hunting/middleware/StateMachine/src/OpenHarmony/message_queue.h
2023-11-11 17:06:46 -08:00

89 lines
2.4 KiB
C++

/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OHOS_MESSAGE_QUEUE_H
#define OHOS_MESSAGE_QUEUE_H
#include "internal_message.h"
#include <chrono>
#include <condition_variable>
#include <mutex>
// namespace OHOS {
// namespace Wifi {
#define TIME_USEC_1000 1000
#define TIME_INTERVAL 30000
class MessageQueue
{
public:
/**
* @Description : Construct a new Message Queue object.
*
*/
MessageQueue();
/**
* @Description : Destroy the Message Queue object.
*
*/
~MessageQueue();
/**
* @Description : Inserting Messages into Queues.
*
* @param message - Message to be inserted.[in]
* @param handleTime - Message execution time.[in]
* @return true : success, false : failed.
*/
bool AddMessageToQueue(InternalMessage *message, int64_t handleTime);
/**
* @Description : Delete messages from the queue.
*
* @param messageName - Name of the message to be deleted.[in]
* @return true : success, false : failed.
*/
bool DeleteMessageFromQueue(int messageName);
/**
* @Description : Obtain messages from the queue for processing.
* If no message is found, the system blocks the messages.
*
*/
InternalMessage *GetNextMessage();
/**
* @Description : Obtain messages from the queue for processing.
* If no message is found, the system blocks the messages.
*/
void StopQueueLoop();
private:
/* Message Queuing */
InternalMessage *pMessageQueue;
/* No messages to be executed, blocking */
bool mIsBlocked;
/* Exit Loop */
bool mNeedQuit;
/* Thread lock of operation queue */
std::mutex mMtxQueue;
/* Blocked thread lock */
std::mutex mMtxBlock;
/* blocking condition variable */
std::condition_variable mCvQueue;
};
// } // namespace Wifi
// } // namespace OHOS
#endif