46feeda0cb
Overriding and defaulting them in the header doesn't make sense For the dbus interfaces, we don't have any reasources to clean up or memory to be released. Meaning we can drop those lines too
87 lines
2 KiB
C++
87 lines
2 KiB
C++
/**
|
|
* SPDX-FileCopyrightText: 2019 Matthijs Tijink <matthijstijink@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
|
|
*/
|
|
|
|
#ifndef MULTIPLEXCHANNELSTATE_H
|
|
#define MULTIPLEXCHANNELSTATE_H
|
|
|
|
#include <QByteArray>
|
|
#include <QObject>
|
|
|
|
class ConnectionMultiplexer;
|
|
class MultiplexChannel;
|
|
|
|
/**
|
|
* Represents a single channel in a multiplexed connection
|
|
*
|
|
* @internal
|
|
* @see ConnectionMultiplexer
|
|
*/
|
|
class MultiplexChannelState : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
private:
|
|
MultiplexChannelState();
|
|
|
|
public:
|
|
constexpr static int BUFFER_SIZE = 4096;
|
|
|
|
private:
|
|
/**
|
|
* The read buffer (already read from underlying connection but not read by the user of the channel)
|
|
*/
|
|
QByteArray read_buffer;
|
|
/**
|
|
* The write buffer (already written by the user of the channel, but not to the underlying connection yet)
|
|
*/
|
|
QByteArray write_buffer;
|
|
/**
|
|
* The amount of bytes requested to the other endpoint
|
|
*/
|
|
int requestedReadAmount;
|
|
/**
|
|
* The amount of bytes the other endpoint requested
|
|
*/
|
|
int freeWriteAmount;
|
|
/**
|
|
* True if the channel is still connected in the underlying connection
|
|
*/
|
|
bool connected;
|
|
/**
|
|
* True if the channel needs to be closed after writing the buffer
|
|
*/
|
|
bool close_after_write;
|
|
friend class ConnectionMultiplexer;
|
|
friend class MultiplexChannel;
|
|
|
|
Q_SIGNALS:
|
|
/**
|
|
* Emitted if there are new bytes available to be written
|
|
*/
|
|
void writeAvailable();
|
|
/**
|
|
* Emitted if the channel has buffer room for more bytes to be read
|
|
*/
|
|
void readAvailable();
|
|
/**
|
|
* Emitted if the channel bytes ready for reading
|
|
*/
|
|
void readyRead();
|
|
/**
|
|
* Emitted if some bytes of the channel have been written
|
|
*/
|
|
void bytesWritten(qint64 amount);
|
|
/**
|
|
* Emitted if the user requested to close the channel
|
|
*/
|
|
void requestClose();
|
|
/**
|
|
* Only fired on disconnections
|
|
*/
|
|
void disconnected();
|
|
};
|
|
|
|
#endif
|