org/objectweb/proactive/core/process/rlogin/RLoginProcess.java

/* 
 * ################################################################
 * 
 * ProActive: The Java(TM) library for Parallel, Distributed, 
 *            Concurrent computing with Security and Mobility
 * 
 * Copyright (C) 1997-2007 INRIA/University of Nice-Sophia Antipolis
 * Contact: proactive@objectweb.org
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *  
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *  
 *  Initial developer(s):               The ProActive Team
 *                        http://www.inria.fr/oasis/ProActive/contacts.html
 *  Contributor(s): 
 * 
 * ################################################################
 */ 
package org.objectweb.proactive.core.process.rlogin;

import org.objectweb.proactive.core.process.AbstractExternalProcessDecorator;
import org.objectweb.proactive.core.process.ExternalProcess;
import org.objectweb.proactive.core.process.SimpleExternalProcess;
import org.objectweb.proactive.core.process.UniversalProcess;
import org.objectweb.proactive.core.process.lsf.LSFBSubProcess;


public class RLoginProcess extends AbstractExternalProcessDecorator {
    public final static String DEFAULT_RLOGINPATH = "/usr/bin/rlogin ";
    private boolean exitAfterCommand;
    private String username;
    //
    // -- CONSTRUCTORS -----------------------------------------------
    //

    public RLoginProcess() {
        super();
        setCompositionType(SEND_TO_OUTPUT_STREAM_COMPOSITION);
        this.command_path = DEFAULT_RLOGINPATH;
    }

    public RLoginProcess(ExternalProcess targetProcess) {
        this(targetProcess, false);
    }

    public RLoginProcess(ExternalProcess targetProcess, boolean exitAfterCommand) {
        super(targetProcess, SEND_TO_OUTPUT_STREAM_COMPOSITION);
        this.exitAfterCommand = exitAfterCommand;
        this.command_path = DEFAULT_RLOGINPATH;
    }

    //
    // -- PUBLIC METHODS -----------------------------------------------
    //

    public String getProcessId() {
        return "rlogin_" + targetProcess.getProcessId();
    }

    public int getNodeNumber() {
        return targetProcess.getNodeNumber();
    }

    public UniversalProcess getFinalProcess() {
        checkStarted();
        return targetProcess.getFinalProcess();
    }

    public void setExitAfterCommand(boolean b) {
        exitAfterCommand = b;
    }

    public boolean getExitAfterCommand() {
        return exitAfterCommand;
    }

    public static void main(String[] args) {
        try {
            LSFBSubProcess lsf = new LSFBSubProcess(new SimpleExternalProcess(
                        "ls -lsa"));
            RLoginProcess p = new RLoginProcess(lsf, false);
            p.setHostname("galere1");
            p.startProcess();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //
    // -- PROTECTED METHODS -----------------------------------------------
    //
    protected String internalBuildCommand() {
        return buildEnvironmentCommand() + buildRLoginCommand();
    }

    protected String buildRLoginCommand() {
        String command;
        if(this.username == null) {
                command = DEFAULT_RLOGINPATH + hostname + " ";
        }else {
                command = DEFAULT_RLOGINPATH + "-l " + username + " " + hostname + " ";
        }
        return command;
    }

    protected void internalStartProcess(String command)
        throws java.io.IOException {
        super.internalStartProcess(command);
        if (exitAfterCommand) {
            outputMessageSink.setMessage(null);
        }
    }

        public String getUsername() {
                return username;
        }

        public void setUsername(String username) {
                this.username = username;
        }

    //
    // -- PRIVATE METHODS -----------------------------------------------
    //
}

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