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/**
 * 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.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

import com.google.common.base.Preconditions;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.google.common.collect.Lists;
import com.google.common.primitives.Shorts;
import com.google.protobuf.ByteString;
import com.google.protobuf.CodedInputStream;

import org.apache.hadoop.crypto.CipherOption;
import org.apache.hadoop.crypto.CipherSuite;
import org.apache.hadoop.crypto.CryptoProtocolVersion;
import org.apache.hadoop.hdfs.AddBlockFlag;
import org.apache.hadoop.fs.CacheFlag;
import org.apache.hadoop.fs.ContentSummary;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FileEncryptionInfo;
import org.apache.hadoop.fs.FsServerDefaults;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.QuotaUsage;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.fs.XAttr;
import org.apache.hadoop.fs.XAttrSetFlag;
import org.apache.hadoop.fs.permission.AclEntry;
import org.apache.hadoop.fs.permission.AclEntryScope;
import org.apache.hadoop.fs.permission.AclEntryType;
import org.apache.hadoop.fs.permission.AclStatus;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DFSUtilClient;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.inotify.Event;
import org.apache.hadoop.hdfs.inotify.EventBatch;
import org.apache.hadoop.hdfs.inotify.EventBatchList;
import org.apache.hadoop.hdfs.protocol.AddErasureCodingPolicyResponse;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.BlockChecksumOptions;
import org.apache.hadoop.hdfs.protocol.BlockChecksumType;
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
import org.apache.hadoop.hdfs.protocol.BlockType;
import org.apache.hadoop.hdfs.protocol.CacheDirectiveEntry;
import org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo;
import org.apache.hadoop.hdfs.protocol.CacheDirectiveStats;
import org.apache.hadoop.hdfs.protocol.CachePoolEntry;
import org.apache.hadoop.hdfs.protocol.CachePoolInfo;
import org.apache.hadoop.hdfs.protocol.CachePoolStats;
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.DatanodeInfo.DatanodeInfoBuilder;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates;
import org.apache.hadoop.hdfs.protocol.DatanodeLocalInfo;
import org.apache.hadoop.hdfs.protocol.DirectoryListing;
import org.apache.hadoop.hdfs.protocol.ECBlockGroupStats;
import org.apache.hadoop.hdfs.protocol.EncryptionZone;
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo;
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyState;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.protocol.FsPermissionExtension;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.ReencryptAction;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.RollingUpgradeAction;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
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.LocatedStripedBlock;
import org.apache.hadoop.hdfs.protocol.OpenFilesIterator.OpenFilesType;
import org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats;
import org.apache.hadoop.hdfs.protocol.OpenFileEntry;
import org.apache.hadoop.hdfs.protocol.ProvidedStorageLocation;
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
import org.apache.hadoop.hdfs.protocol.RollingUpgradeStatus;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing.DiffReportListingEntry;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
import org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus;
import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
import org.apache.hadoop.hdfs.protocol.ZoneReencryptionStatus;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.AclEntryProto;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.AclEntryProto.AclEntryScopeProto;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.AclEntryProto.AclEntryTypeProto;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.AclEntryProto.FsActionProto;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.AclStatusProto;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.FsPermissionProto;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.GetAclStatusResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.AddBlockFlagProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveEntryProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveInfoExpirationProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveStatsProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheFlagProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CachePoolEntryProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CachePoolInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CachePoolStatsProto;
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.DatanodeStorageReportProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetEditsFromTxidResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFsECBlockGroupStatsResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFsReplicatedBlockStatsResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.GetFsStatsResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.OpenFilesBatchResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.OpenFilesTypeProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.RollingUpgradeActionProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.RollingUpgradeInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SafeModeActionProto;
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ShortCircuitShmIdProto;
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ShortCircuitShmSlotProto;
import org.apache.hadoop.hdfs.protocol.proto.EncryptionZonesProtos.EncryptionZoneProto;
import org.apache.hadoop.hdfs.protocol.proto.EncryptionZonesProtos.ReencryptActionProto;
import org.apache.hadoop.hdfs.protocol.proto.EncryptionZonesProtos.ReencryptionStateProto;
import org.apache.hadoop.hdfs.protocol.proto.EncryptionZonesProtos.ZoneReencryptionStatusProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.AccessModeProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.AddErasureCodingPolicyResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockStoragePolicyProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockTypeProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockTokenSecretProto;
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.CryptoProtocolVersionProto;
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.DatanodeLocalInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeStorageProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeStorageProto.StorageState;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DirectoryListingProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ExtendedBlockProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ErasureCodingPolicyProto;
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.QuotaUsageProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ReencryptionInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RollingUpgradeStatusProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportListingEntryProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportListingProto;
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.StorageReportProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.StorageTypeProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.StorageTypesProto;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ZoneEncryptionInfoProto;
import org.apache.hadoop.hdfs.protocol.proto.InotifyProtos;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.GetXAttrsResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.ListXAttrsResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.XAttrProto;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.XAttrProto.XAttrNamespaceProto;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.XAttrSetFlagProto;
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.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage.State;
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport;
import org.apache.hadoop.hdfs.server.protocol.StorageReport;
import org.apache.hadoop.hdfs.protocol.proto.ErasureCodingProtos.CodecProto;
import org.apache.hadoop.hdfs.shortcircuit.ShortCircuitShm.ShmId;
import org.apache.hadoop.hdfs.shortcircuit.ShortCircuitShm.SlotId;
import org.apache.hadoop.io.EnumSetWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.erasurecode.ECSchema;
import org.apache.hadoop.security.proto.SecurityProtos.TokenProto;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.util.ChunkedArrayList;
import org.apache.hadoop.util.DataChecksum;
import org.apache.hadoop.util.LimitInputStream;

/**
 * Utilities for converting protobuf classes to and from hdfs-client side
 * 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 PBHelperClient {
  private static final XAttr.NameSpace[] XATTR_NAMESPACE_VALUES =
      XAttr.NameSpace.values();
  private static final AclEntryType[] ACL_ENTRY_TYPE_VALUES =
      AclEntryType.values();
  private static final AclEntryScope[] ACL_ENTRY_SCOPE_VALUES =
      AclEntryScope.values();
  private static final FsAction[] FSACTION_VALUES =
      FsAction.values();

  /**
   * Map used to cache fixed strings to ByteStrings. Since there is no
   * automatic expiration policy, only use this for strings from a fixed, small
   * set.
