summaryrefslogtreecommitdiff
path: root/doc/html/Packet_8cpp-source.htm
blob: 0d9ea2528d036f0b680125f9659b008e41fea454 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <title>SFML - Simple and Fast Multimedia Library</title>
        <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
        <link href="doxygen.css" rel="stylesheet" type="text/css" />
        <link href="tabs.css" rel="stylesheet" type="text/css" />
    </head>
    <body>
        <div id="logo">
            <img src="./logo.jpg" width="770" height="200" title="SFML home" alt="SFML logo" />
        </div>
<!-- Generated by Doxygen 1.5.8 -->
<div class="navigation" id="top">
  <div class="tabs">
    <ul>
      <li><a href="index.htm"><span>Main&nbsp;Page</span></a></li>
      <li><a href="namespaces.htm"><span>Namespaces</span></a></li>
      <li><a href="annotated.htm"><span>Classes</span></a></li>
      <li class="current"><a href="files.htm"><span>Files</span></a></li>
    </ul>
  </div>
  <div class="tabs">
    <ul>
      <li><a href="files.htm"><span>File&nbsp;List</span></a></li>
    </ul>
  </div>
<h1>Packet.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// SFML - Simple and Fast Multimedia Library</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is provided 'as-is', without any express or implied warranty.</span>
<a name="l00007"></a>00007 <span class="comment">// In no event will the authors be held liable for any damages arising from the use of this software.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Permission is granted to anyone to use this software for any purpose,</span>
<a name="l00010"></a>00010 <span class="comment">// including commercial applications, and to alter it and redistribute it freely,</span>
<a name="l00011"></a>00011 <span class="comment">// subject to the following restrictions:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// 1. The origin of this software must not be misrepresented;</span>
<a name="l00014"></a>00014 <span class="comment">//    you must not claim that you wrote the original software.</span>
<a name="l00015"></a>00015 <span class="comment">//    If you use this software in a product, an acknowledgment</span>
<a name="l00016"></a>00016 <span class="comment">//    in the product documentation would be appreciated but is not required.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// 2. Altered source versions must be plainly marked as such,</span>
<a name="l00019"></a>00019 <span class="comment">//    and must not be misrepresented as being the original software.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// 3. This notice may not be removed or altered from any source distribution.</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment">// Headers</span>
<a name="l00028"></a>00028 <span class="comment"></span><span class="preprocessor">#include &lt;SFML/Network/Packet.hpp&gt;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;SFML/Network/SocketHelper.hpp&gt;</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 
<a name="l00033"></a>00033 <span class="keyword">namespace </span>sf
<a name="l00034"></a>00034 {
<a name="l00038"></a><a class="code" href="classsf_1_1Packet.htm#786e5d4ced83992ceefa1799963ea858">00038</a> <a class="code" href="classsf_1_1Packet.htm#786e5d4ced83992ceefa1799963ea858" title="Default constructor.">Packet::Packet</a>() :
<a name="l00039"></a>00039 myReadPos(0),
<a name="l00040"></a>00040 myIsValid(true)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 
<a name="l00049"></a><a class="code" href="classsf_1_1Packet.htm#bd57f3b7a6e0e9119f4021754b5b19e5">00049</a> <a class="code" href="classsf_1_1Packet.htm#bd57f3b7a6e0e9119f4021754b5b19e5" title="Virtual destructor.">Packet::~Packet</a>()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053 
<a name="l00054"></a>00054 
<a name="l00058"></a><a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64">00058</a> <span class="keywordtype">void</span> <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Packet::Append</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* Data, std::size_t SizeInBytes)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060     <span class="keywordflow">if</span> (Data &amp;&amp; (SizeInBytes &gt; 0))
<a name="l00061"></a>00061     {
<a name="l00062"></a>00062         std::size_t Start = myData.size();
