/**
* 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.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.List;
import org.apache.hadoop.fs.ContentSummary;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FsServerDefaults;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.ha.HAServiceProtocol.HAServiceState;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
import org.apache.hadoop.hdfs.protocol.CorruptFileBlocks;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates;
import org.apache.hadoop.hdfs.protocol.DirectoryListing;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
import org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus;
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
import org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CreateFlagProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.DatanodeReportTypeProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFsStatsResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SafeModeActionProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.BalancerBandwidthCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.BlockCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.BlockRecoveryCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.DatanodeCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.DatanodeRegistrationProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.DatanodeStorageProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.DatanodeStorageProto.StorageState;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.FinalizeCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.KeyUpdateCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.NNHAStatusHeartbeatProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.ReceivedDeletedBlockInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.RegisterCommandProto;
import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.StorageReportProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos;
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;
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.ContentSummaryProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.CorruptFileBlocksProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DataEncryptionKeyProto;
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.DatanodeInfosProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DirectoryListingProto;
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.FsPermissionProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.FsServerDefaultsProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.HdfsFileStatusProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.HdfsFileStatusProto.FileType;
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.LocatedBlocksProto;
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.NamenodeRegistrationProto.NamenodeRoleProto;
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.ReplicaStateProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportEntryProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshottableDirectoryListingProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshottableDirectoryStatusProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.StorageInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.JournalProtocolProtos.JournalInfoProto;
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.DataEncryptionKey;
import org.apache.hadoop.hdfs.security.token.block.ExportedBlockKeys;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
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.namenode.INodeId;
import org.apache.hadoop.hdfs.server.protocol.BalancerBandwidthCommand;
import org.apache.hadoop.hdfs.server.protocol.BlockCommand;
import org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand;
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.CheckpointCommand;
import org.apache.hadoop.hdfs.server.protocol.DatanodeCommand;
import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol;
import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage.State;
import org.apache.hadoop.hdfs.server.protocol.FinalizeCommand;
import org.apache.hadoop.hdfs.server.protocol.JournalInfo;
import org.apache.hadoop.hdfs.server.protocol.KeyUpdateCommand;
import org.apache.hadoop.hdfs.server.protocol.NNHAStatusHeartbeat;
import org.apache.hadoop.hdfs.server.protocol.NamenodeCommand;
import org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration;
import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo;
import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo.BlockStatus;
import org.apache.hadoop.hdfs.server.protocol.RegisterCommand;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest;
import org.apache.hadoop.hdfs.server.protocol.StorageReport;
import org.apache.hadoop.hdfs.util.ExactSizeInputStream;
import org.apache.hadoop.io.EnumSetWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.proto.SecurityProtos.TokenProto;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.util.DataChecksum;
import com.google.common.collect.Lists;
import com.google.protobuf.ByteString;
import com.google.protobuf.CodedInputStream;
/**
* Utilities for converting protobuf classes to and from implementation classes
* and other helper utilities to help in dealing with protobuf.
*
* 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 =
RegisterCommandProto.newBuilder().build();
private static final RegisterCommand REG_CMD = new RegisterCommand();
private PBHelper() {
/** Hidden constructor */
}
public static ByteString getByteString(byte[] bytes) {
return ByteString.copyFrom(bytes);
}
public static NamenodeRole convert(NamenodeRoleProto role) {
switch (role) {
case NAMENODE:
return NamenodeRole.NAMENODE;
case BACKUP:
return NamenodeRole.BACKUP;
case CHECKPOINT:
return NamenodeRole.CHECKPOINT;
}
return null;
}
public static NamenodeRoleProto convert(NamenodeRole role) {
switch (role) {
case NAMENODE:
return NamenodeRoleProto.NAMENODE;
case BACKUP:
return NamenodeRoleProto.BACKUP;
case CHECKPOINT:
return NamenodeRoleProto.CHECKPOINT;
}
return null;
}
public static StorageInfoProto convert(StorageInfo info) {
return StorageInfoProto.newBuilder().setClusterID(info.getClusterID())
.setCTime(info.getCTime()).setLayoutVersion(info.getLayoutVersion())
.setNamespceID(info.getNamespaceID()).build();
}
public static StorageInfo convert(StorageInfoProto info) {
return new StorageInfo(info.getLayoutVersion(), info.getNamespceID(),
info.getClusterID(), info.getCTime());
}
public static NamenodeRegistrationProto convert(NamenodeRegistration reg) {
return NamenodeRegistrationProto.newBuilder()
.setHttpAddress(reg.getHttpAddress()).setRole(convert(reg.getRole()))
.setRpcAddress(reg.getAddress())
.setStorageInfo(convert((StorageInfo) reg)).build();
}
public static NamenodeRegistration convert(NamenodeRegistrationProto reg) {
return new NamenodeRegistration(reg.getRpcAddress(), reg.getHttpAddress(),
convert(reg.getStorageInfo()), convert(reg.getRole()));
}
// DatanodeId
public static DatanodeID convert(DatanodeIDProto dn) {
return new DatanodeID(dn.getIpAddr(), dn.getHostName(), dn.getStorageID(),
dn.getXferPort(), dn.getInfoPort(), dn.hasInfoSecurePort() ? dn
.getInfoSecurePort() : 0, dn.getIpcPort());
}
public static DatanodeIDProto convert(DatanodeID dn) {
return DatanodeIDProto.newBuilder()
.setIpAddr(dn.getIpAddr())
.setHostName(dn.getHostName())
.setStorageID(dn.getStorageID())
.setXferPort(dn.getXferPort())
.setInfoPort(dn.getInfoPort())
.setInfoSecurePort(dn.getInfoSecurePort())
.setIpcPort(dn.getIpcPort()).build();
}
// Arrays of DatanodeId
public static DatanodeIDProto[] convert(DatanodeID[] did) {
if (did == null)
return null;
final int len = did.length;
DatanodeIDProto[] result = new DatanodeIDProto[len];
for (int i = 0; i < len; ++i) {
result[i] = convert(did[i]);
}
return result;
}
public static DatanodeID[] convert(DatanodeIDProto[] did) {
if (did == null) return null;
final int len = did.length;
DatanodeID[] result = new DatanodeID[len];
for (int i = 0; i < len; ++i) {
result[i] = convert(did[i]);
}
return result;
}
// Block
public static BlockProto convert(Block b) {
return BlockProto.newBuilder().setBlockId(b.getBlockId())
.setGenStamp(b.getGenerationStamp()).setNumBytes(b.getNumBytes())
.build();
}
public static Block convert(BlockProto b) {
return new Block(b.getBlockId(), b.getNumBytes(), b.getGenStamp());
}
public static BlockWithLocationsProto convert(BlockWithLocations blk) {
return BlockWithLocationsProto.newBuilder()
.setBlock(convert(blk.getBlock()))
.addAllStorageIDs(Arrays.asList(blk.getStorageIDs())).build();
}
public static BlockWithLocations convert(BlockWithLocationsProto b) {
return new BlockWithLocations(convert(b.getBlock()), b.getStorageIDsList()
.toArray(new String[0]));
}
public static BlocksWithLocationsProto convert(BlocksWithLocations blks) {
BlocksWithLocationsProto.Builder builder = BlocksWithLocationsProto
.newBuilder();
for (BlockWithLocations b : blks.getBlocks()) {
builder.addBlocks(convert(b));
}
return builder.build();
}
public static BlocksWithLocations convert(BlocksWithLocationsProto blocks) {
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) {
byte[] encodedKey = key.getEncodedKey();
ByteString keyBytes = ByteString.copyFrom(encodedKey == null ?
