HBASE-14526 Remove delayed rpc

This commit is contained in:
Elliott Clark 2016-01-25 21:22:15 -08:00
parent cb539917a2
commit de62ad150d
9 changed files with 104 additions and 1752 deletions

View File

@ -858,7 +858,6 @@
<include>DummyRegionServerEndpoint.proto</include>
<include>TestProcedure.proto</include>
<include>test.proto</include>
<include>test_delayed_rpc.proto</include>
<include>test_rpc_service.proto</include>
</includes>
</source>

View File

@ -125,13 +125,10 @@ public class CallRunner {
sucessful = true;
}
}
// Set the response for undelayed calls and delayed calls with
// undelayed responses.
if (!call.isDelayed() || !call.isReturnValueDelayed()) {
Message param = resultPair != null ? resultPair.getFirst() : null;
CellScanner cells = resultPair != null ? resultPair.getSecond() : null;
call.setResponse(param, cells, errorThrowable, error);
}
// Set the response
Message param = resultPair != null ? resultPair.getFirst() : null;
CellScanner cells = resultPair != null ? resultPair.getSecond() : null;
call.setResponse(param, cells, errorThrowable, error);
call.sendResponseIfReady();
this.status.markComplete("Sent response");
this.status.pause("Waiting for a call");

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@ -1,73 +0,0 @@
/**
*
* 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.hbase.ipc;
import java.io.IOException;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
/**
* A call whose response can be delayed by the server.
*/
@InterfaceAudience.Private
public interface Delayable {
/**
* Signal that the call response should be delayed, thus freeing the RPC
* server to handle different requests.
*
* @param delayReturnValue Controls whether the return value of the call
* should be set when ending the delay or right away. There are cases when
* the return value can be set right away, even if the call is delayed.
*/
void startDelay(boolean delayReturnValue);
/**
* @return is the call delayed?
*/
boolean isDelayed();
/**
* @return is the return value delayed?
*/
boolean isReturnValueDelayed();
/**
* Signal that the RPC server is now allowed to send the response.
* @param result The value to return to the caller. If the corresponding
* delay response specified that the return value should
* not be delayed, this parameter must be null.
* @throws IOException
*/
void endDelay(Object result) throws IOException;
/**
* Signal the end of a delayed RPC, without specifying the return value. Use
* this only if the return value was not delayed
* @throws IOException
*/
void endDelay() throws IOException;
/**
* End the call, throwing and exception to the caller. This works regardless
* of the return value being delayed.
* @param t Object to throw to the client.
* @throws IOException
*/
void endDelayThrowing(Throwable t) throws IOException;
}

View File

@ -24,7 +24,7 @@ import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.VersionInfo;
import org.apache.hadoop.hbase.security.User;
@InterfaceAudience.Private
public interface RpcCallContext extends Delayable {
public interface RpcCallContext {
/**
* Check if the caller who made this IPC call has disconnected.
* If called from outside the context of IPC, this does nothing.

