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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)
hosts_stats,total = aggregateHostsStats(interface.getHostsInfo(false, "column_traffic"))
ajax_format = _GET["ajax_format"]
tot = 0
_hosts_stats = {}
top_key = nil
top_value = 0
num = 0
for key, value in pairs(hosts_stats) do
host_info = hostkey2hostinfo(key);
value = hosts_stats[key]["bytes.sent"]+hosts_stats[key]["bytes.rcvd"]
if(value ~= nil) then
if(host_info["host"] == "255.255.255.255") then
key = "Broadcast"
end
_hosts_stats[value] = key -- ntop.getResolvedAddress(key)
if((top_value < value) or (top_key == nil)) then
top_key = key
top_value = value
end
tot = tot + value
end
end
-- Print up to this number of entries
max_num_entries = 10
-- Print entries whose value >= 5% of the total
threshold = (tot * 5) / 100
print "[\n"
num = 0
accumulate = 0
for key, value in pairsByKeys(_hosts_stats, rev) do
if(key < threshold) then
break
end
if(num > 0) then
print ",\n"
end
if((ajax_format == nil) or (ajax_format == "d3")) then
print("\t { \"label\": \"" .. value .."\", \"value\": ".. key ..", \"url\": \""..ntop.getHttpPrefix().."/lua/host_details.lua?"..hostinfo2url(value).."\" }")
else
print("\t [ \"" .. value .."\", ".. key .." ]")
end
accumulate = accumulate + key
num = num + 1
if(num == max_num_entries) then
break
end
end
if((num == 0) and (top_key ~= nil)) then
if((ajax_format == nil) or (ajax_format == "d3")) then
print("\t { \"label\": \"" .. top_key .."\", \"value\": ".. top_value ..", \"url\": \""..ntop.getHttpPrefix().."/lua/host_details.lua?"..hostinfo2url(top_key).."\" }")
else
print("\t [ \"" .. top_key .."\", ".. top_value .." ]")
end
accumulate = accumulate + top_value
end
-- In case there is some leftover do print it as "Other"
if(accumulate < tot) then
if((ajax_format == nil) or (ajax_format == "d3")) then
print(",\n\t { \"label\": \"Other\", \"value\": ".. (tot-accumulate) .." }")
else
print(",\n\t [ \"Other\", ".. (tot-accumulate) .." ]")
end
end
print "\n]"
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