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a00180.html

a00180.html 47 KB
永久链接 文件历史 原始文件

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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    2. 

  2. <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
    3. 

  3. <title>uIP 1.0: apps/webclient/webclient.c Source File</title>
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  10.     <li><a href="main.html"><span>Main&nbsp;Page</span></a></li>
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  11.     <li><a href="modules.html"><span>Modules</span></a></li>
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  12.     <li><a href="classes.html"><span>Data&nbsp;Structures</span></a></li>
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  18.     <li><a href="files.html"><span>File&nbsp;List</span></a></li>
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  19.     <li><a href="globals.html"><span>Globals</span></a></li>
    20. 

  20.   </ul></div>
    21. 

  21. <h1>apps/webclient/webclient.c</h1><a href="a00110.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**</span>
    22. 

  22. <a name="l00002"></a>00002 <span class="comment"> * \addtogroup apps</span>
    23. 

  23. <a name="l00003"></a>00003 <span class="comment"> * @{</span>
    24. 

  24. <a name="l00004"></a>00004 <span class="comment"> */</span>
    25. 

  25. <a name="l00005"></a>00005 <span class="comment"></span>
    26. 

  26. <a name="l00006"></a>00006 <span class="comment">/**</span>
    27. 

  27. <a name="l00007"></a>00007 <span class="comment"> * \defgroup webclient Web client</span>
    28. 

  28. <a name="l00008"></a>00008 <span class="comment"> * @{</span>
    29. 

  29. <a name="l00009"></a>00009 <span class="comment"> *</span>
    30. 

  30. <a name="l00010"></a>00010 <span class="comment"> * This example shows a HTTP client that is able to download web pages</span>
    31. 

  31. <a name="l00011"></a>00011 <span class="comment"> * and files from web servers. It requires a number of callback</span>
    32. 

  32. <a name="l00012"></a>00012 <span class="comment"> * functions to be implemented by the module that utilizes the code:</span>
    33. 

  33. <a name="l00013"></a>00013 <span class="comment"> * webclient_datahandler(), webclient_connected(),</span>
    34. 

  34. <a name="l00014"></a>00014 <span class="comment"> * webclient_timedout(), webclient_aborted(), webclient_closed().</span>
    35. 

  35. <a name="l00015"></a>00015 <span class="comment"> */</span>
    36. 

  36. <a name="l00016"></a>00016 <span class="comment"></span>
    37. 

  37. <a name="l00017"></a>00017 <span class="comment">/**</span>
    38. 

  38. <a name="l00018"></a>00018 <span class="comment"> * \file</span>
    39. 

  39. <a name="l00019"></a>00019 <span class="comment"> * Implementation of the HTTP client.</span>
    40. 

  40. <a name="l00020"></a>00020 <span class="comment"> * \author Adam Dunkels &lt;adam@dunkels.com&gt;</span>
    41. 

  41. <a name="l00021"></a>00021 <span class="comment"> */</span>
    42. 

  42. <a name="l00022"></a>00022 
    43. 

  43. <a name="l00023"></a>00023 <span class="comment">/*</span>
    44. 

  44. <a name="l00024"></a>00024 <span class="comment"> * Copyright (c) 2002, Adam Dunkels.</span>
    45. 

  45. <a name="l00025"></a>00025 <span class="comment"> * All rights reserved.</span>
    46. 

  46. <a name="l00026"></a>00026 <span class="comment"> *</span>
    47. 

  47. <a name="l00027"></a>00027 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
    48. 

  48. <a name="l00028"></a>00028 <span class="comment"> * modification, are permitted provided that the following conditions</span>
    49. 

  49. <a name="l00029"></a>00029 <span class="comment"> * are met:</span>
    50. 

  50. <a name="l00030"></a>00030 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
    51. 

  51. <a name="l00031"></a>00031 <span class="comment"> *    notice, this list of conditions and the following disclaimer.</span>
    52. 

  52. <a name="l00032"></a>00032 <span class="comment"> * 2. Redistributions in binary form must reproduce the above</span>
    53. 

  53. <a name="l00033"></a>00033 <span class="comment"> *    copyright notice, this list of conditions and the following</span>
    54. 

  54. <a name="l00034"></a>00034 <span class="comment"> *    disclaimer in the documentation and/or other materials provided</span>
    55. 

  55. <a name="l00035"></a>00035 <span class="comment"> *    with the distribution.</span>
    56. 

  56. <a name="l00036"></a>00036 <span class="comment"> * 3. The name of the author may not be used to endorse or promote</span>
    57. 

  57. <a name="l00037"></a>00037 <span class="comment"> *    products derived from this software without specific prior</span>
    58. 

  58. <a name="l00038"></a>00038 <span class="comment"> *    written permission.</span>
    59. 

  59. <a name="l00039"></a>00039 <span class="comment"> *</span>
    60. 

  60. <a name="l00040"></a>00040 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS</span>
    61. 

  61. <a name="l00041"></a>00041 <span class="comment"> * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
    62. 

  62. <a name="l00042"></a>00042 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
    63. 

  63. <a name="l00043"></a>00043 <span class="comment"> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY</span>
    64. 

  64. <a name="l00044"></a>00044 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span>
    65. 

  65. <a name="l00045"></a>00045 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE</span>
    66. 

  66. <a name="l00046"></a>00046 <span class="comment"> * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
    67. 

  67. <a name="l00047"></a>00047 <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,</span>
    68. 

  68. <a name="l00048"></a>00048 <span class="comment"> * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span>
    69. 

  69. <a name="l00049"></a>00049 <span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
    70. 

  70. <a name="l00050"></a>00050 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
    71. 

  71. <a name="l00051"></a>00051 <span class="comment"> *</span>
    72. 

  72. <a name="l00052"></a>00052 <span class="comment"> * This file is part of the uIP TCP/IP stack.</span>
    73. 

  73. <a name="l00053"></a>00053 <span class="comment"> *</span>
    74. 

  74. <a name="l00054"></a>00054 <span class="comment"> * $Id: webclient.c,v 1.2 2006/06/11 21:46:37 adam Exp $</span>
    75. 

  75. <a name="l00055"></a>00055 <span class="comment"> *</span>
    76. 

  76. <a name="l00056"></a>00056 <span class="comment"> */</span>
    77. 

  77. <a name="l00057"></a>00057 
    78. 

  78. <a name="l00058"></a>00058 <span class="preprocessor">#include "<a class="code" href="a00136.html">uip.h</a>"</span>
    79. 

