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10 <li><a href="main.html"><span>Main Page</span></a></li>
11 <li><a href="modules.html"><span>Modules</span></a></li>
12 <li><a href="classes.html"><span>Data Structures</span></a></li>
13 <li id="current"><a href="files.html"><span>Files</span></a></li>
14 <li><a href="examples.html"><span>Examples</span></a></li>
18 <li><a href="files.html"><span>File List</span></a></li>
19 <li><a href="globals.html"><span>Globals</span></a></li>
21 …lient.c</h1><a href="a00110.html">Go to the documentation of this file.</a><div class="fragment"><…
22 <a name="l00002"></a>00002 <span class="comment"> * \addtogroup apps</span>
23 <a name="l00003"></a>00003 <span class="comment"> * @{</span>
24 <a name="l00004"></a>00004 <span class="comment"> */</span>
25 <a name="l00005"></a>00005 <span class="comment"></span>
26 <a name="l00006"></a>00006 <span class="comment">/**</span>
27 <a name="l00007"></a>00007 <span class="comment"> * \defgroup webclient Web client</span>
28 <a name="l00008"></a>00008 <span class="comment"> * @{</span>
29 <a name="l00009"></a>00009 <span class="comment"> *</span>
30 <a name="l00010"></a>00010 <span class="comment"> * This example shows a HTTP client that is able t…
31 <a name="l00011"></a>00011 <span class="comment"> * and files from web servers. It requires a numbe…
32 <a name="l00012"></a>00012 <span class="comment"> * functions to be implemented by the module that …
33 <a name="l00013"></a>00013 <span class="comment"> * webclient_datahandler(), webclient_connected(),…
34 <a name="l00014"></a>00014 <span class="comment"> * webclient_timedout(), webclient_aborted(), webc…
35 <a name="l00015"></a>00015 <span class="comment"> */</span>
36 <a name="l00016"></a>00016 <span class="comment"></span>
37 <a name="l00017"></a>00017 <span class="comment">/**</span>
38 <a name="l00018"></a>00018 <span class="comment"> * \file</span>
39 <a name="l00019"></a>00019 <span class="comment"> * Implementation of the HTTP client.</span>
40 <a name="l00020"></a>00020 <span class="comment"> * \author Adam Dunkels <[email protected]></…
41 <a name="l00021"></a>00021 <span class="comment"> */</span>
42 <a name="l00022"></a>00022
43 <a name="l00023"></a>00023 <span class="comment">/*</span>
44 <a name="l00024"></a>00024 <span class="comment"> * Copyright (c) 2002, Adam Dunkels.</span>
45 <a name="l00025"></a>00025 <span class="comment"> * All rights reserved.</span>
46 <a name="l00026"></a>00026 <span class="comment"> *</span>
47 <a name="l00027"></a>00027 <span class="comment"> * Redistribution and use in source and binary for…
48 <a name="l00028"></a>00028 <span class="comment"> * modification, are permitted provided that the f…
49 <a name="l00029"></a>00029 <span class="comment"> * are met:</span>
50 <a name="l00030"></a>00030 <span class="comment"> * 1. Redistributions of source code must retain t…
51 <a name="l00031"></a>00031 <span class="comment"> * notice, this list of conditions and the foll…
52 <a name="l00032"></a>00032 <span class="comment"> * 2. Redistributions in binary form must reproduc…
53 <a name="l00033"></a>00033 <span class="comment"> * copyright notice, this list of conditions an…
54 <a name="l00034"></a>00034 <span class="comment"> * disclaimer in the documentation and/or other…
55 <a name="l00035"></a>00035 <span class="comment"> * with the distribution.</span>
56 <a name="l00036"></a>00036 <span class="comment"> * 3. The name of the author may not be used to en…
57 <a name="l00037"></a>00037 <span class="comment"> * products derived from this software without …
58 <a name="l00038"></a>00038 <span class="comment"> * written permission.</span>
59 <a name="l00039"></a>00039 <span class="comment"> *</span>
60 <a name="l00040"></a>00040 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS…
61 <a name="l00041"></a>00041 <span class="comment"> * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMIT…
62 <a name="l00042"></a>00042 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A…
63 <a name="l00043"></a>00043 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR B…
64 <a name="l00044"></a>00044 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLAR…
