HDFS-5234 Move RpcFrameDecoder out of the public API. Contributed by Haohui Mai
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1525104 13f79535-47bb-0310-9956-ffa450edef68
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@ -20,8 +20,8 @@ package org.apache.hadoop.nfs.nfs3;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.mount.MountdBase;
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import org.apache.hadoop.oncrpc.RpcFrameDecoder;
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import org.apache.hadoop.oncrpc.RpcProgram;
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import org.apache.hadoop.oncrpc.RpcUtil;
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import org.apache.hadoop.oncrpc.SimpleTcpServer;
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import org.apache.hadoop.oncrpc.SimpleTcpServerHandler;
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import org.apache.hadoop.portmap.PortmapMapping;
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@ -68,7 +68,8 @@ public abstract class Nfs3Base {
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return new ChannelPipelineFactory() {
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@Override
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public ChannelPipeline getPipeline() {
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return Channels.pipeline(new RpcFrameDecoder(),
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return Channels.pipeline(
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RpcUtil.constructRpcFrameDecoder(),
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new SimpleTcpServerHandler(rpcProgram));
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}
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};
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@ -17,13 +17,65 @@
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*/
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package org.apache.hadoop.oncrpc;
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/**
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* The XID in RPC call. It is used for starting with new seed after each reboot.
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*/
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.jboss.netty.buffer.ChannelBuffer;
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import org.jboss.netty.buffer.ChannelBuffers;
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import org.jboss.netty.channel.Channel;
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import org.jboss.netty.channel.ChannelHandlerContext;
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import org.jboss.netty.handler.codec.frame.FrameDecoder;
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public class RpcUtil {
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/**
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* The XID in RPC call. It is used for starting with new seed after each reboot.
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*/
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private static int xid = (int) (System.currentTimeMillis() / 1000) << 12;
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public static int getNewXid(String caller) {
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return xid = ++xid + caller.hashCode();
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}
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public static FrameDecoder constructRpcFrameDecoder() {
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return new RpcFrameDecoder();
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}
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static class RpcFrameDecoder extends FrameDecoder {
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public static final Log LOG = LogFactory.getLog(RpcFrameDecoder.class);
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private ChannelBuffer currentFrame;
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@Override
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protected Object decode(ChannelHandlerContext ctx, Channel channel,
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ChannelBuffer buf) {
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if (buf.readableBytes() < 4)
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return null;
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buf.markReaderIndex();
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byte[] fragmentHeader = new byte[4];
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buf.readBytes(fragmentHeader);
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int length = XDR.fragmentSize(fragmentHeader);
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boolean isLast = XDR.isLastFragment(fragmentHeader);
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if (buf.readableBytes() < length) {
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buf.resetReaderIndex();
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return null;
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}
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ChannelBuffer newFragment = buf.readSlice(length);
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if (currentFrame == null) {
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currentFrame = newFragment;
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} else {
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currentFrame = ChannelBuffers.wrappedBuffer(currentFrame, newFragment);
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}
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if (isLast) {
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ChannelBuffer completeFrame = currentFrame;
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currentFrame = null;
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return completeFrame;
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} else {
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return null;
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}
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}
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}
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}
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@ -20,8 +20,6 @@ package org.apache.hadoop.oncrpc;
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import java.net.InetSocketAddress;
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import java.util.concurrent.Executors;
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import org.apache.hadoop.oncrpc.RpcFrameDecoder;
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import org.apache.hadoop.oncrpc.XDR;
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import org.jboss.netty.bootstrap.ClientBootstrap;
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import org.jboss.netty.channel.ChannelFactory;
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import org.jboss.netty.channel.ChannelFuture;
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@ -55,7 +53,8 @@ public class SimpleTcpClient {
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this.pipelineFactory = new ChannelPipelineFactory() {
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@Override
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public ChannelPipeline getPipeline() {
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return Channels.pipeline(new RpcFrameDecoder(),
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return Channels.pipeline(
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RpcUtil.constructRpcFrameDecoder(),
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new SimpleTcpClientHandler(request));
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}
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};
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@ -57,7 +57,8 @@ public class SimpleTcpServer {
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return new ChannelPipelineFactory() {
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@Override
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public ChannelPipeline getPipeline() {
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return Channels.pipeline(new RpcFrameDecoder(),
