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# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Vhost-user interfaces library."""
from resources.libraries.python.VatExecutor import VatExecutor
class VhostUser(object):
"""Vhost-user interfaces"""
@staticmethod
def vpp_create_vhost_user_interface(node, socket):
"""Create Vhost-user interface on VPP node.
:param node: Node to create Vhost-user interface on.
:param socket: Vhost-user interface socket path.
:type node: dict
:type socket: str
:return: SW interface index.
:rtype: int
"""
out = VatExecutor.cmd_from_template(node, "create_vhost_user_if.vat",
sock=socket)
if out[0].get('retval') == 0:
return out[0].get('sw_if_index')
else:
raise RuntimeError('Create Vhost-user interface failed on node '
'"{}"'.format(node['host']))
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