DFSUtil.EMPTY_BYTES : encodedKey);
return BlockKeyProto.newBuilder().setKeyId(key.getKeyId())
.setKeyBytes(keyBytes).setExpiryDate(key.getExpiryDate()).build();
}
public static BlockKey convert(BlockKeyProto k) {
return new BlockKey(k.getKeyId(), k.getExpiryDate(), k.getKeyBytes()
.toByteArray());
}
public static ExportedBlockKeysProto convert(ExportedBlockKeys keys) {
ExportedBlockKeysProto.Builder builder = ExportedBlockKeysProto
.newBuilder();
builder.setIsBlockTokenEnabled(keys.isBlockTokenEnabled())
.setKeyUpdateInterval(keys.getKeyUpdateInterval())
.setTokenLifeTime(keys.getTokenLifetime())
.setCurrentKey(convert(keys.getCurrentKey()));
for (BlockKey k : keys.getAllKeys()) {
builder.addAllKeys(convert(k));
}
return builder.build();
}
public static ExportedBlockKeys convert(ExportedBlockKeysProto keys) {
return new ExportedBlockKeys(keys.getIsBlockTokenEnabled(),
keys.getKeyUpdateInterval(), keys.getTokenLifeTime(),
convert(keys.getCurrentKey()), convertBlockKeys(keys.getAllKeysList()));
}
public static CheckpointSignatureProto convert(CheckpointSignature s) {
return CheckpointSignatureProto.newBuilder()
.setBlockPoolId(s.getBlockpoolID())
.setCurSegmentTxId(s.getCurSegmentTxId())
.setMostRecentCheckpointTxId(s.getMostRecentCheckpointTxId())
.setStorageInfo(PBHelper.convert((StorageInfo) s)).build();
}
public static CheckpointSignature convert(CheckpointSignatureProto s) {
return new CheckpointSignature(PBHelper.convert(s.getStorageInfo()),
s.getBlockPoolId(), s.getMostRecentCheckpointTxId(),
s.getCurSegmentTxId());
}
public static RemoteEditLogProto convert(RemoteEditLog log) {
return RemoteEditLogProto.newBuilder()
.setStartTxId(log.getStartTxId())
.setEndTxId(log.getEndTxId())
.setIsInProgress(log.isInProgress()).build();
}
public static RemoteEditLog convert(RemoteEditLogProto l) {
return new RemoteEditLog(l.getStartTxId(), l.getEndTxId(),
l.getIsInProgress());
}
public static RemoteEditLogManifestProto convert(
RemoteEditLogManifest manifest) {
RemoteEditLogManifestProto.Builder builder = RemoteEditLogManifestProto
.newBuilder();
for (RemoteEditLog log : manifest.getLogs()) {
builder.addLogs(convert(log));
}
return builder.build();
}
public static RemoteEditLogManifest convert(
RemoteEditLogManifestProto manifest) {
List<RemoteEditLog> logs = new ArrayList<RemoteEditLog>(manifest
.getLogsList().size());
for (RemoteEditLogProto l : manifest.getLogsList()) {
logs.add(convert(l));
}
return new RemoteEditLogManifest(logs);
}
public static CheckpointCommandProto convert(CheckpointCommand cmd) {
return CheckpointCommandProto.newBuilder()
.setSignature(convert(cmd.getSignature()))
.setNeedToReturnImage(cmd.needToReturnImage()).build();
}
public static NamenodeCommandProto convert(NamenodeCommand cmd) {
if (cmd instanceof CheckpointCommand) {
return NamenodeCommandProto.newBuilder().setAction(cmd.getAction())
.setType(NamenodeCommandProto.Type.CheckPointCommand)
.setCheckpointCmd(convert((CheckpointCommand) cmd)).build();
}
return NamenodeCommandProto.newBuilder()
.setType(NamenodeCommandProto.Type.NamenodeCommand)
.setAction(cmd.getAction()).build();
}
public static BlockKey[] convertBlockKeys(List<BlockKeyProto> list) {
BlockKey[] ret = new BlockKey[list.size()];
int i = 0;
for (BlockKeyProto k : list) {
ret[i++] = convert(k);
}
return ret;
}
public static NamespaceInfo convert(NamespaceInfoProto info) {
StorageInfoProto storage = info.getStorageInfo();
return new NamespaceInfo(storage.getNamespceID(), storage.getClusterID(),
info.getBlockPoolID(), storage.getCTime(), info.getBuildVersion(),
info.getSoftwareVersion());
}
public static NamenodeCommand convert(NamenodeCommandProto cmd) {
if (cmd == null) return null;
switch (cmd.getType()) {
case CheckPointCommand:
CheckpointCommandProto chkPt = cmd.getCheckpointCmd();
return new CheckpointCommand(PBHelper.convert(chkPt.getSignature()),
chkPt.getNeedToReturnImage());
default:
return new NamenodeCommand(cmd.getAction());
}
}
public static ExtendedBlock convert(ExtendedBlockProto eb) {
if (eb == null) return null;
return new ExtendedBlock( eb.getPoolId(), eb.getBlockId(), eb.getNumBytes(),
eb.getGenerationStamp());
}
public static ExtendedBlockProto convert(final ExtendedBlock b) {
if (b == null) return null;
return ExtendedBlockProto.newBuilder().
setPoolId(b.getBlockPoolId()).
setBlockId(b.getBlockId()).
setNumBytes(b.getNumBytes()).
setGenerationStamp(b.getGenerationStamp()).
