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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
*/
#include <ortp.h>
#include "scheduler.h"
#include <stdlib.h>
rtp_stats_t ortp_global_stats;
#ifdef ENABLE_MEMCHECK
gint ortp_allocations=0;
#endif
RtpScheduler *__ortp_scheduler;
void dummy_log(const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data)
{
return;
}
extern void av_profile_init(RtpProfile *profile);
static void init_random_number_generator(){
struct timeval t;
gettimeofday(&t,NULL);
srandom(t.tv_usec+t.tv_sec);
}
/**
*ortp_init:
*
* Initialize the oRTP library. You should call this function first before using
* oRTP API.
**/
void ortp_init()
{
static gboolean initialized=FALSE;
if (initialized) return;
initialized=TRUE;
#ifdef _WIN32
WORD wVersionRequested;
WSADATA wsaData;
wVersionRequested = MAKEWORD( 1, 0 );
if (WSAStartup(wVersionRequested,&wsaData)!=0)
{
g_error("Fail to initialise socket api");
}
#endif
#ifdef HAVE_GLIB
if (!g_thread_supported()) g_thread_init (NULL);
#endif
av_profile_init(&av_profile);
ortp_global_stats_reset();
init_random_number_generator();
g_message("oRTP-" ORTP_VERSION "initialized.");
}
/**
*ortp_scheduler_init:
*
* Initialize the oRTP scheduler. You only have to do that if you intend to use the
* scheduled mode of the #RtpSession in your application.
*
**/
void ortp_scheduler_init()
{
static gboolean initialized=FALSE;
if (initialized) return;
initialized=TRUE;
#ifdef __hpux
/* on hpux, we must block sigalrm on the main process, because signal delivery
is ?random?, well, sometimes the SIGALRM goes to both the main thread and the
scheduler thread */
sigset_t set;
sigemptyset(&set);
sigaddset(&set,SIGALRM);
sigprocmask(SIG_BLOCK,&set,NULL);
#endif /* __hpux */
if (!g_thread_supported()) g_thread_init(NULL);
__ortp_scheduler=rtp_scheduler_new();
rtp_scheduler_start(__ortp_scheduler);
//sleep(1);
}
/**
*ortp_exit:
*
* Gracefully uninitialize the library, including shutdowning the scheduler if it was started.
*
**/
void ortp_exit()
{
if (__ortp_scheduler!=NULL)
{
rtp_scheduler_destroy(__ortp_scheduler);
__ortp_scheduler=NULL;
}
}
/**
*ortp_get_scheduler:
*
* Returns a pointer to the scheduler, NULL if it was not running.
* The application developer should have to call this function.
*
*Returns: a pointer to the scheduler.
**/
RtpScheduler * ortp_get_scheduler()
{
if (__ortp_scheduler==NULL) g_error("Cannot use the scheduled mode: the scheduler is not "
"started. Call ortp_scheduler_init() at the begginning of the application.");
return __ortp_scheduler;
}
void ortp_log(const gchar *log_domain,GLogLevelFlags log_level,
const gchar *message,
gpointer user_data)
{
gchar *lev;
switch(log_level){
case G_LOG_LEVEL_MESSAGE:
lev="message";
break;
case G_LOG_LEVEL_WARNING:
lev="warning";
break;
case G_LOG_LEVEL_ERROR:
lev="error";
default:
lev="(unknown log type)";
}
if (user_data==NULL){
user_data=stdout;
}
fprintf((FILE*)user_data,"%s-%s:%s\n",log_domain,lev,message);
}
/**
*ortp_set_debug_file:
*@domain: one of "oRTP" or "oRTP-stats" logging domain.
*@file: a FILE pointer where to output the messages from the domain.
*
* Warning: domain is ignored when not compiling with glib support.
**/
void ortp_set_debug_file(gchar *domain,FILE *file)
{
if (file!=NULL)
g_log_set_handler (domain, G_LOG_LEVEL_MASK, ortp_log, (gpointer)file);
else g_log_set_handler (domain, G_LOG_LEVEL_MASK, dummy_log, NULL);
}
/**
*ortp_set_log_handler:
*@domain: one of the "oRTP" or "oRTP-stats" logging domain.
*@func: your logging function, compatible with the GLogFunc prototype.
*
* Warning: domain is ignored when not compiling with glib support.
**/
void ortp_set_log_handler(const gchar *domain, GLogFunc func, gpointer userdata){
g_log_set_handler(domain,G_LOG_LEVEL_MASK,func,userdata);
}
void ortp_global_stats_display()
{
rtp_stats_display(&ortp_global_stats,"Global statistics");
#ifdef ENABLE_MEMCHECK
printf("Unfreed allocations: %i\n",ortp_allocations);
#endif
}
void rtp_stats_display(rtp_stats_t *stats, char *header)
{
g_log("oRTP-stats",G_LOG_LEVEL_MESSAGE,
"\n %s :\n"
" number of rtp packet sent=%lld\n"
" number of rtp bytes sent=%lld bytes\n"
" number of rtp packet received=%lld\n"
" number of rtp bytes received=%lld bytes\n"
" number of incoming rtp bytes successfully delivered to the application=%lld \n"
" number of times the application queried a packet that didn't exist=%lld \n"
" number of rtp packets received too late=%lld\n"
" number of rtp packets skipped=%lld\n"
" number of bad formatted rtp packets=%lld\n"
" number of packet discarded because of queue overflow=%lld\n",
header,
(long long)stats->packet_sent,
(long long)stats->sent,
(long long)stats->packet_recv,
(long long)stats->hw_recv,
(long long)stats->recv,
(long long)stats->unavaillable,
(long long)stats->outoftime,
(long long)stats->skipped,
(long long)stats->bad,
(long long)stats->discarded);
}
void ortp_global_stats_reset(){
memset(&ortp_global_stats,0,sizeof(rtp_stats_t));
}
rtp_stats_t *ortp_get_global_stats(){
return &ortp_global_stats;
}
void rtp_stats_reset(rtp_stats_t *stats){
memset((void*)stats,0,sizeof(rtp_stats_t));
}
/**
*ortp_min_version_required:
*@major:
*@minor:
*@micro:
*
* This function give the opportunity to programs to check if the libortp they link to
* has the minimum version number they need.
*
* Returns: true if ortp has a version number greater or equal than the required one.
**/
gboolean ortp_min_version_required(int major, int minor, int micro){
return ((major*1000000) + (minor*1000) + micro) <=
((ORTP_MAJOR_VERSION*1000000) + (ORTP_MINOR_VERSION*1000) + ORTP_MICRO_VERSION);
}
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