  79. <a name="l00059"></a>00059 <span class="preprocessor">#include "uiplib.h"</span>
    80. 

  80. <a name="l00060"></a>00060 <span class="preprocessor">#include "<a class="code" href="a00111.html">webclient.h</a>"</span>
    81. 

  81. <a name="l00061"></a>00061 <span class="preprocessor">#include "<a class="code" href="a00103.html">resolv.h</a>"</span>
    82. 

  82. <a name="l00062"></a>00062 
    83. 

  83. <a name="l00063"></a>00063 <span class="preprocessor">#include &lt;string.h&gt;</span>
    84. 

  84. <a name="l00064"></a>00064 
    85. 

  85. <a name="l00065"></a><a class="code" href="a00163.html#g31be289fd8ec3fe09b0088165d13976d">00065</a> <span class="preprocessor">#define WEBCLIENT_TIMEOUT 100</span>
    86. 

  86. <a name="l00066"></a>00066 <span class="preprocessor"></span>
    87. 

  87. <a name="l00067"></a><a class="code" href="a00163.html#g8714af98a550f10dc814db92b08d1b0d">00067</a> <span class="preprocessor">#define WEBCLIENT_STATE_STATUSLINE 0</span>
    88. 

  88. <a name="l00068"></a><a class="code" href="a00163.html#gc4357cec23abca29d2bb885803625a6a">00068</a> <span class="preprocessor"></span><span class="preprocessor">#define WEBCLIENT_STATE_HEADERS    1</span>
    89. 

  89. <a name="l00069"></a><a class="code" href="a00163.html#g4d457c50e6f2cef57167c3804ce8bf7c">00069</a> <span class="preprocessor"></span><span class="preprocessor">#define WEBCLIENT_STATE_DATA       2</span>
    90. 

  90. <a name="l00070"></a><a class="code" href="a00163.html#g863c94b0ed4a76997e53a3ccd5d0b6c3">00070</a> <span class="preprocessor"></span><span class="preprocessor">#define WEBCLIENT_STATE_CLOSE      3</span>
    91. 

  91. <a name="l00071"></a>00071 <span class="preprocessor"></span>
    92. 

  92. <a name="l00072"></a><a class="code" href="a00163.html#g40fb1fb2d990ce04ae9bbee275627c03">00072</a> <span class="preprocessor">#define HTTPFLAG_NONE   0</span>
    93. 

  93. <a name="l00073"></a><a class="code" href="a00163.html#gda99954e0f6905091885934e86c278cc">00073</a> <span class="preprocessor"></span><span class="preprocessor">#define HTTPFLAG_OK     1</span>
    94. 

  94. <a name="l00074"></a><a class="code" href="a00163.html#gd895686859ae7d178d31be04eb0a1a97">00074</a> <span class="preprocessor"></span><span class="preprocessor">#define HTTPFLAG_MOVED  2</span>
    95. 

  95. <a name="l00075"></a><a class="code" href="a00163.html#g38af81a4c9884ce89803fc3e52383112">00075</a> <span class="preprocessor"></span><span class="preprocessor">#define HTTPFLAG_ERROR  3</span>
    96. 

  96. <a name="l00076"></a>00076 <span class="preprocessor"></span>
    97. 

  97. <a name="l00077"></a>00077 
    98. 

  98. <a name="l00078"></a><a class="code" href="a00163.html#g3212e70c55244608ac16316888c354f0">00078</a> <span class="preprocessor">#define ISO_nl       0x0a</span>
    99. 

  99. <a name="l00079"></a><a class="code" href="a00163.html#g6cda47c85ce1b58b501b44ac9cccc50e">00079</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_cr       0x0d</span>
    100. 

  100. <a name="l00080"></a><a class="code" href="a00163.html#g71e1b022f7b7fa3a154f19372b239935">00080</a> <span class="preprocessor"></span><span class="preprocessor">#define ISO_space    0x20</span>
    101. 

  101. <a name="l00081"></a>00081 <span class="preprocessor"></span>
    102. 

  102. <a name="l00082"></a>00082 
    103. 

  103. <a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="a00097.html">webclient_state</a> s;
    104. 

  104. <a name="l00084"></a>00084 
    105. 

  105. <a name="l00085"></a>00085 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    106. 

  106. <a name="l00086"></a>00086 <span class="keywordtype">char</span> *
    107. 

  107. <a name="l00087"></a><a class="code" href="a00163.html#g4433d3af16ea083a81576d0f18ba57c9">00087</a> <a class="code" href="a00163.html#g4433d3af16ea083a81576d0f18ba57c9">webclient_mimetype</a>(<span class="keywordtype">void</span>)
    108. 

  108. <a name="l00088"></a>00088 {
    109. 

  109. <a name="l00089"></a>00089   <span class="keywordflow">return</span> s.<a class="code" href="a00097.html#fb60f42593d305ea36d9b4303722696e">mimetype</a>;
    110. 

  110. <a name="l00090"></a>00090 }
    111. 

  111. <a name="l00091"></a>00091 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    112. 

  112. <a name="l00092"></a>00092 <span class="keywordtype">char</span> *
    113. 

  113. <a name="l00093"></a><a class="code" href="a00163.html#g41e616d3fcc17e0aabfe8ab45ef0d30f">00093</a> <a class="code" href="a00163.html#g41e616d3fcc17e0aabfe8ab45ef0d30f">webclient_filename</a>(<span class="keywordtype">void</span>)
    114. 

  114. <a name="l00094"></a>00094 {
    115. 

  115. <a name="l00095"></a>00095   <span class="keywordflow">return</span> s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>;
    116. 

  116. <a name="l00096"></a>00096 }
    117. 

  117. <a name="l00097"></a>00097 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    118. 

  118. <a name="l00098"></a>00098 <span class="keywordtype">char</span> *
    119. 

  119. <a name="l00099"></a><a class="code" href="a00163.html#g0e0ea5f24b77f124ba33bcbc7ede5bfb">00099</a> <a class="code" href="a00163.html#g0e0ea5f24b77f124ba33bcbc7ede5bfb">webclient_hostname</a>(<span class="keywordtype">void</span>)
    120. 

  120. <a name="l00100"></a>00100 {
    121. 

  121. <a name="l00101"></a>00101   <span class="keywordflow">return</span> s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>;
    122. 

  122. <a name="l00102"></a>00102 }
    123. 

