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--
-- (C) 2013-22 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
require "network_utils"
local json = require("dkjson")
sendHTTPContentTypeHeader('text/html')
-- Table parameters
local currentPage = _GET["currentPage"]
local perPage = _GET["perPage"]
local sortColumn = _GET["sortColumn"]
local sortOrder = _GET["sortOrder"]
local sortPrefs = "local_network"
if((sortColumn == nil) or (sortColumn == "column_"))then
sortColumn = getDefaultTableSort(sortPrefs)
else
if((sortColumn ~= "column_")
and (sortColumn ~= "")) then
tablePreferences("sort_"..sortPrefs,sortColumn)
end
end
if(sortOrder == nil) then
sortOrder = getDefaultTableSortOrder(sortPrefs)
else
if((sortColumn ~= "column_")
and (sortColumn ~= "")) then
tablePreferences("sort_order_"..sortPrefs,sortOrder)
end
end
if(currentPage == nil) then
currentPage = 1
else
currentPage = tonumber(currentPage)
end
if(perPage == nil) then
perPage = getDefaultTableSize()
else
perPage = tonumber(perPage)
tablePreferences("rows_number", perPage)
end
local to_skip = (currentPage-1) * perPage
if(sortOrder == "desc") then sOrder = false else sOrder = true end
local networks_stats = interface.getNetworksStats()
local total_rows = 0
local sort_helper = {}
for n, ns in pairs(networks_stats) do
total_rows = total_rows + 1
if sortColumn == "column_hosts" then
sort_helper[n] = ns["num_hosts"]
elseif sortColumn == "column_thpt" then
sort_helper[n] = ns["throughput_bps"]
elseif sortColumn == "column_traffic" then
sort_helper[n] = ns["bytes.sent"] + ns["bytes.rcvd"]
else
sort_helper[n] = getLocalNetworkAlias(ns["network_key"])
end
end
local res_formatted = {}
local cur_row = 0
local tot_row_in_page = 0
for n, _ in pairsByValues(sort_helper, ternary(sOrder, asc, rev)) do
cur_row = cur_row + 1
if cur_row <= to_skip then
goto continue
end
local record = network2record(interface.getId(), networks_stats[n])
res_formatted[#res_formatted + 1] = record
tot_row_in_page = tot_row_in_page + 1
if tot_row_in_page >= perPage then
break
end
::continue::
end
local result = {}
result["perPage"] = perPage
result["currentPage"] = currentPage
result["totalRows"] = total_rows
result["data"] = res_formatted
result["sort"] = {{sortColumn, sortOrder}}
print(json.encode(result, nil))
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