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<h1>src/http/request/parser/parse.c</h1> </div>
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<a href="parse_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00002"></a>00002 <span class="preprocessor">#include <string.h></span>
<a name="l00003"></a>00003 <span class="preprocessor">#include <unistd.h></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <ctype.h></span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="preprocessor">#include "http/request_parser.h"</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include "interface/class.h"</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009
<a name="l00010"></a><a class="code" href="parse_8c.html#a3d501f4eabec1eb9a20aed0a116b69a3">00010</a> <span class="preprocessor">#define REMAINS(pars,done) \</span>
<a name="l00011"></a>00011 <span class="preprocessor"> ((pars)->buffer_used - ((done) - (pars)->buffer))</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="keyword">static</span>
<a name="l00015"></a>00015 <span class="keyword">inline</span>
<a name="l00016"></a>00016 <span class="keywordtype">char</span> *
<a name="l00017"></a>00017 httpRequestParserGetLine(<span class="keywordtype">char</span> ** data)
<a name="l00018"></a>00018 {
<a name="l00019"></a>00019 <span class="keywordtype">char</span> * line_end = strstr(*data, <span class="stringliteral">"\r\n"</span>);
<a name="l00020"></a>00020 <span class="keywordtype">char</span> * ret = *data;
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="keywordflow">if</span> (NULL == line_end) {
<a name="l00023"></a>00023 <span class="keywordflow">return</span> NULL;
<a name="l00024"></a>00024 }
<a name="l00025"></a>00025
<a name="l00026"></a>00026 *line_end = 0;
<a name="l00027"></a>00027 *data = line_end + 2;
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keywordflow">return</span> ret;
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">static</span>
<a name="l00033"></a>00033 <span class="keyword">inline</span>
<a name="l00034"></a>00034 <span class="keywordtype">void</span>
<a name="l00035"></a>00035 httpRequestSkip(<span class="keywordtype">char</span> ** data)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keywordflow">for</span> (; 0 != **data && ! isalpha(**data); (*data)++);
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keywordtype">void</span> <a class="code" href="get__request__line_8c.html#a47a4a36f54b295507a2599488a4a6077">httpRequestParserGetRequestLine</a>(<a class="code" href="structHttpRequest.html">HttpRequest</a>, <span class="keywordtype">char</span> *);
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keywordtype">void</span>
<a name="l00043"></a><a class="code" href="parser_8c.html#a659e7ea125685d797a099638b3376320">00043</a> <a class="code" href="parse_8c.html#a9bb74bc564fe961a7ab5459ef5806de6">httpRequestParserParse</a>(<a class="code" href="structHttpRequestParser.html">HttpRequestParser</a> <span class="keyword">this</span>)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <span class="keyword">static</span> <a class="code" href="structHttpRequest.html">HttpRequest</a> request = NULL;
<a name="l00046"></a>00046 <span class="keyword">static</span> <span class="keywordtype">char</span> * data; <span class="comment">// static pointer to unprocessed data</span>
<a name="l00047"></a>00047 <span class="keywordtype">char</span> * line;
<a name="l00048"></a>00048 <span class="keywordtype">int</span> cont = 1;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keywordflow">while</span>(cont) {
<a name="l00051"></a>00051 <span class="keywordflow">switch</span>(this->state) {
<a name="l00052"></a>00052 <span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21ab3db7445ba173b1f1e96920cc9a68ce5">HTTP_REQUEST_GARBAGE</a>:
<a name="l00053"></a>00053 data = this->buffer; <span class="comment">// initialize static pointer</span>
<a name="l00054"></a>00054 httpRequestSkip(&data);
<a name="l00055"></a>00055 request = <span class="keyword">new</span>(<a class="code" href="structHttpRequest.html">HttpRequest</a>);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21adb7cd42594721f63ab68224a0b1c250a">HTTP_REQUEST_START</a>;
<a name="l00058"></a>00058 <span class="keywordflow">break</span>;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21adb7cd42594721f63ab68224a0b1c250a">HTTP_REQUEST_START</a>:
<a name="l00061"></a>00061 <span class="keywordflow">if</span> (NULL == (line = httpRequestParserGetLine(&data))) {
<a name="l00062"></a>00062 cont = 0;
<a name="l00063"></a>00063 <span class="keywordflow">break</span>;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <a class="code" href="get__request__line_8c.html#a47a4a36f54b295507a2599488a4a6077">httpRequestParserGetRequestLine</a>(request, line);
