<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>oRTP: include/ortp/sessionset.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.1 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> <h1>include/ortp/sessionset.h</h1><a href="sessionset_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.</span> <a name="l00003"></a>00003 <span class="comment"> Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org</span> <a name="l00004"></a>00004 <span class="comment"></span> <a name="l00005"></a>00005 <span class="comment"> This library is free software; you can redistribute it and/or</span> <a name="l00006"></a>00006 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span> <a name="l00007"></a>00007 <span class="comment"> License as published by the Free Software Foundation; either</span> <a name="l00008"></a>00008 <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span> <a name="l00009"></a>00009 <span class="comment"></span> <a name="l00010"></a>00010 <span class="comment"> This library is distributed in the hope that it will be useful,</span> <a name="l00011"></a>00011 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00012"></a>00012 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span> <a name="l00013"></a>00013 <span class="comment"> Lesser General Public License for more details.</span> <a name="l00014"></a>00014 <span class="comment"></span> <a name="l00015"></a>00015 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span> <a name="l00016"></a>00016 <span class="comment"> License along with this library; if not, write to the Free Software</span> <a name="l00017"></a>00017 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span> <a name="l00018"></a>00018 <span class="comment">*/</span> <a name="l00024"></a>00024 <span class="preprocessor">#ifndef SESSIONSET_H</span> <a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define SESSIONSET_H</span> <a name="l00026"></a>00026 <span class="preprocessor"></span> <a name="l00027"></a>00027 <a name="l00028"></a>00028 <span class="preprocessor">#include <<a class="code" href="rtpsession_8h.html" title="The RtpSession api.">ortp/rtpsession.h</a>></span> <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="preprocessor">#ifdef __cplusplus</span> <a name="l00031"></a>00031 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span>{ <a name="l00032"></a>00032 <span class="preprocessor">#endif</span> <a name="l00033"></a>00033 <span class="preprocessor"></span> <a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="preprocessor">#if !defined(_WIN32) && !defined(_WIN32_WCE)</span> <a name="l00036"></a>00036 <span class="preprocessor"></span><span class="comment">/* UNIX */</span> <a name="l00037"></a>00037 <span class="preprocessor">#include <sys/time.h></span> <a name="l00038"></a>00038 <span class="preprocessor">#include <sys/types.h></span> <a name="l00039"></a>00039 <span class="preprocessor">#include <unistd.h></span> <a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="preprocessor">#define ORTP_FD_SET(d, s) FD_SET(d, s)</span> <a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_CLR(d, s) FD_CLR(d, s)</span> <a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_ISSET(d, s) FD_ISSET(d, s)</span> <a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_ZERO(s) FD_ZERO(s)</span> <a name="l00045"></a>00045 <span class="preprocessor"></span> <a name="l00046"></a>00046 <span class="keyword">typedef</span> fd_set ortp_fd_set; <a name="l00047"></a>00047 <a name="l00048"></a>00048 <a name="l00049"></a>00049 <span class="preprocessor">#else</span> <a name="l00050"></a>00050 <span class="preprocessor"></span><span class="comment">/* WIN32 */</span> <a name="l00051"></a>00051 <a name="l00052"></a>00052 <span class="preprocessor">#define ORTP_FD_ZERO(s) \</span> <a name="l00053"></a>00053 <span class="preprocessor"> do { \</span> <a name="l00054"></a>00054 <span class="preprocessor"> unsigned int __i; \</span> <a name="l00055"></a>00055 <span class="preprocessor"> ortp_fd_set *__arr = (s); \</span> <a name="l00056"></a>00056 <span class="preprocessor"> for (__i = 0; __i < sizeof (ortp_fd_set) / sizeof (ortp__fd_mask); ++__i) \</span> <a name="l00057"></a>00057 <span class="preprocessor"> ORTP__FDS_BITS (__arr)[__i] = 0; \</span> <a name="l00058"></a>00058 <span class="preprocessor"> } while (0)</span> <a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_SET(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] |= ORTP__FDMASK(d))</span> <a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#define ORTP_FD_CLR(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] &= ~ORTP__FDMASK(d))</span> <a name="l00061"></a>00061 <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> <a name="l00062"></a>00062 <span