C++ (Cpp) belle_sip_channel_process_data Examples

Example #1

File: udp_listeningpoint.c Project: rogerhzh/bellesip_XIA

/*peek data from the master socket to see where it comes from, and dispatch to matching channel.
 * If the channel does not exist, create it */
static int on_udp_data(belle_sip_udp_listening_point_t *lp, unsigned int events){
	int err;
	unsigned char buf[4096];
	sockaddr_x addr;
	socklen_t addrlen=sizeof(sockaddr_x);

	if (events & BELLE_SIP_EVENT_READ){
		belle_sip_debug("udp_listening_point: data to read.");
		err=Xrecvfrom(lp->sock,(char*)buf,sizeof(buf),MSG_PEEK,(struct sockaddr*)&addr,&addrlen);
		if (err==-1){
			char *tmp=belle_sip_object_to_string((belle_sip_object_t*) ((belle_sip_listening_point_t*)lp)->listening_uri);
			belle_sip_error("udp_listening_point: recvfrom() failed on [%s], : [%s] reopening server socket"
					,tmp
					,belle_sip_get_socket_error_string());
			belle_sip_free(tmp);
			belle_sip_udp_listening_point_uninit(lp);
			/*clean all udp channels that are actually sharing the server socket with the listening points*/
			belle_sip_listening_point_clean_channels((belle_sip_listening_point_t*)lp);
			belle_sip_udp_listening_point_init_socket(lp);
		}else{
			belle_sip_channel_t *chan;
			struct addrinfo ai={0};
			belle_sip_address_remove_v4_mapping((struct sockaddr*)&addr,(struct sockaddr*)&addr,&addrlen);
			ai.ai_family=((struct sockaddr*)&addr)->sa_family;
			ai.ai_addr=(struct sockaddr*)&addr;
			ai.ai_addrlen=addrlen;
			chan=_belle_sip_listening_point_get_channel((belle_sip_listening_point_t*)lp,NULL,&ai);
			if (chan==NULL){
				/*TODO: should rather create the channel with real local ip and port and not just 0.0.0.0"*/
				chan=belle_sip_channel_new_udp_with_addr(lp->base.stack
														,lp->sock
														,belle_sip_uri_get_host(lp->base.listening_uri)
														,belle_sip_uri_get_port(lp->base.listening_uri)
														,&ai);
				if (chan!=NULL){
					belle_sip_message("udp_listening_point: new channel created to %s:%i",chan->peer_name,chan->peer_port);
					chan->lp=(belle_sip_listening_point_t*)lp; /*FIXME, exactly the same code as for channel creation from provider. might be good to factorize*/
					belle_sip_listening_point_add_channel((belle_sip_listening_point_t*)lp,chan);
				}
			}
			if (chan){
				/*notify the channel*/
				belle_sip_debug("Notifying udp channel, local [%s:%i]  remote [%s:%i]"
						,chan->local_ip
						,chan->local_port
						,chan->peer_name
						,chan->peer_port);
				belle_sip_channel_process_data(chan,events);
			}
		}
	}
	return BELLE_SIP_CONTINUE;
}

Example #2

static int tls_process_data(belle_sip_channel_t *obj,unsigned int revents){
	belle_sip_tls_channel_t* channel=(belle_sip_tls_channel_t*)obj;

	if (obj->state == BELLE_SIP_CHANNEL_CONNECTING ) {
		if (!channel->socket_connected) {
			channel->socklen=sizeof(channel->ss);
			if (finalize_stream_connection((belle_sip_stream_channel_t*)obj,revents,(struct sockaddr*)&channel->ss,&channel->socklen)) {
				goto process_error;
			}
			belle_sip_message("Channel [%p]: Connected at TCP level, now doing TLS handshake",obj);
			channel->socket_connected=1;
			belle_sip_source_set_events((belle_sip_source_t*)channel,BELLE_SIP_EVENT_READ|BELLE_SIP_EVENT_ERROR);
			belle_sip_source_set_timeout((belle_sip_source_t*)obj,belle_sip_stack_get_transport_timeout(obj->stack));
			if (tls_process_handshake(obj)==-1) goto process_error;
		}else{
			if (revents & BELLE_SIP_EVENT_READ){
				if (tls_process_handshake(obj)==-1) goto process_error;
			}else if (revents==BELLE_SIP_EVENT_TIMEOUT){
				belle_sip_error("channel [%p]: SSL handshake took too much time.",obj);
				goto process_error;
			}else{
				belle_sip_warning("channeEHHCXCCCl [%p]: unexpected event [%i] during TLS handshake.",obj,revents);
			}
		}
	} else if ( obj->state == BELLE_SIP_CHANNEL_READY) {
		return belle_sip_channel_process_data(obj,revents);
	} else {
		belle_sip_warning("Unexpected event [%i], for channel [%p]",revents,channel);
		return BELLE_SIP_STOP;
	}
	return BELLE_SIP_CONTINUE;
	
process_error:
	belle_sip_error("Cannot connect to [%s://%s:%i]",belle_sip_channel_get_transport_name(obj),obj->peer_name,obj->peer_port);
	channel_set_state(obj,BELLE_SIP_CHANNEL_ERROR);
	return BELLE_SIP_STOP;
}