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eca2c41049
Alert counters are now kept in sync only for engaged alerts. Each host will show the current number of engaged alerts. This alleviates the complexity of constantly keep the numbers synchronized with the database. Todo: see how to handle counters for flow alerts and past alerts.
121 lines
4.6 KiB
Lua
121 lines
4.6 KiB
Lua
--
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-- (C) 2013-16 - ntop.org
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--
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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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json = require("dkjson")
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--sendHTTPHeader('text/html; charset=iso-8859-1')
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sendHTTPHeader('application/json')
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function dumpInterfaceStats(interface_name)
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interface.select(interface_name)
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local ifstats = interface.getStats()
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local stats = interface.getFlowsStats()
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local res = {}
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if(ifstats ~= nil) then
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uptime = ntop.getUptime()
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prefs = ntop.getPrefs()
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-- Round up
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hosts_pctg = math.floor(1+((ifstats.stats.hosts*100)/prefs.max_num_hosts))
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flows_pctg = math.floor(1+((ifstats.stats.flows*100)/prefs.max_num_flows))
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res["ifname"] = interface_name
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-- network load is used by web pages that are shown to the user
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-- so we must return statistics since the latest (possible) reset
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res["packets"] = ifstats.stats_since_reset.packets
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res["bytes"] = ifstats.stats_since_reset.bytes
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res["drops"] = ifstats.stats_since_reset.drops
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if prefs.is_dump_flows_to_es_enabled == true
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or prefs.is_dump_flows_to_mysql_enabled == true then
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res["flow_export_drops"] = ifstats.stats_since_reset.flow_export_drops
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res["flow_export_rate"] = ifstats.stats_since_reset.flow_export_rate
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res["flow_export_count"] = ifstats.stats_since_reset.flow_export_count
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end
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if prefs.are_alerts_enabled == true then
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local alert_cache = interface.getCachedNumAlerts()
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res["engaged_alerts"] = alert_cache["num_alerts_engaged"]
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end
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res["num_flows"] = ifstats.stats.flows
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res["num_hosts"] = ifstats.stats.hosts
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res["num_devices"] = ifstats.stats.devices
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res["epoch"] = os.time()
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res["tz_offset"] = get_timezone_offset()
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res["localtime"] = format_time(res["epoch"], "!%H:%M:%S %z", res["tz_offset"])
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res["uptime"] = secondsToTime(uptime)
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res["hosts_pctg"] = hosts_pctg
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res["flows_pctg"] = flows_pctg
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res["remote_pps"] = ifstats.remote_pps
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res["remote_bps"] = ifstats.remote_bps
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res["is_view"] = ifstats.isView
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res["local2remote"] = ifstats["localstats"]["bytes"]["local2remote"]
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res["remote2local"] = ifstats["localstats"]["bytes"]["remote2local"]
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if(ifstats.zmqRecvStats ~= nil) then
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res["zmqRecvStats"] = {}
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res["zmqRecvStats"]["flows"] = ifstats.zmqRecvStats.flows
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res["zmqRecvStats"]["events"] = ifstats.zmqRecvStats.events
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res["zmqRecvStats"]["counters"] = ifstats.zmqRecvStats.counters
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res["zmqRecvStats"]["zmq_msg_drops"] = ifstats.zmqRecvStats.zmq_msg_drops
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end
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res["tcpPacketStats"] = {}
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res["tcpPacketStats"]["retransmissions"] = ifstats.tcpPacketStats.retransmissions
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res["tcpPacketStats"]["out_of_order"] = ifstats.tcpPacketStats.out_of_order
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res["tcpPacketStats"]["lost"] = ifstats.tcpPacketStats.lost
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if(ifstats["bridge.device_a"] ~= nil) then
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res["a_to_b_in_pkts"] = ifstats["bridge.a_to_b.in_pkts"]
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res["a_to_b_in_bytes"] = ifstats["bridge.a_to_b.in_bytes"]
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res["a_to_b_out_pkts"] = ifstats["bridge.a_to_b.out_pkts"]
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res["a_to_b_out_bytes"] = ifstats["bridge.a_to_b.out_bytes"]
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res["a_to_b_filtered_pkts"] = ifstats["bridge.a_to_b.filtered_pkts"]
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res["a_to_b_shaped_pkts"] = ifstats["bridge.a_to_b.shaped_pkts"]
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res["b_to_a_in_pkts"] = ifstats["bridge.b_to_a.in_pkts"]
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res["b_to_a_in_bytes"] = ifstats["bridge.b_to_a.in_bytes"]
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res["b_to_a_out_pkts"] = ifstats["bridge.b_to_a.out_pkts"]
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res["b_to_a_out_bytes"] = ifstats["bridge.b_to_a.out_bytes"]
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res["b_to_a_filtered_pkts"] = ifstats["bridge.b_to_a.filtered_pkts"]
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res["b_to_a_shaped_pkts"] = ifstats["bridge.b_to_a.shaped_pkts"]
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res["a_to_b_num_pkts_send_buffer_full"] = ifstats["bridge.a_to_b.num_pkts_send_buffer_full"]
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res["a_to_b_num_pkts_send_error"] = ifstats["bridge.a_to_b.num_pkts_send_error"]
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res["b_to_a_num_pkts_send_buffer_full"] = ifstats["bridge.b_to_a.num_pkts_send_buffer_full"]
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res["b_to_a_num_pkts_send_error"] = ifstats["bridge.b_to_a.num_pkts_send_error"]
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end
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if(ifstats["profiles"] ~= nil) then
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res["profiles"] = ifstats["profiles"]
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end
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res["breed"] = stats["breeds"]
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end
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return res
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end
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-- ###############################
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local res = {}
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if(_GET["ifname"] == "all") then
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local names = interface.getIfNames()
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local n = 1
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local sortedKeys = getKeysSortedByValue(names, function(a, b) return a < b end)
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for k,v in ipairs(sortedKeys) do
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res[n] = dumpInterfaceStats(names[v])
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n = n + 1
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end
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else
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res = dumpInterfaceStats(ifname)
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end
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print(json.encode(res, nil, 1))
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