65 <a name="l00045"></a>00045 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCURE…
66 <a name="l00046"></a>00046 <span class="comment"> * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFIT…
67 <a name="l00047"></a>00047 <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY …
68 <a name="l00048"></a>00048 <span class="comment"> * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT …
69 <a name="l00049"></a>00049 <span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT…
70 <a name="l00050"></a>00050 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF…
71 <a name="l00051"></a>00051 <span class="comment"> *</span>
72 <a name="l00052"></a>00052 <span class="comment"> * This file is part of the uIP TCP/IP stack.</spa…
73 <a name="l00053"></a>00053 <span class="comment"> *</span>
74 <a name="l00054"></a>00054 <span class="comment"> * $Id: webclient.c,v 1.2 2006/06/11 21:46:37 adam…
75 <a name="l00055"></a>00055 <span class="comment"> *</span>
76 <a name="l00056"></a>00056 <span class="comment"> */</span>
77 <a name="l00057"></a>00057
78 <a name="l00058"></a>00058 <span class="preprocessor">#include "<a class="code" href="a00136.html">…
79 <a name="l00059"></a>00059 <span class="preprocessor">#include "uiplib.h"</span>
80 <a name="l00060"></a>00060 <span class="preprocessor">#include "<a class="code" href="a00111.html">…
81 <a name="l00061"></a>00061 <span class="preprocessor">#include "<a class="code" href="a00103.html">…
82 <a name="l00062"></a>00062
83 <a name="l00063"></a>00063 <span class="preprocessor">#include <string.h></span>
84 <a name="l00064"></a>00064
85 <a name="l00065"></a><a class="code" href="a00163.html#g31be289fd8ec3fe09b0088165d13976d">00065</a>…
86 <a name="l00066"></a>00066 <span class="preprocessor"></span>
87 <a name="l00067"></a><a class="code" href="a00163.html#g8714af98a550f10dc814db92b08d1b0d">00067</a>…
88 <a name="l00068"></a><a class="code" href="a00163.html#gc4357cec23abca29d2bb885803625a6a">00068</a>…
89 <a name="l00069"></a><a class="code" href="a00163.html#g4d457c50e6f2cef57167c3804ce8bf7c">00069</a>…
90 <a name="l00070"></a><a class="code" href="a00163.html#g863c94b0ed4a76997e53a3ccd5d0b6c3">00070</a>…
91 <a name="l00071"></a>00071 <span class="preprocessor"></span>
92 <a name="l00072"></a><a class="code" href="a00163.html#g40fb1fb2d990ce04ae9bbee275627c03">00072</a>…
93 <a name="l00073"></a><a class="code" href="a00163.html#gda99954e0f6905091885934e86c278cc">00073</a>…
94 <a name="l00074"></a><a class="code" href="a00163.html#gd895686859ae7d178d31be04eb0a1a97">00074</a>…
95 <a name="l00075"></a><a class="code" href="a00163.html#g38af81a4c9884ce89803fc3e52383112">00075</a>…
96 <a name="l00076"></a>00076 <span class="preprocessor"></span>
97 <a name="l00077"></a>00077
98 <a name="l00078"></a><a class="code" href="a00163.html#g3212e70c55244608ac16316888c354f0">00078</a>…
99 <a name="l00079"></a><a class="code" href="a00163.html#g6cda47c85ce1b58b501b44ac9cccc50e">00079</a>…
100 <a name="l00080"></a><a class="code" href="a00163.html#g71e1b022f7b7fa3a154f19372b239935">00080</a>…
101 <a name="l00081"></a>00081 <span class="preprocessor"></span>
102 <a name="l00082"></a>00082
103 <a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keyword">struct </span>…
104 <a name="l00084"></a>00084
105 <a name="l00085"></a>00085 <span class="comment">/*------------------------------------------------…
106 <a name="l00086"></a>00086 <span class="keywordtype">char</span> *
107 …a name="l00087"></a><a class="code" href="a00163.html#g4433d3af16ea083a81576d0f18ba57c9">00087</a>…
108 <a name="l00088"></a>00088 {
109 <a name="l00089"></a>00089 <span class="keywordflow">return</span> s.<a class="code" href="a00097…
110 <a name="l00090"></a>00090 }
111 <a name="l00091"></a>00091 <span class="comment">/*------------------------------------------------…
112 <a name="l00092"></a>00092 <span class="keywordtype">char</span> *
113 …a name="l00093"></a><a class="code" href="a00163.html#g41e616d3fcc17e0aabfe8ab45ef0d30f">00093</a>…
114 <a name="l00094"></a>00094 {
115 <a name="l00095"></a>00095 <span class="keywordflow">return</span> s.<a class="code" href="a00097…
