parse_8c.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<h1>src/http/request/parser/parse.c File Reference</h1> </div>
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<div class="contents">
<div class="textblock"><code>#include <stdlib.h></code><br/>
<code>#include <string.h></code><br/>
<code>#include <unistd.h></code><br/>
<code>#include <ctype.h></code><br/>
<code>#include "http/request_parser.h"</code><br/>
<code>#include "interface/class.h"</code><br/>
</div><div class="textblock"><div class="dynheader">
Include dependency graph for parse.c:</div>
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<div class="center"><img src="parse_8c__incl.png" border="0" usemap="#src_2http_2request_2parser_2parse_8c" alt=""/></div>
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<p><a href="parse_8c_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">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="parse_8c.html#a3d501f4eabec1eb9a20aed0a116b69a3">REMAINS</a>(pars, done)   ((pars)->buffer_used - ((done) - (pars)->buffer))</td></tr>
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Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="parse_8c.html#a187bf52da83090068bafea54589f6f69">httpRequestParserGetRequestLine</a> (<a class="el" href="structHttpRequest.html">HttpRequest</a>, char *)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="parse_8c.html#a9bb74bc564fe961a7ab5459ef5806de6">httpRequestParserParse</a> (<a class="el" href="structHttpRequestParser.html">HttpRequestParser</a> this)</td></tr>
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<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a3d501f4eabec1eb9a20aed0a116b69a3"></a><!-- doxytag: member="parse.c::REMAINS" ref="a3d501f4eabec1eb9a20aed0a116b69a3" args="(pars, done)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">#define REMAINS</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">pars, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">done </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>   ((pars)->buffer_used - ((done) - (pars)->buffer))</td>
</tr>
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<div class="memdoc">
<p>Definition at line <a class="el" href="parse_8c_source.html#l00010">10</a> of file <a class="el" href="parse_8c_source.html">parse.c</a>.</p>
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a187bf52da83090068bafea54589f6f69"></a><!-- doxytag: member="parse.c::httpRequestParserGetRequestLine" ref="a187bf52da83090068bafea54589f6f69" args="(HttpRequest, char *)" -->
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<td class="memname">void httpRequestParserGetRequestLine </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structHttpRequest.html">HttpRequest</a> </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<div class="memdoc">
<p>Definition at line <a class="el" href="get__request__line_8c_source.html#l00007">7</a> of file <a class="el" href="get__request__line_8c_source.html">get_request_line.c</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordtype">char</span> * method, * uri, * version;
method = line;
uri = strchr(line, <span class="charliteral">' '</span>);
*uri++ = 0;
<span class="keywordflow">for</span> (; *uri == <span class="charliteral">' '</span> && *uri != 0; uri++);
version = strchr(uri, <span class="charliteral">' '</span>);
*version++ = 0;
<span class="keywordflow">for</span> (; *version == <span class="charliteral">' '</span> && *version != 0; version++);
request->method = malloc(strlen(method) + 1);
strcpy(request->method, method);
request->uri = malloc(strlen(uri) + 1);
strcpy(request->uri, uri);
request->version = malloc(strlen(version) + 1);
strcpy(request->version, method);
}
</pre></div>
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<area shape="rect" id="node3" href="parser_8c.html#a659e7ea125685d797a099638b3376320" title="httpRequestParserParse" alt="" coords="283,5,451,33"/></map>
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<a class="anchor" id="a9bb74bc564fe961a7ab5459ef5806de6"></a><!-- doxytag: member="parse.c::httpRequestParserParse" ref="a9bb74bc564fe961a7ab5459ef5806de6" args="(HttpRequestParser this)" -->
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<td class="memname">void httpRequestParserParse </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structHttpRequestParser.html">HttpRequestParser</a> </td>
<td class="paramname"><em>this</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p><p>enqueue current request</p>
<p>remove processed stuff from input buffer.</p>
<p>dont continue loop if input buffer is empty</p>
<p>prepare for next request</p>
</p>
<p>Definition at line <a class="el" href="parse_8c_source.html#l00043">43</a> of file <a class="el" href="parse_8c_source.html">parse.c</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keyword">static</span> <a class="code" href="structHttpRequest.html">HttpRequest</a> request = NULL;
<span class="keyword">static</span> <span class="keywordtype">char</span> * data; <span class="comment">// static pointer to unprocessed data</span>
<span class="keywordtype">char</span> * line;
<span class="keywordtype">int</span> cont = 1;
<span class="keywordflow">while</span>(cont) {
<span class="keywordflow">switch</span>(this->state) {