<a name="l00063"></a>00063         myData.resize(Start + SizeInBytes);
<a name="l00064"></a>00064         memcpy(&amp;myData[Start], Data, SizeInBytes);
<a name="l00065"></a>00065     }
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 
<a name="l00068"></a>00068 
<a name="l00072"></a><a class="code" href="classsf_1_1Packet.htm#3a7a30fb7a39e59df0cbd773756f60da">00072</a> <span class="keywordtype">void</span> <a class="code" href="classsf_1_1Packet.htm#3a7a30fb7a39e59df0cbd773756f60da" title="Clear the packet data.">Packet::Clear</a>()
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074     myData.clear();
<a name="l00075"></a>00075     myReadPos = 0;
<a name="l00076"></a>00076     myIsValid = <span class="keyword">true</span>;
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 
<a name="l00079"></a>00079 
<a name="l00085"></a><a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a">00085</a> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">Packet::GetData</a>()<span class="keyword"> const</span>
<a name="l00086"></a>00086 <span class="keyword"></span>{
<a name="l00087"></a>00087     <span class="keywordflow">return</span> !myData.empty() ? &amp;myData[0] : NULL;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 
<a name="l00090"></a>00090 
<a name="l00094"></a><a class="code" href="classsf_1_1Packet.htm#4e6fcdc0ff42ad45b33cea22be253b0d">00094</a> std::size_t <a class="code" href="classsf_1_1Packet.htm#4e6fcdc0ff42ad45b33cea22be253b0d" title="Get the size of the data contained in the packet.">Packet::GetDataSize</a>()<span class="keyword"> const</span>
<a name="l00095"></a>00095 <span class="keyword"></span>{
<a name="l00096"></a>00096     <span class="keywordflow">return</span> myData.size();
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 
<a name="l00099"></a>00099 
<a name="l00103"></a><a class="code" href="classsf_1_1Packet.htm#8d587905fb63e62419f1cc338eceed36">00103</a> <span class="keywordtype">bool</span> <a class="code" href="classsf_1_1Packet.htm#8d587905fb63e62419f1cc338eceed36" title="Tell if the reading position has reached the end of the packet.">Packet::EndOfPacket</a>()<span class="keyword"> const</span>
<a name="l00104"></a>00104 <span class="keyword"></span>{
<a name="l00105"></a>00105     <span class="keywordflow">return</span> myReadPos &gt;= myData.size();
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 
<a name="l00108"></a>00108 
<a name="l00112"></a><a class="code" href="classsf_1_1Packet.htm#087ae98bb7e93f8c82b29b88aee2f8d6">00112</a> <a class="code" href="classsf_1_1Packet.htm#087ae98bb7e93f8c82b29b88aee2f8d6" title="Return the validity of packet.">Packet::operator bool</a>()<span class="keyword"> const</span>
<a name="l00113"></a>00113 <span class="keyword"></span>{
<a name="l00114"></a>00114     <span class="keywordflow">return</span> myIsValid;
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 
<a name="l00117"></a>00117 
<a name="l00121"></a><a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16">00121</a> <a class="code" href="classsf_1_1Packet.htm" title="Packet wraps data to send / to receive through the network.">Packet</a>&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(<span class="keywordtype">bool</span>&amp; Data)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123     Uint8 Value;
<a name="l00124"></a>00124     <span class="keywordflow">if</span> (*<span class="keyword">this</span> &gt;&gt; Value)
<a name="l00125"></a>00125         Data = (Value != 0);
<a name="l00126"></a>00126 
<a name="l00127"></a>00127     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129 <a class="code" href="classsf_1_1Packet.htm" title="Packet wraps data to send / to receive through the network.">Packet</a>&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(Int8&amp; Data)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00132"></a>00132     {
<a name="l00133"></a>00133         Data = *<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span>Int8*<span class="keyword">&gt;</span>(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos);
<a name="l00134"></a>00134         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00135"></a>00135     }
<a name="l00136"></a>00136 
<a name="l00137"></a>00137     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(Uint8&amp; Data)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00142"></a>00142     {