116 <a name="l00096"></a>00096 }
117 <a name="l00097"></a>00097 <span class="comment">/*------------------------------------------------…
118 <a name="l00098"></a>00098 <span class="keywordtype">char</span> *
119 …a name="l00099"></a><a class="code" href="a00163.html#g0e0ea5f24b77f124ba33bcbc7ede5bfb">00099</a>…
120 <a name="l00100"></a>00100 {
121 <a name="l00101"></a>00101 <span class="keywordflow">return</span> s.<a class="code" href="a00097…
122 <a name="l00102"></a>00102 }
123 <a name="l00103"></a>00103 <span class="comment">/*------------------------------------------------…
124 <a name="l00104"></a>00104 <span class="keywordtype">unsigned</span> <span class="keywordtype">shor…
125 …a name="l00105"></a><a class="code" href="a00163.html#g2a939aa4fcffabbce1dc1f784a7e0ad3">00105</a>…
126 <a name="l00106"></a>00106 {
127 <a name="l00107"></a>00107 <span class="keywordflow">return</span> s.<a class="code" href="a00097…
128 <a name="l00108"></a>00108 }
129 <a name="l00109"></a>00109 <span class="comment">/*------------------------------------------------…
130 <a name="l00110"></a>00110 <span class="keywordtype">void</span>
131 …a name="l00111"></a><a class="code" href="a00163.html#g3caacabb2fe1c71921e1a471719ccbd2">00111</a>…
132 <a name="l00112"></a>00112 {
133 <a name="l00113"></a>00113
134 <a name="l00114"></a>00114 }
135 <a name="l00115"></a>00115 <span class="comment">/*------------------------------------------------…
136 <a name="l00116"></a>00116 <span class="keyword">static</span> <span class="keywordtype">void</span>
137 <a name="l00117"></a>00117 init_connection(<span class="keywordtype">void</span>)
138 <a name="l00118"></a>00118 {
139 …a name="l00119"></a>00119 s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">…
140 <a name="l00120"></a>00120
141 <a name="l00121"></a>00121 s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">…
142 <a name="l00122"></a>00122 <span class="keyword">sizeof</span>(http_10) - 1 +
143 <a name="l00123"></a>00123 <span class="keyword">sizeof</span>(http_crnl) - 1 +
144 <a name="l00124"></a>00124 <span class="keyword">sizeof</span>(http_host) - 1 +
145 <a name="l00125"></a>00125 <span class="keyword">sizeof</span>(http_crnl) - 1 +
146 <a name="l00126"></a>00126 strlen(http_user_agent_fields) +
147 …a name="l00127"></a>00127 strlen(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639…
148 <a name="l00128"></a>00128 s.<a class="code" href="a00097.html#134ec55c3d5abaebfed4ff8edfedf1ea">…
149 <a name="l00129"></a>00129
150 <a name="l00130"></a>00130 s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">…
151 <a name="l00131"></a>00131 }
152 <a name="l00132"></a>00132 <span class="comment">/*------------------------------------------------…
153 <a name="l00133"></a>00133 <span class="keywordtype">void</span>
154 …a name="l00134"></a><a class="code" href="a00163.html#g1d34be506a61db90dd7829117efdf8cf">00134</a>…
155 <a name="l00135"></a>00135 {
156 …a name="l00136"></a>00136 s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">…
157 <a name="l00137"></a>00137 }
158 <a name="l00138"></a>00138 <span class="comment">/*------------------------------------------------…
159 <a name="l00139"></a>00139 <span class="keywordtype">unsigned</span> <span class="keywordtype">char…
160 …a name="l00140"></a><a class="code" href="a00163.html#gf9385ef9ecc74c7d53ff2f15e62bfde3">00140</a>…
161 <a name="l00141"></a>00141 {
162 <a name="l00142"></a>00142 <span class="keyword">struct </span><a class="code" href="a00088.html"…
163 <a name="l00143"></a>00143 <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">u…
164 <a name="l00144"></a>00144 <span class="keyword">static</span> <a class="code" href="a00150.html#…
165 <a name="l00145"></a>00145
166 <a name="l00146"></a>00146 <span class="comment">/* First check if the host is an IP address. */<…
167 <a name="l00147"></a>00147 ipaddr = &addr;
168 <a name="l00148"></a>00148 <span class="keywordflow">if</span>(uiplib_ipaddrconv(host, (<span cla…
169 …a name="l00149"></a>00149 ipaddr = (<a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07…
170 <a name="l00150"></a>00150
