org.mjsip.sip.transaction

Class ReliableProvisionalResponder

java.lang.Object

org.mjsip.sip.transaction.ReliableProvisionalResponder

public class ReliableProvisionalResponder
extends java.lang.Object

Reliable responder for provisional responses. Provisional responses (with response code > 100 and < 200) are retransmitted with an exponential backoff until a corrensponding PRACK message is received (RFC 3262).

Ougoing reliable provisional (1xx) response should be passed to this ReliableProvisionalResponder through the method respond(SipMessage). Incoming PRACK messages should be passed to this ReliableProvisionalResponder through the method processPrack(SipMessage).

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	DEBUG_RSEQ_INIT1 Whether initializing RSeq = 1; note that RFC 3262 specifies that the initial value of RSeq should be chosen uniformly between 1 and 2^31 - 1

Constructor Summary

Constructors

Constructor and Description
ReliableProvisionalResponder(InviteTransactionServer invite_ts, ReliableProvisionalResponderListener listener) Creates a new ReliableProvisionalResponder.

Method Summary

Modifier and Type	Method and Description
boolean	hasPendingResponses() Whether there are some responses that have not been confirmed yet though a PRACK message.
protected void	log(LogLevel level, java.lang.Exception e) Adds the Exception to the log file.
protected void	log(LogLevel level, java.lang.String str) Adds a new string to the default log.
void	processPrack(SipMessage prack) Processes a new received PRACK message.
void	respond(SipMessage resp) Sends a new 1xx response.
void	terminate() Terminates any retransmission.

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG_RSEQ_INIT1

public static boolean DEBUG_RSEQ_INIT1

Whether initializing RSeq = 1; note that RFC 3262 specifies that the initial value of RSeq should be chosen uniformly between 1 and 2^31 - 1

Constructor Detail

ReliableProvisionalResponder

public ReliableProvisionalResponder(InviteTransactionServer invite_ts,
                                    ReliableProvisionalResponderListener listener)

Creates a new ReliableProvisionalResponder.

Method Detail

respond

public void respond(SipMessage resp)

Sends a new 1xx response. It actually adds the response to the output queue, waiting for the confirmation of the previously queued responses.

Parameters:

resp - the 1xx resp

processPrack

public void processPrack(SipMessage prack)

Processes a new received PRACK message.

Parameters:

prack - the received PRACK

hasPendingResponses

public boolean hasPendingResponses()

Whether there are some responses that have not been confirmed yet though a PRACK message.

Returns:

true if one or more responses are still waiting for a confirmation

terminate

public void terminate()

Terminates any retransmission.

log

protected void log(LogLevel level,
                   java.lang.Exception e)

Adds the Exception to the log file.

log

protected void log(LogLevel level,
                   java.lang.String str)

Adds a new string to the default log.