org.mjsip.sip.provider

Class SipKeepAlive

java.lang.Object

java.lang.Thread

org.mjsip.sip.provider.UdpKeepAlive

org.mjsip.sip.provider.SipKeepAlive

All Implemented Interfaces:

java.lang.Runnable

public class SipKeepAlive
extends UdpKeepAlive

SipKeepAlive keeps up the connection up toward a target SIP node (e.g. toward the seriving proxy/gw or a remote UAS).

It periodically sends keep-alive tokens in order to refresh TCP connection timeouts and/or NAT timeouts (for the TCP and/or UDP sessions).

Nested Class Summary

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

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class org.mjsip.sip.provider.UdpKeepAlive

DEFAULT_TOKEN, delta_time, expire, stop, target, udp_socket, udp_token

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
SipKeepAlive(SipProvider sip_provider, SocketAddress target, long delta_time) Creates a new SipKeepAlive.
SipKeepAlive(SipProvider sip_provider, SocketAddress target, SipMessage sip_token, long delta_time) Creates a new SipKeepAlive.

Method Summary

Modifier and Type	Method and Description
void	run() Main thread.
void	sendToken() Sends the kepp-alive packet now.
java.lang.String	toString() Gets a String representation of the Object

Methods inherited from class org.mjsip.sip.provider.UdpKeepAlive

getDeltaTime, getDestSoAddress, halt, isRunning, setDeltaTime, setDestSoAddress, setExpirationTime

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, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

SipKeepAlive

public SipKeepAlive(SipProvider sip_provider,
                    SocketAddress target,
                    long delta_time)

Creates a new SipKeepAlive.

SipKeepAlive

public SipKeepAlive(SipProvider sip_provider,
                    SocketAddress target,
                    SipMessage sip_token,
                    long delta_time)

Creates a new SipKeepAlive.

Method Detail

sendToken

public void sendToken()
               throws java.io.IOException

Sends the kepp-alive packet now.

Overrides:

sendToken in class UdpKeepAlive

Throws:

java.io.IOException

run

public void run()

Main thread.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class UdpKeepAlive

toString

public java.lang.String toString()

Gets a String representation of the Object

Overrides:

toString in class UdpKeepAlive