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#include "JavaChecker.h"
#include "MultiMC.h"
#include <pathutils.h>
#include <QFile>
#include <QProcess>
#include <QMap>
#include <QTemporaryFile>
JavaChecker::JavaChecker(QObject *parent) : QObject(parent)
{
}
void JavaChecker::performCheck()
{
QString checkerJar = PathCombine(MMC->bin(), "jars", "JavaCheck.jar");
QStringList args = {"-jar", checkerJar};
process.reset(new QProcess());
process->setArguments(args);
process->setProgram(path);
process->setProcessChannelMode(QProcess::SeparateChannels);
QLOG_DEBUG() << "Running java checker!";
QLOG_DEBUG() << "Java: " + path;
QLOG_DEBUG() << "Args: {" + 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(&killTimer, SIGNAL(timeout()), SLOT(timeout()));
killTimer.setSingleShot(true);
killTimer.start(5000);
process->start();
}
void JavaChecker::finished(int exitcode, QProcess::ExitStatus status)
{
killTimer.stop();
QProcessPtr _process;
_process.swap(process);
JavaCheckResult result;
{
result.path = path;
result.id = id;
}
QLOG_DEBUG() << "Java checker finished with status " << status << " exit code " << exitcode;
if (status == QProcess::CrashExit || exitcode == 1)
{
QLOG_DEBUG() << "Java checker failed!";
emit checkFinished(result);
return;
}
bool success = true;
QString p_stdout = _process->readAllStandardOutput();
QLOG_DEBUG() << p_stdout;
QMap<QString, QString> results;
QStringList lines = p_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)
{
QLOG_DEBUG() << "Java checker failed - couldn't extract required information.";
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.valid = true;
result.is_64bit = is_64;
result.mojangPlatform = is_64 ? "64" : "32";
result.realPlatform = os_arch;
result.javaVersion = java_version;
QLOG_DEBUG() << "Java checker succeeded.";
emit checkFinished(result);
}
void JavaChecker::error(QProcess::ProcessError err)
{
if(err == QProcess::FailedToStart)
{
killTimer.stop();
QLOG_DEBUG() << "Java checker has failed to start.";
JavaCheckResult result;
{
result.path = path;
result.id = id;
}
emit checkFinished(result);
return;
}
}
void JavaChecker::timeout()
{
// NO MERCY. NO ABUSE.
if(process)
{
QLOG_DEBUG() << "Java checker has been killed by timeout.";
process->kill();
}
}
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