89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
#include "JavaChecker.h"
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#include <QFile>
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#include <QProcess>
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#define CHECKER_FILE "JavaChecker.jar"
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JavaChecker::JavaChecker(QObject *parent) : QObject(parent)
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{
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}
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int JavaChecker::performCheck(QString path)
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{
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if(QFile::exists(CHECKER_FILE))
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{
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QFile::remove(CHECKER_FILE);
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}
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// extract the checker
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QFile(":/java/checker.jar").copy(CHECKER_FILE);
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QStringList args = {"-jar", CHECKER_FILE};
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process.reset(new QProcess());
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process->setArguments(args);
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process->setProgram(path);
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process->setProcessChannelMode(QProcess::SeparateChannels);
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connect(process.get(), SIGNAL(finished(int, QProcess::ExitStatus)), this,
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SLOT(finished(int, QProcess::ExitStatus)));
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connect(process.get(), SIGNAL(error(QProcess::ProcessError)), this,
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SLOT(error(QProcess::ProcessError)));
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connect(&killTimer, SIGNAL(timeout()), SLOT(timeout()));
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killTimer.setSingleShot(true);
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killTimer.start(5000);
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process->start();
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}
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void JavaChecker::finished(int exitcode, QProcess::ExitStatus status)
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{
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killTimer.stop();
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QProcessPtr _process;
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_process.swap(process);
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if (status == QProcess::CrashExit || exitcode == 1)
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{
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emit checkFinished({});
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return;
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}
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QString p_stdout = _process->readAllStandardOutput();
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auto parts = p_stdout.split('=', QString::SkipEmptyParts);
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if (parts.size() != 2 || parts[0] != "os.arch")
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{
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emit checkFinished({});
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return;
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}
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auto os_arch = parts[1].remove('\n').remove('\r');
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bool is_64 = os_arch == "x86_64" || os_arch == "amd64";
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JavaCheckResult result;
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{
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result.valid = true;
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result.is_64bit = is_64;
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result.mojangPlatform = is_64 ? "64" : "32";
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result.realPlatform = os_arch;
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}
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emit checkFinished(result);
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}
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void JavaChecker::error(QProcess::ProcessError err)
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{
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if(err == QProcess::FailedToStart)
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{
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killTimer.stop();
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emit checkFinished({});
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return;
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}
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}
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void JavaChecker::timeout()
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{
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// NO MERCY. NO ABUSE.
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if(process)
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{
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process->kill();
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process.reset();
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}
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}
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