mirror of
https://github.com/ntop/ntopng.git
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76 lines
2.9 KiB
Lua
76 lines
2.9 KiB
Lua
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--
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-- (C) 2013-16 - ntop.org
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--
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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 json = require ("dkjson")
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-- whether to return host statistics: on by default
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local host_stats = _GET["host_stats"]
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-- whether to return statistics regarding host flows: off by default
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local host_stats_flows = _GET["host_stats_flows"]
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local host_stats_flows_num = _GET["host_stats_flows_num"]
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host_info = url2hostinfo(_GET)
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host = _GET["host"]
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if(host_info["host"] == nil) then
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sendHTTPHeader('text/html; charset=iso-8859-1')
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ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/header.inc")
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dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
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print("<div class=\"alert alert-danger\"><img src=".. ntop.getHttpPrefix() .. "/img/warning.png> Host parameter is missing (internal error ?)</div>")
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return
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end
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interface.select(ifname)
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host = interface.getHostInfo(host_info["host"], host_info["vlan"])
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if(host == nil) then
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sendHTTPHeader('text/html; charset=iso-8859-1')
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ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/header.inc")
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dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
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print("<div class=\"alert alert-danger\"><img src=".. ntop.getHttpPrefix() .. "/img/warning.png> Host ".. host_info["host"] .. " Vlan" ..host_info["vlan"].." cannot be found (expired ?)</div>")
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return
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else
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sendHTTPHeader('application/json')
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local hj = {}
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-- hosts stats are on by default, one must explicitly disable them
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if host_stats == nil or host_stats == "" or host_stats == "true" or host_stats == "1" then
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hj = json.decode(host["json"])
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hj["http"] = host["http"]
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end
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-- host flow stats are off by default and must be explicitly enabled
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if host_stats_flows ~= nil and host_stats_flows ~= "" then
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if host_stats_flows_num == nil or tonumber(host_stats_flows_num) == nil then
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-- default the number of flows returned to 20 ...
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host_stats_flows_num = 20
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else
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-- ... unless otherwise specified
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host_stats_flows_num = tonumber(host_stats_flows_num)
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end
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local total = 0
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local flows = interface.getFlowsInfo(host, nil, "column_bytes", host_stats_flows_num, 0, false)
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flows,total = aggregateFlowsStats(flows)
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for i, fl in ipairs(flows) do
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flows[i] = {
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["srv.ip"] = fl["srv.ip"], ["cli.ip"] = fl["cli.ip"],
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["srv.port"] = fl["srv.port"], ["cli.port"] = fl["cli.port"],
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["proto.ndpi_id"] = fl["proto.ndpi_id"], ["proto.ndpi"] = fl["proto.ndpi"],
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["bytes"] = fl["bytes"],
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["cli2srv.throughput_bps"] = round(fl["throughput_cli2srv_bps"], 2),
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["srv2cli.throughput_bps"] = round(fl["throughput_srv2cli_bps"], 2),
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["cli2srv.throughput_pps"] = round(fl["throughput_cli2srv_pps"], 2),
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["srv2cli.throughput_pps"] = round(fl["throughput_srv2cli_pps"], 2)
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}
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end
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hj["flows"] = flows
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hj["flows_count"] = total
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end
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print(json.encode(hj, nil))
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end
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