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Interface Handshake

All Known Implementing Classes:

SimpleHandshake

public interface Handshake

defines the process on how a party can determine whether the connection party is a valid counterpart. The same instance is to be used for both, client and server.

Author:

Holger Antelmann

See Also:

HandshakeException, NetConnection, NetConnectionHandler

Method Summary

void	clientHandshake(NetConnection con) performs a handshake for the given socket on behalf of a client
Object	getHandshakeAnswer(Object question) used to generate the appropriate response to a question (must not return null).
Object	getHandshakeQuestion() returns a question to be asked to validate the handshake (must not return null).
String	getIdentificationString() a String used to identify a specific handshake specification
void	serverHandshake(NetConnection con) performs a handshake for the given socket on behalf of a server

Method Detail

getIdentificationString

String getIdentificationString()

a String used to identify a specific handshake specification

getHandshakeAnswer

Object getHandshakeAnswer(Object question)

used to generate the appropriate response to a question (must not return null). This method must always produce the same output given the same input.

getHandshakeQuestion

Object getHandshakeQuestion()

returns a question to be asked to validate the handshake (must not return null). Successive calls may (and - for security reasons - should) return different values.

serverHandshake

void serverHandshake(NetConnection con)
                     throws IOException,
                            HandshakeException

performs a handshake for the given socket on behalf of a server

Throws:

IOException

HandshakeException

clientHandshake

void clientHandshake(NetConnection con)
                     throws IOException,
                            HandshakeException

performs a handshake for the given socket on behalf of a client

Throws:

IOException

HandshakeException