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Posted to common-commits@hadoop.apache.org by br...@apache.org on 2013/11/22 00:00:01 UTC

svn commit: r1544360 - in /hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src: main/java/org/apache/hadoop/portmap/ test/java/org/apache/hadoop/portmap/

Author: brandonli
Date: Thu Nov 21 23:00:00 2013
New Revision: 1544360

URL: http://svn.apache.org/r1544360
Log:
HDFS-5288. Merging change r1544359 from branch-2

Added:
    hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/portmap/
      - copied from r1544359, hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/portmap/
    hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/portmap/TestPortmap.java
      - copied unchanged from r1544359, hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/portmap/TestPortmap.java
Modified:
    hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/Portmap.java
    hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/PortmapResponse.java
    hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/RpcProgramPortmap.java

Modified: hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/Portmap.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/Portmap.java?rev=1544360&r1=1544359&r2=1544360&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/Portmap.java (original)
+++ hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/Portmap.java Thu Nov 21 23:00:00 2013
@@ -17,42 +17,111 @@
  */
 package org.apache.hadoop.portmap;
 
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.oncrpc.RpcProgram;
-import org.apache.hadoop.oncrpc.SimpleTcpServer;
-import org.apache.hadoop.oncrpc.SimpleUdpServer;
+import org.apache.hadoop.oncrpc.RpcUtil;
 import org.apache.hadoop.util.StringUtils;
+import org.jboss.netty.bootstrap.ConnectionlessBootstrap;
+import org.jboss.netty.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelPipeline;
+import org.jboss.netty.channel.ChannelPipelineFactory;
+import org.jboss.netty.channel.Channels;
+import org.jboss.netty.channel.group.ChannelGroup;
+import org.jboss.netty.channel.group.DefaultChannelGroup;
+import org.jboss.netty.channel.socket.nio.NioDatagramChannelFactory;
+import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
+import org.jboss.netty.handler.timeout.IdleStateHandler;
+import org.jboss.netty.util.HashedWheelTimer;
+
+import com.google.common.annotations.VisibleForTesting;
 
 /**
  * Portmap service for binding RPC protocols. See RFC 1833 for details.
  */
-public class Portmap {
-  public static final Log LOG = LogFactory.getLog(Portmap.class);
-
-  private static void startUDPServer(RpcProgramPortmap rpcProgram) {
-    rpcProgram.register(PortmapMapping.TRANSPORT_UDP, RpcProgram.RPCB_PORT);
-    SimpleUdpServer udpServer = new SimpleUdpServer(RpcProgram.RPCB_PORT,
-        rpcProgram, 1);
-    udpServer.run();
-  }
+final class Portmap {
+  private static final Log LOG = LogFactory.getLog(Portmap.class);
+  private static final int DEFAULT_IDLE_TIME_MILLISECONDS = 5000;
 
-  private static void startTCPServer(final RpcProgramPortmap rpcProgram) {
-    rpcProgram.register(PortmapMapping.TRANSPORT_TCP, RpcProgram.RPCB_PORT);
-    SimpleTcpServer tcpServer = new SimpleTcpServer(RpcProgram.RPCB_PORT,
-        rpcProgram, 1);
-    tcpServer.run();
-  }
+  private ConnectionlessBootstrap udpServer;
+  private ServerBootstrap tcpServer;
+  private ChannelGroup allChannels = new DefaultChannelGroup();
+  private Channel udpChannel;
+  private Channel tcpChannel;
+  private final RpcProgramPortmap handler = new RpcProgramPortmap(allChannels);
 
