com.sun.enterprise.mgmt.transport.grizzly
Class GrizzlyNetworkManager

java.lang.Object
  com.sun.enterprise.mgmt.transport.AbstractNetworkManager
      com.sun.enterprise.mgmt.transport.grizzly.GrizzlyNetworkManager

All Implemented Interfaces:

MessageSender, MulticastMessageSender, NetworkManager, ShoalMessageSender

Direct Known Subclasses:

GrizzlyNetworkManager1_9, GrizzlyNetworkManager2

public abstract class GrizzlyNetworkManager
extends AbstractNetworkManager

Author:

Bongjae Chang

Field Summary

String	DEFAULT_IPv4_MULTICAST_ADDRESS
String	DEFAULT_IPv6_MULTICAST_ADDRESS
protected boolean	disableMulticast
long	failTcpTimeout
String	groupName
protected int	highWaterMark
String	host
String	instanceName
Logger	LOG
protected int	maxParallelSendConnections
String	multicastAddress
int	multicastPacketSize
int	multicastPort
MulticastMessageSender	multicastSender
int	multicastTimeToLive
String	networkInterfaceName
Logger	nomcastLogger
protected int	numberToReclaim
ConcurrentHashMap<String,PeerID<GrizzlyPeerID>>	peerIDMap
ConcurrentHashMap<PeerID,CountDownLatch>	pingMessageLockMap
boolean	running
long	sendWriteTimeoutMillis
long	startTimeoutMillis
int	tcpEndPort
int	tcpPort
MessageSender	tcpSender
int	tcpStartPort
MessageSender	udpSender
String	UNKNOWN
protected String	virtualUriList
protected VirtualMulticastSender	vms
int	writeSelectorPoolSize

Fields inherited from class com.sun.enterprise.mgmt.transport.AbstractNetworkManager

localPeerID

Fields inherited from interface com.sun.enterprise.mgmt.transport.ShoalMessageSender

TCP_TRANSPORT, UDP_TRANSPORT

Constructor Summary

GrizzlyNetworkManager()

Method Summary

void	addRemotePeer(PeerID peerID) Add the peerID to this network manager
protected void	addToVMS(PeerID peerID)
void	afterDispatchingMessage(MessageEvent messageEvent, Map piggyback) After executing MessageListener.receiveMessageEvent(MessageEvent)} callback, this method will be called
void	beforeDispatchingMessage(MessageEvent messageEvent, Map piggyback) Before executing MessageListener.receiveMessageEvent(MessageEvent)} callback, this method will be called
boolean	broadcast(Message message) Broadcasts or Multicasts the given Message to all members
void	configure(Map properties)
protected abstract Logger	getGrizzlyLogger()
MessageSender	getMessageSender(int transport) Returns a MessageSender corresponding with transport type
MulticastMessageSender	getMulticastMessageSender() Returns a MulticastMessageSender
PeerID	getPeerID(String instanceName) Returns the proper PeerID corresponding with a given instance name
protected PeerID<GrizzlyPeerID>	getPeerIDFromURI(String uri)
CountDownLatch	getPingMessageLock(PeerID peerID)
protected List<PeerID>	getVirtualPeerIDList(String groupDiscoveryUriList)
void	initialize(String groupName, String instanceName, Map properties) Initializes this network manager with given params and properties
boolean	isConnected(PeerID peerID) Check whether the suspicious peer is alive or not This API is mainly used in HealthMonitor in order to determine the failure member
protected boolean	isLeavingMessage(MessageEvent msgEvent)
protected void	removeFromVMS(PeerID peerID)
void	removePeerID(PeerID peerID) Removes the peerID from this network manager
void	removeRemotePeer(String instanceName)
boolean	send(PeerID peerID, Message message) Sends the given Message to the destination
void	start() Starts this network manager This method will be called after NetworkManager.initialize(String, String, java.util.Map) internally
void	stop() Stops this network manager For cleaning up remaining values and finishing I/O operation, this method could be used

Methods inherited from class com.sun.enterprise.mgmt.transport.AbstractNetworkManager

addMessageListener, getInstance, getLocalPeerID, getLogger, receiveMessage, removeMessageListener

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public final Logger LOG

nomcastLogger

public final Logger nomcastLogger

peerIDMap

public final ConcurrentHashMap<String,PeerID<GrizzlyPeerID>> peerIDMap

running

public volatile boolean running

tcpSender

public MessageSender tcpSender

udpSender

public MessageSender udpSender

multicastSender

public MulticastMessageSender multicastSender

multicastTimeToLive

public int multicastTimeToLive

instanceName

public String instanceName

groupName

public String groupName

host

public String host

tcpPort

public int tcpPort

tcpStartPort

public int tcpStartPort

tcpEndPort

public int tcpEndPort

multicastPort

public int multicastPort

multicastAddress

public String multicastAddress

networkInterfaceName

public String networkInterfaceName

failTcpTimeout

public long failTcpTimeout

highWaterMark

protected int highWaterMark

numberToReclaim

protected int numberToReclaim

maxParallelSendConnections

protected int maxParallelSendConnections

startTimeoutMillis

public long startTimeoutMillis

sendWriteTimeoutMillis

public long sendWriteTimeoutMillis

multicastPacketSize

public int multicastPacketSize

writeSelectorPoolSize

public int writeSelectorPoolSize

UNKNOWN

public final String UNKNOWN

See Also:

