Merged revisions 84274 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r84274 | dhubbard | 2007-10-01 16:25:37 -0500 (Mon, 01 Oct 2007) | 1 line

moved get_base_channel() code from action_redirect to ast_channel_masquerade() for issue 7706 and BE-160
........


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@84275 f38db490-d61c-443f-a65b-d21fe96a405b

3 files changed, 14 insertions, 23 deletions

diff --git a/channels/chan_agent.c b/channels/chan_agent.c
index 438134fbb..f3fdd19f0 100644
--- a/channels/chan_agent.c
+++ b/channels/chan_agent.c
@@ -702,17 +702,20 @@ static void set_agentbycallerid(const char *callerid, const char *agent)
 	pbx_builtin_setvar_helper(NULL, buf, agent);
 }
 
+/*! \brief return the channel or base channel if one exists.  This function assumes the channel it is called on is already locked */
 struct ast_channel* agent_get_base_channel(struct ast_channel *chan)
 {
 	struct agent_pvt *p = NULL;
-	struct ast_channel *base = NULL;
-	
+	struct ast_channel *base = chan;
+
+	/* chan is locked by the calling function */
 	if (!chan || !chan->tech_pvt) {
 		ast_log(LOG_ERROR, "whoa, you need a channel (0x%ld) with a tech_pvt (0x%ld) to get a base channel.\n", (long)chan, (chan)?(long)chan->tech_pvt:(long)NULL);
-	} else {
-		p = chan->tech_pvt;
-		base = p->chan;
+		return NULL;
 	}
+	p = chan->tech_pvt;
+	if (p->chan) 
+		base = p->chan;
 	return base;
 }
 
diff --git a/main/channel.c b/main/channel.c
index e11afe9d4..1976e111a 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -3333,7 +3333,7 @@ int ast_channel_make_compatible(struct ast_channel *chan, struct ast_channel *pe
 int ast_channel_masquerade(struct ast_channel *original, struct ast_channel *clone)
 {
 	int res = -1;
-	struct ast_channel *final_orig, *final_clone;
+	struct ast_channel *final_orig, *final_clone, *base;
 
 retrymasq:
 	final_orig = original;
@@ -3353,6 +3353,10 @@ retrymasq:
 
 	if (clone->_bridge && (clone->_bridge != ast_bridged_channel(clone)) && (clone->_bridge->_bridge != clone))
 		final_clone = clone->_bridge;
+	
+	if (final_clone->tech->get_base_channel && (base = final_clone->tech->get_base_channel(final_clone))) {
+		final_clone = base;
+	}
 
 	if ((final_orig != original) || (final_clone != clone)) {
 		/* Lots and lots of deadlock avoidance.  The main one we're competing with
diff --git a/main/manager.c b/main/manager.c
index ff628242d..83e9c826d 100644
--- a/main/manager.c
+++ b/main/manager.c
@@ -1787,7 +1787,7 @@ static int action_redirect(struct mansession *s, const struct message *m)
 	const char *exten = astman_get_header(m, "Exten");
 	const char *context = astman_get_header(m, "Context");
 	const char *priority = astman_get_header(m, "Priority");
-	struct ast_channel *base, *chan, *chan2 = NULL;
+	struct ast_channel *chan, *chan2 = NULL;
 	int pi = 0;
 	int res;
 
@@ -1809,14 +1809,6 @@ static int action_redirect(struct mansession *s, const struct message *m)
 		astman_send_error(s, m, buf);
 		return 0;
 	}
-	if (chan->tech->get_base_channel) {
-		base = chan->tech->get_base_channel(chan);
-		if (base) {
-			ast_mutex_unlock(&chan->lock);
-			chan = base;
-			ast_mutex_lock(&chan->lock);
-		}
-	}
 	if (ast_check_hangup(chan)) {
 		astman_send_error(s, m, "Redirect failed, channel not up.\n");
 		ast_channel_unlock(chan);
@@ -1830,14 +1822,6 @@ static int action_redirect(struct mansession *s, const struct message *m)
 		ast_channel_unlock(chan2);
 		return 0;
 	}
-	if (chan2 && chan2->tech->get_base_channel) {
-		base = chan2->tech->get_base_channel(chan2);
-		if (base) {
-			ast_mutex_unlock(&chan2->lock);
-			chan2 = base;
-			ast_mutex_lock(&chan2->lock);
-		}
-	}
 	res = ast_async_goto(chan, context, exten, pi);
 	if (!res) {
 		if (!ast_strlen_zero(name2)) {