ntopng/scripts/lua/flow_stats.lua
2015-04-30 12:22:35 +02:00

131 lines
4.6 KiB
Lua

--
-- (C) 2013-15 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
require "flow_utils"
flow_key = _GET["flow_key"]
if(flow_key == nil) then
flow = nil
else
interface.select(ifname)
flow = interface.findFlowByKey(tonumber(flow_key))
end
throughput_type = getThroughputType()
sendHTTPHeader('text/html; charset=iso-8859-1')
--sendHTTPHeader('application/json')
if(flow == nil) then
print('{}')
else
diff0 = os.time()-flow["seen.first"]
diff = os.time()-flow["seen.last"]
-- Default values
thpt = 0
thpt_display = bitsToSize(0)
if (throughput_type == "bps") then
thpt = 8*flow["throughput_bps"]
thpt_display = bitsToSize(thpt)
top_thpt_display = bitsToSize(8*flow["top_throughput_bps"])
elseif (throughput_type == "pps") then
thpt = flow["throughput_pps"]
thpt_display = pktsToSize(thpt)
top_thpt_display = pktsToSize(flow["top_throughput_pps"])
end
print('{ ' .. '"seen.last": "'.. formatEpoch(flow["seen.last"]) .. ' ['.. secondsToTime(diff) .. ' ago]", '
.. '"seen.first": "'.. formatEpoch(flow["seen.first"]) .. ' ['.. secondsToTime(diff0) .. ' ago]"'
.. ', "bytes": ' .. flow["bytes"] .. ', "cli2srv.packets": ' .. flow["cli2srv.packets"] .. ', "srv2cli.packets": ' .. flow["srv2cli.packets"] .. ', "cli2srv.bytes": ' .. flow["cli2srv.bytes"] .. ', "srv2cli.bytes": ' .. flow["srv2cli.bytes"].. ', "throughput": "' .. thpt_display..'", "top_throughput_display": "'.. top_thpt_display ..'", "throughput_raw": ' .. thpt)
if(flow["proto.l4"] == "TCP") then
print(', "c2sOOO":'.. flow["cli2srv.out_of_order"] )
print(', "c2slost":'..flow["cli2srv.lost"] )
print(', "c2sretr":'..flow["cli2srv.retransmissions"] )
print(', "s2cOOO":'.. flow["srv2cli.out_of_order"] )
print(', "s2clost":'..flow["srv2cli.lost"] )
print(', "s2cretr":'..flow["srv2cli.retransmissions"] )
end
-- Processes information
show_processes = false
if ((flow.client_process ~= nil) or (flow.server_process ~= nil) )then show_processes= true end
if (show_processes)then print (', "processes": {') end
if(flow.client_process ~= nil) then
proc = flow.client_process
print ('"'..proc.pid..'": {')
if(proc.actual_memory > 0) then
-- average_cpu_load
print('"average_cpu_load": "')
load = round(proc.average_cpu_load, 2)
if(proc.average_cpu_load < 33) then
if(proc.average_cpu_load == 0) then proc.average_cpu_load = "< 1" end
print("<font color=green>"..load.." %</font>")
elseif(proc.average_cpu_load < 66) then
print("<font color=orange><b>"..load.." %</b></font>")
else
print("<font color=red><b>"..load.." %</b></font>")
end
print('"')
-- memory
print(', "memory": "'.. bytesToSize(proc.actual_memory) .. " / ".. bytesToSize(proc.peak_memory) .. " [" .. round((proc.actual_memory*100)/proc.peak_memory, 1) ..'%]"')
-- page faults
print(', "page_faults": ')
if(proc.num_vm_page_faults > 0) then
print('"<font color=red><b>'..proc.num_vm_page_faults..'</b></font>"')
else
print('"<font color=green><b>'..proc.num_vm_page_faults..'</b></font>"')
end
end
print ('}')
end
if(flow.server_process ~= nil) then
if (flow.client_process ~= nil) then print (',') end
proc = flow.server_process
print ('"'..proc.pid..'": {')
if(proc.actual_memory > 0) then
-- average_cpu_load
load = round(proc.average_cpu_load, 2)
print('"average_cpu_load": "')
if(proc.average_cpu_load < 33) then
if(proc.average_cpu_load == 0) then proc.average_cpu_load = "< 1" end
print("<font color=green>"..load.." %</font>")
elseif(proc.average_cpu_load < 66) then
print("<font color=orange><b>"..load.." %</b></font>")
else
print("<font color=red><b>"..load.." %</b></font>")
end
print('"')
print(', "memory": "'.. bytesToSize(proc.actual_memory) .. " / ".. bytesToSize(proc.peak_memory) .. " [" .. round((proc.actual_memory*100)/proc.peak_memory, 1) ..'%]"')
print(', "page_faults": ')
if(proc.num_vm_page_faults > 0) then
print('"<font color=red><b>'..proc.num_vm_page_faults..'</b></font>"')
else
print('"<font color=green><b>'..proc.num_vm_page_faults..'</b></font>"')
end
end
print ('}')
end
if (show_processes)then print ('}') end
print (' }\n')
end