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-rw-r--r--api/logic/status/StatusChecker.cpp153
1 files changed, 153 insertions, 0 deletions
diff --git a/api/logic/status/StatusChecker.cpp b/api/logic/status/StatusChecker.cpp
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+++ b/api/logic/status/StatusChecker.cpp
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+/* Copyright 2013-2015 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(ByteArrayDownload::make(URLConstants::MOJANG_STATUS_URL));
+ 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();
+ QByteArray data;
+ {
+ ByteArrayDownloadPtr dl = std::dynamic_pointer_cast<ByteArrayDownload>(m_statusNetJob->first());
+ data = dl->m_data;
+ m_statusNetJob.reset();
+ }
+
+ QJsonParseError jsonError;
+ QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &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);
+}
+