  123. <a name="l00103"></a>00103 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    124. 

  124. <a name="l00104"></a>00104 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>
    125. 

  125. <a name="l00105"></a><a class="code" href="a00163.html#g2a939aa4fcffabbce1dc1f784a7e0ad3">00105</a> <a class="code" href="a00163.html#g2a939aa4fcffabbce1dc1f784a7e0ad3">webclient_port</a>(<span class="keywordtype">void</span>)
    126. 

  126. <a name="l00106"></a>00106 {
    127. 

  127. <a name="l00107"></a>00107   <span class="keywordflow">return</span> s.<a class="code" href="a00097.html#7092781c50dcad50f473888585c85b83">port</a>;
    128. 

  128. <a name="l00108"></a>00108 }
    129. 

  129. <a name="l00109"></a>00109 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    130. 

  130. <a name="l00110"></a>00110 <span class="keywordtype">void</span>
    131. 

  131. <a name="l00111"></a><a class="code" href="a00163.html#g3caacabb2fe1c71921e1a471719ccbd2">00111</a> <a class="code" href="a00163.html#g3caacabb2fe1c71921e1a471719ccbd2">webclient_init</a>(<span class="keywordtype">void</span>)
    132. 

  132. <a name="l00112"></a>00112 {
    133. 

  133. <a name="l00113"></a>00113 
    134. 

  134. <a name="l00114"></a>00114 }
    135. 

  135. <a name="l00115"></a>00115 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    136. 

  136. <a name="l00116"></a>00116 <span class="keyword">static</span> <span class="keywordtype">void</span>
    137. 

  137. <a name="l00117"></a>00117 init_connection(<span class="keywordtype">void</span>)
    138. 

  138. <a name="l00118"></a>00118 {
    139. 

  139. <a name="l00119"></a>00119   s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> = <a class="code" href="a00163.html#g8714af98a550f10dc814db92b08d1b0d">WEBCLIENT_STATE_STATUSLINE</a>;
    140. 

  140. <a name="l00120"></a>00120 
    141. 

  141. <a name="l00121"></a>00121   s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">getrequestleft</a> = <span class="keyword">sizeof</span>(http_get) - 1 + 1 +
    142. 

  142. <a name="l00122"></a>00122     <span class="keyword">sizeof</span>(http_10) - 1 +
    143. 

  143. <a name="l00123"></a>00123     <span class="keyword">sizeof</span>(http_crnl) - 1 +
    144. 

  144. <a name="l00124"></a>00124     <span class="keyword">sizeof</span>(http_host) - 1 +
    145. 

  145. <a name="l00125"></a>00125     <span class="keyword">sizeof</span>(http_crnl) - 1 +
    146. 

  146. <a name="l00126"></a>00126     strlen(http_user_agent_fields) +
    147. 

  147. <a name="l00127"></a>00127     strlen(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>) + strlen(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>);
    148. 

  148. <a name="l00128"></a>00128   s.<a class="code" href="a00097.html#134ec55c3d5abaebfed4ff8edfedf1ea">getrequestptr</a> = 0;
    149. 

  149. <a name="l00129"></a>00129 
    150. 

  150. <a name="l00130"></a>00130   s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> = 0;
    151. 

  151. <a name="l00131"></a>00131 }
    152. 

  152. <a name="l00132"></a>00132 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    153. 

  153. <a name="l00133"></a>00133 <span class="keywordtype">void</span>
    154. 

  154. <a name="l00134"></a><a class="code" href="a00163.html#g1d34be506a61db90dd7829117efdf8cf">00134</a> <a class="code" href="a00163.html#g1d34be506a61db90dd7829117efdf8cf">webclient_close</a>(<span class="keywordtype">void</span>)
    155. 

  155. <a name="l00135"></a>00135 {
    156. 

  156. <a name="l00136"></a>00136   s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> = <a class="code" href="a00163.html#g863c94b0ed4a76997e53a3ccd5d0b6c3">WEBCLIENT_STATE_CLOSE</a>;
    157. 

  157. <a name="l00137"></a>00137 }
    158. 

  158. <a name="l00138"></a>00138 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    159. 

  159. <a name="l00139"></a>00139 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>
    160. 

  160. <a name="l00140"></a><a class="code" href="a00163.html#gf9385ef9ecc74c7d53ff2f15e62bfde3">00140</a> <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>)
    161. 

  161. <a name="l00141"></a>00141 {
    162. 

  162. <a name="l00142"></a>00142   <span class="keyword">struct </span><a class="code" href="a00088.html">uip_conn</a> *conn;
    163. 

  163. <a name="l00143"></a>00143   <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> *ipaddr;
    164. 

  164. <a name="l00144"></a>00144   <span class="keyword">static</span> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> addr;
    165. 

  165. <a name="l00145"></a>00145   
    166. 

  166. <a name="l00146"></a>00146   <span class="comment">/* First check if the host is an IP address. */</span>
    167. 

  167. <a name="l00147"></a>00147   ipaddr = &amp;addr;
    168. 

  168. <a name="l00148"></a>00148   <span class="keywordflow">if</span>(uiplib_ipaddrconv(host, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)addr) == 0) {
    169. 

  169. <a name="l00149"></a>00149     ipaddr = (<a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> *)<a class="code" href="a00160.html#g66d19181ad5fe8b8f7c84d1f1d46a2ec">resolv_lookup</a>(host);
    170. 

  170. <a name="l00150"></a>00150     
    171. 

  171. <a name="l00151"></a>00151     <span class="keywordflow">if</span>(ipaddr == <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
    172. 

  172. <a name="l00152"></a>00152       <span class="keywordflow">return</span> 0;
    173. 

  173. <a name="l00153"></a>00153     }
    174. 

  174. <a name="l00154"></a>00154   }
    175. 

  175. <a name="l00155"></a>00155   
    176. 

  176. <a name="l00156"></a>00156   conn = <a class="code" href="a00147.html#g8096b0c4b543dc408f4dd031ddae7240">uip_connect</a>(ipaddr, <a class="code" href="a00148.html#ga22b04cac8cf283ca12f028578bebc06">htons</a>(port));
    177. 

  177. <a name="l00157"></a>00157   
    178. 

  178. <a name="l00158"></a>00158   <span class="keywordflow">if</span>(conn == <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
    179. 

  179. <a name="l00159"></a>00159     <span class="keywordflow">return</span> 0;
    180. 

