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--
-- (C) 2013-16 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
sendHTTPHeader('text/html; charset=iso-8859-1')
interface.select(ifname)
host_info = url2hostinfo(_GET)
if(_GET["breed"] == "true") then
show_breed = true
else
show_breed = false
end
if(_GET["mode"] == "sinceStartup") then
stats = aggregateInterfaceStats(interface.getStats())
elseif(_GET["mode"] == "count") then
stats = interface.getnDPIFlowsCount()
elseif(host_info["host"] == nil) then
stats = interface.getnDPIStats()
else
stats = interface.getHostInfo(host_info["host"], host_info["vlan"])
end
print "[\n"
if(stats ~= nil) then
tot = 0
_ifstats = {}
if(_GET["mode"] == "count") then
tot = 0
for k, v in pairs(stats) do
tot = tot + v
stats[k] = tonumber(v)
-- print(k.."="..v.."\n,")
end
threshold = (tot * 3) / 100
num = 0
for k, v in pairsByValues(stats, rev) do
if((num < 5) and (v > threshold)) then
if(num > 0) then print(", ") end
print("\t { \"label\": \"" .. k .."\", \"value\": ".. v .." }")
num = num + 1
tot = tot - v
else
break
end
end
if(tot > 0) then
if(num > 0) then print(", ") end
print("\t { \"label\": \"Other\", \"value\": ".. tot .." }")
end
print "]\n"
return
end
if(show_breed) then
__ifstats = {}
for key, value in pairs(stats["ndpi"]) do
b = stats["ndpi"][key]["breed"]
traffic = stats["ndpi"][key]["bytes.sent"] + stats["ndpi"][key]["bytes.rcvd"]
if(__ifstats[b] == nil) then
__ifstats[b] = traffic
else
__ifstats[b] = __ifstats[b] + traffic
end
end
for key, value in pairs(__ifstats) do
--print(key.."="..value.."<p>\n")
_ifstats[value] = key
tot = tot + value
end
else
for key, value in pairs(stats["ndpi"]) do
-- print("->"..key.."\n")
traffic = stats["ndpi"][key]["bytes.sent"] + stats["ndpi"][key]["bytes.rcvd"]
if(show_breed) then
_ifstats[traffic] = stats["ndpi"][key]["breed"]
else
_ifstats[traffic] = key
end
--print(key.."="..traffic)
tot = tot + traffic
end
end
-- Print up to this number of entries
max_num_entries = 5
-- Print entries whose value >= 3% of the total
threshold = (tot * 3) / 100
num = 0
accumulate = 0
for key, value in pairsByKeys(_ifstats, rev) do
if(key < threshold) then
break
end
if(num > 0) then
print ",\n"
end
if(host_info["host"] == nil) then
print("\t { \"label\": \"" .. value .."\", \"url\": \""..ntop.getHttpPrefix().."/lua/flows_stats.lua?application="..value.."\", \"value\": ".. key .." }")
else
print("\t { \"label\": \"" .. value .."\", \"value\": ".. key .." }")
end
accumulate = accumulate + key
num = num + 1
if(num == max_num_entries) then
break
end
end
if(tot == 0) then
tot = 1
end
-- In case there is some leftover do print it as "Other"
if(accumulate < tot) then
if(num > 0) then
print (",\n")
end
print("\t { \"label\": \"Other\", \"value\": ".. (tot-accumulate) .." }")
end
end
print "\n]"
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