171 …a name="l00151"></a>00151 <span class="keywordflow">if</span>(ipaddr == <a class="code" href="…
172 <a name="l00152"></a>00152 <span class="keywordflow">return</span> 0;
173 <a name="l00153"></a>00153 }
174 <a name="l00154"></a>00154 }
175 <a name="l00155"></a>00155
176 …a name="l00156"></a>00156 conn = <a class="code" href="a00147.html#g8096b0c4b543dc408f4dd031ddae…
177 <a name="l00157"></a>00157
178 <a name="l00158"></a>00158 <span class="keywordflow">if</span>(conn == <a class="code" href="a001…
179 <a name="l00159"></a>00159 <span class="keywordflow">return</span> 0;
180 <a name="l00160"></a>00160 }
181 <a name="l00161"></a>00161
182 <a name="l00162"></a>00162 s.<a class="code" href="a00097.html#7092781c50dcad50f473888585c85b83">…
183 …a name="l00163"></a>00163 strncpy(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b…
184 …a name="l00164"></a>00164 strncpy(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e1…
185 <a name="l00165"></a>00165
186 <a name="l00166"></a>00166 init_connection();
187 <a name="l00167"></a>00167 <span class="keywordflow">return</span> 1;
188 <a name="l00168"></a>00168 }
189 <a name="l00169"></a>00169 <span class="comment">/*------------------------------------------------…
190 <a name="l00170"></a>00170 <span class="keyword">static</span> <span class="keywordtype">unsigned</…
191 <a name="l00171"></a>00171 copy_string(<span class="keywordtype">unsigned</span> <span class="keywo…
192 …a name="l00172"></a>00172 <span class="keyword">const</span> <span class="keywordtype"…
193 <a name="l00173"></a>00173 {
194 <a name="l00174"></a>00174 strncpy(dest, src, len);
195 <a name="l00175"></a>00175 <span class="keywordflow">return</span> dest + len;
196 <a name="l00176"></a>00176 }
197 <a name="l00177"></a>00177 <span class="comment">/*------------------------------------------------…
198 <a name="l00178"></a>00178 <span class="keyword">static</span> <span class="keywordtype">void</span>
199 <a name="l00179"></a>00179 senddata(<span class="keywordtype">void</span>)
200 <a name="l00180"></a>00180 {
201 …a name="l00181"></a>00181 <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u…
202 <a name="l00182"></a>00182 <span class="keywordtype">char</span> *getrequest;
203 <a name="l00183"></a>00183 <span class="keywordtype">char</span> *cptr;
204 <a name="l00184"></a>00184
205 <a name="l00185"></a>00185 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.htm…
206 …a name="l00186"></a>00186 cptr = getrequest = (<span class="keywordtype">char</span> *)<a clas…
207 <a name="l00187"></a>00187
208 <a name="l00188"></a>00188 cptr = copy_string(cptr, http_get, <span class="keyword">sizeof</spa…
209 …a name="l00189"></a>00189 cptr = copy_string(cptr, s.<a class="code" href="a00097.html#e879138…
210 <a name="l00190"></a>00190 *cptr++ = <a class="code" href="a00163.html#g71e1b022f7b7fa3a154f193…
211 <a name="l00191"></a>00191 cptr = copy_string(cptr, http_10, <span class="keyword">sizeof</span…
212 <a name="l00192"></a>00192
213 <a name="l00193"></a>00193 cptr = copy_string(cptr, http_crnl, <span class="keyword">sizeof</sp…
214 <a name="l00194"></a>00194
215 <a name="l00195"></a>00195 cptr = copy_string(cptr, http_host, <span class="keyword">sizeof</sp…
216 …a name="l00196"></a>00196 cptr = copy_string(cptr, s.<a class="code" href="a00097.html#a6487b9…
217 <a name="l00197"></a>00197 cptr = copy_string(cptr, http_crnl, <span class="keyword">sizeof</sp…
218 <a name="l00198"></a>00198
219 <a name="l00199"></a>00199 cptr = copy_string(cptr, http_user_agent_fields,
220 <a name="l00200"></a>00200 strlen(http_user_agent_fields));
221 <a name="l00201"></a>00201
222 …a name="l00202"></a>00202 len = s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301…
223 <a name="l00203"></a>00203 <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9…
224 <a name="l00204"></a>00204 s.getrequestleft;
225 …a name="l00205"></a>00205 <a class="code" href="a00147.html#g04b053a623aac7cd4195157d470661b3"…
226 <a name="l00206"></a>00206 }
227 <a name="l00207"></a>00207 }
228 <a name="l00208"></a>00208 <span class="comment">/*------------------------------------------------…
