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svn merge -c 1211206 from trunk for HDFS-2629. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23-PB@1230394 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2012-01-12 04:24:08 +00:00
parent 6e419fc15b
commit 364ca1681a
10 changed files with 500 additions and 15 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -19,6 +19,8 @@ Release 0.23-PB - Unreleased
HDFS-2618. Implement protobuf service for NamenodeProtocol. (suresh)
HDFS-2629. Implement protobuf service for InterDatanodeProtocol. (suresh)
IMPROVEMENTS
HDFS-2018. Move all journal stream management code into one place.

47
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/InterDatanodeProtocolPB.java Normal file
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@ -0,0 +1,47 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hdfs.protocolPB;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.InterDatanodeProtocolService;
import org.apache.hadoop.hdfs.protocolR23Compatible.ProtocolSignatureWritable;
import org.apache.hadoop.ipc.ProtocolInfo;
import org.apache.hadoop.ipc.VersionedProtocol;
import org.apache.hadoop.security.KerberosInfo;
@KerberosInfo(
serverPrincipal = DFSConfigKeys.DFS_DATANODE_USER_NAME_KEY,
clientPrincipal = DFSConfigKeys.DFS_DATANODE_USER_NAME_KEY)
@ProtocolInfo(protocolName =
"org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol",
protocolVersion = 1)
@InterfaceAudience.Private
public interface InterDatanodeProtocolPB extends
InterDatanodeProtocolService.BlockingInterface, VersionedProtocol {
/**
* This method is defined to get the protocol signature using
* the R23 protocol - hence we have added the suffix of 2 the method name
* to avoid conflict.
*/
public ProtocolSignatureWritable getProtocolSignature2(String protocol,
long clientVersion, int clientMethodsHash) throws IOException;
}

130
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/InterDatanodeProtocolServerSideTranslatorPB.java Normal file
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@ -0,0 +1,130 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hdfs.protocolPB;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.InitReplicaRecoveryRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.InitReplicaRecoveryResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.UpdateReplicaUnderRecoveryRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.UpdateReplicaUnderRecoveryResponseProto;
import org.apache.hadoop.hdfs.protocolR23Compatible.ProtocolSignatureWritable;
import org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand.RecoveringBlock;
import org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol;
import org.apache.hadoop.hdfs.server.protocol.JournalProtocol;
import org.apache.hadoop.hdfs.server.protocol.ReplicaRecoveryInfo;
import org.apache.hadoop.ipc.ProtocolSignature;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.ipc.VersionedProtocol;
import com.google.protobuf.RpcController;
import com.google.protobuf.ServiceException;
/**
* Implementation for protobuf service that forwards requests
* received on {@link InterDatanodeProtocolPB} to the
* {@link InterDatanodeProtocol} server implementation.
*/
@InterfaceAudience.Private
public class InterDatanodeProtocolServerSideTranslatorPB implements
InterDatanodeProtocolPB {
private final InterDatanodeProtocol impl;
public InterDatanodeProtocolServerSideTranslatorPB(InterDatanodeProtocol impl) {
this.impl = impl;
}
@Override
public InitReplicaRecoveryResponseProto initReplicaRecovery(
RpcController unused, InitReplicaRecoveryRequestProto request)
throws ServiceException {
RecoveringBlock b = PBHelper.convert(request.getBlock());
ReplicaRecoveryInfo r;
try {
r = impl.initReplicaRecovery(b);
} catch (IOException e) {
throw new ServiceException(e);
}
return InitReplicaRecoveryResponseProto.newBuilder()
.setBlock(PBHelper.convert(r)).build();
}
@Override
public UpdateReplicaUnderRecoveryResponseProto updateReplicaUnderRecovery(
RpcController unused, UpdateReplicaUnderRecoveryRequestProto request)
throws ServiceException {
ExtendedBlock b;
try {
b = impl.updateReplicaUnderRecovery(PBHelper.convert(request.getBlock()),
request.getRecoveryId(), request.getNewLength());
} catch (IOException e) {
throw new ServiceException(e);
}
return UpdateReplicaUnderRecoveryResponseProto.newBuilder()
.setBlock(PBHelper.convert(b)).build();
}
/** @see VersionedProtocol#getProtocolVersion */
@Override
public long getProtocolVersion(String protocol, long clientVersion)
throws IOException {
return RPC.getProtocolVersion(InterDatanodeProtocolPB.class);
}
/**
* The client side will redirect getProtocolSignature to
* getProtocolSignature2.
*
* However the RPC layer below on the Server side will call getProtocolVersion
* and possibly in the future getProtocolSignature. Hence we still implement
* it even though the end client will never call this method.
*
* @see VersionedProtocol#getProtocolVersion
*/
@Override
public ProtocolSignature getProtocolSignature(String protocol,
long clientVersion, int clientMethodsHash) throws IOException {
/**
* Don't forward this to the server. The protocol version and signature is
* that of {@link InterDatanodeProtocol}
*/
if (!protocol.equals(RPC.getProtocolName(InterDatanodeProtocol.class))) {
throw new IOException("Namenode Serverside implements " +
RPC.getProtocolName(InterDatanodeProtocol.class) +
". The following requested protocol is unknown: " + protocol);
}
return ProtocolSignature.getProtocolSignature(clientMethodsHash,
RPC.getProtocolVersion(InterDatanodeProtocolPB.class),
InterDatanodeProtocol.class);
}
@Override
public ProtocolSignatureWritable getProtocolSignature2(String protocol,
long clientVersion, int clientMethodsHash) throws IOException {
/**
* Don't forward this to the server. The protocol version and signature is
* that of {@link InterDatanodeProtocol}
*/
return ProtocolSignatureWritable.convert(
this.getProtocolSignature(protocol, clientVersion, clientMethodsHash));
}
}

