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116 lines
3 KiB
Lua
116 lines
3 KiB
Lua
--
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-- (C) 2019 - 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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require "lua_utils"
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local json = require("dkjson")
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sendHTTPContentTypeHeader('application/json')
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local pod_filter = _GET["pod"]
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-- ################################################
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local currentPage = _GET["currentPage"]
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local perPage = _GET["perPage"]
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local sortColumn = _GET["sortColumn"]
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local sortOrder = _GET["sortOrder"]
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local sortPrefs = "containers_data"
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-- ################################################
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if isEmptyString(sortColumn) or sortColumn == "column_" then
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sortColumn = getDefaultTableSort(sortPrefs)
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else
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if((sortColumn ~= "column_")
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and (sortColumn ~= "")) then
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tablePreferences("sort_"..sortPrefs, sortColumn)
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end
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end
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if isEmptyString(_GET["sortColumn"]) then
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sortOrder = getDefaultTableSortOrder(sortPrefs, true)
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end
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if((_GET["sortColumn"] ~= "column_")
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and (_GET["sortColumn"] ~= "")) then
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tablePreferences("sort_order_"..sortPrefs, sortOrder, true)
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end
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if(currentPage == nil) then
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currentPage = 1
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else
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currentPage = tonumber(currentPage)
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end
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if(perPage == nil) then
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perPage = getDefaultTableSize()
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else
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perPage = tonumber(perPage)
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tablePreferences("rows_number", perPage)
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end
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local sOrder = ternary(sortOrder == "desc", rev_insensitive, asc_insensitive)
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local to_skip = (currentPage-1) * perPage
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-- ################################################
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local function formatLatency(x)
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if(x < 0.1) then return 0 end
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return string.format("%.1f ms", x)
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end
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local function shortenContainer(c)
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return string.sub(c, 1, 12)
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end
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local totalRows = 0
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local containers = interface.getContainersStats(pod_filter)
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local sort_to_key = {}
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for container_name, container in pairs(containers) do
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sort_to_key[container_name] = container_name
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totalRows = totalRows + 1
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end
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-- ################################################
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local res = {}
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local i = 0
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for key in pairsByValues(sort_to_key, sOrder) do
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if i >= to_skip + perPage then
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break
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end
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if (i >= to_skip) then
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local container = containers[key]
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res[#res + 1] = {
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column_container = '<a href="'.. ntop.getHttpPrefix() ..'/lua/flows_stats.lua?container='..key..'">' .. shortenContainer(key) .. '</a>',
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column_num_flows_as_client = container["num_flows.as_client"],
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column_num_flows_as_server = container["num_flows.as_server"],
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column_avg_rtt_as_client = formatLatency(container["rtt_as_client"]),
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column_avg_rtt_as_server = formatLatency(container["rtt_as_server"]),
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column_avg_rtt_variance_as_client = formatLatency(container["rtt_variance_as_client"]),
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column_avg_rtt_variance_as_server = formatLatency(container["rtt_variance_as_server"]),
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}
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end
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end
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-- ################################################
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local result = {}
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result["perPage"] = perPage
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result["currentPage"] = currentPage
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result["totalRows"] = totalRows
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result["data"] = res
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result["sort"] = {{sortColumn, sortOrder}}
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print(json.encode(result))
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