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https://github.com/ntop/ntopng.git
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498 lines
20 KiB
Lua
498 lines
20 KiB
Lua
require "lua_utils"
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require "graph_utils"
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require "alert_utils"
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local host_pools_utils = require "host_pools_utils"
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local callback_utils = require "callback_utils"
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local ts_utils = require "ts_utils_core"
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local format_utils = require "format_utils"
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require "ts_5min"
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local ts_custom
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if ntop.exists(dirs.installdir .. "/scripts/lua/modules/timeseries/custom/ts_5min_custom.lua") then
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package.path = dirs.installdir .. "/scripts/lua/modules/timeseries/custom/?.lua;" .. package.path
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ts_custom = require "ts_5min_custom"
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end
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local dirs = ntop.getDirs()
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local ts_dump = {}
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-- ########################################################
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function ts_dump.l2_device_update_categories_rrds(when, devicename, device, ifstats, verbose)
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-- nDPI Protocol CATEGORIES
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for k, cat in pairs(device["ndpi_categories"] or {}) do
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ts_utils.append("mac:ndpi_categories", {ifid=ifstats.id, mac=devicename, category=k,
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bytes=cat["bytes"]}, when, verbose)
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end
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end
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function ts_dump.l2_device_update_stats_rrds(when, devicename, device, ifstats, verbose)
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ts_utils.append("mac:traffic", {ifid=ifstats.id, mac=devicename,
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bytes_sent=device["bytes.sent"], bytes_rcvd=device["bytes.rcvd"]}, when, verbose)
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ts_utils.append("mac:arp_rqst_sent_rcvd_rpls", {ifid=ifstats.id, mac=devicename,
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request_packets_sent = device["arp_requests.sent"],
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reply_packets_rcvd = device["arp_replies.rcvd"]},
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when,verbose)
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end
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-- ########################################################
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function ts_dump.asn_update_rrds(when, ifstats, verbose)
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local asn_info = interface.getASesInfo({detailsLevel = "higher"})
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for _, asn_stats in pairs(asn_info["ASes"]) do
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local asn = asn_stats["asn"]
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-- Save ASN bytes
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ts_utils.append("asn:traffic", {ifid=ifstats.id, asn=asn,
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bytes_sent=asn_stats["bytes.sent"], bytes_rcvd=asn_stats["bytes.rcvd"]}, when)
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-- Save ASN ndpi stats
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if asn_stats["ndpi"] ~= nil then
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for proto_name, proto_stats in pairs(asn_stats["ndpi"]) do
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ts_utils.append("asn:ndpi", {ifid=ifstats.id, asn=asn, protocol=proto_name,
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bytes_sent=proto_stats["bytes.sent"], bytes_rcvd=proto_stats["bytes.rcvd"]}, when, verbose)
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end
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end
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-- Save ASN RTT stats
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ts_utils.append("asn:rtt",
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{ifid=ifstats.id, asn=asn,
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millis_rtt=asn_stats["round_trip_time"]}, when, verbose)
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-- Save ASN TCP stats
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ts_utils.append("asn:tcp_retransmissions",
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{ifid=ifstats.id, asn=asn,
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packets_sent=asn_stats["tcpPacketStats.sent"]["retransmissions"],
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packets_rcvd=asn_stats["tcpPacketStats.rcvd"]["retransmissions"]}, when, verbose)
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ts_utils.append("asn:tcp_out_of_order",
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{ifid=ifstats.id, asn=asn,
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packets_sent=asn_stats["tcpPacketStats.sent"]["out_of_order"],
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packets_rcvd=asn_stats["tcpPacketStats.rcvd"]["out_of_order"]}, when, verbose)
