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/*
* Copyright (C) 2015 Christian Mollekopf <chrigi_1@fastmail.fm>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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 6 of version 3 of the license.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "resourcecontrol.h"
#include <QTime>
#include <functional>
#include "resourceaccess.h"
#include "resourceconfig.h"
#include "commands.h"
#include "log.h"
#include "notifier.h"
#include "utils.h"
namespace Sink {
KAsync::Job<void> ResourceControl::shutdown(const QByteArray &identifier)
{
SinkTrace() << "shutdown " << identifier;
auto time = QSharedPointer<QTime>::create();
time->start();
auto resourceAccess = ResourceAccessFactory::instance().getAccess(identifier, ResourceConfig::getResourceType(identifier));
return resourceAccess->shutdown()
.addToContext(resourceAccess)
.then<void>([resourceAccess, time](KAsync::Future<void> &future) {
SinkTrace() << "Shutdown command complete, waiting for shutdown." << Log::TraceTime(time->elapsed());
if (!resourceAccess->isReady()) {
future.setFinished();
return;
}
auto guard = new QObject;
QObject::connect(resourceAccess.data(), &ResourceAccess::ready, guard, [&future, guard](bool ready) {
if (!ready) {
//Protect against callback getting called twice.
delete guard;
future.setFinished();
}
});
}).then([time] {
SinkTrace() << "Shutdown complete." << Log::TraceTime(time->elapsed());
});
}
KAsync::Job<void> ResourceControl::start(const QByteArray &identifier)
{
SinkTrace() << "start " << identifier;
auto time = QSharedPointer<QTime>::create();
time->start();
auto resourceAccess = ResourceAccessFactory::instance().getAccess(identifier, ResourceConfig::getResourceType(identifier));
resourceAccess->open();
return resourceAccess->sendCommand(Sink::Commands::PingCommand).addToContext(resourceAccess).then([time]() { SinkTrace() << "Start complete." << Log::TraceTime(time->elapsed()); });
}
KAsync::Job<void> ResourceControl::flushMessageQueue(const QByteArrayList &resourceIdentifier)
{
SinkTrace() << "flushMessageQueue" << resourceIdentifier;
return KAsync::value(resourceIdentifier)
.template each([](const QByteArray &resource) {
return flushMessageQueue(resource);
});
}
KAsync::Job<void> ResourceControl::flushMessageQueue(const QByteArray &resourceIdentifier)
{
return flush(Flush::FlushUserQueue, resourceIdentifier).then(flush(Flush::FlushSynchronization, resourceIdentifier));
}
KAsync::Job<void> ResourceControl::flush(Flush::FlushType type, const QByteArray &resourceIdentifier)
{
auto resourceAccess = ResourceAccessFactory::instance().getAccess(resourceIdentifier, ResourceConfig::getResourceType(resourceIdentifier));
auto notifier = QSharedPointer<Sink::Notifier>::create(resourceAccess);
auto id = createUuid();
return KAsync::start<void>([=](KAsync::Future<void> &future) {
SinkTrace() << "Waiting for flush completion notification " << id;
notifier->registerHandler([&future, id](const Notification ¬ification) {
SinkTrace() << "Received notification: " << notification.type << notification.id;
if (notification.type == Notification::Error && notification.code == ApplicationDomain::ResourceCrashedError) {
SinkWarning() << "Error during flush";
future.setError(-1, "Error during flush: " + notification.message);
} else if (notification.id == id) {
SinkTrace() << "FlushComplete";
if (notification.code) {
SinkWarning() << "Flush returned an error";
future.setError(-1, "Flush returned an error: " + notification.message);
} else {
future.setFinished();
}
}
});
resourceAccess->sendFlushCommand(type, id).onError([&future] (const KAsync::Error &error) {
SinkWarning() << "Failed to send command";
future.setError(1, "Failed to send command: " + error.errorMessage);
}).exec();
});
}
KAsync::Job<void> ResourceControl::flushReplayQueue(const QByteArrayList &resourceIdentifier)
{
return KAsync::value(resourceIdentifier)
.template each([](const QByteArray &resource) {
return flushReplayQueue(resource);
});
}
KAsync::Job<void> ResourceControl::flushReplayQueue(const QByteArray &resourceIdentifier)
{
return flush(Flush::FlushReplayQueue, resourceIdentifier);
}
template <class DomainType>
KAsync::Job<void> ResourceControl::inspect(const Inspection &inspectionCommand)
{
auto resourceIdentifier = inspectionCommand.resourceIdentifier;
auto resourceAccess = ResourceAccessFactory::instance().getAccess(resourceIdentifier, ResourceConfig::getResourceType(resourceIdentifier));
auto notifier = QSharedPointer<Sink::Notifier>::create(resourceAccess);
auto id = createUuid();
return KAsync::start<void>([=](KAsync::Future<void> &future) {
notifier->registerHandler([&future, id](const Notification ¬ification) {
if (notification.id == id) {
SinkTrace() << "Inspection complete";
if (notification.code) {
SinkWarning() << "Inspection returned an error";
future.setError(-1, "Inspection returned an error: " + notification.message);
} else {
future.setFinished();
}
}
});
resourceAccess->sendInspectionCommand(inspectionCommand.type, id, ApplicationDomain::getTypeName<DomainType>(), inspectionCommand.entityIdentifier, inspectionCommand.property, inspectionCommand.expectedValue).onError([&future] (const KAsync::Error &error) {
SinkWarning() << "Failed to send command";
future.setError(1, "Failed to send command: " + error.errorMessage);
}).exec();
});
}
#define REGISTER_TYPE(T) template KAsync::Job<void> ResourceControl::inspect<T>(const Inspection &);
SINK_REGISTER_TYPES()
} // namespace Sink
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