ball.upnp.ssdp

Class SSDPDiscoveryThread

java.lang.Object

java.lang.Thread

ball.upnp.ssdp.SSDPDiscoveryThread

All Implemented Interfaces:

Runnable

public class SSDPDiscoveryThread
extends Thread

SSDP discovery Thread implementation.

Bean Property Summary

Name	Mode	Type	isHidden	isBound	isConstrained
alive	R	boolean	false	false	false
contextClassLoader	RW	ClassLoader	false	false	false
daemon	RW	boolean	false	false	false
id	R	long	false	false	false
interrupted	R	boolean	false	false	false
name	RW	String	false	false	false
priority	RW	int	false	false	false
stackTrace	R	StackTraceElement[]	false	false	false
state	R	Thread.State	false	false	false
threadGroup	R	ThreadGroup	false	false	false
uncaughtExceptionHandler	RW	Thread.UncaughtExceptionHandler	false	false	false

Version:

$Revision: 5285 $

Author:

Allen D. Ball

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	SSDPDiscoveryThread.Listener SSDPDiscoveryThread listener interface definition.

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected int	interval

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
SSDPDiscoveryThread(int interval) Sole constructor.

Method Summary

Modifier and Type	Method and Description
void	addListener(SSDPDiscoveryThread.Listener listener) Method to add a SSDPDiscoveryThread.Listener.
protected void	ping() Callback periodically made to queue(SSDPMessage) a SSDPDiscoveryRequest available to be intercepted (overridden) by subclass implementations.
void	queue(SSDPMessage message) Method to queue a SSDPMessage for transmission.
void	removeListener(SSDPDiscoveryThread.Listener listener) Method to remove a SSDPDiscoveryThread.Listener.
void	run()
void	start()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

interval

protected final int interval

Constructor Detail

SSDPDiscoveryThread

public SSDPDiscoveryThread(int interval)
                    throws SocketException

Sole constructor.

Parameters:

interval - The minimum interval (in seconds) between broadcast messages.

Throws:

SocketException - If the underlying DatagramSocket cannot be conditioned.

Method Detail

addListener

public void addListener(SSDPDiscoveryThread.Listener listener)

Method to add a SSDPDiscoveryThread.Listener.

Parameters:

listener - The SSDPDiscoveryThread.Listener.

removeListener

public void removeListener(SSDPDiscoveryThread.Listener listener)

Method to remove a SSDPDiscoveryThread.Listener.

Parameters:

listener - The SSDPDiscoveryThread.Listener.

queue

public void queue(SSDPMessage message)

Method to queue a SSDPMessage for transmission.

Parameters:

message - The SSDPMessage.

ping

protected void ping()

Callback periodically made to queue(SSDPMessage) a SSDPDiscoveryRequest available to be intercepted (overridden) by subclass implementations.

start

public void start()

Overrides:

start in class Thread

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread