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/*
The oRTP library is an RTP (Realtime Transport Protocol - rfc1889) stack.
Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SESSIONSET_H
#define SESSIONSET_H
#include <rtpsession.h>
#ifndef _WIN32
/* UNIX */
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#define ORTP_FD_SET(d, s) FD_SET(d, s)
#define ORTP_FD_CLR(d, s) FD_CLR(d, s)
#define ORTP_FD_ISSET(d, s) FD_ISSET(d, s)
#define ORTP_FD_ZERO(s) FD_ZERO(s)
typedef fd_set ortp_fd_set;
#else
/* WIN32 */
#define ORTP_FD_ZERO(s) \
do { \
unsigned int __i; \
ortp_fd_set *__arr = (s); \
for (__i = 0; __i < sizeof (ortp_fd_set) / sizeof (ortp__fd_tqmask); ++__i) \
ORTP__FDS_BITS (__arr)[__i] = 0; \
} while (0)
#define ORTP_FD_SET(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] |= ORTP__FDMASK(d))
#define ORTP_FD_CLR(d, s) (ORTP__FDS_BITS (s)[ORTP__FDELT(d)] &= ~ORTP__FDMASK(d))
#define ORTP_FD_ISSET(d, s) ((ORTP__FDS_BITS (s)[ORTP__FDELT(d)] & ORTP__FDMASK(d)) != 0)
/* The fd_set member is required to be an array of longs. */
typedef long int ortp__fd_tqmask;
/* Number of bits per word of `fd_set' (some code assumes this is 32). */
#define ORTP__FD_SETSIZE 1024
/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */
#define ORTP__NFDBITS (8 * sizeof (ortp__fd_tqmask))
#define ORTP__FDELT(d) ((d) / ORTP__NFDBITS)
#define ORTP__FDMASK(d) ((ortp__fd_tqmask) 1 << ((d) % ORTP__NFDBITS))
/* fd_set for select and pselect. */
typedef struct
{
ortp__fd_tqmask fds_bits[ORTP__FD_SETSIZE / ORTP__NFDBITS];
# define ORTP__FDS_BITS(set) ((set)->fds_bits)
} ortp_fd_set;
#endif /*end WIN32*/
struct _SessionSet
{
ortp_fd_set rtpset;
};
typedef struct _SessionSet SessionSet;
SessionSet * session_set_new();
#define session_set_init(ss) ORTP_FD_ZERO(&(ss)->rtpset)
#define session_set_set(ss,rtpsession) ORTP_FD_SET((rtpsession)->tqmask_pos,&(ss)->rtpset)
#define session_set_is_set(ss,rtpsession) ORTP_FD_ISSET((rtpsession)->tqmask_pos,&(ss)->rtpset)
#define session_set_clr(ss,rtpsession) ORTP_FD_CLR((rtpsession)->tqmask_pos,&(ss)->rtpset)
#define session_set_copy(dest,src) memcpy(&(dest)->rtpset,&(src)->rtpset,sizeof(ortp_fd_set))
void session_set_destroy(SessionSet *set);
int session_set_select(SessionSet *recvs, SessionSet *sends, SessionSet *errors);
#endif
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