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/*******************************************************************************
* Copyright (c) 2011 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.tm.internal.tcf.cdt.ui;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.cdt.debug.core.CDebugCorePlugin;
import org.eclipse.cdt.debug.core.breakpointactions.BreakpointActionManager;
import org.eclipse.cdt.debug.core.breakpointactions.IBreakpointAction;
import org.eclipse.cdt.debug.core.breakpointactions.ILogActionEnabler;
import org.eclipse.cdt.debug.core.breakpointactions.IResumeActionEnabler;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.tm.internal.tcf.debug.actions.TCFAction;
import org.eclipse.tm.internal.tcf.debug.model.TCFBreakpointsModel;
import org.eclipse.tm.internal.tcf.debug.model.TCFContextState;
import org.eclipse.tm.internal.tcf.debug.model.TCFLaunch;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFChildrenLogExpressions;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFModel;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFModelManager;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNodeExecContext;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNodeExpression;
import org.eclipse.tm.tcf.protocol.IToken;
import org.eclipse.tm.tcf.protocol.Protocol;
import org.eclipse.tm.tcf.services.IRunControl;
import org.eclipse.tm.tcf.services.IRunControl.RunControlContext;
import org.eclipse.tm.tcf.util.TCFDataCache;
import org.eclipse.tm.tcf.util.TCFTask;
public class TCFBreakpointActions {
private class BreakpointActionAdapter extends TCFAction implements IAdaptable, ILogActionEnabler, IResumeActionEnabler {
private final HashMap<String,BreakpointActionAdapter> active_actions;
private final TCFNodeExecContext node;
private final Job job;
private boolean started;
private boolean resumed;
BreakpointActionAdapter(final HashMap<String,BreakpointActionAdapter> actions,
final IBreakpoint breakpoint, TCFNodeExecContext node) {
super(node.getModel().getLaunch(), node.getID());
this.active_actions = actions;
this.node = node;
job = new Job("Breakpoint actions") { //$NON-NLS-1$
@Override
protected IStatus run(IProgressMonitor monitor) {
IStatus status = Status.OK_STATUS;
try {
IMarker marker = breakpoint.getMarker();
String names = marker.getAttribute(BreakpointActionManager.BREAKPOINT_ACTION_ATTRIBUTE, "");
final String[] actions = names.split(","); //$NON-NLS-1$
for (int i = 0; i < actions.length && !monitor.isCanceled(); i++) {
String name = actions[i];
IBreakpointAction action = bp_action_manager.findBreakpointAction(name);
if (action != null) {
monitor.setTaskName(action.getSummary());
status = action.execute(breakpoint, BreakpointActionAdapter.this, monitor);
if (status.getCode() != IStatus.OK) break;
}
monitor.worked(1);
}
}
catch (Exception e) {
status = new Status(
IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
"Cannot execute breakpoint action", e);
}
if (!monitor.isCanceled() && status.getCode() != IStatus.OK) Activator.log(status);
Protocol.invokeAndWait(new Runnable() {
public void run() {
assert aborted == (actions.get(ctx_id) != BreakpointActionAdapter.this);
if (!aborted) actions.remove(ctx_id);
BreakpointActionAdapter.this.done();
}
});
return status;
};
};
BreakpointActionAdapter a = actions.get(ctx_id);
if (a != null) a.abort();
assert actions.get(ctx_id) == null;
actions.put(ctx_id, this);
}
@SuppressWarnings("rawtypes")
public Object getAdapter(Class adapter) {
if (adapter.isInstance(this)) return this;
return Platform.getAdapterManager().loadAdapter(this, adapter.getName());
}
public void resume() throws Exception {
new TCFTask<Boolean>(node.getChannel()) {
public void run() {
if (aborted || resumed || node.isDisposed()) {
done(false);
return;
}
TCFDataCache<TCFContextState> state_cache = node.getState();
if (!state_cache.validate(this)) return;
TCFContextState state_data = state_cache.getData();
if (state_data == null || !state_data.is_suspended) {
done(false);
return;
}
TCFDataCache<IRunControl.RunControlContext> ctx_cache = node.getRunContext();
if (!ctx_cache.validate(this)) return;
IRunControl.RunControlContext ctx_data = ctx_cache.getData();
if (ctx_data == null) {
done(false);
return;
}
resumed = true;
ctx_data.resume(IRunControl.RM_RESUME, 1, new IRunControl.DoneCommand() {
public void doneCommand(IToken token, Exception error) {
if (error != null && !aborted) error(error);
else done(true);
}
});
}
}.get();
}
public String evaluateExpression(final String expression) throws Exception {
return new TCFTask<String>(node.getChannel()) {
public void run() {
if (aborted || node.isDisposed()) {
done("");
return;
}
TCFChildrenLogExpressions cache = node.getLogExpressionCache();
cache.addScript(expression);
if (!cache.validate(this)) return;
TCFNodeExpression expr = cache.findScript(expression);
String s = expr.getValueText(true, this);
if (s != null) done(expression + " = " + s);
}
}.get();
}
public void run() {
if (aborted) {
done();
}
else {
// Post delta to update commands UI state.
