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Posted to commits@tajo.apache.org by ji...@apache.org on 2015/03/18 15:57:56 UTC
[2/5] tajo git commit: TAJO-1337: Implements common modules to handle
RESTful API
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/ServerCallable.java
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diff --git a/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/ServerCallable.java b/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/ServerCallable.java
new file mode 100644
index 0000000..fb1cec2
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/ServerCallable.java
@@ -0,0 +1,162 @@
+/**
+ * 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.tajo.rpc;
+
+import java.io.IOException;
+import java.lang.reflect.UndeclaredThrowableException;
+import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.google.protobuf.ServiceException;
+
+public abstract class ServerCallable<T> {
+ protected InetSocketAddress addr;
+ protected long startTime;
+ protected long endTime;
+ protected Class<?> protocol;
+ protected boolean asyncMode;
+ protected boolean closeConn;
+ protected RpcConnectionPool connPool;
+
+ public abstract T call(NettyClientBase client) throws Exception;
+
+ public ServerCallable(RpcConnectionPool connPool, InetSocketAddress addr, Class<?> protocol, boolean asyncMode) {
+ this(connPool, addr, protocol, asyncMode, false);
+ }
+
+ public ServerCallable(RpcConnectionPool connPool, InetSocketAddress addr, Class<?> protocol,
+ boolean asyncMode, boolean closeConn) {
+ this.connPool = connPool;
+ this.addr = addr;
+ this.protocol = protocol;
+ this.asyncMode = asyncMode;
+ this.closeConn = closeConn;
+ }
+
+ public void beforeCall() {
+ this.startTime = System.currentTimeMillis();
+ }
+
+ public long getStartTime(){
+ return startTime;
+ }
+
+ public void afterCall() {
+ this.endTime = System.currentTimeMillis();
+ }
+
+ public long getEndTime(){
+ return endTime;
+ }
+
+ boolean abort = false;
+ public void abort() {
+ abort = true;
+ }
+ /**
+ * Run this instance with retries, timed waits,
+ * and refinds of missing regions.
+ *
+ * @param <T> the type of the return value
+ * @return an object of type T
+ * @throws com.google.protobuf.ServiceException if a remote or network exception occurs
+ */
+ public T withRetries() throws ServiceException {
+ //TODO configurable
+ final long pause = 500; //ms
+ final int numRetries = 3;
+ List<Throwable> exceptions = new ArrayList<Throwable>();
+
+ for (int tries = 0; tries < numRetries; tries++) {
+ NettyClientBase client = null;
+ try {
+ beforeCall();
+ if(addr != null) {
+ client = connPool.getConnection(addr, protocol, asyncMode);
+ }
+ return call(client);
+ } catch (IOException ioe) {
+ exceptions.add(ioe);
+ if(abort) {
+ throw new ServiceException(ioe.getMessage(), ioe);
+ }
+ if (tries == numRetries - 1) {
+ throw new ServiceException("Giving up after tries=" + tries, ioe);
+ }
+ } catch (Throwable t) {
+ throw new ServiceException(t);
+ } finally {
+ afterCall();
+ if(closeConn) {
+ connPool.closeConnection(client);
+ } else {
+ connPool.releaseConnection(client);
+ }
+ }
+ try {
+ Thread.sleep(pause * (tries + 1));
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ throw new ServiceException("Giving up after tries=" + tries, e);
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Run this instance against the server once.
+ * @param <T> the type of the return value
+ * @return an object of type T
+ * @throws java.io.IOException if a remote or network exception occurs
+ * @throws RuntimeException other unspecified error
+ */
+ public T withoutRetries() throws IOException, RuntimeException {
+ NettyClientBase client = null;
+ try {
+ beforeCall();
+ client = connPool.getConnection(addr, protocol, asyncMode);
+ return call(client);
+ } catch (Throwable t) {
+ Throwable t2 = translateException(t);
+ if (t2 instanceof IOException) {
+ throw (IOException)t2;
+ } else {
+ throw new RuntimeException(t2);
+ }
+ } finally {
+ afterCall();
+ if(closeConn) {
+ connPool.closeConnection(client);
+ } else {
+ connPool.releaseConnection(client);
+ }
+ }
+ }
+
+ private static Throwable translateException(Throwable t) throws IOException {
+ if (t instanceof UndeclaredThrowableException) {
+ t = t.getCause();
+ }
+ if (t instanceof RemoteException && t.getCause() != null) {
+ t = t.getCause();
+ }
+ return t;
+ }
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/TajoServiceException.java
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diff --git a/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/TajoServiceException.java b/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/TajoServiceException.java
new file mode 100644
index 0000000..113d181
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/main/java/org/apache/tajo/rpc/TajoServiceException.java
@@ -0,0 +1,58 @@
+/**
+ * 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.tajo.rpc;
+
+import com.google.protobuf.ServiceException;
+import org.apache.commons.lang.exception.ExceptionUtils;
+
+public class TajoServiceException extends ServiceException {
+ private String traceMessage;
+ private String protocol;
+ private String remoteAddress;
+
+ public TajoServiceException(String message) {
+ super(message);
+ }
+ public TajoServiceException(String message, String traceMessage) {
+ super(message);
+ this.traceMessage = traceMessage;
+ }
+
+ public TajoServiceException(String message, Throwable cause, String protocol, String remoteAddress) {
+ super(message, cause);
+
+ this.protocol = protocol;
+ this.remoteAddress = remoteAddress;
+ }
+
+ public String getTraceMessage() {
+ if(traceMessage == null && getCause() != null){
+ this.traceMessage = ExceptionUtils.getStackTrace(getCause());
+ }
+ return traceMessage;
+ }
+
+ public String getProtocol() {
+ return protocol;
+ }
+
+ public String getRemoteAddress() {
+ return remoteAddress;
+ }
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/main/proto/DummyProtos.proto
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diff --git a/tajo-rpc/tajo-rpc-protobuf/src/main/proto/DummyProtos.proto b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/DummyProtos.proto
new file mode 100644
index 0000000..f53f0d6
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/DummyProtos.proto
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2012 Database Lab., Korea Univ.
+ *
+ * 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.
+ */
+
+option java_package = "org.apache.tajo.rpc.test";
+option java_outer_classname = "DummyProtos";
+option java_generic_services = true;
+option java_generate_equals_and_hash = true;
+
+message MulRequest1 {
+ required int32 x1 = 1;
+ required int32 x2 = 2;
+}
+
+message MulRequest2 {
+ required int32 x1 = 1;
+ required int32 x2 = 2;
+}
+
+message MulResponse {
+ required int32 result1 = 1;
+ required int32 result2 = 2;
+}
+
+message InnerNode {
+ required string instr = 1;
+}
+
+message InnerRequest {
+ repeated InnerNode nodes = 1;
+}
+
+message InnerResponse {
+ repeated InnerNode nodes = 1;
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/main/proto/RpcProtos.proto
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diff --git a/tajo-rpc/tajo-rpc-protobuf/src/main/proto/RpcProtos.proto b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/RpcProtos.proto
new file mode 100644
index 0000000..69f43ed
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/RpcProtos.proto
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2012 Database Lab., Korea Univ.
+ *
+ * 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.