build();
}
public static RecoveringBlockProto convert(RecoveringBlock b) {
if (b == null) {
return null;
}
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 DatanodeInfoProto.AdminState convert(
final DatanodeInfo.AdminStates inAs) {
switch (inAs) {
case NORMAL: return DatanodeInfoProto.AdminState.NORMAL;
case DECOMMISSION_INPROGRESS:
return DatanodeInfoProto.AdminState.DECOMMISSION_INPROGRESS;
case DECOMMISSIONED: return DatanodeInfoProto.AdminState.DECOMMISSIONED;
default: return DatanodeInfoProto.AdminState.NORMAL;
}
}
static public DatanodeInfo convert(DatanodeInfoProto di) {
if (di == null) return null;
return new DatanodeInfo(
PBHelper.convert(di.getId()),
di.hasLocation() ? di.getLocation() : null ,
di.getCapacity(), di.getDfsUsed(), di.getRemaining(),
di.getBlockPoolUsed() , di.getLastUpdate() , di.getXceiverCount() ,
PBHelper.convert(di.getAdminState()));
}
static public DatanodeInfoProto convertDatanodeInfo(DatanodeInfo di) {
if (di == null) return null;
DatanodeInfoProto.Builder builder = DatanodeInfoProto.newBuilder();
if (di.getNetworkLocation() != null) {
builder.setLocation(di.getNetworkLocation());
}
return builder.
setId(PBHelper.convert((DatanodeID) di)).
setCapacity(di.getCapacity()).
setDfsUsed(di.getDfsUsed()).
setRemaining(di.getRemaining()).
setBlockPoolUsed(di.getBlockPoolUsed()).
setLastUpdate(di.getLastUpdate()).
setXceiverCount(di.getXceiverCount()).
setAdminState(PBHelper.convert(di.getAdminState())).
build();
}
static public DatanodeInfo[] convert(DatanodeInfoProto di[]) {
if (di == null) return null;
DatanodeInfo[] result = new DatanodeInfo[di.length];
for (int i = 0; i < di.length; i++) {
result[i] = convert(di[i]);
}
return result;
}
public static List<? extends HdfsProtos.DatanodeInfoProto> convert(
DatanodeInfo[] dnInfos) {
return convert(dnInfos, 0);
}
/**
* Copy from {@code dnInfos} to a target of list of same size starting at
* {@code startIdx}.
*/
public static List<? extends HdfsProtos.DatanodeInfoProto> convert(
DatanodeInfo[] dnInfos, int startIdx) {
if (dnInfos == null)
return null;
ArrayList<HdfsProtos.DatanodeInfoProto> protos = Lists
.newArrayListWithCapacity(dnInfos.length);
for (int i = startIdx; i < dnInfos.length; i++) {
protos.add(convert(dnInfos[i]));
}
return protos;
}
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 DatanodeInfoProto convert(DatanodeInfo info) {
DatanodeInfoProto.Builder builder = DatanodeInfoProto.newBuilder();
builder.setBlockPoolUsed(info.getBlockPoolUsed());
builder.setAdminState(PBHelper.convert(info.getAdminState()));
builder.setCapacity(info.getCapacity())
.setDfsUsed(info.getDfsUsed())
.setId(PBHelper.convert((DatanodeID)info))
.setLastUpdate(info.getLastUpdate())
.setLocation(info.getNetworkLocation())
.setRemaining(info.getRemaining())
.setXceiverCount(info.getXceiverCount())
.build();
return builder.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 LocatedBlockProto convert(LocatedBlock b) {
if (b == null) return null;
Builder builder = LocatedBlockProto.newBuilder();
DatanodeInfo[] locs = b.getLocations();
for (int i = 0; i < locs.length; i++) {
builder.addLocs(i, PBHelper.convert(locs[i]));
}
return builder.setB(PBHelper.convert(b.getBlock()))
.setBlockToken(PBHelper.convert(b.getBlockToken()))
.setCorrupt(b.isCorrupt()).setOffset(b.getStartOffset()).build();
}
public static LocatedBlock convert(LocatedBlockProto proto) {
if (proto == null) return null;
List<DatanodeInfoProto> locs = proto.getLocsList();
DatanodeInfo[] targets = new DatanodeInfo[locs.size()];
for (int i = 0; i < locs.size(); i++) {
targets[i] = PBHelper.convert(locs.get(i));
}
LocatedBlock lb = new LocatedBlock(PBHelper.convert(proto.getB()), targets,
proto.getOffset(), proto.getCorrupt());
lb.setBlockToken(PBHelper.convert(proto.getBlockToken()));
return lb;
}
public static TokenProto convert(Token<?> tok) {
return TokenProto.newBuilder().
setIdentifier(ByteString.copyFrom(tok.getIdentifier())).
setPassword(ByteString.copyFrom(tok.getPassword())).
setKind(tok.getKind().toString()).
