[ONOS-7233] Add gRPC Mastership Service with corresponding model
Change-Id: I88e07a0d1688c0baf6b8477dd55edda3a92887c5
diff --git a/incubator/protobuf/services/nb/src/main/java/org/onosproject/incubator/protobuf/services/nb/GrpcNbMastershipService.java b/incubator/protobuf/services/nb/src/main/java/org/onosproject/incubator/protobuf/services/nb/GrpcNbMastershipService.java
new file mode 100644
index 0000000..1495467
--- /dev/null
+++ b/incubator/protobuf/services/nb/src/main/java/org/onosproject/incubator/protobuf/services/nb/GrpcNbMastershipService.java
@@ -0,0 +1,167 @@
+/*
+ * 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 static 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;
+ }
+}
diff --git a/incubator/protobuf/services/nb/src/main/proto/mastership/MastershipServiceNb.proto b/incubator/protobuf/services/nb/src/main/proto/mastership/MastershipServiceNb.proto
new file mode 100644
index 0000000..6fc2705
--- /dev/null
+++ b/incubator/protobuf/services/nb/src/main/proto/mastership/MastershipServiceNb.proto
@@ -0,0 +1,64 @@
+syntax="proto3";
+option java_package = "org.onosproject.grpc.nb.mastership";
+
+package nb.mastership;
+
+import "net/MastershipRoleProto.proto";
+import "cluster/RoleInfoProto.proto";
+import "cluster/NodeIdProto.proto";
+
+message getLocalRoleRequest {
+ string device_id = 1;
+}
+
+message getLocalRoleReply {
+ .net.MastershipRoleProto mastership_role = 1;
+}
+
+message isLocalMasterRequest {
+ string device_id = 1;
+}
+
+message isLocalMasterReply {
+ bool is_local_master = 1;
+}
+
+message requestRoleForSyncRequest {
+ string device_id = 1;
+}
+
+message requestRoleForSyncReply {
+ .net.MastershipRoleProto mastership_role = 1;
+}
+
+message relinquishMastershipSyncRequest {
+ string device_id = 1;
+}
+
+message relinquishMastershipSyncReply {
+}
+
+message getMasterForRequest {
+ string device_id = 1;
+}
+
+message getMasterForReply {
+ .cluster.NodeIdProto node_id = 1;
+}
+
+message getNodesForRequest {
+ string device_id = 1;
+}
+
+message getNodesForReply {
+ .cluster.RoleInfoProto role_info = 1;
+}
+
+service MastershipService {
+ rpc getLocalRole(getLocalRoleRequest) returns (getLocalRoleReply) {}
+ rpc isLocalMaster(isLocalMasterRequest) returns (isLocalMasterReply) {}
+ rpc requestRoleForSync(requestRoleForSyncRequest) returns (requestRoleForSyncReply) {}
+ rpc relinquishMastershipSync(relinquishMastershipSyncRequest) returns (relinquishMastershipSyncReply) {}
+ rpc getMasterFor(getMasterForRequest) returns (getMasterForReply) {}
+ rpc getNodesFor(getNodesForRequest) returns (getNodesForReply) {}
+}
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