114
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/InterDatanodeProtocolTranslatorPB.java Normal file
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@ -0,0 +1,114 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hdfs.protocolPB;
import java.io.Closeable;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.InitReplicaRecoveryRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.InitReplicaRecoveryResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.InterDatanodeProtocolProtos.UpdateReplicaUnderRecoveryRequestProto;
import org.apache.hadoop.hdfs.protocolR23Compatible.ProtocolSignatureWritable;
import org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand.RecoveringBlock;
import org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol;
import org.apache.hadoop.hdfs.server.protocol.ReplicaRecoveryInfo;
import org.apache.hadoop.ipc.ProtobufHelper;
import org.apache.hadoop.ipc.ProtobufRpcEngine;
import org.apache.hadoop.ipc.ProtocolSignature;
import org.apache.hadoop.ipc.RPC;
import com.google.protobuf.RpcController;
import com.google.protobuf.ServiceException;
/**
* This class is the client side translator to translate the requests made on
* {@link InterDatanodeProtocol} interfaces to the RPC server implementing
* {@link InterDatanodeProtocolPB}.
*/
@InterfaceAudience.Private
@InterfaceStability.Stable
public class InterDatanodeProtocolTranslatorPB implements
InterDatanodeProtocol, Closeable {
/** RpcController is not used and hence is set to null */
private final static RpcController NULL_CONTROLLER = null;
final private InterDatanodeProtocolPB rpcProxy;
public InterDatanodeProtocolTranslatorPB(InetSocketAddress nameNodeAddr,
Configuration conf) throws IOException {
RPC.setProtocolEngine(conf, InterDatanodeProtocolPB.class,
ProtobufRpcEngine.class);
rpcProxy = RPC.getProxy(InterDatanodeProtocolPB.class,
RPC.getProtocolVersion(InterDatanodeProtocolPB.class), nameNodeAddr,
conf);
}
@Override
public void close() {
RPC.stopProxy(rpcProxy);
}
@Override
public long getProtocolVersion(String protocolName, long clientVersion)
throws IOException {
return rpcProxy.getProtocolVersion(protocolName, clientVersion);
}
@Override
public ProtocolSignature getProtocolSignature(String protocol,
long clientVersion, int clientMethodsHash) throws IOException {
return ProtocolSignatureWritable.convert(rpcProxy.getProtocolSignature2(
protocol, clientVersion, clientMethodsHash));
}
@Override
public ReplicaRecoveryInfo initReplicaRecovery(RecoveringBlock rBlock)
throws IOException {
InitReplicaRecoveryRequestProto req = InitReplicaRecoveryRequestProto
.newBuilder().setBlock(PBHelper.convert(rBlock)).build();
InitReplicaRecoveryResponseProto resp;
try {
resp = rpcProxy.initReplicaRecovery(NULL_CONTROLLER, req);
} catch (ServiceException e) {
throw ProtobufHelper.getRemoteException(e);
}
BlockProto b = resp.getBlock();
return new ReplicaRecoveryInfo(b.getBlockId(), b.getNumBytes(),
b.getGenStamp(), PBHelper.convert(resp.getState()));
}
@Override
public ExtendedBlock updateReplicaUnderRecovery(ExtendedBlock oldBlock,
long recoveryId, long newLength) throws IOException {
UpdateReplicaUnderRecoveryRequestProto req =
UpdateReplicaUnderRecoveryRequestProto.newBuilder()
.setBlock(PBHelper.convert(oldBlock))
.setNewLength(newLength).setRecoveryId(recoveryId).build();
try {
return PBHelper.convert(rpcProxy.updateReplicaUnderRecovery(
NULL_CONTROLLER, req).getBlock());
} catch (ServiceException e) {
throw ProtobufHelper.getRemoteException(e);
}
}
}

