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https://github.com/ntop/ntopng.git
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Simone Mainardi
parent
1f24dec3e3
commit
b117e8a23a
178 changed files with 6639 additions and 124 deletions
275
scripts/lua/rest/v2/get/interface/data.lua
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275
scripts/lua/rest/v2/get/interface/data.lua
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@ -0,0 +1,275 @@
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--
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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 alert_utils = require "alert_utils"
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local json = require("dkjson")
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local ts_utils = require("ts_utils_core")
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local plugins_utils = require("plugins_utils")
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local periodic_activities_utils = require "periodic_activities_utils"
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local cpu_utils = require("cpu_utils")
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local callback_utils = require("callback_utils")
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local recording_utils = require("recording_utils")
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local alert_consts = require("alert_consts")
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local rest_utils = require("rest_utils")
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local auth = require "auth"
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--
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-- Read information about an interface
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-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1"}' http://localhost:3000/lua/rest/v2/get/interface/data.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 res = {}
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local ifid = _GET["ifid"]
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local iffilter = _GET["iffilter"]
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if isEmptyString(ifid) and isEmptyString(iffilter) then
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rc = rest_utils.consts.err.invalid_interface
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rest_utils.answer(rc)
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return
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end
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local function userHasRestrictions()
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local allowed_nets = ntop.getPref("ntopng.user." .. (_SESSION["user"] or "") .. ".allowed_nets")
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for _, net in pairs(split(allowed_nets, ",")) do
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if not isEmptyString(net) and net ~= "0.0.0.0/0" and net ~= "::/0" then
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return true
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end
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end
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return false
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end
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local function countHosts()
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local res = {
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local_hosts = 0,
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hosts = 0,
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}
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for host, info in callback_utils.getHostsIterator(false --[[no details]]) do
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if info.localhost then
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res.local_hosts = res.local_hosts + 1
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end
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res.hosts = res.hosts + 1
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end
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return res
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end
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function dumpInterfaceStats(ifid)
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local interface_name = getInterfaceName(ifid)
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interface.select(ifid..'')
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local ifstats = interface.getStats()
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local res = {}
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if(ifstats ~= nil) then
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local uptime = ntop.getUptime()
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local prefs = ntop.getPrefs()
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-- Round up
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local hosts_pctg = math.floor(1+((ifstats.stats.hosts*100)/prefs.max_num_hosts))
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local flows_pctg = math.floor(1+((ifstats.stats.flows*100)/prefs.max_num_flows))
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local macs_pctg = math.floor(1+((ifstats.stats.current_macs*100)/prefs.max_num_hosts))
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res["ifid"] = ifid
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res["ifname"] = interface_name
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res["speed"] = getInterfaceSpeed(ifstats.id)
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res["periodic_stats_update_frequency_secs"] = ifstats.periodic_stats_update_frequency_secs
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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 ifstats.stats_since_reset.discarded_probing_packets then
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res["discarded_probing_packets"] = ifstats.stats_since_reset.discarded_probing_packets
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res["discarded_probing_bytes"] = ifstats.stats_since_reset.discarded_probing_bytes
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end
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res["throughput_bps"] = ifstats.stats.throughput_bps;
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res["throughput_pps"] = ifstats.stats.throughput_pps;
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if prefs.is_dump_flows_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 auth.has_capability(auth.capabilities.alerts) then
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res["engaged_alerts"] = ifstats["num_alerts_engaged"] or 0
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res["dropped_alerts"] = ifstats["num_dropped_alerts"] or 0
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res["host_dropped_alerts"] = ifstats["num_host_dropped_alerts"] or 0
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res["flow_dropped_alerts"] = ifstats["num_flow_dropped_alerts"] or 0
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res["other_dropped_alerts"] = ifstats["num_other_dropped_alerts"] or 0
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-- Active flow alerts: total
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res["alerted_flows"] = ifstats["num_alerted_flows"] or 0
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-- Active flow alerts: breakdown
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res["alerted_flows_notice"] = ifstats["num_alerted_flows_notice"] or 0
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res["alerted_flows_warning"] = ifstats["num_alerted_flows_warning"] or 0
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res["alerted_flows_error"] = ifstats["num_alerted_flows_error"] or 0
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end
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if periodic_activities_utils.have_degraded_performance() then
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res["degraded_performance"] = true
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end
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if not userHasRestrictions() then
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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_local_hosts"] = ifstats.stats.local_hosts
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res["num_devices"] = ifstats.stats.devices
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else
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local num_hosts = countHosts()
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res["num_hosts"] = num_hosts.hosts
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res["num_local_hosts"] = num_hosts.local_hosts
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end
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res["epoch"] = os.time()
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res["localtime"] = os.date("%H:%M:%S %z", res["epoch"])
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res["uptime"] = secondsToTime(uptime)
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if ntop.isPro() then
