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Diffstat (limited to 'backend/OneSixUpdate.cpp')
| -rw-r--r-- | backend/OneSixUpdate.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/backend/OneSixUpdate.cpp b/backend/OneSixUpdate.cpp new file mode 100644 index 00000000..a344662c --- /dev/null +++ b/backend/OneSixUpdate.cpp @@ -0,0 +1,140 @@ +/* Copyright 2013 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 "OneSixUpdate.h" + +#include <QtNetwork> + +#include <QFile> +#include <QFileInfo> +#include <QTextStream> +#include <QDataStream> + +#include <QDebug> + +#include "BaseInstance.h" +#include "lists/MinecraftVersionList.h" +#include "VersionFactory.h" +#include "OneSixVersion.h" + +#include "pathutils.h" + + +OneSixUpdate::OneSixUpdate(BaseInstance *inst, QObject *parent) : + Task(parent) +{ + m_inst = inst; +} + +void OneSixUpdate::executeTask() +{ + // Get a pointer to the version object that corresponds to the instance's version. + targetVersion = (MinecraftVersion *)MinecraftVersionList::getMainList().findVersion(m_inst->intendedVersionId()); + if(targetVersion == NULL) + { + emit gameUpdateComplete(); + return; + } + + setStatus("Getting the version files from Mojang."); + + QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/"); + urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".json"; + auto dljob = DownloadJob::create(QUrl(urlstr)); + specificVersionDownloadJob.reset(new JobList()); + specificVersionDownloadJob->add(dljob); + connect(specificVersionDownloadJob.data(), SIGNAL(finished()), SLOT(versionFileFinished())); + connect(specificVersionDownloadJob.data(), SIGNAL(failed()), SLOT(versionFileFailed())); + connect(specificVersionDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64))); + download_queue.enqueue(specificVersionDownloadJob); + + QEventLoop loop; + loop.exec(); +} + +void OneSixUpdate::versionFileFinished() +{ + JobPtr firstJob = specificVersionDownloadJob->getFirstJob(); + auto DlJob = firstJob.dynamicCast<DownloadJob>(); + FullVersionFactory parser; + auto version = parser.parse(DlJob->m_data); + + if(!version) + { + error(parser.error_string); + exit(0); + } + + // save the version file in $instanceId/version.json and versions/$version/$version.json + QString version_id = targetVersion->descriptor(); + QString inst_dir = m_inst->rootDir(); + QString version1 = PathCombine(inst_dir, "/version.json"); + QString version2 = QString("versions/") + version_id + "/" + version_id + ".json"; + DownloadJob::ensurePathExists(version1); + DownloadJob::ensurePathExists(version2); + QFile vfile1 (version1); + QFile vfile2 (version2); + vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly ); + vfile2.open(QIODevice::Truncate | QIODevice::WriteOnly ); + vfile1.write(DlJob->m_data); + vfile2.write(DlJob->m_data); + vfile1.close(); + vfile2.close(); + + // download the right jar, save it in versions/$version/$version.jar + QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/"); + urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".jar"; + QString targetstr ("versions/"); + targetstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".jar"; + auto dljob = DownloadJob::create(QUrl(urlstr), targetstr); + + jarlibDownloadJob.reset(new JobList()); + jarlibDownloadJob->add(dljob); + connect(jarlibDownloadJob.data(), SIGNAL(finished()), SLOT(jarlibFinished())); + connect(jarlibDownloadJob.data(), SIGNAL(failed()), SLOT(jarlibFailed())); + connect(jarlibDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64))); + // determine and download all the libraries, save them in libraries/whatever... + download_queue.enqueue(jarlibDownloadJob); +} + +void OneSixUpdate::jarlibFinished() +{ + exit(1); +} + +void OneSixUpdate::jarlibFailed() +{ + error("Failed to download the binary garbage. Try again. Maybe. IF YOU DARE"); + exit(0); +} + +void OneSixUpdate::versionFileFailed() +{ + error("Failed to download the version description. Try again."); + exit(0); +} + +void OneSixUpdate::error(const QString &msg) +{ + emit gameUpdateError(msg); +} + +void OneSixUpdate::updateDownloadProgress(qint64 current, qint64 total) +{ + // The progress on the current file is current / total + float currentDLProgress = (float) current / (float) total; + setProgress((int)(currentDLProgress * 100)); // convert to percentage +} + |