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qt5-legatus-legacy/Lts/Tools/DateTimeSyncer/system_caller.cpp
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2026-08-13 18:33:10 +02:00

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3.2 KiB
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Executable File

/**
* SystemCaller to set Time and Date
* $Id$
* $HeadURL$
* $Author$
* Created by Patric Karwat, NLE, 07-03-2019
*/
#include "system_caller.h"
#include <QTimer>
#include <QDateTime>
namespace DateTimeSyncer
{
SystemCaller::SystemCaller(QObject *parent)
: QObject(parent)
, m_tcpServer(new TcpServer(this))
, m_sockets(QVector<QTcpSocket*>())
, m_logger(getLogger("SystemCaller"))
{}
SystemCaller::~SystemCaller()
{
for (auto socket : qAsConst(m_sockets))
{
socket->close();
socket->deleteLater();
}
m_tcpServer->close();
delete m_tcpServer;
}
bool SystemCaller::init(int tcpPort)
{
connect(m_tcpServer, &TcpServer::newConnection, this, &SystemCaller::newConnection);
bool result = m_tcpServer->listen(QHostAddress::Any, tcpPort);
quint16 actualPort = m_tcpServer->serverPort();
NOTICE_LOG(m_logger) << "Start listen to port " << actualPort << " result: " << result;
if (!result)
return false;
return true;
}
void SystemCaller::newConnection()
{
while (m_tcpServer->hasPendingConnections())
{
// store socket and connect to signals
QTcpSocket *socket = m_tcpServer->nextPendingConnection();
connect(socket, &QTcpSocket::readyRead, this, &SystemCaller::readTcp);
connect(socket, &QTcpSocket::disconnected, this, &SystemCaller::tcpDisconnected);
m_sockets.append(socket);
NOTICE_LOG(m_logger) << "New TCP-connection on port " << m_tcpServer->serverPort();
}
}
void SystemCaller::readTcp()
{
QTcpSocket *socket = qobject_cast<QTcpSocket *>(sender());
if (!socket)
return;
QByteArray ba = socket->readAll();
qint64 time = ba.toLongLong();
DEBUG_LOG(m_logger) << "New Time " << time;
QDateTime newDateTime = QDateTime::fromSecsSinceEpoch(time);
if (newDateTime.isValid())
{
#ifndef WIN32
//linux
QString string = newDateTime.toString(QStringLiteral("\"yyyy-MM-dd hh:mm:ss\""));
QString dateTimeString(QStringLiteral("date --set="));
dateTimeString.append(string);
int systemDateTimeStatus = system(dateTimeString.toStdString().c_str());
if (systemDateTimeStatus == -1)
WARNING_LOG(m_logger) << "Failed to change date time";
int systemHwClockStatus = system("/sbin/hwclock -w");
if (systemHwClockStatus == -1)
WARNING_LOG(m_logger) << "Failed to sync hardware clock";
#else
QString dateString = newDateTime.toString(QStringLiteral("dd-MM-yy"));
QString timeString = newDateTime.toString(QStringLiteral("hh:mm:ss"));
QString systemDateString(QStringLiteral("date "));
QString systemTimeString(QStringLiteral("time "));
systemDateString.append(dateString);
systemTimeString.append(timeString);
int systemDateStatus = system(systemDateString.toLocal8Bit().data());
if (systemDateStatus == -1)
WARNING_LOG(m_logger) << "Failed to change date";
int systemTimeStatus = system(systemTimeString.toLocal8Bit().data());
if (systemTimeStatus == -1)
WARNING_LOG(m_logger) << "Failed to change date";
#endif
}
}
void SystemCaller::tcpDisconnected()
{
QTcpSocket *socket = qobject_cast<QTcpSocket *>(sender());
m_sockets.removeOne(socket);
}
void SystemCaller::handleTcpError(QAbstractSocket::SocketError error)
{
Q_UNUSED(error)
//TODO: TCP-Socket Error handling
}
} //namespace DateTimeSyncer