0886786bb5
NetJob is now using its own task queue and does not start more than 6 actions at the same time
123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/* Copyright 2013-2014 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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#pragma once
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#include <QtNetwork>
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#include <QLabel>
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#include "NetAction.h"
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#include "ByteArrayDownload.h"
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#include "MD5EtagDownload.h"
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#include "CacheDownload.h"
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#include "HttpMetaCache.h"
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#include "logic/tasks/ProgressProvider.h"
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#include "logic/QObjectPtr.h"
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class NetJob;
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typedef QObjectPtr<NetJob> NetJobPtr;
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class NetJob : public ProgressProvider
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{
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Q_OBJECT
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public:
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explicit NetJob(QString job_name) : ProgressProvider(), m_job_name(job_name) {}
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virtual ~NetJob() {}
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template <typename T> bool addNetAction(T action)
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{
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NetActionPtr base = std::static_pointer_cast<NetAction>(action);
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base->m_index_within_job = downloads.size();
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downloads.append(action);
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part_info pi;
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{
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pi.current_progress = base->currentProgress();
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pi.total_progress = base->totalProgress();
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pi.failures = base->numberOfFailures();
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}
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parts_progress.append(pi);
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total_progress += pi.total_progress;
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// if this is already running, the action needs to be started right away!
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if (isRunning())
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{
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emit progress(current_progress, total_progress);
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connect(base.get(), SIGNAL(succeeded(int)), SLOT(partSucceeded(int)));
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connect(base.get(), SIGNAL(failed(int)), SLOT(partFailed(int)));
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connect(base.get(), SIGNAL(progress(int, qint64, qint64)),
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SLOT(partProgress(int, qint64, qint64)));
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base->start();
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}
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return true;
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}
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NetActionPtr operator[](int index)
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{
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return downloads[index];
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}
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const NetActionPtr at(const int index)
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{
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return downloads.at(index);
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}
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NetActionPtr first()
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{
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if (downloads.size())
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return downloads[0];
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return NetActionPtr();
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}
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int size() const
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{
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return downloads.size();
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}
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virtual bool isRunning() const
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{
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return m_running;
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}
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QStringList getFailedFiles();
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private:
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void startMoreParts();
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signals:
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void started();
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void progress(qint64 current, qint64 total);
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void succeeded();
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void failed();
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public slots:
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virtual void start();
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// FIXME: implement
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virtual void abort() {};
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private slots:
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void partProgress(int index, qint64 bytesReceived, qint64 bytesTotal);
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void partSucceeded(int index);
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void partFailed(int index);
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private:
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struct part_info
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{
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qint64 current_progress = 0;
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qint64 total_progress = 1;
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int failures = 0;
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};
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QString m_job_name;
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QList<NetActionPtr> downloads;
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QList<part_info> parts_progress;
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QQueue<int> m_todo;
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QSet<int> m_doing;
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QSet<int> m_done;
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QSet<int> m_failed;
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qint64 current_progress = 0;
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qint64 total_progress = 0;
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bool m_running = false;
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};
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