| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.dubbo.rpc.protocol.grpc; |
| |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.common.extension.ExtensionLoader; |
| import org.apache.dubbo.common.utils.NetUtils; |
| import org.apache.dubbo.config.ReferenceConfigBase; |
| import org.apache.dubbo.rpc.Protocol; |
| import org.apache.dubbo.rpc.ProxyFactory; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| import org.apache.dubbo.rpc.model.AsyncMethodInfo; |
| import org.apache.dubbo.rpc.model.ConsumerModel; |
| import org.apache.dubbo.rpc.model.ModuleServiceRepository; |
| import org.apache.dubbo.rpc.model.ServiceDescriptor; |
| import org.apache.dubbo.rpc.model.ServiceMetadata; |
| import org.apache.dubbo.rpc.protocol.grpc.support.DubboGreeterGrpc; |
| import org.apache.dubbo.rpc.protocol.grpc.support.GrpcGreeterImpl; |
| import org.apache.dubbo.rpc.protocol.grpc.support.HelloReply; |
| import org.apache.dubbo.rpc.protocol.grpc.support.HelloRequest; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| import io.grpc.stub.StreamObserver; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.Test; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| public class GrpcProtocolTest { |
| private Protocol protocol = ExtensionLoader.getExtensionLoader(Protocol.class).getAdaptiveExtension(); |
| private ProxyFactory proxy = ExtensionLoader.getExtensionLoader(ProxyFactory.class).getAdaptiveExtension(); |
| |
| @Test |
| public void testDemoProtocol() throws Exception { |
| DubboGreeterGrpc.IGreeter serviceImpl = new GrpcGreeterImpl(); |
| |
| int availablePort = NetUtils.getAvailablePort(); |
| |
| URL url = URL.valueOf("grpc://127.0.0.1:" + availablePort + "/" + DubboGreeterGrpc.IGreeter.class.getName()); |
| |
| ModuleServiceRepository serviceRepository = ApplicationModel.defaultModel().getDefaultModule().getServiceRepository(); |
| ServiceDescriptor serviceDescriptor = serviceRepository.registerService(DubboGreeterGrpc.IGreeter.class); |
| serviceRepository.registerProvider( |
| url.getServiceKey(), |
| serviceImpl, |
| serviceDescriptor, |
| null, |
| new ServiceMetadata() |
| ); |
| |
| |
| MockReferenceConfig mockReferenceConfig = new MockReferenceConfig(); |
| mockReferenceConfig.setInterface(DubboGreeterGrpc.IGreeter.class); |
| |
| ServiceMetadata serviceMetadata = new ServiceMetadata(); |
| serviceMetadata.setServiceKey(URL.buildKey(DubboGreeterGrpc.IGreeter.class.getName(), null, null)); |
| |
| Map<String, AsyncMethodInfo> methodConfigs = new HashMap<>(); |
| ConsumerModel consumerModel = new ConsumerModel(serviceMetadata.getServiceKey(), null, serviceDescriptor, |
| serviceMetadata, methodConfigs, mockReferenceConfig.getInterfaceClassLoader()); |
| |
| ApplicationModel.defaultModel().getDefaultModule().getServiceRepository().registerConsumer(consumerModel); |
| |
| url = url.setServiceModel(consumerModel); |
| protocol.export(proxy.getInvoker(serviceImpl, DubboGreeterGrpc.IGreeter.class, url)); |
| serviceImpl = proxy.getProxy(protocol.refer(DubboGreeterGrpc.IGreeter.class, url)); |
| |
| HelloReply hello = serviceImpl.sayHello(HelloRequest.newBuilder().setName("World").build()); |
| Assertions.assertEquals("Hello World", hello.getMessage()); |
| |
| ListenableFuture<HelloReply> future = serviceImpl.sayHelloAsync(HelloRequest.newBuilder().setName("World").build()); |
| Assertions.assertEquals("Hello World", future.get().getMessage()); |
| CountDownLatch latch = new CountDownLatch(1); |
| serviceImpl.sayHello(HelloRequest.newBuilder().setName("World").build(), new StreamObserver<HelloReply>() { |
| |
| @Override |
| public void onNext(HelloReply helloReply) { |
| Assertions.assertEquals("Hello World", helloReply.getMessage()); |
| } |
| |
| @Override |
| public void onError(Throwable throwable) { |
| throwable.printStackTrace(); |
| } |
| |
| @Override |
| public void onCompleted() { |
| latch.countDown(); |
| System.out.println("onCompleted"); |
| } |
| }); |
| // release CPU to run StreamObserver methods. |
| latch.await(1000, TimeUnit.MILLISECONDS); |
| // resource recycle. |
| serviceRepository.destroy(); |
| System.out.println("serviceRepository destroyed"); |
| } |
| |
| class MockReferenceConfig extends ReferenceConfigBase { |
| |
| @Override |
| public Object get() { |
| return null; |
| } |
| |
| } |
| } |