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/*
client.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2013 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_CLIENT_H
#define GAMMARAY_CLIENT_H
#include <common/protocol.h>
#include <common/endpoint.h>
#include <QUrl>
namespace GammaRay {
class ClientDevice;
class MessageStatisticsModel;
/** Client-side connection endpoint. */
class Client : public Endpoint
{
Q_OBJECT
public:
explicit Client(QObject *parent = nullptr);
~Client() override;
/** Connect to a server reachable on @p url. */
void connectToHost(const QUrl &url, int tryAgain = 0);
void disconnectFromHost();
/**
* Register a client-side QObject to send/receive messages to/from the server side.
*/
Protocol::ObjectAddress registerObject(const QString &name, QObject *object) override;
/** Singleton accessor. */
static Client *instance();
bool isRemoteClient() const override;
QUrl serverAddress() const override;
void registerMessageHandler(Protocol::ObjectAddress objectAddress, QObject *receiver,
const char *messageHandlerName) override;
void unregisterMessageHandler(Protocol::ObjectAddress objectAddress) override;
signals:
/** Emitted on transient connection errors.
* That is, on errors it's worth re-trying, e.g. because the target wasn't up yet.
*/
void transientConnectionError();
/** Emitted on persistent connection errors.
* That is, any error that is not a transient one.
*/
void persisitentConnectionError(const QString &msg);
protected:
void messageReceived(const Message &msg) override;
void objectDestroyed(Protocol::ObjectAddress objectAddress, const QString &objectName,
QObject *object) override;
void handlerDestroyed(Protocol::ObjectAddress objectAddress,
const QString &objectName) override;
void doSendMessage(const GammaRay::Message &msg) override;
private:
void monitorObject(Protocol::ObjectAddress objectAddress);
void unmonitorObject(Protocol::ObjectAddress objectAddress);
private slots:
void socketConnected();
void resetClientDevice();
void socketDisconnected();
private:
enum InitState
{
VersionChecked = 0x1,
ObjectMapReceived = 0x2,
ServerInfoReceived = 0x4,
ServerDataVersionNegotiated = 0x8,
ConnectionEstablished = 0x10,
InitComplete = VersionChecked | ObjectMapReceived | ServerInfoReceived | ServerDataVersionNegotiated
};
QUrl m_serverAddress;
ClientDevice *m_clientDevice;
MessageStatisticsModel *m_statModel;
int m_initState;
};
}
#endif // GAMMARAY_CLIENT_H
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