protocolP2P

Class UpdateRatio

java.lang.Object

protocolP2P.Payload

protocolP2P.UpdateRatio

public class UpdateRatio
extends Payload

Representation of payload for update ratio.

Version:

1.0

Author:

Louis Royer, Flavien Haas, JS Auge

Field Summary

Fields

Modifier and Type	Field and Description
private HostItem	client
private static int	CLIENT_PORT_START_POSITION
private static int	DATA_SIZE_POSITION
private long	dataSize
private static int	HOSTNAMES_START_POSITION
private HostItem	server
private static int	SERVER_PORT_START_POSITION

Fields inherited from class protocolP2P.Payload

PAYLOAD_SIZE_POSITION, PAYLOAD_START_POSITION, requestResponseCode

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UpdateRatio(byte[] packet) Constructor (typically used by tracker) with a byte[] parameter containing the Packet received.
	UpdateRatio(HostItem client, HostItem server, long dataSize) Constructor with hostItem (typically used by client)

Method Summary

Modifier and Type	Method and Description
HostItem	getClient() Client getter.
long	getDataSize() dataSize getter.
HostItem	getServer() Server getter
protected byte[]	toPacket() Returns a byte[] containing Packet with padding.

Methods inherited from class protocolP2P.Payload

getPayloadSize, getRequestResponseCode, setPayloadSize

Methods inherited from class java.lang.Object

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

Field Detail

client

private HostItem client

server

private HostItem server

dataSize

private long dataSize

DATA_SIZE_POSITION

private static final int DATA_SIZE_POSITION

See Also:

Constant Field Values

SERVER_PORT_START_POSITION

private static final int SERVER_PORT_START_POSITION

See Also:

Constant Field Values

CLIENT_PORT_START_POSITION

private static final int CLIENT_PORT_START_POSITION

See Also:

Constant Field Values

HOSTNAMES_START_POSITION

private static final int HOSTNAMES_START_POSITION

See Also:

Constant Field Values

Constructor Detail

UpdateRatio

public UpdateRatio(HostItem client,
                   HostItem server,
                   long dataSize)
            throws InternalError

Constructor with hostItem (typically used by client)

Parameters:

client - HostItem of the client application.

server - HostItem of the server application.

dataSize - size of data sent.

Throws:

InternalError

UpdateRatio

protected UpdateRatio(byte[] packet)
               throws SizeError,
                      ProtocolError,
                      InternalError,
                      TransmissionError

Constructor (typically used by tracker) with a byte[] parameter containing the Packet received.

Parameters:

packet - the full Packet received

Throws:

SizeError

InternalError

ProtocolError

TransmissionError

Method Detail

toPacket

protected byte[] toPacket()
                   throws InternalError

Returns a byte[] containing Packet with padding. This Packet is still incomplete and should not be send directly. ProtocolP2PPacket will use this method to generate the complete Packet.

Overrides:

toPacket in class Payload

Returns:

Packet with padding

Throws:

InternalError

getClient

public HostItem getClient()

Client getter.

Returns:

client

getServer

public HostItem getServer()

Server getter

Returns:

server

getDataSize

public long getDataSize()

dataSize getter.

Returns:

dataSize