+ */
+
+option java_package = "org.apache.tajo.rpc";
+option java_outer_classname = "RpcProtos";
+
+message RpcRequest {
+ required int32 id = 1;
+ required string method_name = 2;
+ optional bytes request_message = 3;
+}
+
+message RpcResponse {
+ required int32 id = 1;
+ optional bytes response_message = 2;
+ optional string error_class = 3;
+ optional string error_message = 4;
+ optional string error_trace = 5;
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtocol.proto
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diff --git a/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtocol.proto b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtocol.proto
new file mode 100644
index 0000000..58640ea
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtocol.proto
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2012 Database Lab., Korea Univ.
+ *
+ * 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.
+ */
+
+option java_package = "org.apache.tajo.rpc.test";
+option java_outer_classname = "DummyProtocol";
+option java_generic_services = true;
+option java_generate_equals_and_hash = true;
+
+import "TestProtos.proto";
+
+service DummyProtocolService {
+ rpc sum (SumRequest) returns (SumResponse);
+ rpc echo (EchoMessage) returns (EchoMessage);
+ rpc getError (EchoMessage) returns (EchoMessage);
+ rpc getNull (EchoMessage) returns (EchoMessage);
+ rpc deley (EchoMessage) returns (EchoMessage);
+ rpc throwException (EchoMessage) returns (EchoMessage);
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtos.proto
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtos.proto b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtos.proto
new file mode 100644
index 0000000..5001c0e
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/main/proto/TestProtos.proto
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2012 Database Lab., Korea Univ.
+ *
+ * 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.
+ */
+
+option java_package = "org.apache.tajo.rpc.test";
+option java_outer_classname = "TestProtos";
+option java_generic_services = true;
+option java_generate_equals_and_hash = true;
+
+message EchoMessage {
+ required string message = 1;
+}
+
+message SumRequest {
+ required int32 x1 = 1;
+ required int64 x2 = 2;
+ required double x3 = 3;
+ required float x4 = 4;
+}
+
+message SumResponse {
+ required double result = 1;
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/test/java/log4j.properties
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diff --git a/tajo-rpc/tajo-rpc-protobuf/src/test/java/log4j.properties b/tajo-rpc/tajo-rpc-protobuf/src/test/java/log4j.properties
new file mode 100644
index 0000000..2c4d991
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/test/java/log4j.properties
@@ -0,0 +1,25 @@
+##
+# 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.
+#
+
+# log4j configuration used during build and unit tests
+
+log4j.rootLogger=info,stdout
+log4j.threshhold=ALL
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} %p: %c (%M(%L)) - %m%n
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestAsyncRpc.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestAsyncRpc.java b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestAsyncRpc.java
new file mode 100644
index 0000000..a974a65
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestAsyncRpc.java
@@ -0,0 +1,345 @@
+/**
+ * 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.tajo.rpc;
+
+import com.google.protobuf.RpcCallback;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.tajo.rpc.test.DummyProtocol;
+import org.apache.tajo.rpc.test.DummyProtocol.DummyProtocolService.Interface;
+import org.apache.tajo.rpc.test.TestProtos.EchoMessage;
+import org.apache.tajo.rpc.test.TestProtos.SumRequest;
+import org.apache.tajo.rpc.test.TestProtos.SumResponse;
+import org.apache.tajo.rpc.test.impl.DummyProtocolAsyncImpl;
+import org.junit.AfterClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExternalResource;
+import org.junit.runner.Description;
+import org.junit.runners.model.Statement;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+import static org.junit.Assert.*;
+
+public class TestAsyncRpc {
+ private static Log LOG = LogFactory.getLog(TestAsyncRpc.class);
+ private static String MESSAGE = "TestAsyncRpc";
+
+ double sum;
+ String echo;
+
+ AsyncRpcServer server;
+ AsyncRpcClient client;
+ Interface stub;
+ DummyProtocolAsyncImpl service;
+ int retries;
+
+ @Retention(RetentionPolicy.RUNTIME)
+ @Target(ElementType.METHOD)
+ @interface SetupRpcConnection {
+ boolean setupRpcServer() default true;
+ boolean setupRpcClient() default true;
+ }
+
+ @Rule
+ public ExternalResource resource = new ExternalResource() {
+
+ private Description description;
+
+ @Override
+ public Statement apply(Statement base, Description description) {
+ this.description = description;
+ return super.apply(base, description);
+ }
+
+ @Override
+ protected void before() throws Throwable {
+ SetupRpcConnection setupRpcConnection = description.getAnnotation(SetupRpcConnection.class);
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcServer()) {
+ setUpRpcServer();
+ }
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcClient()) {
+ setUpRpcClient();
+ }
+ }
+
+ @Override
+ protected void after() {
+ SetupRpcConnection setupRpcConnection = description.getAnnotation(SetupRpcConnection.class);
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcClient()) {
+ try {
+ tearDownRpcClient();
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ }
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcServer()) {
+ try {
+ tearDownRpcServer();
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ }
+ }
+
+ };
+
+ public void setUpRpcServer() throws Exception {
+ service = new DummyProtocolAsyncImpl();
+ server = new AsyncRpcServer(DummyProtocol.class,
+ service, new InetSocketAddress("127.0.0.1", 0), 2);
+ server.start();
+ }
+
+ public void setUpRpcClient() throws Exception {
+ retries = 1;
+
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(
+ RpcUtils.getConnectAddress(server.getListenAddress()),
+ DummyProtocol.class, true);
+ client = new AsyncRpcClient(rpcConnectionKey, retries);
+ client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT);
+ stub = client.getStub();
+ }
+
+ @AfterClass
+ public static void tearDownClass() throws Exception {
+ RpcChannelFactory.shutdownGracefully();
+ }
+
+ public void tearDownRpcServer() throws Exception {
+ if(server != null) {
+ server.shutdown();
+ server = null;
+ }
+ }
+
+ public void tearDownRpcClient() throws Exception {
+ if(client != null) {
+ client.close();
+ client = null;
+ }
+ }
+
+ boolean calledMarker = false;
+
+ @Test
+ public void testRpc() throws Exception {
+
+ SumRequest sumRequest = SumRequest.newBuilder()
+ .setX1(1)
+ .setX2(2)
+ .setX3(3.15d)
+ .setX4(2.0f).build();
+
+ stub.sum(null, sumRequest, new RpcCallback<SumResponse>() {
+ @Override
+ public void run(SumResponse parameter) {
+ sum = parameter.getResult();
+ assertTrue(8.15d == sum);
+ }
+ });
+
+
+ EchoMessage echoMessage = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ RpcCallback<EchoMessage> callback = new RpcCallback<EchoMessage>() {
+ @Override
+ public void run(EchoMessage parameter) {
+ echo = parameter.getMessage();
+ assertEquals(MESSAGE, echo);
+ calledMarker = true;
+ }
+ };
+ stub.echo(null, echoMessage, callback);
+ Thread.sleep(1000);
