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93 lines
3.3 KiB
C++
93 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) 2007-2016 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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#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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_THREAD_SAFE_CLASS_
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enum {
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DEFAULT_QUEUE_SIZE_KB=1024
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};
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Mutex *mutex;
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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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struct Message {
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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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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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static MessageQueue *singleton;
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public:
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static MessageQueue *get_singleton();
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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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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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bool print();
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void statistics();
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void flush();
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int get_max_buffer_usage() const;
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MessageQueue();
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~MessageQueue();
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};
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#endif // MESSAGE_QUEUE_H
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