Profiler support. Currently JProfiler and JVisualVM are implemented.

logic/OneSixInstance.cpp

@@ -228,7 +228,6 @@ MinecraftProcess *OneSixInstance::prepareForLaunch(AuthSessionPtr session)
 		launchScript += "ext " + finfo.absoluteFilePath() + "\n";
 	}
 	launchScript += "natives " + natives_dir.absolutePath() + "\n";
-	launchScript += "launch onesix\n";
 
 	// create the process and set its parameters
 	MinecraftProcess *proc = new MinecraftProcess(this);

logic/profiler/BaseProfiler.cpp

@@ -0,0 +1,19 @@
+#include "BaseProfiler.h"
+
+BaseProfiler::BaseProfiler(OneSixInstance *instance, QObject *parent)
+	: QObject(parent), m_instance(instance)
+{
+}
+
+BaseProfiler::~BaseProfiler()
+{
+}
+
+void BaseProfiler::beginProfiling(MinecraftProcess *process)
+{
+	beginProfilingImpl(process);
+}
+
+BaseProfilerFactory::~BaseProfilerFactory()
+{
+}

logic/profiler/BaseProfiler.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <QObject>
+
+class OneSixInstance;
+class SettingsObject;
+class MinecraftProcess;
+
+class BaseProfiler : public QObject
+{
+	Q_OBJECT
+public:
+	explicit BaseProfiler(OneSixInstance *instance, QObject *parent = 0);
+	virtual ~BaseProfiler();
+
+public
+slots:
+	void beginProfiling(MinecraftProcess *process);
+
+protected:
+	OneSixInstance *m_instance;
+
+	virtual void beginProfilingImpl(MinecraftProcess *process) = 0;
+
+signals:
+	void readyToLaunch(const QString &message);
+};
+
+class BaseProfilerFactory
+{
+public:
+	virtual ~BaseProfilerFactory();
+
+	virtual void registerSettings(SettingsObject *settings) = 0;
+
+	virtual BaseProfiler *createProfiler(OneSixInstance *instance, QObject *parent = 0) = 0;
+
+	virtual bool check(const QString &path, QString *error) = 0;
+};

logic/profiler/JProfiler.cpp

@@ -0,0 +1,56 @@
+#include "JProfiler.h"
+
+#include <QDir>
+#include <QMessageBox>
+
+#include "settingsobject.h"
+#include "logic/MinecraftProcess.h"
+#include "logic/OneSixInstance.h"
+#include "MultiMC.h"
+
+JProfiler::JProfiler(OneSixInstance *instance, QObject *parent) : BaseProfiler(instance, parent)
+{
+}
+
+void JProfiler::beginProfilingImpl(MinecraftProcess *process)
+{
+	int port = MMC->settings()->get("JProfilerPort").toInt();
+	QProcess *profiler = new QProcess(this);
+	profiler->setArguments(QStringList() << "-d" << QString::number(process->pid()) << "--gui"
+										 << "-p" << QString::number(port));
+	profiler->setProgram(QDir(MMC->settings()->get("JProfilerPath").toString())
+							 .absoluteFilePath("bin/jpenable"));
+	connect(profiler, &QProcess::started, [this, port]()
+	{ emit readyToLaunch(tr("Listening on port: %1").arg(port)); });
+	connect(profiler, SIGNAL(finished(int)), profiler, SLOT(deleteLater()));
+	profiler->start();
+	QMessageBox::information(0, tr("JProfiler"),
+							 tr("JProfiler started and listening on port %1").arg(port));
+}
+
+void JProfilerFactory::registerSettings(SettingsObject *settings)
+{
+	settings->registerSetting("JProfilerPath");
+	settings->registerSetting("JProfilerPort", 42042);
+}
+
+BaseProfiler *JProfilerFactory::createProfiler(OneSixInstance *instance, QObject *parent)
+{
+	return new JProfiler(instance, parent);
+}
+
+bool JProfilerFactory::check(const QString &path, QString *error)
+{
+	QDir dir(path);
+	if (!dir.exists())
+	{
+		*error = QObject::tr("Path does not exist");
+		return false;
+	}
+	if (!dir.exists("bin") || !dir.exists("bin/jprofiler") || !dir.exists("bin/agent.jar"))
+	{
+		*error = QObject::tr("Invalid JProfiler install");
+		return false;
+	}
+	return true;
+}

logic/profiler/JProfiler.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "BaseProfiler.h"
+
+class JProfiler : public BaseProfiler
+{
+	Q_OBJECT
+public:
+	JProfiler(OneSixInstance *instance, QObject *parent = 0);
+
+protected:
+	void beginProfilingImpl(MinecraftProcess *process);
+};
+
+class JProfilerFactory : public BaseProfilerFactory
+{
+public:
+	void registerSettings(SettingsObject *settings) override;
+	BaseProfiler *createProfiler(OneSixInstance *instance, QObject *parent = 0) override;
+	bool check(const QString &path, QString *error) override;
+};

logic/profiler/JVisualVM.cpp

@@ -0,0 +1,46 @@
+#include "JVisualVM.h"
+
+#include <QDir>
+#include <QStandardPaths>
+
+#include "settingsobject.h"
+#include "logic/MinecraftProcess.h"
+#include "logic/OneSixInstance.h"
+
+JVisualVM::JVisualVM(OneSixInstance *instance, QObject *parent) : BaseProfiler(instance, parent)
+{
+}
+
+void JVisualVM::beginProfilingImpl(MinecraftProcess *process)
+{
+	QProcess *profiler = new QProcess(this);
+	profiler->setArguments(QStringList() << "--jdkhome"
+										 << m_instance->settings().get("JavaPath").toString()
+										 << "--openpid" << QString::number(process->pid()));
+	profiler->setProgram("jvisualvm");
+	connect(profiler, &QProcess::started, [this]()
+	{ emit readyToLaunch(tr("JVisualVM started")); });
+	connect(profiler, SIGNAL(finished(int)), profiler, SLOT(deleteLater()));
+	profiler->start();
+}
+
+void JVisualVMFactory::registerSettings(SettingsObject *settings)
+{
+	settings->registerSetting("JVisualVMPath");
+}
+
+BaseProfiler *JVisualVMFactory::createProfiler(OneSixInstance *instance, QObject *parent)
+{
+	return new JVisualVM(instance, parent);
+}
+
+bool JVisualVMFactory::check(const QString &path, QString *error)
+{
+	QString resolved = QStandardPaths::findExecutable(path);
+	if (resolved.isEmpty() && !QDir::isAbsolutePath(path))
+	{
+		*error = QObject::tr("Invalid path to JVisualVM");
+		return false;
+	}
+	return true;
+}

logic/profiler/JVisualVM.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "BaseProfiler.h"
+
+class JVisualVM : public BaseProfiler
+{
+	Q_OBJECT
+public:
+	JVisualVM(OneSixInstance *instance, QObject *parent = 0);
+
+protected:
+	void beginProfilingImpl(MinecraftProcess *process);
+};
+
+class JVisualVMFactory : public BaseProfilerFactory
+{
+public:
+	void registerSettings(SettingsObject *settings) override;
+	BaseProfiler *createProfiler(OneSixInstance *instance, QObject *parent = 0) override;
+	bool check(const QString &path, QString *error) override;
+};