rice.pastry.routing
Class RouteMessage

java.lang.Object
  rice.pastry.messaging.Message
      rice.pastry.messaging.PRawMessage
          rice.pastry.routing.RouteMessage

All Implemented Interfaces:

java.io.Serializable, Message, RawMessage, RouteMessage

public class RouteMessage
extends PRawMessage
implements java.io.Serializable, RouteMessage

A route message contains a pastry message that has been wrapped to be sent to another pastry node.

Version:

$Id: RouteMessage.java 3822 2007-08-07 14:00:39Z jeffh $

Author:

Andrew Ladd

See Also:

Serialized Form

Field Summary

Message	internalMsg
int	numRetries This is used by the Rerouter to keep track of how many attempted reroutes of the message.
static short	TYPE

Fields inherited from class rice.pastry.messaging.Message

DEFAULT_PRIORITY_LEVEL

Fields inherited from interface rice.p2p.commonapi.Message

DEFAULT_PRIORITY, HIGH_PRIORITY, LOW_PRIORITY, LOWEST_PRIORITY, MAX_PRIORITY, MEDIUM_HIGH_PRIORITY, MEDIUM_LOW_PRIORITY, MEDIUM_PRIORITY

Constructor Summary

RouteMessage(Id target, int auxAddress, NodeHandle prev, InputBuffer buf, PastryNode pn, NodeHandle destinationHandle, byte serializeVersion)

RouteMessage(Id target, Message msg, byte serializeVersion)
Constructor.

RouteMessage(Id target, Message msg, NodeHandle firstHop, byte serializeVersion)
Constructor.

RouteMessage(Id target, Message msg, NodeHandle firstHop, SendOptions opts, byte serializeVersion)
Constructor.

RouteMessage(Id target, Message msg, SendOptions opts, byte serializeVersion)
Constructor.

RouteMessage(Id target, PRawMessage msg, NodeHandle firstHop, SendOptions opts, byte serializeVersion)

RouteMessage(NodeHandle dest, Message msg, SendOptions opts, byte serializeVersion)
Constructor.

Method Summary

static RouteMessage	build(InputBuffer buf, PastryNode pn, byte outputVersion) version 1: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + int auxAddress + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + bool hasHndle + // if it has a destinationHandle instead of an Id +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + Id target + + (only existis if the hasHandle boolean is false + + + + + + + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + NodeHandle destinationHandle + + (used if the RouteMessage is intended for a specific node) + + (only exists if the hasHandle boolean is true) + ...
boolean	cancel()
int	getAuxAddress()
NodeHandle	getDestinationHandle()
Id	getDestinationId() Returns the destination Id for this message
short	getInternalType()
Message	getMessage() Deprecated. use getMessage(MessageDeserializer)
Message	getMessage(MessageDeserializer md)
NodeHandle	getNextHop()
NodeHandle	getNextHopHandle() Returns the next hop handle for this message
SendOptions	getOptions() Get transmission options.
NodeHandle	getPrevNode()
int	getPriority() Get priority
Id	getTarget() Gets the target node id of this message.
java.util.Map<java.lang.String,java.lang.Integer>	getTLOptions()
short	getType()
boolean	sendFailed(java.lang.Exception e) Return true if it notified a higher layer.
void	sendSuccess()
void	serialize(OutputBuffer buf)
void	setDestinationHandle(NodeHandle handle)
void	setDestinationId(Id id) Sets the destination Id for this message
void	setMessage(Message message) Sets the internal message for this message
void	setMessage(RawMessage message) Sets the internal message for this message Does the same as setMessage(Message) but with better performance, because it doesn't have to introspect if the message is a RawMessage
void	setNextHop(NodeHandle nh)
void	setNextHopHandle(NodeHandle nextHop) Sets the next hop handle for this message
void	setPrevNode(NodeHandle n)
void	setRouteMessageNotification(RouteMessageNotification notification)
void	setTLCancellable(Cancellable c)
void	setTLOptions(java.util.Map<java.lang.String,java.lang.Integer> options)
java.lang.String	toString()
Message	unwrap() Deprecated. use unwrap(MessageDeserializer)
Message	unwrap(MessageDeserializer md)

Methods inherited from class rice.pastry.messaging.Message

getDate, getDestination, getSender, getSenderId, setPriority, setSender, stamp

Methods inherited from class java.lang.Object

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

Field Detail

TYPE

public static final short TYPE

See Also:

Constant Field Values

internalMsg

public Message internalMsg

numRetries

public transient int numRetries

This is used by the Rerouter to keep track of how many attempted reroutes of the message.

Constructor Detail

RouteMessage

public RouteMessage(Id target,
                    Message msg,
                    byte serializeVersion)

Constructor.

Parameters:

target - this is id of the node the message will be routed to.

msg - the wrapped message.

cred - the credentials for the message.

RouteMessage

public RouteMessage(Id target,
                    Message msg,
                    SendOptions opts,
                    byte serializeVersion)

Constructor.

Parameters:

target - this is id of the node the message will be routed to.

msg - the wrapped message.

cred - the credentials for the message.

opts - the send options for the message.

RouteMessage

public RouteMessage(NodeHandle dest,
                    Message msg,
                    SendOptions opts,
                    byte serializeVersion)

Constructor.

Parameters:

dest - the node this message will be routed to

msg - the wrapped message.

cred - the credentials for the message.

opts - the send options for the message.

aux - an auxilary address which the message after each hop.

RouteMessage

public RouteMessage(Id target,
                    Message msg,
                    NodeHandle firstHop,
                    byte serializeVersion)

Constructor.

