Package com.dalsemi.onewire.adapter

Class MulticastListener

java.lang.Object

com.dalsemi.onewire.adapter.MulticastListener

All Implemented Interfaces:

Runnable

public class MulticastListener
extends Object
implements Runnable

Generic Mulitcast broadcast listener. Listens for a specific message and, in response, gives the specified reply. Used by NetAdapterHost for automatic discovery of host components for the network-based DSPortAdapter.

Constructor Summary

Constructors

Constructor	Description
MulticastListener(int multicastPort, String multicastGroup, byte[] expectedMessage, byte[] returnMessage)	Creates a multicast listener on the specified multicast port, bound to the specified multicast group.

Method Summary

Modifier and Type	Method	Description
void	run()	Run method waits for Multicast packets with the specified contents and replies with the specified message.
void	stopListener()	Waits for datagram listener to finish, with a timeout.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MulticastListener

public MulticastListener(int multicastPort,
 String multicastGroup,
 byte[] expectedMessage,
 byte[] returnMessage)
                  throws IOException,
UnknownHostException

Creates a multicast listener on the specified multicast port, bound to the specified multicast group. Whenever the byte[] pattern specified by "expectedMessage" is received, the byte[] pattern specified by "returnMessage" is sent to the sender of the "expected message".

Parameters:

multicastPort - Port to bind this listener to.

multicastGroup - Group to bind this listener to.

expectedMessage - the message to look for

returnMessage - the message to reply with

Throws:

IOException

UnknownHostException

Method Details

run

public void run()

Run method waits for Multicast packets with the specified contents and replies with the specified message.

Specified by:

run in interface Runnable

stopListener

public void stopListener()

Waits for datagram listener to finish, with a timeout.