| /******************************************************************************* |
| * Copyright (c) 2010, 2011 IBM Corporation 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: |
| * IBM - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ptp.internal.remote.rse.core; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.dstore.core.model.DataElement; |
| import org.eclipse.dstore.core.model.DataStore; |
| import org.eclipse.ptp.internal.remote.rse.core.miners.SpawnerMiner; |
| import org.eclipse.ptp.remote.rse.core.RSEAdapterCorePlugin; |
| import org.eclipse.rse.connectorservice.dstore.DStoreConnectorService; |
| import org.eclipse.rse.core.RSECorePlugin; |
| import org.eclipse.rse.core.model.IHost; |
| import org.eclipse.rse.core.subsystems.IConnectorService; |
| import org.eclipse.rse.core.subsystems.ISubSystem; |
| import org.eclipse.rse.core.subsystems.SubSystem; |
| import org.eclipse.rse.internal.services.dstore.shells.DStoreShellService; |
| import org.eclipse.rse.services.clientserver.messages.SystemMessageException; |
| import org.eclipse.rse.services.dstore.util.DStoreStatusMonitor; |
| import org.eclipse.rse.services.shells.IHostShell; |
| import org.eclipse.rse.services.shells.IShellService; |
| import org.eclipse.rse.subsystems.shells.core.subsystems.servicesubsystem.IShellServiceSubSystem; |
| |
| /** |
| * @author crecoskie |
| * |
| */ |
| @SuppressWarnings("restriction") |
| public class SpawnerSubsystem extends SubSystem implements ISubSystem { |
| |
| private boolean fIsInitializing; |
| |
| protected SpawnerSubsystem(IHost host, IConnectorService connectorService) { |
| super(host, connectorService); |
| setHidden(true); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.rse.core.subsystems.SubSystem#initializeSubSystem(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| public synchronized void initializeSubSystem(IProgressMonitor monitor) |
| throws SystemMessageException { |
| |
| boolean isFirstCall = false; |
| if(!fIsInitializing) { |
| fIsInitializing = true; |
| isFirstCall = true; |
| } |
| |
| try { |
| super.initializeSubSystem(monitor); |
| DataStore dataStore = getDataStore(monitor); |
| DataElement status = dataStore |
| .activateMiner("org.eclipse.ptp.internal.remote.rse.core.miners.SpawnerMiner"); //$NON-NLS-1$ |
| |
| if (status != null) { |
| DStoreStatusMonitor statusMonitor = new DStoreStatusMonitor(dataStore); |
| |
| // wait for the miner to be fully initialized |
| try { |
| statusMonitor.waitForUpdate(status, monitor); |
| } catch (InterruptedException e) { |
| RSEAdapterCorePlugin.log(e); |
| } |
| } |
| } |
| |
| finally { |
| if (isFirstCall) |
| fIsInitializing = false; |
| } |
| } |
| |
| protected synchronized DataStore getDataStore(IProgressMonitor monitor) |
| { |
| if(monitor == null) { |
| monitor = new NullProgressMonitor(); |
| } |
| |
| try { |
| RSECorePlugin.waitForInitCompletion(); |
| } catch (InterruptedException e) { |
| RSEAdapterCorePlugin.log(e); |
| return null; |
| } |
| |
| IConnectorService connectorService = getConnectorService(); |
| |
| if(connectorService instanceof DStoreConnectorService) { |
| DStoreConnectorService dstoreConnectorService = (DStoreConnectorService) connectorService; |
| if(!fIsInitializing && !dstoreConnectorService.isConnected()) { |
| try { |
| dstoreConnectorService.connect(monitor); |
| } catch (Exception e) { |
| RSEAdapterCorePlugin.log(e); |
| } |
| } |
| return dstoreConnectorService.getDataStore(); |
| |
| } |
| return null; |
| } |
| |
| @SuppressWarnings("restriction") |
| public synchronized IHostShell spawnRedirected(String cmd, String workingDirectory, String encoding, String[] envp, IProgressMonitor monitor) { |
| DataStore dataStore = getDataStore(monitor); |
| |
| if (dataStore != null) |
| { |
| |
| monitor.beginTask("Launching command: " + cmd, 100); //$NON-NLS-1$ |
| |
| DataElement queryCmd = dataStore.localDescriptorQuery(dataStore.getDescriptorRoot(), SpawnerMiner.C_SPAWN_REDIRECTED); |
| if (queryCmd != null) |
| { |
| |
| ArrayList<Object> args = new ArrayList<Object>(); |
| |
| DataElement dataElement = dataStore.createObject(null, SpawnerMiner.T_SPAWNER_STRING_DESCRIPTOR, cmd); |
| args.add(dataElement); |
| |
| dataElement = dataStore.createObject(null, SpawnerMiner.T_SPAWNER_STRING_DESCRIPTOR, workingDirectory); |
| args.add(dataElement); |
| |
| dataElement = dataStore.createObject(null, SpawnerMiner.T_SPAWNER_STRING_DESCRIPTOR, new Integer(envp.length).toString()); |
| args.add(dataElement); |
| |
| for(String envVar : envp) { |
| dataElement = dataStore.createObject(null, SpawnerMiner.T_SPAWNER_STRING_DESCRIPTOR, envVar); |
| args.add(dataElement); |
| } |
| |
| // execute the command |
| DataElement status = dataStore.command(queryCmd, args, dataStore.getDescriptorRoot()); |
| |
| IShellService shellService = getShellServiceSubSystem().getShellService(); |
| |
| DStoreStatusMonitor statusMonitor; |
| |
| // should be the DStoreShellService |
| if(shellService instanceof DStoreShellService) { |
| statusMonitor = ((DStoreShellService)shellService).getStatusMonitor(dataStore); |
| return new DStoreHostShell(statusMonitor, status, dataStore, workingDirectory, cmd, encoding, envp, true); |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| public IShellServiceSubSystem getShellServiceSubSystem() { |
| ISubSystem[] subsystems = getConnectorService().getSubSystems(); |
| |
| for(ISubSystem subsystem : subsystems) { |
| if(subsystem instanceof IShellServiceSubSystem) |
| return (IShellServiceSubSystem) subsystem; |
| } |
| |
| return null; |
| } |
| |
| } |