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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 <h1>uip/psock.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span cl…
22 <a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2004, Swedish Institute of Comput…
23 <a name="l00003"></a>00003 <span class="comment"> * All rights reserved.</span>
24 <a name="l00004"></a>00004 <span class="comment"> *</span>
25 <a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary for…
26 <a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the f…
27 <a name="l00007"></a>00007 <span class="comment"> * are met:</span>
28 <a name="l00008"></a>00008 <span class="comment"> * 1. Redistributions of source code must retain t…
29 <a name="l00009"></a>00009 <span class="comment"> * notice, this list of conditions and the foll…
30 <a name="l00010"></a>00010 <span class="comment"> * 2. Redistributions in binary form must reproduc…
31 <a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the foll…
32 <a name="l00012"></a>00012 <span class="comment"> * documentation and/or other materials provide…
33 <a name="l00013"></a>00013 <span class="comment"> * 3. Neither the name of the Institute nor the na…
34 <a name="l00014"></a>00014 <span class="comment"> * may be used to endorse or promote products d…
35 <a name="l00015"></a>00015 <span class="comment"> * without specific prior written permission.</…
36 <a name="l00016"></a>00016 <span class="comment"> *</span>
37 <a name="l00017"></a>00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND …
38 <a name="l00018"></a>00018 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, B…
39 <a name="l00019"></a>00019 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNE…
40 <a name="l00020"></a>00020 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUT…
41 <a name="l00021"></a>00021 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, …
42 <a name="l00022"></a>00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCURE…
43 <a name="l00023"></a>00023 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR …
44 <a name="l00024"></a>00024 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, …
45 <a name="l00025"></a>00025 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH…
46 <a name="l00026"></a>00026 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISE…
47 <a name="l00027"></a>00027 <span class="comment"> * SUCH DAMAGE.</span>
48 <a name="l00028"></a>00028 <span class="comment"> *</span>
49 <a name="l00029"></a>00029 <span class="comment"> * This file is part of the uIP TCP/IP stack</span>
50 <a name="l00030"></a>00030 <span class="comment"> *</span>
51 <a name="l00031"></a>00031 <span class="comment"> * Author: Adam Dunkels <[email protected]></span>
52 <a name="l00032"></a>00032 <span class="comment"> *</span>
53 <a name="l00033"></a>00033 <span class="comment"> * $Id: psock.c,v 1.2 2006/06/12 08:00:30 adam Exp…
54 <a name="l00034"></a>00034 <span class="comment"> */</span>
55 <a name="l00035"></a>00035
56 <a name="l00036"></a>00036 <span class="preprocessor">#include <stdio.h></span>
57 <a name="l00037"></a>00037 <span class="preprocessor">#include <string.h></span>
58 <a name="l00038"></a>00038
59 <a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="a00140.html">…
60 <a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="a00127.html">…
61 <a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="a00136.html">…
62 <a name="l00042"></a>00042
63 <a name="l00043"></a>00043 <span class="preprocessor">#define STATE_NONE 0</span>
64 <a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define STA…
