PrismLauncher/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
2022-01-31 21:40:59 +01:00

785 lines
26 KiB
C++

/*
* Copyright 2020-2021 Jamie Mansfield <jmansfield@cadixdev.org>
* Copyright 2021 Petr Mrazek <peterix@gmail.com>
*
* 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 "ATLPackInstallTask.h"
#include <QtConcurrent/QtConcurrent>
#include <quazip/quazip.h>
#include "MMCZip.h"
#include "minecraft/OneSixVersionFormat.h"
#include "Version.h"
#include "net/ChecksumValidator.h"
#include "FileSystem.h"
#include "Json.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "settings/INISettingsObject.h"
#include "meta/Index.h"
#include "meta/Version.h"
#include "meta/VersionList.h"
#include "BuildConfig.h"
#include "Application.h"
namespace ATLauncher {
PackInstallTask::PackInstallTask(UserInteractionSupport *support, QString pack, QString version)
{
m_support = support;
m_pack = pack;
m_version_name = version;
}
bool PackInstallTask::abort()
{
if(abortable)
{
return jobPtr->abort();
}
return false;
}
void PackInstallTask::executeTask()
{
qDebug() << "PackInstallTask::executeTask: " << QThread::currentThreadId();
auto *netJob = new NetJob("ATLauncher::VersionFetch", APPLICATION->network());
auto searchUrl = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.json")
.arg(m_pack).arg(m_version_name);
netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
jobPtr = netJob;
jobPtr->start();
QObject::connect(netJob, &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
QObject::connect(netJob, &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
}
void PackInstallTask::onDownloadSucceeded()
{
qDebug() << "PackInstallTask::onDownloadSucceeded: " << QThread::currentThreadId();
jobPtr.reset();
QJsonParseError parse_error;
QJsonDocument doc = QJsonDocument::fromJson(response, &parse_error);
if(parse_error.error != QJsonParseError::NoError) {
qWarning() << "Error while parsing JSON response from FTB at " << parse_error.offset << " reason: " << parse_error.errorString();
qWarning() << response;
return;
}
auto obj = doc.object();
ATLauncher::PackVersion version;
try
{
ATLauncher::loadVersion(version, obj);
}
catch (const JSONValidationError &e)
{
emitFailed(tr("Could not understand pack manifest:\n") + e.cause());
return;
}
m_version = version;
auto vlist = APPLICATION->metadataIndex()->get("net.minecraft");
if(!vlist)
{
emitFailed(tr("Failed to get local metadata index for %1").arg("net.minecraft"));
return;
}
auto ver = vlist->getVersion(m_version.minecraft);
if (!ver) {
emitFailed(tr("Failed to get local metadata index for '%1' v%2").arg("net.minecraft").arg(m_version.minecraft));
return;
}
ver->load(Net::Mode::Online);
minecraftVersion = ver;
if(m_version.noConfigs) {
downloadMods();
}
else {
installConfigs();
}
}
void PackInstallTask::onDownloadFailed(QString reason)
{
qDebug() << "PackInstallTask::onDownloadFailed: " << QThread::currentThreadId();
jobPtr.reset();
emitFailed(reason);
}
QString PackInstallTask::getDirForModType(ModType type, QString raw)
{
switch (type) {
// Mod types that can either be ignored at this stage, or ignored
// completely.
case ModType::Root:
case ModType::Extract:
case ModType::Decomp:
case ModType::TexturePackExtract:
case ModType::ResourcePackExtract:
case ModType::MCPC:
return Q_NULLPTR;
case ModType::Forge:
// Forge detection happens later on, if it cannot be detected it will
// install a jarmod component.