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ts_utils.append("asn:tcp_lost",
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{ifid=ifstats.id, asn=asn,
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packets_sent=asn_stats["tcpPacketStats.sent"]["lost"],
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packets_rcvd=asn_stats["tcpPacketStats.rcvd"]["lost"]}, when, verbose)
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ts_utils.append("asn:tcp_keep_alive",
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{ifid=ifstats.id, asn=asn,
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packets_sent=asn_stats["tcpPacketStats.sent"]["keep_alive"],
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packets_rcvd=asn_stats["tcpPacketStats.rcvd"]["keep_alive"]}, when, verbose)
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end
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end
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-- ########################################################
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function ts_dump.country_update_rrds(when, ifstats, verbose)
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local countries_info = interface.getCountriesInfo({detailsLevel = "higher", sortColumn = "column_country"})
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for _, country_stats in pairs(countries_info["Countries"] or {}) do
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local country = country_stats.country
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ts_utils.append("country:traffic", {ifid=ifstats.id, country=country,
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bytes_ingress=country_stats["ingress"], bytes_egress=country_stats["egress"],
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bytes_inner=country_stats["inner"]}, when, verbose)
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end
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end
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-- ########################################################
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function ts_dump.vlan_update_rrds(when, ifstats, verbose)
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local vlan_info = interface.getVLANsInfo()
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if(vlan_info ~= nil) and (vlan_info["VLANs"] ~= nil) then
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for _, vlan_stats in pairs(vlan_info["VLANs"]) do
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local vlan_id = vlan_stats["vlan_id"]
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ts_utils.append("vlan:traffic", {ifid=ifstats.id, vlan=vlan_id,
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bytes_sent=vlan_stats["bytes.sent"], bytes_rcvd=vlan_stats["bytes.rcvd"]}, when, verbose)
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-- Save VLAN ndpi stats
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if vlan_stats["ndpi"] ~= nil then
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for proto_name, proto_stats in pairs(vlan_stats["ndpi"]) do
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ts_utils.append("vlan:ndpi", {ifid=ifstats.id, vlan=vlan_id, protocol=proto_name,
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bytes_sent=proto_stats["bytes.sent"], bytes_rcvd=proto_stats["bytes.rcvd"]}, when, verbose)
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end
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end
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end
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end
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end
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-- ########################################################
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function ts_dump.sflow_device_update_rrds(when, ifstats, verbose)
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local flowdevs = interface.getSFlowDevices()
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for flow_device_ip,_ in pairs(flowdevs) do
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local ports = interface.getSFlowDeviceInfo(flow_device_ip)
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if(verbose) then
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print ("["..__FILE__()..":"..__LINE__().."] Processing sFlow device "..flow_device_ip.."\n")
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end
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for port_idx,port_value in pairs(ports) do
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if ifstats.has_seen_ebpf_events then
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-- This is actualy an event exporter
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local dev_ifname = format_utils.formatExporterInterface(port_idx, port_value)
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ts_utils.append("evexporter_iface:traffic", {ifid=ifstats.id, exporter=flow_device_ip, ifname=dev_ifname,
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bytes_sent=port_value.ifOutOctets, bytes_rcvd=port_value.ifInOctets}, when, verbose)
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else
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ts_utils.append("sflowdev_port:traffic", {ifid=ifstats.id, device=flow_device_ip, port=port_idx,
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bytes_sent=port_value.ifOutOctets, bytes_rcvd=port_value.ifInOctets}, when, verbose)
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end
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end
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end
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end
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-- ########################################################
