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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>uIP 1.0: apps/webserver/httpd.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="classes.html"><span>Data Structures</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul></div><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>;⌨️ 快捷键说明
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