case ModType::Jar:
return "jarmods";
case ModType::Mods:
return "mods";
case ModType::Flan:
return "Flan";
case ModType::Dependency:
return FS::PathCombine("mods", m_version.minecraft);
case ModType::Ic2Lib:
return FS::PathCombine("mods", "ic2");
case ModType::DenLib:
return FS::PathCombine("mods", "denlib");
case ModType::Coremods:
return "coremods";
case ModType::Plugins:
return "plugins";
case ModType::TexturePack:
return "texturepacks";
case ModType::ResourcePack:
return "resourcepacks";
case ModType::ShaderPack:
return "shaderpacks";
case ModType::Millenaire:
qWarning() << "Unsupported mod type: " + raw;
return Q_NULLPTR;
case ModType::Unknown:
emitFailed(tr("Unknown mod type: %1").arg(raw));
return Q_NULLPTR;
}
return Q_NULLPTR;
}
QString PackInstallTask::getVersionForLoader(QString uid)
{
if(m_version.loader.recommended || m_version.loader.latest || m_version.loader.choose) {
auto vlist = APPLICATION->metadataIndex()->get(uid);
if(!vlist)
{
emitFailed(tr("Failed to get local metadata index for %1").arg(uid));
return Q_NULLPTR;
}
if(!vlist->isLoaded()) {
vlist->load(Net::Mode::Online);
}
if(m_version.loader.recommended || m_version.loader.latest) {
for (int i = 0; i < vlist->versions().size(); i++) {
auto version = vlist->versions().at(i);
auto reqs = version->requires();
// filter by minecraft version, if the loader depends on a certain version.
// not all mod loaders depend on a given Minecraft version, so we won't do this
// filtering for those loaders.
if (m_version.loader.type != "fabric") {
auto iter = std::find_if(reqs.begin(), reqs.end(), [](const Meta::Require &req) {
return req.uid == "net.minecraft";
});
if (iter == reqs.end()) continue;
if (iter->equalsVersion != m_version.minecraft) continue;
}
if (m_version.loader.recommended) {
// first recommended build we find, we use.
if (!version->isRecommended()) continue;
}
return version->descriptor();
}
emitFailed(tr("Failed to find version for %1 loader").arg(m_version.loader.type));
return Q_NULLPTR;
}
else if(m_version.loader.choose) {
// Fabric Loader doesn't depend on a given Minecraft version.
if (m_version.loader.type == "fabric") {
return m_support->chooseVersion(vlist, Q_NULLPTR);
}
return m_support->chooseVersion(vlist, m_version.minecraft);
}
}
if (m_version.loader.version == Q_NULLPTR || m_version.loader.version.isEmpty()) {
emitFailed(tr("No loader version set for modpack!"));
return Q_NULLPTR;
}
return m_version.loader.version;
}
QString PackInstallTask::detectLibrary(VersionLibrary library)
{
// Try to detect what the library is
if (!library.server.isEmpty() && library.server.split("/").length() >= 3) {
auto lastSlash = library.server.lastIndexOf("/");
auto locationAndVersion = library.server.mid(0, lastSlash);
auto fileName = library.server.mid(lastSlash + 1);
lastSlash = locationAndVersion.lastIndexOf("/");
auto location = locationAndVersion.mid(0, lastSlash);
auto version = locationAndVersion.mid(lastSlash + 1);
lastSlash = location.lastIndexOf("/");
auto group = location.mid(0, lastSlash).replace("/", ".");
auto artefact = location.mid(lastSlash + 1);
return group + ":" + artefact + ":" + version;
}
if(library.file.contains("-")) {
auto lastSlash = library.file.lastIndexOf("-");
auto name = library.file.mid(0, lastSlash);
auto version = library.file.mid(lastSlash + 1).remove(".jar");
if(name == QString("guava")) {
return "com.google.guava:guava:" + version;
}
else if(name == QString("commons-lang3")) {
return "org.apache.commons:commons-lang3:" + version;
}
}
return "org.multimc.atlauncher:" + library.md5 + ":1";
}