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function ts_dump.flow_device_update_rrds(when, ifstats, verbose)
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local flowdevs = interface.getFlowDevices() -- Flow, not sFlow here
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for flow_device_ip,_ in pairs(flowdevs) do
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local ports = interface.getFlowDeviceInfo(flow_device_ip)
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if(verbose) then print ("["..__FILE__()..":"..__LINE__().."] Processing flow device "..flow_device_ip.."\n") end
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for port_idx,port_value in pairs(ports) do
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ts_utils.append("flowdev_port:traffic", {ifid=ifstats.id, device=flow_device_ip, port=port_idx,
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bytes_sent=port_value["bytes.out_bytes"], bytes_rcvd=port_value["bytes.in_bytes"]}, when, verbose)
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end
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end
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end
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-- ########################################################
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function ts_dump.getConfig()
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local config = {}
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config.host_rrd_creation = ntop.getPref("ntopng.prefs.host_rrd_creation")
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config.host_ndpi_timeseries_creation = ntop.getPref("ntopng.prefs.host_ndpi_timeseries_creation")
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config.l2_device_rrd_creation = ntop.getPref("ntopng.prefs.l2_device_rrd_creation")
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config.l2_device_ndpi_timeseries_creation = ntop.getPref("ntopng.prefs.l2_device_ndpi_timeseries_creation")
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config.flow_devices_rrd_creation = ntop.getPref("ntopng.prefs.flow_device_port_rrd_creation")
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config.host_pools_rrd_creation = ntop.getPref("ntopng.prefs.host_pools_rrd_creation")
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config.snmp_devices_rrd_creation = ntop.getPref("ntopng.prefs.snmp_devices_rrd_creation")
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config.asn_rrd_creation = ntop.getPref("ntopng.prefs.asn_rrd_creation")
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config.country_rrd_creation = ntop.getPref("ntopng.prefs.country_rrd_creation")
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config.vlan_rrd_creation = ntop.getPref("ntopng.prefs.vlan_rrd_creation")
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config.tcp_retr_ooo_lost_rrd_creation = ntop.getPref("ntopng.prefs.tcp_retr_ooo_lost_rrd_creation")
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-- ########################################################
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-- Populate some defaults
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if(tostring(config.flow_devices_rrd_creation) == "1" and ntop.isEnterprise() == false) then
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config.flow_devices_rrd_creation = "0"
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end
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if(tostring(config.snmp_devices_rrd_creation) == "1" and ntop.isEnterprise() == false) then
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config.snmp_devices_rrd_creation = "0"
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end
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-- Local hosts RRD creation is on, with no nDPI rrd creation
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if isEmptyString(config.host_rrd_creation) then config.host_rrd_creation = "1" end
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if isEmptyString(config.host_ndpi_timeseries_creation) then config.host_ndpi_timeseries_creation = "none" end
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-- Devices RRD creation is OFF, as OFF is the nDPI rrd creation
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if isEmptyString(config.l2_device_rrd_creation) then config.l2_device_rrd_creation = "0" end
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if isEmptyString(config.l2_device_ndpi_timeseries_creation) then config.l2_device_ndpi_timeseries_creation = "none" end
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return config
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end
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-- ########################################################
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function ts_dump.host_update_stats_rrds(when, hostname, host, ifstats, verbose)
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ts_utils.append("host:traffic", {ifid=ifstats.id, host=hostname,
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bytes_sent=host["bytes.sent"], bytes_rcvd=host["bytes.rcvd"]}, when, verbose)
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-- Number of flows
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ts_utils.append("host:active_flows", {ifid=ifstats.id, host=hostname,
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flows_as_client = host["active_flows.as_client"],
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flows_as_server = host["active_flows.as_server"]},
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when, verbose)
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ts_utils.append("host:total_flows", {ifid=ifstats.id, host=hostname,
