qt5base-lts/examples/network/multistreamclient/timeconsumer.cpp
Alex Trotsenko 75a9bd2a4f Introduce SCTP sockets support
Add protocol-specific code and the QSctpServer, QSctpSocket classes.

Change-Id: Ie9a1d87bd1fda866a2405043d1c15c12ded5a96e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2016-07-27 06:37:24 +00:00

85 lines
2.8 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 Alex Trotsenko <alex1973tr@gmail.com>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "timeconsumer.h"
#include <QLCDNumber>
#include <QString>
#include <QDataStream>
#include <QTimer>
TimeConsumer::TimeConsumer(QObject *parent)
: Consumer(parent)
{
lcdNumber = new QLCDNumber(8);
QTimer *timer = new QTimer(this);
connect(timer, &QTimer::timeout, this, &TimeConsumer::timerTick);
timer->start(100);
serverDisconnected();
}
QWidget *TimeConsumer::widget()
{
return lcdNumber;
}
void TimeConsumer::readDatagram(const QByteArray &ba)
{
QDataStream ds(ba);
ds >> lastTime;
lcdNumber->display(lastTime.toString("hh:mm:ss"));
}
void TimeConsumer::timerTick()
{
QByteArray buf;
QDataStream ds(&buf, QIODevice::WriteOnly);
ds << lastTime;
emit writeDatagram(buf);
}
void TimeConsumer::serverDisconnected()
{
lcdNumber->display(QLatin1String("--:--:--"));
}