node.postStateChangedDelta();
job.schedule();
started = true;
}
}
@Override
public int getPriority() {
return 100;
}
@Override
public void abort() {
assert aborted == (active_actions.get(ctx_id) != this);
if (aborted) return;
super.abort();
active_actions.remove(ctx_id);
if (started && job.cancel()) done();
}
}
private class RunControlListener implements IRunControl.RunControlListener {
private final IRunControl rc;
private final TCFModel model;
private final HashMap<String,BreakpointActionAdapter> active_actions;
RunControlListener(TCFModel model) {
this.model = model;
active_actions = new HashMap<String,BreakpointActionAdapter>();
rc = model.getLaunch().getService(IRunControl.class);
if (rc != null) rc.addListener(this);
}
void dispose() {
if (rc != null) rc.removeListener(this);
BreakpointActionAdapter[] arr = active_actions.values().toArray(new BreakpointActionAdapter[active_actions.size()]);
for (BreakpointActionAdapter a : arr) a.abort();
}
public void contextAdded(RunControlContext[] contexts) {
}
public void contextChanged(RunControlContext[] contexts) {
}
public void contextRemoved(String[] context_ids) {
for (String id : context_ids) {
BreakpointActionAdapter a = active_actions.get(id);
if (a != null) a.abort();
}
}
public void contextSuspended(String context, String pc, String reason, Map<String,Object> params) {
if (params == null) return;
Object ids = params.get(IRunControl.STATE_BREAKPOINT_IDS);
if (ids == null) return;
TCFNodeExecContext node = (TCFNodeExecContext)model.getNode(context);
if (node == null) return;
@SuppressWarnings("unchecked")
Collection<String> c = (Collection<String>)ids;
for (String bp_id : c) {
IBreakpoint bp = bp_model.getBreakpoint(bp_id);
if (!bp_action_manager.breakpointHasActions(bp)) continue;
new BreakpointActionAdapter(active_actions, bp, node);
}
}
public void contextResumed(String context) {
BreakpointActionAdapter a = active_actions.get(context);
if (a != null && !a.resumed) a.abort();
}
public void containerSuspended(String context, String pc,
String reason, Map<String, Object> params,
String[] suspended_ids) {
contextSuspended(context, pc, reason, params);
}
public void containerResumed(String[] context_ids) {
for (String id : context_ids) {
contextResumed(id);
}
}
public void contextException(String context, String msg) {
}
}
private final TCFModelManager.ModelManagerListener launch_listener = new TCFModelManager.ModelManagerListener() {
public void onConnected(TCFLaunch launch, TCFModel model) {
assert rc_listeners.get(launch) == null;
new RunControlListener(model);
}
public void onDisconnected(TCFLaunch launch, TCFModel model) {
RunControlListener l = rc_listeners.remove(launch);
if (l != null) l.dispose();
}
};
private final TCFBreakpointsModel bp_model;
private final TCFModelManager model_manager;
private final BreakpointActionManager bp_action_manager;
private final Map<TCFLaunch,RunControlListener> rc_listeners;;
TCFBreakpointActions() {
assert Protocol.isDispatchThread();
bp_action_manager = CDebugCorePlugin.getDefault().getBreakpointActionManager();
bp_model = TCFBreakpointsModel.getBreakpointsModel();
model_manager = TCFModelManager.getModelManager();
model_manager.addListener(launch_listener);
rc_listeners = new HashMap<TCFLaunch,RunControlListener>();
// handle already connected launches
for (ILaunch launch : DebugPlugin.getDefault().getLaunchManager().getLaunches()) {
if (launch instanceof TCFLaunch) {
TCFLaunch tcf_launch = (TCFLaunch)launch;
if (!tcf_launch.isDisconnected() && !tcf_launch.isConnecting()) {
launch_listener.onConnected(tcf_launch, model_manager.getModel(tcf_launch));
}
}
}
}
void dispose() {
assert Protocol.isDispatchThread();
model_manager.removeListener(launch_listener);
for (RunControlListener l : rc_listeners.values()) l.dispose();
rc_listeners.clear();
}
}
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