Пример #1
0
int sal_subscribe(SalOp *op, const char *from, const char *to, const char *eventname, int expires, const SalBody *body){
	belle_sip_request_t *req=NULL;
	
	if (from)
		sal_op_set_from(op,from);
	if (to)
		sal_op_set_to(op,to);
	
	if (!op->dialog){
		sal_op_subscribe_fill_cbs(op);
		/*???sal_exosip_fix_route(op); make sure to ha ;lr*/
		req=sal_op_build_request(op,"SUBSCRIBE");
		if (eventname){
			if (op->event) belle_sip_object_unref(op->event);
			op->event=belle_sip_header_create("Event",eventname);
			belle_sip_object_ref(op->event);
		}
		belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),op->event);
		belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_expires_create(expires)));
		sal_op_add_body(op,(belle_sip_message_t*)req,body);
		return sal_op_send_and_create_refresher(op,req,expires,subscribe_refresher_listener);
	}else if (op->refresher){
		const belle_sip_transaction_t *tr=(const belle_sip_transaction_t*) belle_sip_refresher_get_transaction(op->refresher);
		belle_sip_request_t *last_req=belle_sip_transaction_get_request(tr);
		/* modify last request to update body*/
		sal_op_add_body(op,(belle_sip_message_t*)last_req,body);
		return belle_sip_refresher_refresh(op->refresher,expires);
	}
	ms_warning("sal_subscribe(): no dialog and no refresher ?");
	return -1;
}
Пример #2
0
static void process_request_event(void *sal, const belle_sip_request_event_t *event) {
	SalOp* op=NULL;
	belle_sip_request_t* req = belle_sip_request_event_get_request(event);
	belle_sip_dialog_t* dialog=belle_sip_request_event_get_dialog(event);
	belle_sip_header_address_t* origin_address;
	belle_sip_header_address_t* address;
	belle_sip_header_from_t* from_header;
	belle_sip_header_to_t* to;
	belle_sip_response_t* resp;
	belle_sip_header_t *evh;
	const char *method=belle_sip_request_get_method(req);

	from_header=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req),belle_sip_header_from_t);

	if (dialog) {
		op=(SalOp*)belle_sip_dialog_get_application_data(dialog);
		if (op==NULL || op->state==SalOpStateTerminated){
			ms_warning("Receiving request for null or terminated op [%p], ignored",op);
			return;
		}
	}else if (strcmp("INVITE",method)==0) {
		op=sal_op_new((Sal*)sal);
		op->dir=SalOpDirIncoming;
		sal_op_call_fill_cbs(op);
	}else if ((strcmp("SUBSCRIBE",method)==0 || strcmp("NOTIFY",method)==0) && (evh=belle_sip_message_get_header(BELLE_SIP_MESSAGE(req),"Event"))!=NULL) {
		op=sal_op_new((Sal*)sal);
		op->dir=SalOpDirIncoming;
		if (strncmp(belle_sip_header_get_unparsed_value(evh),"presence",strlen("presence"))==0){
			sal_op_presence_fill_cbs(op);
		}else
			sal_op_subscribe_fill_cbs(op);
	}else if (strcmp("MESSAGE",method)==0) {
		op=sal_op_new((Sal*)sal);
		op->dir=SalOpDirIncoming;
		sal_op_message_fill_cbs(op);
	}else if (strcmp("OPTIONS",method)==0) {
		resp=belle_sip_response_create_from_request(req,200);
		belle_sip_provider_send_response(((Sal*)sal)->prov,resp);
		return;
	}else if (strcmp("INFO",method)==0) {
		resp=belle_sip_response_create_from_request(req,481);/*INFO out of call dialogs are not allowed*/
		belle_sip_provider_send_response(((Sal*)sal)->prov,resp);
		return;
	}else if (strcmp("BYE",method)==0) {
		resp=belle_sip_response_create_from_request(req,481);/*out of dialog BYE */
		belle_sip_provider_send_response(((Sal*)sal)->prov,resp);
		return;
	}else {
		ms_error("sal process_request_event not implemented yet for method [%s]",belle_sip_request_get_method(req));
		resp=belle_sip_response_create_from_request(req,501);
		belle_sip_provider_send_response(((Sal*)sal)->prov,resp);
		return;
	}

	if (!op->base.from_address)  {
		address=belle_sip_header_address_create(belle_sip_header_address_get_displayname(BELLE_SIP_HEADER_ADDRESS(from_header))
														,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(from_header)));
		sal_op_set_from_address(op,(SalAddress*)address);
		belle_sip_object_unref(address);
	}


