/*******************************************************************************
* Copyright (c) 2006, 2009 Wind River Systems and others.
* 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:
* Wind River Systems - initial API and implementation
* Abeer Bagul (Tensilica) - Updated error message (Bug 339048)
*******************************************************************************/
package org.eclipse.cdt.dsf.gdb.internal;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.RejectedExecutionException;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.Query;
import org.eclipse.cdt.dsf.gdb.launching.GdbLaunch;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*/
public class GdbPlugin extends Plugin {
// Debugging flag
public static boolean DEBUG = false;
// The plug-in ID
public static final String PLUGIN_ID = "org.eclipse.cdt.dsf.gdb"; //$NON-NLS-1$
// The shared instance
private static GdbPlugin plugin;
private static BundleContext fgBundleContext;
/**
* The constructor
*/
public GdbPlugin() {
}
/*
* (non-Javadoc)
* @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
*/
@Override
public void start(BundleContext context) throws Exception {
fgBundleContext = context;
super.start(context);
plugin = this;
DEBUG = "true".equals(Platform.getDebugOption("org.eclipse.cdt.dsf.gdb/debug")); //$NON-NLS-1$//$NON-NLS-2$
}
/*
* (non-Javadoc)
* @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext context) throws Exception {
shutdownActiveLaunches();
plugin = null;
super.stop(context);
fgBundleContext = null;
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static GdbPlugin getDefault() {
return plugin;
}
public static BundleContext getBundleContext() {
return fgBundleContext;
}
/**
* Shuts down any active launches. We must shutdown any active sessions
* and services associated with this plugin before this plugin is stopped.
* Any attempts to use the plugins {@link BundleContext} after the plugin
* is shut down will result in exceptions.
*/
private void shutdownActiveLaunches() {
DebugPlugin debugPlugin = DebugPlugin.getDefault();
if (debugPlugin == null) {
// Simple junit tests don't cause the platform debug plugins to load
return;
}
for (ILaunch launch : debugPlugin.getLaunchManager().getLaunches()) {
if (launch instanceof GdbLaunch && ((GdbLaunch)launch).getSession().isActive()) {
final GdbLaunch gdbLaunch = (GdbLaunch)launch;
Query<Object> launchShutdownQuery = new Query<Object>() {
@Override
protected void execute(DataRequestMonitor<Object> rm) {
gdbLaunch.shutdownSession(rm);
}
};
try {
gdbLaunch.getSession().getExecutor().execute(launchShutdownQuery);
} catch (RejectedExecutionException e) {
// We can get this exception if the session is shutdown concurrently
// to this method running.
break;
}
// The Query.get() method is a synchronous call which blocks until the
// query completes.
try {
launchShutdownQuery.get();
} catch (InterruptedException e) {
getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, "InterruptedException while shutting down launch " + gdbLaunch, e.getCause())); //$NON-NLS-1$
} catch (ExecutionException e) {
getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, "Exception while shutting down launch " + gdbLaunch, e.getCause())); //$NON-NLS-1$
}
}
}
}
public static void debug(String message) {
if (DEBUG) {
while (message.length() > 100) {
String partial = message.substring(0, 100);
message = message.substring(100);
System.out.println(partial + "\\"); //$NON-NLS-1$
}
System.out.print(message);
}
}
public static String getDebugTime() {
StringBuilder traceBuilder = new StringBuilder();
// Record the time
long time = System.currentTimeMillis();
long seconds = (time / 1000) % 1000;
if (seconds < 100) traceBuilder.append('0');
if (seconds < 10) traceBuilder.append('0');
traceBuilder.append(seconds);
traceBuilder.append(',');
long millis = time % 1000;
if (millis < 100) traceBuilder.append('0');
if (millis < 10) traceBuilder.append('0');
traceBuilder.append(millis);
return traceBuilder.toString();
}
}