ntopng/scripts/lua/hosts_ports_analysis.lua

--
-- (C) 2013-24 - ntop.org
--
-- trace_script_duration = true
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path

local if_stats = interface.getStats()
if not ntop.isEnterpriseL() then
    return
end

require "lua_utils"
require "flow_utils"

local page_utils = require("page_utils")
local template = require "template_utils"

sendHTTPContentTypeHeader('text/html')

page_utils.print_header_and_set_active_menu_entry(
    page_utils.menu_entries.server_ports_analysis)

dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")

local draw = _GET["draw"] or 0
local sort = _GET["sort"] or "bytes_rcvd"
local order = _GET["order"] or "asc"
local start = _GET["start"] or 0
local length = _GET["length"] or 10

local page = _GET["page"]

if(isEmptyString(page)) then
    page = "live"
end

local ifId = interface.getId()

local base_url = ntop.getHttpPrefix() .. "/lua/hosts_ports_analysis.lua"


page_utils.print_navbar(i18n('active_ports'), base_url .. "?", {{
    active = page == "live" or page == nil,
    page_name = "live",
    label = i18n("jump_to_table")

},
{
    hidden = only_historical or not ntop.isEnterpriseL(),
    active = page == "flows_sankey",
    page_name = "flows_sankey",
    label = i18n("chart")
}
})

if (page == "live" or page == nil) then
    
    template.render("pages/hosts_ports_analysis.template", {
        ifid = ifId,
        draw = draw,
        sort = sort,
        order = order,
        start = start,
        length = length,
        is_live = true,
        csrf = ntop.getRandomCSRFValue()
    })
else
    local page_utils = require("page_utils")
    local json = require("dkjson")
    local template_utils = require("template_utils")
    local alerts_analysis_utils = require("alerts_analysis_utils")
    local ui_utils = require "ui_utils"

    local widget_gui_utils = require("widget_gui_utils")
    local ifid         = interface.getId()
    local timeframe    = tonumber(_GET["timeframe"])
    local vlan         = tonumber(_GET["vlan"])
    local l4_proto     = _GET["l4proto"]
    local page         = _GET["page"]

    -- print the modes inside the dropdown
    local timeframe_options = {}
    local vlan_options      = {}
    local l4_options        = {}

-- ####################

    local vlans = interface.getVLANsList()
    if(vlans ~= nil) then
    vlan_options[#vlan_options+1] = {
        currently_active = (vlan == 'none' or vlan == nil),
        label = i18n('all'),
        key = 'none',
        id = 'none',
    }

    for _, v in pairs(vlans.VLANs) do
        local name = getFullVlanName(v.vlan_id)

        if isEmptyString(name) then
        name = i18n('no_vlan')
        end
        vlan_options[#vlan_options+1] = {
        currently_active = (tonumber(vlan) == v.vlan_id),
        label = name,
        key = v.vlan_id,
        id = v.vlan_id,
        }
    end
    end

    -- ####################

    if ntop.isClickHouseEnabled() then
    timeframe_options[#timeframe_options+1] = {
        currently_active = (timeframe == 'none' or timeframe == nil),
        label = i18n("active_flows"),
        key = 'none',
        id = 'none'
    }

    for _, v in pairs(alerts_analysis_utils.timeframes_specs) do
        timeframe_options[#timeframe_options+1] = {
        currently_active = (timeframe == v.duration),
        label = i18n("alerts_dashboard."..v.label),
        key = v.duration,
        id = v.duration
        }
    end
    end

    -- ####################

    l4_options = {
    {
        currently_active = (l4_proto == "" or l4_proto == 'none' or l4_proto == nil),
        label = i18n("all_tcp_udp"),
        key = -1,
        id = -1
    } ,
    {
        currently_active = (l4_proto == "TCP" or l4_proto == 'tcp' or l4_proto == 6),
        label = i18n("tcp"),
        key = l4_proto_to_id('TCP'),
        id = l4_proto_to_id('TCP')
    } ,
    {
        currently_active = (l4_proto == "UDP" or l4_proto == 'udp' or l4_proto == 17),
        label = i18n("udp"),
        key = l4_proto_to_id('UDP'),
        id = l4_proto_to_id('UDP')
    } ,
    }

    -- ####################
        
    template_utils.render("pages/sankey_vlan.template", {
    widget_gui_utils = widget_gui_utils,
    ifid = ifid,
    ports_analysis = {
        timeframe_options = json.encode(timeframe_options),
        vlan_options = json.encode(vlan_options),
        l4_proto_options = json.encode(l4_options)
    }
    })

    print(ui_utils.render_notes({
    {content = i18n("ports_analysis.notes")}
    }))
end

dofile(dirs.installdir .. "/scripts/lua/inc/footer.lua")