org.onosproject.pcep.controller.impl

Class PcepClientControllerImpl

java.lang.Object

org.onosproject.pcep.controller.impl.PcepClientControllerImpl

All Implemented Interfaces:

PcepClientController

@Service
public class PcepClientControllerImpl
extends Object
implements PcepClientController

Implementation of PCEP client controller.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	PcepClientControllerImpl.PcepClientAgent Implementation of an Pcep Agent which is responsible for keeping track of connected clients and the state in which they are.

Field Summary

Fields

Modifier and Type	Field and Description
protected PcepClientControllerImpl.PcepClientAgent	agent
protected ConcurrentHashMap<PccId,PcepClient>	connectedClients
protected org.onosproject.net.device.DeviceService	deviceService
static long	GLOBAL_LABEL_SPACE_MAX
static long	GLOBAL_LABEL_SPACE_MIN
protected LabelResourceAdminService	labelRsrcAdminService
protected LabelResourceService	labelRsrcService
protected org.onosproject.net.link.LinkService	linkService
protected org.onosproject.mastership.MastershipService	mastershipService
protected org.onosproject.net.config.NetworkConfigService	netCfgService
protected Set<PcepClientListener>	pcepClientListener
protected Set<PcepEventListener>	pcepEventListener
protected Set<PcepNodeListener>	pcepNodeListener
protected PceLabelStore	pceStore
protected TunnelService	tunnelService

Constructor Summary

Constructors

Constructor and Description
PcepClientControllerImpl()

Method Summary

Modifier and Type	Method and Description
void	activate()
void	addEventListener(PcepEventListener listener) Register a listener for PCEP msg events.
void	addListener(PcepClientListener listener) Register a listener for meta events that occur to pcep devices.
void	addNodeListener(PcepNodeListener listener) Register a listener for PCEP msg events[carrying node descriptor details].
void	allocateAdjacencyLabel(org.onosproject.net.Link link) Allocates adjacency label for a link.
boolean	allocateLocalLabel(Tunnel tunnel) Allocates and downloads local labels for the given LSP.
void	allocateNodeLabel(org.onosproject.net.Device specificDevice) Allocates node label to specific device.
void	closeConnectedClients() Close all connected PCC clients.
LabelStack	computeLabelStack(org.onosproject.net.Path path) Create label stack from the given path.
LinkedList<PcepValueType>	createPcepLabelStack(DefaultLabelStack labelStack, org.onosproject.net.Path path) Creates label stack for ERO object from network resource.
void	deactivate()
PcepClient	getClient(PccId pccId) Returns the actual pcc client for the given ip address.
Collection<PcepClient>	getClients() Returns list of pcc clients connected to this Pcep controller.
PcepErrorMsg	getErrMsg(PcepFactory factory, byte errorType, byte errorValue) Returns pcep error message with specific error type and value.
void	processClientMessage(PccId pccId, PcepMessage msg) Process a message and notify the appropriate listeners.
void	releaseAdjacencyLabel(org.onosproject.net.Link link) Releases allocated adjacency label of a link.
void	releaseNodeLabel(org.onosproject.net.Device specificDevice) Releases node label of a specific device.
void	removeEventListener(PcepEventListener listener) Unregister a listener.
void	removeListener(PcepClientListener listener) Unregister a listener.
void	removeNodeListener(PcepNodeListener listener) Unregister a listener.
void	writeMessage(PccId pccId, PcepMessage msg) Send a message to a particular pcc client.

Methods inherited from class java.lang.Object

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

Field Detail

deviceService

@Reference(cardinality=MANDATORY_UNARY)
protected org.onosproject.net.device.DeviceService deviceService

linkService

@Reference(cardinality=MANDATORY_UNARY)
protected org.onosproject.net.link.LinkService linkService

tunnelService

@Reference(cardinality=MANDATORY_UNARY)
protected TunnelService tunnelService

netCfgService

@Reference(cardinality=MANDATORY_UNARY)
protected org.onosproject.net.config.NetworkConfigService netCfgService

mastershipService

@Reference(cardinality=MANDATORY_UNARY)
protected org.onosproject.mastership.MastershipService mastershipService

labelRsrcAdminService

@Reference(cardinality=MANDATORY_UNARY)
protected LabelResourceAdminService labelRsrcAdminService

labelRsrcService

@Reference(cardinality=MANDATORY_UNARY)
protected LabelResourceService labelRsrcService

pceStore

@Reference(cardinality=MANDATORY_UNARY)
protected PceLabelStore pceStore

connectedClients

protected ConcurrentHashMap<PccId,PcepClient> connectedClients

agent

protected PcepClientControllerImpl.PcepClientAgent agent

pcepClientListener

protected Set<PcepClientListener> pcepClientListener

pcepEventListener

protected Set<PcepEventListener> pcepEventListener

pcepNodeListener

protected Set<PcepNodeListener> pcepNodeListener

GLOBAL_LABEL_SPACE_MIN

public static final long GLOBAL_LABEL_SPACE_MIN

See Also:

Constant Field Values

GLOBAL_LABEL_SPACE_MAX

public static final long GLOBAL_LABEL_SPACE_MAX

See Also:

Constant Field Values

Constructor Detail

PcepClientControllerImpl

public PcepClientControllerImpl()

Method Detail

activate

@Activate
public void activate()

deactivate

@Deactivate
public void deactivate()

getClients

public Collection<PcepClient> getClients()

Description copied from interface: PcepClientController

Returns list of pcc clients connected to this Pcep controller.