View File

@ -185,13 +185,6 @@ public class RpcServer implements RpcServerInterface, ConfigurationObserver {
*/
private static final int DEFAULT_MAX_CALLQUEUE_SIZE = 1024 * 1024 * 1024;
private static final String WARN_DELAYED_CALLS = "hbase.ipc.warn.delayedrpc.number";
private static final int DEFAULT_WARN_DELAYED_CALLS = 1000;
private final int warnDelayedCalls;
private AtomicInteger delayedCalls;
private final IPCUtil ipcUtil;
private static final String AUTH_FAILED_FOR = "Auth failed for ";
@ -305,10 +298,8 @@ public class RpcServer implements RpcServerInterface, ConfigurationObserver {
* Chain of buffers to send as response.
*/
protected BufferChain response;
protected boolean delayResponse;
protected Responder responder;
protected boolean delayReturnValue; // if the return value should be
// set at call completion
protected long size; // size of current call
protected boolean isError;
protected TraceInfo tinfo;
@ -336,7 +327,6 @@ public class RpcServer implements RpcServerInterface, ConfigurationObserver {
this.connection = connection;
this.timestamp = System.currentTimeMillis();
this.response = null;
this.delayResponse = false;
this.responder = responder;
this.isError = false;
this.size = size;
@ -486,51 +476,6 @@ public class RpcServer implements RpcServerInterface, ConfigurationObserver {
return new BufferChain(bbTokenLength, bbTokenBytes);
}
@Override
public synchronized void endDelay(Object result) throws IOException {
assert this.delayResponse;
assert this.delayReturnValue || result == null;
this.delayResponse = false;
delayedCalls.decrementAndGet();
if (this.delayReturnValue) {
this.setResponse(result, null, null, null);
}
this.responder.doRespond(this);
}
@Override
public synchronized void endDelay() throws IOException {
this.endDelay(null);
}
@Override
public synchronized void startDelay(boolean delayReturnValue) {
assert !this.delayResponse;
this.delayResponse = true;
this.delayReturnValue = delayReturnValue;
int numDelayed = delayedCalls.incrementAndGet();
if (numDelayed > warnDelayedCalls) {
LOG.warn("Too many delayed calls: limit " + warnDelayedCalls + " current " + numDelayed);
}
}
@Override
public synchronized void endDelayThrowing(Throwable t) throws IOException {
this.setResponse(null, null, t, StringUtils.stringifyException(t));
this.delayResponse = false;
this.sendResponseIfReady();
}
@Override
public synchronized boolean isDelayed() {
return this.delayResponse;
}
@Override
public synchronized boolean isReturnValueDelayed() {
return this.delayReturnValue;
}
@Override
public boolean isClientCellBlockSupported() {
return this.connection != null && this.connection.codec != null;
@ -567,15 +512,8 @@ public class RpcServer implements RpcServerInterface, ConfigurationObserver {
responseBlockSize += blockSize;
}
/**
* If we have a response, and delay is not set, then respond
* immediately. Otherwise, do not respond to client. This is
* called by the RPC code in the context of the Handler thread.
*/
public synchronized void sendResponseIfReady() throws IOException {
if (!this.delayResponse) {
this.responder.doRespond(this);
}
this.responder.doRespond(this);
}
public UserGroupInformation getRemoteUser() {
@ -2082,8 +2020,6 @@ public class RpcServer implements RpcServerInterface, ConfigurationObserver {
this.tcpNoDelay = conf.getBoolean("hbase.ipc.server.tcpnodelay", true);
this.tcpKeepAlive = conf.getBoolean("hbase.ipc.server.tcpkeepalive", true);
this.warnDelayedCalls = conf.getInt(WARN_DELAYED_CALLS, DEFAULT_WARN_DELAYED_CALLS);
this.delayedCalls = new AtomicInteger(0);
this.ipcUtil = new IPCUtil(conf);