bool PackInstallTask::createLibrariesComponent(QString instanceRoot, std::shared_ptr<PackProfile> profile)
{
if(m_version.libraries.isEmpty()) {
return true;
}
QList<GradleSpecifier> exempt;
for(const auto & componentUid : componentsToInstall.keys()) {
auto componentVersion = componentsToInstall.value(componentUid);
for(const auto & library : componentVersion->data()->libraries) {
GradleSpecifier lib(library->rawName());
exempt.append(lib);
}
}
{
for(const auto & library : minecraftVersion->data()->libraries) {
GradleSpecifier lib(library->rawName());
exempt.append(lib);
}
}
auto uuid = QUuid::createUuid();
auto id = uuid.toString().remove('{').remove('}');
auto target_id = "org.multimc.atlauncher." + id;
auto patchDir = FS::PathCombine(instanceRoot, "patches");
if(!FS::ensureFolderPathExists(patchDir))
{
return false;
}
auto patchFileName = FS::PathCombine(patchDir, target_id + ".json");
auto f = std::make_shared<VersionFile>();
f->name = m_pack + " " + m_version_name + " (libraries)";
for(const auto & lib : m_version.libraries) {
auto libName = detectLibrary(lib);
GradleSpecifier libSpecifier(libName);
bool libExempt = false;
for(const auto & existingLib : exempt) {
if(libSpecifier.matchName(existingLib)) {
// If the pack specifies a newer version of the lib, use that!
libExempt = Version(libSpecifier.version()) >= Version(existingLib.version());
}
}
if(libExempt) continue;
auto library = std::make_shared<Library>();
library->setRawName(libName);
switch(lib.download) {
case DownloadType::Server:
library->setAbsoluteUrl(BuildConfig.ATL_DOWNLOAD_SERVER_URL + lib.url);
break;
case DownloadType::Direct:
library->setAbsoluteUrl(lib.url);
break;
case DownloadType::Browser:
case DownloadType::Unknown:
emitFailed(tr("Unknown or unsupported download type: %1").arg(lib.download_raw));
return false;
}
f->libraries.append(library);
}
if(f->libraries.isEmpty()) {
return true;
}
QFile file(patchFileName);
if (!file.open(QFile::WriteOnly))
{
qCritical() << "Error opening" << file.fileName()
<< "for reading:" << file.errorString();
return false;
}
file.write(OneSixVersionFormat::versionFileToJson(f).toJson());
file.close();
profile->appendComponent(new Component(profile.get(), target_id, f));
return true;
}
bool PackInstallTask::createPackComponent(QString instanceRoot, std::shared_ptr<PackProfile> profile)
{
if(m_version.mainClass == QString() && m_version.extraArguments == QString()) {
return true;
}
auto uuid = QUuid::createUuid();
auto id = uuid.toString().remove('{').remove('}');
auto target_id = "org.multimc.atlauncher." + id;
auto patchDir = FS::PathCombine(instanceRoot, "patches");
if(!FS::ensureFolderPathExists(patchDir))
{
return false;
}
auto patchFileName = FS::PathCombine(patchDir, target_id + ".json");
QStringList mainClasses;
QStringList tweakers;
for(const auto & componentUid : componentsToInstall.keys()) {
auto componentVersion = componentsToInstall.value(componentUid);
if(componentVersion->data()->mainClass != QString("")) {
mainClasses.append(componentVersion->data()->mainClass);
}
tweakers.append(componentVersion->data()->addTweakers);
}
auto f = std::make_shared<VersionFile>();
f->name = m_pack + " " + m_version_name;
if(m_version.mainClass != QString() && !mainClasses.contains(m_version.mainClass)) {
f->mainClass = m_version.mainClass;
}
// Parse out tweakers
auto args = m_version.extraArguments.split(" ");
QString previous;
for(auto arg : args) {
if(arg.startsWith("--tweakClass=") || previous == "--tweakClass") {
auto tweakClass = arg.remove("--tweakClass=");
if(tweakers.contains(tweakClass)) continue;
f->addTweakers.append(tweakClass);
