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path: root/src/libs/clangbackendipc/writemessageblock.cpp
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#include "writemessageblock.h"

#include "messageenvelop.h"

#include <QDataStream>
#include <QDebug>
#include <QIODevice>
#include <QVariant>

namespace ClangBackEnd {

WriteMessageBlock::WriteMessageBlock(QIODevice *ioDevice)
    : m_messageCounter(0),
      m_ioDevice(ioDevice)
{
}

void WriteMessageBlock::write(const MessageEnvelop &message)
{
    QByteArray block;
    QDataStream out(&block, QIODevice::WriteOnly);

    const qint32 dummyBockSize = 0;
    out << dummyBockSize;

    out << m_messageCounter;

    out << message;

    out.device()->seek(0);
    out << qint32(block.size() - sizeof(qint32));

    ++m_messageCounter;

    const qint64 bytesWritten = m_ioDevice->write(block);
    if (bytesWritten == -1)
        qWarning() << "Failed to write data:" << m_ioDevice->errorString();
}

qint64 WriteMessageBlock::counter() const
{
    return m_messageCounter;
}

void WriteMessageBlock::resetCounter()
{
    m_messageCounter = 0;
}


} // namespace ClangBackEnd