Skip to content

R
rt-thread

wwsmg1 / rt-thread
与 Fork 源项目一致

Fork自 RT-Thread / rt-thread

通知 1
Star 1
Fork 0
R
rt-thread

体验新版 GitCode，发现更多精彩内容 >>

切换分支/标签
查找文件 普通视图历史永久链接Permalink
a00181.html 24.8 KB
Newer Older
I
add uip  
itspy.wei 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 
<!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/webclient/webclient.h 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&nbsp;Page</span></a></li>
    <li><a href="modules.html"><span>Modules</span></a></li>
    <li><a href="classes.html"><span>Data&nbsp;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&nbsp;List</span></a></li>
    <li><a href="globals.html"><span>Globals</span></a></li>
  </ul></div>
<h1>apps/webclient/webclient.h</h1><a href="a00111.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 webclient</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"> * \file</span>
<a name="l00008"></a>00008 <span class="comment"> * Header file for the HTTP client.</span>
<a name="l00009"></a>00009 <span class="comment"> * \author Adam Dunkels &lt;adam@dunkels.com&gt;</span>
<a name="l00010"></a>00010 <span class="comment"> */</span>
<a name="l00011"></a>00011 
<a name="l00012"></a>00012 <span class="comment">/*</span>
<a name="l00013"></a>00013 <span class="comment"> * Copyright (c) 2002, Adam Dunkels.</span>
<a name="l00014"></a>00014 <span class="comment"> * All rights reserved.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00017"></a>00017 <span class="comment"> * modification, are permitted provided that the following conditions</span>
<a name="l00018"></a>00018 <span class="comment"> * are met:</span>
<a name="l00019"></a>00019 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
<a name="l00020"></a>00020 <span class="comment"> *    notice, this list of conditions and the following disclaimer.</span>
<a name="l00021"></a>00021 <span class="comment"> * 2. Redistributions in binary form must reproduce the above</span>
<a name="l00022"></a>00022 <span class="comment"> *    copyright notice, this list of conditions and the following</span>
<a name="l00023"></a>00023 <span class="comment"> *    disclaimer in the documentation and/or other materials provided</span>
<a name="l00024"></a>00024 <span class="comment"> *    with the distribution.</span>
<a name="l00025"></a>00025 <span class="comment"> * 3. The name of the author may not be used to endorse or promote</span>
<a name="l00026"></a>00026 <span class="comment"> *    products derived from this software without specific prior</span>
<a name="l00027"></a>00027 <span class="comment"> *    written permission.</span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS</span>
<a name="l00030"></a>00030 <span class="comment"> * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
<a name="l00031"></a>00031 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
<a name="l00032"></a>00032 <span class="comment"> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY</span>
<a name="l00033"></a>00033 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span>
<a name="l00034"></a>00034 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE</span>
<a name="l00035"></a>00035 <span class="comment"> * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
<a name="l00036"></a>00036 <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,</span>
<a name="l00037"></a>00037 <span class="comment"> * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span>
<a name="l00038"></a>00038 <span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00039"></a>00039 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00040"></a>00040 <span class="comment"> *</span>
<a name="l00041"></a>00041 <span class="comment"> * This file is part of the uIP TCP/IP stack.</span>
<a name="l00042"></a>00042 <span class="comment"> *</span>
<a name="l00043"></a>00043 <span class="comment"> * $Id: webclient.h,v 1.2 2006/06/11 21:46:37 adam Exp $</span>
<a name="l00044"></a>00044 <span class="comment"> *</span>
<a name="l00045"></a>00045 <span class="comment"> */</span>
<a name="l00046"></a>00046 <span class="preprocessor">#ifndef __WEBCLIENT_H__</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#define __WEBCLIENT_H__</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="preprocessor">#include "webclient-strings.h"</span>
<a name="l00051"></a>00051 <span class="preprocessor">#include "<a class="code" href="a00140.html">uipopt.h</a>"</span>
<a name="l00052"></a>00052 