229 <a name="l00209"></a>00209 <span class="keyword">static</span> <span class="keywordtype">void</span>
230 <a name="l00210"></a>00210 acked(<span class="keywordtype">void</span>)
231 <a name="l00211"></a>00211 {
232 <a name="l00212"></a>00212 <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u…
233 <a name="l00213"></a>00213
234 <a name="l00214"></a>00214 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.htm…
235 …a name="l00215"></a>00215 len = s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301…
236 <a name="l00216"></a>00216 <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9…
237 <a name="l00217"></a>00217 s.getrequestleft;
238 <a name="l00218"></a>00218 s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3…
239 <a name="l00219"></a>00219 s.<a class="code" href="a00097.html#134ec55c3d5abaebfed4ff8edfedf1ea…
240 <a name="l00220"></a>00220 }
241 <a name="l00221"></a>00221 }
242 <a name="l00222"></a>00222 <span class="comment">/*------------------------------------------------…
243 <a name="l00223"></a>00223 <span class="keyword">static</span> <a class="code" href="a00153.html#g7…
244 <a name="l00224"></a>00224 parse_statusline(<a class="code" href="a00153.html#g77570ac4fcab86864fa1…
245 <a name="l00225"></a>00225 {
246 <a name="l00226"></a>00226 <span class="keywordtype">char</span> *cptr;
247 <a name="l00227"></a>00227
248 …a name="l00228"></a>00228 <span class="keywordflow">while</span>(len > 0 && s.<a clas…
249 …a name="l00229"></a>00229 s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af…
250 …a name="l00230"></a>00230 ++((<span class="keywordtype">char</span> *)<a class="code" href="a0…
251 <a name="l00231"></a>00231 --len;
252 …a name="l00232"></a>00232 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.h…
253 <a name="l00233"></a>00233
254 …a name="l00234"></a>00234 <span class="keywordflow">if</span>((strncmp(s.<a class="code" hre…
255 <a name="l00235"></a>00235 <span class="keyword">sizeof</span>(http_10) - 1) == 0…
256 <a name="l00236"></a>00236 (strncmp(s.<a class="code" href="a00097.html#606d2729bf411ade69…
257 <a name="l00237"></a>00237 <span class="keyword">sizeof</span>(http_11) - 1) == 0…
258 <a name="l00238"></a>00238 cptr = &(s.<a class="code" href="a00097.html#606d2729bf411ad…
259 …a name="l00239"></a>00239 s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02…
260 <a name="l00240"></a>00240 <span class="keywordflow">if</span>(strncmp(cptr, http_200, <spa…
261 <a name="l00241"></a>00241 <span class="comment">/* 200 OK */</span>
262 …a name="l00242"></a>00242 s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f…
263 <a name="l00243"></a>00243 } <span class="keywordflow">else</span> <span class="keywordflow…
264 <a name="l00244"></a>00244 strncmp(cptr, http_302, <span class="keyword">sizeof</…
265 <a name="l00245"></a>00245 <span class="comment">/* 301 Moved permanently or 302 Found. L…
266 <a name="l00246"></a>00246 <span class="comment"> will contain thw new location. */</sp…
267 …a name="l00247"></a>00247 s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f…
268 <a name="l00248"></a>00248 } <span class="keywordflow">else</span> {
269 …a name="l00249"></a>00249 s.<a class="code" href="a00097.html#606d2729bf411ade6904482840…
270 <a name="l00250"></a>00250 }
271 <a name="l00251"></a>00251 } <span class="keywordflow">else</span> {
272 <a name="l00252"></a>00252 <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b…
273 <a name="l00253"></a>00253 <a class="code" href="a00163.html#gf11d9915ec12a8cdd9fdcbb5e8fcd…
274 <a name="l00254"></a>00254 <span class="keywordflow">return</span> 0;
275 <a name="l00255"></a>00255 }
276 <a name="l00256"></a>00256
277 <a name="l00257"></a>00257 <span class="comment">/* We're done parsing the status line, so we…
278 <a name="l00258"></a>00258 <span class="comment"> and start parsing the HTTP headers.*/</sp…
279 <a name="l00259"></a>00259 s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd…
280 …a name="l00260"></a>00260 s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee9…
281 <a name="l00261"></a>00261 <span class="keywordflow">break</span>;
282 <a name="l00262"></a>00262 } <span class="keywordflow">else</span> {
