de.tubs.macs.util.net
Class LRMP

java.lang.Object
  |
  +--de.tubs.macs.util.net.LRMP

public class LRMP

extends java.lang.Object

implements inria.net.lrmp.LrmpEventHandler, Net

LRMP Network System.

This is a reliable multicast system.

There are some limitiations:

• Objects must be serializable

Field Summary

static boolean	debug
static int	DEFAULT_BANDWIDTH
static int	DEFAULT_TTL

Fields inherited from interface inria.net.lrmp.LrmpEventHandler

END_OF_SEQUENCE, UNRECOVERABLE_SEQUENCE_ERROR

Constructor Summary

LRMP(java.lang.String typeID, NetManager netManager)

Method Summary

void	close() close the network
void	flush() send all available data
NetAddress	getAddress() get the NetAddress of this Net
java.lang.Object	getOptions() get the options
int	getTTL() return the scope of the Network in form of a TTL.
java.lang.String	getType() return the type id of the Network
void	init(NetReceiver receiver, NetAddress netGroup) Init the Network. After calling this method, object can be sent to all instances using the same group and received object from other instances will be forwarded to the NetReceiver.
void	processData(inria.net.lrmp.LrmpPacket packet)
void	processEvent(int event, java.lang.Object obj)
void	seedHack() ugly address hack for applications in a session
boolean	send(java.lang.Object object) send an Object to the Network

Methods inherited from class java.lang.Object

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

Field Detail

debug

public static final boolean debug

DEFAULT_TTL

public static final int DEFAULT_TTL

DEFAULT_BANDWIDTH

public static final int DEFAULT_BANDWIDTH

Constructor Detail

LRMP

public LRMP(java.lang.String typeID,
            NetManager netManager)

Method Detail

getType

public java.lang.String getType()

Description copied from interface: Net

return the type id of the Network

Specified by:

getType in interface Net

getTTL

public int getTTL()

Description copied from interface: Net

return the scope of the Network in form of a TTL. This should be replaced by a better mechanism sometime.

Specified by:

getTTL in interface Net

init

public void init(NetReceiver receiver,
                 NetAddress netGroup)
          throws NetException

Description copied from interface: Net

Init the Network.
After calling this method, object can be sent to all instances using the same group and received object from other instances will be forwarded to the NetReceiver.

Options will be taken from the group

Specified by:

init in interface Net

Tags copied from interface: Net

Parameters:

reciever - will receive object from this net

group - the group to create or to join join

flush

public void flush()
           throws NetException

Description copied from interface: Net

send all available data

Specified by:

flush in interface Net

close

public void close()
           throws NetException

Description copied from interface: Net

close the network

Specified by:

close in interface Net

send

public boolean send(java.lang.Object object)
             throws NetException

Description copied from interface: Net

send an Object to the Network

Specified by:

send in interface Net

Tags copied from interface: Net

Parameters:

object - the object to send

Returns:

success

getAddress

public NetAddress getAddress()
                      throws NetException

Description copied from interface: Net

get the NetAddress of this Net

Specified by:

getAddress in interface Net

Tags copied from interface: Net

Returns:

the address

getOptions

public java.lang.Object getOptions()

Description copied from interface: Net

get the options

Specified by:

getOptions in interface Net

Tags copied from interface: Net

Returns:

options

processData

public void processData(inria.net.lrmp.LrmpPacket packet)

Specified by:

processData in interface inria.net.lrmp.LrmpEventHandler

processEvent

public void processEvent(int event,
                         java.lang.Object obj)

Specified by:

processEvent in interface inria.net.lrmp.LrmpEventHandler

seedHack

public void seedHack()

ugly address hack for applications in a session