From 831dc2e7de6904da01fb7cc5251c08db0296fd09 Mon Sep 17 00:00:00 2001
From: lazedo <luis.azedo@factorlusitano.com>
Date: Thu, 29 Nov 2018 15:35:53 +0000
Subject: [PATCH] track media instance-id

---
 kamailio/nodes-role.cfg | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/kamailio/nodes-role.cfg b/kamailio/nodes-role.cfg
index 1976773..54cf6d0 100644
--- a/kamailio/nodes-role.cfg
+++ b/kamailio/nodes-role.cfg
@@ -138,10 +138,18 @@ route[CHECK_MEDIA_SERVERS]
                  $var(MediaProfile) = $(avp(ProfileKeys)[$var(ProfileIdx)]);
                  $var(MediaRawUrl) = $(var(Payload){kz.json,Media-Servers.$var(MediaKey).Interfaces.$var(MediaProfile).URL});
                  $var(MediaUrl) =  $(var(MediaRawUrl){re.subst,/^sip:(.*)@(.*)/sip:\2/});
+                 $var(MediaInstanceUUID) = $(var(Payload){kz.json,Media-Servers.$var(MediaKey).Instance-UUID});
                  if($shtinc(media=>$var(MediaUrl)::count) == 1) {
                      $sht(media=>$var(MediaUrl)::zone) = $var(Zone);
                      $shtex(media=>$var(MediaUrl)::zone) = 0;
+                     $sht(media=>$var(MediaUrl)::uuid) = $var(MediaInstanceUUID);
+                     $shtex(media=>$var(MediaUrl)::uuid) = 0;
                      route(MEDIA_SERVER_UP);
+                 } else if($sht(media=>$var(MediaUrl)::uuid) != $var(MediaInstanceUUID)) {
+                     $sht(media=>$var(MediaUrl)::uuid) = $var(MediaInstanceUUID);
+                     $shtex(media=>$var(MediaUrl)::uuid) = 0;
+                     $var(Zone) = $sht(media=>$var(MediaUrl)::zone);
+                     route(MEDIA_SERVER_RESTART);
                  };
                  $var(MediaExpire) = ($(var(Payload){kz.json,Expires}{s.int}) / 1000) + NODES_FUDGE_EXPIRE;
                  xlog("L_DEBUG", "nodes|media|$var(Node) media expiration $var(MediaExpire) for $var(MediaUrl)\n");              
@@ -185,6 +193,16 @@ route[MEDIA_SERVER_DOWN]
 
 }
 
+route[MEDIA_SERVER_RESTART]
+{
+   xlog("L_WARNING", "htable|media|media server $var(MediaUrl) restarted in zone $var(Zone)\n");
+   
+#!ifdef PRESENCE_ROLE
+   route(RESET_PUBLISHER);
+#!endif
+
+}
+
 #!ifndef NODES_CUSTOM_BINDINGS
 route[NODES_BINDINGS]
 {