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<h1>apps/webserver/httpd.c</h1><a href="a00114.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**</span>
<a name="l00002"></a>00002 <span class="comment"> * \addtogroup apps</span>
<a name="l00003"></a>00003 <span class="comment"> * @{</span>
<a name="l00004"></a>00004 <span class="comment"> */</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">/**</span>
<a name="l00007"></a>00007 <span class="comment"> * \defgroup httpd Web server</span>
<a name="l00008"></a>00008 <span class="comment"> * @{</span>
<a name="l00009"></a>00009 <span class="comment"> * The uIP web server is a very simplistic implementation of an HTTP</span>
<a name="l00010"></a>00010 <span class="comment"> * server. It can serve web pages and files from a read-only ROM</span>
<a name="l00011"></a>00011 <span class="comment"> * filesystem, and provides a very small scripting language.</span>
<a name="l00012"></a>00012 <span class="comment"></span>
<a name="l00013"></a>00013 <span class="comment"> */</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">/**</span>
<a name="l00016"></a>00016 <span class="comment"> * \file</span>
<a name="l00017"></a>00017 <span class="comment"> * Web server</span>
<a name="l00018"></a>00018 <span class="comment"> * \author</span>
<a name="l00019"></a>00019 <span class="comment"> * Adam Dunkels <adam@sics.se></span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="comment">/*</span>
<a name="l00024"></a>00024 <span class="comment"> * Copyright (c) 2004, Adam Dunkels.</span>
<a name="l00025"></a>00025 <span class="comment"> * All rights reserved.</span>
<a name="l00026"></a>00026 <span class="comment"> *</span>
<a name="l00027"></a>00027 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00028"></a>00028 <span class="comment"> * modification, are permitted provided that the following conditions</span>
<a name="l00029"></a>00029 <span class="comment"> * are met:</span>
<a name="l00030"></a>00030 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
<a name="l00031"></a>00031 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span>
<a name="l00032"></a>00032 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
<a name="l00033"></a>00033 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span>
<a name="l00034"></a>00034 <span class="comment"> * documentation and/or other materials provided with the distribution.</span>
<a name="l00035"></a>00035 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors</span>
<a name="l00036"></a>00036 <span class="comment"> * may be used to endorse or promote products derived from this software</span>
<a name="l00037"></a>00037 <span class="comment"> * without specific prior written permission.</span>
<a name="l00038"></a>00038 <span class="comment"> *</span>
<a name="l00039"></a>00039 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND</span>
<a name="l00040"></a>00040 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
<a name="l00041"></a>00041 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
<a name="l00042"></a>00042 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE</span>
<a name="l00043"></a>00043 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span>
<a name="l00044"></a>00044 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS</span>
<a name="l00045"></a>00045 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00046"></a>00046 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span>
<a name="l00047"></a>00047 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
<a name="l00048"></a>00048 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF</span>
<a name="l00049"></a>00049 <span class="comment"> * SUCH DAMAGE.</span>
<a name="l00050"></a>00050 <span class="comment"> *</span>
<a name="l00051"></a>00051 <span class="comment"> * This file is part of the uIP TCP/IP stack.</span>
<a name="l00052"></a>00052 <span class="comment"> *</span>
<a name="l00053"></a>00053 <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span>
<a name="l00054"></a>00054 <span class="comment"> *</span>
<a name="l00055"></a>00055 <span class="comment"> * $Id: httpd.c,v 1.2 2006/06/11 21:46:38 adam Exp $</span>
<a name="l00056"></a>00056 <span class="comment"> */</span>
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="preprocessor">#include "<a class="code" href="a00136.html">uip.h</a>"</span>
<a name="l00059"></a>00059 <span class="preprocessor">#include "httpd.h"</span>
<a name="l00060"></a>00060 <span class="preprocessor">#include "httpd-fs.h"</span>
<a name="l00061"></a>00061 <span class="preprocessor">#include "<a class="code" href="a00113.html">httpd-cgi.h</a>"</span>
<a name="l00062"></a>00062 <span class="preprocessor">#include "http-strings.h"</span>
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="preprocessor">#include <string.h></span>
<a name="l00065"></a>00065
<a name="l00066"></a><a class="code" href="a00164.html#g7d7920c1e51cc4eef80206ebd6fee3f4">00066</a> <span class="preprocessor">#define STATE_WAITING 0</span>
<a name="l00067"></a><a class="code" href="a00164.html#g8a645f8831837320c4e0c704e871abcf">00067</a> <span class="preprocessor"></span><span class="preprocessor">#define STATE_OUTPUT 1</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span>
