Adds new REST API v2/

Addresses #5269

scripts/lua/rest/v2/get/time/data.lua

@@ -0,0 +1,38 @@
+--
+-- (C) 2013-21 - ntop.org
+--
+
+local dirs = ntop.getDirs()
+
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+
+require "lua_utils"
+local rest_utils = require("rest_utils")
+
+local begin_epoch   = tonumber(_GET["begin_epoch"])
+local end_epoch     = tonumber(_GET["end_epoch"])
+local num_records   = tonumber(_GET["totalRows"]) or 24
+
+
+local curr = begin_epoch
+local records = {}
+
+-- 1 hour is 60*60=3600
+
+local start = os.time()
+
+for i = 1, num_records, 1 do
+
+    if (curr < end_epoch) then
+        records[#records+1] = {index = i, date = os.date("%c", curr)}
+        curr = curr + 3600
+    else
+        break
+    end
+
+end
+
+rest_utils.answer(rest_utils.consts.success.ok, {
+    time = os.time() - start,
+    records = records
+})