org.sdnplatform.sync.internal.rpc
Class RPCChannelHandler

java.lang.Object
  org.jboss.netty.channel.SimpleChannelHandler
      org.jboss.netty.handler.timeout.IdleStateAwareChannelHandler
          org.sdnplatform.sync.internal.rpc.AbstractRPCChannelHandler
              org.sdnplatform.sync.internal.rpc.RPCChannelHandler

All Implemented Interfaces:

org.jboss.netty.channel.ChannelDownstreamHandler, org.jboss.netty.channel.ChannelHandler, org.jboss.netty.channel.ChannelUpstreamHandler

public class RPCChannelHandler
extends AbstractRPCChannelHandler

Channel handler for the RPC service

Author:

readams

Nested Class Summary

protected static class

RPCChannelHandler.TVersionIterable

Nested classes/interfaces inherited from class org.sdnplatform.sync.internal.rpc.AbstractRPCChannelHandler

AbstractRPCChannelHandler.ChannelState

Nested classes/interfaces inherited from interface org.jboss.netty.channel.ChannelHandler

org.jboss.netty.channel.ChannelHandler.Sharable

Field Summary

protected boolean	isClientConnection
protected static org.slf4j.Logger	logger
protected Node	remoteNode
protected RPCService	rpcService
protected SyncManager	syncManager

Fields inherited from class org.sdnplatform.sync.internal.rpc.AbstractRPCChannelHandler

channelState, currentChallenge

Constructor Summary

RPCChannelHandler(SyncManager syncManager, RPCService rpcService)

Method Summary

void	channelDisconnected(org.jboss.netty.channel.ChannelHandlerContext ctx, org.jboss.netty.channel.ChannelStateEvent e)
void	channelOpen(org.jboss.netty.channel.ChannelHandlerContext ctx, org.jboss.netty.channel.ChannelStateEvent e)
protected AuthScheme	getAuthScheme() Get the type of authentication to use for this connection
protected SyncMessage	getError(int transactionId, java.lang.Exception error, MessageType type) Generate an error message from the provided transaction ID and exception
protected java.lang.Short	getLocalNodeId() Get the node ID for the local node if appropriate
protected java.lang.String	getLocalNodeIdString() Get the node ID for the local node as a string for use output
protected java.lang.Short	getRemoteNodeId() Get the node ID for the remote node if its connected
protected java.lang.String	getRemoteNodeIdString() Get the node ID for the remote node if its connected as a string for use output
protected byte[]	getSharedSecret() Get a shared secret to be used for authentication handshake.
protected int	getTransactionId() Get a transaction ID suitable for sending an async message
protected void	handleClusterJoinRequest(ClusterJoinRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleCursorRequest(CursorRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleDeleteRequest(DeleteRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleError(ErrorMessage error, org.jboss.netty.channel.Channel channel)
protected void	handleFullSyncRequest(FullSyncRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleGetRequest(GetRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleHello(HelloMessage hello, org.jboss.netty.channel.Channel channel)
protected void	handlePutRequest(PutRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleRegisterRequest(RegisterRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleSyncOffer(SyncOfferMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleSyncRequest(SyncRequestMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleSyncValue(SyncValueMessage request, org.jboss.netty.channel.Channel channel)
protected void	handleSyncValueResponse(SyncValueResponseMessage message, org.jboss.netty.channel.Channel channel)
void	messageReceived(org.jboss.netty.channel.ChannelHandlerContext ctx, org.jboss.netty.channel.MessageEvent e)
protected void	startAntientropy()
protected void	updateCounter(IDebugCounter counter, int incr)

Methods inherited from class org.sdnplatform.sync.internal.rpc.AbstractRPCChannelHandler

channelConnected, channelIdle, error, exceptionCaught, handleClusterJoinResponse, handleCursorResponse, handleDeleteResponse, handleEchoRequest, handleGetResponse, handlePutResponse, handleRegisterResponse, handleSMAuthenticated, handleSyncMessage, handleUnknownMessage, handshake, handshakeChallengeResponse, unexpectedMessage

Methods inherited from class org.jboss.netty.handler.timeout.IdleStateAwareChannelHandler

handleUpstream

Methods inherited from class org.jboss.netty.channel.SimpleChannelHandler

bindRequested, channelBound, channelClosed, channelInterestChanged, channelUnbound, childChannelClosed, childChannelOpen, closeRequested, connectRequested, disconnectRequested, handleDownstream, setInterestOpsRequested, unbindRequested, writeComplete, writeRequested

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final org.slf4j.Logger logger

syncManager

protected SyncManager syncManager

rpcService

protected RPCService rpcService

remoteNode

protected Node remoteNode

isClientConnection

protected boolean isClientConnection

Constructor Detail

RPCChannelHandler

public RPCChannelHandler(SyncManager syncManager,
                         RPCService rpcService)

Method Detail

channelOpen

public void channelOpen(org.jboss.netty.channel.ChannelHandlerContext ctx,
                        org.jboss.netty.channel.ChannelStateEvent e)
                 throws java.lang.Exception

Overrides:

channelOpen in class org.jboss.netty.channel.SimpleChannelHandler

Throws:

java.lang.Exception

channelDisconnected

public void channelDisconnected(org.jboss.netty.channel.ChannelHandlerContext ctx,
                                org.jboss.netty.channel.ChannelStateEvent e)
                         throws java.lang.Exception