<span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21ab3db7445ba173b1f1e96920cc9a68ce5">HTTP_REQUEST_GARBAGE</a>:
data = this->buffer; <span class="comment">// initialize static pointer</span>
httpRequestSkip(&data);
request = <span class="keyword">new</span>(<a class="code" href="structHttpRequest.html">HttpRequest</a>);
this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21adb7cd42594721f63ab68224a0b1c250a">HTTP_REQUEST_START</a>;
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21adb7cd42594721f63ab68224a0b1c250a">HTTP_REQUEST_START</a>:
<span class="keywordflow">if</span> (NULL == (line = httpRequestParserGetLine(&data))) {
cont = 0;
<span class="keywordflow">break</span>;
}
<a class="code" href="get__request__line_8c.html#a47a4a36f54b295507a2599488a4a6077">httpRequestParserGetRequestLine</a>(request, line);
this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a7d6368bbdc9707276bace26d735c2395">HTTP_REQUEST_REQUEST_LINE_DONE</a>;
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a7d6368bbdc9707276bace26d735c2395">HTTP_REQUEST_REQUEST_LINE_DONE</a>:
<span class="keywordflow">if</span> (NULL == (line = httpRequestParserGetLine(&data))) {
cont = 0;
<span class="keywordflow">break</span>;
}
<span class="keywordflow">if</span> (0 == strlen(line)) {
this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a1a45d176d7e76f28cf1529c72a245cb7">HTTP_REQUEST_HEADERS_DONE</a>;
<span class="keywordflow">break</span>;
}
<a class="code" href="get__header_8c.html#a53acbf83d2753cafdc4880dfc4f4222c">httpRequestParserGetHeader</a>(request, line);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a1a45d176d7e76f28cf1529c72a245cb7">HTTP_REQUEST_HEADERS_DONE</a>:
<a class="code" href="header_8h.html#a43ccec0413f9f2e394bb3af5ff628b56">httpHeaderSort</a>(request-><a class="code" href="structHttpRequest.html#afb868f467dd9d53bac726682415e7e05">header</a>, request-><a class="code" href="structHttpRequest.html#abd65f3f675b3291d2ce6e584b6ada40d">nheader</a>);
{
<span class="keywordtype">char</span> * nbody;
<span class="keywordflow">if</span> (0 == request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a>) {
nbody = <a class="code" href="header_8h.html#a002a617a3523cbc79ba8ef6f76d98465">httpHeaderGet</a>(
request-><a class="code" href="structHttpRequest.html#afb868f467dd9d53bac726682415e7e05">header</a>,
request-><a class="code" href="structHttpRequest.html#abd65f3f675b3291d2ce6e584b6ada40d">nheader</a>,
<span class="stringliteral">"Content-Length"</span>);
<span class="keywordflow">if</span> (NULL == nbody) {
this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21abb5b68f30f3d5e90723983a86ef54a8b">HTTP_REQUEST_DONE</a>;
<span class="keywordflow">break</span>;
}
<span class="keywordflow">else</span> {
request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a> = atoi(nbody);
}
}
<span class="keywordflow">if</span> (<a class="code" href="parse_8c.html#a3d501f4eabec1eb9a20aed0a116b69a3">REMAINS</a>(<span class="keyword">this</span>, data) >= request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a>) {
request-><a class="code" href="structHttpRequest.html#a4064a72196787ee73d246b117de2a7ef">body</a> = calloc(1, request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a> + 1);
memcpy(request-><a class="code" href="structHttpRequest.html#a4064a72196787ee73d246b117de2a7ef">body</a>, data, request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a>);
data += request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a>;
this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21abb5b68f30f3d5e90723983a86ef54a8b">HTTP_REQUEST_DONE</a>;
}
}
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21abb5b68f30f3d5e90723983a86ef54a8b">HTTP_REQUEST_DONE</a>:
this->request_queue->requests[(this->request_queue->nrequests)++] =
request;
memmove(this->buffer, data, <a class="code" href="parse_8c.html#a3d501f4eabec1eb9a20aed0a116b69a3">REMAINS</a>(<span class="keyword">this</span>, data));
this->buffer_used -= data - this->buffer;
<span class="keywordflow">if</span> (0 == this->buffer_used) {
cont = 0;
}
this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21ab3db7445ba173b1f1e96920cc9a68ce5">HTTP_REQUEST_GARBAGE</a>;
<span class="keywordflow">break</span>;
<span class="keywordflow">default</span>:
<span class="keywordflow">break</span>;
}
}
}
</pre></div>
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Here is the call graph for this function:</div>
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<area shape="rect" id="node3" href="header_8h.html#a002a617a3523cbc79ba8ef6f76d98465" title="httpHeaderGet" alt="" coords="281,5,391,33"/><area shape="rect" id="node5" href="header_8h.html#a43ccec0413f9f2e394bb3af5ff628b56" title="httpHeaderSort" alt="" coords="280,55,392,83"/><area shape="rect" id="node7" href="get__header_8c.html#a53acbf83d2753cafdc4880dfc4f4222c" title="httpRequestParserGetHeader" alt="" coords="237,106,435,134"/><area shape="rect" id="node9" href="get__request__line_8c.html#a47a4a36f54b295507a2599488a4a6077" title="httpRequestParserGetRequestLine" alt="" coords="221,157,451,185"/></map>
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<li class="navelem"><a class="el" href="parse_8c.html">parse.c</a> </li>
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