rescuecore
Class LongUDPSocket

java.lang.Object
  rescuecore.LongUDPSocket

public class LongUDPSocket

extends java.lang.Object

The LongUDPSocket class encapsulates the sending and receiving of LongUDPMessages to and from the kernal. Messages are received asynchronously and stored in a queue.

Constructor Summary

LongUDPSocket()
Generate a new LongUDPSocket

Method Summary

void	close() Close the socket
LongUDPMessage	receive(int timeout) Fetch a LongUDPMessage from the receive queue.
void	send(LongUDPMessage msg, java.net.InetAddress destination, int port) Send a message

Methods inherited from class java.lang.Object

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

Constructor Detail

LongUDPSocket

public LongUDPSocket()
              throws java.net.SocketException

Generate a new LongUDPSocket

Method Detail

close

public void close()

Close the socket

send

public void send(LongUDPMessage msg,
                 java.net.InetAddress destination,
                 int port)
          throws java.io.IOException

Send a message

Parameters:

msg - The LongUDPMessage to send

destination - The destination address

port - The destination port

Throws:

java.io.IOException - if something goes wrong during sending

receive

public LongUDPMessage receive(int timeout)
                       throws java.io.IOException

Fetch a LongUDPMessage from the receive queue. If the queue is empty then this method will wait for the specified timeout (in ms, -1 to wait forever). If the queue is still empty after this wait then null is returned

Parameters:

timeout - The maximum time to wait, in ms. If this is negative then this method will wait forever (or until interrupted).

Returns:

The next LongUDPMessage in the receive queue

Throws:

java.io.IOException - if there is an error during receiving