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Diffstat (limited to 'core/pktfwd_controller.py')
-rw-r--r-- | core/pktfwd_controller.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/core/pktfwd_controller.py b/core/pktfwd_controller.py new file mode 100644 index 00000000..4f300ce8 --- /dev/null +++ b/core/pktfwd_controller.py @@ -0,0 +1,68 @@ +# Copyright 2016 Intel Corporation. +# +# 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 forwarder controller for Physical to Physical deployment +""" + +import logging + +from conf import settings + + +class PktFwdController(object): + """Packet forwarder controller for P2P deployment scenario. + + Attributes: + _pktfwd_class: The packet forwarder class to be used. + _pktfwd: The packet forwarder object controlled by this controller + """ + def __init__(self, pktfwd_class): + """Initializes up the prerequisites for the P2P deployment scenario. + + :vswitch_class: the vSwitch class to be used. + """ + self._logger = logging.getLogger(__name__) + self._pktfwd_class = pktfwd_class + self._pktfwd = pktfwd_class() + self._logger.debug('Creation using ' + str(self._pktfwd_class)) + + def setup(self): + """Sets up the packet forwarder for p2p. + """ + self._logger.debug('Setup using ' + str(self._pktfwd_class)) + + try: + self._pktfwd.start() + except: + self._pktfwd.stop() + raise + + def stop(self): + """Tears down the packet forwarder created in setup(). + """ + self._logger.debug('Stop using ' + str(self._pktfwd_class)) + self._pktfwd.stop() + + def __enter__(self): + self.setup() + + def __exit__(self, type_, value, traceback): + self.stop() + + def get_pktfwd(self): + """Get the controlled packet forwarder + + :return: The controlled IPktFwd + """ + return self._pktfwd |