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flows_as_client = host["total_flows.as_client"],
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flows_as_server = host["total_flows.as_server"]},
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when, verbose)
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-- Number of anomalous flows
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ts_utils.append("host:anomalous_flows", {ifid = ifstats.id, host = hostname,
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flows_as_client = host["anomalous_flows.as_client"],
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flows_as_server = host["anomalous_flows.as_server"]},
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when, verbose)
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-- Number of unreachable flows
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ts_utils.append("host:unreachable_flows", {ifid = ifstats.id, host = hostname,
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flows_as_client = host["unreachable_flows.as_client"],
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flows_as_server = host["unreachable_flows.as_server"]},
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when, verbose)
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-- Number of host unreachable flows
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ts_utils.append("host:host_unreachable_flows", {ifid = ifstats.id, host = hostname,
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flows_as_server = host["host_unreachable_flows.as_server"],
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flows_as_client = host["host_unreachable_flows.as_client"]},
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when, verbose)
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-- Number of dns packets sent
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ts_utils.append("host:dns_qry_sent_rsp_rcvd", {ifid = ifstats.id, host = hostname,
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queries_packets = host["dns"]["sent"]["num_queries"],
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replies_ok_packets = host["dns"]["rcvd"]["num_replies_ok"],
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replies_error_packets =host["dns"]["rcvd"]["num_replies_error"]},
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when, verbose)
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if (host["ICMPv4"] ~= nil) then
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if (host["ICMPv4"]["0,0"] ~= nil) then
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--Number of ICMP ECHO reply packets
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ts_utils.append("host:echo_reply_packets", {ifid = ifstats.id, host = hostname,
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packets_sent = host["ICMPv4"]["0,0"]["sent"],
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packets_rcvd = host["ICMPv4"]["0,0"]["rcvd"]},
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when, verbose)
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end
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if (host["ICMPv4"]["8,0"] ~= nil) then
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--Number of ICMP ECHO request packets
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ts_utils.append("host:echo_packets", {ifid = ifstats.id, host = hostname,
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packets_sent = host["ICMPv4"]["8,0"]["sent"],
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packets_rcvd = host["ICMPv4"]["8,0"]["rcvd"]},
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when, verbose)
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end
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end
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-- Number of dns packets rcvd
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ts_utils.append("host:dns_qry_rcvd_rsp_sent", {ifid = ifstats.id, host = hostname,
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queries_packets = host["dns"]["rcvd"]["num_queries"],
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replies_ok_packets = host["dns"]["sent"]["num_replies_ok"],
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replies_error_packets = host["dns"]["sent"]["num_replies_error"]},
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when, verbose)
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-- Number of udp packets
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ts_utils.append("host:udp_pkts", {ifid = ifstats.id, host = hostname,
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packets_sent = host["udp.packets.sent"],
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packets_rcvd = host["udp.packets.rcvd"]},
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when, verbose)
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-- Tcp Stats
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ts_utils.append("host:tcp_stats", {ifid = ifstats.id, host = hostname,
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retransmission_packets = host["tcpPacketStats.sent"]["retransmissions"] + host["tcpPacketStats.rcvd"]["retransmissions"],
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out_of_order_packets = host["tcpPacketStats.sent"]["out_of_order"] + host["tcpPacketStats.rcvd"]["out_of_order"],
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lost_packets = host["tcpPacketStats.sent"]["lost"] + host["tcpPacketStats.rcvd"]["lost"]},
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when, verbose)
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-- Number of TCP packets
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ts_utils.append("host:tcp_packets", {ifid = ifstats.id, host = hostname,
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packets_sent = host["tcp.packets.sent"],