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local product_info = ntop.getInfo(true)
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if product_info["pro.out_of_maintenance"] then
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res["out_of_maintenance"] = true
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end
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end
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res["system_host_stats"] = cpu_utils.systemHostStats()
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res["hosts_pctg"] = hosts_pctg
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res["flows_pctg"] = flows_pctg
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res["macs_pctg"] = macs_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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if isAdministrator() then
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res["num_live_captures"] = ifstats.stats.num_live_captures
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end
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res["local2remote"] = ifstats["localstats"]["bytes"]["local2remote"]
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res["remote2local"] = ifstats["localstats"]["bytes"]["remote2local"]
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res["bytes_upload"] = ifstats["eth"]["egress"]["bytes"]
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res["bytes_download"] = ifstats["eth"]["ingress"]["bytes"]
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res["packets_upload"] = ifstats["eth"]["egress"]["packets"]
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res["packets_download"] = ifstats["eth"]["ingress"]["packets"]
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res["num_local_hosts_anomalies"] = ifstats.anomalies.num_local_hosts_anomalies
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res["num_remote_hosts_anomalies"] = ifstats.anomalies.num_remote_hosts_anomalies
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local ingress_thpt = ifstats["eth"]["ingress"]["throughput"]
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local egress_thpt = ifstats["eth"]["egress"]["throughput"]
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res["throughput"] = {
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download = {
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bps = ingress_thpt["bps"], bps_trend = ingress_thpt["bps_trend"],
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pps = ingress_thpt["pps"], pps_trend = ingress_thpt["pps_trend"]
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},
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upload = {
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bps = egress_thpt["bps"], bps_trend = egress_thpt["bps_trend"],
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pps = egress_thpt["pps"], pps_trend = egress_thpt["pps_trend"]
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},
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}
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if ntop.isnEdge() and ifstats.type == "netfilter" and ifstats.netfilter then
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res["netfilter"] = ifstats.netfilter
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end
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if(ifstats.zmqRecvStats ~= nil) then
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if ifstats.zmqRecvStats_since_reset then
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-- override stats with the values calculated from the latest user reset
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-- for consistency with if_stats.lua
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for k, v in pairs(ifstats.zmqRecvStats_since_reset) do
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ifstats.zmqRecvStats[k] = v
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end
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end
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res["zmqRecvStats"] = {}
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res["zmqRecvStats"]["flows"] = ifstats.zmqRecvStats.flows
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res["zmqRecvStats"]["dropped_flows"] = ifstats.zmqRecvStats.dropped_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_rcvd"] = ifstats.zmqRecvStats.zmq_msg_rcvd
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res["zmqRecvStats"]["zmq_msg_drops"] = ifstats.zmqRecvStats.zmq_msg_drops
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res["zmqRecvStats"]["zmq_avg_msg_flows"] = math.max(1, ifstats.zmqRecvStats.flows / (ifstats.zmqRecvStats.zmq_msg_rcvd + 1))
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res["zmq.num_flow_exports"] = ifstats["zmq.num_flow_exports"] or 0
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res["zmq.num_exporters"] = ifstats["zmq.num_exporters"] or 0
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res["zmq.drops.export_queue_full"] = ifstats["zmq.drops.export_queue_full"] or 0
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res["zmq.drops.flow_collection_drops"] = ifstats["zmq.drops.flow_collection_drops"] or 0
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res["zmq.drops.flow_collection_udp_socket_drops"] = ifstats["zmq.drops.flow_collection_udp_socket_drops"] or 0
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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 interface.isSyslogInterface() then
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res["syslog"] = {}
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res["syslog"]["tot_events"] = ifstats.syslog.tot_events
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res["syslog"]["malformed"] = ifstats.syslog.malformed
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res["syslog"]["dispatched"] = ifstats.syslog.dispatched
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res["syslog"]["unhandled"] = ifstats.syslog.unhandled
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res["syslog"]["alerts"] = ifstats.syslog.alerts
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res["syslog"]["host_correlations"] = ifstats.syslog.host_correlations
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res["syslog"]["flows"] = ifstats.syslog.flows
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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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if recording_utils.isAvailable() then
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if recording_utils.isEnabled(ifstats.id) then
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if recording_utils.isActive(ifstats.id) then
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res["traffic_recording"] = "recording"
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else
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res["traffic_recording"] = "failed"
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end
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end
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if recording_utils.isEnabled(ifstats.id) then
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local jobs_info = recording_utils.extractionJobsInfo(ifstats.id)
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if jobs_info.ready > 0 then
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res["traffic_extraction"] = "ready"
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elseif jobs_info.total > 0 then
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res["traffic_extraction"] = jobs_info.total
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end
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res["traffic_extraction_num_tasks"] = jobs_info.total
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end
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end
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end
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return res
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end
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-- ###############################
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if(iffilter == "all") then
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for cur_ifid, ifname in pairs(interface.getIfNames()) do
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-- ifid in the key must be a string or json.encode will think
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-- its a lua array and will look for integers starting at one
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res[cur_ifid..""] = dumpInterfaceStats(cur_ifid)
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end
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elseif not isEmptyString(iffilter) then
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res = dumpInterfaceStats(iffilter)
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else
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res = dumpInterfaceStats(ifid)
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end
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rest_utils.answer(rc, res)
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