<a name="l00069"></a><a class="code" href="a00164.html#g3212e70c55244608ac16316888c354f0">00069</a> <span class="preprocessor">#define ISO_nl 0x0a</span>
<a name="l00070"></a><a class="code" href="a00164.html#g71e1b022f7b7fa3a154f19372b239935">00070</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_space 0x20</span>
<a name="l00071"></a><a class="code" href="a00164.html#ge3f8f7deae69854853b0c8ebb82c380d">00071</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_bang 0x21</span>
<a name="l00072"></a><a class="code" href="a00164.html#g79f9a50c2cccb967d38a2eeb45d2fd75">00072</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_percent 0x25</span>
<a name="l00073"></a><a class="code" href="a00164.html#gf7dd2757d1e766f65b01ba7c91c660a0">00073</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_period 0x2e</span>
<a name="l00074"></a><a class="code" href="a00164.html#g820fb27c50e7bb4ac6d9eae1b06630a5">00074</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_slash 0x2f</span>
<a name="l00075"></a><a class="code" href="a00164.html#g14e276fa8e765f774f4162619f1c8fc1">00075</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_colon 0x3a</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span>
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00079"></a>00079 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>
<a name="l00080"></a>00080 generate_part_of_file(<span class="keywordtype">void</span> *state)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <span class="keyword">struct </span><a class="code" href="a00080.html">httpd_state</a> *s = (<span class="keyword">struct </span><a class="code" href="a00080.html">httpd_state</a> *)state;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordflow">if</span>(s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len > <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>()) {
<a name="l00085"></a>00085 s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a> = <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>();
<a name="l00086"></a>00086 } <span class="keywordflow">else</span> {
<a name="l00087"></a>00087 s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a> = s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 memcpy(<a class="code" href="a00150.html#g561b8eda32e059d4e7397f776268cc63">uip_appdata</a>, s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data, s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a>);
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">return</span> s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a>;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00094"></a>00094 <span class="keyword">static</span>
<a name="l00095"></a>00095 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_THREAD</a>(send_file(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s))
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <a class="code" href="a00158.html#g84901a5aa60040e96d272a69977edd22">PSOCK_BEGIN</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keywordflow">do</span> {
<a name="l00100"></a>00100 <a class="code" href="a00158.html#g10d9a9201cba1a6db623284c475c6cea">PSOCK_GENERATOR_SEND</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, generate_part_of_file, s);
<a name="l00101"></a>00101 s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len -= s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a>;
<a name="l00102"></a>00102 s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data += s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a>;
<a name="l00103"></a>00103 } <span class="keywordflow">while</span>(s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len > 0);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <a class="code" href="a00158.html#g4a264bb64ae706d53f572b1d9e4037a2">PSOCK_END</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00108"></a>00108 <span class="keyword">static</span>
<a name="l00109"></a>00109 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_THREAD</a>(send_part_of_file(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s))
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <a class="code" href="a00158.html#g84901a5aa60040e96d272a69977edd22">PSOCK_BEGIN</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>);
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <a class="code" href="a00158.html#g70d236d1cf34b4e21836edda60247b70">PSOCK_SEND</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data, s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a>);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <a class="code" href="a00158.html#g4a264bb64ae706d53f572b1d9e4037a2">PSOCK_END</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>);
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00118"></a>00118 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00119"></a>00119 next_scriptstate(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordtype">char</span> *p;
<a name="l00122"></a>00122 p = strchr(s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a>, <a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>) + 1;
