protocolP2P

Class ProtocolP2PPacketTCP<T extends Payload>

java.lang.Object

protocolP2P.ProtocolP2PPacket<T>

protocolP2P.ProtocolP2PPacketTCP<T>

public class ProtocolP2PPacketTCP<T extends Payload>
extends ProtocolP2PPacket<T>

Representation of packet.

Version:

1.0

Author:

Louis Royer, Flavien Haas, JS Auge

Field Summary

Fields

Modifier and Type	Field and Description
private java.net.Socket	requestSocket
private java.net.Socket	responseSocket

Fields inherited from class protocolP2P.ProtocolP2PPacket

payload, version, VERSION_POSITION

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ProtocolP2PPacketTCP(byte[] packet) Private constructor with packet as byte[] parameter (typically used when receiving Packet response).
	ProtocolP2PPacketTCP(java.lang.Object socket) Receive Request (typically used from server).
	ProtocolP2PPacketTCP(T payload) Constructor with payload parameter (typically used when sending packet).

Method Summary

Modifier and Type	Method and Description
private void	constructPacket(byte[] packet) Private constructor helper with packet as byte[] parameter (typically used when receiving Packet response/request).
private void	constructPacket(byte[] packet, java.net.Socket responseSocket) Private constructor helper with packet as byte[] parameter and (typically used when receiving Packet request).
HostItem	getHostItem() Get hostItem of the sender
ProtocolP2PPacket<?>	receiveResponse() Receive response (typically used by client).
protected void	send(java.net.Socket socket) Send a Packet.
void	sendRequest(java.lang.Object socket) Send a Request throught socket.
<U extends ProtocolP2PPacket<?>> void	sendResponse(U response) Send a Response to a Request (typically used from server).
protected byte[]	toPacket() Returns a byte[] containing full packet (typically used when sending packet).

Methods inherited from class protocolP2P.ProtocolP2PPacket

checkProtocolVersion, getPayload

Methods inherited from class java.lang.Object

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

Field Detail

responseSocket

private java.net.Socket responseSocket

requestSocket

private java.net.Socket requestSocket

Constructor Detail

ProtocolP2PPacketTCP

public ProtocolP2PPacketTCP(T payload)

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

Parameters:

payload - the payload associated with the packet to send

ProtocolP2PPacketTCP

public ProtocolP2PPacketTCP(java.lang.Object socket)
                     throws TransmissionError,
                            ProtocolError,
                            VersionError,
                            InternalError,
                            SizeError,
                            SocketClosed,
                            java.io.IOException

Receive Request (typically used from server).

Parameters:

socket - socket used to receive request

Throws:

TransmissionError

ProtocolError

VersionError

InternalError

SizeError

SocketClosed

java.io.IOException

ProtocolP2PPacketTCP

private ProtocolP2PPacketTCP(byte[] packet)
                      throws TransmissionError,
                             ProtocolError,
                             VersionError,
                             InternalError,
                             SizeError

Private constructor with packet as byte[] parameter (typically used when receiving Packet response).

Parameters:

packet - the full Packet received

Throws:

TransmissionError

ProtocolError

VersionError

InternalError

SizeError

Method Detail

send

protected void send(java.net.Socket socket)
             throws InternalError,
                    SocketClosed,
                    java.io.IOException

Send a Packet. Socket must be set and connected.

Parameters:

socket - Socket used to send Packet.

Throws:

InternalError

SocketClosed

java.io.IOException

sendRequest

public void sendRequest(java.lang.Object socket)
                 throws InternalError,
                        java.io.IOException,
                        SocketClosed

Send a Request throught socket. Socket must be connected (typically used from client).

Specified by:

sendRequest in class ProtocolP2PPacket<T extends Payload>

Parameters:

socket - Socket. Must be connected.

Throws:

InternalError

SocketClosed

java.io.IOException

sendResponse

public <U extends ProtocolP2PPacket<?>> void sendResponse(U response)
                                                   throws InternalError,
                                                          java.io.IOException,
                                                          SocketClosed

Send a Response to a Request (typically used from server).

Specified by:

sendResponse in class ProtocolP2PPacket<T extends Payload>

Parameters:

response - Packet to send as a response.

Throws:

InternalError

java.io.IOException

SocketClosed

receiveResponse

public ProtocolP2PPacket<?> receiveResponse()
                                     throws EmptyFile,
                                            NotFound,
                                            NotATracker,
                                            EmptyDirectory,
                                            InternalRemoteError,
                                            VersionRemoteError,
                                            ProtocolRemoteError,
                                            TransmissionError,
                                            ProtocolError,
                                            VersionError,
                                            InternalError,
                                            SizeError,
                                            java.io.IOException,
                                            SocketClosed,
                                            UnknownHost

Receive response (typically used by client).

Specified by:

receiveResponse in class ProtocolP2PPacket<T extends Payload>

Returns:

ProtocolP2PPacket received

Throws:

EmptyFile

NotFound

NotATracker

EmptyDirectory

InternalRemoteError

VersionRemoteError

ProtocolRemoteError

TransmissionError

ProtocolError

VersionError

InternalError

SizeError

java.io.IOException

SocketClosed

UnknownHost

constructPacket

private void constructPacket(byte[] packet)
                      throws TransmissionError,
                             ProtocolError,
                             VersionError,
                             InternalError,
                             SizeError

Private constructor helper with packet as byte[] parameter (typically used when receiving Packet response/request).

Parameters:

packet - the full Packet received

Throws:

TransmissionError

ProtocolError

VersionError

InternalError

SizeError

constructPacket

private void constructPacket(byte[] packet,
                             java.net.Socket responseSocket)
                      throws TransmissionError,
                             ProtocolError,
                             VersionError,
                             InternalError,
                             SizeError

Private constructor helper with packet as byte[] parameter and (typically used when receiving Packet request).

Parameters:

packet - the full Packet received

responseSocket - socket address used to reception this request (use this one to respond)

Throws:

TransmissionError

ProtocolError

VersionError

InternalError

SizeError

toPacket

protected byte[] toPacket()
                   throws InternalError

Returns a byte[] containing full packet (typically used when sending packet). This packet is complete and ready to be send.

Returns:

the full packet to send

Throws:

InternalError

getHostItem

public HostItem getHostItem()
                     throws InternalError

Get hostItem of the sender

Specified by:

getHostItem in class ProtocolP2PPacket<T extends Payload>

Returns:

hostItem of the sender

Throws:

InternalError