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/*******************************************************************************
* Copyright (c) 2014 Wind River Systems, Inc. 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
*******************************************************************************/
package org.eclipse.tcf.internal.debug.ui.model;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchesListener;
import org.eclipse.debug.core.Launch;
import org.eclipse.tcf.internal.debug.model.TCFLaunch;
import org.eclipse.tcf.internal.debug.ui.Activator;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchListener;
import org.eclipse.ui.PlatformUI;
/**
* TCFModelManager listens debug launch manager and creates TCF debug models when necessary.
*/
public class TCFModelManager {
private static final Map<TCFLaunch,TCFModel> sync_model_map =
Collections.synchronizedMap(new HashMap<TCFLaunch,TCFModel>());
public interface ModelManagerListener {
public void onConnected(TCFLaunch launch, TCFModel model);
public void onDisconnected(TCFLaunch launch, TCFModel model);
}
private final Map<TCFLaunch,TCFModel> models = new HashMap<TCFLaunch,TCFModel>();
private final List<ModelManagerListener> listeners = new ArrayList<ModelManagerListener>();
private final TCFLaunch.LaunchListener tcf_launch_listener = new TCFLaunch.LaunchListener() {
public void onCreated(TCFLaunch launch) {
assert Protocol.isDispatchThread();
assert models.get(launch) == null;
TCFModel model = new TCFModel(launch);
models.put(launch, model);
sync_model_map.put(launch, model);
}
public void onConnected(TCFLaunch launch) {
assert Protocol.isDispatchThread();
TCFModel model = models.get(launch);
if (model != null) model.onConnected();
for (ModelManagerListener l : listeners) {
try {
l.onConnected(launch, model);
}
catch (Throwable x) {
Activator.log(x);
}
}
}
public void onDisconnected(TCFLaunch launch) {
assert Protocol.isDispatchThread();
TCFModel model = models.get(launch);
if (model != null) model.onDisconnected();
for (ModelManagerListener l : listeners) {
try {
l.onDisconnected(launch, model);
}
catch (Throwable x) {
Activator.log(x);
}
}
}
public void onProcessOutput(TCFLaunch launch, String process_id, int stream_id, byte[] data) {
assert Protocol.isDispatchThread();
TCFModel model = models.get(launch);
if (model != null) model.onProcessOutput(process_id, stream_id, data);
}
public void onProcessStreamError(TCFLaunch launch, String process_id,
int stream_id, Exception error, int lost_size) {
assert Protocol.isDispatchThread();
TCFModel model = models.get(launch);
if (model != null) model.onProcessStreamError(process_id, stream_id, error, lost_size);
}
};
private final ILaunchesListener debug_launch_listener = new ILaunchesListener() {
public void launchesAdded(final ILaunch[] launches) {
}
public void launchesChanged(final ILaunch[] launches) {
Protocol.invokeAndWait(new Runnable() {
public void run() {
for (ILaunch launch : launches) {
TCFModel model = models.get(launch);
if (model != null) model.launchChanged();
}
}
});
}
public void launchesRemoved(final ILaunch[] launches) {
Protocol.invokeAndWait(new Runnable() {
public void run() {
for (ILaunch launch : launches) {
TCFModel model = models.remove(launch);
if (model != null) {
sync_model_map.remove(launch);
model.dispose();
}
}
}
});
}
};
private final IWorkbenchListener workbench_listener = new IWorkbenchListener() {
@Override
public boolean preShutdown(IWorkbench workbench, boolean forced) {
for (ILaunch launch : DebugPlugin.getDefault().getLaunchManager().getLaunches()) {
if (launch instanceof TCFLaunch) {
try {
((TCFLaunch)launch).disconnect();
DebugPlugin.getDefault().getLaunchManager().removeLaunch(launch);
}
catch (Exception x) {
Activator.log("Cannot disconnect TCF launch", x);
}
}
}
TCFMemoryBlockRetrieval.onWorkbenchShutdown();
return true;
}
@Override
public void postShutdown(IWorkbench workbench) {
}
};
public TCFModelManager() {
assert Protocol.isDispatchThread();
try {
PlatformUI.getWorkbench().addWorkbenchListener(workbench_listener);
} catch (IllegalStateException e) {
// In headless environments the plug-in load can be still triggered.
// Should not trigger an "Unhandled exception in TCF event dispatch thread"
}
DebugPlugin.getDefault().getLaunchManager().addLaunchListener(debug_launch_listener);
TCFLaunch.addListener(tcf_launch_listener);
}
public void dispose() {
assert Protocol.isDispatchThread();
try {
PlatformUI.getWorkbench().removeWorkbenchListener(workbench_listener);
} catch (IllegalStateException e) {
// In headless environments the plug-in load can be still triggered.
// Should not trigger an "Unhandled exception in TCF event dispatch thread"
}
DebugPlugin.getDefault().getLaunchManager().removeLaunchListener(debug_launch_listener);
TCFLaunch.removeListener(tcf_launch_listener);
for (Iterator<TCFModel> i = models.values().iterator(); i.hasNext();) {
TCFModel model = i.next();
sync_model_map.remove(model.getLaunch());
model.dispose();
i.remove();
}
assert models.isEmpty();
}
public void addListener(ModelManagerListener l) {
listeners.add(l);
}
public void removeListener(ModelManagerListener l) {
listeners.remove(l);
}
public Collection<TCFModel> getModels() {
assert Protocol.isDispatchThread();
return models.values();
}
public TCFModel getModel(TCFLaunch launch) {
assert Protocol.isDispatchThread();
return models.get(launch);
}
public TCFNodeLaunch getRootNode(TCFLaunch launch) {
TCFModel model = getModel(launch);
if (model == null) return null;
return model.getRootNode();
}
public static TCFModelManager getModelManager() {
return Activator.getModelManager();
}
/**
* Synchronized and thread-safe method to map a launch to TCFModel.
*/
public static TCFModel getModelSync(Launch launch) {
if (launch instanceof TCFLaunch) return sync_model_map.get((TCFLaunch)launch);
return null;
}
/**
* Synchronized and thread-safe method to map a launch to TCFNodeLaunch.
*/
public static TCFNodeLaunch getRootNodeSync(Launch launch) {
if (launch instanceof TCFLaunch) {
TCFModel model = sync_model_map.get((TCFLaunch)launch);
if (model != null) return model.getRootNode();
}
return null;
}
}
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