setService(tok.getService().toString()).build();
}
public static Token<BlockTokenIdentifier> convert(
TokenProto blockToken) {
return new Token<BlockTokenIdentifier>(blockToken.getIdentifier()
.toByteArray(), blockToken.getPassword().toByteArray(), new Text(
blockToken.getKind()), new Text(blockToken.getService()));
}
public static Token<DelegationTokenIdentifier> convertDelegationToken(
TokenProto blockToken) {
return new Token<DelegationTokenIdentifier>(blockToken.getIdentifier()
.toByteArray(), blockToken.getPassword().toByteArray(), new Text(
blockToken.getKind()), new Text(blockToken.getService()));
}
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;
}
}
public static ReplicaStateProto convert(ReplicaState state) {
switch (state) {
case RBW:
return ReplicaStateProto.RBW;
case RUR:
return ReplicaStateProto.RUR;
case RWR:
return ReplicaStateProto.RWR;
case TEMPORARY:
return ReplicaStateProto.TEMPORARY;
case FINALIZED:
default:
return ReplicaStateProto.FINALIZED;
}
}
public static DatanodeRegistrationProto convert(
DatanodeRegistration registration) {
DatanodeRegistrationProto.Builder builder = DatanodeRegistrationProto
.newBuilder();
return builder.setDatanodeID(PBHelper.convert((DatanodeID) registration))
.setStorageInfo(PBHelper.convert(registration.getStorageInfo()))
.setKeys(PBHelper.convert(registration.getExportedKeys()))
.setSoftwareVersion(registration.getSoftwareVersion()).build();
}
public static DatanodeRegistration convert(DatanodeRegistrationProto proto) {
return new DatanodeRegistration(PBHelper.convert(proto.getDatanodeID()),
PBHelper.convert(proto.getStorageInfo()), PBHelper.convert(proto
.getKeys()), proto.getSoftwareVersion());
}
public static DatanodeCommand convert(DatanodeCommandProto proto) {
switch (proto.getCmdType()) {
case BalancerBandwidthCommand:
return PBHelper.convert(proto.getBalancerCmd());
case BlockCommand:
return PBHelper.convert(proto.getBlkCmd());
case BlockRecoveryCommand:
return PBHelper.convert(proto.getRecoveryCmd());
case FinalizeCommand:
return PBHelper.convert(proto.getFinalizeCmd());
case KeyUpdateCommand:
return PBHelper.convert(proto.getKeyUpdateCmd());
case RegisterCommand:
return REG_CMD;
}
return null;
}
public static BalancerBandwidthCommandProto convert(
BalancerBandwidthCommand bbCmd) {
return BalancerBandwidthCommandProto.newBuilder()
.setBandwidth(bbCmd.getBalancerBandwidthValue()).build();
}
public static KeyUpdateCommandProto convert(KeyUpdateCommand cmd) {
return KeyUpdateCommandProto.newBuilder()
.setKeys(PBHelper.convert(cmd.getExportedKeys())).build();
}
public static BlockRecoveryCommandProto convert(BlockRecoveryCommand cmd) {
BlockRecoveryCommandProto.Builder builder = BlockRecoveryCommandProto
.newBuilder();
for (RecoveringBlock b : cmd.getRecoveringBlocks()) {
builder.addBlocks(PBHelper.convert(b));
}
return builder.build();
}
public static FinalizeCommandProto convert(FinalizeCommand cmd) {
return FinalizeCommandProto.newBuilder()
.setBlockPoolId(cmd.getBlockPoolId()).build();
}
public static BlockCommandProto convert(BlockCommand cmd) {
BlockCommandProto.Builder builder = BlockCommandProto.newBuilder()
.setBlockPoolId(cmd.getBlockPoolId());
switch (cmd.getAction()) {
case DatanodeProtocol.DNA_TRANSFER:
builder.setAction(BlockCommandProto.Action.TRANSFER);
break;
case DatanodeProtocol.DNA_INVALIDATE:
builder.setAction(BlockCommandProto.Action.INVALIDATE);
break;
case DatanodeProtocol.DNA_SHUTDOWN:
builder.setAction(BlockCommandProto.Action.SHUTDOWN);
break;
default:
throw new AssertionError("Invalid action");
}
Block[] blocks = cmd.getBlocks();
for (int i = 0; i < blocks.length; i++) {
builder.addBlocks(PBHelper.convert(blocks[i]));
}
builder.addAllTargets(PBHelper.convert(cmd.getTargets()));
return builder.build();
}
private static List<DatanodeInfosProto> convert(DatanodeInfo[][] targets) {
DatanodeInfosProto[] ret = new DatanodeInfosProto[targets.length];
for (int i = 0; i < targets.length; i++) {
ret[i] = DatanodeInfosProto.newBuilder()
.addAllDatanodes(PBHelper.convert(targets[i])).build();
}
return Arrays.asList(ret);
}
public static DatanodeCommandProto convert(DatanodeCommand datanodeCommand) {
DatanodeCommandProto.Builder builder = DatanodeCommandProto.newBuilder();
if (datanodeCommand == null) {
return builder.setCmdType(DatanodeCommandProto.Type.NullDatanodeCommand)
.build();
}
switch (datanodeCommand.getAction()) {
case DatanodeProtocol.DNA_BALANCERBANDWIDTHUPDATE:
builder.setCmdType(DatanodeCommandProto.Type.BalancerBandwidthCommand)
.setBalancerCmd(
PBHelper.convert((BalancerBandwidthCommand) datanodeCommand));
break;
case DatanodeProtocol.DNA_ACCESSKEYUPDATE:
builder
.setCmdType(DatanodeCommandProto.Type.KeyUpdateCommand)
.setKeyUpdateCmd(PBHelper.convert((KeyUpdateCommand) datanodeCommand));
break;
case DatanodeProtocol.DNA_RECOVERBLOCK:
builder.setCmdType(DatanodeCommandProto.Type.BlockRecoveryCommand)
.setRecoveryCmd(
PBHelper.convert((BlockRecoveryCommand) datanodeCommand));
break;
case DatanodeProtocol.DNA_FINALIZE:
builder.setCmdType(DatanodeCommandProto.Type.FinalizeCommand)
.setFinalizeCmd(PBHelper.convert((FinalizeCommand) datanodeCommand));
break;
case DatanodeProtocol.DNA_REGISTER:
builder.setCmdType(DatanodeCommandProto.Type.RegisterCommand)
.setRegisterCmd(REG_CMD_PROTO);
break;
case DatanodeProtocol.DNA_TRANSFER:
case DatanodeProtocol.DNA_INVALIDATE:
case DatanodeProtocol.DNA_SHUTDOWN:
builder.setCmdType(DatanodeCommandProto.Type.BlockCommand).setBlkCmd(
PBHelper.convert((BlockCommand) datanodeCommand));
break;
case DatanodeProtocol.DNA_UNKNOWN: //Not expected
default:
builder.setCmdType(DatanodeCommandProto.Type.NullDatanodeCommand);
}
return builder.build();
}
public static KeyUpdateCommand convert(KeyUpdateCommandProto keyUpdateCmd) {
return new KeyUpdateCommand(PBHelper.convert(keyUpdateCmd.getKeys()));
}
public static FinalizeCommand convert(FinalizeCommandProto finalizeCmd) {
return new FinalizeCommand(finalizeCmd.getBlockPoolId());
}
public static BlockRecoveryCommand convert(
BlockRecoveryCommandProto recoveryCmd) {
