| 12
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 
 | --
-- (C) 2013-21 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
local json = require ("dkjson")
local tracker = require("tracker")
local rest_utils = require("rest_utils")
--
-- Read number of active flows per protocol
-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1"}' http://localhost:3000/lua/rest/v1/get/flow/l4/counters.lua
--
-- NOTE: in case of invalid login, no error is returned but redirected to login
--
local rc = rest_utils.consts.success.ok
local res = {}
local ifid = _GET["ifid"]
if isEmptyString(ifid) then
   rest_utils.answer(rest_utils.consts.err.invalid_interface)
   return
end
interface.select(ifid)
local flowstats = interface.getActiveFlowsStats()
local l4_proto = flowstats["l4_protocols"]
for k,v in pairs(l4_proto, asc) do
   res[#res + 1] = {
      id = k,
      count = v.count,
   }
end
rest_utils.answer(rc, res)
 |