161 lines
3.8 KiB
C++
161 lines
3.8 KiB
C++
#include "JavaChecker.h"
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#include <FileSystem.h>
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#include <Commandline.h>
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#include <QFile>
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#include <QProcess>
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#include <QMap>
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#include <QTemporaryFile>
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#include <QCoreApplication>
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#include <QDebug>
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JavaChecker::JavaChecker(QObject *parent) : QObject(parent)
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{
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}
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void JavaChecker::performCheck()
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{
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QString checkerJar = FS::PathCombine(QCoreApplication::applicationDirPath(), "jars", "JavaCheck.jar");
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QStringList args;
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process.reset(new QProcess());
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if(m_args.size())
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{
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auto extraArgs = Commandline::splitArgs(m_args);
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args.append(extraArgs);
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}
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if(m_minMem != 0)
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{
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args << QString("-Xms%1m").arg(m_minMem);
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}
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if(m_maxMem != 0)
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{
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args << QString("-Xmx%1m").arg(m_maxMem);
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}
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if(m_permGen != 64)
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{
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args << QString("-XX:PermSize=%1m").arg(m_permGen);
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}
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args.append({"-jar", checkerJar});
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process->setArguments(args);
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process->setProgram(m_path);
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process->setProcessChannelMode(QProcess::SeparateChannels);
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qDebug() << "Running java checker: " + m_path + args.join(" ");;
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connect(process.get(), SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(finished(int, QProcess::ExitStatus)));
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connect(process.get(), SIGNAL(error(QProcess::ProcessError)), this, SLOT(error(QProcess::ProcessError)));
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connect(process.get(), SIGNAL(readyReadStandardOutput()), this, SLOT(stdoutReady()));
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connect(process.get(), SIGNAL(readyReadStandardError()), this, SLOT(stderrReady()));
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connect(&killTimer, SIGNAL(timeout()), SLOT(timeout()));
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killTimer.setSingleShot(true);
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killTimer.start(15000);
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process->start();
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}
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void JavaChecker::stdoutReady()
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{
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QByteArray data = process->readAllStandardOutput();
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QString added = QString::fromLocal8Bit(data);
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added.remove('\r');
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m_stdout += added;
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}
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void JavaChecker::stderrReady()
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{
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QByteArray data = process->readAllStandardError();
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QString added = QString::fromLocal8Bit(data);
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added.remove('\r');
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m_stderr += added;
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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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JavaCheckResult result;
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{
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result.path = m_path;
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result.id = m_id;
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}
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result.errorLog = m_stderr;
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qDebug() << "STDOUT" << m_stdout;
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qWarning() << "STDERR" << m_stderr;
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qDebug() << "Java checker finished with status " << status << " exit code " << exitcode;
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if (status == QProcess::CrashExit || exitcode == 1)
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{
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qDebug() << "Java checker failed!";
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emit checkFinished(result);
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return;
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}
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bool success = true;
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QMap<QString, QString> results;
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QStringList lines = m_stdout.split("\n", QString::SkipEmptyParts);
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for(QString line : lines)
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{
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line = line.trimmed();
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auto parts = line.split('=', QString::SkipEmptyParts);
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if(parts.size() != 2 || parts[0].isEmpty() || parts[1].isEmpty())
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{
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success = false;
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}
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else
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{
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results.insert(parts[0], parts[1]);
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}
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}
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if(!results.contains("os.arch") || !results.contains("java.version") || !success)
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{
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qDebug() << "Java checker failed - couldn't extract required information.";
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emit checkFinished(result);
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return;
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}
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auto os_arch = results["os.arch"];
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auto java_version = results["java.version"];
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bool is_64 = os_arch == "x86_64" || os_arch == "amd64";
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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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result.javaVersion = java_version;
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qDebug() << "Java checker succeeded.";
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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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qDebug() << "Java checker has failed to start.";
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JavaCheckResult result;
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{
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result.path = m_path;
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result.id = m_id;
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}
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emit checkFinished(result);
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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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qDebug() << "Java checker has been killed by timeout.";
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process->kill();
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}
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}
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