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68 lines
1.5 KiB
Lua
68 lines
1.5 KiB
Lua
--
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-- (C) 2013-24 - 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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sendHTTPContentTypeHeader('text/html')
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interface.select(ifname)
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local ifstats = interface.getStats()
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local distr_type = _GET["distr"]
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if((distr_type == nil) or (distr_type == "size")) then
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what = ifstats["pktSizeDistribution"]["size"]
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elseif distr_type == "ipver" then
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print "[\n"
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print("\t { \"label\": \"IPv6\", \"value\": ".. ifstats.eth.IPv6_packets .." },")
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print("\t { \"label\": \"IPv4\", \"value\": ".. ifstats.eth.IPv4_packets .." }")
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print "\n]"
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return
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end
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local pkt_distribution = {
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['upTo64'] = '<= 64',
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['upTo128'] = '64 <= 128',
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['upTo256'] = '128 <= 256',
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['upTo512'] = '256 <= 512',
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['upTo1024'] = '512 <= 1024',
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['upTo1518'] = '1024 <= 1518',
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['upTo2500'] = '1518 <= 2500',
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['upTo6500'] = '2500 <= 6500',
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['upTo9000'] = '6500 <= 9000',
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['above9000'] = '> 9000'
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}
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local tot = 0
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for key, value in pairs(what) do
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tot = tot + value
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end
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local threshold = (tot * 5) / 100
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print "[\n"
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num = 0
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local sum = 0
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for key, value in pairs(what) do
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if(value > threshold) then
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if(pkt_distribution[key] ~= nil) then
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if(num > 0) then
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print ",\n"
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end
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print("\t { \"label\": \"" .. pkt_distribution[key] .."\", \"value\": ".. value .." }")
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num = num + 1
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sum = sum + value
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end
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end
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end
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if(sum < tot) then
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print("\t, { \"label\": \"Other\", \"value\": ".. (tot-sum) .." }")
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end
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print "\n]"
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