コード例 #1
0
/**
 * The Subscription timer looks for almost expired subscriptions and subscribes again.
 * @param ticks - the current time
 * @param param - the generic parameter
 */
void subscription_timer(unsigned int ticks, void* param)
{
	r_subscription *s,*ns;
	int i;
	#ifdef WITH_IMS_PM
		int subs_cnt=0;
	#endif
	for(i=0;i<subscriptions_hash_size;i++){
		subs_lock(i);
		s = subscriptions[i].head;
		r_act_time();
		while(s){
			ns = s->next;			
			if (s->attempts_left > 0 ){
				/* attempt to send a subscribe */
				if (!r_send_subscribe(s,s->duration)){
					LOG(L_ERR,"ERR:"M_NAME":subscription_timer: Error on SUBSCRIBE (%d times)... droping\n",
						pcscf_subscribe_retries);
					del_r_subscription_nolock(s);
				}else{
					s->attempts_left--;
					#ifdef WITH_IMS_PM
						subs_cnt++;
					#endif
				}
			}else if (s->attempts_left==0) {
				/* we failed to many times, drop the subscription */
				LOG(L_ERR,"ERR:"M_NAME":subscription_timer: Error on SUBSCRIBE for %d times... aborting\n",pcscf_subscribe_retries);
				del_r_subscription_nolock(s);										
			}else{
				/* we are subscribed already */
				/* if expired, drop it */
				if (s->expires<time_now) 
					del_r_subscription_nolock(s);
				#ifdef WITH_IMS_PM
					else subs_cnt++;
				#endif
					
				/* if not expired, check for renewal */
//		Commented as the S-CSCF should adjust the subscription time accordingly				
//				if ((s->duration<1200 && s->expires-time_now<s->duration/2)||
//					(s->duration>=1200 && s->expires-time_now<600))
//				{
//					/* if we need a resubscribe, we mark it as such and try to subscribe again */					
//					s->attempts_left = pcscf_subscribe_retries;
//					ns = s;
//				}
			}
			s = ns;
		}	
		subs_unlock(i);
	}
	print_subs(L_INFO);
	#ifdef WITH_IMS_PM
		IMS_PM_LOG01(RD_NbrSubs,subs_cnt);
	#endif	
}
コード例 #2
0
ファイル: registrar_subscribe.c プロジェクト: asyn/openvims
/**
 * Updates the expiration time of a subscription.
 * \todo Maybe we should use a hash here to index it as this is called for every notification
 * @param aor - aor to look for
 * @param expires - new expiration time
 * @returns 1 if found, 0 if not
 */
int update_r_subscription(r_subscription *s,int expires)
{
	LOG(L_DBG,"DBG:"M_NAME":update_r_subscription: refreshing subscription for <%.*s> [%d]\n",
		s->req_uri.len,s->req_uri.s,expires);
	s->attempts_left = -1;
	if (expires == 0) del_r_subscription_nolock(s);
	else s->expires = expires+time_now;;
	subs_unlock(s->hash);	
	return 1;
}