<a name="l00143"></a>00143         Data = *<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span>Uint8*<span class="keyword">&gt;</span>(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos);
<a name="l00144"></a>00144         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00145"></a>00145     }
<a name="l00146"></a>00146 
<a name="l00147"></a>00147     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(Int16&amp; Data)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00152"></a>00152     {
<a name="l00153"></a>00153         Data = ntohs(*reinterpret_cast&lt;const Int16*&gt;(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos));
<a name="l00154"></a>00154         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00155"></a>00155     }
<a name="l00156"></a>00156 
<a name="l00157"></a>00157     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(Uint16&amp; Data)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00162"></a>00162     {
<a name="l00163"></a>00163         Data = ntohs(*reinterpret_cast&lt;const Uint16*&gt;(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos));
<a name="l00164"></a>00164         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00165"></a>00165     }
<a name="l00166"></a>00166 
<a name="l00167"></a>00167     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(Int32&amp; Data)
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00172"></a>00172     {
<a name="l00173"></a>00173         Data = ntohl(*reinterpret_cast&lt;const Int32*&gt;(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos));
<a name="l00174"></a>00174         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00175"></a>00175     }
<a name="l00176"></a>00176 
<a name="l00177"></a>00177     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(Uint32&amp; Data)
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00182"></a>00182     {
<a name="l00183"></a>00183         Data = ntohl(*reinterpret_cast&lt;const Uint32*&gt;(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos));
<a name="l00184"></a>00184         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00185"></a>00185     }
<a name="l00186"></a>00186 
<a name="l00187"></a>00187     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(<span class="keywordtype">float</span>&amp; Data)
<a name="l00190"></a>00190 {
<a name="l00191"></a>00191     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00192"></a>00192     {
<a name="l00193"></a>00193         Data = *<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">float</span>*<span class="keyword">&gt;</span>(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos);
<a name="l00194"></a>00194         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00195"></a>00195     }
<a name="l00196"></a>00196 
<a name="l00197"></a>00197     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(<span class="keywordtype">double</span>&amp; Data)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201     <span class="keywordflow">if</span> (CheckSize(<span class="keyword">sizeof</span>(Data)))
<a name="l00202"></a>00202     {
<a name="l00203"></a>00203         Data = *<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">double</span>*<span class="keyword">&gt;</span>(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos);
<a name="l00204"></a>00204         myReadPos += <span class="keyword">sizeof</span>(Data);
<a name="l00205"></a>00205     }
<a name="l00206"></a>00206 
<a name="l00207"></a>00207     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(<span class="keywordtype">char</span>* Data)
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211     <span class="comment">// First extract string length</span>
<a name="l00212"></a>00212     Uint32 Length;
<a name="l00213"></a>00213     *<span class="keyword">this</span> &gt;&gt; Length;
<a name="l00214"></a>00214 
<a name="l00215"></a>00215     <span class="keywordflow">if</span> ((Length &gt; 0) &amp;&amp; CheckSize(Length))
<a name="l00216"></a>00216     {
<a name="l00217"></a>00217         <span class="comment">// Then extract characters</span>
<a name="l00218"></a>00218         memcpy(Data, <a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos, Length);
<a name="l00219"></a>00219         Data[Length] = <span class="charliteral">'\0'</span>;
<a name="l00220"></a>00220 
