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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')
function getNetworkStats(network)
local hosts_stats,total = aggregateHostsStats(interface.getHostsInfo())
my_network = nil
for key, value in pairs(hosts_stats) do
h = hosts_stats[key]
nw_name = h["local_network_name"]
if(h["local_network_name"] == network) then
--io.write(nw_name.."\n")
if(nw_name ~= nil) then
if(my_network == nil) then
h["ip"] = nw_name
h["name"] = nw_name
my_network = h
else
my_network["num_alerts"] = my_network["num_alerts"] + h["num_alerts"]
my_network["throughput_bps"] = my_network["throughput_bps"] + h["throughput_bps"]
my_network["throughput_pps"] = my_network["throughput_pps"] + h["throughput_pps"]
my_network["last_throughput_bps"] = my_network["last_throughput_bps"] + h["last_throughput_bps"]
my_network["last_throughput_pps"] = my_network["last_throughput_pps"] + h["last_throughput_pps"]
my_network["bytes.sent"] = my_network["bytes.sent"] + h["bytes.sent"]
my_network["bytes.rcvd"] = my_network["bytes.rcvd"] + h["bytes.rcvd"]
if(my_network["seen.first"] > h["seen.first"]) then
my_network["seen.first"] = h["seen.first"]
end
if(my_network["seen.last"] < h["seen.last"]) then
my_network["seen.last"] = h["seen.last"]
end
end
end
end
end
return(my_network)
end
-- sendHTTPHeader('application/json')
interface.select(ifname)
host_info = url2hostinfo(_GET)
interface.select(ifname)
if(host_info["host"] ~= nil) then
if(string.contains(host_info["host"], "/")) then
-- This is a network
host = getNetworkStats(host_info["host"])
else
host = interface.getHostInfo(host_info["host"], host_info["vlan"])
end
else
host = interface.getAggregatedHostInfo(host_info["host"])
end
if(host == nil) then
print('{}')
else
print('{')
now = os.time()
-- Get from redis the throughput type bps or pps
throughput_type = getThroughputType()
print("\"column_since\" : \"" .. secondsToTime(now-host["seen.first"]+1) .. "\", ")
print("\"column_last\" : \"" .. secondsToTime(now-host["seen.last"]+1) .. "\", ")
print("\"column_traffic\" : \"" .. bytesToSize(host["bytes.sent"]+host["bytes.rcvd"]).. "\", ")
if((host["throughput_trend_"..throughput_type] ~= nil)
and (host["throughput_trend_"..throughput_type] > 0)) then
if(throughput_type == "pps") then
print ("\"column_thpt\" : \"" .. pktsToSize(host["throughput_bps"]).. " ")
else
print ("\"column_thpt\" : \"" .. bitsToSize(8*host["throughput_bps"]).. " ")
end
if(host["throughput_"..throughput_type] > host["last_throughput_"..throughput_type]) then
print("<i class='fa fa-arrow-up'></i>")
elseif(host["throughput_"..throughput_type] < host["last_throughput_"..throughput_type]) then
print("<i class='fa fa-arrow-down'></i>")
else
print("<i class='fa fa-minus'></i>")
end
print("\",")
else
print ("\"column_thpt\" : \"0 "..throughput_type.."\",")
end
sent2rcvd = round((host["bytes.sent"] * 100) / (host["bytes.sent"]+host["bytes.rcvd"]), 0)
print ("\"column_breakdown\" : \"<div class='progress'><div class='progress-bar progress-bar-warning' style='width: "
.. sent2rcvd .."%;'>Sent</div><div class='progress-bar progress-bar-info' style='width: " .. (100-sent2rcvd) .. "%;'>Rcvd</div></div>")
print("\" } ")
end
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