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ipfix_receiver.py
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ipfix_receiver.py
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Copyright (c) 2014 Alexander Bredo
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the
# following conditions are met:
#
# 1. Redistributions of source code must retain the above
# copyright notice, this list of conditions and the following
# disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import socketserver
from ipfix.workers import Manager
from base.applog import *
from netflow.netflow_v5 import NetflowV5
class ExceptionInvalidNetflowVersion(Exception):
pass
class IPFIXUDPHandler(socketserver.DatagramRequestHandler):
def handle(self):
log.debug('IPFIX-Message received from %s' % self.client_address[0])
self.server.ipfix_manager.put((self.request[0], str(self.client_address[0])))
class NetflowV5Handler():
def __init__(self, manager):
self.manager = manager
def handle(self, flow):
log.debug('Netflow-Message received.')
self.manager.putNetflow(flow)
if __name__ == "__main__":
mgr = Manager()
if mgr.config.netflow_version == 10:
server = socketserver.UDPServer((
mgr.config.netflow_ip_mask,
mgr.config.netflow_port
), IPFIXUDPHandler)
server.ipfix_manager = mgr
log.info("Listening on %s:%s" % (
mgr.config.netflow_ip_mask,
mgr.config.netflow_port
))
log.info("Waiting for First IPFIX Template.")
try:
mgr.start()
#server.ipfix_manager.start()
server.serve_forever()
except KeyboardInterrupt:
log.info("Graceful Exit")
server.ipfix_manager.join()
elif mgr.config.netflow_version == 5:
o = NetflowV5(mgr.config.netflow_ip_mask, mgr.config.netflow_port)
n = NetflowV5Handler(mgr)
try:
mgr.start()
o.subscribe(n.handle) # register Callback method
except KeyboardInterrupt:
print("Exit. Bye bye.")
else:
raise ExceptionInvalidNetflowVersion('Only Netflow v5 or IPFIX (=Netflow v10) are supported.')