<a name="l00221"></a>00221         <span class="comment">// Update reading position</span>
<a name="l00222"></a>00222         myReadPos += Length;
<a name="l00223"></a>00223     }
<a name="l00224"></a>00224 
<a name="l00225"></a>00225     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(std::string&amp; Data)
<a name="l00228"></a>00228 {
<a name="l00229"></a>00229     <span class="comment">// First extract string length</span>
<a name="l00230"></a>00230     Uint32 Length;
<a name="l00231"></a>00231     *<span class="keyword">this</span> &gt;&gt; Length;
<a name="l00232"></a>00232 
<a name="l00233"></a>00233     Data.clear();
<a name="l00234"></a>00234     <span class="keywordflow">if</span> ((Length &gt; 0) &amp;&amp; CheckSize(Length))
<a name="l00235"></a>00235     {
<a name="l00236"></a>00236         <span class="comment">// Then extract characters</span>
<a name="l00237"></a>00237         Data.assign(<a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>() + myReadPos, Length);
<a name="l00238"></a>00238 
<a name="l00239"></a>00239         <span class="comment">// Update reading position</span>
<a name="l00240"></a>00240         myReadPos += Length;
<a name="l00241"></a>00241     }
<a name="l00242"></a>00242 
<a name="l00243"></a>00243     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(<span class="keywordtype">wchar_t</span>* Data)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247     <span class="comment">// First extract string length</span>
<a name="l00248"></a>00248     Uint32 Length;
<a name="l00249"></a>00249     *<span class="keyword">this</span> &gt;&gt; Length;
<a name="l00250"></a>00250 
<a name="l00251"></a>00251     <span class="keywordflow">if</span> ((Length &gt; 0) &amp;&amp; CheckSize(Length * <span class="keyword">sizeof</span>(Int32)))
<a name="l00252"></a>00252     {
<a name="l00253"></a>00253         <span class="comment">// Then extract characters</span>
<a name="l00254"></a>00254         <span class="keywordflow">for</span> (Uint32 i = 0; i &lt; Length; ++i)
<a name="l00255"></a>00255         {
<a name="l00256"></a>00256             Uint32 c;
<a name="l00257"></a>00257             *<span class="keyword">this</span> &gt;&gt; c;
<a name="l00258"></a>00258             Data[i] = <span class="keyword">static_cast&lt;</span><span class="keywordtype">wchar_t</span><span class="keyword">&gt;</span>(c);
<a name="l00259"></a>00259         }
<a name="l00260"></a>00260         Data[Length] = L<span class="charliteral">'\0'</span>;
<a name="l00261"></a>00261     }
<a name="l00262"></a>00262 
<a name="l00263"></a>00263     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#8dfd4b8767cfd705a71d79b76d12ee16" title="Operator &amp;gt;&amp;gt; overloads to extract data from the packet.">Packet::operator &gt;&gt;</a>(std::wstring&amp; Data)
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267     <span class="comment">// First extract string length</span>
<a name="l00268"></a>00268     Uint32 Length;
<a name="l00269"></a>00269     *<span class="keyword">this</span> &gt;&gt; Length;
<a name="l00270"></a>00270 
<a name="l00271"></a>00271     Data.clear();
<a name="l00272"></a>00272     <span class="keywordflow">if</span> ((Length &gt; 0) &amp;&amp; CheckSize(Length * <span class="keyword">sizeof</span>(Int32)))
<a name="l00273"></a>00273     {
<a name="l00274"></a>00274         <span class="comment">// Then extract characters</span>
<a name="l00275"></a>00275         <span class="keywordflow">for</span> (Uint32 i = 0; i &lt; Length; ++i)
<a name="l00276"></a>00276         {
<a name="l00277"></a>00277             Uint32 c;
<a name="l00278"></a>00278             *<span class="keyword">this</span> &gt;&gt; c;
<a name="l00279"></a>00279             Data += <span class="keyword">static_cast&lt;</span><span class="keywordtype">wchar_t</span><span class="keyword">&gt;</span>(c);
<a name="l00280"></a>00280         }
<a name="l00281"></a>00281     }
<a name="l00282"></a>00282 
<a name="l00283"></a>00283     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 
<a name="l00286"></a>00286 
<a name="l00290"></a><a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550">00290</a> <a class="code" href="classsf_1_1Packet.htm" title="Packet wraps data to send / to receive through the network.">Packet</a>&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(<span class="keywordtype">bool</span> Data)
