mil.navy.nps.bridge
Class MulticastRelayClient

java.lang.Object
  mil.navy.nps.bridge.MulticastRelayClient

public class MulticastRelayClient

extends java.lang.Object

Relays datagrams to/from MulticastRelayServer.

Field Summary

(package private) ProtocolDataUnit	aPdu
(package private) java.net.DatagramPacket	connectDatagramPacket
static boolean	DEBUG main method that takes clients input of multicast server name and port that client wants to connect to.
(package private) static java.lang.String	DEFAULT_MCAST_ADDRESS
(package private) static java.lang.String	DEFAULT_MCAST_PORT
(package private) static java.net.InetAddress	destinationMulticastAddress
(package private) static int	destinationMulticastPort
(package private) static java.lang.String	disconnect
(package private) java.net.DatagramPacket	dispacket
(package private) java.net.DatagramPacket	incomingDatagramPacket
(package private) static java.lang.String	LocalHostAddress
(package private) static java.lang.String	LocalHostName
(package private) static java.lang.String	LocalHostSubnet
(package private) static int	MAX_PACKET_SIZE
(package private) static java.net.InetAddress	MulticastRelayServerAddress
(package private) static int	MulticastRelayServerPort
(package private) static java.net.MulticastSocket	multicastSocket
(package private) java.net.DatagramPacket	outgoingDatagramPacket
(package private) static java.lang.String	PduHostAddress
(package private) static java.lang.String	PduHostSubnet
(package private) static boolean	receivedFromLocalhostOrLAN
(package private) static boolean	receivedFromServer
protected java.net.DatagramPacket	replyPacket
(package private) static int	SOCKET_TIMEOUT
(package private) static int	TIME_TO_LIVE
(package private) java.net.DatagramSocket	unicastDatagramSocket

Constructor Summary

MulticastRelayClient()

Method Summary

static void	debug(java.lang.String pDebugString) Debugging output.
protected void	finalize() deliberately close tunnel to MulticastRelayServer by sending disconnect message
static void	main(java.lang.String[] args)
void	multicastClientConnect(java.net.InetAddress serverAddress, int serverPort) performs connections to the server
java.lang.String	respondToServer(java.net.DatagramSocket pSocket, java.net.DatagramPacket pPacket, java.net.InetAddress address, int port) check for hello packets from server and respond with "iAmHere" for each packet received.
protected static void	trace(java.lang.String pDiagnostic) Guaranteed debugging output.

Methods inherited from class java.lang.Object

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

Field Detail

unicastDatagramSocket

java.net.DatagramSocket unicastDatagramSocket

connectDatagramPacket

java.net.DatagramPacket connectDatagramPacket

incomingDatagramPacket

java.net.DatagramPacket incomingDatagramPacket

outgoingDatagramPacket

java.net.DatagramPacket outgoingDatagramPacket

aPdu

ProtocolDataUnit aPdu

MulticastRelayServerPort

static int MulticastRelayServerPort

MulticastRelayServerAddress

static java.net.InetAddress MulticastRelayServerAddress

replyPacket

protected java.net.DatagramPacket replyPacket

disconnect

static java.lang.String disconnect

dispacket

java.net.DatagramPacket dispacket

MAX_PACKET_SIZE

static final int MAX_PACKET_SIZE

See Also:

Constant Field Values

SOCKET_TIMEOUT

static final int SOCKET_TIMEOUT

See Also:

Constant Field Values

DEFAULT_MCAST_ADDRESS

static final java.lang.String DEFAULT_MCAST_ADDRESS

See Also:

Constant Field Values

DEFAULT_MCAST_PORT

static final java.lang.String DEFAULT_MCAST_PORT

See Also:

Constant Field Values

TIME_TO_LIVE

static final int TIME_TO_LIVE

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Constant Field Values

multicastSocket

static java.net.MulticastSocket multicastSocket

destinationMulticastAddress

static java.net.InetAddress destinationMulticastAddress

destinationMulticastPort

static int destinationMulticastPort

receivedFromServer

static boolean receivedFromServer

receivedFromLocalhostOrLAN

static boolean receivedFromLocalhostOrLAN

LocalHostName

static java.lang.String LocalHostName

LocalHostAddress

static java.lang.String LocalHostAddress

LocalHostSubnet

static java.lang.String LocalHostSubnet

PduHostAddress

static java.lang.String PduHostAddress

PduHostSubnet

static java.lang.String PduHostSubnet

DEBUG

public static final boolean DEBUG

main method that takes clients input of multicast server name and port that client wants to connect to. Creates and instance of client class and calls methods to mange server connect and datagram processing

See Also:

Constant Field Values

Constructor Detail

MulticastRelayClient

public MulticastRelayClient()

Method Detail

debug

public static void debug(java.lang.String pDebugString)

Debugging output. Pass in a string, and it gets printed out on the console. You can pass in strings such as "foo " + bar.getName().

trace

protected static void trace(java.lang.String pDiagnostic)

Guaranteed debugging output. Pass in a string, and it gets printed out on the console. You can pass in strings such as "foo " + bar.getName().

main

public static void main(java.lang.String[] args)

multicastClientConnect

public void multicastClientConnect(java.net.InetAddress serverAddress,
                                   int serverPort)

performs connections to the server

respondToServer

public java.lang.String respondToServer(java.net.DatagramSocket pSocket,
                                        java.net.DatagramPacket pPacket,
                                        java.net.InetAddress address,
                                        int port)

check for hello packets from server and respond with "iAmHere" for each packet received.

finalize

protected void finalize()

deliberately close tunnel to MulticastRelayServer by sending disconnect message