65 <a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define STA…
66 <a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#define STA…
67 <a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#define STA…
68 <a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define STA…
69 <a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define STA…
70 <a name="l00050"></a>00050 <span class="preprocessor"></span>
71 <a name="l00051"></a>00051 <span class="comment">/*</span>
72 <a name="l00052"></a>00052 <span class="comment"> * Return value of the buffering functions that in…
73 <a name="l00053"></a>00053 <span class="comment"> * buffer was not filled by incoming data.</span>
74 <a name="l00054"></a>00054 <span class="comment"> *</span>
75 <a name="l00055"></a>00055 <span class="comment"> */</span>
76 <a name="l00056"></a>00056 <span class="preprocessor">#define BUF_NOT_FULL 0</span>
77 <a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#define BUF…
78 <a name="l00058"></a>00058 <span class="preprocessor"></span>
79 <a name="l00059"></a>00059 <span class="comment">/*</span>
80 <a name="l00060"></a>00060 <span class="comment"> * Return value of the buffering functions that in…
81 <a name="l00061"></a>00061 <span class="comment"> * buffer was completely filled by incoming data.<…
82 <a name="l00062"></a>00062 <span class="comment"> *</span>
83 <a name="l00063"></a>00063 <span class="comment"> */</span>
84 <a name="l00064"></a>00064 <span class="preprocessor">#define BUF_FULL 1</span>
85 <a name="l00065"></a>00065 <span class="preprocessor"></span>
86 <a name="l00066"></a>00066 <span class="comment">/*</span>
87 <a name="l00067"></a>00067 <span class="comment"> * Return value of the buffering functions that in…
88 <a name="l00068"></a>00068 <span class="comment"> * end-marker byte was found.</span>
89 <a name="l00069"></a>00069 <span class="comment"> *</span>
90 <a name="l00070"></a>00070 <span class="comment"> */</span>
91 <a name="l00071"></a>00071 <span class="preprocessor">#define BUF_FOUND 2</span>
92 <a name="l00072"></a>00072 <span class="preprocessor"></span>
93 <a name="l00073"></a>00073 <span class="comment">/*------------------------------------------------…
94 <a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keywordtype">void</span>
95 <a name="l00075"></a>00075 buf_setup(<span class="keyword">struct</span> <a class="code" href="a000…
96 …a name="l00076"></a>00076 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d…
97 <a name="l00077"></a>00077 {
98 <a name="l00078"></a>00078 buf-><a class="code" href="a00083.html#5e8637b1514d03eb3eb12dc9a502…
99 <a name="l00079"></a>00079 buf-><a class="code" href="a00083.html#20fae11b540a561c622a0d74cb4b…
100 <a name="l00080"></a>00080 }
101 <a name="l00081"></a>00081 <span class="comment">/*------------------------------------------------…
102 <a name="l00082"></a>00082 <span class="keyword">static</span> <a class="code" href="a00153.html#g4…
103 …a name="l00083"></a>00083 buf_bufdata(<span class="keyword">struct</span> <a class="code" href="a0…
104 …a name="l00084"></a>00084 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c…
105 <a name="l00085"></a>00085 {
106 <a name="l00086"></a>00086 <span class="keywordflow">if</span>(*datalen < buf->left) {
107 <a name="l00087"></a>00087 memcpy(buf-><a class="code" href="a00083.html#5e8637b1514d03eb3eb…
108 <a name="l00088"></a>00088 buf-><a class="code" href="a00083.html#5e8637b1514d03eb3eb12dc9a5…
109 <a name="l00089"></a>00089 buf-><a class="code" href="a00083.html#20fae11b540a561c622a0d74cb…
