Added inactive hosts page charts

scripts/lua/rest/v2/get/host/inactive/active_inactive.lua

@@ -0,0 +1,51 @@
+--
+-- (C) 2013-23 - ntop.org
+--
+
+dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+
+-- Imports
+require "lua_utils"
+local graph_utils = require "graph_utils"
+local rest_utils = require "rest_utils"
+local inactive_hosts_utils = require "inactive_hosts_utils"
+
+-- Local variables
+
+local ifid        = _GET["ifid"] or interface.getId()
+interface.select(tostring(ifid))
+
+local active_hosts = interface.getStats().stats.local_hosts
+local inactive_hosts = inactive_hosts_utils.getInactiveHostsNumber(ifid)
+
+local rsp = {
+  series = {},
+  labels = {},
+  colors = {},
+  yaxis = {
+    labels = {}
+  },
+  tooltip = {
+    y = {}
+  }
+}
+
+-- ##################################
+
+rsp["series"] = {
+  tonumber(active_hosts),
+  tonumber(inactive_hosts)
+}
+rsp["labels"] = {
+  i18n('graphs.active_hosts'),
+  i18n('graphs.inactive_hosts')
+}
+rsp["colors"] = {
+  graph_utils.get_html_color(1),
+  graph_utils.get_html_color(2),
+}
+
+-- ##################################
+
+rest_utils.answer(rest_utils.consts.success.ok, rsp)