mirror of
https://github.com/ntop/ntopng.git
synced 2026-04-30 07:59:35 +00:00
130 lines
4.6 KiB
Lua
130 lines
4.6 KiB
Lua
--
|
|
-- (C) 2013-18 - ntop.org
|
|
--
|
|
|
|
dirs = ntop.getDirs()
|
|
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
|
|
|
|
require "lua_utils"
|
|
local json = require ("dkjson")
|
|
local page_utils = require("page_utils")
|
|
local tracker = require("tracker")
|
|
|
|
-- whether to return host statistics: on by default
|
|
local host_stats = _GET["host_stats"]
|
|
|
|
-- whether to return statistics regarding host flows: off by default
|
|
local host_stats_flows = _GET["host_stats_flows"]
|
|
local host_stats_flows_num = _GET["limit"]
|
|
|
|
local host_info = url2hostinfo(_GET)
|
|
local host = _GET["host"]
|
|
|
|
if(host_info["host"] == nil) then
|
|
sendHTTPContentTypeHeader('text/html')
|
|
page_utils.print_header()
|
|
dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
|
|
print("<div class=\"alert alert-danger\"><img src=".. ntop.getHttpPrefix() .. "/img/warning.png> Host parameter is missing (internal error ?)</div>")
|
|
return
|
|
end
|
|
|
|
function flows2protocolthpt(flows)
|
|
local protocol_thpt = {}
|
|
for _, flow in pairs(flows) do
|
|
local proto_ndpi = ""
|
|
if flow["proto.ndpi"] == nil or flow["proto.ndpi"] == "" then
|
|
goto continue
|
|
else
|
|
proto_ndpi = flow["proto.ndpi"]
|
|
end
|
|
|
|
if protocol_thpt[proto_ndpi] == nil then
|
|
protocol_thpt[proto_ndpi] =
|
|
{["cli2srv"]={["throughput_bps"]=0, ["throughput_pps"]=0},
|
|
["srv2cli"]={["throughput_bps"]=0, ["throughput_pps"]=0}}
|
|
end
|
|
|
|
for _, dir in pairs({"cli2srv", "srv2cli"}) do
|
|
for _, dim in pairs({"bps", "pps"}) do
|
|
protocol_thpt[proto_ndpi][dir]["throughput_"..dim] =
|
|
protocol_thpt[proto_ndpi][dir]["throughput_"..dim] + flow[dir..".throughput_"..dim]
|
|
end
|
|
end
|
|
::continue::
|
|
end
|
|
return protocol_thpt
|
|
end
|
|
|
|
local ifid = _GET["ifid"]
|
|
-- parse interface names and possibly fall back to the selected interface:
|
|
-- priority goes to the interface id
|
|
if ifid ~= nil and ifid ~= "" then
|
|
if_name = getInterfaceName(ifid)
|
|
-- finally, we fall back to the default selected interface name
|
|
else
|
|
-- fall-back to the default interface
|
|
if_name = ifname
|
|
ifid = interface.name2id(ifname)
|
|
end
|
|
|
|
interface.select(if_name)
|
|
host = interface.getHostInfo(host_info["host"], host_info["vlan"])
|
|
|
|
if(host == nil) then
|
|
sendHTTPContentTypeHeader('text/html')
|
|
page_utils.print_header()
|
|
dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
|
|
print("<div class=\"alert alert-danger\"><img src=".. ntop.getHttpPrefix() .. "/img/warning.png> Host ".. host_info["host"] .. " Vlan" ..host_info["vlan"].." cannot be found (expired ?)</div>")
|
|
return
|
|
else
|
|
sendHTTPHeader('application/json')
|
|
local hj = host
|
|
|
|
-- hosts stats are on by default, one must explicitly disable them
|
|
if not (host_stats == nil or host_stats == "" or host_stats == "true" or host_stats == "1") then
|
|
hj = {}
|
|
end
|
|
|
|
-- host flow stats are off by default and must be explicitly enabled
|
|
if host_stats_flows ~= nil and host_stats_flows ~= "" then
|
|
if host_stats_flows_num == nil or tonumber(host_stats_flows_num) == nil then
|
|
-- default: do not limit the number of flows
|
|
host_stats_flows_num = 99999
|
|
else
|
|
-- ... unless otherwise specified
|
|
host_stats_flows_num = tonumber(host_stats_flows_num)
|
|
end
|
|
local total = 0
|
|
|
|
local pageinfo = {["sortColumn"]="column_bytes", ["a2zSortOrder"]=false,
|
|
["maxHits"]=host_stats_flows_num, ["toSkip"]=0, ["detailedResults"]=true}
|
|
--local flows = interface.getFlowsInfo(host_info["host"], nil, "column_bytes", host_stats_flows_num, 0, false)
|
|
local flows = interface.getFlowsInfo(host_info["host"], pageinfo)
|
|
flows = flows["flows"]
|
|
for i, fl in ipairs(flows) do
|
|
flows[i] = {
|
|
["srv.ip"] = fl["srv.ip"], ["cli.ip"] = fl["cli.ip"],
|
|
["srv.port"] = fl["srv.port"], ["cli.port"] = fl["cli.port"],
|
|
["proto.ndpi_id"] = fl["proto.ndpi_id"], ["proto.ndpi"] = fl["proto.ndpi"],
|
|
["bytes"] = fl["bytes"],
|
|
["cli2srv.throughput_bps"] = round(fl["throughput_cli2srv_bps"], 2),
|
|
["srv2cli.throughput_bps"] = round(fl["throughput_srv2cli_bps"], 2),
|
|
["cli2srv.throughput_pps"] = round(fl["throughput_cli2srv_pps"], 2),
|
|
["srv2cli.throughput_pps"] = round(fl["throughput_srv2cli_pps"], 2),
|
|
}
|
|
if fl["proto.l4"] == "TCP" then
|
|
flows[i]["cli2srv.tcp_flags"] = TCPFlags2table(fl["cli2srv.tcp_flags"])
|
|
flows[i]["srv2cli.tcp_flags"] = TCPFlags2table(fl["srv2cli.tcp_flags"])
|
|
flows[i]["tcp_established"] = fl["tcp_established"]
|
|
end
|
|
end
|
|
hj["ndpiThroughputStats"] = flows2protocolthpt(flows)
|
|
hj["flows"] = flows
|
|
hj["flows_count"] = total
|
|
end
|
|
print(json.encode(hj, nil))
|
|
|
|
-- TRACKER HOOK
|
|
tracker.log("host_get_json", {host_info["host"], host_info["vlan"]})
|
|
end
|
|
|