	if (!op->base.to_address) {
		to=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req),belle_sip_header_to_t);
		address=belle_sip_header_address_create(belle_sip_header_address_get_displayname(BELLE_SIP_HEADER_ADDRESS(to))
												,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(to)));
		sal_op_set_to_address(op,(SalAddress*)address);
		belle_sip_object_unref(address);
	}

	if (!op->base.origin) {
		/*set origin uri*/
		origin_address=belle_sip_header_address_create(NULL,belle_sip_request_extract_origin(req));
		__sal_op_set_network_origin_address(op,(SalAddress*)origin_address);
		belle_sip_object_unref(origin_address);
	}
	if (!op->base.remote_ua) {
		sal_op_set_remote_ua(op,BELLE_SIP_MESSAGE(req));
	}

	if (!op->base.call_id) {
		op->base.call_id=ms_strdup(belle_sip_header_call_id_get_call_id(BELLE_SIP_HEADER_CALL_ID(belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req), belle_sip_header_call_id_t))));
	}
	/*It is worth noting that proxies can (and
   will) remove this header field*/
	sal_op_set_privacy_from_message(op,(belle_sip_message_t*)req);

	sal_op_assign_recv_headers(op,(belle_sip_message_t*)req);
	if (op->callbacks.process_request_event) {
		op->callbacks.process_request_event(op,event);
	} else {
		ms_error("sal process_request_event not implemented yet");
	}

}
Пример #3
0
static void process_request_event(void *ud, const belle_sip_request_event_t *event) {
	Sal *sal=(Sal*)ud;
	SalOp* op=NULL;
	belle_sip_request_t* req = belle_sip_request_event_get_request(event);
	belle_sip_dialog_t* dialog=belle_sip_request_event_get_dialog(event);
	belle_sip_header_address_t* origin_address;
	belle_sip_header_address_t* address=NULL;
	belle_sip_header_from_t* from_header;
	belle_sip_header_to_t* to;
	belle_sip_response_t* resp;
	belle_sip_header_t *evh;
	const char *method=belle_sip_request_get_method(req);
	belle_sip_header_contact_t* remote_contact = belle_sip_message_get_header_by_type(req, belle_sip_header_contact_t);

	from_header=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req),belle_sip_header_from_t);

	if (dialog) {
		op=(SalOp*)belle_sip_dialog_get_application_data(dialog);
		
		if (op == NULL  && strcmp("NOTIFY",method) == 0) {
			/*special case for Dialog created by notify mathing subscribe*/
			belle_sip_transaction_t * sub_trans = belle_sip_dialog_get_last_transaction(dialog);
			op = (SalOp*)belle_sip_transaction_get_application_data(sub_trans);
		}
		if (op==NULL || op->state==SalOpStateTerminated){
			ms_warning("Receiving request for null or terminated op [%p], ignored",op);
			return;
		}
	}else{
		/*handle the case where we are receiving a request with to tag but it is not belonging to any dialog*/
		belle_sip_header_to_t *to = belle_sip_message_get_header_by_type(req, belle_sip_header_to_t);
		if ((strcmp("INVITE",method)==0 || strcmp("NOTIFY",method)==0) && (belle_sip_header_to_get_tag(to) != NULL)) {
			ms_warning("Receiving %s with to-tag but no know dialog here. Rejecting.", method);
			resp=belle_sip_response_create_from_request(req,481);
			belle_sip_provider_send_response(sal->prov,resp);
			return;
		/* by default (eg. when a to-tag is present), out of dialog ACK are automatically
		handled in lower layers (belle-sip) but in case it misses, it will be forwarded to us */
		} else if (strcmp("ACK",method)==0 && (belle_sip_header_to_get_tag(to) == NULL)) {
			ms_warning("Receiving ACK without to-tag but no know dialog here. Ignoring");
			return;
		}

