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// Copyright (C) 2016 Alex Trotsenko <alex1973tr@gmail.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "timeprovider.h"
#include <QDataStream>
#include <QTime>
#include <QByteArray>
TimeProvider::TimeProvider(QObject *parent)
: Provider(parent)
{
}
void TimeProvider::readDatagram(QSctpSocket &from, const QByteArray &ba)
{
QDataStream in_ds(ba);
QTime curTime = QTime::currentTime();
QTime clientTime;
in_ds >> clientTime;
// Send response only if a displayed part of the time is changed.
// So, sub-second differences are ignored.
if (!clientTime.isValid() || curTime.second() != clientTime.second()
|| curTime.minute() != clientTime.minute()
|| curTime.hour() != clientTime.hour()) {
QByteArray buf;
QDataStream out_ds(&buf, QIODeviceBase::WriteOnly);
out_ds << curTime;
emit writeDatagram(&from, buf);
}
}
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