esg.node.connection.ESGConnectorTester.java Source code

Java tutorial

Introduction

Here is the source code for esg.node.connection.ESGConnectorTester.java

Source

/***************************************************************************
*                                                                          *
*  Organization: Lawrence Livermore National Lab (LLNL)                    *
*   Directorate: Computation                                               *
*    Department: Computing Applications and Research                       *
*      Division: S&T Global Security                                       *
*        Matrix: Atmospheric, Earth and Energy Division                    *
*       Program: PCMDI                                                     *
*       Project: Earth Systems Grid Federation (ESGF) Data Node Software   *
*  First Author: Gavin M. Bell (gavin@llnl.gov)                            *
*                                                                          *
****************************************************************************
*                                                                          *
*   Copyright (c) 2009, Lawrence Livermore National Security, LLC.         *
*   Produced at the Lawrence Livermore National Laboratory                 *
*   Written by: Gavin M. Bell (gavin@llnl.gov)                             *
*   LLNL-CODE-420962                                                       *
*                                                                          *
*   All rights reserved. This file is part of the:                         *
*   Earth System Grid Federation (ESGF) Data Node Software Stack           *
*                                                                          *
*   For details, see http://esgf.org/esg-node/                             *
*   Please also read this link                                             *
*    http://esgf.org/LICENSE                                               *
*                                                                          *
*   * Redistribution and use in source and binary forms, with or           *
*   without modification, are permitted provided that the following        *
*   conditions are met:                                                    *
*                                                                          *
*   * Redistributions of source code must retain the above copyright       *
*   notice, this list of conditions and the disclaimer below.              *
*                                                                          *
*   * Redistributions in binary form must reproduce the above copyright    *
*   notice, this list of conditions and the disclaimer (as noted below)    *
*   in the documentation and/or other materials provided with the          *
*   distribution.                                                          *
*                                                                          *
*   Neither the name of the LLNS/LLNL nor the names of its contributors    *
*   may be used to endorse or promote products derived from this           *
*   software without specific prior written permission.                    *
*                                                                          *
*   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS    *
*   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT      *
*   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS      *
*   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL LAWRENCE    *
*   LIVERMORE NATIONAL SECURITY, LLC, THE U.S. DEPARTMENT OF ENERGY OR     *
*   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,           *
*   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT       *
*   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF       *
*   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND    *
*   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,     *
*   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT     *
*   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF     *
*   SUCH DAMAGE.                                                           *
*                                                                          *
***************************************************************************/

/**
   Description:
    
   The entire point of this class is to enable to ability to make
   calls against the esgf-node-manager.  It can be considered a node
   manager "stub".
    
**/
package esg.node.connection;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.impl.*;

public class ESGConnectorTester {

    private static final Log log = LogFactory.getLog(ESGConnectorTester.class);

    public static void main(String[] args) {
        for (String arg : args)
            System.out.println(arg);
        if (args.length < 1 || args.length > 2) {
            System.out.println(" Usage requries args: [\"prune\" | \"ping\"]");
            System.exit(1);
        }

        System.out.println("Running ESGConnector...");
        String function = args[0];
        String host = "localhost";
        if (args.length == 2)
            host = args[1];
        try {
            if (function.equalsIgnoreCase("prune")) {
                System.out.println("prune -> " + host);
                if (ESGConnector.getInstance().setSecured(false).setEndpoint(host, true).prune()) {
                    System.out.println("Pruned dead peer connections from " + host);
                } else {
                    System.out.println("There were no dead peer connections detected on " + host
                            + " (or host itself is dead)");
                }
            }

            if (function.equalsIgnoreCase("ping")) {
                System.out.println("ping -> " + host);
                if (ESGConnector.getInstance().setSecured(false).setEndpoint(host, true).ping()) {
                    System.out.println("Successfully pinged " + host);
                } else {
                    System.out.println("Unable to ping " + host);
                }
            }
        } catch (Throwable t) {
            log.error("Oops there was a problem... is the node manager running on "
                    + ESGConnector.getInstance().getEndpoint() + "?");
            log.error(t);
            t.printStackTrace();
            ESGConnector.getInstance().clearCache();
        }
        System.out.println("bye");
    }

}