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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "JVisualVM.h"
#include <QDir>
#include <QStandardPaths>
#include "settings/SettingsObject.h"
#include "launch/LaunchTask.h"
#include "BaseInstance.h"
class JVisualVM : public BaseProfiler
{
Q_OBJECT
public:
JVisualVM(SettingsObjectPtr settings, InstancePtr instance,
QObject* parent = 0);
private slots:
void profilerStarted();
void profilerFinished(int exit, QProcess::ExitStatus status);
protected:
void beginProfilingImpl(shared_qobject_ptr<LaunchTask> process);
};
JVisualVM::JVisualVM(SettingsObjectPtr settings, InstancePtr instance,
QObject* parent)
: BaseProfiler(settings, instance, parent)
{
}
void JVisualVM::profilerStarted()
{
emit readyToLaunch(tr("JVisualVM started"));
}
void JVisualVM::profilerFinished(int exit, QProcess::ExitStatus status)
{
if (status == QProcess::CrashExit) {
emit abortLaunch(tr("Profiler aborted"));
}
if (m_profilerProcess) {
m_profilerProcess->deleteLater();
m_profilerProcess = 0;
}
}
void JVisualVM::beginProfilingImpl(shared_qobject_ptr<LaunchTask> process)
{
QProcess* profiler = new QProcess(this);
QStringList profilerArgs = {"--openpid", QString::number(process->pid())};
auto programPath = globalSettings->get("JVisualVMPath").toString();
profiler->setArguments(profilerArgs);
profiler->setProgram(programPath);
connect(profiler, SIGNAL(started()), SLOT(profilerStarted()));
connect(profiler, SIGNAL(finished(int, QProcess::ExitStatus)),
SLOT(profilerFinished(int, QProcess::ExitStatus)));
profiler->start();
m_profilerProcess = profiler;
}
void JVisualVMFactory::registerSettings(SettingsObjectPtr settings)
{
QString defaultValue = QStandardPaths::findExecutable("jvisualvm");
if (defaultValue.isNull()) {
defaultValue = QStandardPaths::findExecutable("visualvm");
}
settings->registerSetting("JVisualVMPath", defaultValue);
globalSettings = settings;
}
BaseExternalTool* JVisualVMFactory::createTool(InstancePtr instance,
QObject* parent)
{
return new JVisualVM(globalSettings, instance, parent);
}
bool JVisualVMFactory::check(QString* error)
{
return check(globalSettings->get("JVisualVMPath").toString(), error);
}
bool JVisualVMFactory::check(const QString& path, QString* error)
{
if (path.isEmpty()) {
*error = QObject::tr("Empty path");
return false;
}
QFileInfo finfo(path);
if (!finfo.isExecutable() || !finfo.fileName().contains("visualvm")) {
*error = QObject::tr("Invalid path to JVisualVM");
return false;
}
return true;
}
#include "JVisualVM.moc"
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