| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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. |
| */ |
| package org.onosproject.drivers.lumentum; |
| |
| import org.onlab.util.Frequency; |
| import org.onlab.util.Spectrum; |
| import org.onosproject.net.ChannelSpacing; |
| import org.onosproject.net.GridType; |
| import org.onosproject.net.OchSignal; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.LambdaQuery; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| |
| import java.util.Set; |
| import java.util.stream.IntStream; |
| import java.util.stream.Collectors; |
| import com.google.common.collect.Sets; |
| |
| /** |
| * Implementation of lambda query interface for Lumentum ROADMs. |
| * |
| * Tested on both Lumentum SDN ROADM and Lumentum ROADM-A Whitebox. |
| * |
| * 96 OchSignals of 50 GHz, center frequencies range 191.350 - 196.100 THz. |
| * 48 OchSignals of 100 GHz, center frequencies 191.375 - 196.075 THz |
| */ |
| public class LumentumRoadmLambdaQuery extends AbstractHandlerBehaviour implements LambdaQuery { |
| |
| |
| public static final GridType GRID_TYPE = GridType.DWDM; |
| |
| public static final ChannelSpacing CHANNEL_SPACING_50 = ChannelSpacing.CHL_50GHZ; |
| public static final Frequency START_CENTER_FREQ_50 = Frequency.ofGHz(191_350); |
| public static final Frequency END_CENTER_FREQ_50 = Frequency.ofGHz(196_100); |
| private static final int LAMBDA_COUNT_50 = 96; |
| |
| public static final ChannelSpacing CHANNEL_SPACING_100 = ChannelSpacing.CHL_100GHZ; |
| public static final Frequency START_CENTER_FREQ_100 = Frequency.ofGHz(191_375); |
| public static final Frequency END_CENTER_FREQ_100 = Frequency.ofGHz(196_075); |
| private static final int LAMBDA_COUNT_100 = 48; |
| |
| @Override |
| public Set<OchSignal> queryLambdas(PortNumber port) { |
| |
| //Complete set of 50GHz OchSignal |
| int startMultiplier50 = (int) (START_CENTER_FREQ_50.subtract(Spectrum.CENTER_FREQUENCY).asHz() |
| / Frequency.ofGHz(50).asHz()); |
| |
| Set<OchSignal> channels50 = IntStream.range(0, LAMBDA_COUNT_50) |
| .mapToObj(x -> new OchSignal(GRID_TYPE, CHANNEL_SPACING_50, |
| startMultiplier50 + x, |
| 4)) |
| .collect(Collectors.toSet()); |
| |
| //Complete set of 100GHz OchSignal |
| int startMultiplier100 = (int) (START_CENTER_FREQ_100.subtract(Spectrum.CENTER_FREQUENCY).asHz() |
| / Frequency.ofGHz(100).asHz()); |
| |
| Set<OchSignal> channels100 = IntStream.range(0, LAMBDA_COUNT_100) |
| .mapToObj(x -> new OchSignal(GRID_TYPE, |
| CHANNEL_SPACING_100, startMultiplier100 + x, 8)) |
| .collect(Collectors.toSet()); |
| |
| Set<OchSignal> channels = Sets.union(channels50, channels100); |
| |
| return channels; |
| } |
| } |
| |
| |