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| <div class="title">socket.h</div> </div> |
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| <a href="socket_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2013 Glyptodon LLC</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to deal</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * in the Software without restriction, including without limitation the rights</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * copies of the Software, and to permit persons to whom the Software is</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * all copies or substantial portions of the Software.</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * THE SOFTWARE.</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef _GUAC_SOCKET_H</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define _GUAC_SOCKET_H</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="socket-constants_8h.html" title="Constants related to the guac_socket object.">socket-constants.h</a>"</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="socket-fntypes_8h.html" title="Function type definitions related to the guac_socket object.">socket-fntypes.h</a>"</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="socket-types_8h.html" title="Type definitions related to the guac_socket object.">socket-types.h</a>"</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="timestamp-types_8h.html" title="Type definitions related to Guacamole protocol timestamps.">timestamp-types.h</a>"</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <pthread.h></span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <stdint.h></span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <unistd.h></span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="structguac__socket.html"> 41</a></span> <span class="keyword">struct </span><a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a> {</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="structguac__socket.html#ac8340e5627b43138bb50aac6c4368c0d"> 46</a></span>  <span class="keywordtype">void</span>* <a class="code" href="structguac__socket.html#ac8340e5627b43138bb50aac6c4368c0d" title="Arbitrary socket-specific data.">data</a>;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="structguac__socket.html#a10042a8e591737aec8d4db5a3423b250"> 51</a></span>  <a class="code" href="socket-fntypes_8h.html#a75396c8cb7b0ba91102fcd447a1eb36b" title="Generic read handler for socket read operations, modeled after the standard POSIX read() function...">guac_socket_read_handler</a>* <a class="code" href="structguac__socket.html#a10042a8e591737aec8d4db5a3423b250" title="Handler which will be called when data needs to be read from the socket.">read_handler</a>;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="structguac__socket.html#a0f5f24200b0dad4ef1443b863d1bfc7d"> 58</a></span>  <a class="code" href="socket-fntypes_8h.html#a7198af0a6bbac52794eb248c81d90c6a" title="Generic write handler for socket write operations, modeled after the standard POSIX write() function...">guac_socket_write_handler</a>* <a class="code" href="structguac__socket.html#a0f5f24200b0dad4ef1443b863d1bfc7d" title="Handler which will be called whenever data is written to this socket.">write_handler</a>;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> |
| <div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="structguac__socket.html#ad29e7f8a6819ca7bb541e8a947d5bc4f"> 64</a></span>  <a class="code" href="socket-fntypes_8h.html#a934350207615e0e2066954f9484153f8" title="Generic handler for socket select operations, similar to the POSIX select() function.">guac_socket_select_handler</a>* <a class="code" href="structguac__socket.html#ad29e7f8a6819ca7bb541e8a947d5bc4f" title="Handler which will be called whenever guac_socket_select is invoked on this socket.">select_handler</a>;</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="structguac__socket.html#a1044cde496cfe11c914c623dc1e29678"> 69</a></span>  <a class="code" href="socket-fntypes_8h.html#a9700a8ba2011d6e6ce13e3e6c6397fc2" title="Generic handler for the closing of a socket, modeled after the standard POSIX close() function...">guac_socket_free_handler</a>* <a class="code" href="structguac__socket.html#a1044cde496cfe11c914c623dc1e29678" title="Handler which will be called when the socket is free'd (closed).">free_handler</a>;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> |
| <div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="structguac__socket.html#ac2d5236c7e570dfee207511241edaa9b"> 74</a></span>  <a class="code" href="socket-types_8h.html#a0ac0c0cd123b57d8aba5e6ec6fd20939" title="Possible current states of a guac_socket.">guac_socket_state</a> <a class="code" href="structguac__socket.html#ac2d5236c7e570dfee207511241edaa9b" title="The current state of this guac_socket.">state</a>;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> |
| <div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="structguac__socket.html#adf00e9c13ff3808fceb4c71c1172fb51"> 80</a></span>  <a class="code" href="timestamp-types_8h.html#a69e916d1ff324fbe0e527f32359c9cea" title="An arbitrary timestamp denoting a relative time value in milliseconds.">guac_timestamp</a> <a class="code" href="structguac__socket.html#adf00e9c13ff3808fceb4c71c1172fb51" title="The timestamp associated with the time the last block of data was written to this guac_socket...">last_write_timestamp</a>;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">int</span> __ready;</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> __ready_buf[3];</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">int</span> __written;</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">char</span> __out_buf[<a class="code" href="socket-constants_8h.html#af93053e27466c566624301d7b32a68c3" title="The number of bytes to buffer within each socket before flushing.">GUAC_SOCKET_OUTPUT_BUFFER_SIZE</a>];</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">char</span>* __instructionbuf_unparsed_start;</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">char</span>* __instructionbuf_unparsed_end;</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">char</span> __instructionbuf[32768];</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> __threadsafe_instructions;</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  