111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
#ifndef MEASUREMENTDATAUTILS_H
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#define MEASUREMENTDATAUTILS_H
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#include "networkCommon.h"
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#include <QObject>
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#include <QWebSocket>
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struct MeasurementDataPoint
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{
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qint64 timestamp;
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double value;
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MeasurementDataPoint() : timestamp(0), value(0.0)
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{}
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MeasurementDataPoint(qint64 st, double val) : timestamp(st), value(val)
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{}
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bool operator < (const MeasurementDataPoint& other) const
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{
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return timestamp < other.timestamp;
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}
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bool operator == (const MeasurementDataPoint& other) const
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{
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return timestamp == other.timestamp;
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}
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};
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// 用于QHash的哈希函数
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inline size_t qHash(const MeasurementDataPoint& dp, size_t seed = 0)
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{
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return qHash(dp.timestamp, seed);
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}
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/**
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* @brief 本地数据存储
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*
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* 存储接收到的实时数据，具有去除重复数据功能
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*/
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class MeasurementData
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{
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public:
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explicit MeasurementData(const QString& id);
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int insertData(const QVector<MeasurementDataPoint>& newData);
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QVector<MeasurementDataPoint> getLastestData(int count);
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QVector<MeasurementDataPoint> getDataInRange(qint64 startTime, qint64 endTime);
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void cleanupOldData(qint64 cutoffTime);
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private:
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QString m_id;
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QSet<qint64> m_timestamps; //用于快速查找是否存在该时间戳的数据
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QMap<qint64, double> m_data; //按时间戳对数据点进行排序
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qint64 m_latestTimestamp;
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};
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/**
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* @brief WebSocket数据客户端
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*
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* 负责与后台数据服务建立WebSocket连接，接收实时数据
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*/
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class QTimer;
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class WebSocketClient : public QObject
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{
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Q_OBJECT
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public:
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explicit WebSocketClient(QObject* parent = nullptr);
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~WebSocketClient();
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//连接管理
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bool connectToServer(const QUrl& url);
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void disconnectFromServer();
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//bool isConnected();
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//数据配置
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void setReconnectInterval(int intervalMs);
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void setMaxReconnectAttempts(int maxAttempts);
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signals:
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void dataReceived(const QString& dataMsg);
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private slots:
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void onConnected();
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void onDisconnected();
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void onError(QAbstractSocket::SocketError error);
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void onTextMessageReceived(const QString& message);
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void onReconnectTimeout();
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void resetReconnect();
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private:
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void setupWebSocket();
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void cleanupWebSocket();
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void scheduleReconnect();
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QWebSocket* m_webSocket;
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QUrl m_serverUrl;
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//重连相关
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QTimer* m_reconnectTimer;
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int m_reconnectInterval;
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int m_reconnectAttempts;
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int m_maxReconnectAttempts;
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// 状态
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bool m_connected;
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ConnectionStatus m_connectionStatus;
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};
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#endif
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