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/JournalProtocolServerSideTranslatorPB.java
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@ -19,6 +19,7 @@ package org.apache.hadoop.hdfs.protocolPB;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.protocol.proto.JournalProtocolProtos.JournalRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.JournalProtocolProtos.JournalResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.JournalProtocolProtos.StartLogSegmentRequestProto;
@ -37,6 +38,7 @@ import com.google.protobuf.ServiceException;
* received on {@link JournalProtocolPB} to the
* {@link JournalProtocol} server implementation.
*/
@InterfaceAudience.Private
public class JournalProtocolServerSideTranslatorPB implements JournalProtocolPB {
/** Server side implementation to delegate the requests to */
private final JournalProtocol impl;
@ -118,4 +120,4 @@ public class JournalProtocolServerSideTranslatorPB implements JournalProtocolPB
return ProtocolSignatureWritable.convert(
this.getProtocolSignature(protocol, clientVersion, clientMethodsHash));
}
}
}

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/NamenodeProtocolTranslatorPB.java
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@ -28,6 +28,7 @@ import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeCommandProto;
@ -150,7 +151,7 @@ public class NamenodeProtocolTranslatorPB implements NamenodeProtocol,
public BlocksWithLocations getBlocks(DatanodeInfo datanode, long size)
throws IOException {
GetBlocksRequestProto req = GetBlocksRequestProto.newBuilder()
.setDatanode(PBHelper.convert(datanode)).setSize(size)
.setDatanode(PBHelper.convert((DatanodeID)datanode)).setSize(size)
.build();
try {
return PBHelper.convert(rpcProxy.getBlocks(NULL_CONTROLLER, req)

