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113 lines
2.5 KiB
Lua
113 lines
2.5 KiB
Lua
--
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-- (C) 2013-24 - ntop.org
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--
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local dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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require "lua_utils"
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local format_utils = require "format_utils"
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sendHTTPContentTypeHeader('text/html')
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local host_info = url2hostinfo(_GET)
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local host_key = hostinfo2hostkey(host_info)
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if isEmptyString(host_key) then
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host_info = nil
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host_key = nil
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end
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local function fill_ports_array(field_key, flows_stats)
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local ports_array = {}
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for _, value in ipairs(flows_stats) do
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local p = value[field_key .. ".port"]
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if (ports_array[p] == nil) then
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ports_array[p] = 0
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end
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ports_array[p] = ports_array[p] + value["bytes"]
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end
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return ports_array
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end
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local flows_stats = interface.getFlowsInfo(host_key) or {}
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if flows_stats["flows"] then
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flows_stats = flows_stats["flows"]
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end
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local client_ports = fill_ports_array("cli", flows_stats)
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local server_ports = fill_ports_array("srv", flows_stats)
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local ports
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if (_GET["clisrv"] == "server") then
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ports = server_ports
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else
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ports = client_ports
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end
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local _ports = {}
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local tot = 0
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for k, v in pairs(ports) do
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_ports[k] = v
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tot = tot + v
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end
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local threshold_percent = 5
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local threshold = (tot * threshold_percent) / 100
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print "[ "
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local min_num = 4
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local num = 0
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local accumulate = 0
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for key, value in pairsByValues(_ports, rev) do
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if value < threshold then
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break
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end
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if (num > 0) then
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print ",\n"
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end
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print("\t { \"label\": \"" .. key .. "\", \"value\": " .. value .. ", \"url\": \"" .. ntop.getHttpPrefix() ..
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"/lua/flows_stats.lua?port=" .. key)
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if host_key then
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print("&host=" .. host_key)
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end
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print("\" }")
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accumulate = accumulate + value
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num = num + 1
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end
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-- In case there is some leftover do print it as "Other"
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if accumulate < tot then
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local other_label = i18n("other")
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local url = hostinfo2detailsurl(host_info, {
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page = "flows"
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})
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if (num > 0) then
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print(",\n")
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else
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if table.len(_ports) > 0 then
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other_label = i18n("num_different_ports", {
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num = format_utils.formatValue(table.len(_ports)),
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threshold = threshold_percent
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})
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end
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end
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print("\t { \"label\": \"" .. other_label .. "\", \"value\": " .. (tot - accumulate) .. ", \"url\": \"" .. url ..
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"\"}")
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end
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if tot == 0 then
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print("\t { \"label\": \"" .. i18n("no_ports") .. "\", \"value\": 0 }")
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end
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print "\n]"
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