<a name="l00123"></a>00123 s-><a class="code" href="a00080.html#16a3a3056f44b7245ce085b937a269dd">scriptlen</a> -= (<span class="keywordtype">unsigned</span> short)(p - s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a>);
<a name="l00124"></a>00124 s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a> = p;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00127"></a>00127 <span class="keyword">static</span>
<a name="l00128"></a>00128 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_THREAD</a>(handle_script(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s))
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="keywordtype">char</span> *ptr;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <a class="code" href="a00142.html#g2ffbb9e554e08a343ae2f9de4bedfdfc">PT_BEGIN</a>(&s-><a class="code" href="a00080.html#e261f08e1556287d241764fb2e99fc26">scriptpt</a>);
<a name="l00133"></a>00133
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordflow">while</span>(s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len > 0) {
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">/* Check if we should start executing a script. */</span>
<a name="l00138"></a>00138 <span class="keywordflow">if</span>(*s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data == <a class="code" href="a00164.html#g79f9a50c2cccb967d38a2eeb45d2fd75">ISO_percent</a> &&
<a name="l00139"></a>00139 *(s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data + 1) == <a class="code" href="a00164.html#ge3f8f7deae69854853b0c8ebb82c380d">ISO_bang</a>) {
<a name="l00140"></a>00140 s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a> = s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data + 3;
<a name="l00141"></a>00141 s-><a class="code" href="a00080.html#16a3a3056f44b7245ce085b937a269dd">scriptlen</a> = s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len - 3;
<a name="l00142"></a>00142 <span class="keywordflow">if</span>(*(s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a> - 1) == <a class="code" href="a00164.html#g14e276fa8e765f774f4162619f1c8fc1">ISO_colon</a>) {
<a name="l00143"></a>00143 httpd_fs_open(s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a> + 1, &s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>);
<a name="l00144"></a>00144 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s-><a class="code" href="a00080.html#e261f08e1556287d241764fb2e99fc26">scriptpt</a>, send_file(s));
<a name="l00145"></a>00145 } <span class="keywordflow">else</span> {
<a name="l00146"></a>00146 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s-><a class="code" href="a00080.html#e261f08e1556287d241764fb2e99fc26">scriptpt</a>,
<a name="l00147"></a>00147 <a class="code" href="a00164.html#ge6f849e94cf6e214be8ffa9a548ecfcd">httpd_cgi</a>(s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a>)(s, s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a>));
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 next_scriptstate(s);
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="comment">/* The script is over, so we reset the pointers and continue</span>
<a name="l00152"></a>00152 <span class="comment"> sending the rest of the file. */</span>
<a name="l00153"></a>00153 s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data = s-><a class="code" href="a00080.html#78f82878f3fd0e7401c7d7d3b3fefbef">scriptptr</a>;
<a name="l00154"></a>00154 s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len = s-><a class="code" href="a00080.html#16a3a3056f44b7245ce085b937a269dd">scriptlen</a>;
<a name="l00155"></a>00155 } <span class="keywordflow">else</span> {
<a name="l00156"></a>00156 <span class="comment">/* See if we find the start of script marker in the block of HTML</span>
<a name="l00157"></a>00157 <span class="comment"> to be sent. */</span>
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">if</span>(s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len > <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>()) {
<a name="l00160"></a>00160 s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a> = <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>();
<a name="l00161"></a>00161 } <span class="keywordflow">else</span> {
<a name="l00162"></a>00162 s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a> = s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len;
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keywordflow">if</span>(*s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data == <a class="code" href="a00164.html#g79f9a50c2cccb967d38a2eeb45d2fd75">ISO_percent</a>) {
<a name="l00166"></a>00166 ptr = strchr(s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data + 1, <a class="code" href="a00164.html#g79f9a50c2cccb967d38a2eeb45d2fd75">ISO_percent</a>);
<a name="l00167"></a>00167 } <span class="keywordflow">else</span> {
<a name="l00168"></a>00168 ptr = strchr(s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data, <a class="code" href="a00164.html#g79f9a50c2cccb967d38a2eeb45d2fd75">ISO_percent</a>);
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 <span class="keywordflow">if</span>(ptr != <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> &&
<a name="l00171"></a>00171 ptr != s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data) {
