communication
Class UnreliableCommElt

java.lang.Object
  communication.CommunicationElement
      communication.UnreliableCommElt

All Implemented Interfaces:

ICommunication

public class UnreliableCommElt
extends CommunicationElement

Unreliable element: send a message without the possibility to know if it has been received by the other element or has been lost.

Nested Class Summary

protected class

UnreliableCommElt.Sender Thread that wait a given delay before sending a message

Nested classes/interfaces inherited from class communication.CommunicationElement

CommunicationElement.Receiver

Field Summary

Fields inherited from class communication.CommunicationElement

crashLevel, debugFault, msgBuffer, myPid, packetLostLevel, randGen, tcp, transmissionDelayLowerBound, transmissionDelayUpperBound

Constructor Summary

UnreliableCommElt()

UnreliableCommElt(int port)

Method Summary

protected void

physicalSendMessage(Message msg, ProcessIdentifier senderId) Method called to "physically" send a message through TCP sockets.

Methods inherited from class communication.CommunicationElement

asynchReceiveMessage, availableMessage, crashProcess, getCrashLevel, getMyPid, getPacketLostLevel, getTransmissionDelayLowerBound, getTransmissionDelayUpperBound, isDebugFault, isPacketLost, sendMessage, sendMessage, setCrashLevel, setDebugFault, setMyPid, setPacketLostLevel, setTransmissionDelayLowerBound, setTransmissionDelayUpperBound, synchReceiveMessage, transmissionDelay

Methods inherited from class java.lang.Object

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

Constructor Detail

UnreliableCommElt

public UnreliableCommElt()
                  throws CommunicationException

Throws:

CommunicationException

UnreliableCommElt

public UnreliableCommElt(int port)
                  throws CommunicationException

Parameters:

port -

Throws:

CommunicationException

Method Detail

physicalSendMessage

protected void physicalSendMessage(Message msg,
                                   ProcessIdentifier senderId)
                            throws CommunicationException

Description copied from class: CommunicationElement

Method called to "physically" send a message through TCP sockets. Will be specialized in ReliableCommElt and UnreliableCommElt depending on the reliability policy.

Specified by:

physicalSendMessage in class CommunicationElement

Parameters:

msg - the message to be sent (including the receiver id)

senderId - the id of the sender

Throws:

CommunicationException - in case of communication problem