72 lines
2 KiB
C
72 lines
2 KiB
C
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/**
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* Copyright 2019 Matthijs Tijink <matthijstijink@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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