: <span class="keyword">public</span> std::<a class="code" href="classstd_1_1basic__ostream.html">basic_ostream</a><charT, traits>
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <span class="keyword">public</span>:
<a name="l00046"></a><a class="code" href="classFastcgipp_1_1Fcgistream.html#23fa3ab4ecc0d9916d2a780b77b560b6">00046</a> <a class="code" href="classFastcgipp_1_1Fcgistream.html#23fa3ab4ecc0d9916d2a780b77b560b6">Fcgistream</a>(): std::<a class="code" href="classstd_1_1basic__ostream.html">basic_ostream</a><charT, traits>(&<a class="code" href="classFastcgipp_1_1Fcgistream.html#292be828144e7aaa73bc4df553b2ac5a" title="Stream buffer object.">buffer</a>) { }
<a name="l00048"></a><a class="code" href="classFastcgipp_1_1Fcgistream.html#2340bdcaab24edbe7f3e97332d98ccab">00048</a> <span class="keywordtype">void</span> <span class="keyword">set</span>(<a class="code" href="structFastcgipp_1_1Protocol_1_1FullId.html" title="A full ID value for a FastCGI request.">Protocol::FullId</a> id_, <a class="code" href="classFastcgipp_1_1Transceiver.html" title="Handles low level communication with &quot;the other side&quot;.">Transceiver</a>& transceiver_, <a class="code" href="namespaceFastcgipp_1_1Protocol.html#79e41b489a9b2c0374eee108d375b646" title="Defines the types of records within the FastCGI protocol.">Protocol::RecordType</a> type_) { <a class="code" href="classFastcgipp_1_1Fcgistream.html#292be828144e7aaa73bc4df553b2ac5a" title="Stream buffer object.">buffer</a>.<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#53d7707752aa2f3bb10e6fe27c0b3838" title="After construction constructor.">set</a>(id_, transceiver_, type_); }
<a name="l00049"></a>00049
<a name="l00051"></a>00051
<a name="l00059"></a><a class="code" href="classFastcgipp_1_1Fcgistream.html#ccf72ff881e5ef268aaabddae4ffd686">00059</a> <span class="keywordtype">void</span> <a class="code" href="classFastcgipp_1_1Fcgistream.html#ccf72ff881e5ef268aaabddae4ffd686" title="Dumps raw data directly into the FastCGI protocol.">dump</a>(<span class="keywordtype">char</span>* data, <span class="keywordtype">size_t</span> size) { <a class="code" href="classFastcgipp_1_1Fcgistream.html#292be828144e7aaa73bc4df553b2ac5a" title="Stream buffer object.">buffer</a>.<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#85e38d044b4309b1a9f50b8dc615f9b0" title="Dumps raw data directly into the FastCGI protocol.">dump</a>(data, size); }
<a name="l00061"></a>00061
<a name="l00068"></a>00068 <span class="keywordtype">void</span> <a class="code" href="classFastcgipp_1_1Fcgistream.html#ccf72ff881e5ef268aaabddae4ffd686" title="Dumps raw data directly into the FastCGI protocol.">dump</a>(std::basic_istream<char>& stream);
<a name="l00069"></a>00069 <span class="keyword">private</span>:
<a name="l00071"></a>00071
<a name="l00078"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html">00078</a> <span class="keyword">class </span><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html" title="Stream buffer class for output of client data through FastCGI.">Fcgibuf</a>: <span class="keyword">public</span> std::basic_streambuf<charT, traits>
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keyword">public</span>:
<a name="l00081"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#45ed431eb16ea93f365b4dc8cad68a9b">00081</a> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#45ed431eb16ea93f365b4dc8cad68a9b">Fcgibuf</a>(): <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#d9e6a16339efd32c5f0fe4cf9af457de" title="Size of the data pointed to be dumpPtr.">dumpSize</a>(0), <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#20dbdcb02e25cc4ca637495f0561da88" title="Pointer to the data that needs to be transmitted upon flush.">dumpPtr</a>(0) { setp(<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#0a8d1d8267a9c865fe8cf23884118e31" title="The buffer.">buffer</a>, <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#0a8d1d8267a9c865fe8cf23884118e31" title="The buffer.">buffer</a>+<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#58f7246ab5e1cdf6ba7ab8f9a7ebb6dd" title="Size of the internal stream buffer.">buffSize</a>); }
<a name="l00083"></a>00083