Constant Field Values

DEFAULT_IPv4_MULTICAST_ADDRESS

public final String DEFAULT_IPv4_MULTICAST_ADDRESS

See Also:

Constant Field Values

DEFAULT_IPv6_MULTICAST_ADDRESS

public final String DEFAULT_IPv6_MULTICAST_ADDRESS

See Also:

Constant Field Values

pingMessageLockMap

public final ConcurrentHashMap<PeerID,CountDownLatch> pingMessageLockMap

vms

protected VirtualMulticastSender vms

disableMulticast

protected boolean disableMulticast

virtualUriList

protected String virtualUriList

Constructor Detail

GrizzlyNetworkManager

public GrizzlyNetworkManager()

Method Detail

configure

public void configure(Map properties)

initialize

public void initialize(String groupName,
                       String instanceName,
                       Map properties)
                throws IOException

Description copied from interface: NetworkManager

Initializes this network manager with given params and properties

Specified by:

initialize in interface NetworkManager

Overrides:

initialize in class AbstractNetworkManager

Parameters:

groupName - group name

instanceName - instance name

properties - specific properties

Throws:

IOException - if an unexpected error occurs

start

public void start()
           throws IOException

Description copied from class: AbstractNetworkManager

Starts this network manager This method will be called after NetworkManager.initialize(String, String, java.util.Map) internally

Specified by:

start in interface NetworkManager

Specified by:

start in interface ShoalMessageSender

Overrides:

start in class AbstractNetworkManager

Throws:

IOException - if an I/O error occurs

stop

public void stop()
          throws IOException

Description copied from class: AbstractNetworkManager

Stops this network manager For cleaning up remaining values and finishing I/O operation, this method could be used

Specified by:

stop in interface NetworkManager

Specified by:

stop in interface ShoalMessageSender

Overrides:

stop in class AbstractNetworkManager

Throws:

IOException - if an I/O error occurs

beforeDispatchingMessage

public void beforeDispatchingMessage(MessageEvent messageEvent,
                                     Map piggyback)

Description copied from class: AbstractNetworkManager

Before executing MessageListener.receiveMessageEvent(MessageEvent)} callback, this method will be called

Specified by:

beforeDispatchingMessage in class AbstractNetworkManager

Parameters:

messageEvent - a received MessageEvent

piggyback - piggyback

afterDispatchingMessage

public void afterDispatchingMessage(MessageEvent messageEvent,
                                    Map piggyback)

Description copied from class: AbstractNetworkManager

After executing MessageListener.receiveMessageEvent(MessageEvent)} callback, this method will be called

Specified by:

afterDispatchingMessage in class AbstractNetworkManager

Parameters:

messageEvent - a received MessageEvent

piggyback - piggyback

addRemotePeer

public void addRemotePeer(PeerID peerID)

Description copied from interface: NetworkManager

Add the peerID to this network manager

removeRemotePeer

public void removeRemotePeer(String instanceName)

send

public boolean send(PeerID peerID,
                    Message message)
             throws IOException

Description copied from interface: MessageSender

Sends the given Message to the destination

Parameters:

peerID - the destination PeerID. null is not allowed

message - a message which is sent to the peer

Returns:

true if the message is sent to the destination successfully, otherwise false

Throws:

IOException - if I/O error occurs or given parameters are not valid

broadcast

public boolean broadcast(Message message)
                  throws IOException

Description copied from interface: MulticastMessageSender

Broadcasts or Multicasts the given Message to all members

Parameters:

message - a message which is sent to all members

Returns:

true if the message is sent to all members successfully, otherwise false

Throws:

IOException - if I/O error occurs or given parameters are not valid

getPeerID

public PeerID getPeerID(String instanceName)

Description copied from interface: NetworkManager

Returns the proper PeerID corresponding with a given instance name

Parameters:

instanceName - instance name

Returns:

peer id

removePeerID

public void removePeerID(PeerID peerID)

Description copied from interface: NetworkManager

Removes the peerID from this network manager

isConnected

public boolean isConnected(PeerID peerID)

Description copied from interface: NetworkManager

Check whether the suspicious peer is alive or not This API is mainly used in HealthMonitor in order to determine the failure member

Parameters:

peerID - peer id

Returns:

true if the peer is still alive, otherwise false

getPingMessageLock

public CountDownLatch getPingMessageLock(PeerID peerID)

getMessageSender

public MessageSender getMessageSender(int transport)

Description copied from interface: NetworkManager

Returns a MessageSender corresponding with transport type

Parameters:

transport - transport type. ShoalMessageSender.TCP_TRANSPORT or ShoalMessageSender.UDP_TRANSPORT's integer value

Returns:

a MessageSender's instance which this network manager contains

getMulticastMessageSender

public MulticastMessageSender getMulticastMessageSender()

Description copied from interface: NetworkManager

Returns a MulticastMessageSender

Returns:

a MulticastMessageSender's instance which this network manager contains

getGrizzlyLogger

protected abstract Logger getGrizzlyLogger()

getVirtualPeerIDList

protected List<PeerID> getVirtualPeerIDList(String groupDiscoveryUriList)

getPeerIDFromURI

protected PeerID<GrizzlyPeerID> getPeerIDFromURI(String uri)
                                          throws URISyntaxException

Throws:

URISyntaxException

isLeavingMessage

protected boolean isLeavingMessage(MessageEvent msgEvent)

addToVMS

protected void addToVMS(PeerID peerID)

removeFromVMS

protected void removeFromVMS(PeerID peerID)