<a name="l00067"></a>00067
<a name="l00068"></a>00068 this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a7d6368bbdc9707276bace26d735c2395">HTTP_REQUEST_REQUEST_LINE_DONE</a>;
<a name="l00069"></a>00069 <span class="keywordflow">break</span>;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a7d6368bbdc9707276bace26d735c2395">HTTP_REQUEST_REQUEST_LINE_DONE</a>:
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (NULL == (line = httpRequestParserGetLine(&data))) {
<a name="l00073"></a>00073 cont = 0;
<a name="l00074"></a>00074 <span class="keywordflow">break</span>;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordflow">if</span> (0 == strlen(line)) {
<a name="l00078"></a>00078 this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a1a45d176d7e76f28cf1529c72a245cb7">HTTP_REQUEST_HEADERS_DONE</a>;
<a name="l00079"></a>00079 <span class="keywordflow">break</span>;
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <a class="code" href="get__header_8c.html#a53acbf83d2753cafdc4880dfc4f4222c">httpRequestParserGetHeader</a>(request, line);
<a name="l00083"></a>00083 <span class="keywordflow">break</span>;
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21a1a45d176d7e76f28cf1529c72a245cb7">HTTP_REQUEST_HEADERS_DONE</a>:
<a name="l00086"></a>00086 <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>);
<a name="l00087"></a>00087
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="keywordtype">char</span> * nbody;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (0 == request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a>) {
<a name="l00092"></a>00092 nbody = <a class="code" href="header_8h.html#a002a617a3523cbc79ba8ef6f76d98465">httpHeaderGet</a>(
<a name="l00093"></a>00093 request-><a class="code" href="structHttpRequest.html#afb868f467dd9d53bac726682415e7e05">header</a>,
<a name="l00094"></a>00094 request-><a class="code" href="structHttpRequest.html#abd65f3f675b3291d2ce6e584b6ada40d">nheader</a>,
<a name="l00095"></a>00095 <span class="stringliteral">"Content-Length"</span>);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordflow">if</span> (NULL == nbody) {
<a name="l00098"></a>00098 this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21abb5b68f30f3d5e90723983a86ef54a8b">HTTP_REQUEST_DONE</a>;
<a name="l00099"></a>00099 <span class="keywordflow">break</span>;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 <span class="keywordflow">else</span> {
<a name="l00102"></a>00102 request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a> = atoi(nbody);
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <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>) {
<a name="l00107"></a>00107 request-><a class="code" href="structHttpRequest.html#a4064a72196787ee73d246b117de2a7ef">body</a> = calloc(1, request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a> + 1);
<a name="l00108"></a>00108 memcpy(request-><a class="code" href="structHttpRequest.html#a4064a72196787ee73d246b117de2a7ef">body</a>, data, request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a>);
<a name="l00109"></a>00109 data += request-><a class="code" href="structHttpRequest.html#a797280ec2d7f176f386a3da15d202a94">nbody</a>;
<a name="l00110"></a>00110 this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21abb5b68f30f3d5e90723983a86ef54a8b">HTTP_REQUEST_DONE</a>;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">break</span>;
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">case</span> <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21abb5b68f30f3d5e90723983a86ef54a8b">HTTP_REQUEST_DONE</a>:
<a name="l00120"></a>00120 this->request_queue->requests[(this->request_queue->nrequests)++] =
<a name="l00121"></a>00121 request;
<a name="l00122"></a>00122
<a name="l00126"></a>00126 memmove(this->buffer, data, <a class="code" href="parse_8c.html#a3d501f4eabec1eb9a20aed0a116b69a3">REMAINS</a>(<span class="keyword">this</span>, data));
<a name="l00127"></a>00127
<a name="l00128"></a>00128 this->buffer_used -= data - this->buffer;
<a name="l00129"></a>00129
<a name="l00133"></a>00133 <span class="keywordflow">if</span> (0 == this->buffer_used) {
<a name="l00134"></a>00134 cont = 0;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00140"></a>00140 this->state = <a class="code" href="request__parser_8h.html#a9e1bc4e9118896fae9e2d86e25582c21ab3db7445ba173b1f1e96920cc9a68ce5">HTTP_REQUEST_GARBAGE</a>;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">break</span>;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordflow">default</span>:
<a name="l00145"></a>00145 <span class="keywordflow">break</span>;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">// vim: set ts=4 sw=4:</span>
</pre></div></div>
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