<a name="l00091"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#53d7707752aa2f3bb10e6fe27c0b3838">00091</a> <span class="keywordtype">void</span> <span class="keyword">set</span>(<a class="code" href="structFastcgipp_1_1Protocol_1_1FullId.html" title="A full ID value for a FastCGI request.">Protocol::FullId</a> id_, <a class="code" href="classFastcgipp_1_1Transceiver.html" title="Handles low level communication with &quot;the other side&quot;.">Transceiver</a>& transceiver_, <a class="code" href="namespaceFastcgipp_1_1Protocol.html#79e41b489a9b2c0374eee108d375b646" title="Defines the types of records within the FastCGI protocol.">Protocol::RecordType</a> type_)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keywordtype">id</span>=id_;
<a name="l00094"></a>00094 <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#c5ca1c078264b53f4db118beaa3c2f1b" title="Transceiver object to use for transmissio.">transceiver</a>=&transceiver_;
<a name="l00095"></a>00095 <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#08f9b6388619be2d6fc75c06b4162e68" title="Type of output stream (ERR or OUT).">type</a>=type_;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00098"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#7547f7cd3eeff666d9e497f91e1aa4a7">00098</a> <span class="keyword">virtual</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#7547f7cd3eeff666d9e497f91e1aa4a7">~Fcgibuf</a>() { <span class="keywordflow">try</span>{ <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#f91ac7b97e92dd74bb96ec9630b45147">sync</a>(); } <span class="keywordflow">catch</span>(...){ } }
<a name="l00100"></a>00100
<a name="l00108"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#85e38d044b4309b1a9f50b8dc615f9b0">00108</a> <span class="keywordtype">void</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#85e38d044b4309b1a9f50b8dc615f9b0" title="Dumps raw data directly into the FastCGI protocol.">dump</a>(<span class="keywordtype">char</span>* data, <span class="keywordtype">size_t</span> size) { <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#20dbdcb02e25cc4ca637495f0561da88" title="Pointer to the data that needs to be transmitted upon flush.">dumpPtr</a>=data; <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#d9e6a16339efd32c5f0fe4cf9af457de" title="Size of the data pointed to be dumpPtr.">dumpSize</a>=size; <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#f91ac7b97e92dd74bb96ec9630b45147">sync</a>(); }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keyword">private</span>:
<a name="l00111"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#95a06e3f4220b2e7940f137ea5c0eb37">00111</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> std::basic_streambuf<charT, traits>::int_type <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#95a06e3f4220b2e7940f137ea5c0eb37">int_type</a>;
<a name="l00112"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#303011dcdaa44a311d71276038fdd177">00112</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> std::basic_streambuf<charT, traits>::traits_type <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#303011dcdaa44a311d71276038fdd177">traits_type</a>;
<a name="l00113"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#2b8cb2c3e2c85525e5e5aa3cd1f70e98">00113</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> std::basic_streambuf<charT, traits>::char_type <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#2b8cb2c3e2c85525e5e5aa3cd1f70e98">char_type</a>;
<a name="l00114"></a>00114
<a name="l00115"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#c635e28572f14173bf3149532bd81741">00115</a> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#95a06e3f4220b2e7940f137ea5c0eb37">int_type</a> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#c635e28572f14173bf3149532bd81741">overflow</a>(<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#95a06e3f4220b2e7940f137ea5c0eb37">int_type</a> c = traits_type::eof())
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 <span class="keywordflow">if</span>(<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#7323979677487f217c4ca0f6f2f02706" title="Code converts, packages and transmits all data in the stream buffer along with the...">emptyBuffer</a>() < 0)
<a name="l00118"></a>00118 <span class="keywordflow">return</span> traits_type::eof();
<a name="l00119"></a>00119 <span class="keywordflow">if</span>(!traits_type::eq_int_type(c, traits_type::eof()))
<a name="l00120"></a>00120 <span class="keywordflow">return</span> sputc(c);
<a name="l00121"></a>00121 <span class="keywordflow">else</span>
<a name="l00122"></a>00122 <span class="keywordflow">return</span> traits_type::not_eof(c);
