| # |
| # Copyright 2018 the original author or authors. |
| # |
| # 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 structlog |
| from twisted.internet.defer import inlineCallbacks, returnValue, succeed |
| |
| |
| NONE = 0 |
| BEST_EFFORT_SHARING = 1 |
| NON_ASSURED_SHARING = 2 # Should match xpon.py values |
| DEFAULT = NONE |
| |
| |
| class OnuTrafficDescriptor(object): |
| """ |
| Broadcom ONU specific implementation |
| """ |
| def __init__(self, fixed, assured, maximum, |
| additional=DEFAULT, |
| best_effort=None, |
| name=None): |
| |
| self.log = structlog.get_logger(fixed=fixed, assured=assured, maximum=maximum, additional=additional) |
| |
| self.name = name |
| self.fixed_bandwidth = fixed # bps |
| self.assured_bandwidth = assured # bps |
| self.maximum_bandwidth = maximum # bps |
| self.additional_bandwidth_eligibility = additional |
| |
| self.best_effort = best_effort if additional == BEST_EFFORT_SHARING else None |
| |
| |
| @staticmethod |
| def to_string(value): |
| return { |
| NON_ASSURED_SHARING: "non-assured-sharing", |
| BEST_EFFORT_SHARING: "best-effort-sharing", |
| NONE: "none" |
| }.get(value, "unknown") |
| |
| |
| @staticmethod |
| def from_value(value): |
| return { |
| 0: NONE, |
| 1: BEST_EFFORT_SHARING, |
| 2: NON_ASSURED_SHARING, |
| }.get(value, DEFAULT) |
| |
| |
| def __str__(self): |
| return "OnuTrafficDescriptor: {}, {}/{}/{}".format(self.name, |
| self.fixed_bandwidth, |
| self.assured_bandwidth, |
| self.maximum_bandwidth) |
| |
| def to_dict(self): |
| val = { |
| 'fixed-bandwidth': self.fixed_bandwidth, |
| 'assured-bandwidth': self.assured_bandwidth, |
| 'maximum-bandwidth': self.maximum_bandwidth, |
| 'additional-bandwidth-eligibility': OnuTrafficDescriptor.to_string(self.additional_bandwidth_eligibility) |
| } |
| return val |
| |
| |
| @staticmethod |
| def create(traffic_disc): |
| |
| additional = OnuTrafficDescriptor.from_value( |
| traffic_disc['additional-bw-eligibility-indicator']) |
| |
| # TODO: this is all stub code. Doesnt do anything yet. tech profiles will likely make this clearer |
| best_effort = None |
| |
| return OnuTrafficDescriptor(traffic_disc['fixed-bandwidth'], |
| traffic_disc['assured-bandwidth'], |
| traffic_disc['maximum-bandwidth'], |
| name=traffic_disc['name'], |
| best_effort=best_effort, |
| additional=additional) |
| |
| @inlineCallbacks |
| def add_to_hardware(self, omci): |
| results = succeed('TODO: Implement me') |
| returnValue(results) |
| |
| |
| |