110 <a name="l00090"></a>00090 *dataptr += *datalen;
111 <a name="l00091"></a>00091 *datalen = 0;
112 <a name="l00092"></a>00092 <span class="keywordflow">return</span> BUF_NOT_FULL;
113 …a name="l00093"></a>00093 } <span class="keywordflow">else</span> <span class="keywordflow">if</…
114 <a name="l00094"></a>00094 memcpy(buf-><a class="code" href="a00083.html#5e8637b1514d03eb3eb…
115 <a name="l00095"></a>00095 buf-><a class="code" href="a00083.html#5e8637b1514d03eb3eb12dc9a5…
116 <a name="l00096"></a>00096 buf-><a class="code" href="a00083.html#20fae11b540a561c622a0d74cb…
117 <a name="l00097"></a>00097 *dataptr += *datalen;
118 <a name="l00098"></a>00098 *datalen = 0;
119 <a name="l00099"></a>00099 <span class="keywordflow">return</span> BUF_FULL;
120 <a name="l00100"></a>00100 } <span class="keywordflow">else</span> {
121 …a name="l00101"></a>00101 memcpy(buf-><a class="code" href="a00083.html#5e8637b1514d03eb3eb…
122 …a name="l00102"></a>00102 buf-><a class="code" href="a00083.html#5e8637b1514d03eb3eb12dc9a5…
123 <a name="l00103"></a>00103 *datalen -= buf-><a class="code" href="a00083.html#20fae11b540a56…
124 <a name="l00104"></a>00104 *dataptr += buf-><a class="code" href="a00083.html#20fae11b540a56…
125 <a name="l00105"></a>00105 buf-><a class="code" href="a00083.html#20fae11b540a561c622a0d74cb…
126 <a name="l00106"></a>00106 <span class="keywordflow">return</span> BUF_FULL;
127 <a name="l00107"></a>00107 }
128 <a name="l00108"></a>00108 }
129 <a name="l00109"></a>00109 <span class="comment">/*------------------------------------------------…
130 <a name="l00110"></a>00110 <span class="keyword">static</span> <a class="code" href="a00153.html#g4…
131 …a name="l00111"></a>00111 buf_bufto(<span class="keyword">register</span> <span class="keyword">st…
132 …a name="l00112"></a>00112 <span class="keyword">register</span> <a class="code" href="a0…
133 <a name="l00113"></a>00113 {
134 <a name="l00114"></a>00114 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u…
135 <a name="l00115"></a>00115 <span class="keywordflow">while</span>(buf->left > 0 && …
136 <a name="l00116"></a>00116 c = *buf->ptr = **dataptr;
137 <a name="l00117"></a>00117 ++*dataptr;
138 <a name="l00118"></a>00118 ++buf->ptr;
139 <a name="l00119"></a>00119 --*datalen;
140 <a name="l00120"></a>00120 --buf->left;
141 <a name="l00121"></a>00121
142 <a name="l00122"></a>00122 <span class="keywordflow">if</span>(c == endmarker) {
143 <a name="l00123"></a>00123 <span class="keywordflow">return</span> BUF_FOUND;
144 <a name="l00124"></a>00124 }
145 <a name="l00125"></a>00125 }
146 <a name="l00126"></a>00126
147 <a name="l00127"></a>00127 <span class="keywordflow">if</span>(*datalen == 0) {
148 <a name="l00128"></a>00128 <span class="keywordflow">return</span> BUF_NOT_FOUND;
149 <a name="l00129"></a>00129 }
150 <a name="l00130"></a>00130
151 <a name="l00131"></a>00131 <span class="keywordflow">while</span>(*datalen > 0) {
152 <a name="l00132"></a>00132 c = **dataptr;
153 <a name="l00133"></a>00133 --*datalen;
154 <a name="l00134"></a>00134 ++*dataptr;
155 <a name="l00135"></a>00135
156 <a name="l00136"></a>00136 <span class="keywordflow">if</span>(c == endmarker) {
157 <a name="l00137"></a>00137 <span class="keywordflow">return</span> BUF_FOUND | BUF_FULL;
158 <a name="l00138"></a>00138 }
159 <a name="l00139"></a>00139 }
160 <a name="l00140"></a>00140
161 <a name="l00141"></a>00141 <span class="keywordflow">return</span> BUF_FULL;
162 <a name="l00142"></a>00142 }
163 <a name="l00143"></a>00143 <span class="comment">/*------------------------------------------------…