<a name="l00172"></a>00172 s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a> = (int)(ptr - s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data);
<a name="l00173"></a>00173 <span class="keywordflow">if</span>(s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a> >= <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>()) {
<a name="l00174"></a>00174 s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a> = <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>();
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s-><a class="code" href="a00080.html#e261f08e1556287d241764fb2e99fc26">scriptpt</a>, send_part_of_file(s));
<a name="l00178"></a>00178 s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.data += s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a>;
<a name="l00179"></a>00179 s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>.len -= s-><a class="code" href="a00080.html#468c04fff28e784f93ebc3f0849211dd">len</a>;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <a class="code" href="a00142.html#g7b04a0035bef29d905496c23bae066d2">PT_END</a>(&s-><a class="code" href="a00080.html#e261f08e1556287d241764fb2e99fc26">scriptpt</a>);
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00187"></a>00187 <span class="keyword">static</span>
<a name="l00188"></a>00188 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_THREAD</a>(send_headers(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s, <span class="keyword">const</span> <span class="keywordtype">char</span> *statushdr))
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="keywordtype">char</span> *ptr;
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <a class="code" href="a00158.html#g84901a5aa60040e96d272a69977edd22">PSOCK_BEGIN</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>);
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, statushdr);
<a name="l00195"></a>00195
<a name="l00196"></a>00196 ptr = strrchr(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>, <a class="code" href="a00161.html#gf7dd2757d1e766f65b01ba7c91c660a0">ISO_period</a>);
<a name="l00197"></a>00197 <span class="keywordflow">if</span>(ptr == <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00198"></a>00198 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, http_content_type_binary);
<a name="l00199"></a>00199 } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strncmp(http_html, ptr, 5) == 0 ||
<a name="l00200"></a>00200 strncmp(http_shtml, ptr, 6) == 0) {
<a name="l00201"></a>00201 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, http_content_type_html);
<a name="l00202"></a>00202 } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strncmp(http_css, ptr, 4) == 0) {
<a name="l00203"></a>00203 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, http_content_type_css);
<a name="l00204"></a>00204 } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strncmp(http_png, ptr, 4) == 0) {
<a name="l00205"></a>00205 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, http_content_type_png);
<a name="l00206"></a>00206 } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strncmp(http_gif, ptr, 4) == 0) {
<a name="l00207"></a>00207 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, http_content_type_gif);
<a name="l00208"></a>00208 } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strncmp(http_jpg, ptr, 4) == 0) {
<a name="l00209"></a>00209 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, http_content_type_jpg);
<a name="l00210"></a>00210 } <span class="keywordflow">else</span> {
<a name="l00211"></a>00211 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, http_content_type_plain);
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 <a class="code" href="a00158.html#g4a264bb64ae706d53f572b1d9e4037a2">PSOCK_END</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00216"></a>00216 <span class="keyword">static</span>
<a name="l00217"></a>00217 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_THREAD</a>(handle_output(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s))
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 <span class="keywordtype">char</span> *ptr;
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <a class="code" href="a00142.html#g2ffbb9e554e08a343ae2f9de4bedfdfc">PT_BEGIN</a>(&s->outputpt);
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="keywordflow">if</span>(!httpd_fs_open(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>, &s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>)) {
<a name="l00224"></a>00224 httpd_fs_open(http_404_html, &s-><a class="code" href="a00080.html#5e274a8f8b5fb2b3999c54fe27c76e46">file</a>);
<a name="l00225"></a>00225 strcpy(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>, http_404_html);
<a name="l00226"></a>00226 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s->outputpt,
<a name="l00227"></a>00227 send_headers(s,
<a name="l00228"></a>00228 http_header_404));
<a name="l00229"></a>00229 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s->outputpt,
<a name="l00230"></a>00230 send_file(s));
<a name="l00231"></a>00231 } <span class="keywordflow">else</span> {
<a name="l00232"></a>00232 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s->outputpt,
<a name="l00233"></a>00233 send_headers(s,
<a name="l00234"></a>00234 http_header_200));
