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#!/usr/bin/env python3
import unittest
from framework import VppTestCase, VppTestRunner
from vpp_vhost_interface import VppVhostInterface
class TesVhostInterface(VppTestCase):
"""Vhost User Test Case
"""
@classmethod
def setUpClass(cls):
super(TesVhostInterface, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(TesVhostInterface, cls).tearDownClass()
def tearDown(self):
super(TesVhostInterface, self).tearDown()
if not self.vpp_dead:
if_dump = self.vapi.sw_interface_vhost_user_dump()
for ifc in if_dump:
self.vapi.delete_vhost_user_if(ifc.sw_if_index)
def test_vhost(self):
""" Vhost User add/delete interface test """
self.logger.info("Vhost User add interfaces")
# create interface 1 (VirtualEthernet0/0/0)
vhost_if1 = VppVhostInterface(self, sock_filename=b'/tmp/sock1')
vhost_if1.add_vpp_config()
vhost_if1.admin_up()
# create interface 2 (VirtualEthernet0/0/1)
vhost_if2 = VppVhostInterface(self, sock_filename=b'/tmp/sock2')
vhost_if2.add_vpp_config()
vhost_if2.admin_up()
# verify both interfaces in the show
ifs = self.vapi.cli("show interface")
self.assertIn('VirtualEthernet0/0/0', ifs)
self.assertIn('VirtualEthernet0/0/1', ifs)
# verify they are in the dump also
if_dump = self.vapi.sw_interface_vhost_user_dump()
self.assertTrue(vhost_if1.is_interface_config_in_dump(if_dump))
self.assertTrue(vhost_if2.is_interface_config_in_dump(if_dump))
# delete VirtualEthernet0/0/1
self.logger.info("Deleting VirtualEthernet0/0/1")
vhost_if2.remove_vpp_config()
self.logger.info("Verifying VirtualEthernet0/0/1 is deleted")
ifs = self.vapi.cli("show interface")
# verify VirtualEthernet0/0/0 still in the show
self.assertIn('VirtualEthernet0/0/0', ifs)
# verify VirtualEthernet0/0/1 not in the show
self.assertNotIn('VirtualEthernet0/0/1', ifs)
# verify VirtualEthernet0/0/1 is not in the dump
if_dump = self.vapi.sw_interface_vhost_user_dump()
self.assertFalse(vhost_if2.is_interface_config_in_dump(if_dump))
# verify VirtualEthernet0/0/0 is still in the dump
self.assertTrue(vhost_if1.is_interface_config_in_dump(if_dump))
# delete VirtualEthernet0/0/0
self.logger.info("Deleting VirtualEthernet0/0/0")
vhost_if1.remove_vpp_config()
self.logger.info("Verifying VirtualEthernet0/0/0 is deleted")
# verify VirtualEthernet0/0/0 not in the show
ifs = self.vapi.cli("show interface")
self.assertNotIn('VirtualEthernet0/0/0', ifs)
# verify VirtualEthernet0/0/0 is not in the dump
if_dump = self.vapi.sw_interface_vhost_user_dump()
self.assertFalse(vhost_if1.is_interface_config_in_dump(if_dump))
def test_vhost_interface_state(self):
""" Vhost User interface states and events test """
self.vapi.want_interface_events()
# clear outstanding events
# (like delete interface events from other tests)
self.vapi.collect_events()
vhost_if = VppVhostInterface(self, sock_filename=b'/tmp/sock1')
# create vhost interface
vhost_if.add_vpp_config()
self.sleep(0.1)
events = self.vapi.collect_events()
# creating interface does now create events
self.assert_equal(len(events), 1, "number of events")
vhost_if.admin_up()
vhost_if.assert_interface_state(1, 0, expect_event=True)
vhost_if.admin_down()
vhost_if.assert_interface_state(0, 0, expect_event=True)
# delete vhost interface
vhost_if.remove_vpp_config()
event = self.vapi.wait_for_event(timeout=1)
self.assert_equal(event.sw_if_index, vhost_if.sw_if_index,
"sw_if_index")
self.assert_equal(event.deleted, 1, "deleted flag")
# verify there are no more events
events = self.vapi.collect_events()
self.assert_equal(len(events), 0, "number of events")
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
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