<a name="l00053"></a><a class="code" href="a00163.html#g5a5bfd7e9060903893481db90645187b">00053</a> <span class="preprocessor">#define WEBCLIENT_CONF_MAX_URLLEN 100</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a><a class="code" href="a00097.html">00055</a> <span class="keyword">struct </span><a class="code" href="a00097.html">webclient_state</a> {
<a name="l00056"></a><a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8">00056</a>   <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> <a class="code" href="a00087.html">timer</a>;
<a name="l00057"></a><a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">00057</a>   <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> <a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a>;
<a name="l00058"></a><a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7d">00058</a>   <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> <a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7d">httpflag</a>;
<a name="l00059"></a>00059 
<a name="l00060"></a><a class="code" href="a00097.html#7092781c50dcad50f473888585c85b83">00060</a>   <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="a00097.html#7092781c50dcad50f473888585c85b83">port</a>;
<a name="l00061"></a><a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">00061</a>   <span class="keywordtype">char</span> <a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>[40];
<a name="l00062"></a><a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">00062</a>   <span class="keywordtype">char</span> <a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>[<a class="code" href="a00163.html#g5a5bfd7e9060903893481db90645187b">WEBCLIENT_CONF_MAX_URLLEN</a>];
<a name="l00063"></a><a class="code" href="a00097.html#134ec55c3d5abaebfed4ff8edfedf1ea">00063</a>   <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="a00097.html#134ec55c3d5abaebfed4ff8edfedf1ea">getrequestptr</a>;
<a name="l00064"></a><a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">00064</a>   <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">getrequestleft</a>;
<a name="l00065"></a>00065   
<a name="l00066"></a><a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">00066</a>   <span class="keywordtype">char</span> <a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[200];
<a name="l00067"></a><a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">00067</a>   <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a>;
<a name="l00068"></a>00068 
<a name="l00069"></a><a class="code" href="a00097.html#fb60f42593d305ea36d9b4303722696e">00069</a>   <span class="keywordtype">char</span> <a class="code" href="a00097.html#fb60f42593d305ea36d9b4303722696e">mimetype</a>[32];
<a name="l00070"></a>00070 };
<a name="l00071"></a>00071 
<a name="l00072"></a><a class="code" href="a00163.html#gdc5aec3587b2c55b714a6c2f37b56cba">00072</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="a00097.html">webclient_state</a> <a class="code" href="a00153.html#g69646a81a922033c5281445a71f8ffed">uip_tcp_appstate_t</a>;
<a name="l00073"></a><a class="code" href="a00163.html#ge28f6cb60e86088d8886d0f804b4f37c">00073</a> <span class="preprocessor">#define UIP_APPCALL webclient_appcall</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00075"></a>00075 <span class="comment">/**</span>
<a name="l00076"></a>00076 <span class="comment"> * Callback function that is called from the webclient code when HTTP</span>
<a name="l00077"></a>00077 <span class="comment"> * data has been received.</span>
<a name="l00078"></a>00078 <span class="comment"> *</span>
<a name="l00079"></a>00079 <span class="comment"> * This function must be implemented by the module that uses the</span>
<a name="l00080"></a>00080 <span class="comment"> * webclient code. The function is called from the webclient module</span>
<a name="l00081"></a>00081 <span class="comment"> * when HTTP data has been received. The function is not called when</span>
<a name="l00082"></a>00082 <span class="comment"> * HTTP headers are received, only for the actual data.</span>
<a name="l00083"></a>00083 <span class="comment"> *</span>
<a name="l00084"></a>00084 <span class="comment"> * \note This function is called many times, repetedly, when data is</span>
<a name="l00085"></a>00085 <span class="comment"> * being received, and not once when all data has been received.</span>
<a name="l00086"></a>00086 <span class="comment"> *</span>
<a name="l00087"></a>00087 <span class="comment"> * \param data A pointer to the data that has been received.</span>
<a name="l00088"></a>00088 <span class="comment"> * \param len The length of the data that has been received.</span>
<a name="l00089"></a>00089 <span class="comment"> */</span>