  180. <a name="l00160"></a>00160   }
    181. 

  181. <a name="l00161"></a>00161   
    182. 

  182. <a name="l00162"></a>00162   s.<a class="code" href="a00097.html#7092781c50dcad50f473888585c85b83">port</a> = port;
    183. 

  183. <a name="l00163"></a>00163   strncpy(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>, file, <span class="keyword">sizeof</span>(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>));
    184. 

  184. <a name="l00164"></a>00164   strncpy(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>, host, <span class="keyword">sizeof</span>(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>));
    185. 

  185. <a name="l00165"></a>00165   
    186. 

  186. <a name="l00166"></a>00166   init_connection();
    187. 

  187. <a name="l00167"></a>00167   <span class="keywordflow">return</span> 1;
    188. 

  188. <a name="l00168"></a>00168 }
    189. 

  189. <a name="l00169"></a>00169 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    190. 

  190. <a name="l00170"></a>00170 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *
    191. 

  191. <a name="l00171"></a>00171 copy_string(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dest,
    192. 

  192. <a name="l00172"></a>00172             <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a00088.html#0ef3ae2764714bf90620075c374c262e">len</a>)
    193. 

  193. <a name="l00173"></a>00173 {
    194. 

  194. <a name="l00174"></a>00174   strncpy(dest, src, len);
    195. 

  195. <a name="l00175"></a>00175   <span class="keywordflow">return</span> dest + len;
    196. 

  196. <a name="l00176"></a>00176 }
    197. 

  197. <a name="l00177"></a>00177 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    198. 

  198. <a name="l00178"></a>00178 <span class="keyword">static</span> <span class="keywordtype">void</span>
    199. 

  199. <a name="l00179"></a>00179 senddata(<span class="keywordtype">void</span>)
    200. 

  200. <a name="l00180"></a>00180 {
    201. 

  201. <a name="l00181"></a>00181   <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="a00088.html#0ef3ae2764714bf90620075c374c262e">len</a>;
    202. 

  202. <a name="l00182"></a>00182   <span class="keywordtype">char</span> *getrequest;
    203. 

  203. <a name="l00183"></a>00183   <span class="keywordtype">char</span> *cptr;
    204. 

  204. <a name="l00184"></a>00184   
    205. 

  205. <a name="l00185"></a>00185   <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">getrequestleft</a> &gt; 0) {
    206. 

  206. <a name="l00186"></a>00186     cptr = getrequest = (<span class="keywordtype">char</span> *)<a class="code" href="a00150.html#g561b8eda32e059d4e7397f776268cc63">uip_appdata</a>;
    207. 

  207. <a name="l00187"></a>00187 
    208. 

  208. <a name="l00188"></a>00188     cptr = copy_string(cptr, http_get, <span class="keyword">sizeof</span>(http_get) - 1);
    209. 

  209. <a name="l00189"></a>00189     cptr = copy_string(cptr, s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>, strlen(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>));
    210. 

  210. <a name="l00190"></a>00190     *cptr++ = <a class="code" href="a00163.html#g71e1b022f7b7fa3a154f19372b239935">ISO_space</a>;
    211. 

  211. <a name="l00191"></a>00191     cptr = copy_string(cptr, http_10, <span class="keyword">sizeof</span>(http_10) - 1);
    212. 

  212. <a name="l00192"></a>00192 
    213. 

  213. <a name="l00193"></a>00193     cptr = copy_string(cptr, http_crnl, <span class="keyword">sizeof</span>(http_crnl) - 1);
    214. 

  214. <a name="l00194"></a>00194     
    215. 

  215. <a name="l00195"></a>00195     cptr = copy_string(cptr, http_host, <span class="keyword">sizeof</span>(http_host) - 1);
    216. 

  216. <a name="l00196"></a>00196     cptr = copy_string(cptr, s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>, strlen(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>));
    217. 

  217. <a name="l00197"></a>00197     cptr = copy_string(cptr, http_crnl, <span class="keyword">sizeof</span>(http_crnl) - 1);
    218. 

  218. <a name="l00198"></a>00198 
    219. 

  219. <a name="l00199"></a>00199     cptr = copy_string(cptr, http_user_agent_fields,
    220. 

  220. <a name="l00200"></a>00200                        strlen(http_user_agent_fields));
    221. 

  221. <a name="l00201"></a>00201     
    222. 

  222. <a name="l00202"></a>00202     len = s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">getrequestleft</a> &gt; <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>()?
    223. 

  223. <a name="l00203"></a>00203       <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>():
    224. 

  224. <a name="l00204"></a>00204       s.getrequestleft;
    225. 

  225. <a name="l00205"></a>00205     <a class="code" href="a00147.html#g04b053a623aac7cd4195157d470661b3">uip_send</a>(&amp;(getrequest[s.<a class="code" href="a00097.html#134ec55c3d5abaebfed4ff8edfedf1ea">getrequestptr</a>]), len);
    226. 

  226. <a name="l00206"></a>00206   }
    227. 

  227. <a name="l00207"></a>00207 }
    228. 

  228. <a name="l00208"></a>00208 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    229. 

  229. <a name="l00209"></a>00209 <span class="keyword">static</span> <span class="keywordtype">void</span>
    230. 

  230. <a name="l00210"></a>00210 acked(<span class="keywordtype">void</span>)
    231. 

  231. <a name="l00211"></a>00211 {
    232. 

  232. <a name="l00212"></a>00212   <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> len;
    233. 

  233. <a name="l00213"></a>00213   
    234. 

  234. <a name="l00214"></a>00214   <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">getrequestleft</a> &gt; 0) {
    235. 

  235. <a name="l00215"></a>00215     len = s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">getrequestleft</a> &gt; <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>()?
    236. 

  236. <a name="l00216"></a>00216       <a class="code" href="a00147.html#gb5fecbc62edd128012cea0f47b57ab9f">uip_mss</a>():
    237. 

  237. <a name="l00217"></a>00217       s.getrequestleft;
    238. 

  238. <a name="l00218"></a>00218     s.<a class="code" href="a00097.html#5a3116623c6a7da7c82db6c301ae0da3">getrequestleft</a> -= len;
    239. 

  239. <a name="l00219"></a>00219     s.<a class="code" href="a00097.html#134ec55c3d5abaebfed4ff8edfedf1ea">getrequestptr</a> += len;
    240. 

  240. <a name="l00220"></a>00220   }
    241. 

