org.mpisws.p2p.transport.ssl
Class SSLTransportLayerImpl<Identifier,MessageType>

java.lang.Object
  org.mpisws.p2p.transport.ssl.SSLTransportLayerImpl<Identifier,MessageType>

Type Parameters:

Identifier -

All Implemented Interfaces:

SSLTransportLayer<Identifier,MessageType>, TransportLayer<Identifier,MessageType>, TransportLayerCallback<Identifier,MessageType>, Destructable

public class SSLTransportLayerImpl<Identifier,MessageType>
extends java.lang.Object
implements SSLTransportLayer<Identifier,MessageType>

Does not encrypt UDP messages The server authenticates to the client via a CACert

Author:

Jeff Hoye

Field Summary

protected TransportLayerCallback<Identifier,MessageType>	callback
protected javax.net.ssl.SSLContext	context
protected Environment	environment
protected ErrorHandler<Identifier>	errorHandler
protected Logger	logger
protected TransportLayer<Identifier,MessageType>	tl

Fields inherited from interface org.mpisws.p2p.transport.ssl.SSLTransportLayer

CLIENT_AUTH_NONE, CLIENT_AUTH_OPTIONAL, CLIENT_AUTH_REQUIRED, NO, OPTION_AUTHENTICATION, OPTION_CERT_SUBJECT, OPTION_ENCRYPTION, YES

Constructor Summary

SSLTransportLayerImpl(TransportLayer<Identifier,MessageType> tl, java.security.KeyStore keyStore, java.security.KeyStore trustStore, Environment env)

SSLTransportLayerImpl(TransportLayer<Identifier,MessageType> tl, java.security.KeyStore keyStore, java.security.KeyStore trustStore, int clientAuth, Environment env)

Method Summary

void	acceptMessages(boolean b) Toggle accepting incoming messages.
void	acceptSockets(boolean b) Toggle accepting new sockets.
void	destroy()
Identifier	getLocalIdentifier() The local node.
protected SSLSocketManager<Identifier>	getSocketManager(SSLTransportLayerImpl<Identifier,?> sslTL, P2PSocket<Identifier> s, Continuation<SSLSocketManager<Identifier>,java.lang.Exception> c, boolean server, boolean useClientAuth)
void	incomingSocket(P2PSocket<Identifier> s) TODO: support resuming
void	messageReceived(Identifier i, MessageType m, java.util.Map<java.lang.String,java.lang.Object> options) Called when a new message is received.
SocketRequestHandle<Identifier>	openSocket(Identifier i, SocketCallback<Identifier> deliverSocketToMe, java.util.Map<java.lang.String,java.lang.Object> options) Open a socket to the Identifier
MessageRequestHandle<Identifier,MessageType>	sendMessage(Identifier i, MessageType m, MessageCallback<Identifier,MessageType> deliverAckToMe, java.util.Map<java.lang.String,java.lang.Object> options) Send the message to the identifier
void	setCallback(TransportLayerCallback<Identifier,MessageType> callback) Set the callback for incoming sockets/messages
void	setErrorHandler(ErrorHandler<Identifier> handler) To be notified of problems not related to an outgoing messaage/socket.

Methods inherited from class java.lang.Object

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

Field Detail

tl

protected TransportLayer<Identifier,MessageType> tl

callback

protected TransportLayerCallback<Identifier,MessageType> callback

errorHandler

protected ErrorHandler<Identifier> errorHandler

logger

protected Logger logger

environment

protected Environment environment

context

protected javax.net.ssl.SSLContext context

Constructor Detail

SSLTransportLayerImpl

public SSLTransportLayerImpl(TransportLayer<Identifier,MessageType> tl,
                             java.security.KeyStore keyStore,
                             java.security.KeyStore trustStore,
                             Environment env)
                      throws java.io.IOException

Throws:

java.io.IOException

SSLTransportLayerImpl

public SSLTransportLayerImpl(TransportLayer<Identifier,MessageType> tl,
                             java.security.KeyStore keyStore,
                             java.security.KeyStore trustStore,
                             int clientAuth,
                             Environment env)
                      throws java.io.IOException

