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qt5-legatus-legacy/Lts/Proxies/WirelessLocationSystem/wls_handler.h
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2026-08-13 18:33:10 +02:00

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/**
* Convert from/to WLS protocol / handler incoming WLS connection
* $Id$
* $HeadURL$
* $Author$
* Created by Christian Ehrlicher, SLSE, 2017-01-10
*/
#pragma once
#include <QTcpServer>
#include <QTimer>
#include <memory>
#include "logger.h"
#include "wls_participant_handler.h"
#include "web_socket_handler.h"
#include "wls_sfm_message.h"
namespace WirelessLocationSystem
{
class MainHandler;
class WlsHandler : public QObject
{
Q_OBJECT
private:
enum class WlsTelegramId
{
VersionInformation = 0,
PlayerPosition = 1,
PlayerState = 2,
PayloadMobileToHost = 3,
PayloadHostToMobile = 4
};
friend std::ostream &operator<<(std::ostream &stream, WlsHandler::WlsTelegramId ti);
public:
static constexpr int s_maxLenTransparentData = 80;
explicit WlsHandler(QObject *parent = nullptr);
~WlsHandler();
bool init(WlsParticipantHandler *participantHandler,
WebSocketHandler *wsHandler,
quint16 listenPort);
bool isConnected() const
{
return !m_tcpSockets.isEmpty();
}
bool sendWlsMessage(const WlsParticipant *p, const SfmMessage_tx &msg);
bool sendWlsMessage(const QByteArray &tagId, const SfmMessage_tx &msg);
bool sendWlsMessage(const QByteArray &tagId, WlsTelegramId telId, const QByteArray &payload);
public Q_SLOTS:
void sendGpsMode(WlsParticipant *participant);
private Q_SLOTS:
void onIncomingConnection();
void onIncomingData();
void onSocketDisconnected();
private:
QByteArray parseBuffer(const QByteArray &buffer, QTcpSocket *socket);
void parseWlsTelegram(const QByteArray &baTele, QTcpSocket *socket);
static bool findNextSyncStartByte(const QByteArray &buffer, int &iCurReadPos);
static bool findNextSyncEndByte(const QByteArray &buffer, int &iCurReadPos);
bool checkPayloadIsHex(const QByteArray &payload) const;
bool handleVersionsinformation(const QList<QByteArray> &data);
bool handlePlayerPosition(const QList<QByteArray> &data, const QDateTime &timestamp);
bool handlePlayerState(const QList<QByteArray> &data);
bool handleDataPayloadMobileToHost(const QList<QByteArray> &data);
void handlePayload(WlsParticipant *participant, const SfmMsgEquipmentId *sfmTele);
void handlePayload(WlsParticipant *participant, const SfmMsgRequestGpsControl_rx *sfmTele);
void handlePayload(WlsParticipant *participant, const SfmMsgSfmRestart_rx *sfmTele);
void handlePayload(WlsParticipant *participant, const Acknowledge_rx *sfmTele);
void handlePayload(WlsParticipant *participant, const SfmMsgTetra_rx *sfmTele);
bool parseDoubleCm(const QByteArray &data, double &num) const;
bool parseInteger(const QByteArray &data, int &num) const;
WlsParticipant *participantFromTagId(const QByteArray &tagId, bool bAskForEqIdIfNew = true);
private:
QTcpServer *m_tcpServer = nullptr;
WlsParticipantHandler *m_participantHandler = nullptr;
WebSocketHandler *m_wsHandler = nullptr;
// one buffer per socket
QHash<QTcpSocket *, QByteArray> m_tcpSockets;
QHash<QByteArray, QTcpSocket *> m_tcpSocketByTagId;
double m_wlsZOffset = 0;
LOGGER_T m_logger;
};
} // namespace WirelessLocationSystem