View File

@ -1,367 +0,0 @@
/**
*
* 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.hbase.ipc;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.testclassification.RPCTests;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.ipc.protobuf.generated.TestDelayedRpcProtos;
import org.apache.hadoop.hbase.ipc.protobuf.generated.TestDelayedRpcProtos.TestArg;
import org.apache.hadoop.hbase.ipc.protobuf.generated.TestDelayedRpcProtos.TestResponse;
import org.apache.hadoop.hbase.security.User;
import org.apache.log4j.AppenderSkeleton;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.spi.LoggingEvent;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import com.google.common.collect.Lists;
import com.google.protobuf.BlockingRpcChannel;
import com.google.protobuf.BlockingService;
import com.google.protobuf.RpcController;
import com.google.protobuf.ServiceException;
/**
* Test that delayed RPCs work. Fire up three calls, the first of which should
* be delayed. Check that the last two, which are undelayed, return before the
* first one.
*/
@Category({RPCTests.class, MediumTests.class}) // Fails sometimes with small tests
public class TestDelayedRpc {
private static final Log LOG = LogFactory.getLog(TestDelayedRpc.class);
public static RpcServerInterface rpcServer;
public static final int UNDELAYED = 0;
public static final int DELAYED = 1;
private static final int RPC_CLIENT_TIMEOUT = 30000;
@Test (timeout=60000)
public void testDelayedRpcImmediateReturnValue() throws Exception {
testDelayedRpc(false);
}
@Test (timeout=60000)
public void testDelayedRpcDelayedReturnValue() throws Exception {
testDelayedRpc(true);
}
private void testDelayedRpc(boolean delayReturnValue) throws Exception {
LOG.info("Running testDelayedRpc delayReturnValue=" + delayReturnValue);
Configuration conf = HBaseConfiguration.create();
InetSocketAddress isa = new InetSocketAddress("localhost", 0);
TestDelayedImplementation instance = new TestDelayedImplementation(delayReturnValue);
BlockingService service =
TestDelayedRpcProtos.TestDelayedService.newReflectiveBlockingService(instance);
rpcServer = new RpcServer(null, "testDelayedRpc",
Lists.newArrayList(new RpcServer.BlockingServiceAndInterface(service, null)),
isa,
conf,
new FifoRpcScheduler(conf, 1));
rpcServer.start();
RpcClient rpcClient = RpcClientFactory.createClient(
conf, HConstants.DEFAULT_CLUSTER_ID.toString());
try {
InetSocketAddress address = rpcServer.getListenerAddress();
if (address == null) {
throw new IOException("Listener channel is closed");
}
BlockingRpcChannel channel = rpcClient.createBlockingRpcChannel(
ServerName.valueOf(address.getHostName(),address.getPort(), System.currentTimeMillis()),
User.getCurrent(), RPC_CLIENT_TIMEOUT);
TestDelayedRpcProtos.TestDelayedService.BlockingInterface stub =
TestDelayedRpcProtos.TestDelayedService.newBlockingStub(channel);
List<Integer> results = new ArrayList<Integer>();
// Setting true sets 'delayed' on the client.
TestThread th1 = new TestThread(stub, true, results);
// Setting 'false' means we will return UNDELAYED as response immediately.
TestThread th2 = new TestThread(stub, false, results);
TestThread th3 = new TestThread(stub, false, results);
th1.start();
Thread.sleep(100);
th2.start();
Thread.sleep(200);
th3.start();
th1.join();
th2.join();
th3.join();
// We should get the two undelayed responses first.
assertEquals(UNDELAYED, results.get(0).intValue());
assertEquals(UNDELAYED, results.get(1).intValue());
assertEquals(results.get(2).intValue(), delayReturnValue ? DELAYED : 0xDEADBEEF);
} finally {
rpcClient.close();
}
