mirror of
https://github.com/ntop/ntopng.git
synced 2026-04-29 23:49:33 +00:00
133 lines
3.6 KiB
Lua
133 lines
3.6 KiB
Lua
--
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-- (C) 2016 - 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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sendHTTPHeader('text/html; charset=iso-8859-1')
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-- mandatory parameters: host(as ip), ifid
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local res = {}
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local MIN_STEP = 300
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local name_map = {
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{ "Chat", "Chat and Realtime Communications" },
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{ "RemoteControl", "Remote Access" },
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{ "MailSend", "Email Send" },
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{ "Media", "Media and Streaming" },
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{ "MailSync", "Email Synchronization" },
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{ "FileTransfer", "File Transfer" },
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{ "FileSharing", "File Sharing" },
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{ "SocialNetwork", "Social Networks" },
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{ "Web", "Web Browsing" },
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{ "Game", "Online Gaming" },
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{ "Other", "Other Traffic" }
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}
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function mapRRDname(name)
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for id,_ in ipairs(name_map) do
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local m = name_map[id]
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if(name == m[1]) then
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return(m[2])
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end
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end
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return(name)
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end
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function mapnametoRRD(name)
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for id,_ in ipairs(name_map) do
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local m = name_map[id]
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if(name == m[2]) then
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return(m[1])
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end
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end
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return(name)
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end
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if (_GET["host"] ~= nil and _GET["ifid"] ~= nil and _GET["step"] ~= nil) then
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local host_info = url2hostinfo(_GET)
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local ifId = _GET["ifid"]
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local host = hostinfo2hostkey(host_info)
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local hostbase = dirs.workingdir .. "/" .. ifId .. "/rrd/" .. getPathFromKey(host)
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local activbase = hostbase .. "/activity"
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local actname = mapnametoRRD(_GET["activity"])
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local islive = _GET["step"] and tonumber(_GET["step"]) < MIN_STEP
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local fetchData = false
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local rrd
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if islive then
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if not _GET["activity"] then
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-- mode=list
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interface.select(ifId)
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local activities = interface.getHostActivity(host)
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if activities then
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for key,value in pairs(activities) do
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table.insert(res, mapRRDname(key))
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end
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end
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else
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-- mode=get
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fetchData = true
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end
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else
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if ntop.isdir(activbase) then
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if not _GET["activity"] then
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-- mode=list
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for key,value in pairs(ntop.readdir(activbase)) do
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if string.ends(key, ".rrd") then
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table.insert(res, mapRRDname(string.sub(key, 1, -5)))
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end
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end
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else
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-- mode=get
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rrd = activbase.."/"..actname..".rrd"
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if(ntop.notEmptyFile(rrd)) then
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fetchData = true
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end
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end
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end
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end
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if fetchData then
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res.live = islive
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res.step = (res.live and _GET["step"]) or fstep
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res.up = {}
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res.down = {}
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res.bg = {}
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if islive then
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interface.select(ifId)
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local activity = interface.getHostActivity(host)
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if activity and activity[actname] then
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local data = activity[actname]
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table.insert(res.up, data.up)
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table.insert(res.down, data.down)
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table.insert(res.bg, data.background)
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end
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else
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local start_time = tonumber(_GET["start"])
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local end_time = tonumber(_GET["stop"])
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local cf = _GET["cf"] or "AVERAGE"
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local fstart, fstep, fnames, fdata = ntop.rrd_fetch(rrd, cf, start_time, end_time)
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function getValue(w) if w ~= w then return 0 else return math.max(tonumber(w), 0) end end
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for i, v in ipairs(fdata) do
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table.insert(res.up, getValue(v[1])*fstep)
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table.insert(res.down, getValue(v[2])*fstep)
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table.insert(res.bg, getValue(v[3])*fstep)
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end
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end
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end
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end
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print(json.encode(res, nil))
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