List<RecoveringBlockProto> list = recoveryCmd.getBlocksList();
List<RecoveringBlock> recoveringBlocks = new ArrayList<RecoveringBlock>(
list.size());
for (RecoveringBlockProto rbp : list) {
recoveringBlocks.add(PBHelper.convert(rbp));
}
return new BlockRecoveryCommand(recoveringBlocks);
}
public static BlockCommand convert(BlockCommandProto blkCmd) {
List<BlockProto> blockProtoList = blkCmd.getBlocksList();
Block[] blocks = new Block[blockProtoList.size()];
for (int i = 0; i < blockProtoList.size(); i++) {
blocks[i] = PBHelper.convert(blockProtoList.get(i));
}
List<DatanodeInfosProto> targetList = blkCmd.getTargetsList();
DatanodeInfo[][] targets = new DatanodeInfo[targetList.size()][];
for (int i = 0; i < targetList.size(); i++) {
targets[i] = PBHelper.convert(targetList.get(i));
}
int action = DatanodeProtocol.DNA_UNKNOWN;
switch (blkCmd.getAction()) {
case TRANSFER:
action = DatanodeProtocol.DNA_TRANSFER;
break;
case INVALIDATE:
action = DatanodeProtocol.DNA_INVALIDATE;
break;
case SHUTDOWN:
action = DatanodeProtocol.DNA_SHUTDOWN;
break;
}
return new BlockCommand(action, blkCmd.getBlockPoolId(), blocks, targets);
}
public static DatanodeInfo[] convert(DatanodeInfosProto datanodeInfosProto) {
List<DatanodeInfoProto> proto = datanodeInfosProto.getDatanodesList();
DatanodeInfo[] infos = new DatanodeInfo[proto.size()];
for (int i = 0; i < infos.length; i++) {
infos[i] = PBHelper.convert(proto.get(i));
}
return infos;
}
public static BalancerBandwidthCommand convert(
BalancerBandwidthCommandProto balancerCmd) {
return new BalancerBandwidthCommand(balancerCmd.getBandwidth());
}
public static ReceivedDeletedBlockInfoProto convert(
ReceivedDeletedBlockInfo receivedDeletedBlockInfo) {
ReceivedDeletedBlockInfoProto.Builder builder =
ReceivedDeletedBlockInfoProto.newBuilder();
ReceivedDeletedBlockInfoProto.BlockStatus status;
switch (receivedDeletedBlockInfo.getStatus()) {
case RECEIVING_BLOCK:
status = ReceivedDeletedBlockInfoProto.BlockStatus.RECEIVING;
break;
case RECEIVED_BLOCK:
status = ReceivedDeletedBlockInfoProto.BlockStatus.RECEIVED;
break;
case DELETED_BLOCK:
status = ReceivedDeletedBlockInfoProto.BlockStatus.DELETED;
break;
default:
throw new IllegalArgumentException("Bad status: " +
receivedDeletedBlockInfo.getStatus());
}
builder.setStatus(status);
if (receivedDeletedBlockInfo.getDelHints() != null) {
builder.setDeleteHint(receivedDeletedBlockInfo.getDelHints());
}
return builder.setBlock(PBHelper.convert(receivedDeletedBlockInfo.getBlock()))
.build();
}
public static ReceivedDeletedBlockInfo convert(
ReceivedDeletedBlockInfoProto proto) {
ReceivedDeletedBlockInfo.BlockStatus status = null;
switch (proto.getStatus()) {
case RECEIVING:
status = BlockStatus.RECEIVING_BLOCK;
break;
case RECEIVED:
status = BlockStatus.RECEIVED_BLOCK;
break;
case DELETED:
status = BlockStatus.DELETED_BLOCK;
break;
}
return new ReceivedDeletedBlockInfo(
PBHelper.convert(proto.getBlock()),
status,
proto.hasDeleteHint() ? proto.getDeleteHint() : null);
}
public static NamespaceInfoProto convert(NamespaceInfo info) {
return NamespaceInfoProto.newBuilder()
.setBlockPoolID(info.getBlockPoolID())
.setBuildVersion(info.getBuildVersion())
.setUnused(0)
.setStorageInfo(PBHelper.convert((StorageInfo)info))
.setSoftwareVersion(info.getSoftwareVersion()).build();
}
// Located Block Arrays and Lists
public static LocatedBlockProto[] convertLocatedBlock(LocatedBlock[] lb) {
if (lb == null) return null;
return convertLocatedBlock2(Arrays.asList(lb)).toArray(
new LocatedBlockProto[lb.length]);
}
public static LocatedBlock[] convertLocatedBlock(LocatedBlockProto[] lb) {
if (lb == null) return null;
return convertLocatedBlock(Arrays.asList(lb)).toArray(
new LocatedBlock[lb.length]);
}
public static List<LocatedBlock> convertLocatedBlock(
List<LocatedBlockProto> lb) {
if (lb == null) return null;
final int len = lb.size();
List<LocatedBlock> result =
new ArrayList<LocatedBlock>(len);
for (int i = 0; i < len; ++i) {
result.add(PBHelper.convert(lb.get(i)));
}
return result;
}
public static List<LocatedBlockProto> convertLocatedBlock2(List<LocatedBlock> lb) {
if (lb == null) return null;
final int len = lb.size();
List<LocatedBlockProto> result = new ArrayList<LocatedBlockProto>(len);
for (int i = 0; i < len; ++i) {
result.add(PBHelper.convert(lb.get(i)));
}
return result;
}
// LocatedBlocks
public static LocatedBlocks convert(LocatedBlocksProto lb) {
return new LocatedBlocks(
lb.getFileLength(), lb.getUnderConstruction(),
PBHelper.convertLocatedBlock(lb.getBlocksList()),
lb.hasLastBlock() ? PBHelper.convert(lb.getLastBlock()) : null,
lb.getIsLastBlockComplete());
}
public static LocatedBlocksProto convert(LocatedBlocks lb) {
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();
}
// DataEncryptionKey
public static DataEncryptionKey convert(DataEncryptionKeyProto bet) {
String encryptionAlgorithm = bet.getEncryptionAlgorithm();
return new DataEncryptionKey(bet.getKeyId(),
bet.getBlockPoolId(),
bet.getNonce().toByteArray(),
bet.getEncryptionKey().toByteArray(),
bet.getExpiryDate(),
encryptionAlgorithm.isEmpty() ? null : encryptionAlgorithm);
}
public static DataEncryptionKeyProto convert(DataEncryptionKey bet) {
DataEncryptionKeyProto.Builder b = DataEncryptionKeyProto.newBuilder()
.setKeyId(bet.keyId)
.setBlockPoolId(bet.blockPoolId)
.setNonce(ByteString.copyFrom(bet.nonce))
.setEncryptionKey(ByteString.copyFrom(bet.encryptionKey))
.setExpiryDate(bet.expiryDate);
if (bet.encryptionAlgorithm != null) {
b.setEncryptionAlgorithm(bet.encryptionAlgorithm);
}
return b.build();
}
public static FsServerDefaults convert(FsServerDefaultsProto fs) {
if (fs == null) return null;
return new FsServerDefaults(
fs.getBlockSize(), fs.getBytesPerChecksum(),
fs.getWritePacketSize(), (short) fs.getReplication(),
fs.getFileBufferSize(),
fs.getEncryptDataTransfer(),
fs.getTrashInterval(),
PBHelper.convert(fs.getChecksumType()));
}
public static FsServerDefaultsProto convert(FsServerDefaults fs) {
if (fs == null) return null;
return FsServerDefaultsProto.newBuilder().