+ assertTrue(calledMarker);
+ }
+
+ private CountDownLatch testNullLatch;
+
+ @Test
+ public void testGetNull() throws Exception {
+ testNullLatch = new CountDownLatch(1);
+ stub.getNull(null, null, new RpcCallback<EchoMessage>() {
+ @Override
+ public void run(EchoMessage parameter) {
+ assertNull(parameter);
+ LOG.info("testGetNull retrieved");
+ testNullLatch.countDown();
+ }
+ });
+ assertTrue(testNullLatch.await(1000, TimeUnit.MILLISECONDS));
+ assertTrue(service.getNullCalled);
+ }
+
+ @Test
+ public void testCallFuture() throws Exception {
+ EchoMessage echoMessage = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ CallFuture<EchoMessage> future = new CallFuture<EchoMessage>();
+ stub.deley(null, echoMessage, future);
+
+ assertFalse(future.isDone());
+ assertEquals(future.get(), echoMessage);
+ assertTrue(future.isDone());
+ }
+
+ @Test
+ public void testCallFutureTimeout() throws Exception {
+ boolean timeout = false;
+ try {
+ EchoMessage echoMessage = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ CallFuture<EchoMessage> future = new CallFuture<EchoMessage>();
+ stub.deley(null, echoMessage, future);
+
+ assertFalse(future.isDone());
+ future.get(1, TimeUnit.SECONDS);
+ } catch (TimeoutException te) {
+ timeout = true;
+ }
+ assertTrue(timeout);
+ }
+
+ @Test
+ public void testCallFutureDisconnected() throws Exception {
+ EchoMessage echoMessage = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ CallFuture<EchoMessage> future = new CallFuture<EchoMessage>();
+
+ tearDownRpcServer();
+
+ stub.echo(future.getController(), echoMessage, future);
+ EchoMessage response = future.get();
+
+ assertNull(response);
+ assertTrue(future.getController().failed());
+ assertTrue(future.getController().errorText() != null);
+ }
+
+ @Test
+ public void testStubDisconnected() throws Exception {
+
+ EchoMessage echoMessage = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ CallFuture<EchoMessage> future = new CallFuture<EchoMessage>();
+
+ if (server != null) {
+ server.shutdown(true);
+ server = null;
+ }
+
+ stub = client.getStub();
+ stub.echo(future.getController(), echoMessage, future);
+ EchoMessage response = future.get();
+
+ assertNull(response);
+ assertTrue(future.getController().failed());
+ assertTrue(future.getController().errorText() != null);
+ }
+
+ @Test
+ @SetupRpcConnection(setupRpcServer=false,setupRpcClient=false)
+ public void testConnectionRetry() throws Exception {
+ retries = 10;
+ ServerSocket serverSocket = new ServerSocket(0);
+ final InetSocketAddress address = new InetSocketAddress("127.0.0.1", serverSocket.getLocalPort());
+ serverSocket.close();
+ service = new DummyProtocolAsyncImpl();
+
+ EchoMessage echoMessage = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ CallFuture<EchoMessage> future = new CallFuture<EchoMessage>();
+
+ //lazy startup
+ Thread serverThread = new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ Thread.sleep(1000);
+ server = new AsyncRpcServer(DummyProtocol.class,
+ service, address, 2);
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ server.start();
+ }
+ });
+ serverThread.start();
+
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(address, DummyProtocol.class, true);
+ client = new AsyncRpcClient(rpcConnectionKey, retries);
+ assertTrue(client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT));
+ stub = client.getStub();
+ stub.echo(future.getController(), echoMessage, future);
+
+ assertFalse(future.isDone());
+ assertEquals(echoMessage, future.get());
+ assertTrue(future.isDone());
+ }
+
+ @Test
+ public void testConnectionFailure() throws Exception {
+ InetSocketAddress address = new InetSocketAddress("test", 0);
+ try {
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(address, DummyProtocol.class, true);
+ NettyClientBase client = new AsyncRpcClient(rpcConnectionKey, retries);
+ assertFalse(client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT));
+ } catch (Throwable throwable) {
+ fail();
+ }
+ }
+
+ @Test
+ @SetupRpcConnection(setupRpcClient=false)
+ public void testUnresolvedAddress() throws Exception {
+ String hostAndPort = RpcUtils.normalizeInetSocketAddress(server.getListenAddress());
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(
+ RpcUtils.createUnresolved(hostAndPort), DummyProtocol.class, true);
+ client = new AsyncRpcClient(rpcConnectionKey, retries);
+ assertTrue(client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT));
+ Interface stub = client.getStub();
+ EchoMessage echoMessage = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ CallFuture<EchoMessage> future = new CallFuture<EchoMessage>();
+ stub.deley(null, echoMessage, future);
+
+ assertFalse(future.isDone());
+ assertEquals(future.get(), echoMessage);
+ assertTrue(future.isDone());
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestBlockingRpc.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestBlockingRpc.java b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestBlockingRpc.java
new file mode 100644
index 0000000..10dd766
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/TestBlockingRpc.java
@@ -0,0 +1,349 @@
+/**
+ * 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.tajo.rpc;
+
+import org.apache.tajo.rpc.test.DummyProtocol;
+import org.apache.tajo.rpc.test.DummyProtocol.DummyProtocolService.BlockingInterface;
+import org.apache.tajo.rpc.test.TestProtos.EchoMessage;
+import org.apache.tajo.rpc.test.TestProtos.SumRequest;
+import org.apache.tajo.rpc.test.TestProtos.SumResponse;
+import org.apache.tajo.rpc.test.impl.DummyProtocolBlockingImpl;
+import org.junit.AfterClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExternalResource;
+import org.junit.runner.Description;
+import org.junit.runners.model.Statement;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import static org.junit.Assert.*;
+
+public class TestBlockingRpc {
+ public static final String MESSAGE = "TestBlockingRpc";
+
+ private BlockingRpcServer server;
+ private BlockingRpcClient client;
+ private BlockingInterface stub;
+ private DummyProtocolBlockingImpl service;
+ private int retries;
+
+ @Retention(RetentionPolicy.RUNTIME)
+ @Target(ElementType.METHOD)
+ @interface SetupRpcConnection {
+ boolean setupRpcServer() default true;
+ boolean setupRpcClient() default true;
+ }
+
+ @Rule
+ public ExternalResource resource = new ExternalResource() {
+
+ private Description description;
+
+ @Override
+ public Statement apply(Statement base, Description description) {
+ this.description = description;
+ return super.apply(base, description);
+ }
+
+ @Override
+ protected void before() throws Throwable {
+ SetupRpcConnection setupRpcConnection = description.getAnnotation(SetupRpcConnection.class);
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcServer()) {
+ setUpRpcServer();
+ }
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcClient()) {
+ setUpRpcClient();
+ }
+ }
+
+ @Override
+ protected void after() {
+ SetupRpcConnection setupRpcConnection = description.getAnnotation(SetupRpcConnection.class);
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcClient()) {
+ try {
+ tearDownRpcClient();
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ }
+
+ if (setupRpcConnection == null || setupRpcConnection.setupRpcServer()) {
+ try {
+ tearDownRpcServer();
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ }
+ }
+
+ };
+
+ public void setUpRpcServer() throws Exception {
