Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the tools applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef VIRTUALSERIALPORT_H
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#define VIRTUALSERIALPORT_H
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#include <QtCore/QIODevice>
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#include <QtCore/QString>
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#include <QtCore/QMutex>
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QT_BEGIN_NAMESPACE
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class QWaitCondition;
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QT_END_NAMESPACE
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#include "symbianutils_global.h"
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namespace SymbianUtils {
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class VirtualSerialDevicePrivate;
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class SYMBIANUTILS_EXPORT VirtualSerialDevice : public QIODevice
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{
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Q_OBJECT
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public:
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explicit VirtualSerialDevice(const QString &name, QObject *parent = 0);
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~VirtualSerialDevice();
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bool open(OpenMode mode);
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void close();
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const QString &getPortName() const;
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void flush();
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qint64 bytesAvailable() const;
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bool isSequential() const;
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bool waitForBytesWritten(int msecs);
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bool waitForReadyRead(int msecs);
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protected:
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qint64 readData(char *data, qint64 maxSize);
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qint64 writeData(const char *data, qint64 maxSize);
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private:
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Q_DISABLE_COPY(VirtualSerialDevice)
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void platInit();
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void platClose();
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void emitBytesWrittenIfNeeded(QMutexLocker &locker, qint64 len);
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private:
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QString portName;
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mutable QMutex lock;
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QList<QByteArray> pendingWrites;
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bool emittingBytesWritten;
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QWaitCondition* waiterForBytesWritten;
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VirtualSerialDevicePrivate *d;
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// Platform-specific stuff
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#ifdef Q_OS_WIN
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private:
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qint64 writeNextBuffer(QMutexLocker &locker);
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void doWriteCompleted(QMutexLocker &locker);
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private slots:
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void writeCompleted();
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void commEventOccurred();
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#endif
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#ifdef Q_OS_UNIX
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private:
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bool tryWrite(const char *data, qint64 maxSize, qint64 &bytesWritten);
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enum FlushPendingOption {
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NothingSpecial = 0,
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StopAfterWritingOneBuffer = 1,
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EmitBytesWrittenAsync = 2, // Needed so we don't emit bytesWritten signal directly from writeBytes
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};
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Q_DECLARE_FLAGS(FlushPendingOptions, FlushPendingOption)
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bool tryFlushPendingBuffers(QMutexLocker& locker, FlushPendingOptions flags = NothingSpecial);
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private slots:
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void writeHasUnblocked(int fileHandle);
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signals:
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void AsyncCall_emitBytesWrittenIfNeeded(qint64 len);
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#endif
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};
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} // namespace SymbianUtils
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#endif // VIRTUALSERIALPORT_H
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