class="preprocessor"></span> <a name="l00063"></a>00063 <a name="l00064"></a>00064 <a name="l00065"></a>00065 <span class="comment">/* The fd_set member is required to be an array of longs. */</span> <a name="l00066"></a>00066 <span class="keyword">typedef</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ortp__fd_mask; <a name="l00067"></a>00067 <a name="l00068"></a>00068 <a name="l00069"></a>00069 <span class="comment">/* Number of bits per word of `fd_set' (some code assumes this is 32). */</span> <a name="l00070"></a>00070 <span class="preprocessor">#define ORTP__FD_SETSIZE 1024</span> <a name="l00071"></a>00071 <span class="preprocessor"></span> <a name="l00072"></a>00072 <span class="comment">/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */</span> <a name="l00073"></a>00073 <span class="preprocessor">#define ORTP__NFDBITS (8 * sizeof (ortp__fd_mask))</span> <a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#define ORTP__FDELT(d) ((d) / ORTP__NFDBITS)</span> <a name="l00075"></a>00075 <span class="preprocessor"></span><span class="preprocessor">#define ORTP__FDMASK(d) ((ortp__fd_mask) 1 << ((d) % ORTP__NFDBITS))</span> <a name="l00076"></a>00076 <span class="preprocessor"></span> <a name="l00077"></a>00077 <a name="l00078"></a>00078 <span class="comment">/* fd_set for select and pselect. */</span> <a name="l00079"></a>00079 <span class="keyword">typedef</span> <span class="keyword">struct</span> <a name="l00080"></a>00080 { <a name="l00081"></a>00081 ortp__fd_mask fds_bits[ORTP__FD_SETSIZE / ORTP__NFDBITS]; <a name="l00082"></a>00082 <span class="preprocessor"># define ORTP__FDS_BITS(set) ((set)->fds_bits)</span> <a name="l00083"></a>00083 <span class="preprocessor"></span> } ortp_fd_set; <a name="l00084"></a>00084 <a name="l00085"></a>00085 <a name="l00086"></a>00086 <span class="preprocessor">#endif </span><span class="comment">/*end WIN32*/</span> <a name="l00087"></a>00087 <a name="l00088"></a><a class="code" href="struct__SessionSet.html">00088</a> <span class="keyword">struct </span><a class="code" href="struct__SessionSet.html">_SessionSet</a> <a name="l00089"></a>00089 { <a name="l00090"></a>00090 ortp_fd_set rtpset; <a name="l00091"></a>00091 }; <a name="l00092"></a>00092 <a name="l00093"></a>00093 <a name="l00094"></a>00094 <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>; <a name="l00095"></a>00095 <a name="l00096"></a>00096 <span class="preprocessor">#define session_set_init(ss) ORTP_FD_ZERO(&(ss)->rtpset)</span> <a name="l00097"></a>00097 <span class="preprocessor"></span> <a name="l00098"></a>00098 <a class="code" href="struct__SessionSet.html">SessionSet</a> * session_set_new(<span class="keywordtype">void</span>); <a name="l00104"></a><a class="code" href="sessionset_8h.html#a6c2e5af222e014af8cd572cae29da5c5">00104</a> <span class="preprocessor">#define session_set_set(ss,rtpsession) ORTP_FD_SET((rtpsession)->mask_pos,&(ss)->rtpset)</span> <a name="l00105"></a>00105 <span class="preprocessor"></span> <a name="l00112"></a><a class="code" href="sessionset_8h.html#a9d100df1b61766039dd0d1625794d8f5">00112</a> <span class="preprocessor">#define session_set_is_set(ss,rtpsession) ORTP_FD_ISSET((rtpsession)->mask_pos,&(ss)->rtpset)</span> <a name="l00113"></a>00113 <span class="preprocessor"></span> <a name="l00121"></a><a class="code" href="sessionset_8h.html#a74b2d46bb4c18f418ca99dd5ec443502">00121</a> <span class="preprocessor">#define session_set_clr(ss,rtpsession) ORTP_FD_CLR((rtpsession)->mask_pos,&(ss)->rtpset)</span> <a name="l00122"></a>00122 <span class="preprocessor"></span> <a name="l00123"></a>00123 <span class="preprocessor">#define session_set_copy(dest,src) memcpy(&(dest)->rtpset,&(src)->rtpset,sizeof(ortp_fd_set))</span> <a name="l00124"></a>00124 <span class="preprocessor"></span> <a name="l00125"></a>00125 <a name="l00129"></a>00129 <span class="keywordtype">void</span> session_set_destroy(<a class="code" href="struct__SessionSet.html">SessionSet</a> *<span class="keyword">set</span>); <a name="l00130"></a>00130 <a name="l00131"></a>00131 <a name="l00132"></a>00132 <span class="keywordtype">int</span> session_set_select(<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); <a name="l00133"></a>00133 <a name="l00134"></a>00134 <a name="l00135"></a>00135 <span class="preprocessor">#ifdef __cplusplus</span> <a name="l00136"></a>00136 <span class="preprocessor"></span>} <a name="l00137"></a>00137 <span class="preprocessor">#endif</span> <a name="l00138"></a>00138 <span class="preprocessor"></span> <a name="l00139"></a>00139 <span class="preprocessor">#endif</span> </pre></div></div> <hr size="1"/><address style="text-align: right;"><small>Generated on 30 Nov 2009 for oRTP by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address> </body> </html>