Specified by:

getClients in interface PcepClientController

Returns:

list of PcepClient elements

getClient

public PcepClient getClient(PccId pccId)

Description copied from interface: PcepClientController

Returns the actual pcc client for the given ip address.

Specified by:

getClient in interface PcepClientController

Parameters:

pccId - the id of the pcc client to fetch

Returns:

the interface to this pcc client

addListener

public void addListener(PcepClientListener listener)

Description copied from interface: PcepClientController

Register a listener for meta events that occur to pcep devices.

Specified by:

addListener in interface PcepClientController

Parameters:

listener - the listener to notify

removeListener

public void removeListener(PcepClientListener listener)

Description copied from interface: PcepClientController

Unregister a listener.

Specified by:

removeListener in interface PcepClientController

Parameters:

listener - the listener to unregister

addEventListener

public void addEventListener(PcepEventListener listener)

Description copied from interface: PcepClientController

Register a listener for PCEP msg events.

Specified by:

addEventListener in interface PcepClientController

Parameters:

listener - the listener to notify

removeEventListener

public void removeEventListener(PcepEventListener listener)

Description copied from interface: PcepClientController

Unregister a listener.

Specified by:

removeEventListener in interface PcepClientController

Parameters:

listener - the listener to unregister

writeMessage

public void writeMessage(PccId pccId,
                         PcepMessage msg)

Description copied from interface: PcepClientController

Send a message to a particular pcc client.

Specified by:

writeMessage in interface PcepClientController

Parameters:

pccId - the id of the client to send message.

msg - the message to send

addNodeListener

public void addNodeListener(PcepNodeListener listener)

Description copied from interface: PcepClientController

Register a listener for PCEP msg events[carrying node descriptor details].

Specified by:

addNodeListener in interface PcepClientController

Parameters:

listener - the listener to notify

removeNodeListener

public void removeNodeListener(PcepNodeListener listener)

Description copied from interface: PcepClientController

Unregister a listener.

Specified by:

removeNodeListener in interface PcepClientController

Parameters:

listener - the listener to be unregistered

processClientMessage

public void processClientMessage(PccId pccId,
                                 PcepMessage msg)

Description copied from interface: PcepClientController

Process a message and notify the appropriate listeners.

Specified by:

processClientMessage in interface PcepClientController

Parameters:

pccId - id of the client the message arrived on

msg - the message to process.

closeConnectedClients

public void closeConnectedClients()

Description copied from interface: PcepClientController

Close all connected PCC clients.

Specified by:

closeConnectedClients in interface PcepClientController

getErrMsg

public PcepErrorMsg getErrMsg(PcepFactory factory,
                              byte errorType,
                              byte errorValue)

Returns pcep error message with specific error type and value.

Parameters:

factory - represents pcep factory

errorType - pcep error type

errorValue - pcep error value

Returns:

pcep error message

allocateNodeLabel

public void allocateNodeLabel(org.onosproject.net.Device specificDevice)

Allocates node label to specific device.

Parameters:

specificDevice - device to which node label needs to be allocated

releaseNodeLabel

public void releaseNodeLabel(org.onosproject.net.Device specificDevice)

Releases node label of a specific device.

Parameters:

specificDevice - this device label and lsr-id information will be released in other existing devices

allocateAdjacencyLabel

public void allocateAdjacencyLabel(org.onosproject.net.Link link)

Allocates adjacency label for a link.

Parameters:

link - link

releaseAdjacencyLabel

public void releaseAdjacencyLabel(org.onosproject.net.Link link)

Releases allocated adjacency label of a link.

Parameters:

link - link

computeLabelStack

public LabelStack computeLabelStack(org.onosproject.net.Path path)

Description copied from interface: PcepClientController

Create label stack from the given path.

Specified by:

computeLabelStack in interface PcepClientController

Parameters:

path - from which label stack is to be computed

Returns:

the label stack

allocateLocalLabel

public boolean allocateLocalLabel(Tunnel tunnel)

Description copied from interface: PcepClientController

Allocates and downloads local labels for the given LSP.

Specified by:

allocateLocalLabel in interface PcepClientController

Parameters:

tunnel - for which local labels have to be assigned and downloaded

Returns:

success or failure

createPcepLabelStack

public LinkedList<PcepValueType> createPcepLabelStack(DefaultLabelStack labelStack,
                                                      org.onosproject.net.Path path)

Creates label stack for ERO object from network resource.

Specified by:

createPcepLabelStack in interface PcepClientController

Parameters:

labelStack - label stack

path - (hop list)

Returns:

list of ERO subobjects