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--
-- (C) 2013-16 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
if (ntop.isPro()) then
package.path = dirs.installdir .. "/pro/scripts/callbacks/?.lua;" .. package.path
end
require "lua_utils"
require "alert_utils"
require "graph_utils"
require "top_structure"
when = os.time()
local verbose = ntop.verboseTrace()
-- Scan "minute" alerts
for _, ifname in pairs(interface.getIfNames()) do
scanAlerts("min", ifname)
end
ifnames = interface.getIfNames()
num_ifaces = 0
verbose = false
if((_GET ~= nil) and (_GET["verbose"] ~= nil)) then
verbose = true
end
if(verbose) then
sendHTTPHeader('text/plain')
end
host_rrd_creation = ntop.getCache("ntopng.prefs.host_rrd_creation")
host_ndpi_rrd_creation = ntop.getCache("ntopng.prefs.host_ndpi_rrd_creation")
host_categories_rrd_creation = ntop.getCache("ntopng.prefs.host_categories_rrd_creation")
-- id = 0
for _,_ifname in pairs(ifnames) do
interface.select(_ifname)
ifstats = aggregateInterfaceStats(interface.getStats())
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."]===============================\n["..__FILE__()..":"..__LINE__().."] Processing interface " .. _ifname .. " ["..ifstats.id.."]") end
-- Dump topTalkers every minute
if((ifstats.type ~= "pcap dump") and (ifstats.type ~= "unknown")) then
talkers = makeTopJSON(ifstats.id, _ifname)
if(verbose) then
print("Computed talkers for interfaceId "..ifstats.id.."/"..ifstats.name.."\n")
print(talkers)
end
ntop.insertMinuteSampling(ifstats.id, talkers)
-- TODO secondStats = interface.getLastMinuteTrafficStats()
-- TODO send secondStats to collector
-- Save local subnets stats every minute
basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id..'/subnetstats')
local subnet_stats = interface.getNetworksStats()
for subnet,sstats in pairs(subnet_stats) do
local rrdpath = getPathFromKey(subnet)
rrdpath = fixPath(basedir.. "/" .. rrdpath)
if(not(ntop.exists(rrdpath))) then
ntop.mkdir(rrdpath)
end
rrdpath = fixPath(rrdpath .. "/bytes.rrd")
createTripleRRDcounter(rrdpath, 60, false) -- 60(s) == 1 minute step
ntop.rrd_update(rrdpath, "N:"..tolongint(sstats["ingress"]) .. ":" .. tolongint(sstats["egress"]) .. ":" .. tolongint(sstats["inner"]))
end
-- Save Profile stats every minute
if ntop.isPro() and ifstats.profiles then -- profiles are only available in the Pro version
basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id..'/profilestats')
for pname, ptraffic in pairs(ifstats.profiles) do
local rrdpath = fixPath(basedir.. "/" .. getPathFromKey(trimSpace(pname)))
if(not(ntop.exists(rrdpath))) then
ntop.mkdir(rrdpath)
end
rrdpath = fixPath(rrdpath .. "/bytes.rrd")
createSingleRRDcounter(rrdpath, 60, false) -- 60(s) == 1 minute step
ntop.rrd_update(rrdpath, "N:"..tolongint(ptraffic))
end
end
-- Run RRD update every 5 minutes
-- Use 30 just to avoid rounding issues
diff = when % 300
-- print('\n["..__FILE__()..":"..__LINE__().."] Diff: '..diff..'\n')
if(verbose or (diff < 60)) then
-- Scan "5 minute" alerts
scanAlerts("5mins", _ifname)
basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id .. "/rrd")
for k in pairs(ifstats["ndpi"]) do
v = ifstats["ndpi"][k]["bytes.sent"]+ifstats["ndpi"][k]["bytes.rcvd"]
if(verbose) then print("["..__FILE__()..":"..__LINE__().."] ".._ifname..": "..k.."="..v.."\n") end
name = fixPath(basedir .. "/"..k..".rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:".. tolongint(v))
end
if (not ntop.exists(fixPath(basedir.."/localstats/"))) then
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Creating localstats directory ", fixPath(basedir.."/localstats"), '\n') end
ntop.mkdir(fixPath(basedir.."/localstats/"))
end
-- IN/OUT counters
if (ifstats["localstats"]["bytes"]["local2remote"] > 0) then
name = fixPath(basedir .. "/localstats/local2remote.rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:"..tolongint(ifstats["localstats"]["bytes"]["local2remote"]))