164 <a name="l00144"></a>00144 <span class="keyword">static</span> <span class="keywordtype">char</span>
165 …a name="l00145"></a>00145 send_data(<span class="keyword">register</span> <span class="keyword">st…
166 <a name="l00146"></a>00146 {
167 …a name="l00147"></a>00147 <span class="keywordflow">if</span>(s->state != STATE_DATA_SENT || …
168 …a name="l00148"></a>00148 <span class="keywordflow">if</span>(s->sendlen > <a class="cod…
169 …a name="l00149"></a>00149 <a class="code" href="a00147.html#g04b053a623aac7cd4195157d470661b…
170 <a name="l00150"></a>00150 } <span class="keywordflow">else</span> {
171 <a name="l00151"></a>00151 <a class="code" href="a00147.html#g04b053a623aac7cd4195157d470661b…
172 <a name="l00152"></a>00152 }
173 <a name="l00153"></a>00153 s->state = STATE_DATA_SENT;
174 <a name="l00154"></a>00154 <span class="keywordflow">return</span> 1;
175 <a name="l00155"></a>00155 }
176 <a name="l00156"></a>00156 <span class="keywordflow">return</span> 0;
177 <a name="l00157"></a>00157 }
178 <a name="l00158"></a>00158 <span class="comment">/*------------------------------------------------…
179 <a name="l00159"></a>00159 <span class="keyword">static</span> <span class="keywordtype">char</span>
180 …a name="l00160"></a>00160 data_acked(<span class="keyword">register</span> <span class="keyword">s…
181 <a name="l00161"></a>00161 {
182 …a name="l00162"></a>00162 <span class="keywordflow">if</span>(s->state == STATE_DATA_SENT &am…
183 …a name="l00163"></a>00163 <span class="keywordflow">if</span>(s->sendlen > <a class="cod…
184 <a name="l00164"></a>00164 s->sendlen -= <a class="code" href="a00147.html#gb5fecbc62edd12…
185 <a name="l00165"></a>00165 s->sendptr += <a class="code" href="a00147.html#gb5fecbc62edd12…
186 <a name="l00166"></a>00166 } <span class="keywordflow">else</span> {
187 <a name="l00167"></a>00167 s->sendptr += s->sendlen;
188 <a name="l00168"></a>00168 s->sendlen = 0;
189 <a name="l00169"></a>00169 }
190 <a name="l00170"></a>00170 s->state = STATE_ACKED;
191 <a name="l00171"></a>00171 <span class="keywordflow">return</span> 1;
192 <a name="l00172"></a>00172 }
193 <a name="l00173"></a>00173 <span class="keywordflow">return</span> 0;
194 <a name="l00174"></a>00174 }
195 <a name="l00175"></a>00175 <span class="comment">/*------------------------------------------------…
196 …a name="l00176"></a>00176 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_…
197 <a name="l00177"></a>00177 <span class="keywordtype">unsigned</span> <span cla…
198 <a name="l00178"></a>00178 {
199 <a name="l00179"></a>00179 <a class="code" href="a00142.html#g2ffbb9e554e08a343ae2f9de4bedfdfc">P…
200 <a name="l00180"></a>00180
201 <a name="l00181"></a>00181 <span class="comment">/* If there is no data to send, we exit immediat…
202 <a name="l00182"></a>00182 <span class="keywordflow">if</span>(len == 0) {
203 <a name="l00183"></a>00183 <a class="code" href="a00142.html#g905451249dca72ce0385bf2a9ff178ee"…
204 <a name="l00184"></a>00184 }
205 <a name="l00185"></a>00185
206 <a name="l00186"></a>00186 <span class="comment">/* Save the length of and a pointer to the data …
207 <a name="l00187"></a>00187 <span class="comment"> sent. */</span>
208 <a name="l00188"></a>00188 s->sendptr = buf;
209 <a name="l00189"></a>00189 s->sendlen = len;
210 <a name="l00190"></a>00190
211 <a name="l00191"></a>00191 s->state = STATE_NONE;
212 <a name="l00192"></a>00192
213 <a name="l00193"></a>00193 <span class="comment">/* We loop here until all data is sent. The s-&g…
214 <a name="l00194"></a>00194 <span class="comment"> updated by the data_sent() function. */</span>
