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From sur...@apache.org
Subject svn commit: r1213980 - in /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs: ./ src/main/java/org/apache/hadoop/hdfs/protocolPB/ src/main/proto/ src/test/java/org/apache/hadoop/hdfs/
Date Tue, 13 Dec 2011 23:17:02 GMT
Author: suresh
Date: Tue Dec 13 23:17:02 2011
New Revision: 1213980

URL: http://svn.apache.org/viewvc?rev=1213980&view=rev
Log:
Reverting r1213512 because it committed changes that were not part of the patch.

Modified:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolClientSideTranslatorPB.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/DatanodeProtocol.proto
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/hdfs.proto
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDfsOverAvroRpc.java

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Tue Dec 13 23:17:02 2011
@@ -32,8 +32,6 @@ Trunk (unreleased changes)
     HDFS-2647. Used protobuf based RPC for InterDatanodeProtocol, 
     ClientDatanodeProtocol, JournalProtocol, NamenodeProtocol. (suresh)
 
-    HDFS-2663. Handle protobuf optional parameters correctly. (suresh)
-
     HDFS-2666. Fix TestBackupNode failure. (suresh)
 
   IMPROVEMENTS

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java
Tue Dec 13 23:17:02 2011
@@ -24,9 +24,6 @@ import org.apache.hadoop.classification.
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.fs.Options.Rename;
 import org.apache.hadoop.hdfs.protocol.ClientProtocol;
-import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
-import org.apache.hadoop.hdfs.protocol.LocatedBlock;
-import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.AbandonBlockRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.AbandonBlockResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.AddBlockRequestProto;
@@ -55,7 +52,6 @@ import org.apache.hadoop.hdfs.protocol.p
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetAdditionalDatanodeResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsResponseProto;
-import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsResponseProto.Builder;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetContentSummaryRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetContentSummaryResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDatanodeReportRequestProto;
@@ -128,7 +124,6 @@ import org.apache.hadoop.hdfs.protocol.p
 import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto;
 import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.UpgradeStatusReportProto;
 import org.apache.hadoop.hdfs.protocolR23Compatible.ProtocolSignatureWritable;
-import org.apache.hadoop.hdfs.server.common.UpgradeStatusReport;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.ipc.ProtocolSignature;
 import org.apache.hadoop.ipc.RPC;
@@ -213,16 +208,11 @@ public class ClientNamenodeProtocolServe
       RpcController controller, GetBlockLocationsRequestProto req)
       throws ServiceException {
     try {
-      LocatedBlocks b = server.getBlockLocations(req.getSrc(), req.getOffset(),
-          req.getLength());
-      Builder builder = GetBlockLocationsResponseProto
-          .newBuilder();
-      if (b != null) {
-        builder.setLocations(
-            PBHelper.convert(server.getBlockLocations(req.getSrc(),
-                req.getOffset(), req.getLength()))).build();
-      }
-      return builder.build();
+      return GetBlockLocationsResponseProto
+          .newBuilder()
+          .setLocations(
+              PBHelper.convert(server.getBlockLocations(req.getSrc(),
+                  req.getOffset(), req.getLength()))).build();
     } catch (IOException e) {
       throw new ServiceException(e);
     }
@@ -335,7 +325,7 @@ public class ClientNamenodeProtocolServe
       return AddBlockResponseProto.newBuilder().setBlock(
           PBHelper.convert(
           server.addBlock(req.getSrc(), req.getClientName(), 
-                req.hasPrevious() ? PBHelper.convert(req.getPrevious()) : null, 
+                PBHelper.convert(req.getPrevious()), 
                 PBHelper.convert(
                   (DatanodeInfoProto[]) req.getExcludeNodesList().toArray()))))
            .build();
@@ -604,14 +594,10 @@ public class ClientNamenodeProtocolServe
       RpcController controller, DistributedUpgradeProgressRequestProto req)
       throws ServiceException {
     try {
-      UpgradeStatusReport result = server.distributedUpgradeProgress(PBHelper
-          .convert(req.getAction()));
-      DistributedUpgradeProgressResponseProto.Builder builder = 
-          DistributedUpgradeProgressResponseProto.newBuilder();
-      if (result != null) {
-        builder.setReport(PBHelper.convert(result));
-      }
-      return builder.build();
+      UpgradeStatusReportProto result = PBHelper.convert(server
+          .distributedUpgradeProgress(PBHelper.convert(req.getAction())));
+      return DistributedUpgradeProgressResponseProto.newBuilder()
+          .setReport(result).build();
     } catch (IOException e) {
       throw new ServiceException(e);
     }
@@ -650,13 +636,9 @@ public class ClientNamenodeProtocolServe
   public GetFileInfoResponseProto getFileInfo(RpcController controller,
       GetFileInfoRequestProto req) throws ServiceException {
     try {
-      HdfsFileStatus res = server.getFileInfo(req.getSrc());
-      GetFileInfoResponseProto.Builder builder = 
-          GetFileInfoResponseProto.newBuilder();
-      if (res != null) {
-        builder.setFs(PBHelper.convert(res));
-      }
-      return builder.build();
+      HdfsFileStatusProto result = 
+          PBHelper.convert(server.getFileInfo(req.getSrc()));
+      return GetFileInfoResponseProto.newBuilder().setFs(result).build();
     } catch (IOException e) {
       throw new ServiceException(e);
     }