283 <a name="l00263"></a>00263 ++s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7…
284 <a name="l00264"></a>00264 }
285 <a name="l00265"></a>00265 }
286 <a name="l00266"></a>00266 <span class="keywordflow">return</span> len;
287 <a name="l00267"></a>00267 }
288 <a name="l00268"></a>00268 <span class="comment">/*------------------------------------------------…
289 <a name="l00269"></a>00269 <span class="keyword">static</span> <span class="keywordtype">char</span>
290 <a name="l00270"></a>00270 casecmp(<span class="keywordtype">char</span> *str1, <span class="keywor…
291 <a name="l00271"></a>00271 {
292 <a name="l00272"></a>00272 <span class="keyword">static</span> <span class="keywordtype">char</sp…
293 <a name="l00273"></a>00273
294 <a name="l00274"></a>00274 <span class="keywordflow">while</span>(len > 0) {
295 <a name="l00275"></a>00275 c = *str1;
296 <a name="l00276"></a>00276 <span class="comment">/* Force lower-case characters. */</span>
297 <a name="l00277"></a>00277 <span class="keywordflow">if</span>(c & 0x40) {
298 <a name="l00278"></a>00278 c |= 0x20;
299 <a name="l00279"></a>00279 }
300 <a name="l00280"></a>00280 <span class="keywordflow">if</span>(*str2 != c) {
301 <a name="l00281"></a>00281 <span class="keywordflow">return</span> 1;
302 <a name="l00282"></a>00282 }
303 <a name="l00283"></a>00283 ++str1;
304 <a name="l00284"></a>00284 ++str2;
305 <a name="l00285"></a>00285 --len;
306 <a name="l00286"></a>00286 }
307 <a name="l00287"></a>00287 <span class="keywordflow">return</span> 0;
308 <a name="l00288"></a>00288 }
309 <a name="l00289"></a>00289 <span class="comment">/*------------------------------------------------…
310 <a name="l00290"></a>00290 <span class="keyword">static</span> <a class="code" href="a00153.html#g7…
311 <a name="l00291"></a>00291 parse_headers(<a class="code" href="a00153.html#g77570ac4fcab86864fa1916…
312 <a name="l00292"></a>00292 {
313 <a name="l00293"></a>00293 <span class="keywordtype">char</span> *cptr;
314 <a name="l00294"></a>00294 <span class="keyword">static</span> <span class="keywordtype">unsigned…
315 <a name="l00295"></a>00295
316 …a name="l00296"></a>00296 <span class="keywordflow">while</span>(len > 0 && s.<a clas…
317 …a name="l00297"></a>00297 s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af…
318 <a name="l00298"></a>00298 ++((<span class="keywordtype">char</span> *)uip_appdata);
319 <a name="l00299"></a>00299 --len;
320 …a name="l00300"></a>00300 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.h…
321 <a name="l00301"></a>00301 <span class="comment">/* We have an entire HTTP header line in s.h…
322 <a name="l00302"></a>00302 <span class="comment"> we parse it. */</span>
323 …a name="l00303"></a>00303 <span class="keywordflow">if</span>(s.<a class="code" href="a00097…
324 <a name="l00304"></a>00304 <span class="comment">/* This was the last header line (i.e., an…
325 <a name="l00305"></a>00305 <span class="comment"> we are done with the headers and procee…
326 <a name="l00306"></a>00306 <span class="comment"> data. */</span>
327 …a name="l00307"></a>00307 s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20ce…
328 <a name="l00308"></a>00308 <span class="keywordflow">return</span> len;
329 <a name="l00309"></a>00309 }
330 <a name="l00310"></a>00310
331 …a name="l00311"></a>00311 s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72…
332 <a name="l00312"></a>00312 <span class="comment">/* Check for specific HTTP header fields. */…
333 …a name="l00313"></a>00313 <span class="keywordflow">if</span>(casecmp(s.<a class="code" href…
334 <a name="l00314"></a>00314 <span class="keyword">sizeof</span>(http_content_ty…
335 <a name="l00315"></a>00315 <span class="comment">/* Found Content-type field. */</span>
336 <a name="l00316"></a>00316 cptr = strchr(s.<a class="code" href="a00097.html#606d2729bf411a…
337 …a name="l00317"></a>00317 <span class="keywordflow">if</span>(cptr != <a class="code" href…
338 <a name="l00318"></a>00318 *cptr = 0;
339 <a name="l00319"></a>00319 }
340 …a name="l00320"></a>00320 strncpy(s.<a class="code" href="a00097.html#fb60f42593d305ea36d9…
