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Added systemd watchdog & notify compatiblity #80

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Added systemd watchdog & notify compatiblity #80

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7863343
Added systemd watchdog & notify compatiblity
aselafernando Feb 4, 2024
45f020d
Merge branch 'viktorgino:master' into systemd_notify
aselafernando Feb 4, 2024
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1 change: 1 addition & 0 deletions app/app.pro
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ QT += gui widgets qml quick
CONFIG += c++11 link_pkgconfig welleio
QMAKE_CXXFLAGS += -Wno-unused-parameter
INCLUDEPATH += $${PWD}/includes
LIBS += -lsystemd

include("../config.pri")

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20 changes: 19 additions & 1 deletion app/main.cpp
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Expand Up @@ -14,6 +14,8 @@
#include <QLoggingCategory>
#include <unistd.h>
#include <QElapsedTimer>
#include <QTimer>
#include <systemd/sd-daemon.h>

#include "hudloader.h"

Expand All @@ -40,7 +42,7 @@ int main(int argc, char *argv[])
parser.setApplicationDescription("viktorgino's HeadUnit Desktop");
parser.addHelpOption();
parser.addVersionOption();

QCommandLineOption pluginsOption(QStringList() << "p" << "plugins",
QCoreApplication::translate("main", "Plugins to enable (defaults to all)"),
QCoreApplication::translate("main", "plugins")
Expand Down Expand Up @@ -71,6 +73,22 @@ int main(int argc, char *argv[])
qDebug("%lld ms : Loading theme loader", time.elapsed());
engine.load(QUrl(QStringLiteral("qrc:/loader.qml")));

// If service Type=notify the service is only considered ready once we send this
sd_notify(0, "READY=1");

uint64_t watchdogIntervalUs = 0;
QTimer watchdogTimer;
QObject::connect(&watchdogTimer, &QTimer::timeout, [](){
sd_notify(0, "WATCHDOG=1");
});

// Service WatchdogSec must be set for this to return > 0
if (sd_watchdog_enabled(0, &watchdogIntervalUs) > 0) {
qDebug("Systemd watchdog is enabled with %lu us\n", watchdogIntervalUs);
// Recommended reporting interval is half the watchdog interval
watchdogTimer.start(watchdogIntervalUs / 2000);
}

qDebug("%lld ms : Starting main loop", time.elapsed());
int ret = app.exec();
return ret;
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