monitor-utils: introduce monitor utils lua library

src/scripts/lib/monitor-utils.lua

@@ -0,0 +1,24 @@
+-- WirePlumber
+
+-- Copyright © 2023 Collabora Ltd.
+--    @author Ashok Sidipotu <ashok.sidipotu@collabora.com>
+
+-- SPDX-License-Identifier: MIT
+
+-- Script is a Lua Module of monitor Lua utility functions
+
+local mutils = {}
+
+-- finds out if any of the managed objects(nodes of a device or devices of
+-- device enumerator) has duplicate values
+function mutils.findDuplicate (parent, id, property, value)
+  for i = 0, id - 1, 1 do
+    local obj = parent:get_managed_object (i)
+    if obj and obj.properties[property] == value then
+      return true
+    end
+  end
+  return false
+end
+
+return mutils