   * 

* This map should not be accessed directly. Used the getFixedByteString * methods instead. */ private static ConcurrentHashMap fixedByteStringCache = new ConcurrentHashMap<>(); private static ByteString getFixedByteString(Text key) { ByteString value = fixedByteStringCache.get(key); if (value == null) { value = ByteString.copyFromUtf8(key.toString()); fixedByteStringCache.put(new Text(key.copyBytes()), value); } return value; } private static ByteString getFixedByteString(String key) { ByteString value = fixedByteStringCache.get(key); if (value == null) { value = ByteString.copyFromUtf8(key); fixedByteStringCache.put(key, value); } return value; } /** * Guava cache for caching String to ByteString encoding. Use this when the * set of Strings is large, mutable, or unknown. */ private static LoadingCache bytestringCache = CacheBuilder.newBuilder() .maximumSize(10000) .build( new CacheLoader() { public ByteString load(String key) { return ByteString.copyFromUtf8(key); } }); private PBHelperClient() { /** Hidden constructor */ } public static ByteString getByteString(byte[] bytes) { // return singleton to reduce object allocation return (bytes.length == 0) ? ByteString.EMPTY : ByteString.copyFrom(bytes); } public static ShmId convert(ShortCircuitShmIdProto shmId) { return new ShmId(shmId.getHi(), shmId.getLo()); } 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 HdfsProtos.BlockChecksumTypeProto convert( BlockChecksumType type) { switch(type) { case MD5CRC: return HdfsProtos.BlockChecksumTypeProto.MD5CRC; case COMPOSITE_CRC: return HdfsProtos.BlockChecksumTypeProto.COMPOSITE_CRC; default: throw new IllegalStateException( "BUG: BlockChecksumType not found, type=" + type); } } public static BlockChecksumType convert( HdfsProtos.BlockChecksumTypeProto blockChecksumTypeProto) { switch(blockChecksumTypeProto) { case MD5CRC: return BlockChecksumType.MD5CRC; case COMPOSITE_CRC: return BlockChecksumType.COMPOSITE_CRC; default: throw new IllegalStateException( "BUG: BlockChecksumTypeProto not found, type=" + blockChecksumTypeProto); } } public static HdfsProtos.BlockChecksumOptionsProto convert( BlockChecksumOptions options) { return HdfsProtos.BlockChecksumOptionsProto.newBuilder() .setBlockChecksumType(convert(options.getBlockChecksumType())) .setStripeLength(options.getStripeLength()) .build(); } public static BlockChecksumOptions convert( HdfsProtos.BlockChecksumOptionsProto options) { return new BlockChecksumOptions( convert(options.getBlockChecksumType()), options.getStripeLength()); } public static ExtendedBlockProto convert(final ExtendedBlock b) { if (b == null) return null; return ExtendedBlockProto.newBuilder(). setPoolIdBytes(getFixedByteString(b.getBlockPoolId())). setBlockId(b.getBlockId()). setNumBytes(b.getNumBytes()). setGenerationStamp(b.getGenerationStamp()). build(); } public static TokenProto convert(Token tok) { return TokenProto.newBuilder(). setIdentifier(getByteString(tok.getIdentifier())). setPassword(getByteString(tok.getPassword())). setKindBytes(getFixedByteString(tok.getKind())). setServiceBytes(getFixedByteString(tok.getService())).build(); } public static ShortCircuitShmIdProto convert(ShmId shmId) { return ShortCircuitShmIdProto.newBuilder(). setHi(shmId.getHi()). setLo(shmId.getLo()). build(); } public static ShortCircuitShmSlotProto convert(SlotId slotId) { return ShortCircuitShmSlotProto.newBuilder(). setShmId(convert(slotId.getShmId())). setSlotIdx(slotId.getSlotIdx()). build(); } public static DatanodeIDProto convert(DatanodeID dn) { // For wire compatibility with older versions we transmit the StorageID // which is the same as the DatanodeUuid. Since StorageID is a required // field we pass the empty string if the DatanodeUuid is not yet known. return DatanodeIDProto.newBuilder() .setIpAddrBytes(dn.getIpAddrBytes()) .setHostNameBytes(dn.getHostNameBytes()) .setXferPort(dn.getXferPort()) .setDatanodeUuidBytes(dn.getDatanodeUuidBytes()) .setInfoPort(dn.getInfoPort()) .setInfoSecurePort(dn.getInfoSecurePort()) .setIpcPort(dn.getIpcPort()).build(); } 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; case ENTERING_MAINTENANCE: return DatanodeInfoProto.AdminState.ENTERING_MAINTENANCE; case IN_MAINTENANCE: return DatanodeInfoProto.AdminState.IN_MAINTENANCE; default: return DatanodeInfoProto.AdminState.NORMAL; } } public static DatanodeInfoProto convert(DatanodeInfo info) { DatanodeInfoProto.Builder builder = DatanodeInfoProto.newBuilder(); if (info.getNetworkLocation() != null) { builder.setLocationBytes( bytestringCache.getUnchecked(info.getNetworkLocation())); } if (info.getUpgradeDomain() != null) { builder.setUpgradeDomain(info.getUpgradeDomain()); } builder .setId(convert((DatanodeID) info)) .setCapacity(info.getCapacity()) .setDfsUsed(info.getDfsUsed()) .setNonDfsUsed(info.getNonDfsUsed()) .setRemaining(info.getRemaining()) .setBlockPoolUsed(info.getBlockPoolUsed()) .setCacheCapacity(info.getCacheCapacity()) .setCacheUsed(info.getCacheUsed()) .setLastUpdate(info.getLastUpdate()) .setLastUpdateMonotonic(info.getLastUpdateMonotonic()) .setXceiverCount(info.getXceiverCount()) .setAdminState(convert(info.getAdminState())) .setLastBlockReportTime(info.getLastBlockReportTime()) .setLastBlockReportMonotonic(info.getLastBlockReportMonotonic()) .setNumBlocks(info.getNumBlocks()) .build(); return builder.build(); } public static List 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 convert( DatanodeInfo[] dnInfos, int startIdx) { if (dnInfos == null) return null; ArrayList protos = Lists .newArrayListWithCapacity(dnInfos.length); for (int i = startIdx; i < dnInfos.length; i++) { protos.add(convert(dnInfos[i])); } return protos; } public static List convert(boolean[] targetPinnings, int idx) { List pinnings = new ArrayList<>(); if (targetPinnings == null) { pinnings.add(Boolean.FALSE); } else { for (; idx < targetPinnings.length; ++idx) { pinnings.add(targetPinnings[idx]); } } return pinnings; } public static List convert(String[] targetIds, int