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1 /*
2  * This source code has been contributed to the public domain by Mobicents
3  *
4  * This software is provided by NIST as a service and is expressly
5  * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
6  * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
7  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
8  * AND DATA ACCURACY.  NIST does not warrant or make any representations
9  * regarding the use of the software or the results thereof, including but
10  * not limited to the correctness, accuracy, reliability or usefulness of
11  * the software.
12  *
13  * Permission to use this software is contingent upon your acceptance
14  * of the terms of this agreement.
15  */
16 package gov.nist.javax.sip;
17 
18 import javax.sip.Dialog;
19 import javax.sip.SipListener;
20 
21 /**
22  * This interface extends the {@link SipListener} interface and adds the following events to it :
23  * <ul>
24  * <li>{@link DialogTimeoutEvent}- these are timeout notifications emitted as events by the
25  * SipProvider. Timeout events represent timers expiring in the underlying SipProvider dialog
26  * state machine. These timeout's events notify the application that a dialog has timed out.</li>
27  * </ul>
28  *
29  * @author jean.deruelle@gmail.com
30  *
31  */
32 public interface SipListenerExt extends SipListener {
33 
34     /**
35      * Processes an expiration Timeout of an underlying {@link Dialog} handled by this
36      * SipListener. This Event notifies the application that a dialog Timer expired in the
37      * Dialog's state machine. Such a condition can occur when the application fails to send an
38      * ACK after receiving an OK response or if an ACK is not received after an OK is sent. The
39      * DialogTimeoutEvent encapsulates the specific timeout type and the dialog identifier. The
40      * type of Timeout can by determined by:
41      * <code>timeoutType = timeoutEvent.getTimeout().getValue();</code>
42      *
43      * Applications implementing this method should take care of sending the BYE or terminating
44      * the dialog to avoid any dialog leaks.
45      *
46      * @param timeoutEvent - the timeoutEvent received indicating the dialog timed out.
47      */
processDialogTimeout(DialogTimeoutEvent timeoutEvent)48     public void processDialogTimeout(DialogTimeoutEvent timeoutEvent);
49 }
50