}
private static class ListAppender extends AppenderSkeleton {
private final List<String> messages = new ArrayList<String>();
@Override
protected void append(LoggingEvent event) {
messages.add(event.getMessage().toString());
}
@Override
public void close() {
}
@Override
public boolean requiresLayout() {
return false;
}
public List<String> getMessages() {
return messages;
}
}
/**
* Tests that we see a WARN message in the logs.
* @throws Exception
*/
@Test (timeout=60000)
public void testTooManyDelayedRpcs() throws Exception {
Configuration conf = HBaseConfiguration.create();
final int MAX_DELAYED_RPC = 10;
conf.setInt("hbase.ipc.warn.delayedrpc.number", MAX_DELAYED_RPC);
// Set up an appender to catch the "Too many delayed calls" that we expect.
ListAppender listAppender = new ListAppender();
Logger log = Logger.getLogger(RpcServer.class);
log.addAppender(listAppender);
log.setLevel(Level.WARN);
InetSocketAddress isa = new InetSocketAddress("localhost", 0);
TestDelayedImplementation instance = new TestDelayedImplementation(true);
BlockingService service =
TestDelayedRpcProtos.TestDelayedService.newReflectiveBlockingService(instance);
rpcServer = new RpcServer(null, "testTooManyDelayedRpcs",
Lists.newArrayList(new RpcServer.BlockingServiceAndInterface(service, null)),
isa,
conf,
new FifoRpcScheduler(conf, 1));
rpcServer.start();
RpcClient rpcClient = RpcClientFactory.createClient(
conf, HConstants.DEFAULT_CLUSTER_ID.toString());
try {
InetSocketAddress address = rpcServer.getListenerAddress();
if (address == null) {
throw new IOException("Listener channel is closed");
}
BlockingRpcChannel channel = rpcClient.createBlockingRpcChannel(
ServerName.valueOf(address.getHostName(),address.getPort(), System.currentTimeMillis()),
User.getCurrent(), RPC_CLIENT_TIMEOUT);
TestDelayedRpcProtos.TestDelayedService.BlockingInterface stub =
TestDelayedRpcProtos.TestDelayedService.newBlockingStub(channel);
Thread threads[] = new Thread[MAX_DELAYED_RPC + 1];
for (int i = 0; i < MAX_DELAYED_RPC; i++) {
threads[i] = new TestThread(stub, true, null);
threads[i].start();
}
/* No warnings till here. */
assertTrue(listAppender.getMessages().isEmpty());
/* This should give a warning. */
threads[MAX_DELAYED_RPC] = new TestThread(stub, true, null);
threads[MAX_DELAYED_RPC].start();
for (int i = 0; i < MAX_DELAYED_RPC; i++) {
threads[i].join();
}
assertFalse(listAppender.getMessages().isEmpty());
assertTrue(listAppender.getMessages().get(0).startsWith("Too many delayed calls"));
log.removeAppender(listAppender);
} finally {
rpcClient.close();
}
}
public static class TestDelayedImplementation
implements TestDelayedRpcProtos.TestDelayedService.BlockingInterface {
/**
* Should the return value of delayed call be set at the end of the delay
* or at call return.
*/
private final boolean delayReturnValue;
/**
* @param delayReturnValue Should the response to the delayed call be set
* at the start or the end of the delay.
*/
public TestDelayedImplementation(boolean delayReturnValue) {
this.delayReturnValue = delayReturnValue;
}
@Override
public TestResponse test(final RpcController rpcController, final TestArg testArg)
throws ServiceException {
boolean delay = testArg.getDelay();
TestResponse.Builder responseBuilder = TestResponse.newBuilder();
if (!delay) {
responseBuilder.setResponse(UNDELAYED);
return responseBuilder.build();
}
final Delayable call = RpcServer.getCurrentCall();
call.startDelay(delayReturnValue);
new Thread() {
@Override
public void run() {
try {
Thread.sleep(500);
TestResponse.Builder responseBuilder = TestResponse.newBuilder();