  241. <a name="l00221"></a>00221 }
    242. 

  242. <a name="l00222"></a>00222 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    243. 

  243. <a name="l00223"></a>00223 <span class="keyword">static</span> <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a>
    244. 

  244. <a name="l00224"></a>00224 parse_statusline(<a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> len)
    245. 

  245. <a name="l00225"></a>00225 {
    246. 

  246. <a name="l00226"></a>00226   <span class="keywordtype">char</span> *cptr;
    247. 

  247. <a name="l00227"></a>00227   
    248. 

  248. <a name="l00228"></a>00228   <span class="keywordflow">while</span>(len &gt; 0 &amp;&amp; s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> &lt; <span class="keyword">sizeof</span>(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>)) {
    249. 

  249. <a name="l00229"></a>00229     s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a>] = *(<span class="keywordtype">char</span> *)<a class="code" href="a00150.html#g561b8eda32e059d4e7397f776268cc63">uip_appdata</a>;
    250. 

  250. <a name="l00230"></a>00230     ++((<span class="keywordtype">char</span> *)<a class="code" href="a00150.html#g561b8eda32e059d4e7397f776268cc63">uip_appdata</a>);
    251. 

  251. <a name="l00231"></a>00231     --len;
    252. 

  252. <a name="l00232"></a>00232     <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a>] == <a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>) {
    253. 

  253. <a name="l00233"></a>00233 
    254. 

  254. <a name="l00234"></a>00234       <span class="keywordflow">if</span>((strncmp(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>, http_10,
    255. 

  255. <a name="l00235"></a>00235                   <span class="keyword">sizeof</span>(http_10) - 1) == 0) ||
    256. 

  256. <a name="l00236"></a>00236          (strncmp(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>, http_11,
    257. 

  257. <a name="l00237"></a>00237                   <span class="keyword">sizeof</span>(http_11) - 1) == 0)) {
    258. 

  258. <a name="l00238"></a>00238         cptr = &amp;(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[9]);
    259. 

  259. <a name="l00239"></a>00239         s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7d">httpflag</a> = <a class="code" href="a00163.html#g40fb1fb2d990ce04ae9bbee275627c03">HTTPFLAG_NONE</a>;
    260. 

  260. <a name="l00240"></a>00240         <span class="keywordflow">if</span>(strncmp(cptr, http_200, <span class="keyword">sizeof</span>(http_200) - 1) == 0) {
    261. 

  261. <a name="l00241"></a>00241           <span class="comment">/* 200 OK */</span>
    262. 

  262. <a name="l00242"></a>00242           s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7d">httpflag</a> = <a class="code" href="a00163.html#gda99954e0f6905091885934e86c278cc">HTTPFLAG_OK</a>;
    263. 

  263. <a name="l00243"></a>00243         } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strncmp(cptr, http_301, <span class="keyword">sizeof</span>(http_301) - 1) == 0 ||
    264. 

  264. <a name="l00244"></a>00244                   strncmp(cptr, http_302, <span class="keyword">sizeof</span>(http_302) - 1) == 0) {
    265. 

  265. <a name="l00245"></a>00245           <span class="comment">/* 301 Moved permanently or 302 Found. Location: header line</span>
    266. 

  266. <a name="l00246"></a>00246 <span class="comment">             will contain thw new location. */</span>
    267. 

  267. <a name="l00247"></a>00247           s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7d">httpflag</a> = <a class="code" href="a00163.html#gd895686859ae7d178d31be04eb0a1a97">HTTPFLAG_MOVED</a>;
    268. 

  268. <a name="l00248"></a>00248         } <span class="keywordflow">else</span> {
    269. 

  269. <a name="l00249"></a>00249           s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> - 1] = 0;
    270. 

  270. <a name="l00250"></a>00250         }
    271. 

  271. <a name="l00251"></a>00251       } <span class="keywordflow">else</span> {
    272. 

  272. <a name="l00252"></a>00252         <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b56c">uip_abort</a>();
    273. 

  273. <a name="l00253"></a>00253         <a class="code" href="a00163.html#gf11d9915ec12a8cdd9fdcbb5e8fcd5c7">webclient_aborted</a>();
    274. 

  274. <a name="l00254"></a>00254         <span class="keywordflow">return</span> 0;
    275. 

  275. <a name="l00255"></a>00255       }
    276. 

  276. <a name="l00256"></a>00256       
    277. 

  277. <a name="l00257"></a>00257       <span class="comment">/* We're done parsing the status line, so we reset the pointer</span>
    278. 

  278. <a name="l00258"></a>00258 <span class="comment">         and start parsing the HTTP headers.*/</span>
    279. 

  279. <a name="l00259"></a>00259       s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> = 0;
    280. 

  280. <a name="l00260"></a>00260       s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> = <a class="code" href="a00163.html#gc4357cec23abca29d2bb885803625a6a">WEBCLIENT_STATE_HEADERS</a>;
    281. 

  281. <a name="l00261"></a>00261       <span class="keywordflow">break</span>;
    282. 

  282. <a name="l00262"></a>00262     } <span class="keywordflow">else</span> {
    283. 

  283. <a name="l00263"></a>00263       ++s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a>;
    284. 

  284. <a name="l00264"></a>00264     }
    285. 

  285. <a name="l00265"></a>00265   }
    286. 

  286. <a name="l00266"></a>00266   <span class="keywordflow">return</span> len;
    287. 

  287. <a name="l00267"></a>00267 }
    288. 

  288. <a name="l00268"></a>00268 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    289. 

  289. <a name="l00269"></a>00269 <span class="keyword">static</span> <span class="keywordtype">char</span>
    290. 

  290. <a name="l00270"></a>00270 casecmp(<span class="keywordtype">char</span> *str1, <span class="keyword">const</span> <span class="keywordtype">char</span> *str2, <span class="keywordtype">char</span> len)
    291. 

  291. <a name="l00271"></a>00271 {
    292. 

  292. <a name="l00272"></a>00272   <span class="keyword">static</span> <span class="keywordtype">char</span> c;
    293. 

  293. <a name="l00273"></a>00273   
    294. 

  294. <a name="l00274"></a>00274   <span class="keywordflow">while</span>(len &gt; 0) {
    295. 

  295. <a name="l00275"></a>00275     c = *str1;
    296. 

  296. <a name="l00276"></a>00276     <span class="comment">/* Force lower-case characters. */</span>
    297. 