+ service = new DummyProtocolBlockingImpl();
+ server = new BlockingRpcServer(DummyProtocol.class, service,
+ new InetSocketAddress("127.0.0.1", 0), 2);
+ server.start();
+ }
+
+ public void setUpRpcClient() throws Exception {
+ retries = 1;
+
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(
+ RpcUtils.getConnectAddress(server.getListenAddress()),
+ DummyProtocol.class, false);
+ client = new BlockingRpcClient(rpcConnectionKey, retries);
+ assertTrue(client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT));
+ stub = client.getStub();
+ }
+
+ @AfterClass
+ public static void tearDownClass() throws Exception {
+ RpcChannelFactory.shutdownGracefully();
+ }
+
+ public void tearDownRpcServer() throws Exception {
+ if(server != null) {
+ server.shutdown();
+ server = null;
+ }
+ }
+
+ public void tearDownRpcClient() throws Exception {
+ if(client != null) {
+ client.close();
+ client = null;
+ }
+ }
+
+ @Test
+ public void testRpc() throws Exception {
+ SumRequest request = SumRequest.newBuilder()
+ .setX1(1)
+ .setX2(2)
+ .setX3(3.15d)
+ .setX4(2.0f).build();
+ SumResponse response1 = stub.sum(null, request);
+ assertEquals(8.15d, response1.getResult(), 1e-15);
+
+ EchoMessage message = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ EchoMessage response2 = stub.echo(null, message);
+ assertEquals(MESSAGE, response2.getMessage());
+ }
+
+ @Test
+ @SetupRpcConnection(setupRpcClient=false)
+ public void testRpcWithServiceCallable() throws Exception {
+ RpcConnectionPool pool = RpcConnectionPool.getPool();
+ final SumRequest request = SumRequest.newBuilder()
+ .setX1(1)
+ .setX2(2)
+ .setX3(3.15d)
+ .setX4(2.0f).build();
+
+ SumResponse response =
+ new ServerCallable<SumResponse>(pool,
+ server.getListenAddress(), DummyProtocol.class, false) {
+ @Override
+ public SumResponse call(NettyClientBase client) throws Exception {
+ BlockingInterface stub2 = client.getStub();
+ SumResponse response1 = stub2.sum(null, request);
+ return response1;
+ }
+ }.withRetries();
+
+ assertEquals(8.15d, response.getResult(), 1e-15);
+
+ response =
+ new ServerCallable<SumResponse>(pool,
+ server.getListenAddress(), DummyProtocol.class, false) {
+ @Override
+ public SumResponse call(NettyClientBase client) throws Exception {
+ BlockingInterface stub2 = client.getStub();
+ SumResponse response1 = stub2.sum(null, request);
+ return response1;
+ }
+ }.withoutRetries();
+
+ assertTrue(8.15d == response.getResult());
+ pool.close();
+ }
+
+ @Test
+ public void testThrowException() throws Exception {
+ EchoMessage message = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+
+ try {
+ stub.throwException(null, message);
+ fail("RpcCall should throw exception");
+ } catch (Throwable t) {
+ assertTrue(t instanceof TajoServiceException);
+ assertEquals("Exception Test", t.getMessage());
+ TajoServiceException te = (TajoServiceException)t;
+ assertEquals("org.apache.tajo.rpc.test.DummyProtocol", te.getProtocol());
+ assertEquals(server.getListenAddress().getAddress().getHostAddress() + ":" + server.getListenAddress().getPort(),
+ te.getRemoteAddress());
+ }
+ }
+
+ @Test
+ @SetupRpcConnection(setupRpcServer=false,setupRpcClient=false)
+ public void testConnectionRetry() throws Exception {
+ retries = 10;
+ ServerSocket serverSocket = new ServerSocket(0);
+ final InetSocketAddress address = new InetSocketAddress("127.0.0.1", serverSocket.getLocalPort());
+ serverSocket.close();
+
+ EchoMessage message = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+
+ //lazy startup
+ Thread serverThread = new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ Thread.sleep(1000);
+ server = new BlockingRpcServer(DummyProtocol.class, new DummyProtocolBlockingImpl(), address, 2);
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ server.start();
+ }
+ });
+ serverThread.start();
+
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(address, DummyProtocol.class, false);
+ client = new BlockingRpcClient(rpcConnectionKey, retries);
+ assertTrue(client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT));
+ stub = client.getStub();
+
+ EchoMessage response = stub.echo(null, message);
+ assertEquals(MESSAGE, response.getMessage());
+ }
+
+ @Test
+ public void testConnectionFailed() throws Exception {
+ NettyClientBase client = null;
+
+ try {
+ int port = server.getListenAddress().getPort() + 1;
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(
+ RpcUtils.getConnectAddress(new InetSocketAddress("127.0.0.1", port)),
+ DummyProtocol.class, false);
+ client = new BlockingRpcClient(rpcConnectionKey, retries);
+ assertFalse(client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT));
+ client.close();
+ } catch (Throwable ce){
+ if (client != null) {
+ client.close();
+ }
+ fail();
+ }
+ }
+
+ @Test
+ public void testGetNull() throws Exception {
+ assertNull(stub.getNull(null, null));
+ assertTrue(service.getNullCalled);
+ }
+
+ @Test
+ public void testShutdown() throws Exception {
+ final StringBuilder error = new StringBuilder();
+ Thread callThread = new Thread() {
+ public void run() {
+ try {
+ EchoMessage message = EchoMessage.newBuilder()
+ .setMessage(MESSAGE)
+ .build();
+ stub.deley(null, message);
+ } catch (Exception e) {
+ error.append(e.getMessage());
+ }
+ synchronized(error) {
+ error.notifyAll();
+ }
+ }
+ };
+
+ callThread.start();
+
+ final CountDownLatch latch = new CountDownLatch(1);
+ Thread shutdownThread = new Thread() {
+ public void run() {
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ }
+ try {
+ server.shutdown();
+ server = null;
+ latch.countDown();
+ } catch (Throwable e) {
+ e.printStackTrace();
+ }
+ }
+ };
+ shutdownThread.start();
+
+ assertTrue(latch.await(5 * 1000, TimeUnit.MILLISECONDS));
+
+ assertTrue(latch.getCount() == 0);
+
+ synchronized(error) {
+ error.wait(5 * 1000);
+ }
+
+ if(!error.toString().isEmpty()) {
+ fail(error.toString());
+ }
+ }
+
+ @Test
+ @SetupRpcConnection(setupRpcClient=false)
+ public void testUnresolvedAddress() throws Exception {
+ String hostAndPort = RpcUtils.normalizeInetSocketAddress(server.getListenAddress());
+ RpcConnectionPool.RpcConnectionKey rpcConnectionKey =
+ new RpcConnectionPool.RpcConnectionKey(
+ RpcUtils.createUnresolved(hostAndPort), DummyProtocol.class, false);
+ client = new BlockingRpcClient(rpcConnectionKey, retries);
+ assertTrue(client.acquire(RpcConnectionPool.DEFAULT_TIMEOUT));
+ BlockingInterface stub = client.getStub();
+
+ EchoMessage message = EchoMessage.newBuilder()
+ .setMessage(MESSAGE).build();
+ EchoMessage response2 = stub.echo(null, message);
+ assertEquals(MESSAGE, response2.getMessage());
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolAsyncImpl.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolAsyncImpl.java b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolAsyncImpl.java
new file mode 100644
index 0000000..0ca7563
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolAsyncImpl.java
@@ -0,0 +1,86 @@
+/**
+ * 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.tajo.rpc.test.impl;
+
+import com.google.protobuf.RpcCallback;
+import com.google.protobuf.RpcController;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.tajo.rpc.test.DummyProtocol.DummyProtocolService.Interface;
+import org.apache.tajo.rpc.test.TestProtos.EchoMessage;
+import org.apache.tajo.rpc.test.TestProtos.SumRequest;
+import org.apache.tajo.rpc.test.TestProtos.SumResponse;
