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--
-- (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 stats_utils = require("stats_utils")
--
-- Read statistics about nDPI application protocols for a hsot
-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1", "host": "192.168.1.1"}' http://localhost:3000/lua/rest/v1/get/host/l7/stats.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"]
local host_info = url2hostinfo(_GET)
local breed = _GET["breed"]
local ndpi_category = _GET["ndpi_category"]
if isEmptyString(ifid) then
rc = rest_utils.consts.err.invalid_interface
rest_utils.answer(rc)
return
end
local show_breed = false
if breed == "true" then
show_breed = true
end
local show_ndpi_category = false
if ndpi_category == "true" then
show_ndpi_category = true
end
interface.select(ifid)
local ndpi_protos = interface.getnDPIProtocols()
local function getAppUrl(app)
if ndpi_protos[app] ~= nil then
return ntop.getHttpPrefix().."/lua/flows_stats.lua?application="..app
end
return nil
end
local tot = 0
local stats = interface.getHostInfo(host_info["host"], host_info["vlan"])
if stats == nil then
rest_utils.answer(rest_utils.consts.err.not_found)
return
end
tot = stats["bytes.sent"] + stats["bytes.rcvd"]
local _ifstats = computeL7Stats(stats, show_breed, show_ndpi_category)
for key, value in pairsByValues(_ifstats, rev) do
local duration = 0
if(stats["ndpi"][key] ~= nil) then
duration = stats["ndpi"][key]["duration"]
end
res[#res + 1] = {
label = key,
value = value,
duration = duration,
}
end
local collapsed = stats_utils.collapse_stats(res, 1, 3 --[[ threshold ]])
rest_utils.answer(rc, collapsed)
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