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qt5-legatus-legacy/Lts/Common/LtsWebSocket/client_connection.h
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2026-08-13 18:33:10 +02:00

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/**
* @RDE_HEADER@
* The ClientConnection class represents a connection to a single client.
* $Id$
* $HeadURL$
* $Author$
* Created by Hannes Baeuerle, SLSE, 2016-08-25
*/
#pragma once
#include <QtCore/QThread>
#include <QtCore/QQueue>
#include "reply_message.h"
#include "logger.h"
#include <LtsWebSocket/ltswebsocketserver_export.h>
class QWebSocket;
namespace LtsWebSocket
{
/**
* @brief The ClientConnection class represents a connection to a single client
*/
class LTSWEBSOCKETSERVER_EXPORT ClientConnection
: public QThread
, public ReplyHandler
{
Q_OBJECT
public:
/**
* @brief ClientConnection Constructor
* @param socket Pointer to a QWebSocket Object. Should be QWebSocketServer::nextPendingConnection()
* @param parent QObject parent
*/
explicit ClientConnection(QWebSocket *socket, QObject *parent = nullptr);
/**
* @brief ~ClientConnection Destructor
*/
~ClientConnection();
/**
* @brief init Initialises the ClientConnection
* @return True on success, otherwise false
*/
bool init();
/**
* @brief writeTextMessage Add a message to a queue to be sent to the client
* @param message Message which is queued
*/
void addReply(ReplyMessage *message) override;
QWebSocket *webSocket() { return m_socket; }
signals:
/**
* @brief newTextMessage Emitted when a new text message arrives at the associated socket
* @param message The new message
*/
void newTextMessage(ClientConnection *client, const QString &message);
/**
* @brief disconnected Emitted when a client disconnects
* @param client The client
*/
void disconnected(ClientConnection *client);
private slots:
void onNewTextMessageFromSocket(const QString &message);
void sendMessagesFromQueue();
void onSocketDisconnect();
private: // methods
/**
* @brief sendMessages Runs in an own thread and constantly tries to send
* queued messages
*/
void sendMessages();
private: // attributes
QWebSocket *m_socket;
QQueue<ReplyMessage *> m_messageQueue;
LOGGER_T m_logger;
}; // class ClientConnection
} // namespace LtsWebSocket