Many refactors of the task system. Progress dialog now accepts generic ProgressProvider objects
189 lines
5.4 KiB
C++
189 lines
5.4 KiB
C++
/* Copyright 2013 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 "MultiMC.h"
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#include "OneSixUpdate.h"
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#include <QtNetwork>
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#include <QFile>
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#include <QFileInfo>
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#include <QTextStream>
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#include <QDataStream>
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#include <QDebug>
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#include "BaseInstance.h"
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#include "lists/MinecraftVersionList.h"
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#include "VersionFactory.h"
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#include "OneSixVersion.h"
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#include "OneSixLibrary.h"
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#include "OneSixInstance.h"
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#include "pathutils.h"
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OneSixUpdate::OneSixUpdate(BaseInstance *inst, QObject *parent):BaseUpdate(inst, parent){}
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void OneSixUpdate::executeTask()
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{
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QString intendedVersion = m_inst->intendedVersionId();
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// Make directories
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QDir mcDir(m_inst->minecraftRoot());
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if (!mcDir.exists() && !mcDir.mkpath("."))
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{
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emitFailed("Failed to create bin folder.");
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return;
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}
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// Get a pointer to the version object that corresponds to the instance's version.
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targetVersion = MMC->minecraftlist()->findVersion(intendedVersion).dynamicCast<MinecraftVersion>();
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if(targetVersion == nullptr)
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{
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// don't do anything if it was invalid
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emitSucceeded();
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return;
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}
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if(m_inst->shouldUpdate())
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{
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versionFileStart();
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}
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else
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{
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jarlibStart();
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}
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}
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void OneSixUpdate::versionFileStart()
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{
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setStatus("Getting the version files from Mojang.");
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QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
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urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".json";
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auto job = new DownloadJob("Version index");
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job->add(QUrl(urlstr));
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specificVersionDownloadJob.reset(job);
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connect(specificVersionDownloadJob.data(), SIGNAL(succeeded()), SLOT(versionFileFinished()));
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connect(specificVersionDownloadJob.data(), SIGNAL(failed()), SLOT(versionFileFailed()));
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connect(specificVersionDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SIGNAL(progress(qint64,qint64)));
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specificVersionDownloadJob->start();
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}
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void OneSixUpdate::versionFileFinished()
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{
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DownloadPtr DlJob = specificVersionDownloadJob->first();
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OneSixInstance * inst = (OneSixInstance *) m_inst;
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QString version_id = targetVersion->descriptor();
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QString inst_dir = m_inst->instanceRoot();
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// save the version file in $instanceId/version.json
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{
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QString version1 = PathCombine(inst_dir, "/version.json");
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ensureFilePathExists(version1);
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// FIXME: detect errors here, download to a temp file, swap
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QSaveFile vfile1 (version1);
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if(!vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly ))
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{
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emitFailed("Can't open " + version1 + " for writing.");
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return;
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}
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auto data = DlJob.dynamicCast<ByteArrayDownload>()->m_data;
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qint64 actual = 0;
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if((actual = vfile1.write(data)) != data.size())
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{
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emitFailed("Failed to write into " + version1 + ". Written " + actual + " out of " + data.size() + '.');
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return;
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}
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if(!vfile1.commit())
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{
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emitFailed("Can't commit changes to " + version1);
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return;
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}
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}
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// the version is downloaded safely. update is 'done' at this point
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m_inst->setShouldUpdate(false);
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// delete any custom version inside the instance (it's no longer relevant, we did an update)
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QString custom = PathCombine(inst_dir, "/custom.json");
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QFile finfo(custom);
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if(finfo.exists())
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{
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finfo.remove();
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}
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inst->reloadFullVersion();
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jarlibStart();
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}
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void OneSixUpdate::versionFileFailed()
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{
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emitFailed("Failed to download the version description. Try again.");
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}
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void OneSixUpdate::jarlibStart()
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{
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OneSixInstance * inst = (OneSixInstance *) m_inst;
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bool successful = inst->reloadFullVersion();
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if(!successful)
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{
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emitFailed("Failed to load the version description file (version.json). It might be corrupted, missing or simply too new.");
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return;
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}
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QSharedPointer<OneSixVersion> version = inst->getFullVersion();
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// download the right jar, save it in versions/$version/$version.jar
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QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
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urlstr += version->id + "/" + version->id + ".jar";
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QString targetstr ("versions/");
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targetstr += version->id + "/" + version->id + ".jar";
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auto job = new DownloadJob("Libraries for instance " + inst->name());
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job->add(QUrl(urlstr), targetstr);
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jarlibDownloadJob.reset(job);
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auto libs = version->getActiveNativeLibs();
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libs.append(version->getActiveNormalLibs());
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auto metacache = MMC->metacache();
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for(auto lib: libs)
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{
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QString download_path = lib->downloadPath();
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auto entry = metacache->resolveEntry("libraries", lib->storagePath());
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if(entry->stale)
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{
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jarlibDownloadJob->add(download_path, entry);
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}
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}
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connect(jarlibDownloadJob.data(), SIGNAL(succeeded()), SLOT(jarlibFinished()));
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connect(jarlibDownloadJob.data(), SIGNAL(failed()), SLOT(jarlibFailed()));
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connect(jarlibDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SIGNAL(progress(qint64,qint64)));
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jarlibDownloadJob->start();
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}
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void OneSixUpdate::jarlibFinished()
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{
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emitSucceeded();
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}
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void OneSixUpdate::jarlibFailed()
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{
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emitFailed("Failed to download the binary garbage. Try again. Maybe. IF YOU DARE");
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}
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