| 1 |
/* |
| 2 |
* i-scream central monitoring system |
| 3 |
* http://www.i-scream.org.uk |
| 4 |
* Copyright (C) 2000-2002 i-scream |
| 5 |
* |
| 6 |
* This program is free software; you can redistribute it and/or |
| 7 |
* modify it under the terms of the GNU General Public License |
| 8 |
* as published by the Free Software Foundation; either version 2 |
| 9 |
* of the License, or (at your option) any later version. |
| 10 |
* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
*/ |
| 20 |
|
| 21 |
//---PACKAGE DECLARATION--- |
| 22 |
|
| 23 |
//---IMPORTS--- |
| 24 |
|
| 25 |
import java.net.*; |
| 26 |
import java.io.*; |
| 27 |
|
| 28 |
/** |
| 29 |
* Provides low level network functions for JavaHost |
| 30 |
* <DETAILED DESCRIPTION> |
| 31 |
* |
| 32 |
* @author $Author: tdb $ |
| 33 |
* @version $Id: LowLevelNet.java,v 1.6 2002/05/18 18:15:57 tdb Exp $ |
| 34 |
*/ |
| 35 |
class LowLevelNet { |
| 36 |
|
| 37 |
//---FINAL ATTRIBUTES--- |
| 38 |
|
| 39 |
//---STATIC METHODS--- |
| 40 |
|
| 41 |
/** |
| 42 |
* sendUDPPacket - will attempt to send a UDP packet containing 'inText' to server |
| 43 |
* on the specificed port. |
| 44 |
*/ |
| 45 |
public static void sendUDPPacket( Config config, String inText ){ |
| 46 |
|
| 47 |
if ( inText.length() != 0 ){ |
| 48 |
//System.out.println("SENT: "+inText); |
| 49 |
// will throw an exception if an error occurs, so must bung it in a try |
| 50 |
try { |
| 51 |
DatagramPacket udp = new DatagramPacket( inText.getBytes(), inText.length(), config.getFilterName(), config.getFilterUDPPort() ); |
| 52 |
DatagramSocket sendSoc = new DatagramSocket(); |
| 53 |
sendSoc.send(udp); |
| 54 |
} |
| 55 |
catch ( SocketException e ){ |
| 56 |
// the serverName supplied could not be resolved using dns |
| 57 |
} |
| 58 |
catch ( IOException e ){ |
| 59 |
// problem sending.. |
| 60 |
} |
| 61 |
} |
| 62 |
} |
| 63 |
|
| 64 |
//---CONSTRUCTORS--- |
| 65 |
|
| 66 |
//---PUBLIC METHODS--- |
| 67 |
|
| 68 |
//---PRIVATE METHODS--- |
| 69 |
|
| 70 |
//---ACCESSOR/MUTATOR METHODS--- |
| 71 |
|
| 72 |
//---ATTRIBUTES--- |
| 73 |
|
| 74 |
//---STATIC ATTRIBUTES--- |
| 75 |
|
| 76 |
} |