Java InetAddress Create getFreeSocket(InetAddress bindAddress, int portRangeStart, int portRangeEnd)

Description

get Free Socket

License

Open Source License

Declaration

public static int getFreeSocket(InetAddress bindAddress, int portRangeStart, int portRangeEnd) 

Method Source Code

//package com.java2s;
/*/*  w w w . ja  v  a  2s .c  o m*/
JJSP - Java and Javascript Server Pages 
Copyright (C) 2016 Global Travel Ventures Ltd
    
This program is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published by 
the Free Software Foundation, either version 3 of the License, or 
(at your option) any later version.
    
This program 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 
for more details.
    
You should have received a copy of the GNU General Public License along with 
this program. If not, see http://www.gnu.org/licenses/.
*/

import java.net.*;

public class Main {
    public static int getFreeSocket(InetAddress bindAddress, int portRangeStart, int portRangeEnd) {
        for (int port = portRangeStart; port < portRangeEnd; port++) {
            ServerSocket ssocket = null;
            try {
                ssocket = new ServerSocket();
                ssocket.setReuseAddress(false);
                ssocket.setSoTimeout(10);
                ssocket.bind(new InetSocketAddress(bindAddress, port), 10000);

                return port;
            } catch (Exception e) {
            } finally {
                try {
                    ssocket.close();
                } catch (Exception e) {
                }
            }
        }

        return -1;
    }
}

Related

1. getConnectionAddress(InetAddress addr)
2. getDestinationInetAddress(URI uri)
3. getExternalAddresses(InetAddress[] addresses)
4. getFQDN(final InetAddress addr)
5. getFreePort(InetAddress ipAddress)
6. getFreeTCPPort(InetAddress ipAddress)
7. getFullHostName(InetAddress netAddress)
8. getHashFromAddress(final InetAddress address)
9. getHostAddress(InetAddress address)