idx) { List ids = new ArrayList<>(); if (targetIds != null) { for (; idx < targetIds.length; ++idx) { ids.add(targetIds[idx]); } } return ids; } public static ExtendedBlock convert(ExtendedBlockProto eb) { if (eb == null) return null; return new ExtendedBlock( eb.getPoolId(), eb.getBlockId(), eb.getNumBytes(), eb.getGenerationStamp()); } public static DatanodeLocalInfo convert(DatanodeLocalInfoProto proto) { return new DatanodeLocalInfo(proto.getSoftwareVersion(), proto.getConfigVersion(), proto.getUptime()); } static public DatanodeInfoProto convertDatanodeInfo(DatanodeInfo di) { if (di == null) return null; return convert(di); } public static StorageTypeProto convertStorageType(StorageType type) { switch(type) { case DISK: return StorageTypeProto.DISK; case SSD: return StorageTypeProto.SSD; case ARCHIVE: return StorageTypeProto.ARCHIVE; case RAM_DISK: return StorageTypeProto.RAM_DISK; case PROVIDED: return StorageTypeProto.PROVIDED; default: throw new IllegalStateException( "BUG: StorageType not found, type=" + type); } } public static StorageType convertStorageType(StorageTypeProto type) { switch(type) { case DISK: return StorageType.DISK; case SSD: return StorageType.SSD; case ARCHIVE: return StorageType.ARCHIVE; case RAM_DISK: return StorageType.RAM_DISK; case PROVIDED: return StorageType.PROVIDED; default: throw new IllegalStateException( "BUG: StorageTypeProto not found, type=" + type); } } public static List convertStorageTypes( StorageType[] types) { return convertStorageTypes(types, 0); } public static List convertStorageTypes( StorageType[] types, int startIdx) { if (types == null) { return null; } final List protos = new ArrayList<>( types.length); for (int i = startIdx; i < types.length; ++i) { protos.add(convertStorageType(types[i])); } return protos; } public static InputStream vintPrefixed(final InputStream input) throws IOException { final int firstByte = input.read(); if (firstByte == -1) { throw new EOFException( "Unexpected EOF while trying to read response from server"); } int size = CodedInputStream.readRawVarint32(firstByte, input); assert size >= 0; return new LimitInputStream(input, size); } public static CipherOption convert(HdfsProtos.CipherOptionProto proto) { if (proto != null) { CipherSuite suite = null; if (proto.getSuite() != null) { suite = convert(proto.getSuite()); } byte[] inKey = null; if (proto.getInKey() != null) { inKey = proto.getInKey().toByteArray(); } byte[] inIv = null; if (proto.getInIv() != null) { inIv = proto.getInIv().toByteArray(); } byte[] outKey = null; if (proto.getOutKey() != null) { outKey = proto.getOutKey().toByteArray(); } byte[] outIv = null; if (proto.getOutIv() != null) { outIv = proto.getOutIv().toByteArray(); } return new CipherOption(suite, inKey, inIv, outKey, outIv); } return null; } public static CipherSuite convert(HdfsProtos.CipherSuiteProto proto) { switch (proto) { case AES_CTR_NOPADDING: return CipherSuite.AES_CTR_NOPADDING; default: // Set to UNKNOWN and stash the unknown enum value CipherSuite suite = CipherSuite.UNKNOWN; suite.setUnknownValue(proto.getNumber()); return suite; } } public static HdfsProtos.CipherOptionProto convert(CipherOption option) { if (option != null) { HdfsProtos.CipherOptionProto.Builder builder = HdfsProtos.CipherOptionProto.newBuilder(); if (option.getCipherSuite() != null) { builder.setSuite(convert(option.getCipherSuite())); } if (option.getInKey() != null) { builder.setInKey(getByteString(option.getInKey())); } if (option.getInIv() != null) { builder.setInIv(getByteString(option.getInIv())); } if (option.getOutKey() != null) { builder.setOutKey(getByteString(option.getOutKey())); } if (option.getOutIv() != null) { builder.setOutIv(getByteString(option.getOutIv())); } return builder.build(); } return null; } public static HdfsProtos.CipherSuiteProto convert(CipherSuite suite) { switch (suite) { case UNKNOWN: return HdfsProtos.CipherSuiteProto.UNKNOWN; case AES_CTR_NOPADDING: return HdfsProtos.CipherSuiteProto.AES_CTR_NOPADDING; default: return null; } } public static List convertCipherOptions( List options) { if (options != null) { List protos = Lists.newArrayListWithCapacity(options.size()); for (CipherOption option : options) { protos.add(convert(option)); } return protos; } return null; } public static List convertCipherOptionProtos( List protos) { if (protos != null) { List options = Lists.newArrayListWithCapacity(protos.size()); for (HdfsProtos.CipherOptionProto proto : protos) { options.add(convert(proto)); } return options; } return null; } public static LocatedBlock convertLocatedBlockProto(LocatedBlockProto proto) { if (proto == null) return null; List locs = proto.getLocsList(); DatanodeInfo[] targets = new DatanodeInfo[locs.size()]; for (int i = 0; i < locs.size(); i++) { targets[i] = convert(locs.get(i)); } final StorageType[] storageTypes = convertStorageTypes( proto.getStorageTypesList(), locs.size()); final int storageIDsCount = proto.getStorageIDsCount(); final String[] storageIDs; if (storageIDsCount == 0) { storageIDs = null; } else { Preconditions.checkState(storageIDsCount == locs.size()); storageIDs = proto.getStorageIDsList() .toArray(new String[storageIDsCount]); } byte[] indices = null; if (proto.hasBlockIndices()) { indices = proto.getBlockIndices().toByteArray(); } // Set values from the isCached list, re-using references from loc List cachedLocs = new ArrayList<>(locs.size()); List isCachedList = proto.getIsCachedList(); for (int i=0; i tokenProtos = proto.getBlockTokensList(); Token[] blockTokens = convertTokens(tokenProtos); ((LocatedStripedBlock) lb).setBlockTokens(blockTokens); } lb.setBlockToken(convert(proto.getBlockToken())); return lb; } static public Token[] convertTokens( List tokenProtos) { @SuppressWarnings("unchecked") Token[] blockTokens = new Token[tokenProtos.size()]; for (int i = 0; i < blockTokens.length; i++) { blockTokens[i] = convert(tokenProtos.get(i)); } return blockTokens; } public static AccessModeProto