Overrides:

channelDisconnected in class org.jboss.netty.channel.SimpleChannelHandler

Throws:

java.lang.Exception

messageReceived

public void messageReceived(org.jboss.netty.channel.ChannelHandlerContext ctx,
                            org.jboss.netty.channel.MessageEvent e)
                     throws java.lang.Exception

Overrides:

messageReceived in class AbstractRPCChannelHandler

Throws:

java.lang.Exception

handleHello

protected void handleHello(HelloMessage hello,
                           org.jboss.netty.channel.Channel channel)

Overrides:

handleHello in class AbstractRPCChannelHandler

handleGetRequest

protected void handleGetRequest(GetRequestMessage request,
                                org.jboss.netty.channel.Channel channel)

Overrides:

handleGetRequest in class AbstractRPCChannelHandler

handlePutRequest

protected void handlePutRequest(PutRequestMessage request,
                                org.jboss.netty.channel.Channel channel)

Overrides:

handlePutRequest in class AbstractRPCChannelHandler

handleDeleteRequest

protected void handleDeleteRequest(DeleteRequestMessage request,
                                   org.jboss.netty.channel.Channel channel)

Overrides:

handleDeleteRequest in class AbstractRPCChannelHandler

handleSyncValue

protected void handleSyncValue(SyncValueMessage request,
                               org.jboss.netty.channel.Channel channel)

Overrides:

handleSyncValue in class AbstractRPCChannelHandler

handleSyncValueResponse

protected void handleSyncValueResponse(SyncValueResponseMessage message,
                                       org.jboss.netty.channel.Channel channel)

Overrides:

handleSyncValueResponse in class AbstractRPCChannelHandler

handleSyncOffer

protected void handleSyncOffer(SyncOfferMessage request,
                               org.jboss.netty.channel.Channel channel)

Overrides:

handleSyncOffer in class AbstractRPCChannelHandler

handleSyncRequest

protected void handleSyncRequest(SyncRequestMessage request,
                                 org.jboss.netty.channel.Channel channel)

Overrides:

handleSyncRequest in class AbstractRPCChannelHandler

handleFullSyncRequest

protected void handleFullSyncRequest(FullSyncRequestMessage request,
                                     org.jboss.netty.channel.Channel channel)

Overrides:

handleFullSyncRequest in class AbstractRPCChannelHandler

handleCursorRequest

protected void handleCursorRequest(CursorRequestMessage request,
                                   org.jboss.netty.channel.Channel channel)

Overrides:

handleCursorRequest in class AbstractRPCChannelHandler

handleRegisterRequest

protected void handleRegisterRequest(RegisterRequestMessage request,
                                     org.jboss.netty.channel.Channel channel)

Overrides:

handleRegisterRequest in class AbstractRPCChannelHandler

handleClusterJoinRequest

protected void handleClusterJoinRequest(ClusterJoinRequestMessage request,
                                        org.jboss.netty.channel.Channel channel)

Overrides:

handleClusterJoinRequest in class AbstractRPCChannelHandler

handleError

protected void handleError(ErrorMessage error,
                           org.jboss.netty.channel.Channel channel)

Overrides:

handleError in class AbstractRPCChannelHandler

getLocalNodeId

protected java.lang.Short getLocalNodeId()

Description copied from class: AbstractRPCChannelHandler

Get the node ID for the local node if appropriate

Specified by:

getLocalNodeId in class AbstractRPCChannelHandler

Returns:

the node ID. Null if this is a client

getRemoteNodeId

protected java.lang.Short getRemoteNodeId()

Description copied from class: AbstractRPCChannelHandler

Get the node ID for the remote node if its connected

Specified by:

getRemoteNodeId in class AbstractRPCChannelHandler

Returns:

the node ID

getLocalNodeIdString

protected java.lang.String getLocalNodeIdString()

Description copied from class: AbstractRPCChannelHandler

Get the node ID for the local node as a string for use output

Overrides:

getLocalNodeIdString in class AbstractRPCChannelHandler

Returns:

the node ID

getRemoteNodeIdString

protected java.lang.String getRemoteNodeIdString()

Description copied from class: AbstractRPCChannelHandler

Get the node ID for the remote node if its connected as a string for use output

Overrides:

getRemoteNodeIdString in class AbstractRPCChannelHandler

Returns:

the node ID

getTransactionId

protected int getTransactionId()

Description copied from class: AbstractRPCChannelHandler

Get a transaction ID suitable for sending an async message

Specified by:

getTransactionId in class AbstractRPCChannelHandler

Returns:

the unique transaction ID

getAuthScheme

protected AuthScheme getAuthScheme()

Description copied from class: AbstractRPCChannelHandler

Get the type of authentication to use for this connection

Specified by:

getAuthScheme in class AbstractRPCChannelHandler

getSharedSecret

protected byte[] getSharedSecret()
                          throws AuthException

Description copied from class: AbstractRPCChannelHandler

Get a shared secret to be used for authentication handshake. Throwing an exception will cause authentication to fail

Specified by:

getSharedSecret in class AbstractRPCChannelHandler

Returns:

the shared secret

Throws:

AuthException

getError

protected SyncMessage getError(int transactionId,
                               java.lang.Exception error,
                               MessageType type)

Description copied from class: AbstractRPCChannelHandler

Generate an error message from the provided transaction ID and exception

Overrides:

getError in class AbstractRPCChannelHandler

Parameters:

transactionId - the transaction Id

error - the exception

type - the type of the message that generated the error

Returns:

the SyncError message

updateCounter

protected void updateCounter(IDebugCounter counter,
                             int incr)

startAntientropy

protected void startAntientropy()