| /* |
| * 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.optical; |
| |
| import com.google.common.annotations.Beta; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.link.LinkDescription; |
| import org.onosproject.net.link.LinkProvider; |
| import org.onosproject.net.link.LinkProviderRegistry; |
| import org.onosproject.net.link.LinkProviderService; |
| import org.onosproject.net.provider.ProviderId; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| |
| /** |
| * Interface to allow for optical device drivers to add/remove links to |
| * the store. Acts as a proxy to LinkProviderService. |
| * |
| * Registers a dummy LinkProvider to get an instance of LinkProviderService. |
| */ |
| @Beta |
| @Component(immediate = true) |
| @Service |
| public class OpticalAdjacencyLinkManager implements OpticalAdjacencyLinkService { |
| |
| private static final ProviderId PID = |
| new ProviderId("of", "org.onosproject.drivers.optical"); |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private LinkProvider linkProvider = new StubLinkProvider(); |
| private LinkProviderService linkProviderService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected LinkProviderRegistry linkProviderRegistry; |
| |
| @Activate |
| public void activate() { |
| linkProviderService = linkProviderRegistry.register(linkProvider); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| linkProviderRegistry.unregister(linkProvider); |
| log.info("Stopped"); |
| } |
| |
| /** |
| * Signals that an infrastructure link has been detected. |
| * |
| * @param linkDescription link information |
| */ |
| @Override |
| public void linkDetected(LinkDescription linkDescription) { |
| linkProviderService.linkDetected(linkDescription); |
| } |
| |
| /** |
| * Signals that an infrastructure link has disappeared. |
| * |
| * @param linkDescription link information |
| */ |
| @Override |
| public void linkVanished(LinkDescription linkDescription) { |
| linkProviderService.linkVanished(linkDescription); |
| } |
| |
| /** |
| * Signals that infrastructure links associated with the specified |
| * connect point have vanished. |
| * |
| * @param connectPoint connect point |
| */ |
| @Override |
| public void linksVanished(ConnectPoint connectPoint) { |
| linkProviderService.linksVanished(connectPoint); |
| } |
| |
| /** |
| * Signals that infrastructure links associated with the specified |
| * device have vanished. |
| * |
| * @param deviceId device identifier |
| */ |
| @Override |
| public void linksVanished(DeviceId deviceId) { |
| linkProviderService.linksVanished(deviceId); |
| } |
| |
| // Stub provider used to get LinkProviderService |
| private static final class StubLinkProvider implements LinkProvider { |
| @Override |
| public ProviderId id() { |
| return PID; |
| } |
| } |
| } |