pollymc/logic/OneSixUpdate.cpp
Petr Mrázek 088b039cf7 Detect java bitness on launch, use appropriate libraries
Fixes problems with latest snapshot
2013-11-25 00:46:52 +01:00

311 lines
9.0 KiB
C++

/* 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 "MultiMC.h"
#include "OneSixUpdate.h"
#include <QtNetwork>
#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QDataStream>
#include "BaseInstance.h"
#include "lists/MinecraftVersionList.h"
#include "OneSixVersion.h"
#include "OneSixLibrary.h"
#include "OneSixInstance.h"
#include "net/ForgeMirrors.h"
#include "pathutils.h"
#include <JlCompress.h>
OneSixUpdate::OneSixUpdate(BaseInstance *inst, bool prepare_for_launch, QObject *parent)
: Task(parent), m_inst(inst), m_prepare_for_launch(prepare_for_launch)
{
}
void OneSixUpdate::executeTask()
{
QString intendedVersion = m_inst->intendedVersionId();
// Make directories
QDir mcDir(m_inst->minecraftRoot());
if (!mcDir.exists() && !mcDir.mkpath("."))
{
emitFailed("Failed to create bin folder.");
return;
}
if (m_inst->shouldUpdate())
{
// Get a pointer to the version object that corresponds to the instance's version.
targetVersion = std::dynamic_pointer_cast<MinecraftVersion>(
MMC->minecraftlist()->findVersion(intendedVersion));
if (targetVersion == nullptr)
{
// don't do anything if it was invalid
emitFailed("The specified Minecraft version is invalid. Choose a different one.");
return;
}
versionFileStart();
}
else
{
checkJava();
}
}
void OneSixUpdate::checkJava()
{
QLOG_INFO() << m_inst->name() << ": checking java binary";
setStatus("Testing the Java installation.");
// TODO: cache this so we don't have to run an extra java process every time.
QString java_path = m_inst->settings().get("JavaPath").toString();
checker.reset(new JavaChecker());
connect(checker.get(), SIGNAL(checkFinished(JavaCheckResult)), this,
SLOT(checkFinished(JavaCheckResult)));
checker->performCheck(java_path);
}
void OneSixUpdate::checkFinished(JavaCheckResult result)
{
if (result.valid)
{
QLOG_INFO() << m_inst->name() << ": java is "
<< (result.is_64bit ? "64 bit" : "32 bit");
java_is_64bit = result.is_64bit;
jarlibStart();
}
else
{
QLOG_INFO() << m_inst->name() << ": java isn't valid";
emitFailed("The java binary doesn't work. Check the settings and correct the problem");
}
}
void OneSixUpdate::versionFileStart()
{
QLOG_INFO() << m_inst->name() << ": getting version file.";
setStatus("Getting the version files from Mojang.");
QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".json";
auto job = new NetJob("Version index");
job->addNetAction(ByteArrayDownload::make(QUrl(urlstr)));
specificVersionDownloadJob.reset(job);
connect(specificVersionDownloadJob.get(), SIGNAL(succeeded()), SLOT(versionFileFinished()));
connect(specificVersionDownloadJob.get(), SIGNAL(failed()), SLOT(versionFileFailed()));
connect(specificVersionDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
specificVersionDownloadJob->start();
}
void OneSixUpdate::versionFileFinished()
{
NetActionPtr DlJob = specificVersionDownloadJob->first();
OneSixInstance *inst = (OneSixInstance *)m_inst;
QString version_id = targetVersion->descriptor();
QString inst_dir = m_inst->instanceRoot();
// save the version file in $instanceId/version.json
{
QString version1 = PathCombine(inst_dir, "/version.json");
ensureFilePathExists(version1);
// FIXME: detect errors here, download to a temp file, swap
QSaveFile vfile1(version1);
if (!vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly))
{
emitFailed("Can't open " + version1 + " for writing.");
return;
}
auto data = std::dynamic_pointer_cast<ByteArrayDownload>(DlJob)->m_data;
qint64 actual = 0;
if ((actual = vfile1.write(data)) != data.size())
{
emitFailed("Failed to write into " + version1 + ". Written " + actual + " out of " +
data.size() + '.');
return;
}
if (!vfile1.commit())
{
emitFailed("Can't commit changes to " + version1);
return;
}
}
// the version is downloaded safely. update is 'done' at this point
m_inst->setShouldUpdate(false);
// delete any custom version inside the instance (it's no longer relevant, we did an update)
QString custom = PathCombine(inst_dir, "/custom.json");
