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#include "Systemd.hpp"
#include <sstream>
#include <QDBusConnection>
#include <QDBusReply>
#include <QDebug>
#include <QDBusUnixFileDescriptor>
#include <QDBusObjectPath>
Systemd::Systemd(QObject* parent) : QObject(parent) {
this->systemdManager = new DBusSystemdManager(
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
QDBusConnection::sessionBus(),
this
);
this->logindManager = new DBusLogindManager(
"org.freedesktop.login1",
"/org/freedesktop/login1",
QDBusConnection::systemBus(),
this
);
QDBusReply<QDBusObjectPath> sessionPath = this->logindManager->GetSession("auto");
qDebug() << sessionPath;
this->logindSession = new DBusLogindSession(
"org.freedesktop.login1",
sessionPath.value().path(),
QDBusConnection::systemBus(),
this
);
this->logindSessionProperties = new DBusProperties(
"org.freedesktop.login1",
sessionPath.value().path(),
QDBusConnection::systemBus(),
this
);
QObject::connect(this->logindManager, &DBusLogindManager::PrepareForShutdown, this, &Systemd::shutdown);
QObject::connect(this->logindManager, &DBusLogindManager::PrepareForSleep, this, &Systemd::sleep);
QObject::connect(this->logindSession, &DBusLogindSession::Lock, this, &Systemd::lock);
QObject::connect(this->logindSession, &DBusLogindSession::Unlock, this, &Systemd::unlock);
QObject::connect(this->logindSessionProperties, &DBusProperties::PropertiesChanged, this, &Systemd::onLogindSessionPropertiesChanged);
}
void Systemd::onLogindSessionPropertiesChanged(const QString& interface_name, const QVariantMap& changed_properties, const QStringList& invalidated_properties) {
if (changed_properties.contains("IdleHint") || invalidated_properties.contains("IdleHint"))
emit this->idleHintChanged();
if (changed_properties.contains("LockedHint") || invalidated_properties.contains("LockedHint"))
emit this->lockedHintChanged();
}
void Systemd::stopUserUnit(const QString& unit, const QString& mode) {
this->systemdManager->StopUnit(unit, mode);
}
void Systemd::setBrightness(const QString& subsystem, const QString& name, quint32 brightness) {
this->logindSession->SetBrightness(subsystem, name, brightness);
}
bool Systemd::idleHint() {
return this->logindSession->idleHint();
}
void Systemd::setIdleHint(bool idle) {
this->logindSession->SetIdleHint(idle);
}
bool Systemd::lockedHint() {
return this->logindSession->lockedHint();
}
void Systemd::setLockedHint(bool locked) {
this->logindSession->SetLockedHint(locked);
}
std::string SystemdInhibitorParams::toString(SystemdInhibitorParams::WhatItem what) {
if (what == SystemdInhibitorParams::Shutdown)
return "shutdown";
else if (what == SystemdInhibitorParams::Sleep)
return "sleep";
else if (what == SystemdInhibitorParams::Idle)
return "idle";
else if (what == SystemdInhibitorParams::HandlePowerKey)
return "handle-power-key";
else if (what == SystemdInhibitorParams::HandleSuspendKey)
return "handle-suspend-key";
else if (what == SystemdInhibitorParams::HandleHibernateKey)
return "handle-hibernate-key";
else if (what == SystemdInhibitorParams::HandleLidSwitch)
return "handle-lid-switch";
return "";
}
std::string SystemdInhibitorParams::toString(SystemdInhibitorParams::What what) {
std::ostringstream res;
bool first = true;
for (const WhatItem& item: SystemdInhibitorParams::allWhatItems) {
if (!(what & item))
continue;
if (!first)
res << ":";
else
first = false;
res << SystemdInhibitorParams::toString(item);
}
return res.str();
}
std::string SystemdInhibitorParams::toString(SystemdInhibitorParams::Mode mode) {
if (mode == SystemdInhibitorParams::Block)
return "block";
else if (mode == SystemdInhibitorParams::BlockWeak)
return "block-weak";
else if (mode == SystemdInhibitorParams::Delay)
return "delay";
return "";
}
bool SystemdInhibitor::enabled() const { return static_cast<bool>(this->activeInhibitor); }
void SystemdInhibitor::setEnabled(bool enabled) {
if (enabled)
this->update();
else
this->release();
}
SystemdInhibitorParams::What SystemdInhibitor::what() const { return this->mWhat; }
void SystemdInhibitor::setWhat(SystemdInhibitorParams::What what) {
this->mWhat = what;
this->update();
}
QString SystemdInhibitor::who() const { return this->mWho; }
void SystemdInhibitor::setWho(QString who) {
this->mWho = who;
this->update();
}
QString SystemdInhibitor::why() const { return this->mWhy; }
void SystemdInhibitor::setWhy(QString why) {
this->mWhy = why;
this->update();
}
SystemdInhibitorParams::Mode SystemdInhibitor::mode() const { return this->mMode; }
void SystemdInhibitor::setMode(SystemdInhibitorParams::Mode mode) {
this->mMode = mode;
this->update();
}
SystemdInhibitor::ActiveSystemdInhibitor::ActiveSystemdInhibitor(SystemdInhibitorParams::What what_, QString who_, QString why_, SystemdInhibitorParams::Mode mode_): what(what_), who(who_), why(why_), mode(mode_) {
DBusLogindManager logindManager(
"org.freedesktop.login1",
"/org/freedesktop/login1",
QDBusConnection::systemBus()
);
QDBusReply<QDBusUnixFileDescriptor> fd_ = logindManager.Inhibit(QString::fromStdString(SystemdInhibitorParams::toString(what)), who, why, QString::fromStdString(SystemdInhibitorParams::toString(mode)));
if (fd_.error().isValid())
throw fd_.error();
this->fd = ::dup(fd_.value().fileDescriptor());
}
SystemdInhibitor::ActiveSystemdInhibitor::~ActiveSystemdInhibitor() {
if (this->fd != -1)
::close(this->fd);
}
void SystemdInhibitor::release() {
if (!this->activeInhibitor)
return;
this->activeInhibitor.reset();
emit this->enabledChanged();
}
void SystemdInhibitor::update() {
if (!this->mWhat || this->mWho.isEmpty() || this->mWhy.isEmpty() || !this->mMode)
if (this->activeInhibitor)
this->release();
else
return;
if (this->activeInhibitor && this->mWhat == this->activeInhibitor->what && this->mWho == this->activeInhibitor->who && this->mWhy == this->activeInhibitor->why && this->mMode == this->activeInhibitor->mode)
return;
std::unique_ptr<ActiveSystemdInhibitor> otherInhibitor;
try {
otherInhibitor.reset(new SystemdInhibitor::ActiveSystemdInhibitor(this->mWhat, this->mWho, this->mWhy, this->mMode));
} catch (const QDBusError& err) {
qCritical().noquote()
<< err.name().toStdString() << " " << err.message().toStdString();
return;
}
this->activeInhibitor.swap(otherInhibitor);
if (!otherInhibitor && this->activeInhibitor)
emit this->enabledChanged();
if (otherInhibitor && otherInhibitor->what != this->activeInhibitor->what)
emit this->whatChanged();
if (otherInhibitor && otherInhibitor->who != this->activeInhibitor->who)
emit this->whoChanged();
if (otherInhibitor && otherInhibitor->why != this->activeInhibitor->why)
emit this->whyChanged();
if (otherInhibitor && otherInhibitor->mode != this->activeInhibitor->mode)
emit this->modeChanged();
}
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