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#include "JavaChecker.h"
#include "JavaUtils.h"
#include <FileSystem.h>
#include <Commandline.h>
#include <QFile>
#include <QProcess>
#include <QMap>
#include <QCoreApplication>
#include <QDebug>
#include "Env.h"
JavaChecker::JavaChecker(QObject *parent) : QObject(parent)
{
}
void JavaChecker::performCheck()
{
QString checkerJar = FS::PathCombine(ENV.getJarsPath(), "JavaCheck.jar");
QStringList args;
process.reset(new QProcess());
if(m_args.size())
{
auto extraArgs = Commandline::splitArgs(m_args);
args.append(extraArgs);
}
if(m_minMem != 0)
{
args << QString("-Xms%1m").arg(m_minMem);
}
if(m_maxMem != 0)
{
args << QString("-Xmx%1m").arg(m_maxMem);
}
if(m_permGen != 64)
{
args << QString("-XX:PermSize=%1m").arg(m_permGen);
}
args.append({"-jar", checkerJar});
process->setArguments(args);
process->setProgram(m_path);
process->setProcessChannelMode(QProcess::SeparateChannels);
process->setProcessEnvironment(CleanEnviroment());
qDebug() << "Running java checker: " + m_path + args.join(" ");;
connect(process.get(), SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(finished(int, QProcess::ExitStatus)));
connect(process.get(), SIGNAL(error(QProcess::ProcessError)), this, SLOT(error(QProcess::ProcessError)));
connect(process.get(), SIGNAL(readyReadStandardOutput()), this, SLOT(stdoutReady()));
connect(process.get(), SIGNAL(readyReadStandardError()), this, SLOT(stderrReady()));
connect(&killTimer, SIGNAL(timeout()), SLOT(timeout()));
killTimer.setSingleShot(true);
killTimer.start(15000);
process->start();
}
void JavaChecker::stdoutReady()
{
QByteArray data = process->readAllStandardOutput();
QString added = QString::fromLocal8Bit(data);
added.remove('\r');
m_stdout += added;
}
void JavaChecker::stderrReady()
{
QByteArray data = process->readAllStandardError();
QString added = QString::fromLocal8Bit(data);
added.remove('\r');
m_stderr += added;
}
void JavaChecker::finished(int exitcode, QProcess::ExitStatus status)
{
killTimer.stop();
QProcessPtr _process = process;
process.reset();
JavaCheckResult result;
{
result.path = m_path;
result.id = m_id;
}
result.errorLog = m_stderr;
result.outLog = m_stdout;
qDebug() << "STDOUT" << m_stdout;
qWarning() << "STDERR" << m_stderr;
qDebug() << "Java checker finished with status " << status << " exit code " << exitcode;
if (status == QProcess::CrashExit || exitcode == 1)
{
result.validity = JavaCheckResult::Validity::Errored;
emit checkFinished(result);
return;
}
bool success = true;
QMap<QString, QString> results;
QStringList lines = m_stdout.split("\n", QString::SkipEmptyParts);
for(QString line : lines)
{
line = line.trimmed();
auto parts = line.split('=', QString::SkipEmptyParts);
if(parts.size() != 2 || parts[0].isEmpty() || parts[1].isEmpty())
{
success = false;
}
else
{
results.insert(parts[0], parts[1]);
}
}
if(!results.contains("os.arch") || !results.contains("java.version") || !success)
{
result.validity = JavaCheckResult::Validity::ReturnedInvalidData;
emit checkFinished(result);
return;
}
auto os_arch = results["os.arch"];
auto java_version = results["java.version"];
bool is_64 = os_arch == "x86_64" || os_arch == "amd64";
result.validity = JavaCheckResult::Validity::Valid;
result.is_64bit = is_64;
result.mojangPlatform = is_64 ? "64" : "32";
result.realPlatform = os_arch;
result.javaVersion = java_version;
qDebug() << "Java checker succeeded.";
emit checkFinished(result);
}
void JavaChecker::error(QProcess::ProcessError err)
{
if(err == QProcess::FailedToStart)
{
killTimer.stop();
qDebug() << "Java checker has failed to start.";
JavaCheckResult result;
{
result.path = m_path;
result.id = m_id;
}
emit checkFinished(result);
return;
}
}
void JavaChecker::timeout()
{
// NO MERCY. NO ABUSE.
if(process)
{
qDebug() << "Java checker has been killed by timeout.";
process->kill();
}
}
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