call.endDelay(delayReturnValue ?
responseBuilder.setResponse(DELAYED).build() : null);
} catch (Exception e) {
e.printStackTrace();
}
}
}.start();
// This value should go back to client only if the response is set
// immediately at delay time.
responseBuilder.setResponse(0xDEADBEEF);
return responseBuilder.build();
}
}
public static class TestThread extends Thread {
private final TestDelayedRpcProtos.TestDelayedService.BlockingInterface stub;
private final boolean delay;
private final List<Integer> results;
public TestThread(TestDelayedRpcProtos.TestDelayedService.BlockingInterface stub,
boolean delay, List<Integer> results) {
this.stub = stub;
this.delay = delay;
this.results = results;
}
@Override
public void run() {
Integer result;
try {
result = new Integer(stub.test(null, TestArg.newBuilder().setDelay(delay).build()).
getResponse());
} catch (ServiceException e) {
throw new RuntimeException(e);
}
if (results != null) {
synchronized (results) {
results.add(result);
}
}
}
}
@Test
public void testEndDelayThrowing() throws IOException {
Configuration conf = HBaseConfiguration.create();
InetSocketAddress isa = new InetSocketAddress("localhost", 0);
FaultyTestDelayedImplementation instance = new FaultyTestDelayedImplementation();
BlockingService service =
TestDelayedRpcProtos.TestDelayedService.newReflectiveBlockingService(instance);
rpcServer = new RpcServer(null, "testEndDelayThrowing",
Lists.newArrayList(new RpcServer.BlockingServiceAndInterface(service, null)),
isa,
conf,
new FifoRpcScheduler(conf, 1));
rpcServer.start();
RpcClient rpcClient = RpcClientFactory.createClient(
conf, HConstants.DEFAULT_CLUSTER_ID.toString());
try {
InetSocketAddress address = rpcServer.getListenerAddress();
if (address == null) {
throw new IOException("Listener channel is closed");
}
BlockingRpcChannel channel = rpcClient.createBlockingRpcChannel(
ServerName.valueOf(address.getHostName(),address.getPort(), System.currentTimeMillis()),
User.getCurrent(), 1000);
TestDelayedRpcProtos.TestDelayedService.BlockingInterface stub =
TestDelayedRpcProtos.TestDelayedService.newBlockingStub(channel);
int result = 0xDEADBEEF;
try {
result = stub.test(null, TestArg.newBuilder().setDelay(false).build()).getResponse();
} catch (Exception e) {
fail("No exception should have been thrown.");
}
assertEquals(result, UNDELAYED);
boolean caughtException = false;
try {
result = stub.test(null, TestArg.newBuilder().setDelay(true).build()).getResponse();
} catch(Exception e) {
// Exception thrown by server is enclosed in a RemoteException.
if (e.getCause().getMessage().contains("java.lang.Exception: Something went wrong")) {
caughtException = true;
}
LOG.warn("Caught exception, expected=" + caughtException);
}
assertTrue(caughtException);
} finally {
rpcClient.close();
}
}
/**
* Delayed calls to this class throw an exception.
*/
private static class FaultyTestDelayedImplementation extends TestDelayedImplementation {
public FaultyTestDelayedImplementation() {
super(false);
}
@Override
public TestResponse test(RpcController rpcController, TestArg arg)
throws ServiceException {
LOG.info("In faulty test, delay=" + arg.getDelay());
if (!arg.getDelay()) return TestResponse.newBuilder().setResponse(UNDELAYED).build();
Delayable call = RpcServer.getCurrentCall();
call.startDelay(true);
LOG.info("In faulty test, delaying");
try {
call.endDelayThrowing(new Exception("Something went wrong"));
} catch (IOException e) {
e.printStackTrace();
}
// Client will receive the Exception, not this value.
return TestResponse.newBuilder().setResponse(DELAYED).build();
}
}
}