  297. <a name="l00277"></a>00277     <span class="keywordflow">if</span>(c &amp; 0x40) {
    298. 

  298. <a name="l00278"></a>00278       c |= 0x20;
    299. 

  299. <a name="l00279"></a>00279     }
    300. 

  300. <a name="l00280"></a>00280     <span class="keywordflow">if</span>(*str2 != c) {
    301. 

  301. <a name="l00281"></a>00281       <span class="keywordflow">return</span> 1;
    302. 

  302. <a name="l00282"></a>00282     }
    303. 

  303. <a name="l00283"></a>00283     ++str1;
    304. 

  304. <a name="l00284"></a>00284     ++str2;
    305. 

  305. <a name="l00285"></a>00285     --len;
    306. 

  306. <a name="l00286"></a>00286   }
    307. 

  307. <a name="l00287"></a>00287   <span class="keywordflow">return</span> 0;
    308. 

  308. <a name="l00288"></a>00288 }
    309. 

  309. <a name="l00289"></a>00289 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    310. 

  310. <a name="l00290"></a>00290 <span class="keyword">static</span> <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a>
    311. 

  311. <a name="l00291"></a>00291 parse_headers(<a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> len)
    312. 

  312. <a name="l00292"></a>00292 {
    313. 

  313. <a name="l00293"></a>00293   <span class="keywordtype">char</span> *cptr;
    314. 

  314. <a name="l00294"></a>00294   <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i;
    315. 

  315. <a name="l00295"></a>00295   
    316. 

  316. <a name="l00296"></a>00296   <span class="keywordflow">while</span>(len &gt; 0 &amp;&amp; s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> &lt; <span class="keyword">sizeof</span>(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>)) {
    317. 

  317. <a name="l00297"></a>00297     s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a>] = *(<span class="keywordtype">char</span> *)uip_appdata;
    318. 

  318. <a name="l00298"></a>00298     ++((<span class="keywordtype">char</span> *)uip_appdata);
    319. 

  319. <a name="l00299"></a>00299     --len;
    320. 

  320. <a name="l00300"></a>00300     <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a>] == <a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>) {
    321. 

  321. <a name="l00301"></a>00301       <span class="comment">/* We have an entire HTTP header line in s.httpheaderline, so</span>
    322. 

  322. <a name="l00302"></a>00302 <span class="comment">         we parse it. */</span>
    323. 

  323. <a name="l00303"></a>00303       <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[0] == <a class="code" href="a00161.html#g6cda47c85ce1b58b501b44ac9cccc50e">ISO_cr</a>) {
    324. 

  324. <a name="l00304"></a>00304         <span class="comment">/* This was the last header line (i.e., and empty "\r\n"), so</span>
    325. 

  325. <a name="l00305"></a>00305 <span class="comment">           we are done with the headers and proceed with the actual</span>
    326. 

  326. <a name="l00306"></a>00306 <span class="comment">           data. */</span>
    327. 

  327. <a name="l00307"></a>00307         s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> = <a class="code" href="a00163.html#g4d457c50e6f2cef57167c3804ce8bf7c">WEBCLIENT_STATE_DATA</a>;
    328. 

  328. <a name="l00308"></a>00308         <span class="keywordflow">return</span> len;
    329. 

  329. <a name="l00309"></a>00309       }
    330. 

  330. <a name="l00310"></a>00310 
    331. 

  331. <a name="l00311"></a>00311       s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>[s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> - 1] = 0;
    332. 

  332. <a name="l00312"></a>00312       <span class="comment">/* Check for specific HTTP header fields. */</span>
    333. 

  333. <a name="l00313"></a>00313       <span class="keywordflow">if</span>(casecmp(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>, http_content_type,
    334. 

  334. <a name="l00314"></a>00314                      <span class="keyword">sizeof</span>(http_content_type) - 1) == 0) {
    335. 

  335. <a name="l00315"></a>00315         <span class="comment">/* Found Content-type field. */</span>
    336. 

  336. <a name="l00316"></a>00316         cptr = strchr(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>, <span class="charliteral">';'</span>);
    337. 

  337. <a name="l00317"></a>00317         <span class="keywordflow">if</span>(cptr != <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
    338. 

  338. <a name="l00318"></a>00318           *cptr = 0;
    339. 

  339. <a name="l00319"></a>00319         }
    340. 

  340. <a name="l00320"></a>00320         strncpy(s.<a class="code" href="a00097.html#fb60f42593d305ea36d9b4303722696e">mimetype</a>, s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a> +
    341. 

  341. <a name="l00321"></a>00321                 <span class="keyword">sizeof</span>(http_content_type) - 1, <span class="keyword">sizeof</span>(s.<a class="code" href="a00097.html#fb60f42593d305ea36d9b4303722696e">mimetype</a>));
    342. 

  342. <a name="l00322"></a>00322       } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(casecmp(s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a>, http_location,
    343. 

  343. <a name="l00323"></a>00323                             <span class="keyword">sizeof</span>(http_location) - 1) == 0) {
    344. 

  344. <a name="l00324"></a>00324         cptr = s.<a class="code" href="a00097.html#606d2729bf411ade69044828403a72af">httpheaderline</a> +
    345. 

  345. <a name="l00325"></a>00325           <span class="keyword">sizeof</span>(http_location) - 1;
    346. 

  346. <a name="l00326"></a>00326         
    347. 

  347. <a name="l00327"></a>00327         <span class="keywordflow">if</span>(strncmp(cptr, http_http, 7) == 0) {
    348. 

  348. <a name="l00328"></a>00328           cptr += 7;
    349. 

  349. <a name="l00329"></a>00329           <span class="keywordflow">for</span>(i = 0; i &lt; s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> - 7; ++i) {
    350. 

  350. <a name="l00330"></a>00330             <span class="keywordflow">if</span>(*cptr == 0 ||
    351. 

  351. <a name="l00331"></a>00331                *cptr == <span class="charliteral">'/'</span> ||
    352. 

  352. <a name="l00332"></a>00332                *cptr == <span class="charliteral">' '</span> ||
    353. 

  353. <a name="l00333"></a>00333                *cptr == <span class="charliteral">':'</span>) {
    354. 

  354. <a name="l00334"></a>00334               s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>[i] = 0;
    355. 

  355. <a name="l00335"></a>00335               <span class="keywordflow">break</span>;
    356. 

  356. <a name="l00336"></a>00336             }
    357. 

