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--
-- (C) 2014-15-15 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
local json = require("dkjson")
sendHTTPHeader('application/json')
interface.select(ifname)
local max_num_peers = 10
local host_info = url2hostinfo(_GET)
local flows = getTopFlowPeers(hostinfo2hostkey(host_info), max_num_peers)
local tot = 0
local peers = {}
local peers_proto = {}
local ndpi = {}
for _, flow in ipairs(flows) do
if(flow["cli.ip"] == _GET["host"]) then
peer = hostinfo2hostkey(flow, "srv")
else
peer = hostinfo2hostkey(flow, "cli")
end
v = flow["bytes"]
if(peers[peer] == nil) then peers[peer] = 0 end
peers[peer] = peers[peer] + v
if flow["proto.ndpi"] == nil then
goto continue
elseif ndpi[flow["proto.ndpi"]] == nil then
ndpi[flow["proto.ndpi"]] = 0
end
ndpi[flow["proto.ndpi"]] = ndpi[flow["proto.ndpi"]] + v
if(peers_proto[peer] == nil) then peers_proto[peer] = {} end
if(peers_proto[peer][flow["proto.ndpi"]] == nil) then peers_proto[peer][flow["proto.ndpi"]] = 0 end
peers_proto[peer][flow["proto.ndpi"]] = peers_proto[peer][flow["proto.ndpi"]] + v
::continue::
tot = tot + v
end
local res = {}
for peer,value in pairsByValues(peers, rev) do
if(peers_proto[peer] ~= nil) then
for proto,value in pairsByValues(ndpi, rev) do
if(peers_proto[peer][proto] ~= nil) then
host = interface.getHostInfo(peer)
if(host ~= nil) then
local hostinfo = {host = host["ip"], vlan = host["vlan"]}
if(isEmptyString(host["name"])) then
host["name"] = resolveAddress(hostinfo)
end
local r = {host=peer, name=host.name, url=hostinfo2detailshref(hostinfo, nil, host.name), l7proto=proto, l7proto_url="<A HREF='"..ntop.getHttpPrefix().."/lua/flows_stats.lua?host=".. hostinfo2hostkey(hostinfo) .."&application="..proto.."'>"..proto.."</A>", traffic=peers_proto[peer][proto]}
res[#res + 1] = r
end
end
end
end
end
-- tprint(res)
print(json.encode(res, nil))
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