341 …a name="l00321"></a>00321 <span class="keyword">sizeof</span>(http_content_type) -…
342 …a name="l00322"></a>00322 } <span class="keywordflow">else</span> <span class="keywordflow">…
343 <a name="l00323"></a>00323 <span class="keyword">sizeof</span>(http_loc…
344 <a name="l00324"></a>00324 cptr = s.<a class="code" href="a00097.html#606d2729bf411ade69044…
345 <a name="l00325"></a>00325 <span class="keyword">sizeof</span>(http_location) - 1;
346 <a name="l00326"></a>00326
347 <a name="l00327"></a>00327 <span class="keywordflow">if</span>(strncmp(cptr, http_http, 7) …
348 <a name="l00328"></a>00328 cptr += 7;
349 …a name="l00329"></a>00329 <span class="keywordflow">for</span>(i = 0; i < s.<a class=…
350 <a name="l00330"></a>00330 <span class="keywordflow">if</span>(*cptr == 0 ||
351 <a name="l00331"></a>00331 *cptr == <span class="charliteral">'/'</span> ||
352 <a name="l00332"></a>00332 *cptr == <span class="charliteral">' '</span> ||
353 <a name="l00333"></a>00333 *cptr == <span class="charliteral">':'</span>) {
354 <a name="l00334"></a>00334 s.<a class="code" href="a00097.html#a6487b9c1c773b32656065…
355 <a name="l00335"></a>00335 <span class="keywordflow">break</span>;
356 <a name="l00336"></a>00336 }
357 <a name="l00337"></a>00337 s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0…
358 <a name="l00338"></a>00338 ++cptr;
359 <a name="l00339"></a>00339 }
360 <a name="l00340"></a>00340 }
361 …a name="l00341"></a>00341 strncpy(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b0…
362 <a name="l00342"></a>00342 <span class="comment">/* s.file[s.httpheaderlineptr - i] = …
363 <a name="l00343"></a>00343 }
364 <a name="l00344"></a>00344
365 <a name="l00345"></a>00345
366 <a name="l00346"></a>00346 <span class="comment">/* We're done parsing, so we reset the point…
367 <a name="l00347"></a>00347 <span class="comment"> next line. */</span>
368 <a name="l00348"></a>00348 s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd…
369 <a name="l00349"></a>00349 } <span class="keywordflow">else</span> {
370 <a name="l00350"></a>00350 ++s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7…
371 <a name="l00351"></a>00351 }
372 <a name="l00352"></a>00352 }
373 <a name="l00353"></a>00353 <span class="keywordflow">return</span> len;
374 <a name="l00354"></a>00354 }
375 <a name="l00355"></a>00355 <span class="comment">/*------------------------------------------------…
376 <a name="l00356"></a>00356 <span class="keyword">static</span> <span class="keywordtype">void</span>
377 <a name="l00357"></a>00357 newdata(<span class="keywordtype">void</span>)
378 <a name="l00358"></a>00358 {
379 <a name="l00359"></a>00359 <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u…
380 <a name="l00360"></a>00360
381 <a name="l00361"></a>00361 len = <a class="code" href="a00147.html#g1a1bc437c09ddef238abab41d77c3…
382 <a name="l00362"></a>00362
383 …a name="l00363"></a>00363 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.htm…
384 <a name="l00364"></a>00364 len = parse_statusline(len);
385 <a name="l00365"></a>00365 }
386 <a name="l00366"></a>00366
387 …a name="l00367"></a>00367 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.htm…
388 <a name="l00368"></a>00368 len = parse_headers(len);
389 <a name="l00369"></a>00369 }
390 <a name="l00370"></a>00370
391 …a name="l00371"></a>00371 <span class="keywordflow">if</span>(len > 0 && s.<a class="…
392 …a name="l00372"></a>00372 s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7…
393 <a name="l00373"></a>00373 <a class="code" href="a00163.html#gc4b119801e50cc1824498a1cdf9adc37"…
394 <a name="l00374"></a>00374 }
395 <a name="l00375"></a>00375 }
396 <a name="l00376"></a>00376 <span class="comment">/*------------------------------------------------…
397 <a name="l00377"></a>00377 <span class="keywordtype">void</span>
398 …a name="l00378"></a><a class="code" href="a00163.html#g9e6d2864f390a4ba1ac60dc65e2b9815">00378</a>…
399 <a name="l00379"></a>00379 {
400 <a name="l00380"></a>00380 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#…
401 <a name="l00381"></a>00381 s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8…
