57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
/**
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* SPDX-FileCopyrightText: 2019 Matthijs Tijink <matthijstijink@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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*/
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#ifndef MULTIPLEXCHANNEL_H
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#define MULTIPLEXCHANNEL_H
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#include <QIODevice>
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#include <QSharedPointer>
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class ConnectionMultiplexer;
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class MultiplexChannelState;
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/**
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* Represents a single channel in a multiplexed connection
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*
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* @see ConnectionMultiplexer
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* @see ConnectionMultiplexer::getChannel
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*/
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class MultiplexChannel : public QIODevice {
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Q_OBJECT
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private:
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/**
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* You cannot construct a MultiplexChannel yourself, use the ConnectionMultiplexer
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*/
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MultiplexChannel(QSharedPointer<MultiplexChannelState> state);
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public:
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~MultiplexChannel();
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constexpr static int BUFFER_SIZE = 4096;
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bool canReadLine() const override;
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bool atEnd() const override;
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qint64 bytesAvailable() const override;
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qint64 bytesToWrite() const override;
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bool isSequential() const override;
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protected:
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qint64 readData(char * data, qint64 maxlen) override;
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qint64 writeData(const char * data, qint64 len) override;
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private:
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QSharedPointer<MultiplexChannelState> state;
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/**
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* Disconnects the channel
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*/
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void disconnect();
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friend class ConnectionMultiplexer;
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};
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#endif
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