| /** |
| * 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 com.google.common.base.Supplier; |
| import com.google.protobuf.BlockingService; |
| import com.google.protobuf.RpcController; |
| import com.google.protobuf.ServiceException; |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.ipc.metrics.RpcMetrics; |
| import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcResponseHeaderProto.RpcErrorCodeProto; |
| import org.apache.hadoop.ipc.protobuf.TestProtos; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EchoRequestProto; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EchoResponseProto; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EmptyRequestProto; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EmptyResponseProto; |
| import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos.TestProtobufRpc2Proto; |
| import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos.TestProtobufRpcProto; |
| import org.apache.hadoop.metrics2.MetricsRecordBuilder; |
| import org.apache.hadoop.net.NetUtils; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.net.URISyntaxException; |
| |
| import static org.apache.hadoop.test.MetricsAsserts.assertCounterGt; |
| import static org.apache.hadoop.test.MetricsAsserts.getMetrics; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Test for testing protocol buffer based RPC mechanism. |
| * This test depends on test.proto definition of types in src/test/proto |
| * and protobuf service definition from src/test/test_rpc_service.proto |
| */ |
| public class TestProtoBufRpc extends TestRpcBase { |
| private static RPC.Server server; |
| private final static int SLEEP_DURATION = 1000; |
| |
| @ProtocolInfo(protocolName = "testProto2", protocolVersion = 1) |
| public interface TestRpcService2 extends |
| TestProtobufRpc2Proto.BlockingInterface { |
| } |
| |
| public static class PBServer2Impl implements TestRpcService2 { |
| |
| @Override |
| public EmptyResponseProto ping2(RpcController unused, |
| EmptyRequestProto request) throws ServiceException { |
| return EmptyResponseProto.newBuilder().build(); |
| } |
| |
| @Override |
| public EchoResponseProto echo2(RpcController unused, EchoRequestProto request) |
| throws ServiceException { |
| return EchoResponseProto.newBuilder().setMessage(request.getMessage()) |
| .build(); |
| } |
| |
| @Override |
| public TestProtos.SleepResponseProto sleep(RpcController controller, |
| TestProtos.SleepRequestProto request) throws ServiceException { |
| try{ |
| Thread.sleep(request.getMilliSeconds()); |
| } catch (InterruptedException ex){ |
| } |
| return TestProtos.SleepResponseProto.newBuilder().build(); |
| } |
| } |
| |
| @Before |
| public void setUp() throws IOException { // Setup server for both protocols |
| conf = new Configuration(); |
| conf.setInt(CommonConfigurationKeys.IPC_MAXIMUM_DATA_LENGTH, 1024); |
| conf.setBoolean(CommonConfigurationKeys.IPC_SERVER_LOG_SLOW_RPC, true); |
| // Set RPC engine to protobuf RPC engine |
| RPC.setProtocolEngine(conf, TestRpcService.class, ProtobufRpcEngine.class); |
| RPC.setProtocolEngine(conf, TestRpcService2.class, ProtobufRpcEngine.class); |
| |
| // Create server side implementation |
| PBServerImpl serverImpl = new PBServerImpl(); |
| BlockingService service = TestProtobufRpcProto |
| .newReflectiveBlockingService(serverImpl); |
| |
| // Get RPC server for server side implementation |
| server = new RPC.Builder(conf).setProtocol(TestRpcService.class) |
| .setInstance(service).setBindAddress(ADDRESS).setPort(PORT).build(); |
| addr = NetUtils.getConnectAddress(server); |
| |
| // now the second protocol |
| PBServer2Impl server2Impl = new PBServer2Impl(); |
| BlockingService service2 = TestProtobufRpc2Proto |
| .newReflectiveBlockingService(server2Impl); |
| |
| server.addProtocol(RPC.RpcKind.RPC_PROTOCOL_BUFFER, TestRpcService2.class, |
| service2); |
| server.start(); |
| } |
| |
| |
| @After |
| public void tearDown() throws Exception { |
| server.stop(); |
| } |
| |
| private TestRpcService2 getClient2() throws IOException { |
| return RPC.getProxy(TestRpcService2.class, 0, addr, conf); |
| } |
| |
| @Test (timeout=5000) |
| public void testProtoBufRpc() throws Exception { |
| TestRpcService client = getClient(addr, conf); |
| testProtoBufRpc(client); |
| } |
| |
| // separated test out so that other tests can call it. |
| public static void testProtoBufRpc(TestRpcService client) throws Exception { |
| // Test ping method |
| client.ping(null, newEmptyRequest()); |