setBlockSize(fs.getBlockSize()).
setBytesPerChecksum(fs.getBytesPerChecksum()).
setWritePacketSize(fs.getWritePacketSize())
.setReplication(fs.getReplication())
.setFileBufferSize(fs.getFileBufferSize())
.setEncryptDataTransfer(fs.getEncryptDataTransfer())
.setTrashInterval(fs.getTrashInterval())
.setChecksumType(PBHelper.convert(fs.getChecksumType()))
.build();
}
public static FsPermissionProto convert(FsPermission p) {
if (p == null) return null;
return FsPermissionProto.newBuilder().setPerm(p.toShort()).build();
}
public static FsPermission convert(FsPermissionProto p) {
if (p == null) return null;
return new FsPermission((short)p.getPerm());
}
// The creatFlag field in PB is a bitmask whose values are the same a the
// emum values of CreateFlag
public static int convertCreateFlag(EnumSetWritable<CreateFlag> flag) {
int value = 0;
if (flag.contains(CreateFlag.APPEND)) {
value |= CreateFlagProto.APPEND.getNumber();
}
if (flag.contains(CreateFlag.CREATE)) {
value |= CreateFlagProto.CREATE.getNumber();
}
if (flag.contains(CreateFlag.OVERWRITE)) {
value |= CreateFlagProto.OVERWRITE.getNumber();
}
return value;
}
public static EnumSetWritable<CreateFlag> convert(int flag) {
EnumSet<CreateFlag> result =
EnumSet.noneOf(CreateFlag.class);
if ((flag & CreateFlagProto.APPEND_VALUE) == CreateFlagProto.APPEND_VALUE) {
result.add(CreateFlag.APPEND);
}
if ((flag & CreateFlagProto.CREATE_VALUE) == CreateFlagProto.CREATE_VALUE) {
result.add(CreateFlag.CREATE);
}
if ((flag & CreateFlagProto.OVERWRITE_VALUE)
== CreateFlagProto.OVERWRITE_VALUE) {
result.add(CreateFlag.OVERWRITE);
}
return new EnumSetWritable<CreateFlag>(result);
}
public static HdfsFileStatus convert(HdfsFileStatusProto fs) {
if (fs == null)
return null;
return new HdfsLocatedFileStatus(
fs.getLength(), fs.getFileType().equals(FileType.IS_DIR),
fs.getBlockReplication(), fs.getBlocksize(),
fs.getModificationTime(), fs.getAccessTime(),
PBHelper.convert(fs.getPermission()), fs.getOwner(), fs.getGroup(),
fs.getFileType().equals(FileType.IS_SYMLINK) ?
fs.getSymlink().toByteArray() : null,
fs.getPath().toByteArray(),
fs.hasFileId()? fs.getFileId(): INodeId.GRANDFATHER_INODE_ID,
fs.hasLocations() ? PBHelper.convert(fs.getLocations()) : null,
fs.hasChildrenNum() ? fs.getChildrenNum() : -1);
}
public static SnapshottableDirectoryStatus convert(
SnapshottableDirectoryStatusProto sdirStatusProto) {
if (sdirStatusProto == null) {
return null;
}
final HdfsFileStatusProto status = sdirStatusProto.getDirStatus();
return new SnapshottableDirectoryStatus(
status.getModificationTime(),
status.getAccessTime(),
PBHelper.convert(status.getPermission()),
status.getOwner(),
status.getGroup(),
status.getPath().toByteArray(),
status.getFileId(),
status.getChildrenNum(),
sdirStatusProto.getSnapshotNumber(),
sdirStatusProto.getSnapshotQuota(),
sdirStatusProto.getParentFullpath().toByteArray());
}
public static HdfsFileStatusProto convert(HdfsFileStatus fs) {
if (fs == null)
return null;
FileType fType = FileType.IS_FILE;
if (fs.isDir()) {
fType = FileType.IS_DIR;
} else if (fs.isSymlink()) {
fType = FileType.IS_SYMLINK;
}
HdfsFileStatusProto.Builder builder =
HdfsFileStatusProto.newBuilder().
setLength(fs.getLen()).
setFileType(fType).
setBlockReplication(fs.getReplication()).
setBlocksize(fs.getBlockSize()).
setModificationTime(fs.getModificationTime()).
setAccessTime(fs.getAccessTime()).
setPermission(PBHelper.convert(fs.getPermission())).
setOwner(fs.getOwner()).
setGroup(fs.getGroup()).
setFileId(fs.getFileId()).
setChildrenNum(fs.getChildrenNum()).
setPath(ByteString.copyFrom(fs.getLocalNameInBytes()));
if (fs.isSymlink()) {
builder.setSymlink(ByteString.copyFrom(fs.getSymlinkInBytes()));
}
if (fs instanceof HdfsLocatedFileStatus) {
LocatedBlocks locations = ((HdfsLocatedFileStatus)fs).getBlockLocations();
if (locations != null) {
builder.setLocations(PBHelper.convert(locations));
}
}
return builder.build();
}
public static SnapshottableDirectoryStatusProto convert(
SnapshottableDirectoryStatus status) {
if (status == null) {
return null;
}
int snapshotNumber = status.getSnapshotNumber();
int snapshotQuota = status.getSnapshotQuota();
byte[] parentFullPath = status.getParentFullPath();
ByteString parentFullPathBytes = ByteString.copyFrom(
parentFullPath == null ? DFSUtil.EMPTY_BYTES : parentFullPath);
HdfsFileStatusProto fs = convert(status.getDirStatus());
SnapshottableDirectoryStatusProto.Builder builder =
SnapshottableDirectoryStatusProto
.newBuilder().setSnapshotNumber(snapshotNumber)
.setSnapshotQuota(snapshotQuota).setParentFullpath(parentFullPathBytes)
.setDirStatus(fs);
return builder.build();
}
public static HdfsFileStatusProto[] convert(HdfsFileStatus[] fs) {
if (fs == null) return null;
final int len = fs.length;
HdfsFileStatusProto[] result = new HdfsFileStatusProto[len];
for (int i = 0; i < len; ++i) {
result[i] = PBHelper.convert(fs[i]);
}
return result;
}
public static HdfsFileStatus[] convert(HdfsFileStatusProto[] fs) {
if (fs == null) return null;
final int len = fs.length;
HdfsFileStatus[] result = new HdfsFileStatus[len];
for (int i = 0; i < len; ++i) {
result[i] = PBHelper.convert(fs[i]);
}
return result;
}
public static DirectoryListing convert(DirectoryListingProto dl) {
if (dl == null)
return null;
List<HdfsFileStatusProto> partList = dl.getPartialListingList();
return new DirectoryListing(
partList.isEmpty() ? new HdfsLocatedFileStatus[0]
: PBHelper.convert(
partList.toArray(new HdfsFileStatusProto[partList.size()])),
dl.getRemainingEntries());
}
public static DirectoryListingProto convert(DirectoryListing d) {
if (d == null)
return null;
return DirectoryListingProto.newBuilder().