+
+public class DummyProtocolAsyncImpl implements Interface {
+ private static final Log LOG =
+ LogFactory.getLog(DummyProtocolAsyncImpl.class);
+ public boolean getNullCalled = false;
+ public boolean getErrorCalled = false;
+
+ @Override
+ public void sum(RpcController controller, SumRequest request,
+ RpcCallback<SumResponse> done) {
+
+ SumResponse response = SumResponse.newBuilder().setResult(
+ request.getX1()+request.getX2()+request.getX3()+request.getX4()
+ ).build();
+ done.run(response);
+ }
+
+ @Override
+ public void echo(RpcController controller, EchoMessage request,
+ RpcCallback<EchoMessage> done) {
+
+ done.run(request);
+ }
+
+ @Override
+ public void getError(RpcController controller, EchoMessage request,
+ RpcCallback<EchoMessage> done) {
+ LOG.info("noCallback is called");
+ getErrorCalled = true;
+ controller.setFailed(request.getMessage());
+ done.run(request);
+ }
+
+ @Override
+ public void getNull(RpcController controller, EchoMessage request,
+ RpcCallback<EchoMessage> done) {
+ getNullCalled = true;
+ LOG.info("noCallback is called");
+ done.run(null);
+ }
+
+ @Override
+ public void deley(RpcController controller, EchoMessage request,
+ RpcCallback<EchoMessage> done) {
+ try {
+ Thread.sleep(3000);
+ } catch (InterruptedException e) {
+ LOG.error(e.getMessage());
+ }
+
+ done.run(request);
+ }
+
+ public void throwException(RpcController controller, EchoMessage request,
+ RpcCallback<EchoMessage> done) {
+ done.run(request);
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolBlockingImpl.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolBlockingImpl.java b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolBlockingImpl.java
new file mode 100644
index 0000000..8d4b597
--- /dev/null
+++ b/tajo-rpc/tajo-rpc-protobuf/src/test/java/org/apache/tajo/rpc/test/impl/DummyProtocolBlockingImpl.java
@@ -0,0 +1,83 @@
+/**
+ * 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.tajo.rpc.test.impl;
+
+import com.google.protobuf.RpcController;
+import com.google.protobuf.ServiceException;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.tajo.rpc.test.DummyProtocol.DummyProtocolService.BlockingInterface;
+import org.apache.tajo.rpc.test.TestProtos.EchoMessage;
+import org.apache.tajo.rpc.test.TestProtos.SumRequest;
+import org.apache.tajo.rpc.test.TestProtos.SumResponse;
+
+public class DummyProtocolBlockingImpl implements BlockingInterface {
+ private static final Log LOG =
+ LogFactory.getLog(DummyProtocolBlockingImpl.class);
+ public boolean getNullCalled = false;
+ public boolean getErrorCalled = false;
+
+ @Override
+ public SumResponse sum(RpcController controller, SumRequest request)
+ throws ServiceException {
+ return SumResponse.newBuilder().setResult(
+ request.getX1()+request.getX2()+request.getX3()+request.getX4()
+ ).build();
+ }
+
+ @Override
+ public EchoMessage echo(RpcController controller, EchoMessage request)
+ throws ServiceException {
+ return EchoMessage.newBuilder().
+ setMessage(request.getMessage()).build();
+ }
+
+ @Override
+ public EchoMessage getError(RpcController controller, EchoMessage request)
+ throws ServiceException {
+ getErrorCalled = true;
+ controller.setFailed(request.getMessage());
+ return request;
+ }
+
+ @Override
+ public EchoMessage getNull(RpcController controller, EchoMessage request)
+ throws ServiceException {
+ getNullCalled = true;
+ LOG.info("noCallback is called");
+ return null;
+ }
+
+ @Override
+ public EchoMessage deley(RpcController controller, EchoMessage request)
+ throws ServiceException {
+ try {
+ Thread.sleep(3000);
+ } catch (InterruptedException e) {
+ //throw new ServiceException(e.getMessage(), e);
+ }
+
+ return request;
+ }
+
+ public EchoMessage throwException(RpcController controller, EchoMessage request)
+ throws ServiceException {
+ throw new ServiceException("Exception Test");
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/pom.xml
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/pom.xml b/tajo-rpc/tajo-ws-rs/pom.xml
new file mode 100644
index 0000000..a87a67a
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/pom.xml
@@ -0,0 +1,218 @@
+<!--
+ 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.
+ -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <artifactId>tajo-project</artifactId>
+ <version>0.11.0-SNAPSHOT</version>
+ <groupId>org.apache.tajo</groupId>
+ <relativePath>../../tajo-project</relativePath>
+ </parent>
+ <packaging>jar</packaging>
+ <artifactId>tajo-ws-rs</artifactId>
+ <name>Tajo RESTful Container</name>
+ <description>RESTful Container Implementation based on Netty</description>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>1.6</source>
+ <target>1.6</target>
+ <encoding>${project.build.sourceEncoding}</encoding>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.rat</groupId>
+ <artifactId>apache-rat-plugin</artifactId>
+ <executions>
+ <execution>
+ <phase>verify</phase>
+ <goals>
+ <goal>check</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jar-plugin</artifactId>
+ <version>2.4</version>
+ <configuration>
+ </configuration>
+ <executions>
+ <execution>
+ <id>create-jar</id>
+ <phase>prepare-package</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-surefire-report-plugin</artifactId>
+ <version>2.15</version>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-transport</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-codec</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-codec-http</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-handler</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tajo</groupId>
+ <artifactId>tajo-rpc-common</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.glassfish.jersey.core</groupId>
+ <artifactId>jersey-common</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.glassfish.jersey.core</groupId>
+ <artifactId>jersey-server</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>javax.ws.rs</groupId>
+ <artifactId>javax.ws.rs-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>com.google.code.gson</groupId>
+ <artifactId>gson</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
+
+ <profiles>
+ <profile>
+ <id>docs</id>
+ <activation>
+ <activeByDefault>false</activeByDefault>
+ </activation>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <executions>
+ <execution>
+ <!-- build javadoc jars per jar for publishing to maven -->
+ <id>module-javadocs</id>
+ <phase>package</phase>
+ <goals>
+ <goal>jar</goal>
+ </goals>
+ <configuration>
+ <destDir>${project.build.directory}</destDir>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+ <profile>
+ <id>dist</id>
+ <activation>
+ <activeByDefault>false</activeByDefault>
+ </activation>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-antrun-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>dist</id>
+ <phase>package</phase>
+ <goals>
+ <goal>run</goal>
+ </goals>
+ <configuration>
+ <target>
+ <echo file="${project.build.directory}/dist-layout-stitching.sh">
+ run() {
+ echo "\$ ${@}"
+ "${@}"
+ res=$?
+ if [ $res != 0 ]; then
+ echo
+ echo "Failed!"
+ echo
+ exit $res
+ fi
+ }
+
+ ROOT=`cd ${basedir}/..;pwd`
+ echo
+ echo "Current directory `pwd`"
+ echo
+ run rm -rf ${project.artifactId}-${project.version}
+ run mkdir ${project.artifactId}-${project.version}
+ run cd ${project.artifactId}-${project.version}
+ run cp -r ${basedir}/target/${project.artifactId}-${project.version}*.jar .
