| /** |
| * 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.hadoop.ipc; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| |
| import org.junit.Assert; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.ipc.RpcPayloadHeader.RpcKind; |
| import org.apache.hadoop.ipc.TestProtoBufRpc.PBServerImpl; |
| import org.apache.hadoop.ipc.TestProtoBufRpc.TestRpcService; |
| import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos.TestProtobufRpcProto; |
| import org.apache.hadoop.net.NetUtils; |
| import org.junit.Before; |
| import org.junit.After; |
| import org.junit.Test; |
| import com.google.protobuf.BlockingService; |
| |
| public class TestMultipleProtocolServer { |
| private static final String ADDRESS = "0.0.0.0"; |
| private static InetSocketAddress addr; |
| private static RPC.Server server; |
| |
| private static Configuration conf = new Configuration(); |
| |
| |
| @ProtocolInfo(protocolName="Foo") |
| interface Foo0 extends VersionedProtocol { |
| public static final long versionID = 0L; |
| String ping() throws IOException; |
| |
| } |
| |
| @ProtocolInfo(protocolName="Foo") |
| interface Foo1 extends VersionedProtocol { |
| public static final long versionID = 1L; |
| String ping() throws IOException; |
| String ping2() throws IOException; |
| } |
| |
| @ProtocolInfo(protocolName="Foo") |
| interface FooUnimplemented extends VersionedProtocol { |
| public static final long versionID = 2L; |
| String ping() throws IOException; |
| } |
| |
| interface Mixin extends VersionedProtocol{ |
| public static final long versionID = 0L; |
| void hello() throws IOException; |
| } |
| interface Bar extends Mixin, VersionedProtocol { |
| public static final long versionID = 0L; |
| int echo(int i) throws IOException; |
| } |
| |
| |
| |
| class Foo0Impl implements Foo0 { |
| |
| @Override |
| public long getProtocolVersion(String protocol, long clientVersion) |
| throws IOException { |
| return Foo0.versionID; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public ProtocolSignature getProtocolSignature(String protocol, |
| long clientVersion, int clientMethodsHash) throws IOException { |
| Class<? extends VersionedProtocol> inter; |
| try { |
| inter = (Class<? extends VersionedProtocol>)getClass(). |
| getGenericInterfaces()[0]; |
| } catch (Exception e) { |
| throw new IOException(e); |
| } |
| return ProtocolSignature.getProtocolSignature(clientMethodsHash, |
| getProtocolVersion(protocol, clientVersion), inter); |
| } |
| |
| @Override |
| public String ping() { |
| return "Foo0"; |
| } |
| |
| } |
| |
| class Foo1Impl implements Foo1 { |
| |
| @Override |
| public long getProtocolVersion(String protocol, long clientVersion) |
| throws IOException { |
| return Foo1.versionID; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public ProtocolSignature getProtocolSignature(String protocol, |
| long clientVersion, int clientMethodsHash) throws IOException { |
| Class<? extends VersionedProtocol> inter; |
| try { |
| inter = (Class<? extends VersionedProtocol>)getClass(). |
| getGenericInterfaces()[0]; |
| } catch (Exception e) { |
| throw new IOException(e); |
| } |
| return ProtocolSignature.getProtocolSignature(clientMethodsHash, |
| getProtocolVersion(protocol, clientVersion), inter); |
| } |
| |
| @Override |
| public String ping() { |
| return "Foo1"; |
| } |
| |
| @Override |
| public String ping2() { |
| return "Foo1"; |
| |
| } |
| |
| } |
| |
| |
| class BarImpl implements Bar { |
| |
| @Override |
| public long getProtocolVersion(String protocol, long clientVersion) |
| throws IOException { |
| return Bar.versionID; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public ProtocolSignature getProtocolSignature(String protocol, |
| long clientVersion, int clientMethodsHash) throws IOException { |
| Class<? extends VersionedProtocol> inter; |