215 <a name="l00195"></a>00195 <span class="keywordflow">while</span>(s->sendlen > 0) {
216 <a name="l00196"></a>00196
217 <a name="l00197"></a>00197 <span class="comment">/*</span>
218 <a name="l00198"></a>00198 <span class="comment"> * The condition for this PT_WAIT_UNTIL is a l…
219 <a name="l00199"></a>00199 <span class="comment"> * protothread will wait here until all data h…
220 <a name="l00200"></a>00200 <span class="comment"> * (data_acked() returns true) and until all d…
221 <a name="l00201"></a>00201 <span class="comment"> * (send_data() returns true). The two functio…
222 <a name="l00202"></a>00202 <span class="comment"> * send_data() must be called in succession to…
223 <a name="l00203"></a>00203 <span class="comment"> * data is sent. Therefore the & operator …
224 <a name="l00204"></a>00204 <span class="comment"> * && operator, which would cause only…
225 <a name="l00205"></a>00205 <span class="comment"> * to be called when it returns false.</span>
226 <a name="l00206"></a>00206 <span class="comment"> */</span>
227 <a name="l00207"></a>00207 <a class="code" href="a00142.html#g99e43010ec61327164466aa2d902de45"…
228 <a name="l00208"></a>00208 }
229 <a name="l00209"></a>00209
230 <a name="l00210"></a>00210 s->state = STATE_NONE;
231 <a name="l00211"></a>00211
232 <a name="l00212"></a>00212 <a class="code" href="a00142.html#g7b04a0035bef29d905496c23bae066d2">P…
233 <a name="l00213"></a>00213 }
234 <a name="l00214"></a>00214 <span class="comment">/*------------------------------------------------…
235 …a name="l00215"></a>00215 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_…
236 <a name="l00216"></a>00216 <span class="keywordtype">unsigned</span>…
237 <a name="l00217"></a>00217 {
238 <a name="l00218"></a>00218 <a class="code" href="a00142.html#g2ffbb9e554e08a343ae2f9de4bedfdfc">P…
239 <a name="l00219"></a>00219
240 <a name="l00220"></a>00220 <span class="comment">/* Ensure that there is a generator function to …
241 …a name="l00221"></a>00221 <span class="keywordflow">if</span>(generate == <a class="code" href="…
242 <a name="l00222"></a>00222 <a class="code" href="a00142.html#g905451249dca72ce0385bf2a9ff178ee"…
243 <a name="l00223"></a>00223 }
244 <a name="l00224"></a>00224
245 <a name="l00225"></a>00225 <span class="comment">/* Call the generator function to generate the d…
246 <a name="l00226"></a>00226 <span class="comment"> uip_appdata buffer. */</span>
247 <a name="l00227"></a>00227 s->sendlen = generate(arg);
248 <a name="l00228"></a>00228 s->sendptr = <a class="code" href="a00150.html#g561b8eda32e059d4e73…
249 <a name="l00229"></a>00229
250 <a name="l00230"></a>00230 s->state = STATE_NONE;
251 <a name="l00231"></a>00231 <span class="keywordflow">do</span> {
252 <a name="l00232"></a>00232 <span class="comment">/* Call the generator function again if we are…
253 <a name="l00233"></a>00233 <span class="comment"> retransmission. */</span>
254 <a name="l00234"></a>00234 <span class="keywordflow">if</span>(<a class="code" href="a00147.htm…
255 <a name="l00235"></a>00235 generate(arg);
256 <a name="l00236"></a>00236 }
257 <a name="l00237"></a>00237 <span class="comment">/* Wait until all data is sent and acknowledge…
258 <a name="l00238"></a>00238 <a class="code" href="a00142.html#g99e43010ec61327164466aa2d902de45"…
259 <a name="l00239"></a>00239 } <span class="keywordflow">while</span>(s->sendlen > 0);
260 <a name="l00240"></a>00240
261 <a name="l00241"></a>00241 s->state = STATE_NONE;
262 <a name="l00242"></a>00242
263 <a name="l00243"></a>00243 <a class="code" href="a00142.html#g7b04a0035bef29d905496c23bae066d2">P…