View File

@ -32,20 +32,26 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.ThreadLocalRandom;
import com.google.protobuf.RpcController;
import com.google.protobuf.ServiceException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellScanner;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.ipc.FifoRpcScheduler;
import org.apache.hadoop.hbase.ipc.PayloadCarryingRpcController;
import org.apache.hadoop.hbase.ipc.RpcClient;
import org.apache.hadoop.hbase.ipc.RpcClientFactory;
import org.apache.hadoop.hbase.ipc.RpcServer;
import org.apache.hadoop.hbase.ipc.RpcServerInterface;
import org.apache.hadoop.hbase.ipc.TestDelayedRpc.TestDelayedImplementation;
import org.apache.hadoop.hbase.ipc.TestDelayedRpc.TestThread;
import org.apache.hadoop.hbase.ipc.protobuf.generated.TestDelayedRpcProtos;
import org.apache.hadoop.hbase.ipc.protobuf.generated.TestProtos;
import org.apache.hadoop.hbase.ipc.protobuf.generated.TestRpcServiceProtos;
import org.apache.hadoop.minikdc.MiniKdc;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
@ -70,6 +76,55 @@ public abstract class AbstractTestSecureIPC {
private static final File KEYTAB_FILE = new File(TEST_UTIL.getDataTestDir("keytab").toUri()
.getPath());
static final BlockingService SERVICE =
TestRpcServiceProtos.TestProtobufRpcProto.newReflectiveBlockingService(
new TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface() {
@Override
public TestProtos.EmptyResponseProto ping(RpcController controller,
TestProtos.EmptyRequestProto request)
throws ServiceException {
return null;
}
@Override
public TestProtos.EmptyResponseProto error(RpcController controller,
TestProtos.EmptyRequestProto request)
throws ServiceException {
return null;
}
@Override
public TestProtos.EchoResponseProto echo(RpcController controller,
TestProtos.EchoRequestProto request)
throws ServiceException {
if (controller instanceof PayloadCarryingRpcController) {
PayloadCarryingRpcController pcrc = (PayloadCarryingRpcController) controller;
// If cells, scan them to check we are able to iterate what we were given and since
// this is
// an echo, just put them back on the controller creating a new block. Tests our
// block
// building.
CellScanner cellScanner = pcrc.cellScanner();
List<Cell> list = null;
if (cellScanner != null) {
list = new ArrayList<Cell>();
try {
while (cellScanner.advance()) {
list.add(cellScanner.current());
}
} catch (IOException e) {
throw new ServiceException(e);
}
}
cellScanner = CellUtil.createCellScanner(list);
((PayloadCarryingRpcController) controller).setCellScanner(cellScanner);
}
return TestProtos.EchoResponseProto.newBuilder()
.setMessage(request.getMessage()).build();
}
});
private static MiniKdc KDC;
private static String HOST = "localhost";
private static String PRINCIPAL;
@ -189,36 +244,31 @@ public abstract class AbstractTestSecureIPC {
SecurityInfo securityInfoMock = Mockito.mock(SecurityInfo.class);
Mockito.when(securityInfoMock.getServerPrincipal())
.thenReturn(HBaseKerberosUtils.KRB_PRINCIPAL);
SecurityInfo.addInfo("TestDelayedService", securityInfoMock);
SecurityInfo.addInfo("TestProtobufRpcProto", securityInfoMock);
boolean delayReturnValue = false;
InetSocketAddress isa = new InetSocketAddress(HOST, 0);
TestDelayedImplementation instance = new TestDelayedImplementation(delayReturnValue);
BlockingService service =
TestDelayedRpcProtos.TestDelayedService.newReflectiveBlockingService(instance);
RpcServerInterface rpcServer =
new RpcServer(null, "testSecuredDelayedRpc",
Lists.newArrayList(new RpcServer.BlockingServiceAndInterface(service, null)), isa,
new RpcServer(null, "AbstractTestSecureIPC",
Lists.newArrayList(new RpcServer.BlockingServiceAndInterface(SERVICE, null)), isa,
serverConf, new FifoRpcScheduler(serverConf, 1));
rpcServer.start();
RpcClient rpcClient =
RpcClientFactory.createClient(clientConf, HConstants.DEFAULT_CLUSTER_ID.toString());
try {
try (RpcClient rpcClient = RpcClientFactory.createClient(clientConf,
HConstants.DEFAULT_CLUSTER_ID.toString())) {
InetSocketAddress address = rpcServer.getListenerAddress();
if (address == null) {
throw new IOException("Listener channel is closed");
}
BlockingRpcChannel channel =
rpcClient.createBlockingRpcChannel(
ServerName.valueOf(address.getHostName(), address.getPort(),
System.currentTimeMillis()), clientUser, 0);
TestDelayedRpcProtos.TestDelayedService.BlockingInterface stub =
TestDelayedRpcProtos.TestDelayedService.newBlockingStub(channel);
List<Integer> results = new ArrayList<>();
TestThread th1 = new TestThread(stub, true, results);
ServerName.valueOf(address.getHostName(), address.getPort(),
System.currentTimeMillis()), clientUser, 0);
TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface stub =
TestRpcServiceProtos.TestProtobufRpcProto.newBlockingStub(channel);
List<String> results = new ArrayList<>();
TestThread th1 = new TestThread(stub, results);
final Throwable exception[] = new Throwable[1];
Collections.synchronizedList(new ArrayList<Throwable>());
Collections.synchronizedList(new ArrayList<Throwable>());
Thread.UncaughtExceptionHandler exceptionHandler =
new Thread.UncaughtExceptionHandler() {
public void uncaughtException(Thread th, Throwable ex) {
@ -235,11 +285,35 @@ public abstract class AbstractTestSecureIPC {
}
throw (Exception) exception[0];
}
assertEquals(0xDEADBEEF, results.get(0).intValue());
} finally {
rpcClient.close();
rpcServer.stop();
}
}
public static class TestThread extends Thread {
private final TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface stub;
private final List<String> results;
public TestThread(TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface stub, List<String> results) {
this.stub = stub;
this.results = results;
}
@Override
public void run() {
String result;
try {
result = stub.echo(null, TestProtos.EchoRequestProto.newBuilder().setMessage(String.valueOf(
ThreadLocalRandom.current().nextInt())).build()).getMessage();
} catch (ServiceException e) {
throw new RuntimeException(e);
}
if (results != null) {
synchronized (results) {
results.add(result);
}
}
}
}
}

View File

@ -1,34 +0,0 @@
/**
* 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.
*/
option java_package = "org.apache.hadoop.hbase.ipc.protobuf.generated";
option java_outer_classname = "TestDelayedRpcProtos";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
message TestArg {
required bool delay = 1;
}
message TestResponse {
required int32 response = 1;
}
service TestDelayedService {
rpc test(TestArg) returns (TestResponse);
}