pollymc/launcher/net/NetJob.h

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/* Copyright 2013-2021 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.
*/
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#pragma once
#include <QtNetwork>
#include "NetAction.h"
#include "Download.h"
#include "HttpMetaCache.h"
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#include "tasks/Task.h"
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#include "QObjectPtr.h"
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class NetJob;
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class NetJob : public Task
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{
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Q_OBJECT
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public:
using Ptr = shared_qobject_ptr<NetJob>;
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explicit NetJob(QString job_name) : Task()
{
setObjectName(job_name);
}
virtual ~NetJob();
bool addNetAction(NetAction::Ptr action);
NetAction::Ptr operator[](int index)
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{
return downloads[index];
}
const NetAction::Ptr at(const int index)
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{
return downloads.at(index);
}
NetAction::Ptr first()
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{
if (downloads.size())
return downloads[0];
return NetAction::Ptr();
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}
int size() const
{
return downloads.size();
}
QStringList getFailedFiles();
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bool canAbort() const override;
private slots:
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void startMoreParts();
public slots:
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virtual void executeTask() override;
virtual bool abort() override;
virtual void start(shared_qobject_ptr<QNetworkAccessManager> network) {
m_network = network;
start();
}
protected slots:
void start() override {
if(!m_network) {
throw "Missing network while trying to start " + objectName();
return;
}
Task::start();
}
private slots:
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void partProgress(int index, qint64 bytesReceived, qint64 bytesTotal);
void partSucceeded(int index);
void partFailed(int index);
void partAborted(int index);
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private:
shared_qobject_ptr<QNetworkAccessManager> m_network;
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struct part_info
{
qint64 current_progress = 0;
qint64 total_progress = 1;
int failures = 0;
};
QList<NetAction::Ptr> downloads;
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QList<part_info> parts_progress;
QQueue<int> m_todo;
QSet<int> m_doing;
QSet<int> m_done;
QSet<int> m_failed;
qint64 m_current_progress = 0;
bool m_aborted = false;
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};