zeus.actors.intrays
Class NIOServer

java.lang.Object
  java.lang.Thread
      zeus.actors.intrays.NIOServer

All Implemented Interfaces:

InTray, java.lang.Runnable

public class NIOServer

extends java.lang.Thread

implements InTray

this is a souped up version of the native socket transport to take advantage of the nio libraries.

Field Summary

protected Address	address
private java.nio.ByteBuffer	buffer
private java.util.LinkedList	clients
protected int	connection_count
private AgentContext	context
static int	DEFAULT_PORT_MAX
static int	DEFAULT_PORT_MIN
protected Queue	inMail Data structure holding messages as they are read in
(package private) java.nio.channels.SelectionKey	key
protected java.net.ServerSocket	listenSocket
static int	MAX_CONNECTIONS
static int	MAX_QUEUE_LENGTH
int	maxMessageSize
protected MailBox	mbox Reference to MailBox of which this is a sub-component
protected MsgHandler	msgHandler
protected boolean	processing
private java.nio.channels.Selector	readSelector
(package private) java.nio.channels.Selector	selector
(package private) java.nio.channels.ServerSocketChannel	server
(package private) java.nio.channels.SelectionKey	serverKey
(package private) java.net.ServerSocket	socket
protected long	timeout timeout was originally private, but subclasses need to use it to construct there own treads of control, so I changed it to protected (ST -14/8/00)

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

NIOServer()

NIOServer(AgentContext context, MailBox mbox, Queue inMail)

Method Summary

void	debug(java.lang.String str)
protected void	finalize()
Address	getAddress()
AgentContext	getAgentContext()
java.lang.String	getResponseAddress() implement in haste, repent at leisure
void	lowerStatus()
void	newMsg(Performative msg) ensures that messages are processed // synchronized
void	normalStatus()
void	registerClient(java.nio.channels.SocketChannel client)
void	run()
void	serviceClients()
void	stopProcessing()
void	updateCount(int x)

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

MAX_CONNECTIONS

public static final int MAX_CONNECTIONS

See Also:

Constant Field Values

MAX_QUEUE_LENGTH

public static final int MAX_QUEUE_LENGTH

See Also:

Constant Field Values

DEFAULT_PORT_MIN

public static final int DEFAULT_PORT_MIN

See Also:

Constant Field Values

DEFAULT_PORT_MAX

public static final int DEFAULT_PORT_MAX

See Also:

Constant Field Values

maxMessageSize

public int maxMessageSize

listenSocket

protected java.net.ServerSocket listenSocket

address

protected Address address

connection_count

protected int connection_count

processing

protected boolean processing

context

private AgentContext context

buffer

private java.nio.ByteBuffer buffer

timeout

protected long timeout

timeout was originally private, but subclasses need to use it to construct there own treads of control, so I changed it to protected (ST -14/8/00)

inMail

protected Queue inMail

Data structure holding messages as they are read in

mbox

protected MailBox mbox

Reference to MailBox of which this is a sub-component

msgHandler

protected MsgHandler msgHandler

selector

java.nio.channels.Selector selector

server

java.nio.channels.ServerSocketChannel server

key

java.nio.channels.SelectionKey key

serverKey

java.nio.channels.SelectionKey serverKey

clients

private java.util.LinkedList clients

readSelector

private java.nio.channels.Selector readSelector

socket

java.net.ServerSocket socket

Constructor Detail

NIOServer

public NIOServer()

NIOServer

public NIOServer(AgentContext context,
                 MailBox mbox,
                 Queue inMail)

Method Detail

getAgentContext

public AgentContext getAgentContext()

updateCount

public void updateCount(int x)

stopProcessing

public void stopProcessing()

lowerStatus

public void lowerStatus()

normalStatus

public void normalStatus()

run

public void run()

Specified by:

run in interface java.lang.Runnable

serviceClients

public void serviceClients()
                    throws java.io.IOException

Throws:

java.io.IOException

registerClient

public void registerClient(java.nio.channels.SocketChannel client)
                    throws java.io.IOException

Throws:

java.io.IOException

finalize

protected void finalize()

getAddress

public Address getAddress()

newMsg

public void newMsg(Performative msg)

ensures that messages are processed // synchronized

getResponseAddress

public java.lang.String getResponseAddress()

implement in haste, repent at leisure

Specified by:

getResponseAddress in interface InTray

debug

public void debug(java.lang.String str)