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# Copyright 2020 Spirent Communications, University Of Delhi.
#
# 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.
"""
Interface for POD
"""
#import time
#import pexpect
from tools import tasks
class IPod(tasks.Process):
"""
Interface for POD
Inheriting from Process helps in managing system process.
execute a command, wait, kill, etc.
"""
_number_pods = 0
def __init__(self):
"""
Initialization Method
"""
self._number = IPod._number_pods
self._logger.debug('Initializing %s. Pod with index %s',
self._number + 1, self._number)
IPod._number_pods = IPod._number_pods + 1
self._log_prefix = 'pod_%d_cmd : ' % self._number
# raise NotImplementedError()
def create(self):
"""
Start the Pod
"""
raise NotImplementedError()
def terminate(self):
"""
Stop the Pod
"""
raise NotImplementedError()
@staticmethod
def reset_pod_counter():
"""
Reset internal POD counter
This method is static
"""
IPod._number_pods = 0
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