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packets_rcvd = host["tcp.packets.rcvd"]},
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when, verbose)
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-- Total number of alerts
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ts_utils.append("host:total_alerts", {ifid = ifstats.id, host = hostname,
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alerts = host["total_alerts"]},
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when, verbose)
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-- Contacts
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ts_utils.append("host:contacts", {ifid=ifstats.id, host=hostname,
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num_as_client=host["contacts.as_client"], num_as_server=host["contacts.as_server"]}, when, verbose)
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-- L4 Protocols
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for id, _ in pairs(l4_keys) do
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k = l4_keys[id][2]
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if((host[k..".bytes.sent"] ~= nil) and (host[k..".bytes.rcvd"] ~= nil)) then
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ts_utils.append("host:l4protos", {ifid=ifstats.id, host=hostname,
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l4proto=tostring(k), bytes_sent=host[k..".bytes.sent"], bytes_rcvd=host[k..".bytes.rcvd"]}, when, verbose)
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else
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-- L2 host
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--io.write("Discarding "..k.."@"..hostname.."\n")
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end
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end
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-- UDP breakdown
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ts_utils.append("host:udp_sent_unicast", {ifid=ifstats.id, host=hostname,
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bytes_sent_unicast=host["udpBytesSent.unicast"],
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bytes_sent_non_unicast=host["udpBytesSent.non_unicast"]}, when, verbose)
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-- create custom rrds
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if ts_custom and ts_custom.host_update_stats then
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ts_custom.host_update_stats(when, hostname, host, ifstats, verbose)
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end
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end
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function ts_dump.host_update_ndpi_rrds(when, hostname, host, ifstats, verbose)
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-- nDPI Protocols
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for k, value in pairs(host["ndpi"] or {}) do
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local sep = string.find(value, "|")
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local bytes_sent = string.sub(value, 1, sep-1)
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local bytes_rcvd = string.sub(value, sep+1)
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ts_utils.append("host:ndpi", {ifid=ifstats.id, host=hostname, protocol=k,
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bytes_sent=bytes_sent, bytes_rcvd=bytes_rcvd}, when, verbose)
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end
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end
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function ts_dump.host_update_categories_rrds(when, hostname, host, ifstats, verbose)
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-- nDPI Protocol CATEGORIES
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for k, value in pairs(host["ndpi_categories"] or {}) do
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local sep = string.find(value, "|")
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local bytes_sent = string.sub(value, 1, sep-1)
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local bytes_rcvd = string.sub(value, sep+1)
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ts_utils.append("host:ndpi_categories", {ifid=ifstats.id, host=hostname, category=k,
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bytes_sent=bytes_sent, bytes_rcvd=bytes_rcvd}, when, verbose)
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end
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end
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-- ########################################################
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function ts_dump.host_update_rrd(when, hostname, host, ifstats, verbose, config)
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-- Crunch additional stats for local hosts only
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if config.host_rrd_creation ~= "0" then
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-- Traffic stats
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if(config.host_rrd_creation == "1") then
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ts_dump.host_update_stats_rrds(when, hostname, host, ifstats, verbose)
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end
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if(config.host_ndpi_timeseries_creation == "per_protocol" or config.host_ndpi_timeseries_creation == "both") then
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ts_dump.host_update_ndpi_rrds(when, hostname, host, ifstats, verbose)
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end
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if(config.host_ndpi_timeseries_creation == "per_category" or config.host_ndpi_timeseries_creation == "both") then
