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/*******************************************************************************
* Copyright (c) 2010, 2015 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 Corporation - initial API and implementation
* Red Hat Inc. - ongoing maintenance
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.consolelog;
import java.io.IOException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.linuxtools.systemtap.graphing.ui.widgets.ExceptionErrorDialog;
import org.eclipse.linuxtools.systemtap.structures.runnable.Command;
import org.eclipse.linuxtools.systemtap.structures.runnable.StreamGobbler;
import org.eclipse.linuxtools.systemtap.ui.consolelog.internal.ConsoleLogPlugin;
import org.eclipse.linuxtools.systemtap.ui.consolelog.structures.RemoteScriptOptions;
import org.eclipse.linuxtools.tools.launch.core.factory.LinuxtoolsProcessFactory;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.JSchException;
public class ScpExec extends Command {
public static final int INPUT_STREAM = 1;
private static final int WAIT_DELAY = 1000;
private Channel channel;
private RemoteScriptOptions remoteOptions;
/**
* Creates the exec helper class
* @param cmd The command to run.
* @param remoteOptions Remote connection information.
* @param envVars Runtime environment properties.
* @since 3.0
*/
public ScpExec(String[] cmd, RemoteScriptOptions remoteOptions, String[] envVars) {
super(cmd, envVars, null);
this.remoteOptions = remoteOptions;
}
@Override
protected IStatus init() {
try {
channel = LinuxtoolsProcessFactory.execRemote(
cmd, System.out, System.err,
remoteOptions.userName, remoteOptions.hostName, remoteOptions.password, remoteOptions.port,
envVars);
errorGobbler = new StreamGobbler(channel.getExtInputStream());
inputGobbler = new StreamGobbler(channel.getInputStream());
transferListeners();
return Status.OK_STATUS;
} catch (final JSchException|IOException e) {
final IStatus status = new Status(IStatus.ERROR, ConsoleLogPlugin.PLUGIN_ID, Messages.ScpExec_FileTransferFailed, e);
return status;
}
}
@Override
public void run() {
try {
errorGobbler.start();
inputGobbler.start();
synchronized (this) {
while (!channel.isClosed()) {
wait(WAIT_DELAY);
}
cleanUpAfterStop();
}
} catch (InterruptedException e) {
// This thread was interrupted while waiting for
// the process to exit. Destroy the process just
// to make sure it exits.
stop();
}
}
@Override
public synchronized void stop() {
if (!stopped) {
try {
if (channel != null) {
channel.getSession().disconnect();
}
cleanUpAfterStop();
} catch (JSchException e) {
ExceptionErrorDialog.openError(Messages.ScpExec_Error,
e.getMessage(), e);
}
}
}
}
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