com.dctl.j2me.net
Class UDP

java.lang.Object
  |
  +--com.dctl.j2me.net.UDP

public class UDP

extends Object

This wraps up all the UDP socket methods

Constructor Summary

UDP()

Method Summary

static void	bind(int handle, int address, int port) Bind the socket to a port and address
static void	close(int handle) Close a socket
static int	createSocket() Create a new socket
static int	receive(int handle, byte[] buf, int off, int len, com.dctl.j2me.io.datagram.DatagramImplementation dgram) Receive a datagram
static void	send(int handle, byte[] buf, int off, int len, int address, int port) Send a datagram
static void	send(int handle, int b, int address, int port) Send a single byte in a datagram

Methods inherited from class java.lang.Object

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

Constructor Detail

UDP

public UDP()

Method Detail

createSocket

public static int createSocket()
                        throws IOException

Create a new socket

Returns:

the handle to use

Throws:

IOException - if there is an error

bind

public static void bind(int handle,
                        int address,
                        int port)
                 throws IOException

Bind the socket to a port and address

Parameters:

handle - The handle

address - The address of the interface to bind to

port - The port to bind to

Throws:

IOException - if there is an error

close

public static void close(int handle)
                  throws IOException

Close a socket

Parameters:

handle - The handle

Throws:

IOException - if there is an error

receive

public static int receive(int handle,
                          byte[] buf,
                          int off,
                          int len,
                          com.dctl.j2me.io.datagram.DatagramImplementation dgram)
                   throws IOException

Receive a datagram

Parameters:

handle - The handle

buf - The buffer

off - The offset into the buffer

len - The maximum length to read

dgram - The datagram object to write the remote address and port to

Returns:

the number of bytes read or -1 if EOF

Throws:

IOException - if there is an error

send

public static void send(int handle,
                        byte[] buf,
                        int off,
                        int len,
                        int address,
                        int port)
                 throws IOException

Send a datagram

Parameters:

handle - The handle

buf - The buffer

off - The offset into the buffer

len - The maximum length to write

address - The address to send to

port - The port to send to

Throws:

IOException - if there is an error

send

public static void send(int handle,
                        int b,
                        int address,
                        int port)
                 throws IOException

Send a single byte in a datagram

Parameters:

handle - The handle

b - The byte

address - The address to send to

port - The port to send to

Throws:

IOException - if there is an error