Merged revisions 33638 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r33638 | kpfleming | 2006-06-12 11:03:29 -0500 (Mon, 12 Jun 2006) | 2 lines

only allow chan_local to masquerade the outbound channel onto its owner, instead of the other way around (this will ensure that group variables on the outbound channel as preserved)

........


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@33643 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 13 insertions, 1 deletions

diff --git a/channels/chan_local.c b/channels/chan_local.c
index 10c96192b..68dbd7d89 100644
--- a/channels/chan_local.c
+++ b/channels/chan_local.c
@@ -211,7 +211,13 @@ static void check_bridge(struct local_pvt *p, int isoutbound)
 		return;
 	if (!p->chan || !p->owner)
 		return;
-	if (isoutbound&& p->chan->_bridge /* Not ast_bridged_channel!  Only go one step! */ && !p->owner->readq) {
+
+	/* only do the masquerade if we are being called on the outbound channel,
+	   if it has been bridged to another channel and if there are no pending
+	   frames on the owner channel (because they would be transferred to the
+	   outbound channel during the masquerade)
+	*/
+	if (isoutbound && p->chan->_bridge /* Not ast_bridged_channel!  Only go one step! */ && !p->owner->readq) {
 		/* Masquerade bridged channel into owner */
 		/* Lock everything we need, one by one, and give up if
 		   we can't get everything.  Remember, we'll get another
@@ -228,6 +234,11 @@ static void check_bridge(struct local_pvt *p, int isoutbound)
 				ast_mutex_unlock(&(p->chan->_bridge)->lock);
 			}
 		}
+	/* We only allow masquerading in one 'direction'... it's important to preserve the state
+	   (group variables, etc.) that live on p->chan->_bridge (and were put there by the dialplan)
+	   when the local channels go away.
+	*/
+#if 0
 	} else if (!isoutbound && p->owner && p->owner->_bridge && p->chan && !p->chan->readq) {
 		/* Masquerade bridged channel into chan */
 		if (!ast_mutex_trylock(&(p->owner->_bridge)->lock)) {
@@ -242,6 +253,7 @@ static void check_bridge(struct local_pvt *p, int isoutbound)
 			}
 			ast_mutex_unlock(&(p->owner->_bridge)->lock);
 		}
+#endif
 	}
 }