if (verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
end
if (ifstats["localstats"]["bytes"]["remote2local"] > 0) then
name = fixPath(basedir .. "/localstats/remote2local.rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:"..tolongint(ifstats["localstats"]["bytes"]["remote2local"]))
if (verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
end
-- Save hosts stats
if(host_rrd_creation ~= "0") then
local networks_aggr = {}
local vlans_aggr = {}
interface.select(_ifname) -- just to make sure ;)
hosts_stats = interface.getLocalHostsInfo(false)
hosts_stats,_ = aggregateHostsStats(hosts_stats)
for hostname, hoststats in pairs(hosts_stats) do
host = interface.getHostInfo(hostname)
if(host == nil) then
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] NULL host "..hostname.." !!!!\n") end
else
if(verbose) then
print ("["..__FILE__()..":"..__LINE__().."] [" .. hostname .. "][local: ")
print(tostring(host["localhost"]))
print("]" .. (hoststats["bytes.sent"]+hoststats["bytes.rcvd"]) .. "]\n")
end
-- Aggregate VLAN stats
local host_vlan = hoststats["vlan"]
if host_vlan ~= nil and host_vlan ~= 0 then
if vlans_aggr[host_vlan] == nil then
vlans_aggr[host_vlan] = {}
elseif vlans_aggr[host_vlan]["bytes.sent"] == nil then
vlans_aggr[host_vlan]["bytes.sent"] = hoststats["bytes.sent"]
vlans_aggr[host_vlan]["bytes.rcvd"] = hoststats["bytes.rcvd"]
else
vlans_aggr[host_vlan]["bytes.sent"] = vlans_aggr[host_vlan]["bytes.sent"] + hoststats["bytes.sent"]
vlans_aggr[host_vlan]["bytes.rcvd"] = vlans_aggr[host_vlan]["bytes.rcvd"] + hoststats["bytes.rcvd"]
end
end
if(host.localhost) then
local keypath = getPathFromKey(hostname)
local basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id .. "/rrd/" .. keypath)
if(not(ntop.exists(basedir))) then
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Creating base directory ", basedir, '\n') end
ntop.mkdir(basedir)
end
if host_categories_rrd_creation ~= "0" and not ntop.exists(fixPath(basedir.."/categories")) then
ntop.mkdir(fixPath(basedir.."/categories"))
end
-- Aggregate network stats
network_key = hoststats["local_network_name"]
--io.write("==> Adding "..network_key.."\n")
if (networks_aggr[network_key] == nil) then
networks_aggr[network_key] = {}
end
if (networks_aggr[network_key]["bytes.sent"] == nil) then
networks_aggr[network_key]["bytes.sent"] = hoststats["bytes.sent"]
networks_aggr[network_key]["bytes.rcvd"] = hoststats["bytes.rcvd"]
else
networks_aggr[network_key]["bytes.sent"] = networks_aggr[network_key]["bytes.sent"] + hoststats["bytes.sent"]
networks_aggr[network_key]["bytes.rcvd"] = networks_aggr[network_key]["bytes.rcvd"] + hoststats["bytes.rcvd"]
end
-- Traffic stats
name = fixPath(basedir .. "/bytes.rrd")
createRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:"..tolongint(hoststats["bytes.sent"]) .. ":" .. tolongint(hoststats["bytes.rcvd"]))
if(verbose) then
print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n')
end
-- L4 Protocols
for id, _ in ipairs(l4_keys) do
k = l4_keys[id][2]
if((host[k..".bytes.sent"] ~= nil) and (host[k..".bytes.rcvd"] ~= nil)) then
if(verbose) then print("["..__FILE__()..":"..__LINE__().."]\t"..k.."\n") end
name = fixPath(basedir .. "/".. k .. ".rrd")
createRRDcounter(name, 300, verbose)
-- io.write(name.."="..host[k..".bytes.sent"].."|".. host[k..".bytes.rcvd"] .. "\n")
ntop.rrd_update(name, "N:".. tolongint(host[k..".bytes.sent"]) .. ":" .. tolongint(host[k..".bytes.rcvd"]))
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
else
-- L2 host
--io.write("Discarding "..k.."@"..hostname.."\n")
end
end
if(host_ndpi_rrd_creation ~= "0") then
-- nDPI Protocols
for k in pairs(host["ndpi"]) do
name = fixPath(basedir .. "/".. k .. ".rrd")
createRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:".. tolongint(host["ndpi"][k]["bytes.sent"]) .. ":" .. tolongint(host["ndpi"][k]["bytes.rcvd"]))
-- Aggregate network NDPI stats
if (networks_aggr[host["local_network_name"]]["ndpi"] == nil) then
