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/*******************************************************************************
* Copyright (c) 2007, 2010 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
* Martin Oberhuber (Wind River) - [238564] Adopt TM 3.0 APIs
* Uwe Stieber (Wind River) - [271227] Fix compiler warnings in org.eclipse.tm.tcf.rse
* Intel Corporation - [329654] Make all sub services operate against TCF connector service
*******************************************************************************/
package org.eclipse.tm.internal.tcf.rse.processes;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.rse.core.model.IHost;
import org.eclipse.rse.services.clientserver.messages.SystemMessageException;
import org.eclipse.rse.services.clientserver.processes.HostProcessFilterImpl;
import org.eclipse.rse.services.clientserver.processes.IHostProcess;
import org.eclipse.rse.services.clientserver.processes.IHostProcessFilter;
import org.eclipse.rse.services.clientserver.processes.ISystemProcessRemoteConstants;
import org.eclipse.rse.services.processes.AbstractProcessService;
import org.eclipse.rse.services.processes.IProcessService;
import org.eclipse.tm.internal.tcf.rse.ITCFService;
import org.eclipse.tm.internal.tcf.rse.TCFConnectorService;
import org.eclipse.tm.internal.tcf.rse.TCFConnectorServiceManager;
import org.eclipse.tm.internal.tcf.rse.TCFRSETask;
import org.eclipse.tm.tcf.protocol.IToken;
import org.eclipse.tm.tcf.services.IProcesses;
public class TCFProcessService extends AbstractProcessService implements IProcessService {
private final TCFConnectorService connector;
private final TCFProcessResource root;
private final Map<Long,TCFProcessResource> pid2res = new HashMap<Long,TCFProcessResource>();
private final Map<String,Long> signals = new HashMap<String,Long>();
private final List<Runnable> get_signals_wait_list = new ArrayList<Runnable>();
public TCFProcessService(IHost host) {
connector = (TCFConnectorService)TCFConnectorServiceManager
.getInstance().getConnectorService(host, ITCFService.class);
root = new TCFProcessResource(this, null, null, null);
}
public TCFConnectorService getTCFConnectorService() {
return connector;
}
@Override
public String getDescription() {
return "The TCF Process Service uses the Target Communication Framework to provide service for the Processes subsystem." + //$NON-NLS-1$
" It requires a TCF agent to be running on the remote machine."; //$NON-NLS-1$
}
@Override
public String getName() {
return "TCF Process Service"; //$NON-NLS-1$
}
@Override
public IHostProcess getParentProcess(long PID, IProgressMonitor monitor) throws SystemMessageException {
return getProcess(getProcess(PID, monitor).getPPid(), monitor);
}
@Override
public IHostProcess getProcess(final long PID, IProgressMonitor monitor) throws SystemMessageException {
return new TCFRSETask<IHostProcess>() {
public void run() {
if (!root.loadChildren(this)) return;
if (root.getChildrenError() != null) {
error(root.getChildrenError());
return;
}
done(pid2res.get(PID));
}
}.getS(monitor, "Get process properties"); //$NON-NLS-1$
}
public String[] getSignalTypes() {
return new TCFRSETask<String[]>() {
public void run() {
if (signals.isEmpty()) {
if (get_signals_wait_list.contains(this)) {
done(signals.keySet().toArray(new String[signals.size()]));
}
else {
if (get_signals_wait_list.isEmpty()) {
connector.getService(IProcesses.class).getSignalList(null, new IProcesses.DoneGetSignalList() {
public void doneGetSignalList(IToken token, Exception error, Collection<Map<String,Object>> list) {
if (list != null) {
for (Map<String,Object> m : list) {
String name = (String)m.get(IProcesses.SIG_NAME);
Number code = (Number)m.get(IProcesses.SIG_CODE);
if (name != null && code != null) signals.put(name, code.longValue());
}
}
for (Runnable r : get_signals_wait_list) r.run();
get_signals_wait_list.clear();
}
});
}
get_signals_wait_list.add(this);
}
}
else {
done(signals.keySet().toArray(new String[signals.size()]));
}
}
}.getE();
}