convert(BlockTokenIdentifier.AccessMode aMode) { switch (aMode) { case READ: return AccessModeProto.READ; case WRITE: return AccessModeProto.WRITE; case COPY: return AccessModeProto.COPY; case REPLACE: return AccessModeProto.REPLACE; default: throw new IllegalArgumentException("Unexpected AccessMode: " + aMode); } } public static BlockTokenIdentifier.AccessMode convert( AccessModeProto accessModeProto) { switch (accessModeProto) { case READ: return BlockTokenIdentifier.AccessMode.READ; case WRITE: return BlockTokenIdentifier.AccessMode.WRITE; case COPY: return BlockTokenIdentifier.AccessMode.COPY; case REPLACE: return BlockTokenIdentifier.AccessMode.REPLACE; default: throw new IllegalArgumentException("Unexpected AccessModeProto: " + accessModeProto); } } public static BlockTokenSecretProto convert( BlockTokenIdentifier blockTokenSecret) { BlockTokenSecretProto.Builder builder = BlockTokenSecretProto.newBuilder(); builder.setExpiryDate(blockTokenSecret.getExpiryDate()); builder.setKeyId(blockTokenSecret.getKeyId()); String userId = blockTokenSecret.getUserId(); if (userId != null) { builder.setUserId(userId); } String blockPoolId = blockTokenSecret.getBlockPoolId(); if (blockPoolId != null) { builder.setBlockPoolId(blockPoolId); } builder.setBlockId(blockTokenSecret.getBlockId()); for (BlockTokenIdentifier.AccessMode aMode : blockTokenSecret.getAccessModes()) { builder.addModes(convert(aMode)); } for (StorageType storageType : blockTokenSecret.getStorageTypes()) { builder.addStorageTypes(convertStorageType(storageType)); } for (String storageId : blockTokenSecret.getStorageIds()) { builder.addStorageIds(storageId); } return builder.build(); } static public DatanodeInfo convert(DatanodeInfoProto di) { if (di == null) { return null; } DatanodeInfoBuilder dinfo = new DatanodeInfoBuilder().setNodeID(convert(di.getId())) .setNetworkLocation(di.hasLocation() ? di.getLocation() : null) .setCapacity(di.getCapacity()).setDfsUsed(di.getDfsUsed()) .setRemaining(di.getRemaining()) .setBlockPoolUsed(di.getBlockPoolUsed()) .setCacheCapacity(di.getCacheCapacity()) .setCacheUsed(di.getCacheUsed()).setLastUpdate(di.getLastUpdate()) .setLastUpdateMonotonic(di.getLastUpdateMonotonic()) .setXceiverCount(di.getXceiverCount()) .setAdminState(convert(di.getAdminState())).setUpgradeDomain( di.hasUpgradeDomain() ? di.getUpgradeDomain() : null) .setLastBlockReportTime(di.hasLastBlockReportTime() ? di.getLastBlockReportTime() : 0) .setLastBlockReportMonotonic(di.hasLastBlockReportMonotonic() ? di.getLastBlockReportMonotonic() : 0) .setNumBlocks(di.getNumBlocks()); if (di.hasNonDfsUsed()) { dinfo.setNonDfsUsed(di.getNonDfsUsed()); } else { // use the legacy way for older datanodes long nonDFSUsed = di.getCapacity() - di.getDfsUsed() - di.getRemaining(); dinfo.setNonDfsUsed(nonDFSUsed < 0 ? 0 : nonDFSUsed); } return dinfo.build(); } public static StorageType[] convertStorageTypes( List storageTypesList, int expectedSize) { final StorageType[] storageTypes = new StorageType[expectedSize]; if (storageTypesList.size() != expectedSize) { // missing storage types Preconditions.checkState(storageTypesList.isEmpty()); Arrays.fill(storageTypes, StorageType.DEFAULT); } else { for (int i = 0; i < storageTypes.length; ++i) { storageTypes[i] = convertStorageType(storageTypesList.get(i)); } } return storageTypes; } public static Token convert( TokenProto blockToken) { return new Token<>(blockToken.getIdentifier() .toByteArray(), blockToken.getPassword().toByteArray(), new Text( blockToken.getKind()), new Text(blockToken.getService())); } // DatanodeId public static DatanodeID convert(DatanodeIDProto dn) { return new DatanodeID(dn.getIpAddr(), dn.getHostName(), dn.getDatanodeUuid(), dn.getXferPort(), dn.getInfoPort(), dn.hasInfoSecurePort() ? dn.getInfoSecurePort() : 0, dn.getIpcPort()); } public static AdminStates convert(AdminState adminState) { switch(adminState) { case DECOMMISSION_INPROGRESS: return AdminStates.DECOMMISSION_INPROGRESS; case DECOMMISSIONED: return AdminStates.DECOMMISSIONED; case ENTERING_MAINTENANCE: return AdminStates.ENTERING_MAINTENANCE; case IN_MAINTENANCE: return AdminStates.IN_MAINTENANCE; case NORMAL: default: return AdminStates.NORMAL; } } // LocatedBlocks public static LocatedBlocks convert(LocatedBlocksProto lb) { return new LocatedBlocks( lb.getFileLength(), lb.getUnderConstruction(), convertLocatedBlocks(lb.getBlocksList()), lb.hasLastBlock() ? convertLocatedBlockProto(lb.getLastBlock()) : null, lb.getIsLastBlockComplete(), lb.hasFileEncryptionInfo() ? convert(lb.getFileEncryptionInfo()) : null, lb.hasEcPolicy() ? convertErasureCodingPolicy(lb.getEcPolicy()) : null); } public static BlockStoragePolicy[] convertStoragePolicies( List policyProtos) { if (policyProtos == null || policyProtos.size() == 0) { return new BlockStoragePolicy[0]; } BlockStoragePolicy[] policies = new BlockStoragePolicy[policyProtos.size()]; int i = 0; for (BlockStoragePolicyProto proto : policyProtos) { policies[i++] = convert(proto); } return policies; } public static EventBatchList convert(GetEditsFromTxidResponseProto resp) throws IOException { final InotifyProtos.EventsListProto list = resp.getEventsList(); final long firstTxid = list.getFirstTxid(); final long lastTxid = list.getLastTxid(); List batches = Lists.newArrayList(); if (list.getEventsList().size() > 0) { throw new IOException("Can't handle old inotify server response."); } for (InotifyProtos.EventBatchProto bp : list.getBatchList()) { long txid = bp.getTxid(); if ((txid != -1) && ((txid < firstTxid) || (txid > lastTxid))) { throw new IOException("Error converting TxidResponseProto: got a " + "transaction id " + txid + " that was outside the range of [" + firstTxid + ", " + lastTxid + "]."); } List events = Lists.newArrayList(); for (InotifyProtos.EventProto p : bp.getEventsList()) { switch (p.getType()) { case EVENT_CLOSE: InotifyProtos.CloseEventProto close = InotifyProtos.CloseEventProto.parseFrom(p.getContents()); events.add(new