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			92 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  message_queue.h                                                      */
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| /*************************************************************************/
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| /*                       This file is part of:                           */
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| /*                           GODOT ENGINE                                */
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| /*                    http://www.godotengine.org                         */
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| /*************************************************************************/
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| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
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| /*                                                                       */
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| /* Permission is hereby granted, free of charge, to any person obtaining */
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| /* a copy of this software and associated documentation files (the       */
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| /* "Software"), to deal in the Software without restriction, including   */
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| /* without limitation the rights to use, copy, modify, merge, publish,   */
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| /* distribute, sublicense, and/or sell copies of the Software, and to    */
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| /* permit persons to whom the Software is furnished to do so, subject to */
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| /* the following conditions:                                             */
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| /*                                                                       */
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| /* The above copyright notice and this permission notice shall be        */
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| /* included in all copies or substantial portions of the Software.       */
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| /*                                                                       */
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| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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| /*************************************************************************/
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| #ifndef MESSAGE_QUEUE_H
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| #define MESSAGE_QUEUE_H
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| 
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| #include "object.h"
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| #include "os/mutex.h"
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| #include "os/thread_safe.h"
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| class MessageQueue {
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| 
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| 	_THREAD_SAFE_CLASS_
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| 
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| 	enum {
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| 
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|         DEFAULT_QUEUE_SIZE_KB=1024
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| 	};
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| 
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| 	Mutex *mutex;
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| 
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| 	enum {
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| 		TYPE_CALL,
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| 		TYPE_NOTIFICATION,
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| 		TYPE_SET
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| 	};
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| 
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| 	struct Message {
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| 
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| 		ObjectID instance_ID;
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| 		StringName target;
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| 		int16_t type;
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| 		union {
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| 			int16_t notification;
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| 			int16_t args;
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| 		};
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| 	};
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| 
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| 	uint8_t *buffer;
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| 	uint32_t buffer_end;
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| 	uint32_t buffer_max_used;
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| 	uint32_t buffer_size;
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| 
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| 
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| 	static MessageQueue *singleton;
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| public:
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| 
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| 	static MessageQueue *get_singleton();
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| 
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| 	Error push_call(ObjectID p_id, const StringName& p_method, VARIANT_ARG_LIST);
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| 	Error push_notification(ObjectID p_id, int p_notification);
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| 	Error push_set(ObjectID p_id, const StringName& p_prop, const Variant& p_value);
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| 
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| 	Error push_call(Object *p_object, const StringName& p_method, VARIANT_ARG_LIST);
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| 	Error push_notification(Object *p_object, int p_notification);
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| 	Error push_set(Object *p_object, const StringName& p_prop, const Variant& p_value);
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| 
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| 	bool print();
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| 	void statistics();
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| 	void flush();
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| 
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| 	int get_max_buffer_usage() const;
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| 
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| 	MessageQueue();
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| 	~MessageQueue();
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| };
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| 
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| #endif // MESSAGE_QUEUE_H
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