Massive cleanup of flow user scripts into callback_definitions

scripts/lua/modules/callback_definitions/flow/low_goodput.lua

@@ -0,0 +1,56 @@
+--
+-- (C) 2019-21 - ntop.org
+--
+
+local user_scripts = require("user_scripts")
+local alerts_api = require "alerts_api"
+local alert_severities = require "alert_severities"
+local alert_consts = require "alert_consts"
+local flow_alert_keys = require "flow_alert_keys"
+
+-- #################################################################
+
+local script = {
+  packet_interface_only = true,
+  
+  -- Script category
+  category = user_scripts.script_categories.network,
+
+  packet_interface_only = true,
+  nedge_exclude = true,
+
+  -- This script is only for alerts generation
+  alert_id = flow_alert_keys.flow_alert_low_goodput,
+
+  default_value = {
+    severity = alert_severities.notice,
+    
+  },
+  
+  -- For a full list check "available_subdir.flow.available_fields" in user_scripts.lua
+  filter = {
+     default_filters = {
+	{ l7_proto =   8 }, -- MDNS
+	{ l7_proto =  26 }, -- ntop
+        { l7_proto =  39 }, -- Signal
+        { l7_proto =  48 }, -- QQ
+        { l7_proto =  65 }, -- IRC
+	{ l7_proto =  77 }, -- Telnet
+	{ l7_proto =  92 }, -- SSH
+        { l7_proto = 142 }, -- WhatsApp
+        { l7_proto = 185 }, -- Telegram
+        { l7_proto = 193 }, -- KakaoTalk
+        { l7_proto = 197 }, -- WeChat
+     },
+     default_fields  = { "srv_addr", "srv_port", "l7_proto", }
+  },
+
+  gui = {
+    i18n_title = "flow_callbacks.low_goodput_title",
+    i18n_description = "flow_callbacks.low_goodput_description",
+  }
+}
+
+-- #################################################################
+
+return script