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- /*************************************************************************/
- /* message_queue.h */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* http://www.godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /*************************************************************************/
- #ifndef MESSAGE_QUEUE_H
- #define MESSAGE_QUEUE_H
- #include "object.h"
- #include "os/mutex.h"
- #include "os/thread_safe.h"
- class MessageQueue {
- _THREAD_SAFE_CLASS_
- enum {
- DEFAULT_QUEUE_SIZE_KB=1024
- };
- Mutex *mutex;
- enum {
- TYPE_CALL,
- TYPE_NOTIFICATION,
- TYPE_SET
- };
- struct Message {
- ObjectID instance_ID;
- StringName target;
- int16_t type;
- union {
- int16_t notification;
- int16_t args;
- };
- };
- uint8_t *buffer;
- uint32_t buffer_end;
- uint32_t buffer_max_used;
- uint32_t buffer_size;
- static MessageQueue *singleton;
- public:
- static MessageQueue *get_singleton();
- Error push_call(ObjectID p_id, const StringName& p_method, VARIANT_ARG_LIST);
- Error push_notification(ObjectID p_id, int p_notification);
- Error push_set(ObjectID p_id, const StringName& p_prop, const Variant& p_value);
- Error push_call(Object *p_object, const StringName& p_method, VARIANT_ARG_LIST);
- Error push_notification(Object *p_object, int p_notification);
- Error push_set(Object *p_object, const StringName& p_prop, const Variant& p_value);
- bool print();
- void statistics();
- void flush();
- int get_max_buffer_usage() const;
- MessageQueue();
- ~MessageQueue();
- };
- #endif // MESSAGE_QUEUE_H
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