mirror of
https://github.com/ntop/ntopng.git
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111 lines
2.9 KiB
Lua
111 lines
2.9 KiB
Lua
--
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-- (C) 2013-18 - 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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local nv_graph_utils
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if ntop.isPro() then
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package.path = dirs.installdir .. "/pro/scripts/lua/modules/?.lua;" .. package.path
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nv_graph_utils = require "nv_graph_utils"
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end
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require "lua_utils"
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require "graph_utils"
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local ts_utils = require("ts_utils")
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local json = require("dkjson")
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local ts_schema = _GET["ts_schema"]
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local query = _GET["ts_query"]
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local tstart = tonumber(_GET["epoch_begin"]) or (os.time() - 3600)
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local tend = tonumber(_GET["epoch_end"]) or os.time()
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local compare_backward = _GET["ts_compare"]
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local tags = tsQueryToTags(_GET["ts_query"])
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local driver = ts_utils.getQueryDriver()
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local latest_tstamp = driver:getLatestTimestamp(tags.ifid or -1)
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local options = {
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max_num_points = tonumber(_GET["limit"]),
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initial_point = toboolean(_GET["initial_point"]),
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no_timeout = _GET["no_timeout"],
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with_series = true,
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}
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-- Check end time bound and realign if necessary
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if tend > latest_tstamp then
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local delta = tend - latest_tstamp
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local alignment = (tend - tstart) / options.max_num_points
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delta = delta + (alignment - delta % alignment)
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tend = math.floor(tend - delta)
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tstart = math.floor(tstart - delta)
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end
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if tags.ifid then
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interface.select(tags.ifid)
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end
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sendHTTPHeader('application/json')
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local function performQuery(tstart, tend, keep_total)
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local res
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if starts(ts_schema, "top:") then
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local ts_schema = split(ts_schema, "top:")[2]
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res = ts_utils.queryTopk(ts_schema, tags, tstart, tend, options)
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else
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res = ts_utils.query(ts_schema, tags, tstart, tend, options)
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if(not keep_total) and (res) and (res.additional_series) then
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-- no need for total serie in normal queries
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res.additional_series.total = nil
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end
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end
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return res
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end
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local res
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if starts(ts_schema, "custom:") and ntop.isPro() then
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res = performCustomQuery(ts_schema, tags, tstart, tend, options)
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compare_backward = nil
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else
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res = performQuery(tstart, tend)
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end
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if res == nil then
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res = {}
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if(ts_utils.getLastError() ~= nil) then
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res["tsLastError"] = ts_utils.getLastError()
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res["error"] = ts_utils.getLastErrorMessage()
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end
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print(json.encode(res))
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return
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end
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if not isEmptyString(compare_backward) and compare_backward ~= "1Y" then
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local backward_sec = getZoomDuration(compare_backward)
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local tstart_cmp = tstart - backward_sec
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local tend_cmp = tend - backward_sec
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local res_cmp = performQuery(tstart_cmp, tend_cmp, true)
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if res_cmp and res_cmp.additional_series and res_cmp.additional_series.total then
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res.additional_series = res.additional_series or {}
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res.additional_series[compare_backward.. " " ..i18n("details.ago")] = res_cmp.additional_series.total
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end
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end
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-- TODO make a script parameter?
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local extend_labels = true
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if extend_labels and ntop.isPro() then
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extendLabels(res)
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end
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print(json.encode(res))
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