oRTP 0.25.0

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sessionset.h
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1 /*
2 The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.
3 Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
24 #ifndef SESSIONSET_H
25 #define SESSIONSET_H
26
27
28 #include <ortp/rtpsession.h>
29
30 #ifdef __cplusplus
31 extern "C"{
32 #endif
33
34
35 #if !defined(_WIN32) && !defined(_WIN32_WCE)
36 /* UNIX */
37 #include <sys/time.h>
38 #include <sys/types.h>
39 #include <unistd.h>
40
41 #define ORTP_FD_SET(d, s) FD_SET(d, s)
42 #define ORTP_FD_CLR(d, s) FD_CLR(d, s)
43 #define ORTP_FD_ISSET(d, s) FD_ISSET(d, s)
44 #define ORTP_FD_ZERO(s) FD_ZERO(s)
45
46 typedef fd_set ortp_fd_set;
47
48
49 #else
50 /* _WIN32 */
51
52 #define ORTP_FD_ZERO(s) \
53 do { \
54 unsigned int __i; \
55 ortp_fd_set *__arr = (s); \
56 for (__i = 0; __i < sizeof (ortp_fd_set) / sizeof (ortp__fd_mask); ++__i) \
57 ORTP__FDS_BITS (__arr)[__i] = 0; \
58 } while (0)
59 #define ORTP_FD_SET(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] |= ORTP__FDMASK(d))
60 #define ORTP_FD_CLR(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] &= ~ORTP__FDMASK(d))
61 #define ORTP_FD_ISSET(d, s) ((ORTP__FDS_BITS (s)[ORTP__FDELT(d)] & ORTP__FDMASK(d)) != 0)
62
63
64
65 /* The fd_set member is required to be an array of longs. */
66 typedef long int ortp__fd_mask;
67
68
69 /* Number of bits per word of `fd_set' (some code assumes this is 32). */
70 #define ORTP__FD_SETSIZE 1024
71
72 /* It's easier to assume 8-bit bytes than to get CHAR_BIT. */
73 #define ORTP__NFDBITS (8 * sizeof (ortp__fd_mask))
74 #define ORTP__FDELT(d) ((d) / ORTP__NFDBITS)
75 #define ORTP__FDMASK(d) ((ortp__fd_mask) 1 << ((d) % ORTP__NFDBITS))
76
77
78 /* fd_set for select and pselect. */
79 typedef struct
80 {
81 ortp__fd_mask fds_bits[ORTP__FD_SETSIZE / ORTP__NFDBITS];
82 # define ORTP__FDS_BITS(set) ((set)->fds_bits)
83 } ortp_fd_set;
84
85
86 #endif /*end _WIN32*/
87
88 struct _SessionSet
89 {
90 ortp_fd_set rtpset;
91 };
92
93
94 typedef struct _SessionSet SessionSet;
95
96 #define session_set_init(ss) ORTP_FD_ZERO(&(ss)->rtpset)
97
98 ORTP_PUBLIC SessionSet * session_set_new(void);
104 #define session_set_set(ss,rtpsession) ORTP_FD_SET((rtpsession)->mask_pos,&(ss)->rtpset)
105
112 #define session_set_is_set(ss,rtpsession) ORTP_FD_ISSET((rtpsession)->mask_pos,&(ss)->rtpset)
113
121 #define session_set_clr(ss,rtpsession) ORTP_FD_CLR((rtpsession)->mask_pos,&(ss)->rtpset)
122
123 #define session_set_copy(dest,src) memcpy(&(dest)->rtpset,&(src)->rtpset,sizeof(ortp_fd_set))
124
125
129 ORTP_PUBLIC void session_set_destroy(SessionSet *set);
130
131
132 ORTP_PUBLIC int session_set_select(SessionSet *recvs, SessionSet *sends, SessionSet *errors);
133 ORTP_PUBLIC int session_set_timedselect(SessionSet *recvs, SessionSet *sends, SessionSet *errors, struct timeval *timeout);
134
135 #ifdef __cplusplus
136 }
137 #endif
138
139 #endif
session_set_select
ORTP_PUBLIC int session_set_select(SessionSet *recvs, SessionSet *sends, SessionSet *errors)
Definition: sessionset.c:113
_SessionSet
Definition: sessionset.h:88
rtpsession.h
The RtpSession api.
session_set_destroy
ORTP_PUBLIC void session_set_destroy(SessionSet *set)
Definition: sessionset.c:43
session_set_new
ORTP_PUBLIC SessionSet * session_set_new(void)
Definition: sessionset.c:30