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