p2p.simulator.network
Class Network

java.lang.Object
  p2p.simulator.network.Network

public class Network
extends java.lang.Object

This class simulates the underlying network. A vector is used to store the messages that are sent using the sendMsg method. A peer can retrive a message, if there is any, using the recvMsg and its Id as parameter.

Field Summary

static int	BROADCAST
static int	MULTICAST
static int	POINT_TO_POINT

Constructor Summary

Network()
Instatiates and initializes the uderlying network.

Method Summary

void	broadcastMsg(Message msg) Should not be used.
java.util.Vector<Message>	getNetQueue() Returns the queue that stores the messages.
void	multicastMsg(Message msg, long begin, long end) Sends a message to a range of peers.
Message	recvMsg(long id) Receives a message destinate to peer with the specific id.
void	sendMsg(Message msg) Sends a message to peer.

Methods inherited from class java.lang.Object

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

Field Detail

POINT_TO_POINT

public static final int POINT_TO_POINT

See Also:

Constant Field Values

BROADCAST

public static final int BROADCAST

See Also:

Constant Field Values

MULTICAST

public static final int MULTICAST

See Also:

Constant Field Values

Constructor Detail

Network

public Network()

Instatiates and initializes the uderlying network.

Method Detail

sendMsg

public void sendMsg(Message msg)

Sends a message to peer.

Parameters:

msg - The message is beeing sent.

recvMsg

public Message recvMsg(long id)

Receives a message destinate to peer with the specific id.

Parameters:

id - The peer's id that calls the method.

Returns:

A message if there is a message for the peer id or null otherwise.

broadcastMsg

public void broadcastMsg(Message msg)

Should not be used.

Parameters:

msg -

multicastMsg

public void multicastMsg(Message msg,
                         long begin,
                         long end)

Sends a message to a range of peers.

Parameters:

msg - The message that is beeing sent.

begin - The first peer id of the range.

end - The last peer id of the range.

getNetQueue

public java.util.Vector<Message> getNetQueue()

Returns the queue that stores the messages.

Returns:

The message queue.