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vlib: add virtual time support

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Type: feature

Change-Id: Iabd76558e9c72ed8286cfeeb1fbaa4fde4832a90
Signed-off-by: Benoît Ganne <bganne@cisco.com>
This commit is contained in:
Benoît Ganne
2021-08-20 09:18:31 +02:00
committed by Damjan Marion
parent f33979ba88
commit 56eccdbaa9
14 changed files with 157 additions and 75 deletions
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23
test/test_neighbor.py
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@ -1999,16 +1999,6 @@ class NeighborAgeTestCase(VppTestCase):
i.unconfig_ip6()
i.admin_down()
def wait_for_no_nbr(self, intf, address,
n_tries=50, s_time=1):
while (n_tries):
if not find_nbr(self, intf, address):
return True
n_tries = n_tries - 1
self.sleep(s_time)
return False
def verify_arp_req(self, rx, smac, sip, dip):
ether = rx[Ether]
self.assertEqual(ether.dst, "ff:ff:ff:ff:ff:ff")
@ -2099,10 +2089,13 @@ class NeighborAgeTestCase(VppTestCase):
self.vapi.cli("sh ip4 neighbor-sorted")
# age out neighbors
self.virtual_sleep(3)
#
# expect probes from all these ARP entries as they age
# 3 probes for each neighbor 3*200 = 600
rxs = self.pg0.get_capture(600, timeout=8)
rxs = self.pg0.get_capture(600, timeout=2)
for ii in range(3):
for jj in range(200):
@ -2113,9 +2106,7 @@ class NeighborAgeTestCase(VppTestCase):
# 3 probes sent then 1 more second to see if a reply comes, before
# they age out
#
for jj in range(1, 201):
self.wait_for_no_nbr(self.pg0.sw_if_index,
self.pg0.remote_hosts[jj].ip4)
self.virtual_sleep(1)
self.assertFalse(self.vapi.ip_neighbor_dump(sw_if_index=0xffffffff,
af=vaf.ADDRESS_IP4))
@ -2142,7 +2133,7 @@ class NeighborAgeTestCase(VppTestCase):
self.assertEqual(e.neighbor.mac_address,
self.pg0.remote_hosts[ii].mac)
self.sleep(10)
self.virtual_sleep(10)
self.assertFalse(self.vapi.ip_neighbor_dump(sw_if_index=0xffffffff,
af=vaf.ADDRESS_IP4))
@ -2190,7 +2181,7 @@ class NeighborAgeTestCase(VppTestCase):
max_age=0,
recycle=False)
self.sleep(10)
self.virtual_sleep(10)
self.assertTrue(find_nbr(self,
self.pg0.sw_if_index,
self.pg0.remote_hosts[0].ip4))