<a name="l00291"></a>00291 {
<a name="l00292"></a>00292     *this &lt;&lt; static_cast&lt;Uint8&gt;(Data);
<a name="l00293"></a>00293     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295 <a class="code" href="classsf_1_1Packet.htm" title="Packet wraps data to send / to receive through the network.">Packet</a>&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(Int8 Data)
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;Data, <span class="keyword">sizeof</span>(Data));
<a name="l00298"></a>00298     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(Uint8 Data)
<a name="l00301"></a>00301 {
<a name="l00302"></a>00302     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;Data, <span class="keyword">sizeof</span>(Data));
<a name="l00303"></a>00303     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(Int16 Data)
<a name="l00306"></a>00306 {
<a name="l00307"></a>00307     Int16 ToWrite = htons(Data);
<a name="l00308"></a>00308     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;ToWrite, <span class="keyword">sizeof</span>(ToWrite));
<a name="l00309"></a>00309     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(Uint16 Data)
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313     Uint16 ToWrite = htons(Data);
<a name="l00314"></a>00314     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;ToWrite, <span class="keyword">sizeof</span>(ToWrite));
<a name="l00315"></a>00315     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(Int32 Data)
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319     Int32 ToWrite = htonl(Data);
<a name="l00320"></a>00320     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;ToWrite, <span class="keyword">sizeof</span>(ToWrite));
<a name="l00321"></a>00321     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(Uint32 Data)
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325     Uint32 ToWrite = htonl(Data);
<a name="l00326"></a>00326     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;ToWrite, <span class="keyword">sizeof</span>(ToWrite));
<a name="l00327"></a>00327     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(<span class="keywordtype">float</span> Data)
<a name="l00330"></a>00330 {
<a name="l00331"></a>00331     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;Data, <span class="keyword">sizeof</span>(Data));
<a name="l00332"></a>00332     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(<span class="keywordtype">double</span> Data)
<a name="l00335"></a>00335 {
<a name="l00336"></a>00336     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(&amp;Data, <span class="keyword">sizeof</span>(Data));
<a name="l00337"></a>00337     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* Data)
<a name="l00340"></a>00340 {
<a name="l00341"></a>00341     <span class="comment">// First insert string length</span>
<a name="l00342"></a>00342     Uint32 Length = 0;
<a name="l00343"></a>00343     <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">char</span>* c = Data; *c != <span class="charliteral">'\0'</span>; ++c)
<a name="l00344"></a>00344         ++Length;
<a name="l00345"></a>00345     *<span class="keyword">this</span> &lt;&lt; Length;
<a name="l00346"></a>00346 
<a name="l00347"></a>00347     <span class="comment">// Then insert characters</span>
<a name="l00348"></a>00348     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(Data, Length * <span class="keyword">sizeof</span>(<span class="keywordtype">char</span>));
<a name="l00349"></a>00349 
<a name="l00350"></a>00350     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(<span class="keyword">const</span> std::string&amp; Data)
<a name="l00353"></a>00353 {
<a name="l00354"></a>00354     <span class="comment">// First insert string length</span>
<a name="l00355"></a>00355     Uint32 Length = <span class="keyword">static_cast&lt;</span>Uint32<span class="keyword">&gt;</span>(Data.size());
<a name="l00356"></a>00356     *<span class="keyword">this</span> &lt;&lt; Length;
<a name="l00357"></a>00357 
<a name="l00358"></a>00358     <span class="comment">// Then insert characters</span>
<a name="l00359"></a>00359     <span class="keywordflow">if</span> (Length &gt; 0)
<a name="l00360"></a>00360     {
<a name="l00361"></a>00361         <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(Data.c_str(), Length * <span class="keyword">sizeof</span>(std::string::value_type));