   public static void main(String[] args) {
     StringUtils.startupShutdownMessage(Portmap.class, args, LOG);
-    RpcProgramPortmap program = new RpcProgramPortmap();
+
+    final int port = RpcProgram.RPCB_PORT;
+    Portmap pm = new Portmap();
     try {
-      startUDPServer(program);
-      startTCPServer(program);
+      pm.start(DEFAULT_IDLE_TIME_MILLISECONDS,
+          new InetSocketAddress(port), new InetSocketAddress(port));
     } catch (Throwable e) {
-      LOG.fatal("Start server failure");
+      LOG.fatal("Failed to start the server. Cause:" + e.getMessage());
+      pm.shutdown();
       System.exit(-1);
     }
   }
+
+  void shutdown() {
+    allChannels.close().awaitUninterruptibly();
+    tcpServer.releaseExternalResources();
+    udpServer.releaseExternalResources();
+  }
+
+  @VisibleForTesting
+  SocketAddress getTcpServerLocalAddress() {
+    return tcpChannel.getLocalAddress();
+  }
+
+  @VisibleForTesting
+  SocketAddress getUdpServerLoAddress() {
+    return udpChannel.getLocalAddress();
+  }
+
+  @VisibleForTesting
+  RpcProgramPortmap getHandler() {
+    return handler;
+  }
+
+  void start(final int idleTimeMilliSeconds, final SocketAddress tcpAddress,
+      final SocketAddress udpAddress) {
+
+    tcpServer = new ServerBootstrap(new NioServerSocketChannelFactory(
+        Executors.newCachedThreadPool(), Executors.newCachedThreadPool()));
+    tcpServer.setPipelineFactory(new ChannelPipelineFactory() {
+      private final HashedWheelTimer timer = new HashedWheelTimer();
+      private final IdleStateHandler idleStateHandler = new IdleStateHandler(
+          timer, 0, 0, idleTimeMilliSeconds, TimeUnit.MILLISECONDS);
+
+      @Override
+      public ChannelPipeline getPipeline() throws Exception {
+        return Channels.pipeline(RpcUtil.constructRpcFrameDecoder(),
+            RpcUtil.STAGE_RPC_MESSAGE_PARSER, idleStateHandler, handler,
+            RpcUtil.STAGE_RPC_TCP_RESPONSE);
+      }
+    });
+
+    udpServer = new ConnectionlessBootstrap(new NioDatagramChannelFactory(
+        Executors.newCachedThreadPool()));
+
+    udpServer.setPipeline(Channels.pipeline(RpcUtil.STAGE_RPC_MESSAGE_PARSER,
+        handler, RpcUtil.STAGE_RPC_UDP_RESPONSE));
+
+    tcpChannel = tcpServer.bind(tcpAddress);
+    udpChannel = udpServer.bind(udpAddress);
+    allChannels.add(tcpChannel);
+    allChannels.add(udpChannel);
+
+    LOG.info("Portmap server started at tcp://" + tcpChannel.getLocalAddress()
+        + ", udp://" + udpChannel.getLocalAddress());
+  }
 }

Modified: hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/PortmapResponse.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/PortmapResponse.java?rev=1544360&r1=1544359&r2=1544360&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/PortmapResponse.java (original)
+++ hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/PortmapResponse.java Thu Nov 21 23:00:00 2013
@@ -17,9 +17,6 @@
  */
 package org.apache.hadoop.portmap;
 
-import java.util.Arrays;
-import java.util.Collection;
-
 import org.apache.hadoop.oncrpc.RpcAcceptedReply;
 import org.apache.hadoop.oncrpc.XDR;
 import org.apache.hadoop.oncrpc.security.VerifierNone;
@@ -45,18 +42,13 @@ public class PortmapResponse {
     return xdr;
   }
 
-  public static XDR pmapList(XDR xdr, int xid, Collection<PortmapMapping> list) {
+  public static XDR pmapList(XDR xdr, int xid, PortmapMapping[] list) {
     RpcAcceptedReply.getAcceptInstance(xid, new VerifierNone()).write(xdr);
     for (PortmapMapping mapping : list) {
-      System.out.println(mapping);
       xdr.writeBoolean(true); // Value follows
       mapping.serialize(xdr);
     }
     xdr.writeBoolean(false); // No value follows
     return xdr;
   }
-  
-  public static XDR pmapList(XDR xdr, int xid, PortmapMapping[] list) {
-    return pmapList(xdr, xid, Arrays.asList(list));
-  }
 }

Modified: hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/RpcProgramPortmap.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/RpcProgramPortmap.java?rev=1544360&r1=1544359&r2=1544360&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/RpcProgramPortmap.java (original)
+++ hadoop/common/branches/branch-2.2/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/portmap/RpcProgramPortmap.java Thu Nov 21 23:00:00 2013
@@ -18,8 +18,6 @@
 package org.apache.hadoop.portmap;
 
 import java.util.HashMap;
-import java.util.Map.Entry;
-import java.util.Set;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -34,31 +32,34 @@ import org.apache.hadoop.oncrpc.security
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.ChannelHandlerContext;
-
-/**
- * An rpcbind request handler.
- */
-public class RpcProgramPortmap extends RpcProgram implements PortmapInterface {
-  public static final int PROGRAM = 100000;
-  public static final int VERSION = 2;
-  
+import org.jboss.netty.channel.ChannelStateEvent;
+import org.jboss.netty.channel.ExceptionEvent;
+import org.jboss.netty.channel.MessageEvent;
+import org.jboss.netty.channel.group.ChannelGroup;
+import org.jboss.netty.handler.timeout.IdleState;
+import org.jboss.netty.handler.timeout.IdleStateAwareChannelUpstreamHandler;
+import org.jboss.netty.handler.timeout.IdleStateEvent;
+
+final class RpcProgramPortmap extends IdleStateAwareChannelUpstreamHandler implements PortmapInterface {
+  static final int PROGRAM = 100000;
+  static final int VERSION = 2;
   private static final Log LOG = LogFactory.getLog(RpcProgramPortmap.class);
 