+ echo
+ echo "Tajo RESTful Container dist layout available at: ${project.build.directory}/${project.artifactId}-${project.version}"
+ echo
+ </echo>
+ <exec executable="sh" dir="${project.build.directory}" failonerror="true">
+ <arg line="./dist-layout-stitching.sh" />
+ </exec>
+ </target>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+ </profiles>
+
+ <reporting>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-surefire-report-plugin</artifactId>
+ <version>2.15</version>
+ </plugin>
+ </plugins>
+ </reporting>
+
+</project>
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestChannelInitializer.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestChannelInitializer.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestChannelInitializer.java
new file mode 100644
index 0000000..a1ea72b
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestChannelInitializer.java
@@ -0,0 +1,50 @@
+/**
+ * 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.tajo.ws.rs.netty;
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelPipeline;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpServerCodec;
+import io.netty.handler.stream.ChunkedWriteHandler;
+
+/**
+ * Default Channel Initializer for Netty Rest server.
+ */
+public class NettyRestChannelInitializer extends ChannelInitializer<Channel> {
+
+ private ChannelHandler handler;
+
+ public NettyRestChannelInitializer(ChannelHandler handler) {
+ this.handler = handler;
+ }
+
+ @Override
+ protected void initChannel(Channel channel) throws Exception {
+ ChannelPipeline pipeline = channel.pipeline();
+
+ pipeline.addLast(new HttpServerCodec());
+ pipeline.addLast(new HttpObjectAggregator(1 << 16));
+ pipeline.addLast(new ChunkedWriteHandler());
+ pipeline.addLast(handler);
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainer.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainer.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainer.java
new file mode 100644
index 0000000..81d1eeb
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainer.java
@@ -0,0 +1,319 @@
+/**
+ * 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.tajo.ws.rs.netty;
+
+import java.io.OutputStream;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.security.Principal;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import io.netty.buffer.*;
+import io.netty.channel.ChannelDuplexHandler;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelFutureListener;
+import io.netty.channel.ChannelHandler.Sharable;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelPromise;
+import io.netty.handler.codec.http.DefaultFullHttpResponse;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.FullHttpResponse;
+import io.netty.handler.codec.http.HttpHeaders;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.HttpVersion;
+import io.netty.handler.codec.http.LastHttpContent;
+import io.netty.handler.ssl.SslHandler;
+import io.netty.util.CharsetUtil;
+import io.netty.util.ReferenceCountUtil;
+import io.netty.util.concurrent.GenericFutureListener;
+
+import javax.ws.rs.core.Application;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.SecurityContext;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.glassfish.hk2.api.ServiceLocator;
+import org.glassfish.jersey.internal.MapPropertiesDelegate;
+import org.glassfish.jersey.server.ApplicationHandler;
+import org.glassfish.jersey.server.ContainerException;
+import org.glassfish.jersey.server.ContainerRequest;
+import org.glassfish.jersey.server.ContainerResponse;
+import org.glassfish.jersey.server.ResourceConfig;
+import org.glassfish.jersey.server.internal.ConfigHelper;
+import org.glassfish.jersey.server.spi.Container;
+import org.glassfish.jersey.server.spi.ContainerLifecycleListener;
+import org.glassfish.jersey.server.spi.ContainerResponseWriter;
+
+/**
+ * Jersy Container implementation on Netty
+ */
+@Sharable
+public class NettyRestHandlerContainer extends ChannelDuplexHandler implements Container {
+
+ private static Log LOG = LogFactory.getLog(NettyRestHandlerContainer.class);
+
+ private String rootPath;
+
+ private ApplicationHandler applicationHandler;
+ private ContainerLifecycleListener lifecycleListener;
+
+ NettyRestHandlerContainer(Application application) {
+ this(new ApplicationHandler(application));
+ }
+
+ NettyRestHandlerContainer(Application application, ServiceLocator parentLocator) {
+ this(new ApplicationHandler(application, null, parentLocator));
+ }
+
+ NettyRestHandlerContainer(ApplicationHandler appHandler) {
+ applicationHandler = appHandler;
+ lifecycleListener = ConfigHelper.getContainerLifecycleListener(applicationHandler);
+ }
+
+ @Override
+ public ResourceConfig getConfiguration() {
+ return applicationHandler.getConfiguration();
+ }
+
+ @Override
+ public void reload() {
+ reload(getConfiguration());
+ }
+
+ @Override
+ public void reload(ResourceConfig configuration) {
+ lifecycleListener.onShutdown(this);
+ applicationHandler = new ApplicationHandler(configuration);
+ lifecycleListener = ConfigHelper.getContainerLifecycleListener(applicationHandler);
+ lifecycleListener.onReload(this);
+ lifecycleListener.onStartup(this);
+
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("NettyRestHandlerContainer reloaded.");
+ }
+ }
+
+ public void setRootPath(String rootPath) {
+ String tempRootPath = rootPath;
+ if (tempRootPath == null || tempRootPath.isEmpty()) {
+ tempRootPath = "/";
+ } else if (tempRootPath.charAt(tempRootPath.length() - 1) != '/') {
+ tempRootPath += "/";
+ }
+ this.rootPath = tempRootPath;
+ }
+
+ private URI getBaseUri(ChannelHandlerContext ctx, FullHttpRequest request) {
+ URI baseUri;
+ String scheme;
+
+ if (ctx.pipeline().get(SslHandler.class) == null) {
+ scheme = "http";
+ } else {
+ scheme = "https";
+ }
+
+ List<String> hosts = request.headers().getAll(HttpHeaders.Names.HOST);
+ try {
+ if (hosts != null && hosts.size() > 0) {
+ baseUri = new URI(scheme + "://" + hosts.get(0) + rootPath);
+ } else {
+ InetSocketAddress localAddress = (InetSocketAddress) ctx.channel().localAddress();
+ baseUri = new URI(scheme, null, localAddress.getHostName(), localAddress.getPort(),
+ rootPath, null, null);
+ }
+ } catch (URISyntaxException e) {
+ throw new IllegalArgumentException(e);
+ }
+
+ return baseUri;
+ }
+
+ protected void messageReceived(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
+ URI baseUri = getBaseUri(ctx, request);
+ URI requestUri = baseUri.resolve(request.getUri());
+ ByteBuf responseContent = PooledByteBufAllocator.DEFAULT.buffer();
+ FullHttpResponse response =
+ new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, responseContent);
+
+ NettyRestResponseWriter responseWriter = new NettyRestResponseWriter(ctx, response);
+ ContainerRequest containerRequest = new ContainerRequest(baseUri, requestUri,
+ request.getMethod().name(), getSecurityContext(), new MapPropertiesDelegate());
+ containerRequest.setEntityStream(new ByteBufInputStream(request.content()));
+
+ HttpHeaders httpHeaders = request.headers();
+ for (String headerName: httpHeaders.names()) {
+ List<String> headerValues = httpHeaders.getAll(headerName);
+ containerRequest.headers(headerName, headerValues);
+ }
+ containerRequest.setWriter(responseWriter);
+ try {
+ applicationHandler.handle(containerRequest);
+ } finally {
+ responseWriter.releaseConnection();
+ }
+ }
+
+ @Override
+ public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+ boolean needRelease = true;
+ try {
+ if (msg instanceof FullHttpRequest) {
+ FullHttpRequest request = (FullHttpRequest) msg;
+ messageReceived(ctx, request);
+ } else {
+ needRelease = false;
+ ctx.fireChannelRead(msg);
+ }
+ } finally {
+ if (needRelease) {
+ ReferenceCountUtil.release(msg);
+ }
+ }
+ }
+
+ private SecurityContext getSecurityContext() {
+ return new SecurityContext() {
+
+ @Override
+ public boolean isUserInRole(String role) {
+ return false;
+ }
+
+ @Override
+ public boolean isSecure() {
+ return false;
+ }
+
+ @Override
+ public Principal getUserPrincipal() {
+ return null;
+ }
+
+ @Override
+ public String getAuthenticationScheme() {
+ return null;
+ }
+ };
+ }
+
+ /**
+ * Internal class for writing content on REST service.