<a name="l00362"></a>00362     }
<a name="l00363"></a>00363 
<a name="l00364"></a>00364     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* Data)
<a name="l00367"></a>00367 {
<a name="l00368"></a>00368     <span class="comment">// First insert string length</span>
<a name="l00369"></a>00369     Uint32 Length = 0;
<a name="l00370"></a>00370     <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* c = Data; *c != L<span class="charliteral">'\0'</span>; ++c)
<a name="l00371"></a>00371         ++Length;
<a name="l00372"></a>00372     *<span class="keyword">this</span> &lt;&lt; Length;
<a name="l00373"></a>00373 
<a name="l00374"></a>00374     <span class="comment">// Then insert characters</span>
<a name="l00375"></a>00375     <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* c = Data; *c != L<span class="charliteral">'\0'</span>; ++c)
<a name="l00376"></a>00376         *<span class="keyword">this</span> &lt;&lt; static_cast&lt;Int32&gt;(*c);
<a name="l00377"></a>00377 
<a name="l00378"></a>00378     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380 Packet&amp; <a class="code" href="classsf_1_1Packet.htm#63d813d3e0e7f8438ad15a0130b4f550" title="Operator &amp;lt;&amp;lt; overloads to put data into the packet.">Packet::operator &lt;&lt;</a>(<span class="keyword">const</span> std::wstring&amp; Data)
<a name="l00381"></a>00381 {
<a name="l00382"></a>00382     <span class="comment">// First insert string length</span>
<a name="l00383"></a>00383     Uint32 Length = <span class="keyword">static_cast&lt;</span>Uint32<span class="keyword">&gt;</span>(Data.size());
<a name="l00384"></a>00384     *<span class="keyword">this</span> &lt;&lt; Length;
<a name="l00385"></a>00385 
<a name="l00386"></a>00386     <span class="comment">// Then insert characters</span>
<a name="l00387"></a>00387     <span class="keywordflow">if</span> (Length &gt; 0)
<a name="l00388"></a>00388     {
<a name="l00389"></a>00389         <span class="keywordflow">for</span> (std::wstring::const_iterator c = Data.begin(); c != Data.end(); ++c)
<a name="l00390"></a>00390             *<span class="keyword">this</span> &lt;&lt; static_cast&lt;Int32&gt;(*c);
<a name="l00391"></a>00391     }
<a name="l00392"></a>00392 
<a name="l00393"></a>00393     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395 
<a name="l00396"></a>00396 
<a name="l00400"></a>00400 <span class="keywordtype">bool</span> Packet::CheckSize(std::size_t Size)
<a name="l00401"></a>00401 {
<a name="l00402"></a>00402     myIsValid = myIsValid &amp;&amp; (myReadPos + Size &lt;= myData.size());
<a name="l00403"></a>00403 
<a name="l00404"></a>00404     <span class="keywordflow">return</span> myIsValid;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406 
<a name="l00407"></a>00407 
<a name="l00411"></a>00411 <span class="keyword">const</span> <span class="keywordtype">char</span>* Packet::OnSend(std::size_t&amp; DataSize)
<a name="l00412"></a>00412 {
<a name="l00413"></a>00413     DataSize = <a class="code" href="classsf_1_1Packet.htm#4e6fcdc0ff42ad45b33cea22be253b0d" title="Get the size of the data contained in the packet.">GetDataSize</a>();
<a name="l00414"></a>00414     <span class="keywordflow">return</span> <a class="code" href="classsf_1_1Packet.htm#78286172beef1f89bd2a77edb7118c7a" title="Get a pointer to the data contained in the packet Warning : the returned pointer...">GetData</a>();
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416 
<a name="l00417"></a>00417 
<a name="l00421"></a>00421 <span class="keywordtype">void</span> Packet::OnReceive(<span class="keyword">const</span> <span class="keywordtype">char</span>* Data, std::size_t DataSize)
<a name="l00422"></a>00422 {
<a name="l00423"></a>00423     <a class="code" href="classsf_1_1Packet.htm#aaa020852bd7be75625b9f64b3a77c64" title="Append data to the end of the packet.">Append</a>(Data, DataSize);
<a name="l00424"></a>00424 }
<a name="l00425"></a>00425 
<a name="l00426"></a>00426 } <span class="comment">// namespace sf</span>
</pre></div></div>

        <p id="footer">
            &nbsp;::&nbsp; Copyright &copy; 2007-2008 Laurent Gomila, all rights reserved &nbsp;::&nbsp;
            Documentation generated by <a href="http://www.doxygen.org/" title="doxygen website">doxygen 1.5.2</a> &nbsp;::&nbsp;
        </p>

    </body>
</html>