From fdebba2a522a90256ce9cf8883e543ae55bc1eca Mon Sep 17 00:00:00 2001
From: "Kevin P. Fleming" <kpfleming@digium.com>
Date: Tue, 22 Jul 2008 21:23:41 +0000
Subject: [PATCH] Merged revisions 132721 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/trunk

................
r132721 | kpfleming | 2008-07-22 16:21:56 -0500 (Tue, 22 Jul 2008) | 14 lines

Merged revisions 132712 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r132712 | kpfleming | 2008-07-22 16:17:23 -0500 (Tue, 22 Jul 2008) | 6 lines

ensure that if any alarms exist at channel creation time, they are handled identically to if they occurred later, so that later alarm clearing will work properly and 'make sense'

(closes issue #12160)
Reported by: tzafrir


........

................


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@132729 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_dahdi.c | 40 +++++++++++++++++-----------------------
 1 file changed, 17 insertions(+), 23 deletions(-)

diff --git a/channels/chan_dahdi.c b/channels/chan_dahdi.c
index 03f8fd102a..8b45740c00 100644
--- a/channels/chan_dahdi.c
+++ b/channels/chan_dahdi.c
@@ -4251,6 +4251,17 @@ static void dahdi_handle_dtmfup(struct ast_channel *ast, int index, struct ast_f
 		dahdi_confmute(p, 0);
 }
 			
+static void handle_alarms(struct dahdi_pvt *p, int alarms)
+{
+	const char *alarm_str = alarm2str(alarms);
+
+	ast_log(LOG_WARNING, "Detected alarm on channel %d: %s\n", p->channel, alarm_str);
+	manager_event(EVENT_FLAG_SYSTEM, "Alarm",
+		      "Alarm: %s\r\n"
+		      "Channel: %d\r\n",
+		      alarm_str, p->channel);
+}
+
 static struct ast_frame *dahdi_handle_event(struct ast_channel *ast)
 {
 	int res, x;
@@ -4400,11 +4411,7 @@ static struct ast_frame *dahdi_handle_event(struct ast_channel *ast)
 #endif
 			p->inalarm = 1;
 			res = get_alarms(p);
-			ast_log(LOG_WARNING, "Detected alarm on channel %d: %s\n", p->channel, alarm2str(res));
-			manager_event(EVENT_FLAG_SYSTEM, "Alarm",
-								"Alarm: %s\r\n"
-								"Channel: %d\r\n",
-								alarm2str(res), p->channel);
+			handle_alarms(p, res);
 #ifdef HAVE_PRI
 			if (!p->pri || !p->pri->pri || pri_get_timer(p->pri->pri, PRI_TIMER_T309) < 0) {
 				/* fall through intentionally */
@@ -7340,11 +7347,7 @@ static void *mwi_thread(void *data)
 			case DAHDI_EVENT_ALARM:
 				mtd->pvt->inalarm = 1;
 				res = get_alarms(mtd->pvt);
-				ast_log(LOG_WARNING, "Detected alarm on channel %d: %s\n", mtd->pvt->channel, alarm2str(res));
-				manager_event(EVENT_FLAG_SYSTEM, "Alarm",
-					"Alarm: %s\r\n"
-					"Channel: %d\r\n",
-					alarm2str(res), mtd->pvt->channel);
+				handle_alarms(mtd->pvt, res);
 				break; /* What to do on channel alarm ???? -- fall thru intentionally?? */
 			default:
 				ast_log(LOG_NOTICE, "Got event %d (%s)...  Passing along to ss_thread\n", res, event2str(res));
@@ -7558,11 +7561,7 @@ static int handle_init_event(struct dahdi_pvt *i, int event)
 	case DAHDI_EVENT_ALARM:
 		i->inalarm = 1;
 		res = get_alarms(i);
-		ast_log(LOG_WARNING, "Detected alarm on channel %d: %s\n", i->channel, alarm2str(res));
-		manager_event(EVENT_FLAG_SYSTEM, "Alarm",
-			"Alarm: %s\r\n"
-			"Channel: %d\r\n",
-			alarm2str(res), i->channel);
+		handle_alarms(i, res);
 		/* fall thru intentionally */
 	case DAHDI_EVENT_ONHOOK:
 		if (i->radio)
@@ -8555,16 +8554,11 @@ static struct dahdi_pvt *mkintf(int channel, const struct dahdi_chan_conf *conf,
 			/* the dchannel is down so put the channel in alarm */
 			if (tmp->pri && !pri_is_up(tmp->pri))
 				tmp->inalarm = 1;
-			else
-				tmp->inalarm = 0;
 #endif				
-			memset(&si, 0, sizeof(si));
-			if (ioctl(tmp->subs[SUB_REAL].zfd,DAHDI_SPANSTAT,&si) == -1) {
-				ast_log(LOG_ERROR, "Unable to get span status: %s\n", strerror(errno));
-				destroy_dahdi_pvt(&tmp);
-				return NULL;
+			if ((res = get_alarms(tmp)) != DAHDI_ALARM_NONE) {
+				tmp->inalarm = 1;
+				handle_alarms(tmp, res);
 			}
-			if (si.alarms) tmp->inalarm = 1;
 		}
 
 		tmp->polarityonanswerdelay = conf->chan.polarityonanswerdelay;