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
Tue Dec 13 23:17:02 2011
@@ -83,17 +83,14 @@ import org.apache.hadoop.hdfs.protocol.p
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CreateSymlinkRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.DeleteRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.DistributedUpgradeProgressRequestProto;
-import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.DistributedUpgradeProgressResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.FinalizeUpgradeRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.FsyncRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetAdditionalDatanodeRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsRequestProto;
-import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetBlockLocationsResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetContentSummaryRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDatanodeReportRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetDelegationTokenRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFileInfoRequestProto;
-import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFileInfoResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFileLinkInfoRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFsStatusRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetLinkTargetRequestProto;
@@ -208,10 +205,7 @@ public class ClientNamenodeProtocolTrans
         .setLength(length)
         .build();
     try {
-      GetBlockLocationsResponseProto resp = rpcProxy.getBlockLocations(null,
-          req);
-      return resp.hasLocations() ? 
-        PBHelper.convert(resp.getLocations()) : null;
+      return PBHelper.convert(rpcProxy.getBlockLocations(null, req).getLocations());
     } catch (ServiceException e) {
       throw ProtobufHelper.getRemoteException(e);
     }
@@ -335,15 +329,12 @@ public class ClientNamenodeProtocolTrans
       throws AccessControlException, FileNotFoundException,
       NotReplicatedYetException, SafeModeException, UnresolvedLinkException,
       IOException {
-    AddBlockRequestProto.Builder builder = AddBlockRequestProto.newBuilder();
-    builder.setSrc(src)
-        .setClientName(clientName)
-        .addAllExcludeNodes(Arrays.asList(PBHelper.convert(excludeNodes)));
-    if (previous != null) {
-      builder.setPrevious(PBHelper.convert(previous));
-    }
+    AddBlockRequestProto req = AddBlockRequestProto.newBuilder().setSrc(src)
+        .setClientName(clientName).setPrevious(PBHelper.convert(previous))
+        .addAllExcludeNodes(Arrays.asList(PBHelper.convert(excludeNodes)))
+        .build();
     try {
-      return PBHelper.convert(rpcProxy.addBlock(null, builder.build()).getBlock());
+      return PBHelper.convert(rpcProxy.addBlock(null, req).getBlock());
     } catch (ServiceException e) {
       throw ProtobufHelper.getRemoteException(e);
     }
@@ -624,9 +615,8 @@ public class ClientNamenodeProtocolTrans
         DistributedUpgradeProgressRequestProto.newBuilder().
         setAction(PBHelper.convert(action)).build();
     try {
-      DistributedUpgradeProgressResponseProto res = rpcProxy
-          .distributedUpgradeProgress(null, req);
-      return res.hasReport() ? PBHelper.convert(res.getReport()) : null;
+      return PBHelper.convert(
+          rpcProxy.distributedUpgradeProgress(null, req).getReport());
     } catch (ServiceException e) {
       throw ProtobufHelper.getRemoteException(e);
     }
@@ -663,8 +653,7 @@ public class ClientNamenodeProtocolTrans
     GetFileInfoRequestProto req = GetFileInfoRequestProto.newBuilder()
         .setSrc(src).build();
     try {
-      GetFileInfoResponseProto res = rpcProxy.getFileInfo(null, req);
-      return res.hasFs() ? PBHelper.convert(res.getFs()) : null;
+      return PBHelper.convert(rpcProxy.getFileInfo(null, req).getFs());
     } catch (ServiceException e) {
       throw ProtobufHelper.getRemoteException(e);
     }