Parameters:

tl -

ks - set a cert on the client, and optionally a keypair (if want clientauth), on the server, need a keypair, cert if want clientauth

clientAuth - NO, OPTIONAL, REQUIRED // on the server side

env -

Throws:

java.lang.Exception

java.io.IOException

Method Detail

openSocket

public SocketRequestHandle<Identifier> openSocket(Identifier i,
                                                  SocketCallback<Identifier> deliverSocketToMe,
                                                  java.util.Map<java.lang.String,java.lang.Object> options)

Description copied from interface: TransportLayer

Open a socket to the Identifier

Specified by:

openSocket in interface TransportLayer<Identifier,MessageType>

Parameters:

i - who to open the socket to

deliverSocketToMe - the callback when the socket is opened

options - options on how to open the socket (don't source route, encrypt etc) (may not be respected if layer cannot provide service)

Returns:

an object to cancel opening the socket if it takes to long, or is no longer relevant

incomingSocket

public void incomingSocket(P2PSocket<Identifier> s)
                    throws java.io.IOException

TODO: support resuming

Specified by:

incomingSocket in interface TransportLayerCallback<Identifier,MessageType>

Parameters:

s - the incoming socket

Throws:

java.io.IOException

setCallback

public void setCallback(TransportLayerCallback<Identifier,MessageType> callback)

Description copied from interface: TransportLayer

Set the callback for incoming sockets/messages

Specified by:

setCallback in interface TransportLayer<Identifier,MessageType>

Parameters:

callback - the callback for incoming sockets/messages

acceptMessages

public void acceptMessages(boolean b)

Description copied from interface: TransportLayer

Toggle accepting incoming messages. Useful in flow control if overwhelmed by incoming sockets. Default: true

Specified by:

acceptMessages in interface TransportLayer<Identifier,MessageType>

acceptSockets

public void acceptSockets(boolean b)

Description copied from interface: TransportLayer

Toggle accepting new sockets. Useful in flow control if overwhelmed by incoming sockets. Default: true

Specified by:

acceptSockets in interface TransportLayer<Identifier,MessageType>

destroy

public void destroy()

Specified by:

destroy in interface Destructable

getLocalIdentifier

public Identifier getLocalIdentifier()

Description copied from interface: TransportLayer

The local node.

Specified by:

getLocalIdentifier in interface TransportLayer<Identifier,MessageType>

Returns:

The local node.

sendMessage

public MessageRequestHandle<Identifier,MessageType> sendMessage(Identifier i,
                                                                MessageType m,
                                                                MessageCallback<Identifier,MessageType> deliverAckToMe,
                                                                java.util.Map<java.lang.String,java.lang.Object> options)

Description copied from interface: TransportLayer

Send the message to the identifier

Specified by:

sendMessage in interface TransportLayer<Identifier,MessageType>

Parameters:

i - the destination

m - the message

deliverAckToMe - layer dependent notification when the message is sent (can indicate placed on the wire, point-to-point acknowledgment, or end-to-end acknowledgement)

options - delivery options (don't source route, encrypt etc) (may not be respected if layer cannot provide service)

Returns:

ability to cancel the message if no longer relevant

setErrorHandler

public void setErrorHandler(ErrorHandler<Identifier> handler)

Description copied from interface: TransportLayer

To be notified of problems not related to an outgoing messaage/socket. Or to be notified if a callback isn't provided.

Specified by:

setErrorHandler in interface TransportLayer<Identifier,MessageType>

Parameters:

handler - to be notified of problems not related to a specific messaage/socket.

messageReceived

public void messageReceived(Identifier i,
                            MessageType m,
                            java.util.Map<java.lang.String,java.lang.Object> options)
                     throws java.io.IOException

Description copied from interface: TransportLayerCallback

Called when a new message is received.

Specified by:

messageReceived in interface TransportLayerCallback<Identifier,MessageType>

Parameters:

i - The node it is coming from

m - the message

options - describe how the message arrived (udp/tcp, encrypted etc)

Throws:

java.io.IOException - if there is a problem decoding the message

getSocketManager

protected SSLSocketManager<Identifier> getSocketManager(SSLTransportLayerImpl<Identifier,?> sslTL,
                                                        P2PSocket<Identifier> s,
                                                        Continuation<SSLSocketManager<Identifier>,java.lang.Exception> c,
                                                        boolean server,
                                                        boolean useClientAuth)