264 <a name="l00244"></a>00244 }
265 <a name="l00245"></a>00245 <span class="comment">/*------------------------------------------------…
266 <a name="l00246"></a>00246 <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16…
267 …a name="l00247"></a><a class="code" href="a00158.html#g3178402dd725776415bf9745e7bf92ba">00247</a>…
268 <a name="l00248"></a>00248 {
269 …a name="l00249"></a>00249 <span class="keywordflow">return</span> psock-><a class="code" href…
270 <a name="l00250"></a>00250 }
271 <a name="l00251"></a>00251 <span class="comment">/*------------------------------------------------…
272 <a name="l00252"></a>00252 <span class="keywordtype">char</span>
273 …a name="l00253"></a><a class="code" href="a00158.html#g3b19f65e48079d8105be2a99b5b4b2ae">00253</a>…
274 <a name="l00254"></a>00254 {
275 <a name="l00255"></a>00255 <span class="keywordflow">if</span>(s-><a class="code" href="a00082…
276 <a name="l00256"></a>00256 <span class="comment">/* There is data in the uip_appdata buffer tha…
277 <a name="l00257"></a>00257 <span class="comment"> read with the PSOCK_READ functions. */</spa…
278 <a name="l00258"></a>00258 <span class="keywordflow">return</span> 1;
279 …a name="l00259"></a>00259 } <span class="keywordflow">else</span> <span class="keywordflow">if</…
280 <a name="l00260"></a>00260 <span class="comment">/* All data in uip_appdata buffer already cons…
281 <a name="l00261"></a>00261 s-><a class="code" href="a00082.html#fda184638130452f3570966acc5b…
282 <a name="l00262"></a>00262 <span class="keywordflow">return</span> 0;
283 …a name="l00263"></a>00263 } <span class="keywordflow">else</span> <span class="keywordflow">if</…
284 <a name="l00264"></a>00264 <span class="comment">/* There is new data that has not been consume…
285 <a name="l00265"></a>00265 <span class="keywordflow">return</span> 1;
286 <a name="l00266"></a>00266 } <span class="keywordflow">else</span> {
287 <a name="l00267"></a>00267 <span class="comment">/* There is no new data. */</span>
288 <a name="l00268"></a>00268 <span class="keywordflow">return</span> 0;
289 <a name="l00269"></a>00269 }
290 <a name="l00270"></a>00270 }
291 <a name="l00271"></a>00271 <span class="comment">/*------------------------------------------------…
292 …a name="l00272"></a>00272 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_…
293 <a name="l00273"></a>00273 {
294 <a name="l00274"></a>00274 <a class="code" href="a00142.html#g2ffbb9e554e08a343ae2f9de4bedfdfc">P…
295 <a name="l00275"></a>00275
296 <a name="l00276"></a>00276 buf_setup(&psock->buf, psock->bufptr, psock->bufsize);
297 <a name="l00277"></a>00277
298 <a name="l00278"></a>00278 <span class="comment">/* XXX: Should add buf_checkmarker() before do{}…
299 <a name="l00279"></a>00279 <span class="comment"> incoming data has been handled while waiting …
300 <a name="l00280"></a>00280
301 <a name="l00281"></a>00281 <span class="keywordflow">do</span> {
302 <a name="l00282"></a>00282 <span class="keywordflow">if</span>(psock->readlen == 0) {
303 …a name="l00283"></a>00283 <a class="code" href="a00142.html#g99e43010ec61327164466aa2d902de4…
304 <a name="l00284"></a>00284 psock->state = STATE_READ;
305 …a name="l00285"></a>00285 psock->readptr = (<a class="code" href="a00153.html#g4caecabca9…
306 <a name="l00286"></a>00286 psock->readlen = <a class="code" href="a00147.html#g1a1bc437c09…
307 <a name="l00287"></a>00287 }
308 <a name="l00288"></a>00288 } <span class="keywordflow">while</span>((buf_bufto(&psock->buf…
309 <a name="l00289"></a>00289 &psock->readptr,
