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--
-- (C) 2013-22 - 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 epoch_begin = tonumber(_GET["epoch_begin"])
local epoch_end = tonumber(_GET["epoch_end"])
local num_records = tonumber(_GET["totalRows"]) or 24
local rc = rest_utils.consts.success.ok
local curr = epoch_begin
-- 1 hour is 60*60=3600
local datasets = {}
local labels = {}
for i = 1, num_records, 1 do
if (curr < epoch_end) then
local key = os.date("%x", curr)
if datasets[key] == nil then
datasets[key] = 0
end
-- add an hour?
datasets[key] = datasets[key] + 1
curr = curr + 3600 -- ad an hour
else
break
end
end
local flatten = {}
local i = 1
for k, d in pairsByKeys(datasets) do
flatten[i] = d
labels[i] = k
i = i + 1
end
rest_utils.answer(rc, {
data = {
labels = labels,
datasets = {
{data = flatten, label = "Hours in a day", backgroundColor = "#f83a5dfa"}
}
},
options = {
maintainAspectRatio = false
},
redirect_url = ntop.getHttpPrefix()
})
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