public boolean kill(final long PID, final String signal, IProgressMonitor monitor) throws SystemMessageException {
return new TCFRSETask<Boolean>() {
public void run() {
if (!root.loadChildren(this)) return;
if (root.getChildrenError() != null) {
error(root.getChildrenError());
return;
}
TCFProcessResource prs = pid2res.get(PID);
if (prs == null) {
done(false);
return;
}
Long signo = signals.get(signal);
if (signal.equals(ISystemProcessRemoteConstants.PROCESS_SIGNAL_TYPE_DEFAULT)) {
if (signo == null) signo = signals.get("SIGTERM");
if (signo == null) signo = signals.get("SIGKILL");
}
if (signo == null) {
error(new Exception("Unknown signal: " + signal));
return;
}
connector.getService(IProcesses.class).signal(prs.getID(), signo.longValue(), new IProcesses.DoneCommand() {
public void doneCommand(IToken token, Exception error) {
if (error != null) {
error(error);
}
else {
done(true);
}
}
});
}
}.getS(monitor, "Sending signal to a process"); //$NON-NLS-1$
}
private void sort(IHostProcess[] arr) {
Comparator<IHostProcess> c = new Comparator<IHostProcess>() {
public int compare(IHostProcess o1, IHostProcess o2) {
long p1 = o1.getPid();
long p2 = o2.getPid();
if (p1 < p2) return -1;
if (p1 > p2) return 1;
return 0;
}
};
Arrays.sort(arr, c);
}
@Override
public IHostProcess[] listAllProcesses(IProgressMonitor monitor) throws SystemMessageException {
HostProcessFilterImpl rpfs = new HostProcessFilterImpl();
return listAllProcesses(rpfs, monitor);
}
public IHostProcess[] listAllProcesses(final IHostProcessFilter filter, IProgressMonitor monitor) throws SystemMessageException {
return listAllProcesses(filter, root, monitor);
}
private boolean eqaulIDs(String x, String y) {
if (x == null) return y == null;
return x.equals(y);
}
public IHostProcess[] listAllProcesses(final IHostProcessFilter filter, final IHostProcess up, IProgressMonitor monitor) throws SystemMessageException {
new TCFRSETask<Boolean>() {
public void run() {
TCFProcessResource parent = (TCFProcessResource)up;
if (parent != null) {
if (filter.getPpid() == null || filter.getPpid().equals("*") || parent.getChildrenError() != null) { //$NON-NLS-1$
parent.flushChildrenCache();
}
}
done(true);
}
}.getE();
return new TCFRSETask<IHostProcess[]>() {
public void run() {
TCFProcessResource parent = (TCFProcessResource)up;
if (parent == null) {
error(new IOException("Invalid parent")); //$NON-NLS-1$
return;
}
if (!parent.loadChildren(this)) return;
if (parent.getChildrenError() != null) {
error(parent.getChildrenError());
return;
}
List<IHostProcess> l = new ArrayList<IHostProcess>();
for (TCFProcessResource p : pid2res.values()) {
if (eqaulIDs(parent.getID(), p.getParentID())) {
if (p.getError() == null && filter.allows(p.getStatusLine())) l.add(p);
}
}
IHostProcess[] arr = new IHostProcess[l.size()];
l.toArray(arr);
sort(arr);
done(arr);
}
}.getS(monitor, "List processes"); //$NON-NLS-1$
}
@Override
public IHostProcess[] listAllProcesses(String exeNameFilter, String userNameFilter, String stateFilter, IProgressMonitor monitor)
throws SystemMessageException {
HostProcessFilterImpl rpfs = new HostProcessFilterImpl();
rpfs.setName(exeNameFilter);
rpfs.setUsername(userNameFilter);
rpfs.setSpecificState(stateFilter);
return listAllProcesses(rpfs, monitor);
}
@Override
public IHostProcess[] listChildProcesses(long parentPID, IProgressMonitor monitor) throws SystemMessageException {
HostProcessFilterImpl rpfs = new HostProcessFilterImpl();
return listChildProcesses(parentPID, rpfs, monitor);
}
@Override
public IHostProcess[] listChildProcesses(long parentPID, IHostProcessFilter filter, IProgressMonitor monitor)
throws SystemMessageException {
filter.setPpid(Long.toString(parentPID));
return listAllProcesses(filter, monitor);
}
@Override
public IHostProcess[] listRootProcesses(IProgressMonitor monitor) throws SystemMessageException {
IHostProcess[] roots = new IHostProcess[1];
roots[0] = getProcess(1, monitor);
return roots;
}
Map<Long,TCFProcessResource> getProcessCache() {
return pid2res;
}
}
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