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125 lines
3 KiB
Lua
125 lines
3 KiB
Lua
--
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-- (C) 2013-21 - 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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local callback_utils = require "callback_utils"
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sendHTTPHeader('application/json')
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interface.select(ifname)
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local response = {}
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local host_key = _GET["host"] or ""
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local host_info = url2hostinfo(_GET)
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local MAX_HOSTS = 512
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local function is_localizable(host)
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return host and host["ip"] and not host["privatehost"] and not host["is_multicast"] and not host["is_broadcast"] and not isBroadMulticast(host["ip"])
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end
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local function get_max_bytes_from_peers(peers)
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local max = 0
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for key, value in pairs(peers) do
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if (value["bytes"] > max) then
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max = value["bytes"]
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end
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end
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return max
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end
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-- ############################################################
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local function handlePeer(prefix, host_key, value)
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if((value[prefix..".latitude"] ~= 0) or (value[prefix..".longitude"] ~= 0)) then
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-- set up the host informations
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local host = {
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lat = value[prefix..".latitude"],
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lng = value[prefix..".longitude"],
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-- isDrawable = not(value[prefix..".private"]),
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isRoot = (value[prefix..".ip"] == host_key),
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html = getFlag(value[prefix..".country"]),
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name = hostinfo2hostkey(value, prefix)
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}
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if not isEmptyString(value[prefix..".city"]) then
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host["city"] = value[prefix..".city"]
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end
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return(host)
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end
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return(nil)
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end
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-- ##############
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local function show_hosts(hosts_count, host_key)
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local hosts = {}
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local num_hosts = 0
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if((host_key == nil) or (host_key == "")) then
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tprint(getInterfaceName(interface.getId()))
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callback_utils.foreachHost(
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getInterfaceName(interface.getId()),
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function(address, value)
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tprint(address)
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if value["latitude"] ~= 0 or value["longitude"] ~= 0 then
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-- set up the host informations
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local host = {
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lat = value["latitude"],
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lng = value["longitude"],
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isRoot = false,
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html = getFlag(value["country"]),
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name = address
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}
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if not isEmptyString(value["city"]) then
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host["city"] = value["city"]
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end
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table.insert(hosts, host)
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num_hosts = num_hosts + 1
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if num_hosts >= MAX_HOSTS then
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-- Stop the iteration
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return false
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end
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end
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-- Still room, continue the iteration
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return true
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end
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)
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else
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local what = getTopFlowPeers(hostinfo2hostkey(host_info), MAX_HOSTS - hosts_count, nil, {detailsLevel="max"})
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local keys = {}
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for key, value in pairs(what) do
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if(keys[value["cli.ip"]] == nil) then
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local h = handlePeer("cli", host_key, value)
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keys[value["cli.ip"]] = true
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if(h ~= nil) then table.insert(hosts, h) end
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end
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if(keys[value["srv.ip"]] == nil) then
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local h = handlePeer("srv", host_key, value)
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keys[value["srv.ip"]] = true
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if(h ~= nil) then table.insert(hosts, h) end
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end
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end
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end
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return(hosts)
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end
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print(json.encode(show_hosts(table.len(response["hosts"]), host_key)))
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