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/******************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Debug Bridge.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef CONNECTION_H
#define CONNECTION_H
#include "abstractconnection.h"
class Service;
class QdbMessage;
class QdbTransport;
#include <QtCore/qhash.h>
#include <functional>
#include <memory>
#include <unordered_map>
using StreamCreatedCallback = std::function<void(Stream *)>;
enum class ConnectionState
{
Disconnected,
WaitingForConnection,
Connected,
Waiting
};
class Connection : public AbstractConnection
{
Q_OBJECT
public:
/*! Server takes ownership of the passed QdbTransport. */
explicit Connection(QdbTransport *transport, QObject *parent = 0);
~Connection();
void connect();
ConnectionState state() const;
void createStream(const QByteArray &openTag, StreamCreatedCallback streamCreatedCallback);
void enqueueMessage(const QdbMessage &message) override;
public slots:
void close();
void handleMessage() override;
private:
void acknowledge(StreamId hostId, StreamId deviceId);
void processQueue();
void resetConnection();
void closeStream(StreamId id);
void finishCreateStream(StreamId hostId, StreamId deviceId);
void handleWrite(QdbMessage message);
ConnectionState m_state;
QHash<StreamId, StreamCreatedCallback> m_streamRequests;
bool m_closing;
};
#endif // CONNECTION_H
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