  357. <a name="l00337"></a>00337             s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>[i] = *cptr;
    358. 

  358. <a name="l00338"></a>00338             ++cptr;
    359. 

  359. <a name="l00339"></a>00339           }
    360. 

  360. <a name="l00340"></a>00340         }
    361. 

  361. <a name="l00341"></a>00341         strncpy(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>, cptr, <span class="keyword">sizeof</span>(s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>));
    362. 

  362. <a name="l00342"></a>00342         <span class="comment">/*      s.file[s.httpheaderlineptr - i] = 0;*/</span>
    363. 

  363. <a name="l00343"></a>00343       }
    364. 

  364. <a name="l00344"></a>00344 
    365. 

  365. <a name="l00345"></a>00345 
    366. 

  366. <a name="l00346"></a>00346       <span class="comment">/* We're done parsing, so we reset the pointer and start the</span>
    367. 

  367. <a name="l00347"></a>00347 <span class="comment">         next line. */</span>
    368. 

  368. <a name="l00348"></a>00348       s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a> = 0;
    369. 

  369. <a name="l00349"></a>00349     } <span class="keywordflow">else</span> {
    370. 

  370. <a name="l00350"></a>00350       ++s.<a class="code" href="a00097.html#2fca02673894f222b01ad2d3a4d7dd79">httpheaderlineptr</a>;
    371. 

  371. <a name="l00351"></a>00351     }
    372. 

  372. <a name="l00352"></a>00352   }
    373. 

  373. <a name="l00353"></a>00353   <span class="keywordflow">return</span> len;
    374. 

  374. <a name="l00354"></a>00354 }
    375. 

  375. <a name="l00355"></a>00355 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    376. 

  376. <a name="l00356"></a>00356 <span class="keyword">static</span> <span class="keywordtype">void</span>
    377. 

  377. <a name="l00357"></a>00357 newdata(<span class="keywordtype">void</span>)
    378. 

  378. <a name="l00358"></a>00358 {
    379. 

  379. <a name="l00359"></a>00359   <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> len;
    380. 

  380. <a name="l00360"></a>00360 
    381. 

  381. <a name="l00361"></a>00361   len = <a class="code" href="a00147.html#g1a1bc437c09ddef238abab41d77c3177">uip_datalen</a>();
    382. 

  382. <a name="l00362"></a>00362 
    383. 

  383. <a name="l00363"></a>00363   <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> == <a class="code" href="a00163.html#g8714af98a550f10dc814db92b08d1b0d">WEBCLIENT_STATE_STATUSLINE</a>) {
    384. 

  384. <a name="l00364"></a>00364     len = parse_statusline(len);
    385. 

  385. <a name="l00365"></a>00365   }
    386. 

  386. <a name="l00366"></a>00366   
    387. 

  387. <a name="l00367"></a>00367   <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> == <a class="code" href="a00163.html#gc4357cec23abca29d2bb885803625a6a">WEBCLIENT_STATE_HEADERS</a> &amp;&amp; len &gt; 0) {
    388. 

  388. <a name="l00368"></a>00368     len = parse_headers(len);
    389. 

  389. <a name="l00369"></a>00369   }
    390. 

  390. <a name="l00370"></a>00370 
    391. 

  391. <a name="l00371"></a>00371   <span class="keywordflow">if</span>(len &gt; 0 &amp;&amp; s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> == <a class="code" href="a00163.html#g4d457c50e6f2cef57167c3804ce8bf7c">WEBCLIENT_STATE_DATA</a> &amp;&amp;
    392. 

  392. <a name="l00372"></a>00372      s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7d">httpflag</a> != <a class="code" href="a00163.html#gd895686859ae7d178d31be04eb0a1a97">HTTPFLAG_MOVED</a>) {
    393. 

  393. <a name="l00373"></a>00373     <a class="code" href="a00163.html#gc4b119801e50cc1824498a1cdf9adc37">webclient_datahandler</a>((<span class="keywordtype">char</span> *)uip_appdata, len);
    394. 

  394. <a name="l00374"></a>00374   }
    395. 

  395. <a name="l00375"></a>00375 }
    396. 

  396. <a name="l00376"></a>00376 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    397. 

  397. <a name="l00377"></a>00377 <span class="keywordtype">void</span>
    398. 

  398. <a name="l00378"></a><a class="code" href="a00163.html#g9e6d2864f390a4ba1ac60dc65e2b9815">00378</a> <a class="code" href="a00163.html#g9e6d2864f390a4ba1ac60dc65e2b9815">webclient_appcall</a>(<span class="keywordtype">void</span>)
    399. 

  399. <a name="l00379"></a>00379 {
    400. 

  400. <a name="l00380"></a>00380   <span class="keywordflow">if</span>(<a class="code" href="a00147.html#gdb971fb1525d0c5002f52125b05f3218">uip_connected</a>()) {
    401. 

  401. <a name="l00381"></a>00381     s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8">timer</a> = 0;
    402. 

  402. <a name="l00382"></a>00382     s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> = <a class="code" href="a00163.html#g8714af98a550f10dc814db92b08d1b0d">WEBCLIENT_STATE_STATUSLINE</a>;
    403. 

  403. <a name="l00383"></a>00383     senddata();
    404. 

  404. <a name="l00384"></a>00384     <a class="code" href="a00163.html#g6b942c1ef22f8cd1a726ef3364c9fbea">webclient_connected</a>();
    405. 

  405. <a name="l00385"></a>00385     <span class="keywordflow">return</span>;
    406. 

  406. <a name="l00386"></a>00386   }
    407. 

  407. <a name="l00387"></a>00387 
    408. 

  408. <a name="l00388"></a>00388   <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#8ae6395641b7752dce47881e20cee970">state</a> == <a class="code" href="a00163.html#g863c94b0ed4a76997e53a3ccd5d0b6c3">WEBCLIENT_STATE_CLOSE</a>) {
    409. 

  409. <a name="l00389"></a>00389     <a class="code" href="a00163.html#gf8f12c820cc08da32aa62898bfc02db3">webclient_closed</a>();
    410. 

  410. <a name="l00390"></a>00390     <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b56c">uip_abort</a>();
    411. 

  411. <a name="l00391"></a>00391     <span class="keywordflow">return</span>;
    412. 

  412. <a name="l00392"></a>00392   }
    413. 

  413. <a name="l00393"></a>00393 
    414. 

