mirror of
https://github.com/ntop/ntopng.git
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86 lines
3.2 KiB
Lua
86 lines
3.2 KiB
Lua
--
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-- (C) 2013-23 - 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 rest_utils = require("rest_utils")
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local ts_utils = require("ts_utils")
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--
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-- Read list of active hosts
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-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1", "host": "192.168.1.1", "vlan": "1"}' http://localhost:3000/lua/rest/v2/get/host/active.lua
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--
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-- NOTE: in case of invalid login, no error is returned but redirected to login
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--
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local rc = rest_utils.consts.success.ok
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local rsp = {}
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local ifid = _GET["ifid"] or interface.getId()
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local host_data = hostkey2hostinfo(_GET["host"]) -- In case host@vlan is given, create a table with host and vlan data
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local host_ip = host_data.host
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local host_vlan = _GET["vlan"] or host_data.vlan -- Put the correct vlan
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local available_ts = ts_utils.listSeries("host:l4protos", table.clone({ ifid = ifid, host = host_ip, vlan = host_vlan }), os.time() - 1800 --[[ 30 min is the default time ]])
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local host = interface.getHostInfo(host_ip, host_vlan)
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if host then
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local total = 0
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local proto_info = {}
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local timeseries_not_available = (host["localhost"] == false or host["is_multicast"] == true or host["is_broadcast"] == true)
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-- Calculate total bytes
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for id, _ in ipairs(l4_keys) do
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local k = l4_keys[id][2]
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total = total + (host[k..".bytes.sent"] or 0) + (host[k..".bytes.rcvd"] or 0)
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end
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-- Getting l4 protocols info
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for id, _ in ipairs(l4_keys) do
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local k = l4_keys[id][2]
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if host[k..".bytes.sent"] or host[k..".bytes.rcvd"] then
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local proto_stats = {}
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if host[k..".bytes.sent"] then
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proto_stats["bytes_sent"] = host[k..".bytes.sent"] or 0
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end
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if host[k..".bytes.rcvd"] then
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proto_stats["bytes_rcvd"] = host[k..".bytes.rcvd"] or 0
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end
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proto_stats["protocol"] = l4_keys[id][1] or "" .. " " .. historicalProtoHostHref(ifid, host_ip, l4_keys[id][1], nil, nil, host_vlan, true) or ""
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proto_stats["total_bytes"] = (proto_stats["bytes_sent"] or 0) + (proto_stats["bytes_rcvd"] or 0)
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proto_stats["total_percentage"] = round((proto_stats["total_bytes"] * 100) / total, 2)
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if(areHostTimeseriesEnabled(ifId) and ntop.getPref("ntopng.prefs.hosts_ts_creation") == "full") and not timeseries_not_available then -- Check if the host timeseries are enabled
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local host_label = host_ip
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if tonumber(host_vlan) ~= 0 then
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host_label = host_label .. "@" .. host_vlan
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end
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if available_ts and table.len(available_ts) > 0 then
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for _, timeseries_info in pairs(available_ts or {}) do
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if timeseries_info.l4proto == string.lower(l4_keys[id][1]) then
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proto_stats["historical"] = hostinfo2detailshref(host, {page = "historical", ts_schema = "top:host:l4protos", ts_query = "ifid:" .. ifid .. ",host:" .. host_label .. ",l4proto:" .. k, zoom = '1d'}, '<i class="fas fa-chart-area"></i>')
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end
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end
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end
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end
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if proto_stats["total_bytes"] > 0 then
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-- Add the stats only if greater then 0
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proto_info[#proto_info + 1] = proto_stats
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end
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end
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end
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if table.len(proto_info) > 0 then
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rsp = proto_info
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end
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end
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rest_utils.answer(rc, rsp)
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