Package protocolP2P

Class ProtocolP2PDatagram

java.lang.Object

protocolP2P.ProtocolP2PDatagram

public class ProtocolP2PDatagram
extends java.lang.Object

Representation of datagram.

Version:

1.0

Author:

Louis Royer, Flavien Haas, JS Auge

Constructor Summary

Constructors

Constructor	Description
ProtocolP2PDatagram(Payload payload)	Constructor with payload parameter (typically used when sending datagram).

Method Summary

Modifier and Type	Method	Description
Payload	getPayload()	Returns Payload associated with the datagram.
static ProtocolP2PDatagram	receive(java.net.DatagramSocket socket)	Receive datagram on socket
void	send(java.net.DatagramSocket socket, java.lang.String host, int port)	Send datagram on socket (from client)
void	send(java.net.DatagramSocket socket, ProtocolP2PDatagram received)	Send datagram on socket (from server, as a response)

Methods inherited from class java.lang.Object

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

Constructor Detail

ProtocolP2PDatagram

public ProtocolP2PDatagram(Payload payload)

Constructor with payload parameter (typically used when sending datagram).

Parameters:

payload - the payload associated with the datagram to send

Method Detail

send

public void send(java.net.DatagramSocket socket,
                 java.lang.String host,
                 int port)
          throws InternalError,
                 java.net.UnknownHostException,
                 java.io.IOException

Send datagram on socket (from client)

Parameters:

socket - DatagramSocket used to send datagram.

host - host to send datagram (null if this is a response)

port - port to send datagram (null if this is a response)

Throws:

InternalError

java.net.UnknownHostException

java.io.IOException

send

public void send(java.net.DatagramSocket socket,
                 ProtocolP2PDatagram received)
          throws InternalError,
                 java.io.IOException

Send datagram on socket (from server, as a response)

Parameters:

socket - DatagramSocket used to send datagram.

received - datagram to respond (aka request)

Throws:

InternalError

java.io.IOException

receive

public static ProtocolP2PDatagram receive(java.net.DatagramSocket socket)
                                   throws EmptyFile,
                                          NotFound,
                                          EmptyDirectory,
                                          InternalRemoteError,
                                          VersionRemoteError,
                                          ProtocolRemoteError,
                                          TransmissionError,
                                          ProtocolError,
                                          VersionError,
                                          InternalError,
                                          SizeError,
                                          java.io.IOException

Receive datagram on socket

Parameters:

socket - DatagramSocket used to receive datagram

Throws:

TransmissionError

ProtocolError

VersionError

InternalError

SizeError

ProtocolRemoteError

VersionRemoteError

InternalRemoteError

EmptyDirectory

NotFound

java.io.IOException

EmptyFile

getPayload

public Payload getPayload()

Returns Payload associated with the datagram.

Returns:

payload associated with the datagram