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/* Copyright 2013-2019 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "StatusChecker.h"
#include <net/URLConstants.h>
#include <QByteArray>
#include <QDebug>
StatusChecker::StatusChecker()
{
}
void StatusChecker::timerEvent(QTimerEvent *e)
{
QObject::timerEvent(e);
reloadStatus();
}
void StatusChecker::reloadStatus()
{
if (isLoadingStatus())
{
// qDebug() << "Ignored request to reload status. Currently reloading already.";
return;
}
// qDebug() << "Reloading status.";
NetJob* job = new NetJob("Status JSON");
job->addNetAction(Net::Download::makeByteArray(URLConstants::MOJANG_STATUS_URL, &dataSink));
QObject::connect(job, &NetJob::succeeded, this, &StatusChecker::statusDownloadFinished);
QObject::connect(job, &NetJob::failed, this, &StatusChecker::statusDownloadFailed);
m_statusNetJob.reset(job);
emit statusLoading(true);
job->start();
}
void StatusChecker::statusDownloadFinished()
{
qDebug() << "Finished loading status JSON.";
m_statusEntries.clear();
m_statusNetJob.reset();
QJsonParseError jsonError;
QJsonDocument jsonDoc = QJsonDocument::fromJson(dataSink, &jsonError);
if (jsonError.error != QJsonParseError::NoError)
{
fail("Error parsing status JSON:" + jsonError.errorString());
return;
}
if (!jsonDoc.isArray())
{
fail("Error parsing status JSON: JSON root is not an array");
return;
}
QJsonArray root = jsonDoc.array();
for(auto status = root.begin(); status != root.end(); ++status)
{
QVariantMap map = (*status).toObject().toVariantMap();
for (QVariantMap::const_iterator iter = map.begin(); iter != map.end(); ++iter)
{
QString key = iter.key();
QVariant value = iter.value();
if(value.type() == QVariant::Type::String)
{
m_statusEntries.insert(key, value.toString());
//qDebug() << "Status JSON object: " << key << m_statusEntries[key];
}
else
{
fail("Malformed status JSON: expected status type to be a string.");
return;
}
}
}
succeed();
}
void StatusChecker::statusDownloadFailed(QString reason)
{
fail(tr("Failed to load status JSON:\n%1").arg(reason));
}
QMap<QString, QString> StatusChecker::getStatusEntries() const
{
return m_statusEntries;
}
bool StatusChecker::isLoadingStatus() const
{
return m_statusNetJob.get() != nullptr;
}
QString StatusChecker::getLastLoadErrorMsg() const
{
return m_lastLoadError;
}
void StatusChecker::succeed()
{
if(m_prevEntries != m_statusEntries)
{
emit statusChanged(m_statusEntries);
m_prevEntries = m_statusEntries;
}
m_lastLoadError = "";
qDebug() << "Status loading succeeded.";
m_statusNetJob.reset();
emit statusLoading(false);
}
void StatusChecker::fail(const QString& errorMsg)
{
if(m_prevEntries != m_statusEntries)
{
emit statusChanged(m_statusEntries);
m_prevEntries = m_statusEntries;
}
m_lastLoadError = errorMsg;
qDebug() << "Failed to load status:" << errorMsg;
m_statusNetJob.reset();
emit statusLoading(false);
}
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