<a name="l00090"></a>00090 <span class="keywordtype">void</span> <a class="code" href="a00163.html#gc4b119801e50cc1824498a1cdf9adc37">webclient_datahandler</a>(<span class="keywordtype">char</span> *data, <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> len);
<a name="l00091"></a>00091 <span class="comment"></span>
<a name="l00092"></a>00092 <span class="comment">/**</span>
<a name="l00093"></a>00093 <span class="comment"> * Callback function that is called from the webclient code when the</span>
<a name="l00094"></a>00094 <span class="comment"> * HTTP connection has been connected to the web server.</span>
<a name="l00095"></a>00095 <span class="comment"> *</span>
<a name="l00096"></a>00096 <span class="comment"> * This function must be implemented by the module that uses the</span>
<a name="l00097"></a>00097 <span class="comment"> * webclient code.</span>
<a name="l00098"></a>00098 <span class="comment"> */</span>
<a name="l00099"></a>00099 <span class="keywordtype">void</span> <a class="code" href="a00163.html#g6b942c1ef22f8cd1a726ef3364c9fbea">webclient_connected</a>(<span class="keywordtype">void</span>);
<a name="l00100"></a>00100 <span class="comment"></span>
<a name="l00101"></a>00101 <span class="comment">/**</span>
<a name="l00102"></a>00102 <span class="comment"> * Callback function that is called from the webclient code if the</span>
<a name="l00103"></a>00103 <span class="comment"> * HTTP connection to the web server has timed out.</span>
<a name="l00104"></a>00104 <span class="comment"> *</span>
<a name="l00105"></a>00105 <span class="comment"> * This function must be implemented by the module that uses the</span>
<a name="l00106"></a>00106 <span class="comment"> * webclient code.</span>
<a name="l00107"></a>00107 <span class="comment"> */</span>
<a name="l00108"></a>00108 <span class="keywordtype">void</span> <a class="code" href="a00163.html#g23705efb9077187881f094fc9be13bde">webclient_timedout</a>(<span class="keywordtype">void</span>);
<a name="l00109"></a>00109 <span class="comment"></span>
<a name="l00110"></a>00110 <span class="comment">/**</span>
<a name="l00111"></a>00111 <span class="comment"> * Callback function that is called from the webclient code if the</span>
<a name="l00112"></a>00112 <span class="comment"> * HTTP connection to the web server has been aborted by the web</span>
<a name="l00113"></a>00113 <span class="comment"> * server.</span>
<a name="l00114"></a>00114 <span class="comment"> *</span>
<a name="l00115"></a>00115 <span class="comment"> * This function must be implemented by the module that uses the</span>
<a name="l00116"></a>00116 <span class="comment"> * webclient code.</span>
<a name="l00117"></a>00117 <span class="comment"> */</span>
<a name="l00118"></a>00118 <span class="keywordtype">void</span> <a class="code" href="a00163.html#gf11d9915ec12a8cdd9fdcbb5e8fcd5c7">webclient_aborted</a>(<span class="keywordtype">void</span>);
<a name="l00119"></a>00119 <span class="comment"></span>
<a name="l00120"></a>00120 <span class="comment">/**</span>
<a name="l00121"></a>00121 <span class="comment"> * Callback function that is called from the webclient code when the</span>
<a name="l00122"></a>00122 <span class="comment"> * HTTP connection to the web server has been closed.</span>
<a name="l00123"></a>00123 <span class="comment"> *</span>
<a name="l00124"></a>00124 <span class="comment"> * This function must be implemented by the module that uses the</span>
<a name="l00125"></a>00125 <span class="comment"> * webclient code.</span>
<a name="l00126"></a>00126 <span class="comment"> */</span>
<a name="l00127"></a>00127 <span class="keywordtype">void</span> <a class="code" href="a00163.html#gf8f12c820cc08da32aa62898bfc02db3">webclient_closed</a>(<span class="keywordtype">void</span>);
<a name="l00128"></a>00128 
<a name="l00129"></a>00129 
<a name="l00130"></a>00130 <span class="comment"></span>
<a name="l00131"></a>00131 <span class="comment">/**</span>
<a name="l00132"></a>00132 <span class="comment"> * Initialize the webclient module.</span>
<a name="l00133"></a>00133 <span class="comment"> */</span>
<a name="l00134"></a>00134 <span class="keywordtype">void</span> <a class="code" href="a00163.html#g3caacabb2fe1c71921e1a471719ccbd2">webclient_init</a>(<span class="keywordtype">void</span>);
<a name="l00135"></a>00135 <span class="comment"></span>
<a name="l00136"></a>00136 <span class="comment">/**</span>
<a name="l00137"></a>00137 <span class="comment"> * Open an HTTP connection to a web server and ask for a file using</span>
<a name="l00138"></a>00138 <span class="comment"> * the GET method.</span>
