mirror of
https://github.com/MultiMC/MultiMC5.git
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128 lines
3.1 KiB
C++
128 lines
3.1 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 <QString>
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#include "logger/QsLog.h"
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#include <QtXml/QtXml>
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#include "OneSixAssets.h"
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#include "net/NetJob.h"
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#include "net/HttpMetaCache.h"
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#include "net/S3ListBucket.h"
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#include "MultiMC.h"
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#define ASSETS_URL "http://resources.download.minecraft.net/"
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class ThreadedDeleter : public QThread
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{
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Q_OBJECT
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public:
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void run()
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{
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QLOG_INFO() << "Cleaning up assets folder...";
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QDirIterator iter(m_base, QDirIterator::Subdirectories);
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int base_length = m_base.length();
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while (iter.hasNext())
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{
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QString filename = iter.next();
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QFileInfo current(filename);
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// we keep the dirs... whatever
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if (current.isDir())
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continue;
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QString trimmedf = filename;
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trimmedf.remove(0, base_length + 1);
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if (m_whitelist.contains(trimmedf))
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{
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QLOG_TRACE() << trimmedf << " gets to live";
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}
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else
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{
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// DO NOT TOLERATE JUNK
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QLOG_TRACE() << trimmedf << " dies";
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QFile f(filename);
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f.remove();
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}
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}
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}
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QString m_base;
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QStringList m_whitelist;
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};
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void OneSixAssets::downloadFinished()
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{
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deleter = new ThreadedDeleter();
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QDir dir("assets");
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deleter->m_base = dir.absolutePath();
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deleter->m_whitelist = nuke_whitelist;
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connect(deleter, SIGNAL(finished()), SIGNAL(finished()));
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deleter->start();
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}
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void OneSixAssets::S3BucketFinished()
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{
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QString prefix(ASSETS_URL);
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nuke_whitelist.clear();
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emit filesStarted();
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auto firstJob = index_job->first();
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auto objectList = std::dynamic_pointer_cast<S3ListBucket>(firstJob)->objects;
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NetJob *job = new NetJob("Assets");
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connect(job, SIGNAL(succeeded()), SLOT(downloadFinished()));
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connect(job, SIGNAL(failed()), SIGNAL(failed()));
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connect(job, SIGNAL(filesProgress(int, int, int)), SIGNAL(filesProgress(int, int, int)));
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auto metacache = MMC->metacache();
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for (auto object : objectList)
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{
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// Filter folder keys (zero size)
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if (object.size == 0)
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continue;
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nuke_whitelist.append(object.Key);
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auto entry = metacache->resolveEntry("assets", object.Key, object.ETag);
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if (entry->stale)
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{
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job->addNetAction(CacheDownload::make(QUrl(prefix + object.Key), entry));
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}
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}
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if (job->size())
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{
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files_job.reset(job);
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files_job->start();
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}
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else
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{
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delete job;
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emit finished();
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}
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}
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void OneSixAssets::start()
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{
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auto job = new NetJob("Assets index");
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job->addNetAction(S3ListBucket::make(QUrl(ASSETS_URL)));
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connect(job, SIGNAL(succeeded()), SLOT(S3BucketFinished()));
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connect(job, SIGNAL(failed()), SIGNAL(failed()));
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emit indexStarted();
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index_job.reset(job);
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job->start();
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}
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#include "OneSixAssets.moc"
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