}
previous = arg;
}
if(f->mainClass == QString() && f->addTweakers.isEmpty()) {
return true;
}
QFile file(patchFileName);
if (!file.open(QFile::WriteOnly))
{
qCritical() << "Error opening" << file.fileName()
<< "for reading:" << file.errorString();
return false;
}
file.write(OneSixVersionFormat::versionFileToJson(f).toJson());
file.close();
profile->appendComponent(new Component(profile.get(), target_id, f));
return true;
}
void PackInstallTask::installConfigs()
{
qDebug() << "PackInstallTask::installConfigs: " << QThread::currentThreadId();
setStatus(tr("Downloading configs..."));
jobPtr = new NetJob(tr("Config download"), APPLICATION->network());
auto path = QString("Configs/%1/%2.zip").arg(m_pack).arg(m_version_name);
auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.zip")
.arg(m_pack).arg(m_version_name);
auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", path);
entry->setStale(true);
auto dl = Net::Download::makeCached(url, entry);
if (!m_version.configs.sha1.isEmpty()) {
auto rawSha1 = QByteArray::fromHex(m_version.configs.sha1.toLatin1());
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, rawSha1));
}
jobPtr->addNetAction(dl);
archivePath = entry->getFullPath();
connect(jobPtr.get(), &NetJob::succeeded, this, [&]()
{
abortable = false;
jobPtr.reset();
extractConfigs();
});
connect(jobPtr.get(), &NetJob::failed, [&](QString reason)
{
abortable = false;
jobPtr.reset();
emitFailed(reason);
});
connect(jobPtr.get(), &NetJob::progress, [&](qint64 current, qint64 total)
{
abortable = true;
setProgress(current, total);
});
jobPtr->start();
}
void PackInstallTask::extractConfigs()
{
qDebug() << "PackInstallTask::extractConfigs: " << QThread::currentThreadId();
setStatus(tr("Extracting configs..."));
QDir extractDir(m_stagingPath);
QuaZip packZip(archivePath);
if(!packZip.open(QuaZip::mdUnzip))
{
emitFailed(tr("Failed to open pack configs %1!").arg(archivePath));
return;
}
m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractDir, archivePath, extractDir.absolutePath() + "/minecraft");
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, [&]()
{
downloadMods();
});
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, [&]()
{
emitAborted();
});
m_extractFutureWatcher.setFuture(m_extractFuture);
}
void PackInstallTask::downloadMods()
{
qDebug() << "PackInstallTask::installMods: " << QThread::currentThreadId();
QVector<ATLauncher::VersionMod> optionalMods;
for (const auto& mod : m_version.mods) {
if (mod.optional) {
optionalMods.push_back(mod);
}
}
// Select optional mods, if pack contains any
QVector<QString> selectedMods;
if (!optionalMods.isEmpty()) {
setStatus(tr("Selecting optional mods..."));
selectedMods = m_support->chooseOptionalMods(optionalMods);
}
setStatus(tr("Downloading mods..."));
jarmods.clear();
jobPtr = new NetJob(tr("Mod download"), APPLICATION->network());
for(const auto& mod : m_version.mods) {
// skip non-client mods
if(!mod.client) continue;
// skip optional mods that were not selected
if(mod.optional && !selectedMods.contains(mod.name)) continue;
QString url;
switch(mod.download) {
case DownloadType::Server:
url = BuildConfig.ATL_DOWNLOAD_SERVER_URL + mod.url;
break;
case DownloadType::Browser:
emitFailed(tr("Unsupported download type: %1").arg(mod.download_raw));
return;
case DownloadType::Direct:
url = mod.url;
break;
case DownloadType::Unknown:
emitFailed(tr("Unknown download type: %1").arg(mod.download_raw));
return;
}
QFileInfo fileName(mod.file);
auto cacheName = fileName.completeBaseName() + "-" + mod.md5 + "." + fileName.suffix();