		if (strcmp("INVITE",method)==0) {
			op=sal_op_new(sal);
			op->dir=SalOpDirIncoming;
			sal_op_call_fill_cbs(op);
		}else if ((strcmp("SUBSCRIBE",method)==0 || strcmp("NOTIFY",method)==0) && (evh=belle_sip_message_get_header(BELLE_SIP_MESSAGE(req),"Event"))!=NULL) {
			op=sal_op_new(sal);
			op->dir=SalOpDirIncoming;
			if (strncmp(belle_sip_header_get_unparsed_value(evh),"presence",strlen("presence"))==0){
				sal_op_presence_fill_cbs(op);
			}else
				sal_op_subscribe_fill_cbs(op);
		}else if (strcmp("MESSAGE",method)==0) {
			op=sal_op_new(sal);
			op->dir=SalOpDirIncoming;
			sal_op_message_fill_cbs(op);
		}else if (strcmp("OPTIONS",method)==0) {
			resp=belle_sip_response_create_from_request(req,200);
			belle_sip_provider_send_response(sal->prov,resp);
			return;
		}else if (strcmp("INFO",method)==0) {
			resp=belle_sip_response_create_from_request(req,481);/*INFO out of call dialogs are not allowed*/
			belle_sip_provider_send_response(sal->prov,resp);
			return;
		}else if (strcmp("BYE",method)==0) {
			resp=belle_sip_response_create_from_request(req,481);/*out of dialog BYE */
			belle_sip_provider_send_response(sal->prov,resp);
			return;
		}else if (strcmp("CANCEL",method)==0) {
			resp=belle_sip_response_create_from_request(req,481);/*out of dialog CANCEL */
			belle_sip_provider_send_response(sal->prov,resp);
			return;
		}else if (sal->enable_test_features && strcmp("PUBLISH",method)==0) {
			resp=belle_sip_response_create_from_request(req,200);/*out of dialog PUBLISH */
			belle_sip_message_add_header((belle_sip_message_t*)resp,belle_sip_header_create("SIP-Etag","4441929FFFZQOA"));
			belle_sip_provider_send_response(sal->prov,resp);
			return;
		}else {
			ms_error("sal process_request_event not implemented yet for method [%s]",belle_sip_request_get_method(req));
			resp=belle_sip_response_create_from_request(req,405);
			belle_sip_message_add_header(BELLE_SIP_MESSAGE(resp)
										,BELLE_SIP_HEADER(belle_sip_header_allow_create("INVITE, CANCEL, ACK, BYE, SUBSCRIBE, NOTIFY, MESSAGE, OPTIONS, INFO")));
			belle_sip_provider_send_response(sal->prov,resp);
			return;
		}
	}

	if (!op->base.from_address)  {
		if (belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(from_header)))
			address=belle_sip_header_address_create(belle_sip_header_address_get_displayname(BELLE_SIP_HEADER_ADDRESS(from_header))
					,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(from_header)));
		else if ((belle_sip_header_address_get_absolute_uri(BELLE_SIP_HEADER_ADDRESS(from_header))))
			address=belle_sip_header_address_create2(belle_sip_header_address_get_displayname(BELLE_SIP_HEADER_ADDRESS(from_header))
					,belle_sip_header_address_get_absolute_uri(BELLE_SIP_HEADER_ADDRESS(from_header)));
		else
			ms_error("Cannot not find from uri from request [%p]",req);
		sal_op_set_from_address(op,(SalAddress*)address);
		belle_sip_object_unref(address);
	}

	if( remote_contact ){
		__sal_op_set_remote_contact(op, belle_sip_header_get_unparsed_value(BELLE_SIP_HEADER(remote_contact)));
	}

	if (!op->base.to_address) {
		to=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req),belle_sip_header_to_t);
		if (belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(to)))
			address=belle_sip_header_address_create(belle_sip_header_address_get_displayname(BELLE_SIP_HEADER_ADDRESS(to))
					,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(to)));
		else if ((belle_sip_header_address_get_absolute_uri(BELLE_SIP_HEADER_ADDRESS(to))))
			address=belle_sip_header_address_create2(belle_sip_header_address_get_displayname(BELLE_SIP_HEADER_ADDRESS(to))
					,belle_sip_header_address_get_absolute_uri(BELLE_SIP_HEADER_ADDRESS(to)));
		else
			ms_error("Cannot not find to uri from request [%p]",req);

		sal_op_set_to_address(op,(SalAddress*)address);
		belle_sip_object_unref(address);
	}

	if (!op->base.origin) {
		/*set origin uri*/
		origin_address=belle_sip_header_address_create(NULL,belle_sip_request_extract_origin(req));
		__sal_op_set_network_origin_address(op,(SalAddress*)origin_address);
		belle_sip_object_unref(origin_address);
	}
	if (!op->base.remote_ua) {
		sal_op_set_remote_ua(op,BELLE_SIP_MESSAGE(req));
	}

	if (!op->base.call_id) {
		op->base.call_id=ms_strdup(belle_sip_header_call_id_get_call_id(BELLE_SIP_HEADER_CALL_ID(belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req), belle_sip_header_call_id_t))));
	}
	/*It is worth noting that proxies can (and
   will) remove this header field*/
	sal_op_set_privacy_from_message(op,(belle_sip_message_t*)req);

	sal_op_assign_recv_headers(op,(belle_sip_message_t*)req);
	if (op->callbacks && op->callbacks->process_request_event) {
		op->callbacks->process_request_event(op,event);
	} else {
		ms_error("sal process_request_event not implemented yet");
	}

}