shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [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; |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 18 | |
| 19 | import com.google.common.annotations.Beta; |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 20 | import io.grpc.BindableService; |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 21 | import io.grpc.stub.StreamObserver; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 22 | import org.osgi.service.component.annotations.Activate; |
| 23 | import org.osgi.service.component.annotations.Component; |
| 24 | import org.osgi.service.component.annotations.Deactivate; |
| 25 | import org.osgi.service.component.annotations.Reference; |
| 26 | import org.osgi.service.component.annotations.ReferenceCardinality; |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 27 | import org.onosproject.grpc.nb.net.region.RegionServiceGrpc.RegionServiceImplBase; |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 28 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionDevicesReply; |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 29 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionDevicesRequest; |
| 30 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionForDeviceReply; |
| 31 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionForDeviceRequest; |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 32 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionHostsReply; |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 33 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionHostsRequest; |
| 34 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionReply; |
| 35 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionRequest; |
| 36 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionsReply; |
| 37 | import org.onosproject.grpc.nb.net.region.RegionServiceNb.getRegionsRequest; |
| 38 | import org.onosproject.incubator.protobuf.models.net.RegionProtoTranslator; |
| 39 | import org.onosproject.net.DeviceId; |
| 40 | import org.onosproject.net.region.Region; |
| 41 | import org.onosproject.net.region.RegionId; |
| 42 | import org.onosproject.net.region.RegionService; |
| 43 | import org.onosproject.protobuf.api.GrpcServiceRegistry; |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 44 | import org.slf4j.Logger; |
| 45 | |
| 46 | import static org.slf4j.LoggerFactory.getLogger; |
| 47 | |
| 48 | /** |
| 49 | * A server that provides access to the methods exposed by {@link RegionService}. |
| 50 | */ |
| 51 | @Beta |
| 52 | @Component(immediate = true) |
| 53 | public class GrpcNbRegionService { |
| 54 | |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 55 | private final Logger log = getLogger(getClass()); |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 56 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 57 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 58 | protected GrpcServiceRegistry registry; |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 59 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 60 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 61 | protected RegionService regionService; |
| 62 | |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 63 | private RegionServiceNbServerInternal innerClassInstance = null; |
| 64 | |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 65 | @Activate |
| 66 | public void activate() { |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 67 | |
| 68 | registry.register(getInnerClassInstance()); |
| 69 | log.info("Started."); |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | @Deactivate |
| 73 | public void deactivate() { |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 74 | |
| 75 | registry.unregister(getInnerClassInstance()); |
| 76 | log.info("Stopped."); |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 77 | } |
| 78 | |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 79 | /** |
| 80 | * Register Region Service, used for unit testing purposes. |
| 81 | * |
| 82 | * @return An instance of binding Region service |
| 83 | */ |
| 84 | public InProcessServer<BindableService> registerInProcessServer() { |
| 85 | InProcessServer<BindableService> inprocessServer = |
| 86 | new InProcessServer(GrpcNbRegionService.RegionServiceNbServerInternal.class); |
| 87 | inprocessServer.addServiceToBind(getInnerClassInstance()); |
| 88 | |
| 89 | return inprocessServer; |
| 90 | } |
| 91 | |
| 92 | private final class RegionServiceNbServerInternal extends RegionServiceImplBase { |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 93 | /** |
| 94 | * Service for interacting with inventory of network control regions. |
| 95 | */ |
| 96 | @Override |
| 97 | public void getRegions(getRegionsRequest request, |
| 98 | StreamObserver<getRegionsReply> responseObserver) { |
| 99 | getRegionsReply.Builder builder = getRegionsReply.newBuilder(); |
| 100 | regionService.getRegions().forEach(r -> { |
| 101 | builder.addRegion(RegionProtoTranslator.translate(r)); |
| 102 | }); |
| 103 | responseObserver.onNext(builder.build()); |
| 104 | responseObserver.onCompleted(); |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public void getRegion(getRegionRequest request, |
| 109 | StreamObserver<getRegionReply> responseObserver) { |
| 110 | RegionId regionId = RegionId.regionId(request.getRegionId()); |
| 111 | Region region = regionService.getRegion(regionId); |
| 112 | |
| 113 | getRegionReply reply = getRegionReply.newBuilder() |
| 114 | .setRegion(RegionProtoTranslator.translate(region)).build(); |
| 115 | |
| 116 | responseObserver.onNext(reply); |
| 117 | responseObserver.onCompleted(); |
| 118 | } |
| 119 | |
| 120 | @Override |
| 121 | public void getRegionForDevice(getRegionForDeviceRequest request, |
| 122 | StreamObserver<getRegionForDeviceReply> responseObserver) { |
| 123 | DeviceId deviceId = DeviceId.deviceId(request.getDeviceId()); |
| 124 | Region region = regionService.getRegionForDevice(deviceId); |
| 125 | |
| 126 | getRegionForDeviceReply reply = getRegionForDeviceReply.newBuilder() |
| 127 | .setRegion(RegionProtoTranslator.translate(region)).build(); |
| 128 | |
| 129 | responseObserver.onNext(reply); |
| 130 | responseObserver.onCompleted(); |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public void getRegionDevices(getRegionDevicesRequest request, |
| 135 | StreamObserver<getRegionDevicesReply> responseObserver) { |
| 136 | RegionId regionId = RegionId.regionId(request.getRegionId()); |
| 137 | getRegionDevicesReply.Builder builder = getRegionDevicesReply.newBuilder(); |
| 138 | |
| 139 | regionService.getRegionDevices(regionId).forEach(d -> { |
| 140 | builder.addDeviceId(d.toString()); |
| 141 | }); |
| 142 | |
| 143 | responseObserver.onNext(builder.build()); |
| 144 | responseObserver.onCompleted(); |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public void getRegionHosts(getRegionHostsRequest request, |
| 149 | StreamObserver<getRegionHostsReply> responseObserver) { |
| 150 | RegionId regionId = RegionId.regionId(request.getRegionId()); |
| 151 | getRegionHostsReply.Builder builder = getRegionHostsReply.newBuilder(); |
| 152 | |
| 153 | regionService.getRegionHosts(regionId).forEach(h -> { |
| 154 | builder.addHostId(h.toString()); |
| 155 | }); |
| 156 | |
| 157 | responseObserver.onNext(builder.build()); |
| 158 | responseObserver.onCompleted(); |
| 159 | } |
| 160 | } |
| 161 | |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 162 | private RegionServiceNbServerInternal getInnerClassInstance() { |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 163 | if (innerClassInstance == null) { |
Jian Li | c20272e | 2017-10-20 17:50:01 +0900 | [diff] [blame] | 164 | innerClassInstance = new RegionServiceNbServerInternal(); |
shivani vaidya | 530917c | 2017-07-11 11:27:48 -0700 | [diff] [blame] | 165 | } |
| 166 | return innerClassInstance; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | |
| 171 | |
| 172 | |
| 173 | |
| 174 | |
| 175 | |