+ */
+ static class NettyRestResponseWriter implements ContainerResponseWriter {
+
+ private final ChannelHandlerContext ctx;
+ private final FullHttpResponse response;
+ private final AtomicBoolean closed;
+
+ public NettyRestResponseWriter(ChannelHandlerContext ctx, FullHttpResponse response) {
+ this.ctx = ctx;
+ this.response = response;
+ this.closed = new AtomicBoolean(false);
+ }
+
+ @Override
+ public void commit() {
+ if (closed.compareAndSet(false, true)) {
+ ctx.write(response);
+ sendLastHttpContent();
+ }
+ }
+
+ @Override
+ public boolean enableResponseBuffering() {
+ return false;
+ }
+
+ @Override
+ public void failure(Throwable error) {
+ try {
+ sendError(HttpResponseStatus.INTERNAL_SERVER_ERROR, error);
+ } finally {
+ if (ctx.channel().isActive()) {
+ ctx.close();
+ }
+ }
+ }
+
+ private void sendError(HttpResponseStatus status, final Throwable error) {
+ FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status,
+ Unpooled.copiedBuffer(error.getMessage(), CharsetUtil.UTF_8));
+ response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");
+ ChannelPromise promise = ctx.newPromise();
+ promise.addListener(new GenericFutureListener<ChannelFuture>() {
+
+ @Override
+ public void operationComplete(ChannelFuture future) throws Exception {
+ if (!future.isSuccess()) {
+ throw new ContainerException(error);
+ }
+ }
+ });
+
+ ctx.writeAndFlush(response, promise);
+ }
+
+ @Override
+ public void setSuspendTimeout(long timeOut, TimeUnit timeUnit) throws IllegalStateException {
+ throw new UnsupportedOperationException("setSuspendTimeout is not supported on this container.");
+ }
+
+ @Override
+ public boolean suspend(long timeOut, TimeUnit timeUnit, TimeoutHandler timeoutHandler) {
+ throw new UnsupportedOperationException("suspend is not supported on this container.");
+ }
+
+ @Override
+ public OutputStream writeResponseStatusAndHeaders(long contentLength, ContainerResponse context)
+ throws ContainerException {
+ MultivaluedMap<String, String> responseHeaders = context.getStringHeaders();
+ HttpHeaders nettyHeaders = response.headers();
+
+ for (Entry<String, List<String>> entry: responseHeaders.entrySet()) {
+ nettyHeaders.add(entry.getKey(), entry.getValue());
+ }
+
+ int status = context.getStatus();
+
+ response.setStatus(HttpResponseStatus.valueOf(status));
+ return new ByteBufOutputStream(response.content());
+ }
+
+ private void sendLastHttpContent() {
+ ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT)
+ .addListener(ChannelFutureListener.CLOSE);
+ }
+
+ private void releaseConnection() {
+ if (closed.compareAndSet(false, true)) {
+ String warnMessage = "ResponseWriter did not be commited.";
+ LOG.warn(warnMessage);
+ failure(new IllegalStateException(warnMessage));
+ }
+ }
+
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainerProvider.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainerProvider.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainerProvider.java
new file mode 100644
index 0000000..7481cfb
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestHandlerContainerProvider.java
@@ -0,0 +1,42 @@
+/**
+ * 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.tajo.ws.rs.netty;
+
+import io.netty.channel.ChannelHandler;
+
+import javax.ws.rs.ProcessingException;
+
+import org.glassfish.jersey.server.ApplicationHandler;
+import org.glassfish.jersey.server.spi.ContainerProvider;
+
+/**
+ * Container Provider for NettyRestHandlerContainer
+ */
+public final class NettyRestHandlerContainerProvider implements ContainerProvider {
+
+ @Override
+ public <T> T createContainer(Class<T> type, ApplicationHandler application) throws ProcessingException {
+ if (type != NettyRestHandlerContainer.class &&
+ (type == null || !ChannelHandler.class.isAssignableFrom(type))) {
+ return null;
+ }
+ return type.cast(new NettyRestHandlerContainer(application));
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServer.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServer.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServer.java
new file mode 100644
index 0000000..f7fe148
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServer.java
@@ -0,0 +1,67 @@
+/**
+ * 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.tajo.ws.rs.netty;
+
+import io.netty.channel.ChannelHandler;
+import java.net.InetSocketAddress;
+
+import org.apache.tajo.rpc.NettyServerBase;
+
+/**
+ * JAX-RS Http Server on Netty implementation.
+ */
+public class NettyRestServer extends NettyServerBase {
+
+ private ChannelHandler handler;
+ private int workerCount;
+
+ public NettyRestServer(InetSocketAddress address, int workerCount) {
+ this("NettyRestService", address, workerCount);
+ }
+
+ public NettyRestServer(String serviceName, InetSocketAddress address, int workerCount) {
+ super(serviceName, address);
+
+ this.workerCount = workerCount;
+ }
+
+ public ChannelHandler getHandler() {
+ return handler;
+ }
+
+ public void setHandler(ChannelHandler handler) {
+ this.handler = handler;
+ }
+
+ /**
+ * Bind desired port and start network service. Before starting network service, {@link NettyRestServer}
+ * will initialize its configuration.
+ *
+ */
+ @Override
+ public void start() {
+ if (handler == null) {
+ throw new IllegalStateException("ChannelHandler is null.");
+ }
+
+ super.init(new NettyRestChannelInitializer(handler), workerCount);
+ super.start();
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerFactory.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerFactory.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerFactory.java
new file mode 100644
index 0000000..5d2eea1
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerFactory.java
@@ -0,0 +1,89 @@
+/**
+ * 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.tajo.ws.rs.netty;
+
+import java.net.InetSocketAddress;
+import java.net.URI;
+
+import org.glassfish.hk2.api.ServiceLocator;
+import org.glassfish.jersey.server.ResourceConfig;
+
+/**
+ * Factory class for creating {@link NettyRestServer} instances
+ */
+public final class NettyRestServerFactory {
+
+ public static NettyRestServer createNettyRestServer(URI uri, ResourceConfig configuration, int workerCount) {
+ return createNettyRestServer(uri, new NettyRestHandlerContainer(configuration), workerCount, true);
+ }
+
+ public static NettyRestServer createNettyRestServer(URI uri, ResourceConfig configuration, int workerCount,
+ boolean start) {
+ return createNettyRestServer(uri, new NettyRestHandlerContainer(configuration), workerCount, start);
+ }
+
+ public static NettyRestServer createNettyRestServer(URI uri, ResourceConfig configuration,
+ ServiceLocator parentLocator, int workerCount) {
+ return createNettyRestServer(uri, new NettyRestHandlerContainer(configuration, parentLocator), workerCount, true);
+ }
+
+ public static NettyRestServer createNettyRestServer(URI uri, ResourceConfig configuration,
+ ServiceLocator parentLocator, int workerCount, boolean start) {
+ return createNettyRestServer(uri, new NettyRestHandlerContainer(configuration, parentLocator), workerCount, start);
+ }
+
+ /**
+ * Creates {@link NettyRestServer} instances with JAX-RS application.
