Reworks factory reset

scripts/lua/modules/prefs_factory_reset_utils.lua

@@ -0,0 +1,38 @@
+--
+-- (C) 2014-20 - ntop.org
+--
+
+local prefs_factory_reset_utils = {}
+
+-- ###########################################
+
+-- Key used to request the factory reset of runtime preferences
+-- Factory reset is performed in in boot.lua
+local prefs_factory_reset_request_key = "ntopng.cache.prefs_factory_reset_request"
+
+-- ###########################################
+
+-- @brief Request a factory reset (performed during the next startup)
+function prefs_factory_reset_utils.request_prefs_factory_reset()
+   ntop.setCache(prefs_factory_reset_request_key, "1")
+end
+
+-- ###########################################
+
+-- @brief Checks whether a factory reset has been requested and removes the possibly pending request
+function prefs_factory_reset_utils.is_prefs_factory_reset_requested()
+   local dump_requested = ntop.getCache(prefs_factory_reset_request_key)
+
+   if dump_requested == "1" then      
+      -- Delete as factory reset is going to be performed by the caller
+      ntop.delCache(prefs_factory_reset_request_key)
+
+      return true
+   end
+
+   return false
+end
+
+-- ###########################################
+
+return prefs_factory_reset_utils