<a name="l00235"></a>00235 ptr = strchr(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>, <a class="code" href="a00161.html#gf7dd2757d1e766f65b01ba7c91c660a0">ISO_period</a>);
<a name="l00236"></a>00236 <span class="keywordflow">if</span>(ptr != <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && strncmp(ptr, http_shtml, 6) == 0) {
<a name="l00237"></a>00237 <a class="code" href="a00142.html#ge6bae7dc0225468c8a5ac269df549892">PT_INIT</a>(&s-><a class="code" href="a00080.html#e261f08e1556287d241764fb2e99fc26">scriptpt</a>);
<a name="l00238"></a>00238 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s->outputpt, handle_script(s));
<a name="l00239"></a>00239 } <span class="keywordflow">else</span> {
<a name="l00240"></a>00240 <a class="code" href="a00142.html#g2f8f70c30b9ee08a103fbd69a4365c4c">PT_WAIT_THREAD</a>(&s->outputpt,
<a name="l00241"></a>00241 send_file(s));
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244 <a class="code" href="a00158.html#g5d56800f82bfc7bbf53bb4a659589812">PSOCK_CLOSE</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>);
<a name="l00245"></a>00245 <a class="code" href="a00142.html#g7b04a0035bef29d905496c23bae066d2">PT_END</a>(&s->outputpt);
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00248"></a>00248 <span class="keyword">static</span>
<a name="l00249"></a>00249 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_THREAD</a>(handle_input(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s))
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 <a class="code" href="a00158.html#g84901a5aa60040e96d272a69977edd22">PSOCK_BEGIN</a>(&s->sin);
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <a class="code" href="a00158.html#gb5d9c0becf7cb32d0aaef466839dd92e">PSOCK_READTO</a>(&s->sin, <a class="code" href="a00163.html#g71e1b022f7b7fa3a154f19372b239935">ISO_space</a>);
<a name="l00254"></a>00254
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordflow">if</span>(strncmp(s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>, http_get, 4) != 0) {
<a name="l00257"></a>00257 <a class="code" href="a00158.html#gc7cc1dba1819f7fcdaa9ff9eed5a08f4">PSOCK_CLOSE_EXIT</a>(&s->sin);
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259 <a class="code" href="a00158.html#gb5d9c0becf7cb32d0aaef466839dd92e">PSOCK_READTO</a>(&s->sin, <a class="code" href="a00163.html#g71e1b022f7b7fa3a154f19372b239935">ISO_space</a>);
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="keywordflow">if</span>(s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>[0] != <a class="code" href="a00164.html#g820fb27c50e7bb4ac6d9eae1b06630a5">ISO_slash</a>) {
<a name="l00262"></a>00262 <a class="code" href="a00158.html#gc7cc1dba1819f7fcdaa9ff9eed5a08f4">PSOCK_CLOSE_EXIT</a>(&s->sin);
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keywordflow">if</span>(s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>[1] == <a class="code" href="a00163.html#g71e1b022f7b7fa3a154f19372b239935">ISO_space</a>) {
<a name="l00266"></a>00266 strncpy(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>, http_index_html, <span class="keyword">sizeof</span>(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>));
<a name="l00267"></a>00267 } <span class="keywordflow">else</span> {
<a name="l00268"></a>00268 s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>[<a class="code" href="a00158.html#g4ab2de595d36e9e55dd61f6ecd139162">PSOCK_DATALEN</a>(&s->sin) - 1] = 0;
<a name="l00269"></a>00269 strncpy(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>, &s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>[0], <span class="keyword">sizeof</span>(s-><a class="code" href="a00080.html#447eb700ea7a185e0f155934995d49e5">filename</a>));
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="comment">/* httpd_log_file(uip_conn->ripaddr, s->filename);*/</span>
<a name="l00273"></a>00273
<a name="l00274"></a>00274 s-><a class="code" href="a00080.html#94fcc9f5c47f419040d849ce58beae35">state</a> = <a class="code" href="a00164.html#g8a645f8831837320c4e0c704e871abcf">STATE_OUTPUT</a>;
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordflow">while</span>(1) {
<a name="l00277"></a>00277 <a class="code" href="a00158.html#gb5d9c0becf7cb32d0aaef466839dd92e">PSOCK_READTO</a>(&s->sin, <a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>);
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keywordflow">if</span>(strncmp(s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>, http_referer, 8) == 0) {
<a name="l00280"></a>00280 s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>[<a class="code" href="a00158.html#g4ab2de595d36e9e55dd61f6ecd139162">PSOCK_DATALEN</a>(&s->sin) - 2] = 0;
<a name="l00281"></a>00281 <span class="comment">/* httpd_log(&s->inputbuf[9]);*/</span>
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <a class="code" href="a00158.html#g4a264bb64ae706d53f572b1d9e4037a2">PSOCK_END</a>(&s->sin);
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00288"></a>00288 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00289"></a>00289 handle_connection(<span class="keyword">struct</span> <a class="code" href="a00080.html">httpd_state</a> *s)
<a name="l00290"></a>00290 {
<a name="l00291"></a>00291 handle_input(s);
