kdeconnect-kde/kded/kded.cpp
2014-01-18 02:09:58 +04:00

121 lines
3.4 KiB
C++

/**
* Copyright 2013 Albert Vaca <albertvaka@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "kded.h"
#include <QDBusConnection>
#include <QTimer>
#include <KPluginFactory>
#include <KStandardDirs>
#include "kdebugnamespace.h"
K_PLUGIN_FACTORY(KdeConnectFactory, registerPlugin<Kded>();)
K_EXPORT_PLUGIN(KdeConnectFactory("kdeconnect", "kdeconnect"))
Kded::Kded(QObject *parent, const QList<QVariant>&)
: KDEDModule(parent)
, m_daemon(0)
{
start();
kDebug(kdeconnect_kded()) << "kded_kdeconnect started";
}
Kded::~Kded()
{
stop();
kDebug(kdeconnect_kded()) << "kded_kdeconnect stopped";
}
bool Kded::start()
{
if (m_daemon)
{
return true;
}
const QString daemon = KStandardDirs::locate("exe", "kdeconnectd");
kDebug(kdeconnect_kded()) << "Starting daemon " << daemon;
m_daemon = new KProcess(this);
connect(m_daemon, SIGNAL(error(QProcess::ProcessError)), this, SLOT(onError(QProcess::ProcessError)));
connect(m_daemon, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(onFinished(int,QProcess::ExitStatus)));
connect(m_daemon, SIGNAL(finished(int,QProcess::ExitStatus)), m_daemon, SLOT(deleteLater()));
m_daemon->setProgram(daemon);
m_daemon->setOutputChannelMode(KProcess::SeparateChannels);
m_daemon->start();
if (!m_daemon->waitForStarted(10000))
{
kError(kdeconnect_kded()) << "Can't start " << daemon;
return false;
}
m_daemon->closeReadChannel(KProcess::StandardOutput);
kDebug(kdeconnect_kded()) << "Daemon successfuly started";
return true;
}
void Kded::stop()
{
if (m_daemon)
{
m_daemon->terminate();
if (m_daemon->waitForFinished(10000))
{
kDebug(kdeconnect_kded()) << "Daemon successfuly stopped";
}
else
{
m_daemon->kill();
kWarning(kdeconnect_kded()) << "Daemon killed";
}
m_daemon = 0;
}
}
bool Kded::restart()
{
stop();
return start();
}
void Kded::onError(QProcess::ProcessError errorCode)
{
kError(kdeconnect_kded()) << "Process error code=" << errorCode;
}
void Kded::onFinished(int exitCode, QProcess::ExitStatus status)
{
if (status == QProcess::CrashExit)
{
kError(kdeconnect_kded()) << "Process crashed with code=" << exitCode;
kError(kdeconnect_kded()) << m_daemon->readAllStandardError();
kWarning(kdeconnect_kded()) << "Restarting in 5 sec...";
QTimer::singleShot(5000, this, SLOT(start()));
}
else
{
kWarning(kdeconnect_kded()) << "Process finished with code=" << exitCode;
}
m_daemon = 0;
}