149 lines
3.7 KiB
C++
149 lines
3.7 KiB
C++
/* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "StatusChecker.h"
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#include <QByteArray>
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#include <QDebug>
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#include <BuildConfig.h>
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StatusChecker::StatusChecker()
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{
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}
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void StatusChecker::timerEvent(QTimerEvent *e)
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{
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QObject::timerEvent(e);
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reloadStatus();
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}
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void StatusChecker::reloadStatus()
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{
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if (isLoadingStatus())
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{
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// qDebug() << "Ignored request to reload status. Currently reloading already.";
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return;
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}
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// qDebug() << "Reloading status.";
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NetJob* job = new NetJob("Status JSON");
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job->addNetAction(Net::Download::makeByteArray(BuildConfig.MOJANG_STATUS_URL, &dataSink));
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QObject::connect(job, &NetJob::succeeded, this, &StatusChecker::statusDownloadFinished);
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QObject::connect(job, &NetJob::failed, this, &StatusChecker::statusDownloadFailed);
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m_statusNetJob.reset(job);
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emit statusLoading(true);
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job->start();
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}
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void StatusChecker::statusDownloadFinished()
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{
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qDebug() << "Finished loading status JSON.";
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m_statusEntries.clear();
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m_statusNetJob.reset();
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QJsonParseError jsonError;
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QJsonDocument jsonDoc = QJsonDocument::fromJson(dataSink, &jsonError);
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if (jsonError.error != QJsonParseError::NoError)
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{
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fail("Error parsing status JSON:" + jsonError.errorString());
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return;
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}
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if (!jsonDoc.isArray())
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{
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fail("Error parsing status JSON: JSON root is not an array");
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return;
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}
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QJsonArray root = jsonDoc.array();
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for(auto status = root.begin(); status != root.end(); ++status)
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{
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QVariantMap map = (*status).toObject().toVariantMap();
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for (QVariantMap::const_iterator iter = map.begin(); iter != map.end(); ++iter)
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{
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QString key = iter.key();
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QVariant value = iter.value();
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if(value.type() == QVariant::Type::String)
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{
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m_statusEntries.insert(key, value.toString());
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//qDebug() << "Status JSON object: " << key << m_statusEntries[key];
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}
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else
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{
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fail("Malformed status JSON: expected status type to be a string.");
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return;
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}
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}
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}
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succeed();
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}
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void StatusChecker::statusDownloadFailed(QString reason)
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{
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fail(tr("Failed to load status JSON:\n%1").arg(reason));
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}
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QMap<QString, QString> StatusChecker::getStatusEntries() const
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{
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return m_statusEntries;
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}
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bool StatusChecker::isLoadingStatus() const
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{
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return m_statusNetJob.get() != nullptr;
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}
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QString StatusChecker::getLastLoadErrorMsg() const
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{
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return m_lastLoadError;
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}
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void StatusChecker::succeed()
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{
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if(m_prevEntries != m_statusEntries)
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{
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emit statusChanged(m_statusEntries);
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m_prevEntries = m_statusEntries;
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}
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m_lastLoadError = "";
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qDebug() << "Status loading succeeded.";
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m_statusNetJob.reset();
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emit statusLoading(false);
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}
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void StatusChecker::fail(const QString& errorMsg)
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{
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if(m_prevEntries != m_statusEntries)
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{
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emit statusChanged(m_statusEntries);
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m_prevEntries = m_statusEntries;
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}
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m_lastLoadError = errorMsg;
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qDebug() << "Failed to load status:" << errorMsg;
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m_statusNetJob.reset();
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emit statusLoading(false);
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}
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