mirror of
https://github.com/MultiMC/MultiMC5.git
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100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/* Copyright 2013-2021 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 "tasks/Task.h"
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#include "net/NetJob.h"
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#include "GoUpdate.h"
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namespace GoUpdate
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{
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/*!
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* The DownloadTask is a task that takes a given version ID and repository URL,
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* downloads that version's files from the repository, and prepares to install them.
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*/
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class DownloadTask : public Task
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{
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Q_OBJECT
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public:
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/**
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* Create a download task
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*
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* target is a template - XXXXXX at the end will be replaced with a random generated string, ensuring uniqueness
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*/
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explicit DownloadTask(shared_qobject_ptr<QNetworkAccessManager> network, Status status, QString target, QObject* parent = 0);
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virtual ~DownloadTask() {};
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/// Get the directory that will contain the update files.
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QString updateFilesDir();
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/// Get the list of operations that should be done
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OperationList operations();
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/// set updater download behavior
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void setUseLocalUpdater(bool useLocal);
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protected:
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//! Entry point for tasks.
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virtual void executeTask() override;
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/*!
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* Downloads the version info files from the repository.
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* The files for both the current build, and the build that we're updating to need to be downloaded.
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* If the current version's info file can't be found, MultiMC will not delete files that
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* were removed between versions. It will still replace files that have changed, however.
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* Note that although the repository URL for the current version is not given to the update task,
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* the task will attempt to look it up in the UpdateChecker's channel list.
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* If an error occurs here, the function will call emitFailed and return false.
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*/
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void loadVersionInfo();
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NetJob::Ptr m_vinfoNetJob;
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QByteArray currentVersionFileListData;
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QByteArray newVersionFileListData;
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Net::Download::Ptr m_currentVersionFileListDownload;
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Net::Download::Ptr m_newVersionFileListDownload;
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NetJob::Ptr m_filesNetJob;
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Status m_status;
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OperationList m_operations;
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/*!
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* Temporary directory to store update files in.
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* This will be set to not auto delete. Task will fail if this fails to be created.
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*/
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QTemporaryDir m_updateFilesDir;
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protected slots:
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/*!
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* This function is called when version information is finished downloading
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* and at least the new file list download succeeded
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*/
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void processDownloadedVersionInfo();
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void vinfoDownloadFailed();
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void fileDownloadFinished();
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void fileDownloadFailed(QString reason);
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void fileDownloadProgressChanged(qint64 current, qint64 total);
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private:
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shared_qobject_ptr<QNetworkAccessManager> m_network;
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};
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}
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