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolClientSideTranslatorPB.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolClientSideTranslatorPB.java?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolClientSideTranslatorPB.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolClientSideTranslatorPB.java
Tue Dec 13 23:17:02 2011
@@ -204,7 +204,7 @@ public class DatanodeProtocolClientSideT
     } catch (ServiceException se) {
       throw ProtobufHelper.getRemoteException(se);
     }
-    return resp.hasCmd() ? PBHelper.convert(resp.getCmd()) : null;
+    return PBHelper.convert(resp.getCmd());
   }
 
   @Override
@@ -262,7 +262,7 @@ public class DatanodeProtocolClientSideT
     } catch (ServiceException se) {
       throw ProtobufHelper.getRemoteException(se);
     }
-    return resp.hasCmd() ? PBHelper.convert(resp.getCmd()) : null;
+    return PBHelper.convert(resp.getCmd());
   }
 
   @Override

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
Tue Dec 13 23:17:02 2011
@@ -29,7 +29,6 @@ import org.apache.hadoop.hdfs.protocol.p
 import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.BlockReportResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.CommitBlockSynchronizationRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.CommitBlockSynchronizationResponseProto;
-import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.DatanodeCommandProto;
 import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.ErrorReportRequestProto;
 import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.ErrorReportResponseProto;
 import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.HeartbeatRequestProto;
@@ -109,9 +108,7 @@ public class DatanodeProtocolServerSideT
         .newBuilder();
     if (cmds != null) {
       for (int i = 0; i < cmds.length; i++) {
-        if (cmds[i] != null) {
-          builder.addCmds(PBHelper.convert(cmds[i]));
-        }
+        builder.addCmds(i, PBHelper.convert(cmds[i]));
       }
     }
     return builder.build();
@@ -132,12 +129,8 @@ public class DatanodeProtocolServerSideT
     } catch (IOException e) {
       throw new ServiceException(e);
     }
-    BlockReportResponseProto.Builder builder = 
-        BlockReportResponseProto.newBuilder();
-    if (cmd != null) {
-      builder.setCmd(PBHelper.convert(cmd));
-    }
-    return builder.build();
+    return BlockReportResponseProto.newBuilder().setCmd(PBHelper.convert(cmd))
+        .build();
   }
 
   @Override
@@ -187,20 +180,14 @@ public class DatanodeProtocolServerSideT
   @Override
   public ProcessUpgradeResponseProto processUpgrade(RpcController controller,
       ProcessUpgradeRequestProto request) throws ServiceException {
-    UpgradeCommand ret;
+    UpgradeCommand cmd;
     try {
-      UpgradeCommand cmd = request.hasCmd() ? PBHelper
-          .convert(request.getCmd()) : null;
-      ret = impl.processUpgradeCommand(cmd);
+      cmd = impl.processUpgradeCommand(PBHelper.convert(request.getCmd()));
     } catch (IOException e) {
       throw new ServiceException(e);
     }
-    ProcessUpgradeResponseProto.Builder builder = 
-        ProcessUpgradeResponseProto.newBuilder();
-    if (ret != null) {
-      builder.setCmd(PBHelper.convert(ret));
-    }
-    return builder.build();
+    return ProcessUpgradeResponseProto.newBuilder()
+        .setCmd(PBHelper.convert(cmd)).build();
   }
 
   @Override

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
Tue Dec 13 23:17:02 2011
@@ -127,10 +127,6 @@ import com.google.protobuf.ByteString;
 
