Fix for chan_skinny leaving RTP ports open

Skinny wasn't closing RTP sockets. This patch includes ast_rtp_instance_stop before
ast_rtp_instance_destroy which fixes the problem. Also add destroy for VRTP (which
I believe is unused, but exists).

Review: https://reviewboard.asterisk.org/r/2176/
........

Merged revisions 375660 from http://svn.asterisk.org/svn/asterisk/branches/11

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@375663 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_skinny.c b/channels/chan_skinny.c
index 3e4046f..81edb01 100644 (file)
--- a/channels/chan_skinny.c
+++ b/channels/chan_skinny.c
@@ -4242,6 +4242,22 @@ static void start_rtp(struct skinny_subchannel *sub)
        ast_mutex_unlock(&sub->lock);
 }
 
+static void destroy_rtp(struct skinny_subchannel *sub)
+{
+       if (sub->rtp) {
+               SKINNY_DEBUG(DEBUG_AUDIO, 3, "Sub %d - Destroying RTP\n", sub->callid);
+               ast_rtp_instance_stop(sub->rtp);
+               ast_rtp_instance_destroy(sub->rtp);
+               sub->rtp = NULL;
+       }
+       if (sub->vrtp) {
+               SKINNY_DEBUG(DEBUG_AUDIO, 3, "Sub %d - Destroying VRTP\n", sub->callid);
+               ast_rtp_instance_stop(sub->vrtp);
+               ast_rtp_instance_destroy(sub->vrtp);
+               sub->vrtp = NULL;
+       }
+}
+
 static void *skinny_newcall(void *data)
 {
        struct ast_channel *c = data;
@@ -4475,10 +4491,7 @@ static int skinny_hangup(struct ast_channel *ast)
        ast_mutex_lock(&sub->lock);
        sub->owner = NULL;
        ast_channel_tech_pvt_set(ast, NULL);
-       if (sub->rtp) {
-               ast_rtp_instance_destroy(sub->rtp);
-               sub->rtp = NULL;
-       }
+       destroy_rtp(sub);
        ast_mutex_unlock(&sub->lock);
        ast_free(sub);
        ast_module_unref(ast_module_info->self);
@@ -5090,20 +5103,17 @@ static void setsubstate(struct skinny_subchannel *sub, int state)
                                transmit_closereceivechannel(d, sub);
                                transmit_stopmediatransmission(d, sub);
                        }
-                       
+
                        if (subline->callid) {
                                transmit_stop_tone(d, l->instance, sub->callid);
                                transmit_callstate(d, l->instance, subline->callid, SKINNY_CALLREMOTEMULTILINE);
                                transmit_selectsoftkeys(d, l->instance, subline->callid, KEYDEF_SLACONNECTEDNOTACTIVE);
                                transmit_displaypromptstatus(d, "In Use", 0, l->instance, subline->callid);
                        }
-                       
-                       sub->cxmode = SKINNY_CX_RECVONLY;       
+
+                       sub->cxmode = SKINNY_CX_RECVONLY;
                        sub->substate = SUBSTATE_ONHOOK;
-                       if (sub->rtp) {
-                               ast_rtp_instance_destroy(sub->rtp);
-                               sub->rtp = NULL;
-                       }
+                       destroy_rtp(sub);
                        sub->substate = SUBSTATE_ONHOOK;
                        if (sub->owner) {
                                ast_queue_hangup(sub->owner);
@@ -5211,12 +5221,9 @@ static void setsubstate(struct skinny_subchannel *sub, int state)
                        transmit_clearpromptmessage(d, l->instance, sub->callid);
                }
 
-               sub->cxmode = SKINNY_CX_RECVONLY;       
+               sub->cxmode = SKINNY_CX_RECVONLY;
                sub->substate = SUBSTATE_ONHOOK;
-               if (sub->rtp) {
-                       ast_rtp_instance_destroy(sub->rtp);
-                       sub->rtp = NULL;
-               }
+               destroy_rtp(sub);
                if (sub->owner) {
                        ast_queue_hangup(sub->owner);
                }