<a name="l00139"></a>00139 <span class="comment"> *</span>
<a name="l00140"></a>00140 <span class="comment"> * This function opens an HTTP connection to the specified web server</span>
<a name="l00141"></a>00141 <span class="comment"> * and requests the specified file using the GET method. When the HTTP</span>
<a name="l00142"></a>00142 <span class="comment"> * connection has been connected, the webclient_connected() callback</span>
<a name="l00143"></a>00143 <span class="comment"> * function is called and when the HTTP data arrives the</span>
<a name="l00144"></a>00144 <span class="comment"> * webclient_datahandler() callback function is called.</span>
<a name="l00145"></a>00145 <span class="comment"> *</span>
<a name="l00146"></a>00146 <span class="comment"> * The callback function webclient_timedout() is called if the web</span>
<a name="l00147"></a>00147 <span class="comment"> * server could not be contacted, and the webclient_aborted() callback</span>
<a name="l00148"></a>00148 <span class="comment"> * function is called if the HTTP connection is aborted by the web</span>
<a name="l00149"></a>00149 <span class="comment"> * server.</span>
<a name="l00150"></a>00150 <span class="comment"> *</span>
<a name="l00151"></a>00151 <span class="comment"> * When the HTTP request has been completed and the HTTP connection is</span>
<a name="l00152"></a>00152 <span class="comment"> * closed, the webclient_closed() callback function will be called.</span>
<a name="l00153"></a>00153 <span class="comment"> *</span>
<a name="l00154"></a>00154 <span class="comment"> * \note If the function is passed a host name, it must already be in</span>
<a name="l00155"></a>00155 <span class="comment"> * the resolver cache in order for the function to connect to the web</span>
<a name="l00156"></a>00156 <span class="comment"> * server. It is therefore up to the calling module to implement the</span>
<a name="l00157"></a>00157 <span class="comment"> * resolver calls and the signal handler used for reporting a resolv</span>
<a name="l00158"></a>00158 <span class="comment"> * query answer.</span>
<a name="l00159"></a>00159 <span class="comment"> *</span>
<a name="l00160"></a>00160 <span class="comment"> * \param host A pointer to a string containing either a host name or</span>
<a name="l00161"></a>00161 <span class="comment"> * a numerical IP address in dotted decimal notation (e.g., 192.168.23.1).</span>
<a name="l00162"></a>00162 <span class="comment"> *</span>
<a name="l00163"></a>00163 <span class="comment"> * \param port The port number to which to connect, in host byte order.</span>
<a name="l00164"></a>00164 <span class="comment"> *</span>
<a name="l00165"></a>00165 <span class="comment"> * \param file A pointer to the name of the file to get.</span>
<a name="l00166"></a>00166 <span class="comment"> *</span>
<a name="l00167"></a>00167 <span class="comment"> * \retval 0 if the host name could not be found in the cache, or</span>
<a name="l00168"></a>00168 <span class="comment"> * if a TCP connection could not be created.</span>
<a name="l00169"></a>00169 <span class="comment"> *</span>
<a name="l00170"></a>00170 <span class="comment"> * \retval 1 if the connection was initiated.</span>
<a name="l00171"></a>00171 <span class="comment"> */</span>
<a name="l00172"></a>00172 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a00163.html#gf9385ef9ecc74c7d53ff2f15e62bfde3">webclient_get</a>(<span class="keywordtype">char</span> *<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>, <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="a00097.html#7092781c50dcad50f473888585c85b83">port</a>, <span class="keywordtype">char</span> *<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>);
<a name="l00173"></a>00173 <span class="comment"></span>
<a name="l00174"></a>00174 <span class="comment">/**</span>
<a name="l00175"></a>00175 <span class="comment"> * Close the currently open HTTP connection.</span>
<a name="l00176"></a>00176 <span class="comment"> */</span>
<a name="l00177"></a>00177 <span class="keywordtype">void</span> <a class="code" href="a00163.html#g1d34be506a61db90dd7829117efdf8cf">webclient_close</a>(<span class="keywordtype">void</span>);
<a name="l00178"></a>00178 <span class="keywordtype">void</span> <a class="code" href="a00163.html#g9e6d2864f390a4ba1ac60dc65e2b9815">webclient_appcall</a>(<span class="keywordtype">void</span>);
<a name="l00179"></a>00179 <span class="comment"></span>
<a name="l00180"></a>00180 <span class="comment">/**</span>