   /** Map synchronized usis monitor lock of this instance */
   private final HashMap<String, PortmapMapping> map;
 
-  public RpcProgramPortmap() {
-    super("portmap", "localhost", RPCB_PORT, PROGRAM, VERSION, VERSION);
-    map = new HashMap<String, PortmapMapping>(256);
-  }
+  /** ChannelGroup that remembers all active channels for gracefully shutdown. */
+  private final ChannelGroup allChannels;
 
-  /** Dump all the register RPC services */
-  private synchronized void dumpRpcServices() {
-    Set<Entry<String, PortmapMapping>> entrySet = map.entrySet();
-    for (Entry<String, PortmapMapping> entry : entrySet) {
-      LOG.info("Service: " + entry.getKey() + " portmapping: "
-          + entry.getValue());
-    }
+  RpcProgramPortmap(ChannelGroup allChannels) {
+    this.allChannels = allChannels;
+    map = new HashMap<String, PortmapMapping>(256);
+    PortmapMapping m = new PortmapMapping(PROGRAM, VERSION,
+        PortmapMapping.TRANSPORT_TCP, RpcProgram.RPCB_PORT);
+    PortmapMapping m1 = new PortmapMapping(PROGRAM, VERSION,
+        PortmapMapping.TRANSPORT_UDP, RpcProgram.RPCB_PORT);
+    map.put(PortmapMapping.key(m), m);
+    map.put(PortmapMapping.key(m1), m1);
   }
   
   @Override
@@ -77,7 +78,6 @@ public class RpcProgramPortmap extends R
     PortmapMapping value = null;
     synchronized(this) {
       map.put(key, mapping);
-      dumpRpcServices();
       value = map.get(key);
     }  
     return PortmapResponse.intReply(out, xid, value.getPort());
@@ -126,21 +126,15 @@ public class RpcProgramPortmap extends R
   }
 
   @Override
-  public void register(PortmapMapping mapping) {
-    String key = PortmapMapping.key(mapping);
-    synchronized(this) {
-      map.put(key, mapping);
-    }
-  }
+  public void messageReceived(ChannelHandlerContext ctx, MessageEvent e)
+      throws Exception {
 
-  @Override
-  public void handleInternal(ChannelHandlerContext ctx, RpcInfo info) {
+    RpcInfo info = (RpcInfo) e.getMessage();
     RpcCall rpcCall = (RpcCall) info.header();
     final Procedure portmapProc = Procedure.fromValue(rpcCall.getProcedure());
     int xid = rpcCall.getXid();
-    byte[] data = new byte[info.data().readableBytes()];
-    info.data().readBytes(data);
-    XDR in = new XDR(data);
+    XDR in = new XDR(info.data().toByteBuffer().asReadOnlyBuffer(),
+        XDR.State.READING);
     XDR out = new XDR();
 
     if (portmapProc == Procedure.PMAPPROC_NULL) {
@@ -162,13 +156,29 @@ public class RpcProgramPortmap extends R
       reply.write(out);
     }
 
-    ChannelBuffer buf = ChannelBuffers.wrappedBuffer(out.asReadOnlyWrap().buffer());
+    ChannelBuffer buf = ChannelBuffers.wrappedBuffer(out.asReadOnlyWrap()
+        .buffer());
     RpcResponse rsp = new RpcResponse(buf, info.remoteAddress());
     RpcUtil.sendRpcResponse(ctx, rsp);
   }
   
   @Override
-  protected boolean isIdempotent(RpcCall call) {
-    return false;
+  public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e)
+      throws Exception {
+    allChannels.add(e.getChannel());
+  }
+
+  @Override
+  public void channelIdle(ChannelHandlerContext ctx, IdleStateEvent e)
+      throws Exception {
+    if (e.getState() == IdleState.ALL_IDLE) {
+      e.getChannel().close();
+    }
+  }
+
+  @Override
+  public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
+    LOG.warn("Encountered ", e.getCause());
+    e.getChannel().close();
   }
 }