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# Copyright (c) 2019 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.
"""Packet trace library."""
from resources.libraries.python.PapiExecutor import PapiSocketExecutor
from resources.libraries.python.topology import NodeType
class Trace:
"""This class provides methods to manipulate the VPP packet trace."""
@staticmethod
def show_packet_trace_on_all_duts(nodes, maximum=None):
"""Show VPP packet trace.
:param nodes: Nodes from which the packet trace will be displayed.
:param maximum: Maximum number of packet traces to be displayed.
:type nodes: dict
:type maximum: int
"""
maximum = f"max {maximum}" if maximum is not None else f""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
PapiSocketExecutor.run_cli_cmd(node, f"show trace {maximum}")
@staticmethod
def clear_packet_trace_on_all_duts(nodes):
"""Clear VPP packet trace.
:param nodes: Nodes where the packet trace will be cleared.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
PapiSocketExecutor.run_cli_cmd(node, u"clear trace")
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