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ts_dump.host_update_categories_rrds(when, hostname, host, ifstats, verbose)
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end
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end
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end
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-- ########################################################
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function ts_dump.run_5min_dump(_ifname, ifstats, config, when, time_threshold, skip_ts, skip_alerts, verbose)
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local working_status = nil
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local is_rrd_creation_enabled = (not skip_ts) and (ntop.getPref("ntopng.prefs.ifid_"..ifstats.id..".interface_rrd_creation") ~= "false")
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local are_alerts_enabled = (not skip_alerts) and mustScanAlerts(ifstats)
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local num_processed_hosts = 0
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local min_instant = when - (when % 60) - 60
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-- alerts stuff
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if are_alerts_enabled then
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housekeepingAlertsMakeRoom(getInterfaceId(_ifname))
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working_status = newAlertsWorkingStatus(ifstats, "5mins")
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check_interface_alerts(ifstats.id, working_status)
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check_networks_alerts(ifstats.id, working_status)
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-- will scan the hosts alerts below
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end
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local dump_tstart = os.time()
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local lbd_hosts_dumped = {}
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-- Save hosts stats (if enabled from the preferences)
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if (is_rrd_creation_enabled and (config.host_rrd_creation ~= "0")) or are_alerts_enabled then
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local in_time = callback_utils.foreachLocalRRDHost(_ifname, time_threshold, is_rrd_creation_enabled, function (hostname, host_ts)
|
|
if are_alerts_enabled then
|
|
-- Check alerts first
|
|
check_host_alerts(ifstats.id, working_status, hostname)
|
|
end
|
|
|
|
if is_rrd_creation_enabled then
|
|
local is_lbo_host = (hostname ~= host_ts.tskey)
|
|
local host_key = host_ts.tskey
|
|
|
|
if is_lbo_host then
|
|
if lbd_hosts_dumped[host_key] then
|
|
-- The host was already dumped by its key, use its IP address
|
|
-- as the fallback serialization id
|
|
host_key = hostname
|
|
else
|
|
-- Serialize by using the tskey but remember this key to avoid
|
|
-- multiple hosts to be serialized with same key
|
|
lbd_hosts_dumped[host_key] = true
|
|
end
|
|
end
|
|
|
|
if(host_ts.initial_point ~= nil) then
|
|
-- Dump the first point
|
|
ts_dump.host_update_rrd(host_ts.initial_point_time, host_key, host_ts.initial_point, ifstats, verbose, config)
|
|
end
|
|
|
|
for _, host_point in ipairs(host_ts or {}) do
|
|
local instant = host_point.instant
|
|
|
|
if instant >= min_instant then
|
|
ts_dump.host_update_rrd(instant, host_key, host_point, ifstats, verbose, config)
|
|
end
|
|
end
|
|
end
|
|
|
|
num_processed_hosts = num_processed_hosts + 1
|
|
end)
|
|
|
|
if working_status ~= nil then
|
|
-- NOTE: must always finalize current working_status before returning
|
|
finalizeAlertsWorkingStatus(working_status)
|
|
end
|
|
|
|
if not in_time then
|
|
traceError(TRACE_ERROR, TRACE_CONSOLE, "[".. _ifname .." ]" .. i18n("error_rrd_cannot_complete_dump"))
|
|
return false
|
|
end
|
|
end
|
|
|
|
--tprint("Dump of ".. num_processed_hosts .. " hosts: completed in " .. (os.time() - dump_tstart) .. " seconds")
|
|
|
|
if is_rrd_creation_enabled then
|
|
if config.l2_device_rrd_creation ~= "0" then
|
|
local in_time = callback_utils.foreachDevice(_ifname, time_threshold, function (devicename, device)
|
|
ts_dump.l2_device_update_stats_rrds(when, devicename, device, ifstats, verbose)
|
|
|
|
if config.l2_device_ndpi_timeseries_creation == "per_category" then
|
|
ts_dump.l2_device_update_categories_rrds(when, devicename, device, ifstats, verbose)
|
|
end
|
|
end)
|
|
|
|
if not in_time then
|
|
traceError(TRACE_ERROR, TRACE_CONSOLE, i18n("error_rrd_cannot_complete_dump"))
|
|
return false
|
|
end
|
|
end
|
|
|
|
-- create RRD for ASN
|
|
if config.asn_rrd_creation == "1" then
|
|
ts_dump.asn_update_rrds(when, ifstats, verbose)
|
|
|
|
if config.tcp_retr_ooo_lost_rrd_creation == "1" then
|
|
--[[ TODO: implement for ASes
|
|
--]]
|
|
end
|
|
end
|
|
|
|
-- create RRD for Countries
|
|
if config.country_rrd_creation == "1" then
|
|
ts_dump.country_update_rrds(when, ifstats, verbose)
|
|
end
|
|
|
|
-- Create RRD for vlans
|
|
if config.vlan_rrd_creation == "1" then
|
|
ts_dump.vlan_update_rrds(when, ifstats, verbose)
|
|
|
|
if config.tcp_retr_ooo_lost_rrd_creation == "1" then
|
|
--[[ TODO: implement for VLANs
|
|
--]]
|
|
end
|
|
end
|
|
|
|
-- Create RRDs for flow and sFlow devices
|
|
if(config.flow_devices_rrd_creation == "1" and ntop.isEnterprise()) then
|
|
ts_dump.sflow_device_update_rrds(when, ifstats, verbose)
|
|
ts_dump.flow_device_update_rrds(when, ifstats, verbose)
|
|
end
|
|
|
|
-- Save Host Pools stats every 5 minutes
|
|
if((ntop.isPro()) and (tostring(config.host_pools_rrd_creation) == "1") and (not ifstats.isView)) then
|
|
host_pools_utils.updateRRDs(ifstats.id, true --[[ also dump nDPI data ]], verbose)
|
|
end
|
|
end
|
|
end
|
|
|
|
-- ########################################################
|
|
|
|
return ts_dump
|