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# Copyright (c) 2015 Intel Research and Development Ireland Ltd.
#
# 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.

from __future__ import absolute_import
import abc


class BasePacketGenerator:

    def __init__(self):
        pass

    @abc.abstractmethod
    def send_traffic(self):
        """
        Starts the traffic generation.
        According to the specific packet generator it requires prior
        initialization
        :return: None
        """
        raise NotImplementedError("Subclass must implement abstract method")