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return Channels.pipeline(
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RpcUtil.constructRpcFrameDecoder(),
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new SimpleTcpServerHandler(rpcProgram));
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}
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};
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@ -44,7 +44,7 @@ public class SimpleTcpServerHandler extends SimpleChannelHandler {
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@Override
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public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
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ChannelBuffer buf = (ChannelBuffer) e.getMessage();
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XDR request = new XDR(buf.array());
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XDR request = new XDR(buf.toByteBuffer().asReadOnlyBuffer(), XDR.State.READING);
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InetAddress remoteInetAddr = ((InetSocketAddress) ctx.getChannel()
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.getRemoteAddress()).getAddress();
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@ -43,7 +43,7 @@ public class SimpleUdpServerHandler extends SimpleChannelHandler {
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public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
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ChannelBuffer buf = (ChannelBuffer) e.getMessage();
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XDR request = new XDR(buf.array());
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XDR request = new XDR(buf.toByteBuffer().asReadOnlyBuffer(), XDR.State.READING);
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InetAddress remoteInetAddr = ((InetSocketAddress) e.getRemoteAddress())
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.getAddress();
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@ -46,7 +46,7 @@ public final class XDR {
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private ByteBuffer buf;
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private enum State {
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public enum State {
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READING, WRITING,
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}
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@ -66,7 +66,7 @@ public final class XDR {
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this(DEFAULT_INITIAL_CAPACITY);
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}
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private XDR(ByteBuffer buf, State state) {
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public XDR(ByteBuffer buf, State state) {
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this.buf = buf;
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this.state = state;
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}
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@ -18,12 +18,14 @@
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package org.apache.hadoop.oncrpc;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import java.net.InetAddress;
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import java.nio.ByteBuffer;
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import org.apache.hadoop.oncrpc.RpcUtil.RpcFrameDecoder;
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import org.apache.hadoop.oncrpc.security.CredentialsNone;
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import org.apache.hadoop.oncrpc.security.VerifierNone;
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import org.jboss.netty.buffer.ByteBufferBackedChannelBuffer;
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@ -138,7 +140,7 @@ public class TestFrameDecoder {
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buf);
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assertTrue(channelBuffer != null);
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// Complete frame should have to total size 10+10=20
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assertTrue(channelBuffer.array().length == 20);
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assertEquals(20, channelBuffer.readableBytes());
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}
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@Test
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@ -195,4 +197,4 @@ public class TestFrameDecoder {
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* static void testDump() { XDR xdr_out = new XDR();
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* createPortmapXDRheader(xdr_out, 4); testRequest(xdr_out); }
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*/
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}
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}
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@ -17,10 +17,9 @@
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*/
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package org.apache.hadoop.oncrpc;
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import org.junit.Assert;
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import org.junit.Test;
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import junit.framework.Assert;
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public class TestXDR {
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private void serializeInt(int times) {
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XDR w = new XDR();
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@ -33,8 +33,8 @@ import org.apache.hadoop.nfs.nfs3.request.SetAttr3;
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import org.apache.hadoop.nfs.nfs3.request.WRITE3Request;
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import org.apache.hadoop.oncrpc.RegistrationClient;
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import org.apache.hadoop.oncrpc.RpcCall;
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import org.apache.hadoop.oncrpc.RpcFrameDecoder;
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import org.apache.hadoop.oncrpc.RpcReply;
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import org.apache.hadoop.oncrpc.RpcUtil;
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import org.apache.hadoop.oncrpc.SimpleTcpClient;
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import org.apache.hadoop.oncrpc.SimpleTcpClientHandler;
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import org.apache.hadoop.oncrpc.XDR;
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@ -136,8 +136,9 @@ public class TestOutOfOrderWrite {
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protected ChannelPipelineFactory setPipelineFactory() {
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this.pipelineFactory = new ChannelPipelineFactory() {
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public ChannelPipeline getPipeline() {
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return Channels.pipeline(new RpcFrameDecoder(), new WriteHandler(
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request));
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return Channels.pipeline(
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RpcUtil.constructRpcFrameDecoder(),
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new WriteHandler(request));
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}
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};
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return this.pipelineFactory;
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@ -366,6 +366,9 @@ Release 2.1.1-beta - 2013-09-23
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HDFS-5199 Add more debug trace for NFS READ and WRITE. (brandonli)
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HDFS-5234 Move RpcFrameDecoder out of the public API.
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(Haohui Mai via brandonli)
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IMPROVEMENTS
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HDFS-4513. Clarify in the WebHDFS REST API that all JSON respsonses may
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