mirror of
https://github.com/MultiMC/MultiMC5.git
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182 lines
4.7 KiB
C++
182 lines
4.7 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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#include "MinecraftUpdate.h"
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#include "MinecraftInstance.h"
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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 "BaseInstance.h"
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#include "minecraft/PackProfile.h"
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#include "minecraft/Library.h"
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#include <FileSystem.h>
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#include "update/FoldersTask.h"
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#include "update/LibrariesTask.h"
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#include "update/FMLLibrariesTask.h"
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#include "update/AssetUpdateTask.h"
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#include <meta/Index.h>
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#include <meta/Version.h>
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MinecraftUpdate::MinecraftUpdate(MinecraftInstance *inst, QObject *parent) : Task(parent), m_inst(inst)
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{
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}
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void MinecraftUpdate::executeTask()
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{
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m_tasks.clear();
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// create folders
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{
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m_tasks.append(std::make_shared<FoldersTask>(m_inst));
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}
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// add metadata update task if necessary
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{
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auto components = m_inst->getPackProfile();
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components->reload(Net::Mode::Online);
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auto task = components->getCurrentTask();
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if(task)
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{
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m_tasks.append(task.unwrap());
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}
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}
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// libraries download
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{
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m_tasks.append(std::make_shared<LibrariesTask>(m_inst));
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}
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// FML libraries download and copy into the instance
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{
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m_tasks.append(std::make_shared<FMLLibrariesTask>(m_inst));
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}
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// assets update
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{
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m_tasks.append(std::make_shared<AssetUpdateTask>(m_inst));
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}
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if(!m_preFailure.isEmpty())
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{
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emitFailed(m_preFailure);
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return;
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}
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next();
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}
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void MinecraftUpdate::next()
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{
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if(m_abort)
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{
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emitFailed(tr("Aborted by user."));
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return;
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}
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if(m_failed_out_of_order)
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{
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emitFailed(m_fail_reason);
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return;
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}
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m_currentTask ++;
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if(m_currentTask > 0)
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{
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auto task = m_tasks[m_currentTask - 1];
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disconnect(task.get(), &Task::succeeded, this, &MinecraftUpdate::subtaskSucceeded);
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disconnect(task.get(), &Task::failed, this, &MinecraftUpdate::subtaskFailed);
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disconnect(task.get(), &Task::progress, this, &MinecraftUpdate::progress);
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disconnect(task.get(), &Task::status, this, &MinecraftUpdate::setStatus);
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}
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if(m_currentTask == m_tasks.size())
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{
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emitSucceeded();
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return;
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}
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auto task = m_tasks[m_currentTask];
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// if the task is already finished by the time we look at it, skip it
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if(task->isFinished())
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{
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qCritical() << "MinecraftUpdate: Skipping finished subtask" << m_currentTask << ":" << task.get();
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next();
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}
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connect(task.get(), &Task::succeeded, this, &MinecraftUpdate::subtaskSucceeded);
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connect(task.get(), &Task::failed, this, &MinecraftUpdate::subtaskFailed);
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connect(task.get(), &Task::progress, this, &MinecraftUpdate::progress);
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connect(task.get(), &Task::status, this, &MinecraftUpdate::setStatus);
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// if the task is already running, do not start it again
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if(!task->isRunning())
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{
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task->start();
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}
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}
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void MinecraftUpdate::subtaskSucceeded()
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{
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if(isFinished())
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{
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qCritical() << "MinecraftUpdate: Subtask" << sender() << "succeeded, but work was already done!";
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return;
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}
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auto senderTask = QObject::sender();
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auto currentTask = m_tasks[m_currentTask].get();
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if(senderTask != currentTask)
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{
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qDebug() << "MinecraftUpdate: Subtask" << sender() << "succeeded out of order.";
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return;
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}
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next();
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}
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void MinecraftUpdate::subtaskFailed(QString error)
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{
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if(isFinished())
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{
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qCritical() << "MinecraftUpdate: Subtask" << sender() << "failed, but work was already done!";
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return;
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}
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auto senderTask = QObject::sender();
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auto currentTask = m_tasks[m_currentTask].get();
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if(senderTask != currentTask)
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{
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qDebug() << "MinecraftUpdate: Subtask" << sender() << "failed out of order.";
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m_failed_out_of_order = true;
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m_fail_reason = error;
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return;
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}
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emitFailed(error);
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}
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bool MinecraftUpdate::abort()
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{
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if(!m_abort)
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{
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m_abort = true;
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auto task = m_tasks[m_currentTask];
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if(task->canAbort())
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{
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return task->abort();
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}
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}
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return true;
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}
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bool MinecraftUpdate::canAbort() const
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{
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return true;
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}
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