if (mod.type == ModType::Extract || mod.type == ModType::TexturePackExtract || mod.type == ModType::ResourcePackExtract) {
auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", cacheName);
entry->setStale(true);
modsToExtract.insert(entry->getFullPath(), mod);
auto dl = Net::Download::makeCached(url, entry);
if (!mod.md5.isEmpty()) {
auto rawMd5 = QByteArray::fromHex(mod.md5.toLatin1());
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Md5, rawMd5));
}
jobPtr->addNetAction(dl);
}
else if(mod.type == ModType::Decomp) {
auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", cacheName);
entry->setStale(true);
modsToDecomp.insert(entry->getFullPath(), mod);
auto dl = Net::Download::makeCached(url, entry);
if (!mod.md5.isEmpty()) {
auto rawMd5 = QByteArray::fromHex(mod.md5.toLatin1());
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Md5, rawMd5));
}
jobPtr->addNetAction(dl);
}
else {
auto relpath = getDirForModType(mod.type, mod.type_raw);
if(relpath == Q_NULLPTR) continue;
auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", cacheName);
entry->setStale(true);
auto dl = Net::Download::makeCached(url, entry);
if (!mod.md5.isEmpty()) {
auto rawMd5 = QByteArray::fromHex(mod.md5.toLatin1());
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Md5, rawMd5));
}
jobPtr->addNetAction(dl);
auto path = FS::PathCombine(m_stagingPath, "minecraft", relpath, mod.file);
qDebug() << "Will download" << url << "to" << path;
modsToCopy[entry->getFullPath()] = path;
if(mod.type == ModType::Forge) {
auto vlist = APPLICATION->metadataIndex()->get("net.minecraftforge");
if(vlist)
{
auto ver = vlist->getVersion(mod.version);
if(ver) {
ver->load(Net::Mode::Online);
componentsToInstall.insert("net.minecraftforge", ver);
continue;
}
}
qDebug() << "Jarmod: " + path;
jarmods.push_back(path);
}
if(mod.type == ModType::Jar) {
qDebug() << "Jarmod: " + path;
jarmods.push_back(path);
}
}
}
connect(jobPtr.get(), &NetJob::succeeded, this, &PackInstallTask::onModsDownloaded);
connect(jobPtr.get(), &NetJob::failed, [&](QString reason)
{
abortable = false;
jobPtr.reset();
emitFailed(reason);
});
connect(jobPtr.get(), &NetJob::progress, [&](qint64 current, qint64 total)
{
abortable = true;
setProgress(current, total);
});
jobPtr->start();
}
void PackInstallTask::onModsDownloaded() {
abortable = false;
qDebug() << "PackInstallTask::onModsDownloaded: " << QThread::currentThreadId();
jobPtr.reset();
if(!modsToExtract.empty() || !modsToDecomp.empty() || !modsToCopy.empty()) {
m_modExtractFuture = QtConcurrent::run(QThreadPool::globalInstance(), this, &PackInstallTask::extractMods, modsToExtract, modsToDecomp, modsToCopy);
connect(&m_modExtractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &PackInstallTask::onModsExtracted);
connect(&m_modExtractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, [&]()
{
emitAborted();
});
m_modExtractFutureWatcher.setFuture(m_modExtractFuture);
}
else {
install();
}
}
void PackInstallTask::onModsExtracted() {
qDebug() << "PackInstallTask::onModsExtracted: " << QThread::currentThreadId();
if(m_modExtractFuture.result()) {
install();
}
else {
emitFailed(tr("Failed to extract mods..."));
}
}
bool PackInstallTask::extractMods(
const QMap<QString, VersionMod> &toExtract,
const QMap<QString, VersionMod> &toDecomp,
const QMap<QString, QString> &toCopy
) {
qDebug() << "PackInstallTask::extractMods: " << QThread::currentThreadId();
setStatus(tr("Extracting mods..."));
for (auto iter = toExtract.begin(); iter != toExtract.end(); iter++) {
auto &modPath = iter.key();
auto &mod = iter.value();
QString extractToDir;
if(mod.type == ModType::Extract) {