150
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
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@ -23,26 +23,41 @@ import java.util.List;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockKeyProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockTokenIdentifierProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockWithLocationsProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlocksWithLocationsProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CheckpointCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CheckpointSignatureProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeIDProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.AdminState;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ExportedBlockKeysProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ExtendedBlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto.Builder;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeRegistrationProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamespaceInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RecoveringBlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RemoteEditLogManifestProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RemoteEditLogProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeRegistrationProto.NamenodeRoleProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ReplicaStateProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.StorageInfoProto;
import org.apache.hadoop.hdfs.security.token.block.BlockKey;
import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;
import org.apache.hadoop.hdfs.security.token.block.ExportedBlockKeys;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.ReplicaState;
import org.apache.hadoop.hdfs.server.common.StorageInfo;
import org.apache.hadoop.hdfs.server.namenode.CheckpointSignature;
import org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand.RecoveringBlock;
import org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations;
import org.apache.hadoop.hdfs.server.protocol.CheckpointCommand;
import org.apache.hadoop.hdfs.server.protocol.NamenodeCommand;
@ -51,6 +66,7 @@ import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest;
import org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations.BlockWithLocations;
import org.apache.hadoop.security.token.Token;
import com.google.protobuf.ByteString;
@ -155,7 +171,13 @@ class PBHelper {
}
public static BlocksWithLocations convert(BlocksWithLocationsProto blocks) {
return new BlocksWithLocations(convert(blocks.getBlocksList()));
List<BlockWithLocationsProto> b = blocks.getBlocksList();
BlockWithLocations[] ret = new BlockWithLocations[b.size()];
int i = 0;
for (BlockWithLocationsProto entry : b) {
ret[i++] = convert(entry);
}
return new BlocksWithLocations(ret);
}
public static BlockKeyProto convert(BlockKey key) {
@ -247,15 +269,6 @@ class PBHelper {
return NamenodeCommandProto.newBuilder().setAction(cmd.getAction()).build();
}
public static BlockWithLocations[] convert(List<BlockWithLocationsProto> b) {
BlockWithLocations[] ret = new BlockWithLocations[b.size()];
int i = 0;
for (BlockWithLocationsProto entry : b) {
ret[i++] = convert(entry);
}
return ret;
}
public static BlockKey[] convertBlockKeys(List<BlockKeyProto> list) {
BlockKey[] ret = new BlockKey[list.size()];
int i = 0;
@ -281,4 +294,119 @@ class PBHelper {
return new NamenodeCommand(cmd.getAction());
}
}
}
public static ExtendedBlockProto convert(ExtendedBlock b) {
return ExtendedBlockProto.newBuilder().setBlockId(b.getBlockId())
.setGenerationStamp(b.getGenerationStamp())
.setNumBytes(b.getNumBytes()).setPoolId(b.getBlockPoolId()).build();
}
public static ExtendedBlock convert(ExtendedBlockProto b) {
return new ExtendedBlock(b.getPoolId(), b.getBlockId(), b.getNumBytes(),
b.getGenerationStamp());
}
public static RecoveringBlockProto convert(RecoveringBlock b) {
LocatedBlockProto lb = PBHelper.convert((LocatedBlock)b);
return RecoveringBlockProto.newBuilder().setBlock(lb)
.setNewGenStamp(b.getNewGenerationStamp()).build();
}
public static RecoveringBlock convert(RecoveringBlockProto b) {
ExtendedBlock block = convert(b.getBlock().getB());
DatanodeInfo[] locs = convert(b.getBlock().getLocsList());
return new RecoveringBlock(block, locs, b.getNewGenStamp());
}
public static DatanodeInfo[] convert(List<DatanodeInfoProto> list) {
DatanodeInfo[] info = new DatanodeInfo[list.size()];
for (int i = 0; i < info.length; i++) {
info[i] = convert(list.get(i));
}
return info;
}
public static DatanodeInfo convert(DatanodeInfoProto info) {
DatanodeIDProto dnId = info.getId();
return new DatanodeInfo(dnId.getName(), dnId.getStorageID(),
dnId.getInfoPort(), dnId.getIpcPort(), info.getCapacity(),
info.getDfsUsed(), info.getRemaining(), info.getBlockPoolUsed(),
info.getLastUpdate(), info.getXceiverCount(), info.getLocation(),
info.getHostName(), convert(info.getAdminState()));
}
public static DatanodeInfoProto convert(DatanodeInfo info) {
return DatanodeInfoProto.newBuilder()
.setAdminState(PBHelper.convert(info.getAdminState()))
.setBlockPoolUsed(info.getBlockPoolUsed())
.setCapacity(info.getCapacity())
.setDfsUsed(info.getDfsUsed())
.setHostName(info.getHostName())
.setId(PBHelper.convert((DatanodeID)info))
.setLastUpdate(info.getLastUpdate())
.setLocation(info.getNetworkLocation())
.setRemaining(info.getRemaining())
.setXceiverCount(info.getXceiverCount())
.build();
}
public static AdminStates convert(AdminState adminState) {
switch(adminState) {
case DECOMMISSION_INPROGRESS:
return AdminStates.DECOMMISSION_INPROGRESS;
case DECOMMISSIONED:
return AdminStates.DECOMMISSIONED;
case NORMAL:
default:
return AdminStates.NORMAL;
}
}
public static AdminState convert(AdminStates adminState) {
switch(adminState) {
case DECOMMISSION_INPROGRESS:
return AdminState.DECOMMISSION_INPROGRESS;
case DECOMMISSIONED:
return AdminState.DECOMMISSIONED;
case NORMAL:
default:
return AdminState.NORMAL;
}
}
public static LocatedBlockProto convert(LocatedBlock b) {
Builder builder = LocatedBlockProto.newBuilder();
DatanodeInfo[] locs = b.getLocations();
for(DatanodeInfo loc : locs) {
builder.addLocs(PBHelper.convert(loc));
}
return builder.setB(PBHelper.convert(b.getBlock()))
.setBlockToken(PBHelper.convert(b.getBlockToken()))
.setCorrupt(b.isCorrupt()).setOffset(b.getStartOffset()).build();
}
public static BlockTokenIdentifierProto convert(
Token<BlockTokenIdentifier> token) {
ByteString tokenId = ByteString.copyFrom(token.getIdentifier());
ByteString password = ByteString.copyFrom(token.getPassword());
return BlockTokenIdentifierProto.newBuilder().setIdentifier(tokenId)
.setKind(token.getKind().toString()).setPassword(password)
.setService(token.getService().toString()).build();
}
public static ReplicaState convert(ReplicaStateProto state) {
switch (state) {
case RBW:
return ReplicaState.RBW;
case RUR:
return ReplicaState.RUR;
case RWR:
return ReplicaState.RWR;
case TEMPORARY:
return ReplicaState.TEMPORARY;
case FINALIZED:
default:
return ReplicaState.FINALIZED;
}
}
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/proto/InterDatanodeProtocol.proto
View File

