mirror of
https://github.com/ntop/ntopng.git
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105 lines
2.3 KiB
Lua
105 lines
2.3 KiB
Lua
--
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-- (C) 2013-20 - 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 ports_array[p] = 0 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().."/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, {page = "flows"})
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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", {num = format_utils.formatValue(table.len(_ports)), threshold = threshold_percent})
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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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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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