addAllPartialListing(Arrays.asList(
PBHelper.convert(d.getPartialListing()))).
setRemainingEntries(d.getRemainingEntries()).
build();
}
public static long[] convert(GetFsStatsResponseProto res) {
long[] result = new long[6];
result[ClientProtocol.GET_STATS_CAPACITY_IDX] = res.getCapacity();
result[ClientProtocol.GET_STATS_USED_IDX] = res.getUsed();
result[ClientProtocol.GET_STATS_REMAINING_IDX] = res.getRemaining();
result[ClientProtocol.GET_STATS_UNDER_REPLICATED_IDX] = res.getUnderReplicated();
result[ClientProtocol.GET_STATS_CORRUPT_BLOCKS_IDX] = res.getCorruptBlocks();
result[ClientProtocol.GET_STATS_MISSING_BLOCKS_IDX] = res.getMissingBlocks();
return result;
}
public static GetFsStatsResponseProto convert(long[] fsStats) {
GetFsStatsResponseProto.Builder result = GetFsStatsResponseProto
.newBuilder();
if (fsStats.length >= ClientProtocol.GET_STATS_CAPACITY_IDX + 1)
result.setCapacity(fsStats[ClientProtocol.GET_STATS_CAPACITY_IDX]);
if (fsStats.length >= ClientProtocol.GET_STATS_USED_IDX + 1)
result.setUsed(fsStats[ClientProtocol.GET_STATS_USED_IDX]);
if (fsStats.length >= ClientProtocol.GET_STATS_REMAINING_IDX + 1)
result.setRemaining(fsStats[ClientProtocol.GET_STATS_REMAINING_IDX]);
if (fsStats.length >= ClientProtocol.GET_STATS_UNDER_REPLICATED_IDX + 1)
result.setUnderReplicated(
fsStats[ClientProtocol.GET_STATS_UNDER_REPLICATED_IDX]);
if (fsStats.length >= ClientProtocol.GET_STATS_CORRUPT_BLOCKS_IDX + 1)
result.setCorruptBlocks(
fsStats[ClientProtocol.GET_STATS_CORRUPT_BLOCKS_IDX]);
if (fsStats.length >= ClientProtocol.GET_STATS_MISSING_BLOCKS_IDX + 1)
result.setMissingBlocks(
fsStats[ClientProtocol.GET_STATS_MISSING_BLOCKS_IDX]);
return result.build();
}
public static DatanodeReportTypeProto
convert(DatanodeReportType t) {
switch (t) {
case ALL: return DatanodeReportTypeProto.ALL;
case LIVE: return DatanodeReportTypeProto.LIVE;
case DEAD: return DatanodeReportTypeProto.DEAD;
default:
throw new IllegalArgumentException("Unexpected data type report:" + t);
}
}
public static DatanodeReportType
convert(DatanodeReportTypeProto t) {
switch (t) {
case ALL: return DatanodeReportType.ALL;
case LIVE: return DatanodeReportType.LIVE;
case DEAD: return DatanodeReportType.DEAD;
default:
throw new IllegalArgumentException("Unexpected data type report:" + t);
}
}
public static SafeModeActionProto convert(
SafeModeAction a) {
switch (a) {
case SAFEMODE_LEAVE:
return SafeModeActionProto.SAFEMODE_LEAVE;
case SAFEMODE_ENTER:
return SafeModeActionProto.SAFEMODE_ENTER;
case SAFEMODE_GET:
return SafeModeActionProto.SAFEMODE_GET;
default:
throw new IllegalArgumentException("Unexpected SafeModeAction :" + a);
}
}
public static SafeModeAction convert(
ClientNamenodeProtocolProtos.SafeModeActionProto a) {
switch (a) {
case SAFEMODE_LEAVE:
return SafeModeAction.SAFEMODE_LEAVE;
case SAFEMODE_ENTER:
return SafeModeAction.SAFEMODE_ENTER;
case SAFEMODE_GET:
return SafeModeAction.SAFEMODE_GET;
default:
throw new IllegalArgumentException("Unexpected SafeModeAction :" + a);
}
}
public static CorruptFileBlocks convert(CorruptFileBlocksProto c) {
if (c == null)
return null;
List<String> fileList = c.getFilesList();
return new CorruptFileBlocks(fileList.toArray(new String[fileList.size()]),
c.getCookie());
}
public static CorruptFileBlocksProto convert(CorruptFileBlocks c) {
if (c == null)
return null;
return CorruptFileBlocksProto.newBuilder().
addAllFiles(Arrays.asList(c.getFiles())).
setCookie(c.getCookie()).
build();
}
public static ContentSummary convert(ContentSummaryProto cs) {
if (cs == null) return null;
return new ContentSummary(
cs.getLength(), cs.getFileCount(), cs.getDirectoryCount(), cs.getQuota(),
cs.getSpaceConsumed(), cs.getSpaceQuota());
}
public static ContentSummaryProto convert(ContentSummary cs) {
if (cs == null) return null;
return ContentSummaryProto.newBuilder().
setLength(cs.getLength()).
setFileCount(cs.getFileCount()).
setDirectoryCount(cs.getDirectoryCount()).
setQuota(cs.getQuota()).
setSpaceConsumed(cs.getSpaceConsumed()).
setSpaceQuota(cs.getSpaceQuota()).
