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/* Copyright 2013 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.
*/
#include "GameUpdateTask.h"
#include <QtNetwork>
#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QDataStream>
#include <QDebug>
#include "lists/MinecraftVersionList.h"
#include "VersionFactory.h"
#include "OneSixVersion.h"
#include "pathutils.h"
GameUpdateTask::GameUpdateTask(const LoginResponse &response, BaseInstance *inst, QObject *parent) :
Task(parent), m_response(response)
{
m_inst = inst;
m_updateState = StateInit;
}
void GameUpdateTask::executeTask()
{
updateStatus();
// Get a pointer to the version object that corresponds to the instance's version.
//FIXME: HACKERY
// targetVersion = (MinecraftVersion *)MinecraftVersionList::getMainList().findVersion(m_inst->intendedVersion());
if(targetVersion == NULL)
{
//Q_ASSERT_X(targetVersion != NULL, "game update", "instance's intended version is not an actual version");
setState(StateFinished);
emit gameUpdateComplete(m_response);
return;
}
/////////////////////////
// BUILD DOWNLOAD LIST //
/////////////////////////
// Build a list of URLs that will need to be downloaded.
setState(StateDetermineURLs);
QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".json";
auto dljob = DownloadJob::create(QUrl(urlstr));
specificVersionDownloadJob.reset(new JobList());
specificVersionDownloadJob->add(dljob);
connect(specificVersionDownloadJob.data(), SIGNAL(finished()), SLOT(versionFileFinished()));
connect(specificVersionDownloadJob.data(), SIGNAL(failed()), SLOT(versionFileFailed()));
connect(specificVersionDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
download_queue.enqueue(specificVersionDownloadJob);
QEventLoop loop;
loop.exec();
}
void GameUpdateTask::versionFileFinished()
{
JobPtr firstJob = specificVersionDownloadJob->getFirstJob();
auto DlJob = firstJob.dynamicCast<DownloadJob>();
FullVersionFactory parser;
auto version = parser.parse(DlJob->m_data);
if(!version)
{
error(parser.error_string);
exit(0);
}
// save the version file in $instanceId/version.json and versions/$version/$version.json
QString version_id = targetVersion->descriptor();
QString inst_dir = m_inst->rootDir();
QString version1 = PathCombine(inst_dir, "/version.json");
QString version2 = QString("versions/") + version_id + "/" + version_id + ".json";
DownloadJob::ensurePathExists(version1);
DownloadJob::ensurePathExists(version2);
QFile vfile1 (version1);
QFile vfile2 (version2);
vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly );
vfile2.open(QIODevice::Truncate | QIODevice::WriteOnly );
vfile1.write(DlJob->m_data);
vfile2.write(DlJob->m_data);
vfile1.close();
vfile2.close();
// download the right jar, save it in versions/$version/$version.jar
QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".jar";
QString targetstr ("versions/");
targetstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".jar";
auto dljob = DownloadJob::create(QUrl(urlstr), targetstr);
jarlibDownloadJob.reset(new JobList());
jarlibDownloadJob->add(dljob);
connect(jarlibDownloadJob.data(), SIGNAL(finished()), SLOT(jarlibFinished()));
connect(jarlibDownloadJob.data(), SIGNAL(failed()), SLOT(jarlibFailed()));
connect(jarlibDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
// determine and download all the libraries, save them in libraries/whatever...
download_queue.enqueue(jarlibDownloadJob);
}
void GameUpdateTask::jarlibFinished()
{
//FIXME: HACKERY
// m_inst->setCurrentVersion(targetVersion->descriptor());
// m_inst->setShouldUpdate(false);
// m_inst->setIsForNewLauncher(true);
exit(1);
}
void GameUpdateTask::jarlibFailed()
{
error("Failed to download the binary garbage. Try again. Maybe. IF YOU DARE");
exit(0);
}
void GameUpdateTask::versionFileFailed()
{
error("Failed to download the version description. Try again.");
exit(0);
}
int GameUpdateTask::state() const
{
return m_updateState;
}
void GameUpdateTask::setState(int state, bool resetSubStatus)
{
m_updateState = state;
if (resetSubStatus)
setSubStatus("");
else // We only need to update if we're not resetting substatus becasue setSubStatus updates status for us.
updateStatus();
}
QString GameUpdateTask::subStatus() const
{
return m_subStatusMsg;
}
void GameUpdateTask::setSubStatus(const QString &msg)
{
m_subStatusMsg = msg;
updateStatus();
}
QString GameUpdateTask::getStateMessage(int state)
{
switch (state)
{
case StateInit:
return "Initializing";
case StateDetermineURLs:
return "Determining files to download";
case StateDownloadFiles:
return "Downloading files";
case StateInstall:
return "Installing";
case StateFinished:
return "Finished";
default:
return "Downloading instance files";
}
}
void GameUpdateTask::updateStatus()
{
QString newStatus;
newStatus = getStateMessage(state());
if (!subStatus().isEmpty())
newStatus += ": " + subStatus();
else
newStatus += "...";
setStatus(newStatus);
}
void GameUpdateTask::error(const QString &msg)
{
emit gameUpdateError(msg);
}
void GameUpdateTask::updateDownloadProgress(qint64 current, qint64 total)
{
// The progress on the current file is current / total
float currentDLProgress = (float) current / (float) total;
setProgress((int)(currentDLProgress * 100)); // convert to percentage
}
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