From: Russell Bryant <russell@russellbryant.com>
Date: Wed, 20 Jun 2007 18:45:38 +0000 (+0000)
Subject: Fix a problem where an established call would not be properly disconnected
X-Git-Tag: 1.2.20~32
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cfaead2b9ca88e243a0763655038e81c7715ac66;p=thirdparty%2Fasterisk.git

Fix a problem where an established call would not be properly disconnected
when a PRI disconnect is received depending on which cause code was received.
(issue #9588, original patch by softins, updated patch from jtexter3, and some
 additional feedback from mhardeman)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@70396 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 7023e90614..6471cb0fc3 100644
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -8997,25 +8997,29 @@ static void *pri_dchannel(void *vpri)
 							else if (pri->pvts[chanpos]->owner) {
 								/* Queue a BUSY instead of a hangup if our cause is appropriate */
 								pri->pvts[chanpos]->owner->hangupcause = e->hangup.cause;
-								switch(e->hangup.cause) {
-								case PRI_CAUSE_USER_BUSY:
-									pri->pvts[chanpos]->subs[SUB_REAL].needbusy =1;
-									break;
-								case PRI_CAUSE_CALL_REJECTED:
-								case PRI_CAUSE_NETWORK_OUT_OF_ORDER:
-								case PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION:
-								case PRI_CAUSE_SWITCH_CONGESTION:
-								case PRI_CAUSE_DESTINATION_OUT_OF_ORDER:
-								case PRI_CAUSE_NORMAL_TEMPORARY_FAILURE:
-									pri->pvts[chanpos]->subs[SUB_REAL].needcongestion =1;
-									break;
-								default:
+								if (pri->pvts[chanpos]->owner->_state == AST_STATE_UP)
 									pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
+								else {
+									switch (e->hangup.cause) {
+										case PRI_CAUSE_USER_BUSY:
+											pri->pvts[chanpos]->subs[SUB_REAL].needbusy =1;
+											break;
+										case PRI_CAUSE_CALL_REJECTED:
+										case PRI_CAUSE_NETWORK_OUT_OF_ORDER:
+										case PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION:
+										case PRI_CAUSE_SWITCH_CONGESTION:
+										case PRI_CAUSE_DESTINATION_OUT_OF_ORDER:
+										case PRI_CAUSE_NORMAL_TEMPORARY_FAILURE:
+											pri->pvts[chanpos]->subs[SUB_REAL].needcongestion =1;
+											break;
+										default:
+											pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
+									}
 								}
 							}
 							if (option_verbose > 2) 
-								ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d got hangup\n", 
-									pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span);
+								ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d got hangup, cause %d\n", 
+									pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span, e->hangup.cause);
 						} else {
 							pri_hangup(pri->pri, pri->pvts[chanpos]->call, e->hangup.cause);
 							pri->pvts[chanpos]->call = NULL;
@@ -9063,23 +9067,27 @@ static void *pri_dchannel(void *vpri)
 							pri_hangup_all(pri->pvts[chanpos]->realcall, pri);
 						else if (pri->pvts[chanpos]->owner) {
 							pri->pvts[chanpos]->owner->hangupcause = e->hangup.cause;
-							switch(e->hangup.cause) {
-							case PRI_CAUSE_USER_BUSY:
-								pri->pvts[chanpos]->subs[SUB_REAL].needbusy =1;
-								break;
-							case PRI_CAUSE_CALL_REJECTED:
-							case PRI_CAUSE_NETWORK_OUT_OF_ORDER:
-							case PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION:
-							case PRI_CAUSE_SWITCH_CONGESTION:
-							case PRI_CAUSE_DESTINATION_OUT_OF_ORDER:
-							case PRI_CAUSE_NORMAL_TEMPORARY_FAILURE:
-								pri->pvts[chanpos]->subs[SUB_REAL].needcongestion =1;
-								break;
-							default:
+							if (pri->pvts[chanpos]->owner->_state == AST_STATE_UP)
 								pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
+							else {
+								switch (e->hangup.cause) {
+									case PRI_CAUSE_USER_BUSY:
+										pri->pvts[chanpos]->subs[SUB_REAL].needbusy =1;
+										break;
+									case PRI_CAUSE_CALL_REJECTED:
+									case PRI_CAUSE_NETWORK_OUT_OF_ORDER:
+									case PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION:
+									case PRI_CAUSE_SWITCH_CONGESTION:
+									case PRI_CAUSE_DESTINATION_OUT_OF_ORDER:
+									case PRI_CAUSE_NORMAL_TEMPORARY_FAILURE:
+										pri->pvts[chanpos]->subs[SUB_REAL].needcongestion =1;
+										break;
+									default:
+										pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
+								}
 							}
 							if (option_verbose > 2) 
-								ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d got hangup request\n", PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span);
+								ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d got hangup request, cause %d\n", PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span, e->hangup.cause);
 							if (e->hangup.aoc_units > -1)
 								if (option_verbose > 2)
 									ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d received AOC-E charging %d unit%s\n",