| /* |
| * 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.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.onosproject.cluster.NodeId; |
| import org.onosproject.cluster.RoleInfo; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceGrpc; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.getLocalRoleReply; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.getLocalRoleRequest; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.isLocalMasterReply; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.isLocalMasterRequest; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.relinquishMastershipSyncReply; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.relinquishMastershipSyncRequest; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.requestRoleForSyncReply; |
| import org.onosproject.grpc.nb.mastership.MastershipServiceNb.requestRoleForSyncRequest; |
| import org.onosproject.incubator.protobuf.models.cluster.NodeIdProtoTranslator; |
| import org.onosproject.incubator.protobuf.models.cluster.RoleInfoProtoTranslator; |
| import org.onosproject.incubator.protobuf.models.net.MastershipRoleProtoTranslator; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.MastershipRole; |
| 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 MastershipService}. |
| */ |
| |
| @Beta |
| @Component(immediate = true) |
| public class GrpcNbMastershipService { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected GrpcServiceRegistry registry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| private MastershipServiceNbServerInternal instance = null; |
| |
| @Activate |
| public void activate() { |
| registry.register(getInnerInstance()); |
| log.info("Started."); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| registry.unregister(getInnerInstance()); |
| log.info("Stopped"); |
| } |
| |
| /** |
| * Register Mastership Service, used for unit testing purposes. |
| * |
| * @return an instance of binding Mastership service |
| */ |
| public InProcessServer<BindableService> registerInProcessServer() { |
| InProcessServer<BindableService> inprocessServer = |
| new InProcessServer(GrpcNbMastershipService.MastershipServiceNbServerInternal.class); |
| inprocessServer.addServiceToBind(getInnerInstance()); |
| |
| return inprocessServer; |
| } |
| |
| private class MastershipServiceNbServerInternal extends MastershipServiceGrpc.MastershipServiceImplBase { |
| |
| @Override |
| public void getLocalRole(getLocalRoleRequest request, |
| StreamObserver<getLocalRoleReply> responseObserver) { |
| MastershipRole mr = mastershipService.getLocalRole(DeviceId.deviceId(request.getDeviceId())); |
| |
| responseObserver.onNext(getLocalRoleReply.newBuilder() |
| .setMastershipRole(MastershipRoleProtoTranslator.translate(mr)) |
| .build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void isLocalMaster(isLocalMasterRequest request, |
| StreamObserver<isLocalMasterReply> responseObserver) { |
| boolean isLocalMaster = mastershipService.isLocalMaster(DeviceId.deviceId(request.getDeviceId())); |
| |
| responseObserver.onNext(isLocalMasterReply.newBuilder() |
| .setIsLocalMaster(isLocalMaster) |
| .build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void requestRoleForSync(requestRoleForSyncRequest request, |
| StreamObserver<requestRoleForSyncReply> responseObserver) { |
| MastershipRole mr = mastershipService.requestRoleForSync(DeviceId.deviceId(request.getDeviceId())); |
| |
| responseObserver.onNext(requestRoleForSyncReply.newBuilder() |
| .setMastershipRole(MastershipRoleProtoTranslator.translate(mr)) |
| .build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void relinquishMastershipSync(relinquishMastershipSyncRequest request, |
| StreamObserver<relinquishMastershipSyncReply> responseObserver) { |
| relinquishMastershipSyncReply.Builder replyBuilder = relinquishMastershipSyncReply.newBuilder(); |
| mastershipService.relinquishMastershipSync(DeviceId.deviceId(request.getDeviceId())); |
| |
| responseObserver.onNext(replyBuilder.build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void getMasterFor(MastershipServiceNb.getMasterForRequest request, |
| StreamObserver<MastershipServiceNb.getMasterForReply> responseObserver) { |
| NodeId nodeId = mastershipService.getMasterFor(DeviceId.deviceId(request.getDeviceId())); |
| |
| responseObserver.onNext(MastershipServiceNb.getMasterForReply.newBuilder() |
| .setNodeId(NodeIdProtoTranslator.translate(nodeId)) |
| .build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void getNodesFor(MastershipServiceNb.getNodesForRequest request, |
| StreamObserver<MastershipServiceNb.getNodesForReply> responseObserver) { |
| RoleInfo roleInfo = mastershipService.getNodesFor(DeviceId.deviceId(request.getDeviceId())); |
| |
| responseObserver.onNext(MastershipServiceNb.getNodesForReply.newBuilder() |
| .setRoleInfo(RoleInfoProtoTranslator.translate(roleInfo)) |
| .build()); |
| responseObserver.onCompleted(); |
| } |
| } |
| |
| private MastershipServiceNbServerInternal getInnerInstance() { |
| if (instance == null) { |
| instance = new MastershipServiceNbServerInternal(); |
| } |
| return instance; |
| } |
| } |