implement easy sip listener creation (for non object styled code)

include/belle-sip/belle-sip.h

@@ -102,6 +102,7 @@ BELLE_SIP_DECLARE_TYPES_BEGIN(belle_sip,1)
 	BELLE_SIP_TYPE_ID(belle_sdp_version_t),
 	BELLE_SIP_TYPE_ID(belle_sdp_base_description_t),
 	BELLE_SIP_TYPE_ID(belle_sdp_mime_parameter_t),
+	BELLE_SIP_TYPE_ID(belle_sip_callbacks_t),
 BELLE_SIP_DECLARE_TYPES_END
 
 

include/belle-sip/listener.h

@@ -48,5 +48,22 @@ belle_sip_server_transaction_t *belle_sip_request_event_get_server_transaction(c
 belle_sip_dialog_t *belle_sip_request_event_get_dialog(const belle_sip_request_event_t* event);
 
 
+struct belle_sip_listener_callbacks{
+	void (*process_dialog_terminated)(void *user_ctx, const belle_sip_dialog_terminated_event_t *event);
+	void (*process_io_error)(void *user_ctx, const belle_sip_io_error_event_t *event);
+	void (*process_request_event)(void *user_ctx, const belle_sip_request_event_t *event);
+	void (*process_response_event)(void *user_ctx, const belle_sip_response_event_t *event);
+	void (*process_timeout)(void *user_ctx, const belle_sip_timeout_event_t *event);
+	void (*process_transaction_terminated)(void *user_ctx, const belle_sip_transaction_terminated_event_t *event);
+};
+
+typedef struct belle_sip_listener_callbacks belle_sip_listener_callbacks_t;
+
+/**
+ * Creates an object implementing the belle_sip_listener_t interface.
+ * This object passes the events to the callbacks, providing also the user context.
+**/
+belle_sip_listener_t *belle_sip_listener_create_from_callbacks(const belle_sip_listener_callbacks_t *callbacks, void *user_ctx);
+
 #endif
 

src/siplistener.c

@@ -26,3 +26,89 @@ belle_sip_client_transaction_t *belle_sip_response_event_get_client_transaction(
 	return event->client_transaction;
 }
 
+belle_sip_dialog_t *belle_sip_response_event_get_dialog(const belle_sip_response_event_t* event){
+	return event->dialog;
+}
+
+belle_sip_request_t* belle_sip_request_event_get_request(const belle_sip_request_event_t* event){
+	return event->request;
+}
+
+belle_sip_server_transaction_t *belle_sip_request_event_get_server_transaction(const belle_sip_request_event_t* event){
+	return event->server_transaction;
+}
+
+belle_sip_dialog_t *belle_sip_request_event_get_dialog(const belle_sip_request_event_t* event){
+	return event->dialog;
+}
+
+
+
+typedef struct belle_sip_callbacks belle_sip_callbacks_t;
+
+struct belle_sip_callbacks{
+	belle_sip_object_t base;
+	belle_sip_listener_callbacks_t cbs;
+	void *user_ctx;
+};
+
+
+static void process_dialog_terminated(belle_sip_listener_t *l, const belle_sip_dialog_terminated_event_t *event){
+	belle_sip_callbacks_t *obj=(belle_sip_callbacks_t*)l;
+	if (obj->cbs.process_dialog_terminated)
+		obj->cbs.process_dialog_terminated(obj->user_ctx,event);
+}
+
+static void process_io_error(belle_sip_listener_t *l, const belle_sip_io_error_event_t *event){
+	belle_sip_callbacks_t *obj=(belle_sip_callbacks_t*)l;
+	if (obj->cbs.process_io_error)
+		obj->cbs.process_io_error(obj->user_ctx,event);
+}
+
+static void process_request_event(belle_sip_listener_t *l, const belle_sip_request_event_t *event){
+	belle_sip_callbacks_t *obj=(belle_sip_callbacks_t*)l;
+	if (obj->cbs.process_request_event)
+		obj->cbs.process_request_event(obj->user_ctx,event);
+}
+
+static void process_response_event(belle_sip_listener_t *l, const belle_sip_response_event_t *event){
+	belle_sip_callbacks_t *obj=(belle_sip_callbacks_t*)l;
+	if (obj->cbs.process_response_event)
+		obj->cbs.process_response_event(obj->user_ctx,event);
+}
+
+static void process_timeout(belle_sip_listener_t *l, const belle_sip_timeout_event_t *event){
+	belle_sip_callbacks_t *obj=(belle_sip_callbacks_t*)l;
+	if (obj->cbs.process_timeout)
+		obj->cbs.process_timeout(obj->user_ctx,event);
+}
+
+static void process_transaction_terminated(belle_sip_listener_t *l, const belle_sip_transaction_terminated_event_t *event){
+	belle_sip_callbacks_t *obj=(belle_sip_callbacks_t*)l;
+	if (obj->cbs.process_transaction_terminated)
+		obj->cbs.process_transaction_terminated(obj->user_ctx,event);
+}
+
+BELLE_SIP_DECLARE_VPTR(belle_sip_callbacks_t);
+
+BELLE_SIP_IMPLEMENT_INTERFACE_BEGIN(belle_sip_callbacks_t,belle_sip_listener_t)
+	process_dialog_terminated,
+	process_io_error,
+	process_request_event,
+	process_response_event,
+	process_timeout,
+	process_transaction_terminated
+BELLE_SIP_IMPLEMENT_INTERFACE_END
+
+BELLE_SIP_DECLARE_IMPLEMENTED_INTERFACES_1(belle_sip_callbacks_t,belle_sip_listener_t);
+
+BELLE_SIP_INSTANCIATE_VPTR(belle_sip_callbacks_t,belle_sip_object_t,NULL,NULL,NULL,FALSE);
+
+
+belle_sip_listener_t *belle_sip_listener_create_from_callbacks(const belle_sip_listener_callbacks_t *callbacks, void *user_ctx){
+	belle_sip_callbacks_t *obj=belle_sip_object_new(belle_sip_callbacks_t);
+	memcpy(&obj->cbs,callbacks,sizeof(belle_sip_listener_callbacks_t));
+	obj->user_ctx=user_ctx;
+	return BELLE_SIP_LISTENER(obj);
+}
+