| try { |
| inter = (Class<? extends VersionedProtocol>)getClass(). |
| getGenericInterfaces()[0]; |
| } catch (Exception e) { |
| throw new IOException(e); |
| } |
| return ProtocolSignature.getProtocolSignature(clientMethodsHash, |
| getProtocolVersion(protocol, clientVersion), inter); |
| } |
| |
| @Override |
| public int echo(int i) { |
| return i; |
| } |
| |
| @Override |
| public void hello() { |
| |
| |
| } |
| } |
| @Before |
| public void setUp() throws Exception { |
| // create a server with two handlers |
| server = RPC.getServer(Foo0.class, |
| new Foo0Impl(), ADDRESS, 0, 2, false, conf, null); |
| server.addProtocol(RpcKind.RPC_WRITABLE, Foo1.class, new Foo1Impl()); |
| server.addProtocol(RpcKind.RPC_WRITABLE, Bar.class, new BarImpl()); |
| server.addProtocol(RpcKind.RPC_WRITABLE, Mixin.class, new BarImpl()); |
| |
| |
| // Add Protobuf server |
| // Create server side implementation |
| PBServerImpl pbServerImpl = |
| new PBServerImpl(); |
| BlockingService service = TestProtobufRpcProto |
| .newReflectiveBlockingService(pbServerImpl); |
| server.addProtocol(RpcKind.RPC_PROTOCOL_BUFFER, TestRpcService.class, |
| service); |
| server.start(); |
| addr = NetUtils.getConnectAddress(server); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| server.stop(); |
| } |
| |
| @Test |
| public void test1() throws IOException { |
| ProtocolProxy<?> proxy; |
| proxy = RPC.getProtocolProxy(Foo0.class, Foo0.versionID, addr, conf); |
| |
| Foo0 foo0 = (Foo0)proxy.getProxy(); |
| Assert.assertEquals("Foo0", foo0.ping()); |
| |
| |
| proxy = RPC.getProtocolProxy(Foo1.class, Foo1.versionID, addr, conf); |
| |
| |
| Foo1 foo1 = (Foo1)proxy.getProxy(); |
| Assert.assertEquals("Foo1", foo1.ping()); |
| Assert.assertEquals("Foo1", foo1.ping()); |
| |
| |
| proxy = RPC.getProtocolProxy(Bar.class, Foo1.versionID, addr, conf); |
| |
| |
| Bar bar = (Bar)proxy.getProxy(); |
| Assert.assertEquals(99, bar.echo(99)); |
| |
| // Now test Mixin class method |
| |
| Mixin mixin = bar; |
| mixin.hello(); |
| } |
| |
| |
| // Server does not implement the FooUnimplemented version of protocol Foo. |
| // See that calls to it fail. |
| @Test(expected=IOException.class) |
| public void testNonExistingProtocol() throws IOException { |
| ProtocolProxy<?> proxy; |
| proxy = RPC.getProtocolProxy(FooUnimplemented.class, |
| FooUnimplemented.versionID, addr, conf); |
| |
| FooUnimplemented foo = (FooUnimplemented)proxy.getProxy(); |
| foo.ping(); |
| } |
| |
| |
| /** |
| * getProtocolVersion of an unimplemented version should return highest version |
| * Similarly getProtocolSignature should work. |
| * @throws IOException |
| */ |
| @Test |
| public void testNonExistingProtocol2() throws IOException { |
| ProtocolProxy<?> proxy; |
| proxy = RPC.getProtocolProxy(FooUnimplemented.class, |
| FooUnimplemented.versionID, addr, conf); |
| |
| FooUnimplemented foo = (FooUnimplemented)proxy.getProxy(); |
| Assert.assertEquals(Foo1.versionID, |
| foo.getProtocolVersion(RPC.getProtocolName(FooUnimplemented.class), |
| FooUnimplemented.versionID)); |
| foo.getProtocolSignature(RPC.getProtocolName(FooUnimplemented.class), |
| FooUnimplemented.versionID, 0); |
| } |
| |
| @Test(expected=IOException.class) |
| public void testIncorrectServerCreation() throws IOException { |
| RPC.getServer(Foo1.class, |
| new Foo0Impl(), ADDRESS, 0, 2, false, conf, null); |
| } |
| |
| // Now test a PB service - a server hosts both PB and Writable Rpcs. |
| @Test |
| public void testPBService() throws Exception { |
| // Set RPC engine to protobuf RPC engine |
| Configuration conf2 = new Configuration(); |
| RPC.setProtocolEngine(conf2, TestRpcService.class, |
| ProtobufRpcEngine.class); |
| TestRpcService client = RPC.getProxy(TestRpcService.class, 0, addr, conf2); |
| TestProtoBufRpc.testProtoBufRpc(client); |
| } |
| } |