Event.CloseEvent(close.getPath(), close.getFileSize(), close.getTimestamp())); break; case EVENT_CREATE: InotifyProtos.CreateEventProto create = InotifyProtos.CreateEventProto.parseFrom(p.getContents()); Event.CreateEvent.Builder builder = new Event.CreateEvent.Builder() .iNodeType(createTypeConvert(create.getType())) .path(create.getPath()) .ctime(create.getCtime()) .ownerName(create.getOwnerName()) .groupName(create.getGroupName()) .perms(convert(create.getPerms())) .replication(create.getReplication()) .symlinkTarget(create.getSymlinkTarget().isEmpty() ? null : create.getSymlinkTarget()) .defaultBlockSize(create.getDefaultBlockSize()) .overwrite(create.getOverwrite()); if (create.hasErasureCoded()) { builder.erasureCoded(create.getErasureCoded()); } events.add(builder.build()); break; case EVENT_METADATA: InotifyProtos.MetadataUpdateEventProto meta = InotifyProtos.MetadataUpdateEventProto.parseFrom(p.getContents()); events.add(new Event.MetadataUpdateEvent.Builder() .path(meta.getPath()) .metadataType(metadataUpdateTypeConvert(meta.getType())) .mtime(meta.getMtime()) .atime(meta.getAtime()) .replication(meta.getReplication()) .ownerName( meta.getOwnerName().isEmpty() ? null : meta.getOwnerName()) .groupName( meta.getGroupName().isEmpty() ? null : meta.getGroupName()) .perms(meta.hasPerms() ? convert(meta.getPerms()) : null) .acls(meta.getAclsList().isEmpty() ? null : convertAclEntry( meta.getAclsList())) .xAttrs(meta.getXAttrsList().isEmpty() ? null : convertXAttrs( meta.getXAttrsList())) .xAttrsRemoved(meta.getXAttrsRemoved()) .build()); break; case EVENT_RENAME: InotifyProtos.RenameEventProto rename = InotifyProtos.RenameEventProto.parseFrom(p.getContents()); events.add(new Event.RenameEvent.Builder() .srcPath(rename.getSrcPath()) .dstPath(rename.getDestPath()) .timestamp(rename.getTimestamp()) .build()); break; case EVENT_APPEND: InotifyProtos.AppendEventProto append = InotifyProtos.AppendEventProto.parseFrom(p.getContents()); events.add(new Event.AppendEvent.Builder().path(append.getPath()) .newBlock(append.hasNewBlock() && append.getNewBlock()) .build()); break; case EVENT_UNLINK: InotifyProtos.UnlinkEventProto unlink = InotifyProtos.UnlinkEventProto.parseFrom(p.getContents()); events.add(new Event.UnlinkEvent.Builder() .path(unlink.getPath()) .timestamp(unlink.getTimestamp()) .build()); break; case EVENT_TRUNCATE: InotifyProtos.TruncateEventProto truncate = InotifyProtos.TruncateEventProto.parseFrom(p.getContents()); events.add(new Event.TruncateEvent(truncate.getPath(), truncate.getFileSize(), truncate.getTimestamp())); break; default: throw new RuntimeException("Unexpected inotify event type: " + p.getType()); } } batches.add(new EventBatch(txid, events.toArray(new Event[0]))); } return new EventBatchList(batches, resp.getEventsList().getFirstTxid(), resp.getEventsList().getLastTxid(), resp.getEventsList().getSyncTxid()); } // Located Block Arrays and Lists public static LocatedBlockProto[] convertLocatedBlocks(LocatedBlock[] lb) { if (lb == null) return null; return convertLocatedBlocks2(Arrays.asList(lb)) .toArray(new LocatedBlockProto[lb.length]); } public static LocatedBlock[] convertLocatedBlocks(LocatedBlockProto[] lb) { if (lb == null) return null; return convertLocatedBlocks(Arrays.asList(lb)) .toArray(new LocatedBlock[lb.length]); } public static List convertLocatedBlocks( List lb) { if (lb == null) return null; final int len = lb.size(); List result = new ArrayList<>(len); for (LocatedBlockProto aLb : lb) { result.add(convertLocatedBlockProto(aLb)); } return result; } public static List convertLocatedBlocks2( List lb) { if (lb == null) return null; final int len = lb.size(); List result = new ArrayList<>(len); for (LocatedBlock aLb : lb) { result.add(convertLocatedBlock(aLb)); } return result; } public static LocatedBlockProto convertLocatedBlock(LocatedBlock b) { if (b == null) return null; Builder builder = LocatedBlockProto.newBuilder(); DatanodeInfo[] locs = b.getLocations(); List cachedLocs = Lists.newLinkedList(Arrays.asList(b.getCachedLocations())); for (int i = 0; i < locs.length; i++) { DatanodeInfo loc = locs[i]; builder.addLocs(i, PBHelperClient.convert(loc)); boolean locIsCached = cachedLocs.contains(loc); builder.addIsCached(locIsCached); if (locIsCached) { cachedLocs.remove(loc); } } Preconditions.checkArgument(cachedLocs.size() == 0, "Found additional cached replica locations that are not in the set of" + " storage-backed locations!"); StorageType[] storageTypes = b.getStorageTypes(); if (storageTypes != null) { for (StorageType storageType : storageTypes) { builder.addStorageTypes(convertStorageType(storageType)); } } final String[] storageIDs = b.getStorageIDs(); if (storageIDs != null) { builder.addAllStorageIDs(Arrays.asList(storageIDs)); } if (b instanceof LocatedStripedBlock) { LocatedStripedBlock sb = (LocatedStripedBlock) b; byte[] indices = sb.getBlockIndices(); builder.setBlockIndices(PBHelperClient.getByteString(indices)); Token[] blockTokens = sb.getBlockTokens(); builder.addAllBlockTokens(convert(blockTokens)); } return builder.setB(PBHelperClient.convert(b.getBlock())) .setBlockToken(PBHelperClient.convert(b.getBlockToken())) .setCorrupt(b.isCorrupt()).setOffset(b.getStartOffset()).build(); } public static List convert( Token[] blockTokens) { List results = new ArrayList<>(blockTokens.length); for (Token bt : blockTokens) { results.add(convert(bt)); } return results; } public static List convertBlockIndices(byte[] blockIndices) { List results = new ArrayList<>(blockIndices.length); for (byte bt : blockIndices) { results.add(Integer.valueOf(bt)); } return results; } public static byte[] convertBlockIndices(List blockIndices) { byte[] blkIndices = new byte[blockIndices.size()]; for (int i = 0; i < blockIndices.size(); i++) { blkIndices[i] = (byte) blockIndices.get(i).intValue(); } return blkIndices; } public static BlockStoragePolicy convert(BlockStoragePolicyProto proto) { List cList = proto.getCreationPolicy() .getStorageTypesList(); StorageType[] creationTypes = convertStorageTypes(cList, cList.size()); List cfList = proto.hasCreationFallbackPolicy() ? proto .getCreationFallbackPolicy().getStorageTypesList() : null; StorageType[] creationFallbackTypes = cfList == null ? StorageType .EMPTY_ARRAY : convertStorageTypes(cfList, cfList.size()); List rfList = proto.hasReplicationFallbackPolicy() ? proto.getReplicationFallbackPolicy().getStorageTypesList() : null; StorageType[] replicationFallbackTypes = rfList == null ? StorageType .EMPTY_ARRAY : convertStorageTypes(rfList, rfList.size()); return new BlockStoragePolicy((byte) proto.getPolicyId(), proto.getName(), creationTypes, creationFallbackTypes, replicationFallbackTypes); } public static FsActionProto convert(FsAction v) { return FsActionProto.valueOf(v != null ? v.ordinal() : 0); } public static XAttrProto convertXAttrProto(XAttr a) { XAttrProto.Builder builder = XAttrProto.newBuilder(); builder.setNamespace(convert(a.getNameSpace())); if (a.getName() != null) { builder.setName(a.getName()); } if (a.getValue() != null) { builder.setValue(getByteString(a.getValue())); } return builder.build(); } public static List convert(ListXAttrsResponseProto a) { final List xAttrs = a.getXAttrsList(); return convertXAttrs(xAttrs); } public static List convert(GetXAttrsResponseProto a) { List xAttrs = a.getXAttrsList(); return convertXAttrs(xAttrs); } public static List convertXAttrs(List xAttrSpec) { ArrayList xAttrs = Lists.newArrayListWithCapacity(xAttrSpec.size()); for (XAttrProto a : xAttrSpec) { XAttr.Builder builder = new XAttr.Builder(); builder.setNameSpace(convert(a.getNamespace())); if (a.hasName()) { builder.setName(a.getName()); } if (a.hasValue()) { builder.setValue(a.getValue().toByteArray()); } xAttrs.add(builder.build()); } return xAttrs; } static XAttrNamespaceProto convert(XAttr.NameSpace v) { return XAttrNamespaceProto.valueOf(v.ordinal()); } static XAttr.NameSpace convert(XAttrNamespaceProto v) { return castEnum(v, XATTR_NAMESPACE_VALUES); } static , U extends Enum> U castEnum(T from, U[] to) { return to[from.ordinal()]; } static InotifyProtos.MetadataUpdateType metadataUpdateTypeConvert( Event.MetadataUpdateEvent.MetadataType type) { switch (type) { case TIMES: return InotifyProtos.MetadataUpdateType.META_TYPE_TIMES; case REPLICATION: return InotifyProtos.MetadataUpdateType.META_TYPE_REPLICATION; case OWNER: return InotifyProtos.MetadataUpdateType.META_TYPE_OWNER; case PERMS: return InotifyProtos.MetadataUpdateType.META_TYPE_PERMS; case ACLS: return InotifyProtos.MetadataUpdateType.META_TYPE_ACLS; case XATTRS: return InotifyProtos.MetadataUpdateType.META_TYPE_XATTRS; default: return null; } } private static Event.MetadataUpdateEvent.MetadataType metadataUpdateTypeConvert( InotifyProtos.MetadataUpdateType type) { switch (type) { case META_TYPE_TIMES: return Event.MetadataUpdateEvent.MetadataType.TIMES; case META_TYPE_REPLICATION: return Event.MetadataUpdateEvent.MetadataType.REPLICATION; case META_TYPE_OWNER: return Event.MetadataUpdateEvent.MetadataType.OWNER; case META_TYPE_PERMS: return Event.MetadataUpdateEvent.MetadataType.PERMS; case META_TYPE_ACLS: return Event.MetadataUpdateEvent.MetadataType.ACLS; case META_TYPE_XATTRS: return Event.MetadataUpdateEvent.MetadataType.XATTRS; default: return null; } } static InotifyProtos.INodeType createTypeConvert(Event.CreateEvent.INodeType type) { switch (type) { case DIRECTORY: return InotifyProtos.INodeType.I_TYPE_DIRECTORY; case FILE: return InotifyProtos.INodeType.I_TYPE_FILE; case SYMLINK: return InotifyProtos.INodeType.I_TYPE_SYMLINK; default: return null; } } public static List convertLocatedBlock( List lb) { if (lb == null) return null; final int len = lb.size(); List result = new ArrayList<>(len); for (LocatedBlockProto aLb : lb) { result.add(convertLocatedBlockProto(aLb)); } return result; } public static List convertAclEntry(List aclSpec) { ArrayList r = Lists.newArrayListWithCapacity(aclSpec.size()); for (AclEntryProto e : aclSpec) { AclEntry.Builder builder = new AclEntry.Builder(); builder.setType(convert(e.getType())); builder.setScope(convert(e.getScope())); builder.setPermission(convert(e.getPermissions())); if (e.hasName()) { builder.setName(e.getName()); } r.add(builder.build()); } return r; } static AclEntryScopeProto convert(AclEntryScope v) { return AclEntryScopeProto.valueOf(v.ordinal()); } private static AclEntryScope convert(AclEntryScopeProto v) { return castEnum(v, ACL_ENTRY_SCOPE_VALUES); } static AclEntryTypeProto convert(AclEntryType e) { return AclEntryTypeProto.valueOf(e.ordinal()); } private static AclEntryType convert(AclEntryTypeProto v) { return castEnum(v, ACL_ENTRY_TYPE_VALUES); } public static FsAction convert(FsActionProto v) { return castEnum(v, FSACTION_VALUES); } public static FsPermission convert(FsPermissionProto p) { return new FsPermission((short)p.getPerm()); } private static Event.CreateEvent.INodeType createTypeConvert( InotifyProtos.INodeType type) { switch (type) { case I_TYPE_DIRECTORY: return Event.CreateEvent.INodeType.DIRECTORY; case I_TYPE_FILE: return Event.CreateEvent.INodeType.FILE; case I_TYPE_SYMLINK: return Event.CreateEvent.INodeType.SYMLINK; default: return null; } } public static HdfsProtos.FileEncryptionInfoProto convert( FileEncryptionInfo info) { if (info == null) { return null; } return HdfsProtos.FileEncryptionInfoProto.newBuilder() .setSuite(convert(info.getCipherSuite())) .setCryptoProtocolVersion(convert(info.getCryptoProtocolVersion())) .setKey(getByteString(info.getEncryptedDataEncryptionKey())) .setIv(getByteString(info.getIV())) .setEzKeyVersionName(info.getEzKeyVersionName()) .setKeyName(info.getKeyName()) .build(); } public static CryptoProtocolVersionProto convert(CryptoProtocolVersion version) { switch(version) { case UNKNOWN: return CryptoProtocolVersionProto.UNKNOWN_PROTOCOL_VERSION; case ENCRYPTION_ZONES: return CryptoProtocolVersionProto.ENCRYPTION_ZONES; default: return null; } } public static FileEncryptionInfo