Package org.opendaylight.openflowplugin.impl.connection

Class HandshakeManagerImpl

java.lang.Object

org.opendaylight.openflowplugin.impl.connection.HandshakeManagerImpl

All Implemented Interfaces:

HandshakeManager

public class HandshakeManagerImpl
extends Object
implements HandshakeManager

Constructor Summary

Constructors

Constructor	Description
HandshakeManagerImpl(ConnectionAdapter connectionAdapter, Short highestVersion, List<Short> versionOrder, ErrorHandler errorHandler, HandshakeListener handshakeListener, boolean useVersionBitmap, DeviceConnectionRateLimiter deviceConnectionRateLimiter, int deviceConnectionHoldTime, DeviceConnectionStatusProvider deviceConnectionStatusProvider)	Constructor.

Method Summary

Modifier and Type	Method	Description
Short	getVersion()	Return negotiated version.
boolean	isAllowedToConnect(BigInteger nodeId)
protected void	postHandshake(Short proposedVersion, Long xid)	after handshake set features, register to session.
protected Short	proposeCommonBitmapVersion(List<Elements> list)	find common highest supported bitmap version.
protected short	proposeNextVersion(short remoteVersion)	find supported version based on remoteVersion.
void	shake(HelloMessage receivedHello)	Process current handshake step.

Methods inherited from class java.lang.Object

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

Constructor Detail

HandshakeManagerImpl

public HandshakeManagerImpl(ConnectionAdapter connectionAdapter,
                            Short highestVersion,
                            List<Short> versionOrder,
                            ErrorHandler errorHandler,
                            HandshakeListener handshakeListener,
                            boolean useVersionBitmap,
                            DeviceConnectionRateLimiter deviceConnectionRateLimiter,
                            int deviceConnectionHoldTime,
                            DeviceConnectionStatusProvider deviceConnectionStatusProvider)

Constructor.

Parameters:

connectionAdapter - connection adaptor for switch

highestVersion - highest openflow version

versionOrder - list of version in order for connection protocol negotiation

errorHandler - the ErrorHandler

handshakeListener - the HandshakeListener

useVersionBitmap - should use negotiation bit map

deviceConnectionRateLimiter - device connection rate limiter utility

deviceConnectionHoldTime - deivce connection hold time in seconds

deviceConnectionStatusProvider - utility for maintaining device connection states

Method Detail

shake

public void shake(HelloMessage receivedHello)

Description copied from interface: HandshakeManager

Process current handshake step.

Specified by:

shake in interface HandshakeManager

Parameters:

receivedHello - message from device we need to act upon

getVersion

public Short getVersion()

Description copied from interface: HandshakeManager

Return negotiated version.

Specified by:

getVersion in interface HandshakeManager

Returns:

negotiated version.

proposeCommonBitmapVersion

protected Short proposeCommonBitmapVersion(List<Elements> list)

find common highest supported bitmap version.

Parameters:

list - bitmap list

Returns:

proposed bitmap value

proposeNextVersion

protected short proposeNextVersion(short remoteVersion)

find supported version based on remoteVersion.

Parameters:

remoteVersion - openflow version supported by remote entity

Returns:

openflow version

postHandshake

protected void postHandshake(Short proposedVersion,
                             Long xid)

after handshake set features, register to session.

Parameters:

proposedVersion - proposed openflow version

xid - transaction id

isAllowedToConnect

public boolean isAllowedToConnect(BigInteger nodeId)