<a name="l00181"></a>00181 <span class="comment"> * Obtain the MIME type of the current HTTP data stream.</span>
<a name="l00182"></a>00182 <span class="comment"> *</span>
<a name="l00183"></a>00183 <span class="comment"> * \return A pointer to a string contaning the MIME type. The string</span>
<a name="l00184"></a>00184 <span class="comment"> * may be empty if no MIME type was reported by the web server.</span>
<a name="l00185"></a>00185 <span class="comment"> */</span>
<a name="l00186"></a>00186 <span class="keywordtype">char</span> *<a class="code" href="a00163.html#g4433d3af16ea083a81576d0f18ba57c9">webclient_mimetype</a>(<span class="keywordtype">void</span>);
<a name="l00187"></a>00187 <span class="comment"></span>
<a name="l00188"></a>00188 <span class="comment">/**</span>
<a name="l00189"></a>00189 <span class="comment"> * Obtain the filename of the current HTTP data stream.</span>
<a name="l00190"></a>00190 <span class="comment"> *</span>
<a name="l00191"></a>00191 <span class="comment"> * The filename of an HTTP request may be changed by the web server,</span>
<a name="l00192"></a>00192 <span class="comment"> * and may therefore not be the same as when the original GET request</span>
<a name="l00193"></a>00193 <span class="comment"> * was made with webclient_get(). This function is used for obtaining</span>
<a name="l00194"></a>00194 <span class="comment"> * the current filename.</span>
<a name="l00195"></a>00195 <span class="comment"> *</span>
<a name="l00196"></a>00196 <span class="comment"> * \return A pointer to the current filename.</span>
<a name="l00197"></a>00197 <span class="comment"> */</span>
<a name="l00198"></a>00198 <span class="keywordtype">char</span> *<a class="code" href="a00163.html#g41e616d3fcc17e0aabfe8ab45ef0d30f">webclient_filename</a>(<span class="keywordtype">void</span>);
<a name="l00199"></a>00199 <span class="comment"></span>
<a name="l00200"></a>00200 <span class="comment">/**</span>
<a name="l00201"></a>00201 <span class="comment"> * Obtain the hostname of the current HTTP data stream.</span>
<a name="l00202"></a>00202 <span class="comment"> *</span>
<a name="l00203"></a>00203 <span class="comment"> * The hostname of the web server of an HTTP request may be changed</span>
<a name="l00204"></a>00204 <span class="comment"> * by the web server, and may therefore not be the same as when the</span>
<a name="l00205"></a>00205 <span class="comment"> * original GET request was made with webclient_get(). This function</span>
<a name="l00206"></a>00206 <span class="comment"> * is used for obtaining the current hostname.</span>
<a name="l00207"></a>00207 <span class="comment"> *</span>
<a name="l00208"></a>00208 <span class="comment"> * \return A pointer to the current hostname.</span>
<a name="l00209"></a>00209 <span class="comment"> */</span>
<a name="l00210"></a>00210 <span class="keywordtype">char</span> *<a class="code" href="a00163.html#g0e0ea5f24b77f124ba33bcbc7ede5bfb">webclient_hostname</a>(<span class="keywordtype">void</span>);
<a name="l00211"></a>00211 <span class="comment"></span>
<a name="l00212"></a>00212 <span class="comment">/**</span>
<a name="l00213"></a>00213 <span class="comment"> * Obtain the port number of the current HTTP data stream.</span>
<a name="l00214"></a>00214 <span class="comment"> *</span>
<a name="l00215"></a>00215 <span class="comment"> * The port number of an HTTP request may be changed by the web</span>
<a name="l00216"></a>00216 <span class="comment"> * server, and may therefore not be the same as when the original GET</span>
<a name="l00217"></a>00217 <span class="comment"> * request was made with webclient_get(). This function is used for</span>
<a name="l00218"></a>00218 <span class="comment"> * obtaining the current port number.</span>
<a name="l00219"></a>00219 <span class="comment"> *</span>
<a name="l00220"></a>00220 <span class="comment"> * \return The port number of the current HTTP data stream, in host byte order.</span>
<a name="l00221"></a>00221 <span class="comment"> */</span>
<a name="l00222"></a>00222 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a00163.html#g2a939aa4fcffabbce1dc1f784a7e0ad3">webclient_port</a>(<span class="keywordtype">void</span>);
<a name="l00223"></a>00223 
<a name="l00224"></a>00224 
<a name="l00225"></a>00225 
<a name="l00226"></a>00226 <span class="preprocessor">#endif </span><span class="comment">/* __WEBCLIENT_H__ */</span>
<a name="l00227"></a>00227 <span class="comment"></span>
<a name="l00228"></a>00228 <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&nbsp;
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
</body>
</html>