Parameters:

target - this is id of the node the message will be routed to.

msg - the wrapped message.

firstHop - the nodeHandle of the first hop destination

aux - an auxilary address which the message after each hop.

RouteMessage

public RouteMessage(Id target,
                    PRawMessage msg,
                    NodeHandle firstHop,
                    SendOptions opts,
                    byte serializeVersion)

RouteMessage

public RouteMessage(Id target,
                    Message msg,
                    NodeHandle firstHop,
                    SendOptions opts,
                    byte serializeVersion)

Constructor.

Parameters:

target - this is id of the node the message will be routed to.

msg - the wrapped message.

firstHop - the nodeHandle of the first hop destination

opts - the send options for the message.

aux - an auxilary address which the message after each hop.

RouteMessage

public RouteMessage(Id target,
                    int auxAddress,
                    NodeHandle prev,
                    InputBuffer buf,
                    PastryNode pn,
                    NodeHandle destinationHandle,
                    byte serializeVersion)
             throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getTarget

public Id getTarget()

Gets the target node id of this message.

Returns:

the target node id.

getPrevNode

public NodeHandle getPrevNode()

setPrevNode

public void setPrevNode(NodeHandle n)

getNextHop

public NodeHandle getNextHop()

setNextHop

public void setNextHop(NodeHandle nh)

getPriority

public int getPriority()

Get priority

Specified by:

getPriority in interface Message

Overrides:

getPriority in class Message

Returns:

the priority of this message.

unwrap

public Message unwrap()

Deprecated. use unwrap(MessageDeserializer)

The wrapped message.

Returns:

the wrapped message.

getOptions

public SendOptions getOptions()

Get transmission options.

Returns:

the options.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getDestinationId

public Id getDestinationId()

Description copied from interface: RouteMessage

Returns the destination Id for this message

Specified by:

getDestinationId in interface RouteMessage

Returns:

The destination Id

getNextHopHandle

public NodeHandle getNextHopHandle()

Description copied from interface: RouteMessage

Returns the next hop handle for this message

Specified by:

getNextHopHandle in interface RouteMessage

Returns:

The next hop

getMessage

public Message getMessage()

Deprecated. use getMessage(MessageDeserializer)

Description copied from interface: RouteMessage

Returns the enclosed message inside of this message

Specified by:

getMessage in interface RouteMessage

Returns:

The enclosed message

getMessage

public Message getMessage(MessageDeserializer md)
                   throws java.io.IOException

Specified by:

getMessage in interface RouteMessage

Throws:

java.io.IOException

setDestinationId

public void setDestinationId(Id id)

Description copied from interface: RouteMessage

Sets the destination Id for this message

Specified by:

setDestinationId in interface RouteMessage

Parameters:

id - The destination Id

setNextHopHandle

public void setNextHopHandle(NodeHandle nextHop)

Description copied from interface: RouteMessage

Sets the next hop handle for this message

Specified by:

setNextHopHandle in interface RouteMessage

Parameters:

nextHop - The next hop for this handle

setMessage

public void setMessage(Message message)

Description copied from interface: RouteMessage

Sets the internal message for this message

Specified by:

setMessage in interface RouteMessage

Parameters:

message - The internal message

setMessage

public void setMessage(RawMessage message)

Description copied from interface: RouteMessage

Sets the internal message for this message Does the same as setMessage(Message) but with better performance, because it doesn't have to introspect if the message is a RawMessage

Specified by:

setMessage in interface RouteMessage

Parameters:

message - The internal message

build

public static RouteMessage build(InputBuffer buf,
                                 PastryNode pn,
                                 byte outputVersion)
                          throws java.io.IOException

version 1: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + int auxAddress + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + bool hasHndle + // if it has a destinationHandle instead of an Id +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + Id target + + (only existis if the hasHandle boolean is false + + + + + + + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + NodeHandle destinationHandle + + (used if the RouteMessage is intended for a specific node) + + (only exists if the hasHandle boolean is true) + ... + + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + NodeHandle prev + + (used to repair routing table during routing) + + + ... + + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + Internal Message + + (see below) + + + version 0: +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + int auxAddress + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + Id target + + + + + + + + + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + NodeHandle prev + + (used to repair routing table during routing) + + + ... + + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + Internal Message + + (see below) + + +

Parameters:

buf -

Returns:

Throws:

java.io.IOException

serialize

public void serialize(OutputBuffer buf)
               throws java.io.IOException

Specified by:

serialize in interface RawMessage

Throws:

java.io.IOException

unwrap

public Message unwrap(MessageDeserializer md)
               throws java.io.IOException

Throws:

java.io.IOException

getType

public short getType()

Specified by:

getType in interface RawMessage

getAuxAddress

public int getAuxAddress()

getInternalType

public short getInternalType()

setDestinationHandle

public void setDestinationHandle(NodeHandle handle)

getDestinationHandle

public NodeHandle getDestinationHandle()

getTLOptions

public java.util.Map<java.lang.String,java.lang.Integer> getTLOptions()

setTLOptions

public void setTLOptions(java.util.Map<java.lang.String,java.lang.Integer> options)

setTLCancellable

public void setTLCancellable(Cancellable c)

cancel

public boolean cancel()

setRouteMessageNotification

public void setRouteMessageNotification(RouteMessageNotification notification)

sendSuccess

public void sendSuccess()

sendFailed

public boolean sendFailed(java.lang.Exception e)

Return true if it notified a higher layer.

Parameters:

e -

Returns: