Remah,
the file is enclosed
Enjoy Luca
On 08/10/2014 01:24 AM, Katat, Remah (NSN - EG/Cairo) wrote:
>
> Hi nprobe users, dev team,
>
> Just wondering if any did manage to use nprobe/ucloud for extracting
> IMSI /application information from Redis and re-direct to output file?
>
>
>
> Theory is explained in following link (very interesting!), but
> unfortunately not operation wise nor where to find imsiAggregator.py
> script for performing such function…
>
> http://www.ntop.org/pf_ring/tracking-and-troubleshooting-mobile-phone-users-imsi-using-the-microcloud/
>
>
>
> Thanks
>
> Remah
>
>
>
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#!/usr/bin/python
#
# (C) 2013 - ntop.org
#
# This is a tool used to aggregate IMSI traffic using redis
#
# Usage:
# nprobe -i <device> --gtpv1-dump-dir /tmp/ --imsi-aggregation --redis localhost --tunnel -T "%IPV4_SRC_ADDR %IPV4_DST_ADDR %IPV4_NEXT_HOP %INPUT_SNMP %OUTPUT_SNMP %IN_PKTS %IN_BYTES %FIRST_SWITCHED %LAST_SWITCHED %L4_SRC_PORT %L4_DST_PORT %TCP_FLAGS %PROTOCOL %L7_PROTO"
#
# Requirements:
# easy_install redis
#
import redis
import sys
import time
import getopt
verbose = False
aggregation_duration = 300 # seconds
def usage():
print "Usage: imsiAggregator.py [-h] [-v] --redis <redis host>[:<port>] --epoch <epoch> [--outdir <dir>]\n"
print "Example: imsiAggregator.py --redis localhost:6379 --epoch 1374904200 --outdir /tmp"
sys.exit()
try:
opts, args = getopt.getopt(sys.argv[1:], "hvr:e:o:", ["help", "verbose", "redis=", "epoch=", "outdir="])
except getopt.GetoptError:
usage()
sys.exit(2)
opt_redis = ""
opt_epoch = ""
opt_outdir = ""
for o, a in opts:
if o == "-v":
verbose = True
elif o in ("-h", "--help"):
usage()
sys.exit()
elif o in ("-r", "--redis"):
opt_redis = a
elif o in ("-e", "--epoch"):
opt_epoch = a
elif o in ("-o", "--outdir"):
opt_outdir = a
if((opt_redis == "") or (opt_epoch == "")):
usage()
r = opt_redis.split(':')
redis_host = r[0]
if(len(r) == 2):
redis_port = int(r[1])
else:
redis_port = 6379
if(opt_epoch == "prev"):
epoch = int(time.mktime(time.localtime()))-aggregation_duration
elif(opt_epoch == "now"):
epoch = int(time.mktime(time.localtime()))
elif(opt_epoch[0] == "-"):
epoch = int(time.mktime(time.localtime()))+aggregation_duration*int(opt_epoch)
else:
epoch = int(opt_epoch)
epoch = epoch - (epoch % aggregation_duration)
if(opt_outdir == ""):
fname = "<standard output>"
outfile = sys.stdout
else:
try:
fname = opt_outdir+"/"+str(epoch)+".imsi"
outfile = open(fname, "w")
print("Dumping data to "+fname+"...")
except Exception, err:
print("Unable to create file "+fname)
sys.exit()
# 1 - Connect to redis
r = redis.StrictRedis(host=redis_host, port=redis_port, db=0)
try:
r.ping()
except Exception, err:
print("Unable to connect to redis server '"+str(redis_host)+":"+str(redis_port)+"'")
sys.exit(0)
# 2 - Retrieve aggregations
if(verbose):
print "Retrieving IMSI aggregations for epoch "+str(epoch)+"..."
keys = r.keys(str(epoch)+".*")
outfile.write("#\n")
outfile.write("# Timestamp\tIMSI\tGranularity\tProtocol\tPackets\tBytes\tFlows\tDuration\n")
outfile.write("#\n")
for k in keys:
try:
elems = r.hgetall(k)
key_elems = k.split('.')
outfile.write(str(epoch)+"\t"+key_elems[1]+"\t"+str(aggregation_duration)+"\t"+key_elems[2]+"\t"+str(elems["packets"])+"\t"+str(elems["bytes"])+"\t"+str(elems["flows"])+"\t"+str(elems["duration"])+"\n")
r.delete(k)
except Exception, err:
print "Error processing key "+str(key)
if(opt_outdir <> ""):
try:
outfile.close()
except Exception, err:
print("Unable to close file "+fname)
sys.exit()
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