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#f91ac7b97e92dd74bb96ec9630b45147">00125</a> <span class="keywordtype">int</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#f91ac7b97e92dd74bb96ec9630b45147">sync</a>() { <span class="keywordflow">return</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#7323979677487f217c4ca0f6f2f02706" title="Code converts, packages and transmits all data in the stream buffer along with the...">emptyBuffer</a>(); }
<a name="l00126"></a>00126
<a name="l00127"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#09a2adf6740017df498532aa893afa28">00127</a> std::streamsize <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#09a2adf6740017df498532aa893afa28">xsputn</a>(<span class="keyword">const</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#2b8cb2c3e2c85525e5e5aa3cd1f70e98">char_type</a> *s, std::streamsize n)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 std::streamsize actual=std::min(n, this->epptr()-this->pptr());
<a name="l00130"></a>00130 std::memcpy(this->pptr(), s, actual*<span class="keyword">sizeof</span>(<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#2b8cb2c3e2c85525e5e5aa3cd1f70e98">char_type</a>));
<a name="l00131"></a>00131 this->pbump(actual);
<a name="l00132"></a>00132 <span class="keywordflow">return</span> actual;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00136"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#20dbdcb02e25cc4ca637495f0561da88">00136</a> <span class="keywordtype">char</span>* <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#20dbdcb02e25cc4ca637495f0561da88" title="Pointer to the data that needs to be transmitted upon flush.">dumpPtr</a>;
<a name="l00138"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#d9e6a16339efd32c5f0fe4cf9af457de">00138</a> <span class="keywordtype">size_t</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#d9e6a16339efd32c5f0fe4cf9af457de" title="Size of the data pointed to be dumpPtr.">dumpSize</a>;
<a name="l00139"></a>00139
<a name="l00141"></a>00141 <span class="keywordtype">int</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#7323979677487f217c4ca0f6f2f02706" title="Code converts, packages and transmits all data in the stream buffer along with the...">emptyBuffer</a>();
<a name="l00143"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#c5ca1c078264b53f4db118beaa3c2f1b">00143</a> <a class="code" href="classFastcgipp_1_1Transceiver.html" title="Handles low level communication with &quot;the other side&quot;.">Transceiver</a>* <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#c5ca1c078264b53f4db118beaa3c2f1b" title="Transceiver object to use for transmissio.">transceiver</a>;
<a name="l00145"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#58f7246ab5e1cdf6ba7ab8f9a7ebb6dd">00145</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#58f7246ab5e1cdf6ba7ab8f9a7ebb6dd" title="Size of the internal stream buffer.">buffSize</a> = 8192;
<a name="l00147"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#0a8d1d8267a9c865fe8cf23884118e31">00147</a> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#2b8cb2c3e2c85525e5e5aa3cd1f70e98">char_type</a> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#0a8d1d8267a9c865fe8cf23884118e31" title="The buffer.">buffer</a>[<a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#58f7246ab5e1cdf6ba7ab8f9a7ebb6dd" title="Size of the internal stream buffer.">buffSize</a>];
<a name="l00149"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#e4c2486542f2c007d5efbbf33fb6e69e">00149</a> <a class="code" href="structFastcgipp_1_1Protocol_1_1FullId.html" title="A full ID value for a FastCGI request.">Protocol::FullId</a> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#e4c2486542f2c007d5efbbf33fb6e69e" title="Complete ID associated with the request.">id</a>;
<a name="l00150"></a>00150
<a name="l00152"></a><a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#08f9b6388619be2d6fc75c06b4162e68">00152</a> <a class="code" href="namespaceFastcgipp_1_1Protocol.html#79e41b489a9b2c0374eee108d375b646" title="Defines the types of records within the FastCGI protocol.">Protocol::RecordType</a> <a class="code" href="classFastcgipp_1_1Fcgistream_1_1Fcgibuf.html#08f9b6388619be2d6fc75c06b4162e68" title="Type of output stream (ERR or OUT).">type</a>;
<a name="l00153"></a>00153 };
<a name="l00155"></a><a class="code" href="classFastcgipp_1_1Fcgistream.html#292be828144e7aaa73bc4df553b2ac5a">00155</a> Fcgibuf <a class="code" href="classFastcgipp_1_1Fcgistream.html#292be828144e7aaa73bc4df553b2ac5a" title="Stream buffer object.">buffer</a>;
<a name="l00156"></a>00156 };
<a name="l00157"></a>00157 }
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