build();
}
public static NNHAStatusHeartbeat convert(NNHAStatusHeartbeatProto s) {
if (s == null) return null;
switch (s.getState()) {
case ACTIVE:
return new NNHAStatusHeartbeat(HAServiceState.ACTIVE, s.getTxid());
case STANDBY:
return new NNHAStatusHeartbeat(HAServiceState.STANDBY, s.getTxid());
default:
throw new IllegalArgumentException("Unexpected NNHAStatusHeartbeat.State:" + s.getState());
}
}
public static NNHAStatusHeartbeatProto convert(NNHAStatusHeartbeat hb) {
if (hb == null) return null;
NNHAStatusHeartbeatProto.Builder builder =
NNHAStatusHeartbeatProto.newBuilder();
switch (hb.getState()) {
case ACTIVE:
builder.setState(NNHAStatusHeartbeatProto.State.ACTIVE);
break;
case STANDBY:
builder.setState(NNHAStatusHeartbeatProto.State.STANDBY);
break;
default:
throw new IllegalArgumentException("Unexpected NNHAStatusHeartbeat.State:" +
hb.getState());
}
builder.setTxid(hb.getTxId());
return builder.build();
}
public static DatanodeStorageProto convert(DatanodeStorage s) {
return DatanodeStorageProto.newBuilder()
.setState(PBHelper.convert(s.getState()))
.setStorageID(s.getStorageID()).build();
}
private static StorageState convert(State state) {
switch(state) {
case READ_ONLY:
return StorageState.READ_ONLY;
case NORMAL:
default:
return StorageState.NORMAL;
}
}
public static DatanodeStorage convert(DatanodeStorageProto s) {
return new DatanodeStorage(s.getStorageID(), PBHelper.convert(s.getState()));
}
private static State convert(StorageState state) {
switch(state) {
case READ_ONLY:
return DatanodeStorage.State.READ_ONLY;
case NORMAL:
default:
return DatanodeStorage.State.NORMAL;
}
}
public static StorageReportProto convert(StorageReport r) {
return StorageReportProto.newBuilder()
.setBlockPoolUsed(r.getBlockPoolUsed()).setCapacity(r.getCapacity())
.setDfsUsed(r.getDfsUsed()).setRemaining(r.getRemaining())
.setStorageID(r.getStorageID()).build();
}
public static JournalInfo convert(JournalInfoProto info) {
int lv = info.hasLayoutVersion() ? info.getLayoutVersion() : 0;
int nsID = info.hasNamespaceID() ? info.getNamespaceID() : 0;
return new JournalInfo(lv, info.getClusterID(), nsID);
}
/**
* Method used for converting {@link JournalInfoProto} sent from Namenode
* to Journal receivers to {@link NamenodeRegistration}.
*/
public static JournalInfoProto convert(JournalInfo j) {
return JournalInfoProto.newBuilder().setClusterID(j.getClusterId())
.setLayoutVersion(j.getLayoutVersion())
.setNamespaceID(j.getNamespaceId()).build();
}
public static SnapshottableDirectoryStatus[] convert(
SnapshottableDirectoryListingProto sdlp) {
if (sdlp == null)
return null;
List<SnapshottableDirectoryStatusProto> list = sdlp
.getSnapshottableDirListingList();
if (list.isEmpty()) {
return new SnapshottableDirectoryStatus[0];
} else {
SnapshottableDirectoryStatus[] result =
new SnapshottableDirectoryStatus[list.size()];
for (int i = 0; i < list.size(); i++) {
result[i] = PBHelper.convert(list.get(i));
}
return result;
}
}
public static SnapshottableDirectoryListingProto convert(
SnapshottableDirectoryStatus[] status) {
if (status == null)
return null;
SnapshottableDirectoryStatusProto[] protos =
new SnapshottableDirectoryStatusProto[status.length];
for (int i = 0; i < status.length; i++) {
protos[i] = PBHelper.convert(status[i]);
}
List<SnapshottableDirectoryStatusProto> protoList = Arrays.asList(protos);
return SnapshottableDirectoryListingProto.newBuilder()
.addAllSnapshottableDirListing(protoList).build();
}
public static DiffReportEntry convert(SnapshotDiffReportEntryProto entry) {
if (entry == null) {
return null;
}
DiffType type = DiffType.getTypeFromLabel(entry
.getModificationLabel());
return type == null ? null :
new DiffReportEntry(type, entry.getFullpath().toByteArray());
}
public static SnapshotDiffReportEntryProto convert(DiffReportEntry entry) {
if (entry == null) {
return null;
}
byte[] fullPath = entry.getRelativePath();
ByteString fullPathString = ByteString
.copyFrom(fullPath == null ? DFSUtil.EMPTY_BYTES : fullPath);
String modification = entry.getType().getLabel();
SnapshotDiffReportEntryProto entryProto = SnapshotDiffReportEntryProto
.newBuilder().setFullpath(fullPathString)
.setModificationLabel(modification).build();
return entryProto;
}
public static SnapshotDiffReport convert(SnapshotDiffReportProto reportProto) {
if (reportProto == null) {
return null;
}
String snapshotDir = reportProto.getSnapshotRoot();
String fromSnapshot = reportProto.getFromSnapshot();
String toSnapshot = reportProto.getToSnapshot();
List<SnapshotDiffReportEntryProto> list = reportProto
.getDiffReportEntriesList();
List<DiffReportEntry> entries = new ArrayList<DiffReportEntry>();
for (SnapshotDiffReportEntryProto entryProto : list) {
DiffReportEntry entry = convert(entryProto);
if (entry != null)
entries.add(entry);
}
return new SnapshotDiffReport(snapshotDir, fromSnapshot, toSnapshot,
entries);
}
public static SnapshotDiffReportProto convert(SnapshotDiffReport report) {
if (report == null) {
return null;
}
List<DiffReportEntry> entries = report.getDiffList();
List<SnapshotDiffReportEntryProto> entryProtos =
new ArrayList<SnapshotDiffReportEntryProto>();
for (DiffReportEntry entry : entries) {
SnapshotDiffReportEntryProto entryProto = convert(entry);
if (entryProto != null)
entryProtos.add(entryProto);
}
SnapshotDiffReportProto reportProto = SnapshotDiffReportProto.newBuilder()
.setSnapshotRoot(report.getSnapshotRoot())
.setFromSnapshot(report.getFromSnapshot())
.setToSnapshot(report.getLaterSnapshotName())
.addAllDiffReportEntries(entryProtos).build();
return reportProto;
}
public static DataChecksum.Type convert(HdfsProtos.ChecksumTypeProto type) {
return DataChecksum.Type.valueOf(type.getNumber());
}
public static HdfsProtos.ChecksumTypeProto convert(DataChecksum.Type type) {
return HdfsProtos.ChecksumTypeProto.valueOf(type.id);
}
public static InputStream vintPrefixed(final InputStream input)
throws IOException {
final int firstByte = input.read();
if (firstByte == -1) {
throw new EOFException("Premature EOF: no length prefix available");
}
int size = CodedInputStream.readRawVarint32(firstByte, input);
assert size >= 0;
return new ExactSizeInputStream(input, size);
}
}