/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package com.talent.nio.utils;
import org.apache.commons.net.telnet.TelnetClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @filename: com.talent.nio.utils.NetUtils
* @copyright: Copyright (c)2010
* @company: talent
* @author: 谭耀武
* @version: 1.0
* @create time: 2013年12月23日 上午11:30:55
* @record
* <table cellPadding="3" cellSpacing="0" style="width:600px">
* <thead style="font-weight:bold;background-color:#e3e197">
* <tr> <td>date</td> <td>author</td> <td>version</td> <td>description</td></tr>
* </thead>
* <tbody style="background-color:#ffffeb">
* <tr><td>2013年12月23日</td> <td>谭耀武</td> <td>1.0</td> <td>create</td></tr>
* </tbody>
* </table>
*/
public class NetUtils
{
private static Logger log = LoggerFactory.getLogger(NetUtils.class);
/**
*
*/
public NetUtils()
{
}
/**
*
* @param ip
* @param port
* @return
*/
public static boolean isConnectable(String ip, int port)
{
try
{
TelnetClient client = new TelnetClient();
client.connect(ip, port);
return true;
} catch (Exception e)
{
return false;
}
}
/**
* @param args
*/
public static void main(String[] args)
{
try
{
long start1 = System.currentTimeMillis();
boolean isConnect = isConnectable("127.0.0.1", 9898);
long end1 = System.currentTimeMillis();
System.out.println(isConnect + ":" + (end1 - start1) + "");
} catch (Exception e)
{
e.printStackTrace();
}
}
}