ntopng/scripts/lua/modules/flow_pie.lua
2026-01-19 16:23:53 +01:00

101 lines
3.1 KiB
Lua

--
-- (C) 2013-26 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "ntop_utils"
local flow_data = require "flow_data"
local format_utils = require "format_utils"
local flow_data_preset = require "flow_data_preset"
local flow_pie = {}
local values_table = {}
-- ##########################################
local function update_section(sections, section_ref, value, formatter)
local section_label = formatter(section_ref)
local index = values_table[section_ref].index
local previous_value = values_table[section_ref].value
local new_value = previous_value + value
sections[index].label = section_label .. " (" .. bytesToSize(new_value) .. ")"
sections[index].value = new_value
values_table[section_ref].value = new_value
end
-- ##########################################
local function create_section(sections, section_ref, value, formatter)
local section_label = formatter(section_ref)
local index = #sections + 1
sections[index] = {
label = section_label .. " (" .. bytesToSize(value) .. ")",
value = value,
url = '#'
}
values_table[section_ref] = {
index = index,
value = value
}
end
-- ##########################################
local function format_table(sections, query, table, max_sections)
local custumer_asns = {}
local others = {
label = i18n("others"),
value = 0
}
if query.only_custumers == true then
local as_utils = require "as_utils"
custumer_asns = as_utils.getCustomerAndSubCustomerASNs()
end
for _, value in pairs(table or {}) do
local section_ref = value[query.section_ref]
local value_ref = tonumber(value[query.value_ref])
if query.only_custumers == nil or query.only_custumers == false or
(query.only_custumers == true and custumer_asns[section_ref] ~= nil) then
if values_table[section_ref] ~= nil then
update_section(sections, section_ref, value_ref, query.section_format)
elseif #sections <= max_sections then
create_section(sections, section_ref, value_ref, query.section_format)
else
others.value = others.value + value_ref
end
end
end
if others.value > 0 then
if values_table["others"] ~= nil then
update_section(sections, "others", others.value, query.section_format)
else
create_section(sections, "others", others.value, query.section_format)
end
end
end
-- ##########################################
-- @brief Given a list of queries to be run, it will generate a pie
-- @param queries Queries to run
-- @return
function flow_pie.generatePie(queries, max_sections, isHistorical)
local sections = {}
if not isHistorical then
interface.aggregateASNFlows()
end
for _, query in pairs(queries) do
local table_stats = flow_data.getStats({query})
format_table(sections, query, table_stats, max_sections)
end
return sections
end
-- ##########################################
return flow_pie