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<a href="sessionset_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"> The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> License along with this library; if not, write to the Free Software</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef SESSIONSET_H</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#define SESSIONSET_H</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="rtpsession_8h.html">ortp/rtpsession.h</a>></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span>{</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#if !defined(_WIN32) && !defined(_WIN32_WCE)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="comment">/* UNIX */</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <sys/time.h></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <sys/types.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"> 41</span> <span class="preprocessor">#define ORTP_FD_SET(d, s) FD_SET(d, s)</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_CLR(d, s) FD_CLR(d, s)</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_ISSET(d, s) FD_ISSET(d, s)</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_ZERO(s) FD_ZERO(s)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">typedef</span> fd_set ortp_fd_set;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span><span class="comment">/* WIN32 */</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define ORTP_FD_ZERO(s) \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"> unsigned int __i; \</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> ortp_fd_set *__arr = (s); \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> for (__i = 0; __i < sizeof (ortp_fd_set) / sizeof (ortp__fd_mask); ++__i) \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> ORTP__FDS_BITS (__arr)[__i] = 0; \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> } while (0)</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_SET(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] |= ORTP__FDMASK(d))</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_CLR(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] &= ~ORTP__FDMASK(d))</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_ISSET(d, s) ((ORTP__FDS_BITS (s)[ORTP__FDELT(d)] & ORTP__FDMASK(d)) != 0)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">/* The fd_set member is required to be an array of longs. */</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">typedef</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ortp__fd_mask;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/* Number of bits per word of `fd_set' (some code assumes this is 32). */</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#define ORTP__FD_SETSIZE 1024</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#define ORTP__NFDBITS (8 * sizeof (ortp__fd_mask))</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP__FDELT(d) ((d) / ORTP__NFDBITS)</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"></span><span class="preprocessor">#define ORTP__FDMASK(d) ((ortp__fd_mask) 1 << ((d) % ORTP__NFDBITS))</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">/* fd_set for select and pselect. */</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  ortp__fd_mask fds_bits[ORTP__FD_SETSIZE / ORTP__NFDBITS];</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"># define ORTP__FDS_BITS(set) ((set)->fds_bits)</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"></span> } ortp_fd_set;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif </span><span class="comment">/*end WIN32*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="struct__SessionSet.html"> 88</a></span> <span class="keyword">struct </span><a class="code" href="struct__SessionSet.html">_SessionSet</a></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  ortp_fd_set rtpset;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> };</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__SessionSet.html">_SessionSet</a> <a class="code" href="struct__SessionSet.html">SessionSet</a>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#define session_set_init(ss) ORTP_FD_ZERO(&(ss)->rtpset)</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> ORTP_PUBLIC <a class="code" href="struct__SessionSet.html">SessionSet</a> * <a class="code" href="sessionset_8h.html#a52d07e670c2e9263c0cec96b84896c56">session_set_new</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="sessionset_8h.html#a6c2e5af222e014af8cd572cae29da5c5"> 104</a></span> <span class="preprocessor">#define session_set_set(ss,rtpsession) ORTP_FD_SET((rtpsession)->mask_pos,&(ss)->rtpset)</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="sessionset_8h.html#a9d100df1b61766039dd0d1625794d8f5"> 112</a></span> <span class="preprocessor">#define session_set_is_set(ss,rtpsession) ORTP_FD_ISSET((rtpsession)->mask_pos,&(ss)->rtpset)</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="sessionset_8h.html#a74b2d46bb4c18f418ca99dd5ec443502"> 121</a></span> <span class="preprocessor">#define session_set_clr(ss,rtpsession) ORTP_FD_CLR((rtpsession)->mask_pos,&(ss)->rtpset)</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#define session_set_copy(dest,src) memcpy(&(dest)->rtpset,&(src)->rtpset,sizeof(ortp_fd_set))</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> ORTP_PUBLIC <span class="keywordtype">void</span> <a class="code" href="sessionset_8h.html#af2408beeffc5506e97e2b7316fcedf23">session_set_destroy</a>(<a class="code" href="struct__SessionSet.html">SessionSet</a> *set);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> ORTP_PUBLIC <span class="keywordtype">int</span> <a class="code" href="sessionset_8h.html#aff4a4bb90789ce156d321c1307b1d919">session_set_select</a>(<a class="code" href="struct__SessionSet.html">SessionSet</a> *recvs, <a class="code" href="struct__SessionSet.html">SessionSet</a> *sends, <a class="code" href="struct__SessionSet.html">SessionSet</a> *errors);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> ORTP_PUBLIC <span class="keywordtype">int</span> session_set_timedselect(<a class="code" href="struct__SessionSet.html">SessionSet</a> *recvs, <a class="code" href="struct__SessionSet.html">SessionSet</a> *sends, <a class="code" href="struct__SessionSet.html">SessionSet</a> *errors, <span class="keyword">struct</span> timeval *timeout);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor"></span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="sessionset_8h_html_aff4a4bb90789ce156d321c1307b1d919"><div class="ttname"><a href="sessionset_8h.html#aff4a4bb90789ce156d321c1307b1d919">session_set_select</a></div><div class="ttdeci">ORTP_PUBLIC int session_set_select(SessionSet *recvs, SessionSet *sends, SessionSet *errors)</div><div class="ttdef"><b>Definition:</b> sessionset.c:113</div></div>
<div class="ttc" id="struct__SessionSet_html"><div class="ttname"><a href="struct__SessionSet.html">_SessionSet</a></div><div class="ttdef"><b>Definition:</b> sessionset.h:88</div></div>
<div class="ttc" id="rtpsession_8h_html"><div class="ttname"><a href="rtpsession_8h.html">rtpsession.h</a></div><div class="ttdoc">The RtpSession api. </div></div>
<div class="ttc" id="sessionset_8h_html_af2408beeffc5506e97e2b7316fcedf23"><div class="ttname"><a href="sessionset_8h.html#af2408beeffc5506e97e2b7316fcedf23">session_set_destroy</a></div><div class="ttdeci">ORTP_PUBLIC void session_set_destroy(SessionSet *set)</div><div class="ttdef"><b>Definition:</b> sessionset.c:43</div></div>
<div class="ttc" id="sessionset_8h_html_a52d07e670c2e9263c0cec96b84896c56"><div class="ttname"><a href="sessionset_8h.html#a52d07e670c2e9263c0cec96b84896c56">session_set_new</a></div><div class="ttdeci">ORTP_PUBLIC SessionSet * session_set_new(void)</div><div class="ttdef"><b>Definition:</b> sessionset.c:30</div></div>
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