402 …a name="l00382"></a>00382 s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970…
403 <a name="l00383"></a>00383 senddata();
404 <a name="l00384"></a>00384 <a class="code" href="a00163.html#g6b942c1ef22f8cd1a726ef3364c9fbea"…
405 <a name="l00385"></a>00385 <span class="keywordflow">return</span>;
406 <a name="l00386"></a>00386 }
407 <a name="l00387"></a>00387
408 …a name="l00388"></a>00388 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.htm…
409 <a name="l00389"></a>00389 <a class="code" href="a00163.html#gf8f12c820cc08da32aa62898bfc02db3"…
410 <a name="l00390"></a>00390 <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b56c"…
411 <a name="l00391"></a>00391 <span class="keywordflow">return</span>;
412 <a name="l00392"></a>00392 }
413 <a name="l00393"></a>00393
414 <a name="l00394"></a>00394 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#…
415 <a name="l00395"></a>00395 <a class="code" href="a00163.html#gf11d9915ec12a8cdd9fdcbb5e8fcd5c7"…
416 <a name="l00396"></a>00396 }
417 <a name="l00397"></a>00397 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#…
418 <a name="l00398"></a>00398 <a class="code" href="a00163.html#g23705efb9077187881f094fc9be13bde"…
419 <a name="l00399"></a>00399 }
420 <a name="l00400"></a>00400
421 <a name="l00401"></a>00401
422 <a name="l00402"></a>00402 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#…
423 <a name="l00403"></a>00403 s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8…
424 <a name="l00404"></a>00404 acked();
425 <a name="l00405"></a>00405 }
426 <a name="l00406"></a>00406 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#…
427 <a name="l00407"></a>00407 s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8…
428 <a name="l00408"></a>00408 newdata();
429 <a name="l00409"></a>00409 }
430 <a name="l00410"></a>00410 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#…
431 <a name="l00411"></a>00411 <a class="code" href="a00147.html#g26a14b8dae3f861830af9e7cf1e03725…
432 <a name="l00412"></a>00412 <a class="code" href="a00147.html#gde6634974418e3240c212b9b16864368…
433 <a name="l00413"></a>00413 senddata();
434 …a name="l00414"></a>00414 } <span class="keywordflow">else</span> <span class="keywordflow">if</…
435 <a name="l00415"></a>00415 ++s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cb…
436 …a name="l00416"></a>00416 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.h…
437 <a name="l00417"></a>00417 <a class="code" href="a00163.html#g23705efb9077187881f094fc9be13bd…
438 <a name="l00418"></a>00418 <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b56…
439 <a name="l00419"></a>00419 <span class="keywordflow">return</span>;
440 <a name="l00420"></a>00420 }
441 <a name="l00421"></a>00421 <span class="comment">/* senddata();*/</span>
442 <a name="l00422"></a>00422 }
443 <a name="l00423"></a>00423
444 <a name="l00424"></a>00424 <span class="keywordflow">if</span>(<a class="code" href="a00147.html#…
445 …a name="l00425"></a>00425 <span class="keywordflow">if</span>(s.<a class="code" href="a00097.h…
446 <a name="l00426"></a>00426 <span class="comment">/* Send NULL data to signal EOF. */</span>
447 …a name="l00427"></a>00427 <a class="code" href="a00163.html#gc4b119801e50cc1824498a1cdf9adc3…
448 <a name="l00428"></a>00428 } <span class="keywordflow">else</span> {
449 …a name="l00429"></a>00429 <span class="keywordflow">if</span>(<a class="code" href="a00160.h…
450 …a name="l00430"></a>00430 <a class="code" href="a00160.html#ge4dcbbe6c641d2e3b8537b479df5f…
451 <a name="l00431"></a>00431 }
452 …a name="l00432"></a>00432 <a class="code" href="a00163.html#gf9385ef9ecc74c7d53ff2f15e62bfde…
453 <a name="l00433"></a>00433 }
454 <a name="l00434"></a>00434 }
455 <a name="l00435"></a>00435 }
456 <a name="l00436"></a>00436 <span class="comment">/*------------------------------------------------…
457 <a name="l00437"></a>00437 <span class="comment"></span>
458 <a name="l00438"></a>00438 <span class="comment">/** @} */</span><span class="comment"></span>
459 <a name="l00439"></a>00439 <span class="comment">/** @} */</span>
461 <a href="http://www.doxygen.org/index.html">
462 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>