 /**
  * Utilities for converting protobuf classes to and from implementation classes.
- * 
- * Note that when converting from an internal type to protobuf type, the
- * converter never return null for protobuf type. The check for internal type
- * being null must be done before calling the convert() method.
  */
 public class PBHelper {
   private static final RegisterCommandProto REG_CMD_PROTO = 
@@ -374,7 +370,6 @@ public class PBHelper {
   }
 
   public static NamenodeCommand convert(NamenodeCommandProto cmd) {
-    if (cmd == null) return null;
     switch (cmd.getType()) {
     case CheckPointCommand:
       CheckpointCommandProto chkPt = cmd.getCheckpointCmd();
@@ -431,8 +426,7 @@ public class PBHelper {
     if (di == null) return null;
     return new DatanodeInfo(
         PBHelper.convert(di.getId()),
-        di.hasLocation() ? di.getLocation() : null , 
-        di.hasHostName() ? di.getHostName() : null,
+        di.getLocation(), di.getHostName(),
         di.getCapacity(),  di.getDfsUsed(),  di.getRemaining(),
         di.getBlockPoolUsed()  ,  di.getLastUpdate() , di.getXceiverCount() ,
         PBHelper.convert(di.getAdminState())); 
@@ -440,16 +434,10 @@ public class PBHelper {
   
   static public DatanodeInfoProto convertDatanodeInfo(DatanodeInfo di) {
     if (di == null) return null;
-    DatanodeInfoProto.Builder builder = DatanodeInfoProto.newBuilder();
-    if (di.getHostName() != null) {
-      builder.setHostName(di.getHostName());
-    }
-    if (di.getNetworkLocation() != null) {
-      builder.setLocation(di.getNetworkLocation());
-    }
-        
-    return builder.
+    return DatanodeInfoProto.newBuilder().
      setId(PBHelper.convert((DatanodeID) di)).
+     setLocation(di.getNetworkLocation()).
+     setHostName(di.getHostName()).
      setCapacity(di.getCapacity()).
      setDfsUsed(di.getDfsUsed()).
      setRemaining(di.getRemaining()).
@@ -789,14 +777,9 @@ public class PBHelper {
 
   public static ReceivedDeletedBlockInfoProto convert(
       ReceivedDeletedBlockInfo receivedDeletedBlockInfo) {
-    ReceivedDeletedBlockInfoProto.Builder builder = 
-        ReceivedDeletedBlockInfoProto.newBuilder();
-    
-    if (receivedDeletedBlockInfo.getDelHints() != null) {
-      builder.setDeleteHint(receivedDeletedBlockInfo.getDelHints());
-    }
-    return builder.setBlock(PBHelper.convert(receivedDeletedBlockInfo.getBlock()))
-        .build();
+    return ReceivedDeletedBlockInfoProto.newBuilder()
+        .setBlock(PBHelper.convert(receivedDeletedBlockInfo.getBlock()))
+        .setDeleteHint(receivedDeletedBlockInfo.getDelHints()).build();
   }
 
   public static UpgradeCommandProto convert(UpgradeCommand comm) {
@@ -820,7 +803,7 @@ public class PBHelper {
   public static ReceivedDeletedBlockInfo convert(
       ReceivedDeletedBlockInfoProto proto) {
     return new ReceivedDeletedBlockInfo(PBHelper.convert(proto.getBlock()),
-        proto.hasDeleteHint() ? proto.getDeleteHint() : null);
+        proto.getDeleteHint());
   }
   
   public static NamespaceInfoProto convert(NamespaceInfo info) {
@@ -880,10 +863,13 @@ public class PBHelper {
   
   // LocatedBlocks
   public static LocatedBlocks convert(LocatedBlocksProto lb) {
+    if (lb == null) {
+      return null;
+    }
     return new LocatedBlocks(
         lb.getFileLength(), lb.getUnderConstruction(),
         PBHelper.convertLocatedBlock(lb.getBlocksList()),
-        lb.hasLastBlock() ? PBHelper.convert(lb.getLastBlock()) : null,
+        PBHelper.convert(lb.getLastBlock()),
         lb.getIsLastBlockComplete());
   }
   