pthread_mutex_t __instruction_write_lock;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  pthread_mutex_t __buffer_lock;</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">int</span> __keep_alive_enabled;</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  pthread_t __keep_alive_thread;</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> };</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* <a class="code" href="socket_8h.html#a7e5859b812923b894779f59353fdadb4" title="Allocates a new, completely blank guac_socket.">guac_socket_alloc</a>();</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">void</span> <a class="code" href="socket_8h.html#a376df8efcc02a7104504f104433884ed" title="Frees the given guac_socket and all associated resources.">guac_socket_free</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keywordtype">void</span> <a class="code" href="socket_8h.html#aeb3104545c207780ea6419e22a9afacd" title="Declares that the given socket must behave in a threadsafe way.">guac_socket_require_threadsafe</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keywordtype">void</span> <a class="code" href="socket_8h.html#a1d8c5111a8234c7785ae23f379f7db03" title="Declares that the given socket must automatically send a keep-alive ping to ensure neither side of th...">guac_socket_require_keep_alive</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keywordtype">void</span> <a class="code" href="socket_8h.html#a00c8f00ab54c42e42c9f489caf5478b1" title="Marks the beginning of a Guacamole protocol instruction.">guac_socket_instruction_begin</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keywordtype">void</span> <a class="code" href="socket_8h.html#a603c23b24e2e2e95eeb2ce08d8115e94" title="Marks the end of a Guacamole protocol instruction.">guac_socket_instruction_end</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keywordtype">void</span> <a class="code" href="socket_8h.html#ab66a1297bd3cba594e8a3236bfe79d0b" title="Marks the beginning of a socket's buffer modification.">guac_socket_update_buffer_begin</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">void</span> <a class="code" href="socket_8h.html#a6f6906ebb9a3fdb77ea9516071dcbfc7" title="Marks the end of a socket's buffer modification.">guac_socket_update_buffer_end</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* <a class="code" href="socket_8h.html#a076f62b9b6082260462e18ca77c64e7a" title="Allocates and initializes a new guac_socket object with the given open file descriptor.">guac_socket_open</a>(<span class="keywordtype">int</span> fd);</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* <a class="code" href="socket_8h.html#af23ab23c93eb09eac0e15a87f5690bda" title="Allocates and initializes a new guac_socket which writes all data via nest instructions to the given ...">guac_socket_nest</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* parent, <span class="keywordtype">int</span> index);</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> ssize_t <a class="code" href="socket_8h.html#a57a963e37377de2104c2d785980ff400" title="Writes the given unsigned int to the given guac_socket object.">guac_socket_write_int</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket, int64_t i);</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span> ssize_t <a class="code" href="socket_8h.html#ad0cb48c7896361b522ae5a222a3b5efc" title="Writes the given string to the given guac_socket object.">guac_socket_write_string</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket, <span class="keyword">const</span> <span class="keywordtype">char</span>* str);</div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span> ssize_t <a class="code" href="socket_8h.html#ac7ec68bc42436ba316805718c292c510" title="Writes the given binary data to the given guac_socket object as base64- encoded data.">guac_socket_write_base64</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket, <span class="keyword">const</span> <span class="keywordtype">void</span>* buf, <span class="keywordtype">size_t</span> count);</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span> ssize_t <a class="code" href="socket_8h.html#adb6eb960de27526bc96e1f9af797e2c4" title="Writes the given data to the specified socket.">guac_socket_write</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket, <span class="keyword">const</span> <span class="keywordtype">void</span>* buf, <span class="keywordtype">size_t</span> count);</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span> ssize_t <a class="code" href="socket_8h.html#af5d6846212d792c5bce7f8a4fd46cd31" title="Attempts to read data from the socket, filling up to the specified number of bytes in the given buffe...">guac_socket_read</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket, <span class="keywordtype">void</span>* buf, <span class="keywordtype">size_t</span> count);</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span> ssize_t <a class="code" href="socket_8h.html#a09d5f60d75c57640a4c483d42445c1ab" title="Flushes the base64 buffer, writing padding characters as necessary.">guac_socket_flush_base64</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span> ssize_t <a class="code" href="socket_8h.html#ababc834d5812e006b55a79da417bfe12" title="Flushes the write buffer.">guac_socket_flush</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket);</div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="keywordtype">int</span> <a class="code" href="socket_8h.html#a41b0d7a25ccda3d0ae20143880cf53b7" title="Waits for input to be available on the given guac_socket object until the specified timeout elapses...">guac_socket_select</a>(<a class="code" href="structguac__socket.html" title="The core I/O object of Guacamole.">guac_socket</a>* socket, <span class="keywordtype">int</span> usec_timeout);</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="preprocessor"></span></div> |
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