QFile finfo(custom);
if (finfo.exists())
{
finfo.remove();
}
inst->reloadFullVersion();
checkJava();
}
void OneSixUpdate::versionFileFailed()
{
emitFailed("Failed to download the version description. Try again.");
}
void OneSixUpdate::jarlibStart()
{
setStatus("Getting the library files from Mojang.");
QLOG_INFO() << m_inst->name() << ": downloading libraries";
OneSixInstance *inst = (OneSixInstance *)m_inst;
bool successful = inst->reloadFullVersion();
if (!successful)
{
emitFailed("Failed to load the version description file. It might be "
"corrupted, missing or simply too new.");
return;
}
std::shared_ptr<OneSixVersion> version = inst->getFullVersion();
// download the right jar, save it in versions/$version/$version.jar
QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
urlstr += version->id + "/" + version->id + ".jar";
QString targetstr("versions/");
targetstr += version->id + "/" + version->id + ".jar";
auto job = new NetJob("Libraries for instance " + inst->name());
job->addNetAction(FileDownload::make(QUrl(urlstr), targetstr));
jarlibDownloadJob.reset(job);
auto libs = version->getActiveNativeLibs();
libs.append(version->getActiveNormalLibs());
auto metacache = MMC->metacache();
QList<ForgeXzDownloadPtr> ForgeLibs;
bool already_forge_xz = false;
for (auto lib : libs)
{
if (lib->hint() == "local")
continue;
QString subst = java_is_64bit ? "64" : "32";
QString storage = lib->storagePath();
QString dl = lib->downloadUrl();
storage.replace("${arch}", subst);
dl.replace("${arch}", subst);
auto entry = metacache->resolveEntry("libraries", storage);
if (entry->stale)
{
if (lib->hint() == "forge-pack-xz")
{
ForgeLibs.append(ForgeXzDownload::make(storage, entry));
}
else
{
jarlibDownloadJob->addNetAction(CacheDownload::make(dl, entry));
}
}
}
// TODO: think about how to propagate this from the original json file... or IF AT ALL
QString forgeMirrorList = "http://files.minecraftforge.net/mirror-brand.list";
if (!ForgeLibs.empty())
{
jarlibDownloadJob->addNetAction(
ForgeMirrors::make(ForgeLibs, jarlibDownloadJob, forgeMirrorList));
}
connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(jarlibFinished()));
connect(jarlibDownloadJob.get(), SIGNAL(failed()), SLOT(jarlibFailed()));
connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
jarlibDownloadJob->start();
}
void OneSixUpdate::jarlibFinished()
{
if (m_prepare_for_launch)
prepareForLaunch();
else
emitSucceeded();
}
void OneSixUpdate::jarlibFailed()
{
QStringList failed = jarlibDownloadJob->getFailedFiles();
QString failed_all = failed.join("\n");
emitFailed("Failed to download the following files:\n" + failed_all +
"\n\nPlease try again.");
}
void OneSixUpdate::prepareForLaunch()
{
setStatus("Preparing for launch.");
QLOG_INFO() << m_inst->name() << ": preparing for launch";
auto onesix_inst = (OneSixInstance *)m_inst;
// delete any leftovers, if they are present.
onesix_inst->cleanupAfterRun();
// Acquire swag
QString natives_dir_raw = PathCombine(onesix_inst->instanceRoot(), "natives/");
auto version = onesix_inst->getFullVersion();
if (!version)
{
emitFailed("The version information for this instance is not complete. Try re-creating "
"it or changing the version.");
return;
}
auto libs_to_extract = version->getActiveNativeLibs();
// Acquire bag
bool success = ensureFolderPathExists(natives_dir_raw);
if (!success)
{
emitFailed("Could not create the native library folder:\n" + natives_dir_raw +
"\nMake sure MultiMC has appropriate permissions and there is enough space "
"on the storage device.");
return;
}
// Put swag in the bag
QString subst = java_is_64bit ? "64" : "32";
for (auto lib : libs_to_extract)
{
QString storage = lib->storagePath();
storage.replace("${arch}", subst);
QString path = "libraries/" + storage;
QLOG_INFO() << "Will extract " << path.toLocal8Bit();
if (JlCompress::extractWithExceptions(path, natives_dir_raw, lib->extract_excludes)
.isEmpty())
{
emitFailed(
"Could not extract the native library:\n" + path +
"\nMake sure MultiMC has appropriate permissions and there is enough space "
"on the storage device.");
return;
}
}
// Show them your war face!
emitSucceeded();
}