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106 lines
2.4 KiB
Lua
106 lines
2.4 KiB
Lua
--
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-- (C) 2013-21 - 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 rest_utils = require("rest_utils")
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local stats_utils = require("stats_utils")
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local graph_utils = require "graph_utils"
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--
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-- Get interface top hosts
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-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1"}' http://localhost:3000/lua/rest/v2/get/interface/top/hosts.lua
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--
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local rc = rest_utils.consts.success.ok
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local res = {}
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local ifid = _GET["ifid"]
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local new_charts = toboolean(_GET["new_charts"])
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if isEmptyString(ifid) then
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rc = rest_utils.consts.err.invalid_interface
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rest_utils.answer(rc)
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return
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end
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interface.select(ifid)
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local hosts_stats = interface.getHostsInfo(false, "column_traffic")
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hosts_stats = hosts_stats["hosts"]
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local tot = 0
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local _hosts_stats = {}
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local top_key = nil
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local top_value = 0
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local num = 0
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for key, value in pairs(hosts_stats) do
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local host_info = hostkey2hostinfo(key);
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local value = hosts_stats[key]["bytes.sent"]+hosts_stats[key]["bytes.rcvd"]
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if(value ~= nil) then
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if(host_info["host"] == "255.255.255.255") then
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key = "Broadcast"
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end
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_hosts_stats[value] = key -- ntop.getResolvedName(key)
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if((top_value < value) or (top_key == nil)) then
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top_key = key
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top_value = value
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end
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tot = tot + value
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end
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end
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-- Print up to this number of entries
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local max_num_entries = 10
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-- Print entries whose value >= 5% of the total
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local threshold = (tot * 5) / 100
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local res = {}
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num = 0
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local accumulate = 0
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for key, value in pairsByKeys(_hosts_stats, rev) do
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if(key < threshold) then
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break
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end
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res[#res+1] = {
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label = value,
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value = key,
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url = ntop.getHttpPrefix().."/lua/host_details.lua?"..hostinfo2url(value)
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}
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accumulate = accumulate + key
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num = num + 1
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if(num == max_num_entries) then
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break
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end
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end
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if((num == 0) and (top_key ~= nil)) then
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res[#res+1] = {
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label = top_key,
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value = top_value,
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url = ntop.getHttpPrefix().."/lua/host_details.lua?"..hostinfo2url(top_key)
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}
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accumulate = accumulate + top_value
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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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res[#res+1] = {
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label = "Other",
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value = (tot-accumulate),
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url = "#"
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}
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end
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local js_formatter = "bytesToSize"
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rest_utils.answer(rc, graph_utils.convert_pie_data(res, new_charts, js_formatter))
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