| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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.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.Collectors; |
| import java.util.stream.IntStream; |
| |
| /** |
| * Implementation of lambda query interface for Lumentum SDN ROADMs. |
| * |
| * Device supports 96 wavelengths of 50 GHz, between center frequencies 191.350 THz and 196.075 THz. |
| */ |
| public class LumentumSdnRoadmLambdaQuery extends AbstractHandlerBehaviour implements LambdaQuery { |
| private static final int LAMBDA_COUNT = 96; |
| |
| @Override |
| public Set<OchSignal> queryLambdas(PortNumber port) { |
| int startMultiplier = (int) (LumentumSnmpDevice.START_CENTER_FREQ.subtract(Spectrum.CENTER_FREQUENCY).asHz() |
| / Frequency.ofGHz(50).asHz()); |
| |
| return IntStream.range(0, LAMBDA_COUNT) |
| .mapToObj(x -> new OchSignal(LumentumSnmpDevice.GRID_TYPE, |
| LumentumSnmpDevice.CHANNEL_SPACING, |
| startMultiplier + x, |
| 4)) |
| .collect(Collectors.toSet()); |
| } |
| } |