@ -38,7 +38,7 @@ message InitReplicaRecoveryRequestProto {
* Repica recovery information
*/
message InitReplicaRecoveryResponseProto {
required ReplicaState state = 1; // State fo the replica
required ReplicaStateProto state = 1; // State fo the replica
required BlockProto block = 2; // block information
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/proto/hdfs.proto
View File

@ -329,7 +329,7 @@ message ExportedBlockKeysProto {
/**
* State of a block replica at a datanode
*/
enum ReplicaState {
enum ReplicaStateProto {
FINALIZED = 0; // State of a replica when it is not modified
RBW = 1; // State of replica that is being written to
RWR = 2; // State of replica that is waiting to be recovered

61
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocolPB/TestPBHelper.java
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@ -25,6 +25,8 @@ import java.util.List;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockKeyProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockWithLocationsProto;
@ -33,8 +35,10 @@ import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CheckpointCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CheckpointSignatureProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeIDProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ExportedBlockKeysProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ExtendedBlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeRegistrationProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.NamenodeRegistrationProto.NamenodeRoleProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RecoveringBlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RemoteEditLogManifestProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RemoteEditLogProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.StorageInfoProto;
@ -43,11 +47,13 @@ import org.apache.hadoop.hdfs.security.token.block.ExportedBlockKeys;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
import org.apache.hadoop.hdfs.server.common.StorageInfo;
import org.apache.hadoop.hdfs.server.namenode.CheckpointSignature;
import org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand.RecoveringBlock;
import org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations;
import org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations.BlockWithLocations;
import org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest;
import org.apache.hadoop.io.Text;
import org.junit.Test;
/**
@ -241,4 +247,59 @@ public class TestPBHelper {
compare(logs.get(i), logs1.get(i));
}
}
public ExtendedBlock getExtendedBlock() {
return new ExtendedBlock("bpid", 1, 100, 2);
}
public DatanodeInfo getDNInfo() {
return new DatanodeInfo(new DatanodeID("node", "sid", 1, 2));
}
private void compare(DatanodeInfo dn1, DatanodeInfo dn2) {
assertEquals(dn1.getAdminState(), dn2.getAdminState());
assertEquals(dn1.getBlockPoolUsed(), dn2.getBlockPoolUsed());
assertEquals(dn1.getBlockPoolUsedPercent(), dn2.getBlockPoolUsedPercent());
assertEquals(dn1.getCapacity(), dn2.getCapacity());
assertEquals(dn1.getDatanodeReport(), dn2.getDatanodeReport());
assertEquals(dn1.getDfsUsed(), dn1.getDfsUsed());
assertEquals(dn1.getDfsUsedPercent(), dn1.getDfsUsedPercent());
assertEquals(dn1.getHost(), dn2.getHost());
assertEquals(dn1.getHostName(), dn2.getHostName());
assertEquals(dn1.getInfoPort(), dn2.getInfoPort());
assertEquals(dn1.getIpcPort(), dn2.getIpcPort());
assertEquals(dn1.getLastUpdate(), dn2.getLastUpdate());
assertEquals(dn1.getLevel(), dn2.getLevel());
assertEquals(dn1.getNetworkLocation(), dn2.getNetworkLocation());
}
@Test
public void testConvertExtendedBlock() {
ExtendedBlock b = getExtendedBlock();
ExtendedBlockProto bProto = PBHelper.convert(b);
ExtendedBlock b1 = PBHelper.convert(bProto);
assertEquals(b, b1);
}
@Test
public void testConvertRecoveringBlock() {
DatanodeInfo[] dnInfo = new DatanodeInfo[] { getDNInfo(), getDNInfo() };
RecoveringBlock b = new RecoveringBlock(getExtendedBlock(), dnInfo, 3);
RecoveringBlockProto bProto = PBHelper.convert(b);
RecoveringBlock b1 = PBHelper.convert(bProto);
assertEquals(b.getBlock(), b1.getBlock());
DatanodeInfo[] dnInfo1 = b1.getLocations();
assertEquals(dnInfo.length, dnInfo1.length);
for (int i=0; i < dnInfo.length; i++) {
compare(dnInfo[0], dnInfo1[0]);
}
}
@Test
public void testConvertText() {
Text t = new Text("abc".getBytes());
String s = t.toString();
Text t1 = new Text(s);
assertEquals(t, t1);
}
}