+ *
+ * @param uri
+ * @param handler
+ * @param start
+ * @return
+ */
+ private static NettyRestServer createNettyRestServer(URI uri, NettyRestHandlerContainer handler, int workerCount,
+ boolean start) {
+ if (uri == null) {
+ throw new IllegalArgumentException("uri is null.");
+ }
+
+ String schemeString = uri.getScheme();
+ if (!schemeString.equalsIgnoreCase("http") && !schemeString.equalsIgnoreCase("https")) {
+ throw new IllegalArgumentException("scheme of this uri (" + uri.toString() + ") should be http or https.");
+ }
+
+ int port = uri.getPort();
+ if (port == -1) {
+ throw new IllegalArgumentException("Port number should be provided.");
+ }
+
+ handler.setRootPath(uri.getPath());
+
+ InetSocketAddress bindAddress = new InetSocketAddress(port);
+ NettyRestServer nettyRestServer = new NettyRestServer("Tajo-REST", bindAddress, workerCount);
+
+ nettyRestServer.setHandler(handler);
+ nettyRestServer.addListener(new NettyRestServerListener(handler));
+
+ if (start) {
+ nettyRestServer.start();
+ }
+
+ return nettyRestServer;
+ }
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerListener.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerListener.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerListener.java
new file mode 100644
index 0000000..ecd5bb0
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/NettyRestServerListener.java
@@ -0,0 +1,72 @@
+/**
+ * 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.tajo.ws.rs.netty;
+
+import org.apache.tajo.rpc.RpcEventListener;
+import org.glassfish.jersey.server.ApplicationHandler;
+import org.glassfish.jersey.server.internal.ConfigHelper;
+import org.glassfish.jersey.server.spi.Container;
+import org.glassfish.jersey.server.spi.ContainerLifecycleListener;
+
+/**
+ * Event subscriber for netty rest service.
+ */
+public class NettyRestServerListener implements RpcEventListener {
+
+ private Container container;
+
+ public NettyRestServerListener(Container container) {
+ this.container = container;
+ }
+
+ @Override
+ public void onAfterInit(Object obj) {
+
+ }
+
+ @Override
+ public void onAfterShutdown(Object obj) {
+ ApplicationHandler applicationHandler = new ApplicationHandler(container.getConfiguration());
+ ContainerLifecycleListener lifecycleListener = ConfigHelper.getContainerLifecycleListener(applicationHandler);
+ lifecycleListener.onShutdown(container);
+ }
+
+ @Override
+ public void onAfterStart(Object obj) {
+ ApplicationHandler applicationHandler = new ApplicationHandler(container.getConfiguration());
+ ContainerLifecycleListener lifecycleListener = ConfigHelper.getContainerLifecycleListener(applicationHandler);
+ lifecycleListener.onStartup(container);
+ }
+
+ @Override
+ public void onBeforeInit(Object obj) {
+
+ }
+
+ @Override
+ public void onBeforeShutdown(Object obj) {
+
+ }
+
+ @Override
+ public void onBeforeStart(Object obj) {
+
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonFeature.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonFeature.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonFeature.java
new file mode 100644
index 0000000..26086d4
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonFeature.java
@@ -0,0 +1,34 @@
+/**
+ * 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.tajo.ws.rs.netty.gson;
+
+import javax.ws.rs.core.Feature;
+import javax.ws.rs.core.FeatureContext;
+import javax.ws.rs.ext.MessageBodyReader;
+import javax.ws.rs.ext.MessageBodyWriter;
+
+public class GsonFeature implements Feature {
+
+ @Override
+ public boolean configure(FeatureContext featureContext) {
+ featureContext.register(GsonReader.class, MessageBodyReader.class);
+ featureContext.register(GsonWriter.class, MessageBodyWriter.class);
+ return true;
+ }
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonReader.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonReader.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonReader.java
new file mode 100644
index 0000000..4d6e440
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonReader.java
@@ -0,0 +1,52 @@
+/**
+ * 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.tajo.ws.rs.netty.gson;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyReader;
+import java.io.*;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+
+/**
+ * Custom message body reader with Gson feature.
+ */
+@Consumes(MediaType.APPLICATION_JSON)
+public class GsonReader<T> implements MessageBodyReader<T> {
+
+ @Override
+ public boolean isReadable(Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
+ return GsonUtil.isJsonType(mediaType);
+ }
+
+ @Override
+ public T readFrom(Class<T> aClass, Type type, Annotation[] annotations, MediaType mediaType,
+ MultivaluedMap<String, String> multivaluedMap, InputStream inputStream)
+ throws IOException, WebApplicationException {
+ Gson gson = new GsonBuilder().create();
+ Reader reader = new BufferedReader(new InputStreamReader(inputStream));
+ return gson.fromJson(reader, type);
+ }
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonUtil.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonUtil.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonUtil.java
new file mode 100644
index 0000000..f16cb96
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonUtil.java
@@ -0,0 +1,32 @@
+/**
+ * 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.tajo.ws.rs.netty.gson;
+
+import javax.ws.rs.core.MediaType;
+
+public class GsonUtil {
+
+ public static boolean isJsonType(MediaType mediaType) {
+ if (mediaType != null) {
+ String subType = mediaType.getSubtype();
+ return "json".equalsIgnoreCase(subType) || subType.endsWith("+json");
+ }
+ return false;
+ }
+}
http://git-wip-us.apache.org/repos/asf/tajo/blob/a9ae3cab/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonWriter.java
----------------------------------------------------------------------
diff --git a/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonWriter.java b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonWriter.java
new file mode 100644
index 0000000..d215611
--- /dev/null
+++ b/tajo-rpc/tajo-ws-rs/src/main/java/org/apache/tajo/ws/rs/netty/gson/GsonWriter.java
@@ -0,0 +1,59 @@
+/**
+ * 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.tajo.ws.rs.netty.gson;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyWriter;
+import java.io.*;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+
+/**
+ * custom message body writer with Gson feature.
+ */
+@Produces(MediaType.APPLICATION_JSON)
+public class GsonWriter<T> implements MessageBodyWriter<T> {
+
+ @Override
+ public boolean isWriteable(Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
+ return GsonUtil.isJsonType(mediaType);
+ }
+
+ @Override
+ public long getSize(T t, Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
+ return 0;
+ }
+
+ @Override
+ public void writeTo(T t, Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType,
+ MultivaluedMap<String, Object> multivaluedMap, OutputStream outputStream)
+ throws IOException, WebApplicationException {
+ Gson gson = new GsonBuilder().create();
+ Writer writer = new BufferedWriter(new OutputStreamWriter(outputStream));
+
+ gson.toJson(t, type, writer);
+ writer.flush();
+ }
+}