Frank Wang | caef314 | 2017-08-09 15:24:45 +0800 | [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 | |
| 17 | package org.onosproject.incubator.protobuf.services.nb; |
| 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.cfg.ComponentConfigService; |
| 28 | import org.onosproject.incubator.protobuf.models.cfg.ConfigPropertyProtoTranslator; |
| 29 | import org.onosproject.protobuf.api.GrpcServiceRegistry; |
| 30 | import org.slf4j.Logger; |
| 31 | |
| 32 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceGrpc.ComponentConfigServiceImplBase; |
| 33 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.getComponentNamesRequest; |
| 34 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.getComponentNamesReply; |
| 35 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.registerPropertiesRequest; |
| 36 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.registerPropertiesReply; |
| 37 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.unregisterPropertiesRequest; |
| 38 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.unregisterPropertiesReply; |
| 39 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.getPropertiesRequest; |
| 40 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.getPropertiesReply; |
| 41 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.setPropertyRequest; |
| 42 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.setPropertyReply; |
| 43 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.preSetPropertyRequest; |
| 44 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.preSetPropertyReply; |
| 45 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.unsetPropertyRequest; |
| 46 | import static org.onosproject.grpc.nb.cfg.ComponentConfigServiceNb.unsetPropertyReply; |
| 47 | import static org.slf4j.LoggerFactory.getLogger; |
| 48 | |
| 49 | |
| 50 | /** |
| 51 | * A server that provides access to the methods exposed by {@link ComponentConfigService}. |
| 52 | */ |
| 53 | @Beta |
| 54 | @Component(immediate = true) |
| 55 | public class GrpcNbComponentConfigService { |
| 56 | |
| 57 | private final Logger log = getLogger(getClass()); |
| 58 | |
| 59 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 60 | protected GrpcServiceRegistry registry; |
| 61 | |
| 62 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 63 | protected ComponentConfigService componentConfigService; |
| 64 | |
| 65 | private static ComponentConfigServiceNbServerInternal instance = null; |
| 66 | |
| 67 | @Activate |
| 68 | public void activate() { |
| 69 | |
| 70 | registry.register(getInnerInstance()); |
| 71 | log.info("Started."); |
| 72 | } |
| 73 | |
| 74 | @Deactivate |
| 75 | public void deactivate() { |
| 76 | |
| 77 | registry.unregister(getInnerInstance()); |
| 78 | log.info("Stopped"); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Register ComponentConfig Service, Used for unit testing purposes. |
| 83 | * |
| 84 | * @return An instance of binding ComponentConfig service |
| 85 | */ |
| 86 | public InProcessServer<BindableService> registerInProcessServer() { |
| 87 | InProcessServer<BindableService> inprocessServer = |
| 88 | new InProcessServer(ComponentConfigServiceNbServerInternal.class); |
| 89 | inprocessServer.addServiceToBind(getInnerInstance()); |
| 90 | |
| 91 | return inprocessServer; |
| 92 | } |
| 93 | |
| 94 | private final class ComponentConfigServiceNbServerInternal extends ComponentConfigServiceImplBase { |
| 95 | |
| 96 | private ComponentConfigServiceNbServerInternal() { |
| 97 | super(); |
| 98 | } |
| 99 | |
| 100 | @Override |
| 101 | public void getComponentNames(getComponentNamesRequest request, |
| 102 | StreamObserver<getComponentNamesReply> responseObserver) { |
| 103 | |
| 104 | getComponentNamesReply.Builder replyBuilder = getComponentNamesReply.newBuilder(); |
| 105 | |
| 106 | componentConfigService.getComponentNames().forEach(n -> replyBuilder.addNames(n)); |
| 107 | responseObserver.onNext(replyBuilder.build()); |
| 108 | responseObserver.onCompleted(); |
| 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public void registerProperties(registerPropertiesRequest request, |
| 113 | StreamObserver<registerPropertiesReply> responseObserver) { |
| 114 | |
| 115 | try { |
| 116 | componentConfigService.registerProperties(Class.forName(request.getComponentClass())); |
| 117 | responseObserver.onNext(registerPropertiesReply.getDefaultInstance()); |
| 118 | responseObserver.onCompleted(); |
| 119 | } catch (ClassNotFoundException e) { |
| 120 | responseObserver.onError(e); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | @Override |
| 125 | public void unregisterProperties(unregisterPropertiesRequest request, |
| 126 | StreamObserver<unregisterPropertiesReply> responseObserver) { |
| 127 | |
| 128 | try { |
| 129 | componentConfigService.unregisterProperties(Class.forName(request.getComponentClass()), |
| 130 | request.getClear()); |
| 131 | responseObserver.onNext(unregisterPropertiesReply.getDefaultInstance()); |
| 132 | responseObserver.onCompleted(); |
| 133 | } catch (ClassNotFoundException e) { |
| 134 | responseObserver.onError(e); |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public void getProperties(getPropertiesRequest request, StreamObserver<getPropertiesReply> responseObserver) { |
| 140 | |
| 141 | getPropertiesReply.Builder replyBuilder = getPropertiesReply.newBuilder(); |
| 142 | |
| 143 | componentConfigService.getProperties(request.getComponentName()) |
| 144 | .forEach(n -> replyBuilder.addConfigProperties(ConfigPropertyProtoTranslator.translate(n))); |
| 145 | responseObserver.onNext(replyBuilder.build()); |
| 146 | responseObserver.onCompleted(); |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public void setProperty(setPropertyRequest request, StreamObserver<setPropertyReply> responseObserver) { |
| 151 | |
| 152 | componentConfigService.setProperty(request.getComponentName(), request.getName(), request.getValue()); |
| 153 | responseObserver.onNext(setPropertyReply.getDefaultInstance()); |
| 154 | responseObserver.onCompleted(); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public void preSetProperty(preSetPropertyRequest request, |
| 159 | StreamObserver<preSetPropertyReply> responseObserver) { |
| 160 | |
| 161 | componentConfigService.preSetProperty(request.getComponentName(), request.getName(), request.getValue()); |
| 162 | responseObserver.onNext(preSetPropertyReply.getDefaultInstance()); |
| 163 | responseObserver.onCompleted(); |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public void unsetProperty(unsetPropertyRequest request, StreamObserver<unsetPropertyReply> responseObserver) { |
| 168 | |
| 169 | componentConfigService.unsetProperty(request.getComponentName(), request.getName()); |
| 170 | responseObserver.onNext(unsetPropertyReply.getDefaultInstance()); |
| 171 | responseObserver.onCompleted(); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | private ComponentConfigServiceNbServerInternal getInnerInstance() { |
| 176 | if (instance == null) { |
| 177 | instance = new ComponentConfigServiceNbServerInternal(); |
| 178 | } |
| 179 | return instance; |
| 180 | } |
| 181 | } |