| |
| // Test echo method |
| EchoRequestProto echoRequest = EchoRequestProto.newBuilder() |
| .setMessage("hello").build(); |
| EchoResponseProto echoResponse = client.echo(null, echoRequest); |
| Assert.assertEquals(echoResponse.getMessage(), "hello"); |
| |
| // Test error method - error should be thrown as RemoteException |
| try { |
| client.error(null, newEmptyRequest()); |
| Assert.fail("Expected exception is not thrown"); |
| } catch (ServiceException e) { |
| RemoteException re = (RemoteException)e.getCause(); |
| RpcServerException rse = (RpcServerException) re |
| .unwrapRemoteException(RpcServerException.class); |
| Assert.assertNotNull(rse); |
| Assert.assertTrue(re.getErrorCode().equals( |
| RpcErrorCodeProto.ERROR_RPC_SERVER)); |
| } |
| } |
| |
| @Test (timeout=5000) |
| public void testProtoBufRpc2() throws Exception { |
| TestRpcService2 client = getClient2(); |
| |
| // Test ping method |
| client.ping2(null, newEmptyRequest()); |
| |
| // Test echo method |
| EchoResponseProto echoResponse = client.echo2(null, |
| newEchoRequest("hello")); |
| Assert.assertEquals(echoResponse.getMessage(), "hello"); |
| |
| // Ensure RPC metrics are updated |
| MetricsRecordBuilder rpcMetrics = getMetrics(server.getRpcMetrics().name()); |
| assertCounterGt("RpcQueueTimeNumOps", 0L, rpcMetrics); |
| assertCounterGt("RpcProcessingTimeNumOps", 0L, rpcMetrics); |
| |
| MetricsRecordBuilder rpcDetailedMetrics = |
| getMetrics(server.getRpcDetailedMetrics().name()); |
| assertCounterGt("Echo2NumOps", 0L, rpcDetailedMetrics); |
| } |
| |
| @Test (timeout=5000) |
| public void testProtoBufRandomException() throws Exception { |
| TestRpcService client = getClient(addr, conf); |
| |
| try { |
| client.error2(null, newEmptyRequest()); |
| } catch (ServiceException se) { |
| Assert.assertTrue(se.getCause() instanceof RemoteException); |
| RemoteException re = (RemoteException) se.getCause(); |
| Assert.assertTrue(re.getClassName().equals( |
| URISyntaxException.class.getName())); |
| Assert.assertTrue(re.getMessage().contains("testException")); |
| Assert.assertTrue( |
| re.getErrorCode().equals(RpcErrorCodeProto.ERROR_APPLICATION)); |
| } |
| } |
| |
| @Test(timeout=6000) |
| public void testExtraLongRpc() throws Exception { |
| TestRpcService2 client = getClient2(); |
| final String shortString = StringUtils.repeat("X", 4); |
| // short message goes through |
| EchoResponseProto echoResponse = client.echo2(null, |
| newEchoRequest(shortString)); |
| Assert.assertEquals(shortString, echoResponse.getMessage()); |
| |
| final String longString = StringUtils.repeat("X", 4096); |
| try { |
| client.echo2(null, newEchoRequest(longString)); |
| Assert.fail("expected extra-long RPC to fail"); |
| } catch (ServiceException se) { |
| // expected |
| } |
| } |
| |
| @Test(timeout = 12000) |
| public void testLogSlowRPC() throws Exception { |
| TestRpcService2 client = getClient2(); |
| // make 10 K fast calls |
| for (int x = 0; x < 10000; x++) { |
| try { |
| client.ping2(null, newEmptyRequest()); |
| } catch (Exception ex) { |
| throw ex; |
| } |
| } |
| |
| // Ensure RPC metrics are updated |
| final RpcMetrics rpcMetrics = server.getRpcMetrics(); |
| assertTrue(rpcMetrics.getProcessingSampleCount() > 999L); |
| final long before = rpcMetrics.getRpcSlowCalls(); |
| |
| // make a really slow call. Sleep sleeps for 1000ms |
| client.sleep(null, newSleepRequest(SLEEP_DURATION * 3)); |
| |
| // Ensure slow call is logged. |
| GenericTestUtils.waitFor(new Supplier<Boolean>() { |
| @Override |
| public Boolean get() { |
| return rpcMetrics.getRpcSlowCalls() == before + 1L; |
| } |
| }, 10, 1000); |
| } |
| |
| @Test(timeout = 12000) |
| public void testEnsureNoLogIfDisabled() throws IOException, ServiceException { |
| // disable slow RPC logging |
| server.setLogSlowRPC(false); |
| TestRpcService2 client = getClient2(); |
| |
| // make 10 K fast calls |
| for (int x = 0; x < 10000; x++) { |
| client.ping2(null, newEmptyRequest()); |
| } |
| |
| // Ensure RPC metrics are updated |
| RpcMetrics rpcMetrics = server.getRpcMetrics(); |
| assertTrue(rpcMetrics.getProcessingSampleCount() > 999L); |
| long before = rpcMetrics.getRpcSlowCalls(); |
| |
| // make a really slow call. Sleep sleeps for 1000ms |
| client.sleep(null, newSleepRequest(SLEEP_DURATION)); |
| |
| long after = rpcMetrics.getRpcSlowCalls(); |
| |
| // make sure we never called into Log slow RPC routine. |
| assertEquals(before, after); |
| } |
| } |