<a name="l00292"></a>00292 <span class="keywordflow">if</span>(s-><a class="code" href="a00080.html#94fcc9f5c47f419040d849ce58beae35">state</a> == <a class="code" href="a00164.html#g8a645f8831837320c4e0c704e871abcf">STATE_OUTPUT</a>) {
<a name="l00293"></a>00293 handle_output(s);
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 <span class="comment">/*---------------------------------------------------------------------------*/</span>
<a name="l00297"></a>00297 <span class="keywordtype">void</span>
<a name="l00298"></a><a class="code" href="a00164.html#g648ddfb2dde2cc55034e4e0ea41cb6d1">00298</a> <a class="code" href="a00164.html#g648ddfb2dde2cc55034e4e0ea41cb6d1">httpd_appcall</a>(<span class="keywordtype">void</span>)
<a name="l00299"></a>00299 {
<a name="l00300"></a>00300 <span class="keyword">struct </span><a class="code" href="a00080.html">httpd_state</a> *s = (<span class="keyword">struct </span><a class="code" href="a00080.html">httpd_state</a> *)&(<a class="code" href="a00088.html">uip_conn</a>->appstate);
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#gef6c4140c632b6a406779342cf3b6eb6">uip_closed</a>() || <a class="code" href="a00147.html#gfbd5fc486dfdf6bf6fc9db52b1f418c4">uip_aborted</a>() || <a class="code" href="a00147.html#g7b2ac4b18bd2ac3912fe67b3b17158c3">uip_timedout</a>()) {
<a name="l00303"></a>00303 } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<a class="code" href="a00147.html#gdb971fb1525d0c5002f52125b05f3218">uip_connected</a>()) {
<a name="l00304"></a>00304 <a class="code" href="a00158.html#g26ae707402e494f3895a9f012a93ea29">PSOCK_INIT</a>(&s->sin, s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>, <span class="keyword">sizeof</span>(s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>) - 1);
<a name="l00305"></a>00305 <a class="code" href="a00158.html#g26ae707402e494f3895a9f012a93ea29">PSOCK_INIT</a>(&s-><a class="code" href="a00080.html#9dd8edeece221c853a4c4516bf1b01c2">sout</a>, s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>, <span class="keyword">sizeof</span>(s-><a class="code" href="a00080.html#4c6f843219271d25766ee5969e435d1a">inputbuf</a>) - 1);
<a name="l00306"></a>00306 <a class="code" href="a00142.html#ge6bae7dc0225468c8a5ac269df549892">PT_INIT</a>(&s->outputpt);
<a name="l00307"></a>00307 s-><a class="code" href="a00080.html#94fcc9f5c47f419040d849ce58beae35">state</a> = <a class="code" href="a00164.html#g7d7920c1e51cc4eef80206ebd6fee3f4">STATE_WAITING</a>;
<a name="l00308"></a>00308 <span class="comment">/* timer_set(&s->timer, CLOCK_SECOND * 100);*/</span>
<a name="l00309"></a>00309 s-><a class="code" href="a00080.html#c39694ece9526b84012f90f2bb00af9f">timer</a> = 0;
<a name="l00310"></a>00310 handle_connection(s);
<a name="l00311"></a>00311 } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(s != <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00312"></a>00312 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#g58bb90796c1cdad3aac2ecf44d87b20e">uip_poll</a>()) {
<a name="l00313"></a>00313 ++s-><a class="code" href="a00080.html#c39694ece9526b84012f90f2bb00af9f">timer</a>;
<a name="l00314"></a>00314 <span class="keywordflow">if</span>(s-><a class="code" href="a00080.html#c39694ece9526b84012f90f2bb00af9f">timer</a> >= 20) {
<a name="l00315"></a>00315 <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b56c">uip_abort</a>();
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 } <span class="keywordflow">else</span> {
<a name="l00318"></a>00318 s-><a class="code" href="a00080.html#c39694ece9526b84012f90f2bb00af9f">timer</a> = 0;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320 handle_connection(s);
<a name="l00321"></a>00321 } <span class="keywordflow">else</span> {
<a name="l00322"></a>00322 <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b56c">uip_abort</a>();
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00326"></a>00326 <span class="comment">/**</span>
<a name="l00327"></a>00327 <span class="comment"> * \brief Initialize the web server</span>
<a name="l00328"></a>00328 <span class="comment"> *</span>
<a name="l00329"></a>00329 <span class="comment"> * This function initializes the web server and should be</span>
<a name="l00330"></a>00330 <span class="comment"> * called at system boot-up.</span>
<a name="l00331"></a>00331 <span class="comment"> */</span>
<a name="l00332"></a>00332 <span class="keywordtype">void</span>
<a name="l00333"></a><a class="code" href="a00164.html#gc364305cee969a0be43c071722b136e6">00333</a> <a class="code" href="a00164.html#gc364305cee969a0be43c071722b136e6">httpd_init</a>(<span class="keywordtype">void</span>)
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335 <a class="code" href="a00147.html#gdd1ab3704ecd4900eec61a6897d32dc8">uip_listen</a>(<a class="code" href="a00148.html#g69a7a4951ff21b302267532c21ee78fc">HTONS</a>(80));
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 <span class="comment">/*---------------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00338"></a>00338 <span class="comment">/** @} */</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Jun 12 10:23:01 2006 for uIP 1.0 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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