| /* |
| * Copyright 2017-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.incubator.protobuf.services.nb; |
| |
| import com.google.common.annotations.Beta; |
| import io.grpc.BindableService; |
| import io.grpc.stub.StreamObserver; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.onosproject.app.ApplicationService; |
| import org.onosproject.app.ApplicationState; |
| import org.onosproject.core.Application; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.grpc.nb.app.ApplicationServiceGrpc.ApplicationServiceImplBase; |
| import org.onosproject.grpc.nb.app.ApplicationServiceNb; |
| import org.onosproject.grpc.nb.app.ApplicationServiceNb.getApplicationReply; |
| import org.onosproject.grpc.nb.app.ApplicationServiceNb.getApplicationsReply; |
| import org.onosproject.grpc.nb.app.ApplicationServiceNb.getIdReply; |
| import org.onosproject.grpc.nb.app.ApplicationServiceNb.getPermissionsReply; |
| import org.onosproject.grpc.nb.app.ApplicationServiceNb.getStateReply; |
| import org.onosproject.incubator.protobuf.models.core.ApplicationEnumsProtoTranslator; |
| import org.onosproject.incubator.protobuf.models.core.ApplicationIdProtoTranslator; |
| import org.onosproject.incubator.protobuf.models.core.ApplicationProtoTranslator; |
| import org.onosproject.incubator.protobuf.models.security.PermissionProtoTranslator; |
| import org.onosproject.protobuf.api.GrpcServiceRegistry; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * A server that provides access to the methods exposed by {@link ApplicationService}. |
| */ |
| |
| @Beta |
| @Component(immediate = true) |
| public class GrpcNbApplicationService { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected GrpcServiceRegistry registry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ApplicationService applicationService; |
| |
| private ApplicationServiceNbServerInternal instance = null; |
| |
| |
| @Activate |
| public void activate() { |
| registry.register(getInnerInstance()); |
| log.info("Started."); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| registry.unregister(getInnerInstance()); |
| log.info("Stopped"); |
| } |
| |
| /** |
| * Register Application Service, Used for unit testing purposes. |
| * |
| * @return An instance of binding Application service |
| */ |
| public InProcessServer<BindableService> registerInProcessServer() { |
| InProcessServer<BindableService> inprocessServer = |
| new InProcessServer(GrpcNbApplicationService.ApplicationServiceNbServerInternal.class); |
| inprocessServer.addServiceToBind(getInnerInstance()); |
| |
| return inprocessServer; |
| } |
| |
| private class ApplicationServiceNbServerInternal extends ApplicationServiceImplBase { |
| |
| public ApplicationServiceNbServerInternal() { |
| super(); |
| } |
| |
| @Override |
| public void getApplications(ApplicationServiceNb.getApplicationsRequest request, |
| StreamObserver<getApplicationsReply> responseObserver) { |
| getApplicationsReply.Builder replyBuilder = getApplicationsReply.newBuilder(); |
| |
| applicationService.getApplications().forEach(a -> |
| replyBuilder.addApplication(ApplicationProtoTranslator.translate(a))); |
| responseObserver.onNext(replyBuilder.build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void getId(ApplicationServiceNb.getIdRequest request, |
| StreamObserver<getIdReply> responseObserver) { |
| ApplicationId appId = applicationService.getId(request.getName()); |
| |
| responseObserver.onNext(getIdReply.newBuilder() |
| .setApplicationId(ApplicationIdProtoTranslator.translate(appId)).build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void getApplication(ApplicationServiceNb.getApplicationRequest request, |
| StreamObserver<getApplicationReply> responseObserver) { |
| |
| Application application = applicationService.getApplication( |
| ApplicationIdProtoTranslator.translate(request.getApplicationId())); |
| |
| responseObserver.onNext(getApplicationReply.newBuilder() |
| .setApplication(ApplicationProtoTranslator |
| .translate(application)).build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void getState(ApplicationServiceNb.getStateRequest request, |
| StreamObserver<getStateReply> responseObserver) { |
| ApplicationState state = applicationService.getState( |
| ApplicationIdProtoTranslator.translate(request.getApplicationId())); |
| |
| responseObserver.onNext(getStateReply |
| .newBuilder().setState(ApplicationEnumsProtoTranslator |
| .translate(state)).build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void getPermissions(ApplicationServiceNb.getPermissionsRequest request, |
| StreamObserver<getPermissionsReply> responseObserver) { |
| getPermissionsReply.Builder replyBuilder = getPermissionsReply.newBuilder(); |
| |
| applicationService.getPermissions(ApplicationIdProtoTranslator |
| .translate(request.getApplicationId())) |
| .forEach(p -> replyBuilder.addPermission( |
| PermissionProtoTranslator.translate(p))); |
| responseObserver.onNext(replyBuilder.build()); |
| responseObserver.onCompleted(); |
| } |
| } |
| |
| private ApplicationServiceNbServerInternal getInnerInstance() { |
| if (instance == null) { |
| instance = new ApplicationServiceNbServerInternal(); |
| } |
| return instance; |
| } |
| } |