/*******************************************************************************
* Copyright (c) 2013 Red Hat Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Andrew Ferrazzutti <aferrazz@redhat.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.systemtap.ui.ide.launcher;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.debug.core.Launch;
import org.eclipse.linuxtools.systemtap.ui.consolelog.structures.ScriptConsole;
import org.eclipse.linuxtools.systemtap.ui.consolelog.structures.ScriptConsole.ScriptConsoleObserver;
public class SystemTapScriptLaunch extends Launch
implements ScriptConsoleObserver {
private ScriptConsole console = null;
private boolean runStarted = false;
private boolean runStopped = false;
public SystemTapScriptLaunch(ILaunchConfiguration launchConfiguration, String mode) {
super(launchConfiguration, mode, null);
}
public void setConsole(ScriptConsole console) {
if (this.console == console) {
return;
}
// If another launch is using the same console, remove that launch since
// ScriptConsole prevents two identical stap scripts from being be run at once.
this.console = console;
ILaunchManager manager = DebugPlugin.getDefault().getLaunchManager();
for (ILaunch launch : manager.getLaunches()) {
if (launch.equals(this)) {
continue;
}
if (launch instanceof SystemTapScriptLaunch) {
SystemTapScriptLaunch olaunch = (SystemTapScriptLaunch) launch;
if (olaunch.console == null || olaunch.console.equals(console)) {
olaunch.forceRemove();
}
}
}
console.addScriptConsoleObserver(this);
}
public ScriptConsole getConsole() {
return console;
}
@Override
public void runningStateChanged(boolean started, boolean stopped) {
if (!runStarted && started) {
runStarted = started;
if (console.getCommand().getProcess() != null) {
DebugPlugin.newProcess(this, console.getCommand().getProcess(), console.getName());
}
if (stopped) {
runStopped = true;
}
console.removeScriptConsoleObserver(this);
}
}
@Override
public boolean canTerminate() {
return !isTerminated();
}
@Override
public boolean isTerminated() {
if (!runStopped) {
if (super.isTerminated() || (console != null && !console.isRunning())) {
runStopped = true;
}
}
return runStopped;
}
@Override
public void terminate() {
if (console != null) {
console.stop();
}
}
@Override
public void launchRemoved(ILaunch launch) {
super.launchRemoved(launch);
if (launch.equals(this)) {
removeConsole();
}
}
private void removeConsole() {
if (console != null) {
console.removeScriptConsoleObserver(this);
console = null;
}
}
public void forceRemove() {
removeConsole();
runStopped = true;
ILaunchManager manager = DebugPlugin.getDefault().getLaunchManager();
manager.removeLaunch(this);
}
}