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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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//---PACKAGE DECLARATION--- |
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package uk.org.iscream.cms.server.filter.plugins; |
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|
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//---IMPORTS--- |
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import uk.org.iscream.cms.server.filter.ServiceCheckSkeleton; |
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import java.net.*; |
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import java.io.*; |
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|
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/** |
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* A quick Telnet service checker. |
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* |
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* @author $Author: tdb $ |
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* @version $Id: Telnet__ServiceCheck.java,v 1.5 2002/05/18 18:16:02 tdb Exp $ |
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*/ |
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public class Telnet__ServiceCheck extends ServiceCheckSkeleton { |
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|
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//---FINAL ATTRIBUTES--- |
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|
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/** |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision: 1.5 $"; |
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|
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public final String DESC = "Checks that a Telnet server is alive."; |
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|
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//---STATIC METHODS--- |
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|
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//---CONSTRUCTORS--- |
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|
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//---PUBLIC METHODS--- |
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|
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/** |
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* Performs the service check on a given host. |
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* |
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* @param hostname the host to check |
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* @return XML data representing the result of the test |
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*/ |
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public String runServiceCheck(String hostname){ |
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String message, status; |
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try { |
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// connect |
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Socket socket = new Socket(hostname, 23); |
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BufferedReader socketIn = new BufferedReader(new InputStreamReader(socket.getInputStream())); |
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// close |
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socketIn.close(); |
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socket.close(); |
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|
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// we only get past here if we connected... |
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// ...which is all we care about |
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status = "0"; |
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message = "Connect accepted"; |
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} catch (IOException e) { |
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status = "1"; |
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message = "Service check failed to establish connection to host: " + e.getMessage(); |
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} |
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return "<Telnet status=\"" + status + "\" message=\"" + message + "\"></Telnet>"; |
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} |
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|
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/** |
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* return the String representation of what the filter does |
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*/ |
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public String getDescription(){ |
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return DESC; |
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} |
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|
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//---PRIVATE METHODS--- |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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|
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//---ATTRIBUTES--- |
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|
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//---STATIC ATTRIBUTES--- |
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|
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} |
