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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")
local dscp_consts = require "dscp_consts"
--
-- Read DSCP statistics on an interface
-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1"}' http://localhost:3000/lua/rest/v2/get/interface/dscp/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"]
if isEmptyString(ifid) then
rc = rest_utils.consts.err.invalid_interface
rest_utils.answer(rc)
return
end
interface.select(ifid)
local stats = interface.getStats()
if stats == nil then
rest_utils.answer(rest_utils.consts.err.internal_error)
return
end
for key, value in pairsByKeys(stats.dscp, asc) do
res[#res + 1] = {
label = dscp_consts.ds_class_descr(key),
value = value['packets.rcvd'] + value['packets.sent']
}
end
local collapsed = stats_utils.collapse_stats(res, 1)
rest_utils.answer(rc, collapsed)
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