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sofia-sip: extend timeout for session expires on short timeouts to be 90% of timeout instead of 1/3 to handle devices that do not refresh in time such as polycom (SFSIP-212)

This commit is contained in:
Michael Jerris 2010-05-31 09:50:44 -04:00
parent 52cd8cdd64
commit a7f4892887
2 changed files with 8 additions and 7 deletions
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2
libs/sofia-sip/.update
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@ -1 +1 @@
Mon May 31 08:54:37 EDT 2010
Mon May 31 09:47:08 EDT 2010

13
libs/sofia-sip/libsofia-sip-ua/nua/nua_session.c
View File

@ -1552,6 +1552,7 @@ static void nua_session_usage_refresh(nua_handle_t *nh,
return;
if (ss->ss_timer->refresher == nua_remote_refresher) {
SU_DEBUG_3(("nua(%p): session almost expired, sending BYE before timeout.\n", (void *)nh));
ss->ss_reason = "SIP;cause=408;text=\"Session timeout\"";
nua_stack_bye(nh->nh_nua, nh, nua_r_bye, NULL);
return;
@ -4493,14 +4494,14 @@ session_timer_set(nua_session_usage_t *ss, int uas)
t->timer_set = 1;
}
else if (t->refresher == nua_remote_refresher) {
/* if the side not performing refreshes does not receive a
session refresh request before the session expiration, it SHOULD send
a BYE to terminate the session, slightly before the session
expiration. The minimum of 32 seconds and one third of the session
interval is RECOMMENDED. */
/* RFC 4028 10.3 and 10.4: Send BYE before the session expires.
Increased interval from 2/3 to 9/10 of session expiration delay
because some endpoints won't UPDATE early enough with very short
sessions (e.g. 120). */
unsigned interval = t->interval;
interval -= 32 > interval / 3 ? interval / 3 : 32;
interval -= 32 > interval / 10 ? interval / 10 : 32;
nua_dialog_usage_set_refresh_range(du, interval, interval);
t->timer_set = 1;