Jian Li | f5cebc1 | 2017-11-21 17:08:17 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.incubator.protobuf.services.nb; |
| 17 | |
| 18 | |
| 19 | import com.google.common.annotations.Beta; |
| 20 | import io.grpc.BindableService; |
| 21 | import io.grpc.stub.StreamObserver; |
| 22 | import org.apache.felix.scr.annotations.Activate; |
| 23 | import org.apache.felix.scr.annotations.Component; |
| 24 | import org.apache.felix.scr.annotations.Deactivate; |
| 25 | import org.apache.felix.scr.annotations.Reference; |
| 26 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 27 | import org.onosproject.cluster.NodeId; |
| 28 | import org.onosproject.cluster.RoleInfo; |
| 29 | import org.onosproject.grpc.nb.mastership.MastershipServiceGrpc; |
| 30 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb; |
| 31 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.getLocalRoleReply; |
| 32 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.getLocalRoleRequest; |
| 33 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.isLocalMasterReply; |
| 34 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.isLocalMasterRequest; |
| 35 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.relinquishMastershipSyncReply; |
| 36 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.relinquishMastershipSyncRequest; |
| 37 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.requestRoleForSyncReply; |
| 38 | import org.onosproject.grpc.nb.mastership.MastershipServiceNb.requestRoleForSyncRequest; |
| 39 | import org.onosproject.incubator.protobuf.models.cluster.NodeIdProtoTranslator; |
| 40 | import org.onosproject.incubator.protobuf.models.cluster.RoleInfoProtoTranslator; |
| 41 | import org.onosproject.incubator.protobuf.models.net.MastershipRoleProtoTranslator; |
| 42 | import org.onosproject.mastership.MastershipService; |
| 43 | import org.onosproject.net.DeviceId; |
| 44 | import org.onosproject.net.MastershipRole; |
| 45 | import org.onosproject.protobuf.api.GrpcServiceRegistry; |
| 46 | import org.slf4j.Logger; |
| 47 | |
| 48 | import static org.slf4j.LoggerFactory.getLogger; |
| 49 | |
| 50 | /** |
| 51 | * A server that provides access to the methods exposed by {@link MastershipService}. |
| 52 | */ |
| 53 | |
| 54 | @Beta |
| 55 | @Component(immediate = true) |
| 56 | public class GrpcNbMastershipService { |
| 57 | |
| 58 | private final Logger log = getLogger(getClass()); |
| 59 | |
| 60 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 61 | protected GrpcServiceRegistry registry; |
| 62 | |
| 63 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 64 | protected MastershipService mastershipService; |
| 65 | |
Ray Milkey | 06297ed | 2018-01-22 17:13:41 -0800 | [diff] [blame^] | 66 | private MastershipServiceNbServerInternal instance = null; |
Jian Li | f5cebc1 | 2017-11-21 17:08:17 +0900 | [diff] [blame] | 67 | |
| 68 | @Activate |
| 69 | public void activate() { |
| 70 | registry.register(getInnerInstance()); |
| 71 | log.info("Started."); |
| 72 | } |
| 73 | |
| 74 | @Deactivate |
| 75 | public void deactivate() { |
| 76 | registry.unregister(getInnerInstance()); |
| 77 | log.info("Stopped"); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Register Mastership Service, used for unit testing purposes. |
| 82 | * |
| 83 | * @return an instance of binding Mastership service |
| 84 | */ |
| 85 | public InProcessServer<BindableService> registerInProcessServer() { |
| 86 | InProcessServer<BindableService> inprocessServer = |
| 87 | new InProcessServer(GrpcNbMastershipService.MastershipServiceNbServerInternal.class); |
| 88 | inprocessServer.addServiceToBind(getInnerInstance()); |
| 89 | |
| 90 | return inprocessServer; |
| 91 | } |
| 92 | |
| 93 | private class MastershipServiceNbServerInternal extends MastershipServiceGrpc.MastershipServiceImplBase { |
| 94 | |
| 95 | @Override |
| 96 | public void getLocalRole(getLocalRoleRequest request, |
| 97 | StreamObserver<getLocalRoleReply> responseObserver) { |
| 98 | MastershipRole mr = mastershipService.getLocalRole(DeviceId.deviceId(request.getDeviceId())); |
| 99 | |
| 100 | responseObserver.onNext(getLocalRoleReply.newBuilder() |
| 101 | .setMastershipRole(MastershipRoleProtoTranslator.translate(mr)) |
| 102 | .build()); |
| 103 | responseObserver.onCompleted(); |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public void isLocalMaster(isLocalMasterRequest request, |
| 108 | StreamObserver<isLocalMasterReply> responseObserver) { |
| 109 | boolean isLocalMaster = mastershipService.isLocalMaster(DeviceId.deviceId(request.getDeviceId())); |
| 110 | |
| 111 | responseObserver.onNext(isLocalMasterReply.newBuilder() |
| 112 | .setIsLocalMaster(isLocalMaster) |
| 113 | .build()); |
| 114 | responseObserver.onCompleted(); |
| 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public void requestRoleForSync(requestRoleForSyncRequest request, |
| 119 | StreamObserver<requestRoleForSyncReply> responseObserver) { |
| 120 | MastershipRole mr = mastershipService.requestRoleForSync(DeviceId.deviceId(request.getDeviceId())); |
| 121 | |
| 122 | responseObserver.onNext(requestRoleForSyncReply.newBuilder() |
| 123 | .setMastershipRole(MastershipRoleProtoTranslator.translate(mr)) |
| 124 | .build()); |
| 125 | responseObserver.onCompleted(); |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public void relinquishMastershipSync(relinquishMastershipSyncRequest request, |
| 130 | StreamObserver<relinquishMastershipSyncReply> responseObserver) { |
| 131 | relinquishMastershipSyncReply.Builder replyBuilder = relinquishMastershipSyncReply.newBuilder(); |
| 132 | mastershipService.relinquishMastershipSync(DeviceId.deviceId(request.getDeviceId())); |
| 133 | |
| 134 | responseObserver.onNext(replyBuilder.build()); |
| 135 | responseObserver.onCompleted(); |
| 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public void getMasterFor(MastershipServiceNb.getMasterForRequest request, |
| 140 | StreamObserver<MastershipServiceNb.getMasterForReply> responseObserver) { |
| 141 | NodeId nodeId = mastershipService.getMasterFor(DeviceId.deviceId(request.getDeviceId())); |
| 142 | |
| 143 | responseObserver.onNext(MastershipServiceNb.getMasterForReply.newBuilder() |
| 144 | .setNodeId(NodeIdProtoTranslator.translate(nodeId)) |
| 145 | .build()); |
| 146 | responseObserver.onCompleted(); |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public void getNodesFor(MastershipServiceNb.getNodesForRequest request, |
| 151 | StreamObserver<MastershipServiceNb.getNodesForReply> responseObserver) { |
| 152 | RoleInfo roleInfo = mastershipService.getNodesFor(DeviceId.deviceId(request.getDeviceId())); |
| 153 | |
| 154 | responseObserver.onNext(MastershipServiceNb.getNodesForReply.newBuilder() |
| 155 | .setRoleInfo(RoleInfoProtoTranslator.translate(roleInfo)) |
| 156 | .build()); |
| 157 | responseObserver.onCompleted(); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | private MastershipServiceNbServerInternal getInnerInstance() { |
| 162 | if (instance == null) { |
| 163 | instance = new MastershipServiceNbServerInternal(); |
| 164 | } |
| 165 | return instance; |
| 166 | } |
| 167 | } |