| /******************************************************************************* |
| * Copyright (c) 2010, 2012 Ericsson and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Ericsson - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.dsf.gdb.internal.ui.commands; |
| |
| import java.util.Hashtable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.RejectedExecutionException; |
| |
| import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor; |
| import org.eclipse.cdt.dsf.concurrent.DsfExecutor; |
| import org.eclipse.cdt.dsf.concurrent.ImmediateRequestMonitor; |
| import org.eclipse.cdt.dsf.concurrent.Query; |
| import org.eclipse.cdt.dsf.datamodel.DMContexts; |
| import org.eclipse.cdt.dsf.gdb.internal.commands.ISelectNextTraceRecordHandler; |
| import org.eclipse.cdt.dsf.gdb.internal.ui.GdbUIPlugin; |
| import org.eclipse.cdt.dsf.gdb.service.GDBTraceControl_7_2.TraceRecordSelectedChangedEvent; |
| import org.eclipse.cdt.dsf.gdb.service.IGDBTraceControl; |
| import org.eclipse.cdt.dsf.gdb.service.IGDBTraceControl.ITraceRecordDMContext; |
| import org.eclipse.cdt.dsf.gdb.service.IGDBTraceControl.ITraceStatusDMData; |
| import org.eclipse.cdt.dsf.gdb.service.IGDBTraceControl.ITraceTargetDMContext; |
| import org.eclipse.cdt.dsf.service.DsfServicesTracker; |
| import org.eclipse.cdt.dsf.service.DsfSession; |
| import org.eclipse.cdt.dsf.ui.viewmodel.datamodel.IDMVMContext; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.debug.core.IRequest; |
| import org.eclipse.debug.core.commands.AbstractDebugCommand; |
| import org.eclipse.debug.core.commands.IDebugCommandRequest; |
| import org.eclipse.debug.core.commands.IEnabledStateRequest; |
| |
| /** |
| * Command to select the next trace record |
| * |
| * @since 2.1 |
| */ |
| public class GdbSelectNextTraceRecordCommand extends AbstractDebugCommand implements ISelectNextTraceRecordHandler { |
| private final DsfExecutor fExecutor; |
| private final DsfServicesTracker fTracker; |
| private final DsfSession fSession; |
| |
| public GdbSelectNextTraceRecordCommand(DsfSession session) { |
| fExecutor = session.getExecutor(); |
| fTracker = new DsfServicesTracker(GdbUIPlugin.getBundleContext(), session.getId()); |
| fSession = session; |
| } |
| |
| public void dispose() { |
| fTracker.dispose(); |
| } |
| |
| @Override |
| protected void doExecute(Object[] targets, IProgressMonitor monitor, IRequest request) throws CoreException { |
| if (targets.length != 1) { |
| return; |
| } |
| |
| final ITraceTargetDMContext dmc = DMContexts.getAncestorOfType(((IDMVMContext) targets[0]).getDMContext(), |
| ITraceTargetDMContext.class); |
| if (dmc == null) { |
| return; |
| } |
| |
| Query<Object> selectRecordQuery = new Query<>() { |
| @Override |
| public void execute(final DataRequestMonitor<Object> rm) { |
| final IGDBTraceControl traceControl = fTracker.getService(IGDBTraceControl.class); |
| |
| if (traceControl != null) { |
| traceControl.getCurrentTraceRecordContext(dmc, |
| new DataRequestMonitor<ITraceRecordDMContext>(fExecutor, rm) { |
| @Override |
| protected void handleSuccess() { |
| final ITraceRecordDMContext previousDmc = getData(); |
| ITraceRecordDMContext nextDmc = traceControl.createNextRecordContext(previousDmc); |
| // Must send the event right away to tell the services we are starting visualization |
| // If we don't, the services won't behave accordingly soon enough |
| // Bug 347514 |
| fSession.dispatchEvent(new TraceRecordSelectedChangedEvent(nextDmc), |
| new Hashtable<String, String>()); |
| |
| traceControl.selectTraceRecord(nextDmc, new ImmediateRequestMonitor(rm) { |
| @Override |
| protected void handleError() { |
| // If we weren't able to select the next record, we must notify that we are still on the previous one |
| // since we have already sent a TraceRecordSelectedChangedEvent early, but it didn't happen. |
| fSession.dispatchEvent(new TraceRecordSelectedChangedEvent(previousDmc), |
| new Hashtable<String, String>()); |
| rm.done(); |
| } |
| }); |
| } |
| }); |
| } else { |
| rm.done(); |
| } |
| } |
| }; |
| try { |
| fExecutor.execute(selectRecordQuery); |
| selectRecordQuery.get(); |
| } catch (InterruptedException e) { |
| } catch (ExecutionException e) { |
| } catch (RejectedExecutionException e) { |
| // Can be thrown if the session is shutdown |
| } |
| } |
| |
| @Override |
| protected boolean isExecutable(Object[] targets, IProgressMonitor monitor, IEnabledStateRequest request) |
| throws CoreException { |
| if (targets.length != 1) { |
| return false; |
| } |
| |
| final ITraceTargetDMContext dmc = DMContexts.getAncestorOfType(((IDMVMContext) targets[0]).getDMContext(), |
| ITraceTargetDMContext.class); |
| if (dmc == null) { |
| return false; |
| } |
| |
| Query<Boolean> canSelectRecordQuery = new Query<>() { |
| @Override |
| public void execute(final DataRequestMonitor<Boolean> rm) { |
| IGDBTraceControl traceControl = fTracker.getService(IGDBTraceControl.class); |
| |
| if (traceControl != null) { |
| traceControl.getTraceStatus(dmc, new DataRequestMonitor<ITraceStatusDMData>(fExecutor, rm) { |
| @Override |
| protected void handleSuccess() { |
| if (getData().getNumberOfCollectedFrame() > 0) { |
| IGDBTraceControl traceControl = fTracker.getService(IGDBTraceControl.class); |
| if (traceControl != null) { |
| traceControl.isTracing(dmc, new DataRequestMonitor<Boolean>(fExecutor, rm) { |
| @Override |
| protected void handleSuccess() { |
| rm.setData(!getData()); |
| rm.done(); |
| } |
| }); |
| } else { |
| rm.setData(false); |
| rm.done(); |
| } |
| } else { |
| rm.setData(false); |
| rm.done(); |
| } |
| } |
| }); |
| } else { |
| rm.setData(false); |
| rm.done(); |
| } |
| } |
| }; |
| try { |
| fExecutor.execute(canSelectRecordQuery); |
| return canSelectRecordQuery.get(); |
| } catch (InterruptedException e) { |
| } catch (ExecutionException e) { |
| } catch (RejectedExecutionException e) { |
| // Can be thrown if the session is shutdown |
| } |
| |
| return false; |
| } |
| |
| @Override |
| protected Object getTarget(Object element) { |
| if (element instanceof IDMVMContext) { |
| return element; |
| } |
| return null; |
| } |
| |
| @Override |
| protected boolean isRemainEnabled(IDebugCommandRequest request) { |
| return true; |
| } |
| } |