oRTP 0.16.3
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00001 /* 00002 The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack. 00003 Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Lesser General Public License for more details. 00014 00015 You should have received a copy of the GNU Lesser General Public 00016 License along with this library; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 */ 00024 #ifndef SESSIONSET_H 00025 #define SESSIONSET_H 00026 00027 00028 #include <ortp/rtpsession.h> 00029 00030 #ifdef __cplusplus 00031 extern "C"{ 00032 #endif 00033 00034 00035 #if !defined(_WIN32) && !defined(_WIN32_WCE) 00036 /* UNIX */ 00037 #include <sys/time.h> 00038 #include <sys/types.h> 00039 #include <unistd.h> 00040 00041 #define ORTP_FD_SET(d, s) FD_SET(d, s) 00042 #define ORTP_FD_CLR(d, s) FD_CLR(d, s) 00043 #define ORTP_FD_ISSET(d, s) FD_ISSET(d, s) 00044 #define ORTP_FD_ZERO(s) FD_ZERO(s) 00045 00046 typedef fd_set ortp_fd_set; 00047 00048 00049 #else 00050 /* WIN32 */ 00051 00052 #define ORTP_FD_ZERO(s) \ 00053 do { \ 00054 unsigned int __i; \ 00055 ortp_fd_set *__arr = (s); \ 00056 for (__i = 0; __i < sizeof (ortp_fd_set) / sizeof (ortp__fd_mask); ++__i) \ 00057 ORTP__FDS_BITS (__arr)[__i] = 0; \ 00058 } while (0) 00059 #define ORTP_FD_SET(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] |= ORTP__FDMASK(d)) 00060 #define ORTP_FD_CLR(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] &= ~ORTP__FDMASK(d)) 00061 #define ORTP_FD_ISSET(d, s) ((ORTP__FDS_BITS (s)[ORTP__FDELT(d)] & ORTP__FDMASK(d)) != 0) 00062 00063 00064 00065 /* The fd_set member is required to be an array of longs. */ 00066 typedef long int ortp__fd_mask; 00067 00068 00069 /* Number of bits per word of `fd_set' (some code assumes this is 32). */ 00070 #define ORTP__FD_SETSIZE 1024 00071 00072 /* It's easier to assume 8-bit bytes than to get CHAR_BIT. */ 00073 #define ORTP__NFDBITS (8 * sizeof (ortp__fd_mask)) 00074 #define ORTP__FDELT(d) ((d) / ORTP__NFDBITS) 00075 #define ORTP__FDMASK(d) ((ortp__fd_mask) 1 << ((d) % ORTP__NFDBITS)) 00076 00077 00078 /* fd_set for select and pselect. */ 00079 typedef struct 00080 { 00081 ortp__fd_mask fds_bits[ORTP__FD_SETSIZE / ORTP__NFDBITS]; 00082 # define ORTP__FDS_BITS(set) ((set)->fds_bits) 00083 } ortp_fd_set; 00084 00085 00086 #endif /*end WIN32*/ 00087 00088 struct _SessionSet 00089 { 00090 ortp_fd_set rtpset; 00091 }; 00092 00093 00094 typedef struct _SessionSet SessionSet; 00095 00096 #define session_set_init(ss) ORTP_FD_ZERO(&(ss)->rtpset) 00097 00098 SessionSet * session_set_new(void); 00104 #define session_set_set(ss,rtpsession) ORTP_FD_SET((rtpsession)->mask_pos,&(ss)->rtpset) 00105 00112 #define session_set_is_set(ss,rtpsession) ORTP_FD_ISSET((rtpsession)->mask_pos,&(ss)->rtpset) 00113 00121 #define session_set_clr(ss,rtpsession) ORTP_FD_CLR((rtpsession)->mask_pos,&(ss)->rtpset) 00122 00123 #define session_set_copy(dest,src) memcpy(&(dest)->rtpset,&(src)->rtpset,sizeof(ortp_fd_set)) 00124 00125 00129 void session_set_destroy(SessionSet *set); 00130 00131 00132 int session_set_select(SessionSet *recvs, SessionSet *sends, SessionSet *errors); 00133 int session_set_timedselect(SessionSet *recvs, SessionSet *sends, SessionSet *errors, struct timeval *timeout); 00134 00135 #ifdef __cplusplus 00136 } 00137 #endif 00138 00139 #endif