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Refactors eBPF code with ebpf_utils.lua module
This commit is contained in:
Simone Mainardi
parent
004a6cbbc8
commit
ffabf83511
6 changed files with 259 additions and 438 deletions
247
scripts/lua/modules/ebpf_utils.lua
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247
scripts/lua/modules/ebpf_utils.lua
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--
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-- (C) 2017-18 - 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/?/init.lua;" .. package.path
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local ntop_info = ntop.getInfo()
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local os_utils = require "os_utils"
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local ebpf_utils = {}
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function ebpf_utils.draw_processes_graph(host)
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end
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function ebpf_utils.draw_ndpi_piecharts(ifstats, url, host_info, uid, pid)
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local refresh_rate
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local have_nedge = ntop.isnEdge()
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if have_nedge then
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refresh_rate = 5
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else
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refresh_rate = getInterfaceRefreshRate(ifstats["id"])
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end
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print [[
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<table class="table table-bordered table-striped">
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<tr>
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<th class="text-left" colspan=2>]] print(i18n("ndpi_page.overview", {what = i18n("ndpi_page.application_protocol")})) print[[</th>
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<td>
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<div class="pie-chart" id="topApplicationProtocols"></div>
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</td>
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<td colspan=2>
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<div class="pie-chart" id="topApplicationBreeds"></div>
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</td>
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</tr>
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<tr>
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<th class="text-left" colspan=2>]] print(i18n("ndpi_page.overview", {what = i18n("ndpi_page.application_protocol_category")})) print[[</th>
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<td colspan=2>
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<div class="pie-chart" id="topApplicationCategories"></div>
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</td>
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</tr>
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</table>
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<script type='text/javascript'>
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var refresh = ]] print(refresh_rate..'') print[[000 /* ms */;
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window.onload=function() {]]
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print[[ do_pie("#topApplicationProtocols", ']]
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print (ntop.getHttpPrefix())
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print [[/lua/]] print(url) print[[', { ebpf_data: "applications" ]]
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if host_info then print(", "..hostinfo2json(host_info)) end
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if uid then print(", uid: "..uid) end
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if pid then print(", pid: "..pid) end
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print [[ }, "", refresh); ]]
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print[[ do_pie("#topApplicationCategories", ']]
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print (ntop.getHttpPrefix())
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print [[/lua/]] print(url) print[[', { ebpf_data: "categories" ]]
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if host_info then print(", "..hostinfo2json(host_info)) end
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if uid then print(", uid: "..uid) end
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if pid then print(", pid: "..pid) end
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print [[ }, "", refresh); ]]
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print[[do_pie("#topApplicationBreeds", ']]
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print (ntop.getHttpPrefix())
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print [[/lua/]] print(url) print[[', { ebpf_data: "breeds" ]]
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if host_info then print(", "..hostinfo2json(host_info)) end
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if uid then print(", uid: "..uid) end
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if pid then print(", pid: "..pid) end
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print [[ }, "", refresh);]]
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print[[
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}
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</script>
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]]
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end
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function ebpf_utils.draw_flows_datatable(ifstats, host_info, uid, pid)
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print [[
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<div id="table-flows"></div>
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<script>
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var url_update = "]]
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print (ntop.getHttpPrefix())
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print [[/lua/get_flows_data.lua?]]
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print(table.tconcat({uid = uid, pid = pid, host = hostinfo2hostkey(host_info)}, "=", "&"))
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print ('";')
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ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/flows_stats_id.inc")
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local show_vlan
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if ifstats.vlan then show_vlan = true else show_vlan = false end
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-- Set the host table option
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if show_vlan then print ('flow_rows_option["vlan"] = true;\n') end
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local active_flows_msg = i18n("flows_page.active_flows",{filter=""})
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if not interface.isPacketInterface() then
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active_flows_msg = i18n("flows_page.recently_active_flows",{filter=""})
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elseif interface.isPcapDumpInterface() then
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active_flows_msg = i18n("flows")
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end
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local dt_buttons = ''
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-- TODO: add application filter, etc.
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dt_buttons = "["..dt_buttons.."]"
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print [[
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flow_rows_option["type"] = 'host';
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$("#table-flows").datatable({
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url: url_update,
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buttons: ]] print(dt_buttons) print[[,
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rowCallback: function ( row ) { return flow_table_setID(row); },
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tableCallback: function() { $("#dt-bottom-details > .pull-left > p").first().append('. ]]
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print(i18n('flows_page.idle_flows_not_listed'))
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print[['); },
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showPagination: true,
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]]
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print('title: "'..active_flows_msg..'",')
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-- Set the preference table
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local preference = tablePreferences("rows_number", _GET["perPage"])
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if preference ~= "" then
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print ('perPage: '..preference.. ",\n")
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end
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print ('sort: [ ["' .. getDefaultTableSort("flows") ..'","' .. getDefaultTableSortOrder("flows").. '"] ],\n')
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print [[
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columns: [
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{
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title: "Key",
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field: "key",
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hidden: true
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},
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{
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title: "",
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field: "column_key",
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css: {
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textAlign: 'center'
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}
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},
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{
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title: "]] print(i18n("application")) print[[",
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field: "column_ndpi",
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sortable: true,
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css: {
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textAlign: 'center'
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}
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},
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{
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title: "]] print(i18n("flows_page.l4_proto")) print[[",
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field: "column_proto_l4",
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sortable: true,
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css: {
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textAlign: 'center'
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}
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},]]
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if show_vlan then
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if ifstats.vlan then
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print('{ title: "'..i18n("vlan")..'",\n')
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end
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print [[
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field: "column_vlan",
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sortable: true,
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css: {
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textAlign: 'center'
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}
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},
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]]
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end
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print [[
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{
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title: "]] print(i18n("client")) print[[",
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field: "column_client",
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sortable: true,
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},
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{
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title: "]] print(i18n("server")) print[[",
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field: "column_server",
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sortable: true,
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},
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{
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title: "]] print(i18n("duration")) print[[",
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field: "column_duration",
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sortable: true,
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css: {
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textAlign: 'center'
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}
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},
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{
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title: "]] print(i18n("breakdown")) print[[",
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field: "column_breakdown",
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sortable: true,
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css: {
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textAlign: 'center'
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}
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},
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{
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title: "]] print(i18n("flows_page.actual_throughput")) print[[",
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field: "column_thpt",
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sortable: true,
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css: {
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textAlign: 'right'
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}
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},
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{
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title: "]] print(i18n("flows_page.total_bytes")) print[[",
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field: "column_bytes",
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sortable: true,
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css: {
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textAlign: 'right'
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}
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}
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,{
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title: "]] print(i18n("info")) print[[",
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field: "column_info",
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sortable: true,
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css: {
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textAlign: 'left'
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}
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}
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]
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});
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]]
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if ntop.isnEdge() then
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printBlockFlowJs()
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end
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print[[
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</script>
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]]
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end
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return ebpf_utils
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