  414. <a name="l00394"></a>00394   <span class="keywordflow">if</span>(<a class="code" href="a00147.html#gfbd5fc486dfdf6bf6fc9db52b1f418c4">uip_aborted</a>()) {
    415. 

  415. <a name="l00395"></a>00395     <a class="code" href="a00163.html#gf11d9915ec12a8cdd9fdcbb5e8fcd5c7">webclient_aborted</a>();
    416. 

  416. <a name="l00396"></a>00396   }
    417. 

  417. <a name="l00397"></a>00397   <span class="keywordflow">if</span>(<a class="code" href="a00147.html#g7b2ac4b18bd2ac3912fe67b3b17158c3">uip_timedout</a>()) {
    418. 

  418. <a name="l00398"></a>00398     <a class="code" href="a00163.html#g23705efb9077187881f094fc9be13bde">webclient_timedout</a>();
    419. 

  419. <a name="l00399"></a>00399   }
    420. 

  420. <a name="l00400"></a>00400 
    421. 

  421. <a name="l00401"></a>00401   
    422. 

  422. <a name="l00402"></a>00402   <span class="keywordflow">if</span>(<a class="code" href="a00147.html#gde6634974418e3240c212b9b16864368">uip_acked</a>()) {
    423. 

  423. <a name="l00403"></a>00403     s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8">timer</a> = 0;
    424. 

  424. <a name="l00404"></a>00404     acked();
    425. 

  425. <a name="l00405"></a>00405   }
    426. 

  426. <a name="l00406"></a>00406   <span class="keywordflow">if</span>(<a class="code" href="a00147.html#g26a14b8dae3f861830af9e7cf1e03725">uip_newdata</a>()) {
    427. 

  427. <a name="l00407"></a>00407     s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8">timer</a> = 0;
    428. 

  428. <a name="l00408"></a>00408     newdata();
    429. 

  429. <a name="l00409"></a>00409   }
    430. 

  430. <a name="l00410"></a>00410   <span class="keywordflow">if</span>(<a class="code" href="a00147.html#ga8933ad15a2e2947dae4a5cff50e6007">uip_rexmit</a>() ||
    431. 

  431. <a name="l00411"></a>00411      <a class="code" href="a00147.html#g26a14b8dae3f861830af9e7cf1e03725">uip_newdata</a>() ||
    432. 

  432. <a name="l00412"></a>00412      <a class="code" href="a00147.html#gde6634974418e3240c212b9b16864368">uip_acked</a>()) {
    433. 

  433. <a name="l00413"></a>00413     senddata();
    434. 

  434. <a name="l00414"></a>00414   } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<a class="code" href="a00147.html#g58bb90796c1cdad3aac2ecf44d87b20e">uip_poll</a>()) {
    435. 

  435. <a name="l00415"></a>00415     ++s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8">timer</a>;
    436. 

  436. <a name="l00416"></a>00416     <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#5960d82e7aca2986b8509a0d87d6cbc8">timer</a> == <a class="code" href="a00163.html#g31be289fd8ec3fe09b0088165d13976d">WEBCLIENT_TIMEOUT</a>) {
    437. 

  437. <a name="l00417"></a>00417       <a class="code" href="a00163.html#g23705efb9077187881f094fc9be13bde">webclient_timedout</a>();
    438. 

  438. <a name="l00418"></a>00418       <a class="code" href="a00147.html#g88d2ccf7cd821f89d9a8df7e3948b56c">uip_abort</a>();
    439. 

  439. <a name="l00419"></a>00419       <span class="keywordflow">return</span>;
    440. 

  440. <a name="l00420"></a>00420     }
    441. 

  441. <a name="l00421"></a>00421         <span class="comment">/*    senddata();*/</span>
    442. 

  442. <a name="l00422"></a>00422   }
    443. 

  443. <a name="l00423"></a>00423 
    444. 

  444. <a name="l00424"></a>00424   <span class="keywordflow">if</span>(<a class="code" href="a00147.html#gef6c4140c632b6a406779342cf3b6eb6">uip_closed</a>()) {
    445. 

  445. <a name="l00425"></a>00425     <span class="keywordflow">if</span>(s.<a class="code" href="a00097.html#6925d46b2819adb474a5f0036f02dd7d">httpflag</a> != <a class="code" href="a00163.html#gd895686859ae7d178d31be04eb0a1a97">HTTPFLAG_MOVED</a>) {
    446. 

  446. <a name="l00426"></a>00426       <span class="comment">/* Send NULL data to signal EOF. */</span>
    447. 

  447. <a name="l00427"></a>00427       <a class="code" href="a00163.html#gc4b119801e50cc1824498a1cdf9adc37">webclient_datahandler</a>(<a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 0);
    448. 

  448. <a name="l00428"></a>00428     } <span class="keywordflow">else</span> {
    449. 

  449. <a name="l00429"></a>00429       <span class="keywordflow">if</span>(<a class="code" href="a00160.html#g66d19181ad5fe8b8f7c84d1f1d46a2ec">resolv_lookup</a>(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>) == <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
    450. 

  450. <a name="l00430"></a>00430         <a class="code" href="a00160.html#ge4dcbbe6c641d2e3b8537b479df5fc99">resolv_query</a>(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>);
    451. 

  451. <a name="l00431"></a>00431       }
    452. 

  452. <a name="l00432"></a>00432       <a class="code" href="a00163.html#gf9385ef9ecc74c7d53ff2f15e62bfde3">webclient_get</a>(s.<a class="code" href="a00097.html#a6487b9c1c773b32656065d0e19bf142">host</a>, s.<a class="code" href="a00097.html#7092781c50dcad50f473888585c85b83">port</a>, s.<a class="code" href="a00097.html#e87913860c6b05c6e6b060639b950098">file</a>);
    453. 

  453. <a name="l00433"></a>00433     }
    454. 

  454. <a name="l00434"></a>00434   }
    455. 

  455. <a name="l00435"></a>00435 }
    456. 

  456. <a name="l00436"></a>00436 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
    457. 

  457. <a name="l00437"></a>00437 <span class="comment"></span>
    458. 

  458. <a name="l00438"></a>00438 <span class="comment">/** @} */</span><span class="comment"></span>
    459. 

  459. <a name="l00439"></a>00439 <span class="comment">/** @} */</span>
    460. 

  460. </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;
    461. 

  461. <a href="http://www.doxygen.org/index.html">
    462. 

  462. <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
    463. 

  463. </body>
    464. 

  464. </html>
    465.