scheduler.h

ortp协议栈（实时传输协议）

/*
  The oRTP LinPhone RTP library intends to provide basics for a RTP stack.
  Copyright (C) 2001  Simon MORLAT [e-mail]

  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 SCHEDULER_H
#define SCHEDULER_H

#include "rtpsession.h"
#include "rtptimer.h"
#include "sessionset.h"


struct _RtpScheduler{
	RtpSession *list;	/* list of scheduled sessions*/
	SessionSet	all_sessions;  /* mask of scheduled sessions */
	gint		all_max;		/* the highest pos in the all mask */
	SessionSet  r_sessions;		/* mask of sessions that have a recv event */
	gint		r_max;
	SessionSet	w_sessions;		/* mask of sessions that have a send event */
	gint 		w_max;
	SessionSet	e_sessions;	/* mask of session that have error event */
	gint		e_max;
	gint max_sessions;		/* the number of position in the masks */
	//GMutex  *unblock_select_mutex;
	GCond   *unblock_select_cond;
	GMutex	*lock;
	pthread_t thread;
	gint thread_running;
	struct _RtpTimer *timer;
	guint32 time;   /*number of miliseconds elapsed since the start of the thread */
	guint32 timer_inc;	/* the timer increment in milisec */
};

typedef struct _RtpScheduler RtpScheduler;
	
RtpScheduler * rtp_scheduler_new();
void rtp_scheduler_set_timer(RtpScheduler *sched,RtpTimer *timer);
void rtp_scheduler_start(RtpScheduler *sched);
void rtp_scheduler_stop(RtpScheduler *sched);
void rtp_scheduler_destroy(RtpScheduler *sched);

void rtp_scheduler_add_session(RtpScheduler *sched, RtpSession *session);
void rtp_scheduler_remove_session(RtpScheduler *sched, RtpSession *session);

void * rtp_scheduler_schedule(void *sched);

#define rtp_scheduler_lock(sched)	g_mutex_lock((sched)->lock)
#define rtp_scheduler_unlock(sched)	g_mutex_unlock((sched)->lock)

//void rtp_scheduler_add_set(RtpScheduler *sched, SessionSet *set);


#endif