extractToDir = getDirForModType(mod.extractTo, mod.extractTo_raw);
}
else if(mod.type == ModType::TexturePackExtract) {
extractToDir = FS::PathCombine("texturepacks", "extracted");
}
else if(mod.type == ModType::ResourcePackExtract) {
extractToDir = FS::PathCombine("resourcepacks", "extracted");
}
QDir extractDir(m_stagingPath);
auto extractToPath = FS::PathCombine(extractDir.absolutePath(), "minecraft", extractToDir);
QString folderToExtract = "";
if(mod.type == ModType::Extract) {
folderToExtract = mod.extractFolder;
folderToExtract.remove(QRegExp("^/"));
}
qDebug() << "Extracting " + mod.file + " to " + extractToDir;
if(!MMCZip::extractDir(modPath, folderToExtract, extractToPath)) {
// assume error
return false;
}
}
for (auto iter = toDecomp.begin(); iter != toDecomp.end(); iter++) {
auto &modPath = iter.key();
auto &mod = iter.value();
auto extractToDir = getDirForModType(mod.decompType, mod.decompType_raw);
QDir extractDir(m_stagingPath);
auto extractToPath = FS::PathCombine(extractDir.absolutePath(), "minecraft", extractToDir, mod.decompFile);
qDebug() << "Extracting " + mod.decompFile + " to " + extractToDir;
if(!MMCZip::extractFile(modPath, mod.decompFile, extractToPath)) {
qWarning() << "Failed to extract" << mod.decompFile;
return false;
}
}
for (auto iter = toCopy.begin(); iter != toCopy.end(); iter++) {
auto &from = iter.key();
auto &to = iter.value();
FS::copy fileCopyOperation(from, to);
if(!fileCopyOperation()) {
qWarning() << "Failed to copy" << from << "to" << to;
return false;
}
}
return true;
}
void PackInstallTask::install()
{
qDebug() << "PackInstallTask::install: " << QThread::currentThreadId();
setStatus(tr("Installing modpack"));
auto instanceConfigPath = FS::PathCombine(m_stagingPath, "instance.cfg");
auto instanceSettings = std::make_shared<INISettingsObject>(instanceConfigPath);
instanceSettings->suspendSave();
instanceSettings->registerSetting("InstanceType", "Legacy");
instanceSettings->set("InstanceType", "OneSix");
MinecraftInstance instance(m_globalSettings, instanceSettings, m_stagingPath);
auto components = instance.getPackProfile();
components->buildingFromScratch();
// Use a component to add libraries BEFORE Minecraft
if(!createLibrariesComponent(instance.instanceRoot(), components)) {
emitFailed(tr("Failed to create libraries component"));
return;
}
// Minecraft
components->setComponentVersion("net.minecraft", m_version.minecraft, true);
// Loader
if(m_version.loader.type == QString("forge"))
{
auto version = getVersionForLoader("net.minecraftforge");
if(version == Q_NULLPTR) return;
components->setComponentVersion("net.minecraftforge", version, true);
}
else if(m_version.loader.type == QString("fabric"))
{
auto version = getVersionForLoader("net.fabricmc.fabric-loader");
if(version == Q_NULLPTR) return;
components->setComponentVersion("net.fabricmc.fabric-loader", version, true);
}
else if(m_version.loader.type != QString())
{
emitFailed(tr("Unknown loader type: ") + m_version.loader.type);
return;
}
for(const auto & componentUid : componentsToInstall.keys()) {
auto version = componentsToInstall.value(componentUid);
components->setComponentVersion(componentUid, version->version());
}
components->installJarMods(jarmods);
// Use a component to fill in the rest of the data
// todo: use more detection
if(!createPackComponent(instance.instanceRoot(), components)) {
emitFailed(tr("Failed to create pack component"));
return;
}
components->saveNow();
instance.setName(m_instName);
instance.setIconKey(m_instIcon);
instanceSettings->resumeSave();
jarmods.clear();
emitSucceeded();
}
}