310 <a name="l00290"></a>00290 &psock->readlen) & BUF_FOUND) == 0);
311 <a name="l00291"></a>00291
312 <a name="l00292"></a>00292 <span class="keywordflow">if</span>(<a class="code" href="a00158.html#…
313 <a name="l00293"></a>00293 psock->state = STATE_NONE;
314 <a name="l00294"></a>00294 <a class="code" href="a00142.html#gcd3ac045f0a4ae63412e3b3d8780e8ab"…
315 <a name="l00295"></a>00295 }
316 <a name="l00296"></a>00296 <a class="code" href="a00142.html#g7b04a0035bef29d905496c23bae066d2">P…
317 <a name="l00297"></a>00297 }
318 <a name="l00298"></a>00298 <span class="comment">/*------------------------------------------------…
319 <a name="l00299"></a>00299 <a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_…
320 <a name="l00300"></a>00300 {
321 <a name="l00301"></a>00301 <a class="code" href="a00142.html#g2ffbb9e554e08a343ae2f9de4bedfdfc">P…
322 <a name="l00302"></a>00302
323 <a name="l00303"></a>00303 buf_setup(&psock->buf, psock->bufptr, psock->bufsize);
324 <a name="l00304"></a>00304
325 <a name="l00305"></a>00305 <span class="comment">/* XXX: Should add buf_checkmarker() before do{}…
326 <a name="l00306"></a>00306 <span class="comment"> incoming data has been handled while waiting …
327 <a name="l00307"></a>00307
328 <a name="l00308"></a>00308 <span class="keywordflow">do</span> {
329 <a name="l00309"></a>00309 <span class="keywordflow">if</span>(psock->readlen == 0) {
330 …a name="l00310"></a>00310 <a class="code" href="a00142.html#g99e43010ec61327164466aa2d902de4…
331 <a name="l00311"></a>00311 printf(<span class="stringliteral">"Waited for newdata\n"</span>);
332 <a name="l00312"></a>00312 psock->state = STATE_READ;
333 …a name="l00313"></a>00313 psock->readptr = (<a class="code" href="a00153.html#g4caecabca9…
334 <a name="l00314"></a>00314 psock->readlen = <a class="code" href="a00147.html#g1a1bc437c09…
335 <a name="l00315"></a>00315 }
336 <a name="l00316"></a>00316 } <span class="keywordflow">while</span>(buf_bufdata(&psock->bu…
337 <a name="l00317"></a>00317 &psock->readptr,
338 <a name="l00318"></a>00318 &psock->readlen) != BUF_FULL);
339 <a name="l00319"></a>00319
340 <a name="l00320"></a>00320 <span class="keywordflow">if</span>(<a class="code" href="a00158.html#…
341 <a name="l00321"></a>00321 psock->state = STATE_NONE;
342 <a name="l00322"></a>00322 <a class="code" href="a00142.html#gcd3ac045f0a4ae63412e3b3d8780e8ab"…
343 <a name="l00323"></a>00323 }
344 <a name="l00324"></a>00324 <a class="code" href="a00142.html#g7b04a0035bef29d905496c23bae066d2">P…
345 <a name="l00325"></a>00325 }
346 <a name="l00326"></a>00326 <span class="comment">/*------------------------------------------------…
347 <a name="l00327"></a>00327 <span class="keywordtype">void</span>
348 <a name="l00328"></a>00328 psock_init(<span class="keyword">register</span> <span class="keyword">s…
349 <a name="l00329"></a>00329 {
350 <a name="l00330"></a>00330 psock->state = STATE_NONE;
351 <a name="l00331"></a>00331 psock->readlen = 0;
352 <a name="l00332"></a>00332 psock->bufptr = buffer;
353 <a name="l00333"></a>00333 psock->bufsize = buffersize;
354 <a name="l00334"></a>00334 buf_setup(&psock->buf, buffer, buffersize);
355 <a name="l00335"></a>00335 <a class="code" href="a00142.html#ge6bae7dc0225468c8a5ac269df549892">P…
356 <a name="l00336"></a>00336 <a class="code" href="a00142.html#ge6bae7dc0225468c8a5ac269df549892">P…
357 <a name="l00337"></a>00337 }
358 <a name="l00338"></a>00338 <span class="comment">/*------------------------------------------------…
360 <a href="http://www.doxygen.org/index.html">
361 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>