From c2cb6e6896bf489269137974a2d284819e4becb6 Mon Sep 17 00:00:00 2001
From: Victor Seva <vseva@sipwise.com>
Date: Fri, 2 Jan 2015 13:12:09 +0100
Subject: [PATCH] MT#10521 dlgcnt: add exists function

Change-Id: Ibac4bacbe4af66b44901eeb2cd8b74211a719ff4
---
 ngcp/dlgcnt.lua | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/ngcp/dlgcnt.lua b/ngcp/dlgcnt.lua
index 7e59e18..159b10f 100644
--- a/ngcp/dlgcnt.lua
+++ b/ngcp/dlgcnt.lua
@@ -86,6 +86,18 @@ end
         return res;
     end
 
+    function NGCPDlgCounters:exists(callid)
+        if not self._test_connection(self.pair) then
+            self.pair = self._connect(self.config.pair);
+        end
+        local res = self.pair:llen(callid)
+        if res > 0 then
+            return true
+        else
+            return false
+        end
+    end
+
     function NGCPDlgCounters:is_in_set(callid, key)
         if not self._test_connection(self.pair) then
             self.pair = self._connect(self.config.pair);