Add support for system configuration (WIP)

scripts/lua/system_setup_ui/mode.lua

@@ -0,0 +1,77 @@
+--
+-- (C) 2013-20 - ntop.org
+--
+
+local dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+package.path = dirs.installdir .. "/pro/scripts/lua/nedge/modules/?.lua;" .. package.path
+package.path = dirs.installdir .. "/pro/scripts/lua/nedge/modules/system_config/?.lua;" .. package.path
+
+local system_setup_ui_utils = require "system_setup_ui_utils"
+require "lua_utils"
+require "prefs_utils"
+
+local nf_config = require("nf_config"):create(true)
+
+system_setup_ui_utils.process_apply_discard_config(nf_config)
+
+if table.len(_POST) > 0 then
+   if not isEmptyString(_POST["operating_mode"]) then
+      nf_config:setOperatingMode(_POST["operating_mode"])
+     nf_config:save()
+   end
+end
+
+local print_page_body = function()
+  printPageSection(i18n("nedge.setup_mode"))
+
+  local available_modes = nf_config:getAvailableModes()
+
+  local all_l7_rrd_labels = {
+    --i18n("nedge.single_port_router"),
+    i18n("nedge.router"),
+    i18n("bridge"),
+  }
+
+  local all_l7_rrd_values = {
+    --"single_port_router",
+    "routing",
+    "bridging",
+  }
+
+  local l7_rrd_labels = {}
+  local l7_rrd_values = {}
+
+  for idx, mode in pairs(all_l7_rrd_values) do
+    if available_modes[mode] then
+      l7_rrd_labels[#l7_rrd_labels + 1] = all_l7_rrd_labels[idx]
+      l7_rrd_values[#l7_rrd_values + 1] = mode
+    end
+  end
+
+  local current_mode = nf_config:getOperatingMode()
+
+  local elementToSwitch = nil
+  local showElementArray = nil
+  local javascriptAfterSwitch = nil
+  local showElement = nil
+  local bridge_only = (not ntop.isnEdgeEnterprise())
+
+  multipleTableButtonPrefs(i18n("nedge.setup_mode"),
+				    i18n("nedge.set_the_device_mode"),
+				    l7_rrd_labels, l7_rrd_values,
+				    "",
+				    "primary",
+				    "operating_mode",
+				    "", bridge_only,
+				    elementToSwitch, showElementArray, javascriptAfterSwitch, showElement, current_mode)
+
+  if bridge_only then
+    prefsInformativeField("", i18n("nedge.router_mode_requires_enterprise"), true)
+  end
+
+  printSaveButton()
+end
+
+system_setup_ui_utils.print_setup_page(print_page_body, nf_config)
+