mirror of
https://github.com/ntop/ntopng.git
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8f87f11b26
Uses ajax to handle (possibly) long queries on historical data with the aim of improving user experience. The user is notified when a query is taking too long so that he/she can get feedback of what is going on.
64 lines
1.9 KiB
Lua
64 lines
1.9 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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require "db_utils"
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local json = require ("dkjson")
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local ifId = _GET["ifId"]
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local ip_version = _GET["version"]
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local host = _GET["host"]
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local epoch_end = tonumber(_GET["epoch_end"] or os.time())
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local epoch_begin = tonumber(_GET["epoch_begin"] or epoch_end - 3600)
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local l4proto = _GET["l4proto"]
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local l7proto = _GET["l7proto"]
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local profile = _GET["profile"]
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local port = _GET["port"]
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local info = _GET["info"]
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local limit = _GET["limit"]
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local format = _GET["format"]
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local action = _GET["action"]
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if ip_version == nil then ip_version = "4" end
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ip_version = tonumber(ip_version)
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if epoch_begin> epoch_end then
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local tmp = epoch_end
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epoch_end = epoch_begin
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epoch_being = epoch_end
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end
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local timediff = epoch_end - epoch_begin + 1
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local totals = { ["count"] = {}, ["timespan"] = timediff, ["status"] = "ok" }
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local versions = { [4] = 'IPv4', [6] = 'IPv6' }
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headerShown = false
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-- os.execute("sleep 30") -- this is to test slow responses
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for k,v in pairs(versions) do
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local res = getNumFlows(_GET["ifId"], k, _GET["host"], _GET["l4proto"], _GET["port"], _GET["protocol"], _GET["info"], _GET["epoch_begin"], _GET["epoch_end"])
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if res == nil or res[1] == nil then
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totals["status"] = "error"
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totals["statusText"] = "Empty query response (database down or query killed/timed out?)"
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goto continue
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end
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res = res[1] -- only one row is present in the result that contains the aggregate counters
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totals["count"][v] = {
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["tot_flows"] = tonumber(res["TOT_FLOWS"]) or 0,
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["tot_bytes"] = tonumber(res["TOT_BYTES"]) or 0,
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["tot_packets"] = tonumber(res["TOT_PACKETS"]) or 0
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}
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::continue::
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end
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sendHTTPHeader('application/json')
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print(json.encode(totals, nil))
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