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flow_test.py
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#!/usr/bin/env python3
# encoding: utf-8
"""
flow.py
Created by Thomas Mangin on 2010-01-14.
Copyright (c) 2009-2015 Exa Networks. All rights reserved.
License: 3-clause BSD. (See the COPYRIGHT file)
"""
import unittest
from exabgp.bgp.message.update.nlri import Flow
from exabgp.bgp.message.update.nlri.flow import Flow4Source
from exabgp.bgp.message.update.nlri.flow import Flow4Destination
from exabgp.bgp.message.update.nlri.flow import FlowAnyPort
from exabgp.bgp.message.update.nlri.flow import NumericOperator
# from exabgp.bgp.message.update.attribute.community import *
from exabgp.protocol.ip import IPv4
class TestFlow(unittest.TestCase):
def setUp(self):
pass
def test_rule(self):
components = {
'destination': Flow4Destination(IPv4.pton('192.0.2.0'), 24),
'source': Flow4Source(IPv4.pton('10.1.2.0'), 24),
'anyport_1': FlowAnyPort(NumericOperator.EQ, 25),
}
messages = {
'destination': [0x01, 0x18, 0xC0, 0x00, 0x02],
'source': [0x02, 0x18, 0x0A, 0x01, 0x02],
'anyport_1': [0x04, 0x01, 0x19],
}
for key in ['destination', 'source', 'anyport_1']:
component = components[key].pack()
message = bytes(messages[key])
_ = component
_ = message
# if component != message:
# self.fail('content mismatch\n%s\n%s' % (['0x%02X' % _ for _ in component],['0x%02X' % _ for _ in message]))
def test_rule_and(self):
components = {
'destination': Flow4Destination(IPv4.pton('192.0.2.0'), 24),
'source': Flow4Source(IPv4.pton('10.1.2.0'), 24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT, 25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT, 80),
}
messages = {
'destination': [0x01, 0x18, 0xC0, 0x00, 0x02],
'source': [0x02, 0x18, 0x0A, 0x01, 0x02],
'anyport_1': [0x04, 0x43, 0x19],
'anyport_2': [0x04, 0x85, 0x50],
}
flow = Flow()
message = b''
for key in ['destination', 'source', 'anyport_1', 'anyport_2']:
flow.add(components[key])
message += bytes(messages[key])
message = bytes([len(message)]) + message
# flow.add(to_FlowAction(65000,False,False))
flow.pack()
# print [hex(_) for _ in flow]
def test_nlri(self):
components = {
'destination': Flow4Destination(IPv4.pton('192.0.2.0'), 24),
'source': Flow4Source(IPv4.pton('10.1.2.0'), 24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT, 25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT, 80),
}
messages = {
'destination': [0x01, 0x18, 0xC0, 0x00, 0x02],
'source': [0x02, 0x18, 0x0A, 0x01, 0x02],
'anyport_1': [0x04, 0x43, 0x19],
'anyport_2': [0x85, 0x50],
}
flow = Flow()
message = b''
for key in ['destination', 'source', 'anyport_1', 'anyport_2']:
flow.add(components[key])
message += bytes(messages[key])
message = bytes([len(message)]) + message
# policy.add(to_FlowAction(65000,False,False))
flow = flow.pack()
if message[0] != flow[0]:
self.fail('size mismatch %s %s\n' % (flow[0], message[0]))
if len(flow) != flow[0] + 1:
self.fail('invalid size for message')
# if message[1:] != flow[1:]:
# self.fail('content mismatch\n%s\n%s' % (['0x%02X' % _ for _ in flow],['0x%02X' % _ for _ in message]))
def test_compare(self):
components = {
'destination': Flow4Destination(IPv4.pton('192.0.2.0'), 24),
'source': Flow4Source(IPv4.pton('10.1.2.0'), 24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT, 25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT, 80),
'anyport_3': FlowAnyPort(NumericOperator.EQ, 80),
}
flow1 = Flow()
for key in ['destination', 'source', 'anyport_1', 'anyport_2']:
flow1.add(components[key])
flow2 = Flow()
for key in ['destination', 'source', 'anyport_3']:
flow2.add(components[key])
if flow1 != flow1:
self.fail('the flows are the same')
if flow1 == flow2:
self.fail('the flows are not the same')
if __name__ == '__main__':
unittest.main()