@@ -891,15 +877,11 @@ public class PBHelper {
     if (lb == null) {
       return null;
     }
-    LocatedBlocksProto.Builder builder = 
-        LocatedBlocksProto.newBuilder();
-    if (lb.getLastLocatedBlock() != null) {
-      builder.setLastBlock(PBHelper.convert(lb.getLastLocatedBlock()));
-    }
-    return builder.setFileLength(lb.getFileLength())
-        .setUnderConstruction(lb.isUnderConstruction())
-        .addAllBlocks(PBHelper.convertLocatedBlock2(lb.getLocatedBlocks()))
-        .setIsLastBlockComplete(lb.isLastBlockComplete()).build();
+    return LocatedBlocksProto.newBuilder().
+      setFileLength(lb.getFileLength()).
+      setUnderConstruction(lb.isUnderConstruction()).
+      addAllBlocks(PBHelper.convertLocatedBlock2(lb.getLocatedBlocks())).
+      setLastBlock(PBHelper.convert(lb.getLastLocatedBlock())).setIsLastBlockComplete(lb.isLastBlockComplete()).build();
   }
   
   public static FsServerDefaults convert(FsServerDefaultsProto fs) {
@@ -1000,16 +982,11 @@ public class PBHelper {
       setPermission(PBHelper.convert(fs.getPermission())).
       setOwner(fs.getOwner()).
       setGroup(fs.getGroup()).
+      setSymlink(ByteString.copyFrom(fs.getSymlinkInBytes())).
       setPath(ByteString.copyFrom(fs.getLocalNameInBytes()));
-    
-    if (fs.getSymlink() != null) {
-      builder.setSymlink(ByteString.copyFrom(fs.getSymlinkInBytes()));
-    }
+    LocatedBlocks locations = null;
     if (fs instanceof HdfsLocatedFileStatus) {
-      LocatedBlocks locations = ((HdfsLocatedFileStatus)fs).getBlockLocations();
-      if (locations != null) {
-        builder.setLocations(PBHelper.convert(locations));
-      }
+      builder.setLocations(PBHelper.convert(locations));
     }
     return builder.build();
   }

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
Tue Dec 13 23:17:02 2011
@@ -39,7 +39,7 @@ message GetBlockLocationsRequestProto {
 }
 
 message GetBlockLocationsResponseProto {
-  optional LocatedBlocksProto locations = 1;
+  required LocatedBlocksProto locations = 1;
 }
 
 message GetServerDefaultsRequestProto { // No parameters
@@ -115,7 +115,7 @@ message AbandonBlockResponseProto { // v
 message AddBlockRequestProto {
   required string src = 1;
   required string clientName = 2;
-  optional ExtendedBlockProto previous = 3;
+  required ExtendedBlockProto previous = 3;
   repeated DatanodeInfoProto excludeNodes = 4;
 }
 
@@ -306,7 +306,7 @@ message DistributedUpgradeProgressReques
   required UpgradeActionProto action = 1;
 }
 message DistributedUpgradeProgressResponseProto {
-  optional UpgradeStatusReportProto report = 1;
+  required UpgradeStatusReportProto report = 1;
 }
 
 message ListCorruptFileBlocksRequestProto {
@@ -330,7 +330,7 @@ message GetFileInfoRequestProto {
 }
 
 message GetFileInfoResponseProto {
-  optional HdfsFileStatusProto fs = 1;
+  required HdfsFileStatusProto fs = 1;
 }
 
 message GetFileLinkInfoRequestProto {

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/DatanodeProtocol.proto
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/DatanodeProtocol.proto?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/DatanodeProtocol.proto
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/DatanodeProtocol.proto
Tue Dec 13 23:17:02 2011
@@ -170,7 +170,7 @@ message HeartbeatRequestProto {
  * cmds - Commands from namenode to datanode.
  */
 message HeartbeatResponseProto {
-  repeated DatanodeCommandProto cmds = 1; // Returned commands can be null
+  repeated DatanodeCommandProto cmds = 1;
 }
 
 /**

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/hdfs.proto
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/hdfs.proto?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/hdfs.proto (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/hdfs.proto Tue Dec
13 23:17:02 2011
@@ -30,8 +30,7 @@ message ExtendedBlockProto {
   required string poolId = 1;   // Block pool id - gloablly unique across clusters
   required uint64 blockId = 2;  // the local id within a pool
   required uint64 generationStamp = 3;
-  optional uint64 numBytes = 4 [default = 0];  // len does not belong in ebid 
-                                               // here for historical reasons
+  optional uint64 numBytes = 4;  // block len does not belong in ebid - here for historical
reasons
 }
 