convert( HdfsProtos.FileEncryptionInfoProto proto) { if (proto == null) { return null; } CipherSuite suite = convert(proto.getSuite()); CryptoProtocolVersion version = convert(proto.getCryptoProtocolVersion()); byte[] key = proto.getKey().toByteArray(); byte[] iv = proto.getIv().toByteArray(); String ezKeyVersionName = proto.getEzKeyVersionName(); String keyName = proto.getKeyName(); return new FileEncryptionInfo(suite, version, key, iv, keyName, ezKeyVersionName); } public static CryptoProtocolVersion convert(CryptoProtocolVersionProto proto) { switch(proto) { case ENCRYPTION_ZONES: return CryptoProtocolVersion.ENCRYPTION_ZONES; default: // Set to UNKNOWN and stash the unknown enum value CryptoProtocolVersion version = CryptoProtocolVersion.UNKNOWN; version.setUnknownValue(proto.getNumber()); return version; } } public static List convertXAttrProto( List xAttrSpec) { if (xAttrSpec == null) { return Lists.newArrayListWithCapacity(0); } ArrayList xAttrs = Lists.newArrayListWithCapacity( xAttrSpec.size()); for (XAttr a : xAttrSpec) { XAttrProto.Builder builder = XAttrProto.newBuilder(); builder.setNamespace(convert(a.getNameSpace())); if (a.getName() != null) { builder.setName(a.getName()); } if (a.getValue() != null) { builder.setValue(getByteString(a.getValue())); } xAttrs.add(builder.build()); } return xAttrs; } /** * The flag field in PB is a bitmask whose values are the same a the * emum values of XAttrSetFlag */ public static int convert(EnumSet flag) { int value = 0; if (flag.contains(XAttrSetFlag.CREATE)) { value |= XAttrSetFlagProto.XATTR_CREATE.getNumber(); } if (flag.contains(XAttrSetFlag.REPLACE)) { value |= XAttrSetFlagProto.XATTR_REPLACE.getNumber(); } return value; } public static EncryptionZone convert(EncryptionZoneProto proto) { return new EncryptionZone(proto.getId(), proto.getPath(), convert(proto.getSuite()), convert(proto.getCryptoProtocolVersion()), proto.getKeyName()); } public static OpenFilesBatchResponseProto convert(OpenFileEntry openFileEntry) { return OpenFilesBatchResponseProto.newBuilder() .setId(openFileEntry.getId()) .setPath(openFileEntry.getFilePath()) .setClientName(openFileEntry.getClientName()) .setClientMachine(openFileEntry.getClientMachine()) .build(); } public static OpenFileEntry convert(OpenFilesBatchResponseProto proto) { return new OpenFileEntry(proto.getId(), proto.getPath(), proto.getClientName(), proto.getClientMachine()); } public static AclStatus convert(GetAclStatusResponseProto e) { AclStatusProto r = e.getResult(); AclStatus.Builder builder = new AclStatus.Builder(); builder.owner(r.getOwner()).group(r.getGroup()).stickyBit(r.getSticky()) .addEntries(convertAclEntry(r.getEntriesList())); if (r.hasPermission()) { builder.setPermission(convert(r.getPermission())); } return builder.build(); } public static List convertAclEntryProto( List aclSpec) { ArrayList r = Lists.newArrayListWithCapacity(aclSpec.size()); for (AclEntry e : aclSpec) { AclEntryProto.Builder builder = AclEntryProto.newBuilder(); builder.setType(convert(e.getType())); builder.setScope(convert(e.getScope())); builder.setPermissions(convert(e.getPermission())); if (e.getName() != null) { builder.setName(e.getName()); } r.add(builder.build()); } return r; } public static CachePoolEntry convert(CachePoolEntryProto proto) { CachePoolInfo info = convert(proto.getInfo()); CachePoolStats stats = convert(proto.getStats()); return new CachePoolEntry(info, stats); } public static CachePoolInfo convert (CachePoolInfoProto proto) { // Pool name is a required field, the rest are optional String poolName = Preconditions.checkNotNull(proto.getPoolName()); CachePoolInfo info = new CachePoolInfo(poolName); if (proto.hasOwnerName()) { info.setOwnerName(proto.getOwnerName()); } if (proto.hasGroupName()) { info.setGroupName(proto.getGroupName()); } if (proto.hasMode()) { info.setMode(new FsPermission((short)proto.getMode())); } if (proto.hasLimit()) { info.setLimit(proto.getLimit()); } if (proto.hasDefaultReplication()) { info.setDefaultReplication(Shorts.checkedCast( proto.getDefaultReplication())); } if (proto.hasMaxRelativeExpiry()) { info.setMaxRelativeExpiryMs(proto.getMaxRelativeExpiry()); } return info; } public static CachePoolStats convert (CachePoolStatsProto proto) { CachePoolStats.Builder builder = new CachePoolStats.Builder(); builder.setBytesNeeded(proto.getBytesNeeded()); builder.setBytesCached(proto.getBytesCached()); builder.setBytesOverlimit(proto.getBytesOverlimit()); builder.setFilesNeeded(proto.getFilesNeeded()); builder.setFilesCached(proto.getFilesCached()); return builder.build(); } public static CachePoolInfoProto convert(CachePoolInfo info) { CachePoolInfoProto.Builder builder = CachePoolInfoProto.newBuilder(); builder.setPoolName(info.getPoolName()); if (info.getOwnerName() != null) { builder.setOwnerName(info.getOwnerName()); } if (info.getGroupName() != null) { builder.setGroupName(info.getGroupName()); } if (info.getMode() != null) { builder.setMode(info.getMode().toShort()); } if (info.getLimit() != null) { builder.setLimit(info.getLimit()); } if (info.getDefaultReplication() != null) { builder.setDefaultReplication(info.getDefaultReplication()); } if (info.getMaxRelativeExpiryMs() != null) { builder.setMaxRelativeExpiry(info.getMaxRelativeExpiryMs()); } return builder.build(); } public static CacheDirectiveInfoProto convert(CacheDirectiveInfo info) { CacheDirectiveInfoProto.Builder builder = CacheDirectiveInfoProto.newBuilder(); if (info.getId() != null) { builder.setId(info.getId()); } if (info.getPath() != null) { builder.setPath(info.getPath().toUri().getPath()); } if (info.getReplication() != null) { builder.setReplication(info.getReplication()); } if (info.getPool() != null) { builder.setPool(info.getPool()); } if (info.getExpiration() != null) { builder.setExpiration(convert(info.getExpiration())); } return builder.build(); } public static CacheDirectiveInfoExpirationProto convert( CacheDirectiveInfo.Expiration expiration) { return