88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
#ifndef ALARMEVENTDATASERVICE_H
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#define ALARMEVENTDATASERVICE_H
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#include "alarmEventGlobal.h"
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#include "alarmEventUtils.h"
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#include "qamqpclient.h"
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#include "qamqpexchange.h"
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#include "qamqpqueue.h"
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//#include <QNetworkRequest>
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class QAmqpClient;
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class QAmqpQueue;
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class QAmqpExchange;
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class QNetworkAccessManager;
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class QNetworkReply;
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class QTimer;
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class QSettings;
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class AlarmEventDataService : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY(AlarmEventDataService) //禁止拷贝，等价于：AlarmEventDataService(const AlarmEventDataService&) = delete; AlarmEventDataService& operator=(const AlarmEventDataService&) = delete;
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public:
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static AlarmEventDataService* instance();
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void start();
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void stop();
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void queryHistoricalEvents(const QDateTime& startTime, const QDateTime& endTime);
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signals:
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void realTimeEventReceived(const EventData& event);
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void historicalQueryError(const QString& msg);
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void historicalQueryData(const QList<EventData>& events);
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private slots:
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void onRabbitMQConnected();
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void onRabbitMQDisconnected();
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void onRabbitMQError(QAMQP::Error error);
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void onMessageReceived();
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void onReconnectTimeout();
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void onHistoricalRequestFinished(QNetworkReply* reply);
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private:
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explicit AlarmEventDataService();
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~AlarmEventDataService();
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void initialize();
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//连接管理
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void startRealTimeDataService();
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void cleanupRabbitMQConnection();
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void scheduleReconnect();
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void cancelReconnect();
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//实时信息处理
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MessageHandleResult processMessage(const QAmqpMessage& message);
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EventData parseEventFromMessage(const QByteArray& data, QString& errorString);
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bool validateEvent(const EventData& event);
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//历史数据处理
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QUrl bulidHistoricalQueryUrl(const QDateTime& startTime, const QDateTime& endTime);
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void processHistoricalResponse(const QByteArray& data);
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//QNetworkRequest createHistoricalRequest(const QUrl& url);
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ServiceConfig m_config;
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ServiceStatus m_serviceStatus;
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//ConnectionStatus m_realTimeConnectionStatus;
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//ConnectionStatus m_historicalConnectionStatus;
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//RabbitMQ通信相关组件
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QAmqpClient* m_amqpClient;
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QAmqpQueue* m_amqpQueue;
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QAmqpExchange* m_amqpExchange;
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//重连相关
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QTimer* m_reconnectTimer;
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int m_reconnectAttempts;
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int m_maxReconnectAttempts;
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//历史数据相关
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QNetworkAccessManager* m_networkManager;
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//配置相关
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QSettings* m_settings;
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QString m_settingsFile;
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bool m_isVaildSettingsFile;
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};
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#endif
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