 /**
@@ -66,12 +65,12 @@ message DatanodeInfosProto {
  */
 message DatanodeInfoProto {
   required DatanodeIDProto id = 1;
-  optional uint64 capacity = 2 [default = 0];
-  optional uint64 dfsUsed = 3 [default = 0];
-  optional uint64 remaining = 4 [default = 0];
-  optional uint64 blockPoolUsed = 5 [default = 0];
-  optional uint64 lastUpdate = 6 [default = 0];
-  optional uint32 xceiverCount = 7 [default = 0];
+  optional uint64 capacity = 2;
+  optional uint64 dfsUsed = 3;
+  optional uint64 remaining = 4;
+  optional uint64 blockPoolUsed = 5;
+  optional uint64 lastUpdate = 6;
+  optional uint32 xceiverCount = 7;
   optional string location = 8;
   optional string hostName = 9;
   enum AdminState {
@@ -80,7 +79,7 @@ message DatanodeInfoProto {
     DECOMMISSIONED = 2;
   }
 
-  optional AdminState adminState = 10 [default = NORMAL];
+  optional AdminState adminState = 10;
 }
 
 /**
@@ -163,8 +162,8 @@ message HdfsFileStatusProto {
   optional bytes symlink = 9;             // if symlink, target encoded java UTF8 
 
   // Optional fields for file
-  optional uint32 block_replication = 10 [default = 0]; // only 16bits used
-  optional uint64 blocksize = 11 [default = 0];
+  optional uint32 block_replication = 10; // Actually a short - only 16bits used
+  optional uint64 blocksize = 11;
   optional LocatedBlocksProto locations = 12;  // suppled only if asked by client
 } 
 
@@ -219,7 +218,7 @@ message NamenodeRegistrationProto {
     CHECKPOINT = 3;
   }
   required StorageInfoProto storageInfo = 3;  // Node information
-  optional NamenodeRoleProto role = 4 [default = NAMENODE];        // Namenode role
+  optional NamenodeRoleProto role = 4;        // Namenode role
 }
 
 /**
@@ -265,7 +264,7 @@ message CheckpointCommandProto {
 message BlockProto {
   required uint64 blockId = 1;
   required uint64 genStamp = 2;
-  optional uint64 numBytes = 3 [default = 0];
+  optional uint64 numBytes = 3;
 }
 
 /**
@@ -314,7 +313,7 @@ message NamespaceInfoProto {
 message BlockKeyProto {
   required uint32 keyId = 1;      // Key identifier
   required uint64 expiryDate = 2; // Expiry time in milliseconds
-  optional bytes keyBytes = 3;    // Key secret
+  required bytes keyBytes = 3;    // Key secret
 }
 
 /**

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
Tue Dec 13 23:17:02 2011
@@ -507,11 +507,6 @@ public class MiniDFSCluster {
     this.waitSafeMode = waitSafeMode;
     
     // use alternate RPC engine if spec'd
-    /*
-    Turned off - see HDFS-2647 and HDFS-2660 for related comments.
-    This test can be turned on when Avro RPC is enabled using mechanism
-    similar to protobuf.
-    
     String rpcEngineName = System.getProperty("hdfs.rpc.engine");
     if (rpcEngineName != null && !"".equals(rpcEngineName)) {
       
@@ -535,7 +530,6 @@ public class MiniDFSCluster {
       conf.setBoolean(HADOOP_SECURITY_AUTHORIZATION,
                       false);
     }
-    */
     
     int replication = conf.getInt(DFS_REPLICATION_KEY, 3);
     conf.setInt(DFS_REPLICATION_KEY, Math.min(replication, numDataNodes));

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDfsOverAvroRpc.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDfsOverAvroRpc.java?rev=1213980&r1=1213979&r2=1213980&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDfsOverAvroRpc.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDfsOverAvroRpc.java
Tue Dec 13 23:17:02 2011
@@ -28,16 +28,9 @@ public class TestDfsOverAvroRpc extends 
 
   @Test(timeout=20000)
   public void testWorkingDirectory() throws IOException {
-    /*
-    Test turned off - see HDFS-2647 and HDFS-2660 for related comments.
-    This test can be turned on when Avro RPC is enabled using mechanism
-    similar to protobuf.
-    */
-    /*
     System.setProperty("hdfs.rpc.engine",
                        "org.apache.hadoop.ipc.AvroRpcEngine");
     super.testWorkingDirectory();
-    */
   }
 
 }



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