/*******************************************************************************
* Copyright (c) 2007, 2014 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
* Ericsson - Make the class thread-safe as it can be accessed by multiple
* DSF debug sessions at the same time (bug 444636)
*******************************************************************************/
package org.eclipse.cdt.dsf.gdb.breakpoints;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.eclipse.cdt.debug.core.model.ICBreakpoint;
import org.eclipse.cdt.dsf.datamodel.DMContexts;
import org.eclipse.cdt.dsf.debug.service.IDsfBreakpointExtension;
import org.eclipse.cdt.dsf.debug.service.IRunControl.IContainerDMContext;
import org.eclipse.cdt.dsf.debug.service.IRunControl.IExecutionDMContext;
import org.eclipse.core.runtime.CoreException;
/**
*
*/
public class CBreakpointGdbThreadsFilterExtension implements IDsfBreakpointExtension {
private final Map<IContainerDMContext,Set<IExecutionDMContext>> fFilteredThreadsByTarget =
Collections.synchronizedMap(new HashMap<IContainerDMContext,Set<IExecutionDMContext>>(1));
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICBreakpointExtension#initialize(org.eclipse.cdt.debug.core.model.ICBreakpoint)
*/
@Override
public void initialize(ICBreakpoint breakpoint) {
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICBreakpoint#getTargetFilters()
*/
@Override
public IContainerDMContext[] getTargetFilters() throws CoreException {
Set<IContainerDMContext> set = fFilteredThreadsByTarget.keySet();
synchronized (fFilteredThreadsByTarget) {
return set.toArray(new IContainerDMContext[set.size()]);
}
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICBreakpoint#getThreadFilters(org.eclipse.cdt.debug.core.model.ICDebugTarget)
*/
@Override
public IExecutionDMContext[] getThreadFilters( IContainerDMContext target ) throws CoreException {
Set<IExecutionDMContext> set = fFilteredThreadsByTarget.get( target );
return ( set != null ) ? set.toArray( new IExecutionDMContext[set.size()] ) : null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICBreakpoint#removeTargetFilter(org.eclipse.cdt.debug.core.model.ICDebugTarget)
*/
@Override
public void removeTargetFilter( IContainerDMContext target ) throws CoreException {
fFilteredThreadsByTarget.remove(target);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICBreakpoint#removeThreadFilters(org.eclipse.cdt.debug.core.model.ICThread[])
*/
@Override
public void removeThreadFilters( IExecutionDMContext[] threads ) throws CoreException {
if ( threads != null && threads.length > 0 ) {
IContainerDMContext target = DMContexts.getAncestorOfType(threads[0], IContainerDMContext.class);
Set<IExecutionDMContext> set = fFilteredThreadsByTarget.get( target );
if ( set != null ) {
set.removeAll( Arrays.asList( threads ) );
if ( set.isEmpty() ) {
fFilteredThreadsByTarget.remove( target );
}
}
}
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICBreakpoint#setTargetFilter(org.eclipse.cdt.debug.core.model.ICDebugTarget)
*/
@Override
public void setTargetFilter( IContainerDMContext target ) throws CoreException {
fFilteredThreadsByTarget.put( target, null );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICBreakpoint#setThreadFilters(org.eclipse.cdt.debug.core.model.ICThread[])
*/
@Override
public void setThreadFilters( IExecutionDMContext[] threads ) throws CoreException {
if ( threads != null && threads.length > 0 ) {
IContainerDMContext target = DMContexts.getAncestorOfType(threads[0], IContainerDMContext.class);
fFilteredThreadsByTarget.put( target, new HashSet<IExecutionDMContext>( Arrays.asList( threads ) ) );
}
}
}