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5048f0d9af
A new Paginator class has been implemented. The class is generic in the sense that it accepts lua tables as input in order to cofigure, for exampe, the number of results per page and so on.
108 lines
4 KiB
Lua
108 lines
4 KiB
Lua
--
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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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function flows2protocolthpt(flows)
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local protocol_thpt = {}
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for _, flow in pairs(flows) do
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local proto_ndpi = ""
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if flow["proto.ndpi"] == nil or flow["proto.ndpi"] == "" then
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goto continue
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else
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proto_ndpi = flow["proto.ndpi"]
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end
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if protocol_thpt[proto_ndpi] == nil then
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protocol_thpt[proto_ndpi] =
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{["cli2srv"]={["throughput_bps"]=0, ["throughput_pps"]=0},
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["srv2cli"]={["throughput_bps"]=0, ["throughput_pps"]=0}}
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end
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for _, dir in pairs({"cli2srv", "srv2cli"}) do
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for _, dim in pairs({"bps", "pps"}) do
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protocol_thpt[proto_ndpi][dir]["throughput_"..dim] =
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protocol_thpt[proto_ndpi][dir]["throughput_"..dim] + flow[dir..".throughput_"..dim]
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end
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end
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::continue::
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end
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return protocol_thpt
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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: do not limit the number of flows
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host_stats_flows_num = 99999
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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 paginfo = {["sortColumn"]="column_bytes", ["a2zSortOrder"]=false,
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["maxHits"]=host_stats_flows_num, ["toSkip"]=0, ["detailedResults"]=true}
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--local flows = interface.getFlowsInfo(host_info["host"], nil, "column_bytes", host_stats_flows_num, 0, false)
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local flows = interface.getFlowsInfo(host_info["host"], paginfo)
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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["ndpiThroughputStats"] = flows2protocolthpt(flows)
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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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