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CGN: configurable timeouts

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add API and CLI configuration of deterministic NAT session timeout for TCP, UDP
and ICMP protocol

Change-Id: I577440452e7eaedcb5d80501a7fd4b76e31e8c9c
Signed-off-by: Matus Fabian <matfabia@cisco.com>
This commit is contained in:
Matus Fabian
2017-04-12 03:36:13 -07:00
committed by Ole Trøan
parent f3ebb452ca
commit 6a0946f078
7 changed files with 336 additions and 15 deletions
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19
test/test_snat.py
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@ -1345,10 +1345,29 @@ class TestDeterministicNAT(MethodHolder):
deterministic_mappings = self.vapi.snat_det_map_dump()
self.assertEqual(len(deterministic_mappings), 0)
def test_set_timeouts(self):
""" Set deterministic NAT timeouts """
timeouts_before = self.vapi.snat_det_get_timeouts()
self.vapi.snat_det_set_timeouts(timeouts_before.udp + 10,
timeouts_before.tcp_established + 10,
timeouts_before.tcp_transitory + 10,
timeouts_before.icmp + 10)
timeouts_after = self.vapi.snat_det_get_timeouts()
self.assertNotEqual(timeouts_before.udp, timeouts_after.udp)
self.assertNotEqual(timeouts_before.icmp, timeouts_after.icmp)
self.assertNotEqual(timeouts_before.tcp_established,
timeouts_after.tcp_established)
self.assertNotEqual(timeouts_before.tcp_transitory,
timeouts_after.tcp_transitory)
def clear_snat(self):
"""
Clear SNAT configuration.
"""
self.vapi.snat_det_set_timeouts()
deterministic_mappings = self.vapi.snat_det_map_dump()
for dsm in deterministic_mappings:
self.vapi.snat_add_det_map(dsm.in_addr,