networks_aggr[host["local_network_name"]]["ndpi"] = {}
end
if (networks_aggr[host["local_network_name"]]["ndpi"][k] == nil) then
networks_aggr[host["local_network_name"]]["ndpi"][k] = {}
end
if (networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.sent"] == nil) then
networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.sent"] = host["ndpi"][k]["bytes.sent"]
else
networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.sent"] =
networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.sent"] +
host["ndpi"][k]["bytes.sent"]
end
if (networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.rcvd"] == nil) then
networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.rcvd"] = host["ndpi"][k]["bytes.rcvd"]
else
networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.rcvd"] =
networks_aggr[host["local_network_name"]]["ndpi"][k]["bytes.rcvd"] +
host["ndpi"][k]["bytes.rcvd"]
end
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
end
if(host_categories_rrd_creation ~= "0" and host.localhost) then
if host["categories"] ~= nil then
if networks_aggr[host["local_network_name"]]["categories"] == nil then
networks_aggr[host["local_network_name"]]["categories"] = {}
end
for _cat_name, cat_bytes in pairs(host["categories"]) do
cat_name = getCategoryLabel(_cat_name)
-- io.write('cat_name: '..cat_name..' cat_bytes:'..tostring(cat_bytes)..'\n')
name = fixPath(basedir.."/categories/"..cat_name..".rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:".. tolongint(cat_bytes))
if networks_aggr[host["local_network_name"]]["categories"][cat_name] == nil then
networks_aggr[host["local_network_name"]]["categories"][cat_name] = cat_bytes
else
networks_aggr[host["local_network_name"]]["categories"][cat_name] =
networks_aggr[host["local_network_name"]]["categories"][cat_name] + cat_bytes
end
end
end
end
if(host["epp"]) then dumpSingleTreeCounters(basedir, "epp", host, verbose) end
if(host["dns"]) then dumpSingleTreeCounters(basedir, "dns", host, verbose) end
end
else
-- print("ERROR: ["..__FILE__()..":"..__LINE__().."] Skipping non local host "..hostname.."\n")
end
end -- if host ~= nil
end
-- create RRD for vlans
local basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id..'/vlanstats')
for vlan_id, vlan_stats in pairs(vlans_aggr) do
local vlanpath = getPathFromKey(vlan_id)
vlanpath = fixPath(basedir.. "/" .. vlanpath)
if not ntop.exists(vlanpath) then
ntop.mkdir(vlanpath)
end
vlanpath = fixPath(vlanpath .. "/bytes.rrd")
createRRDcounter(vlanpath, 300, false)
ntop.rrd_update(vlanpath, "N:"..tolongint(vlan_stats["bytes.sent"]) .. ":" .. tolongint(vlan_stats["bytes.rcvd"]))
end
--- Create RRD for networks
for n,m in pairs(networks_aggr) do
local netname = getPathFromKey(n)
local base = dirs.workingdir .. "/" .. ifstats.id .. "/rrd/".. netname
base = fixPath(base)
--io.write("->"..n.."\n")
if(not(ntop.exists(base))) then ntop.mkdir(base) end
name = fixPath(base .. "/bytes.rrd")
createRRDcounter(name, 300, verbose)
str = "N:".. tolongint(m["bytes.sent"]) .. ":" .. tolongint(m["bytes.rcvd"])
--io.write(name.."="..str.."\n")
ntop.rrd_update(name, str)
if (m["ndpi"]) then -- nDPI data could be disabled
for k in pairs(m["ndpi"]) do
local ndpiname = fixPath(base.."/"..k..".rrd")
createRRDcounter(ndpiname, 300, verbose)
ntop.rrd_update(ndpiname, "N:"..tolongint(m["ndpi"][k]["bytes.sent"])..":"..tolongint(m["ndpi"][k]["bytes.rcvd"]))
end
end
if (m["categories"]) then
if not ntop.exists(fixPath(base.."/categories")) then ntop.mkdir(fixPath(base.."/categories")) end
for cat_name, cat_bytes in pairs(m["categories"]) do
local catrrdname = fixPath(base.."/categories/"..cat_name..".rrd")
createSingleRRDcounter(catrrdname, 300, verbose)
ntop.rrd_update(catrrdname, "N:"..tolongint(cat_bytes))
end
end
end
end -- if rrd
end -- if(diff
end -- if(good interface type
end -- for ifname,_ in pairs(ifnames) do
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