CacheDirectiveInfoExpirationProto.newBuilder() .setIsRelative(expiration.isRelative()) .setMillis(expiration.getMillis()) .build(); } public static CacheDirectiveEntry convert(CacheDirectiveEntryProto proto) { CacheDirectiveInfo info = convert(proto.getInfo()); CacheDirectiveStats stats = convert(proto.getStats()); return new CacheDirectiveEntry(info, stats); } public static CacheDirectiveStats convert(CacheDirectiveStatsProto proto) { CacheDirectiveStats.Builder builder = new CacheDirectiveStats.Builder(); builder.setBytesNeeded(proto.getBytesNeeded()); builder.setBytesCached(proto.getBytesCached()); builder.setFilesNeeded(proto.getFilesNeeded()); builder.setFilesCached(proto.getFilesCached()); builder.setHasExpired(proto.getHasExpired()); return builder.build(); } public static CacheDirectiveInfo convert(CacheDirectiveInfoProto proto) { CacheDirectiveInfo.Builder builder = new CacheDirectiveInfo.Builder(); if (proto.hasId()) { builder.setId(proto.getId()); } if (proto.hasPath()) { builder.setPath(new Path(proto.getPath())); } if (proto.hasReplication()) { builder.setReplication(Shorts.checkedCast( proto.getReplication())); } if (proto.hasPool()) { builder.setPool(proto.getPool()); } if (proto.hasExpiration()) { builder.setExpiration(convert(proto.getExpiration())); } return builder.build(); } public static CacheDirectiveInfo.Expiration convert( CacheDirectiveInfoExpirationProto proto) { if (proto.getIsRelative()) { return CacheDirectiveInfo.Expiration.newRelative(proto.getMillis()); } return CacheDirectiveInfo.Expiration.newAbsolute(proto.getMillis()); } public static int convertCacheFlags(EnumSet flags) { int value = 0; if (flags.contains(CacheFlag.FORCE)) { value |= CacheFlagProto.FORCE.getNumber(); } return value; } public static SnapshotDiffReport convert( SnapshotDiffReportProto reportProto) { if (reportProto == null) { return null; } String snapshotDir = reportProto.getSnapshotRoot(); String fromSnapshot = reportProto.getFromSnapshot(); String toSnapshot = reportProto.getToSnapshot(); List list = reportProto .getDiffReportEntriesList(); List entries = new ChunkedArrayList<>(); for (SnapshotDiffReportEntryProto entryProto : list) { DiffReportEntry entry = convert(entryProto); if (entry != null) entries.add(entry); } return new SnapshotDiffReport(snapshotDir, fromSnapshot, toSnapshot, entries); } 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(), entry.hasTargetPath() ? entry.getTargetPath() .toByteArray() : null); } public static SnapshotDiffReportListing convert( SnapshotDiffReportListingProto reportProto) { if (reportProto == null) { return null; } List modifyList = reportProto.getModifiedEntriesList(); List modifiedEntries = new ChunkedArrayList<>(); for (SnapshotDiffReportListingEntryProto entryProto : modifyList) { DiffReportListingEntry entry = convert(entryProto); if (entry != null) { modifiedEntries.add(entry); } } List createList = reportProto.getCreatedEntriesList(); List createdEntries = new ChunkedArrayList<>(); for (SnapshotDiffReportListingEntryProto entryProto : createList) { DiffReportListingEntry entry = convert(entryProto); if (entry != null) { createdEntries.add(entry); } } List deletedList = reportProto.getDeletedEntriesList(); List deletedEntries = new ChunkedArrayList<>(); for (SnapshotDiffReportListingEntryProto entryProto : deletedList) { DiffReportListingEntry entry = convert(entryProto); if (entry != null) { deletedEntries.add(entry); } } byte[] startPath = reportProto.getCursor().getStartPath().toByteArray(); boolean isFromEarlier = reportProto.getIsFromEarlier(); int index = reportProto.getCursor().getIndex(); return new SnapshotDiffReportListing(startPath, modifiedEntries, createdEntries, deletedEntries, index, isFromEarlier); } public static DiffReportListingEntry convert( SnapshotDiffReportListingEntryProto entry) { if (entry == null) { return null; } long dirId = entry.getDirId(); long fileId = entry.getFileId(); boolean isReference = entry.getIsReference(); byte[] sourceName = entry.getFullpath().toByteArray(); byte[] targetName = entry.hasTargetPath() ? entry.getTargetPath().toByteArray() : null; return new DiffReportListingEntry(dirId, fileId, sourceName, isReference, targetName); } public static SnapshottableDirectoryStatus[] convert( SnapshottableDirectoryListingProto sdlp) { if (sdlp == null) return null; List 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] = convert(list.get(i)); } return result; } } public static SnapshottableDirectoryStatus convert( SnapshottableDirectoryStatusProto sdirStatusProto) { if (sdirStatusProto == null) { return null; } final HdfsFileStatusProto status = sdirStatusProto.getDirStatus(); EnumSet flags = status.hasFlags() ? convertFlags(status.getFlags()) : convertFlags(status.getPermission()); return new SnapshottableDirectoryStatus( status.getModificationTime(), status.getAccessTime(), convert(status.getPermission()), flags, status.getOwner(), status.getGroup(), status.getPath().toByteArray(), status.getFileId(), status.getChildrenNum(), sdirStatusProto.getSnapshotNumber(), sdirStatusProto.getSnapshotQuota(), sdirStatusProto.getParentFullpath().toByteArray()); } // 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 Token convertDelegationToken( TokenProto blockToken) { return new Token<>(blockToken.getIdentifier() .toByteArray(), blockToken.getPassword().toByteArray(), new Text( blockToken.getKind()), new Text(blockToken.getService())); } // 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 FsPermissionProto convert(FsPermission p) { return FsPermissionProto.newBuilder().setPerm(p.toShort()).build(); } public static HdfsFileStatus convert(HdfsFileStatusProto fs) { if (fs == null) { return null; } EnumSet flags = fs.hasFlags() ? convertFlags(fs.getFlags()) : convertFlags(fs.getPermission()); return new HdfsFileStatus.Builder() .length(fs.getLength()) .isdir(fs.getFileType().equals(FileType.IS_DIR)) .replication(fs.getBlockReplication()) .blocksize(fs.getBlocksize()) .mtime(fs.getModificationTime()) .atime(fs.getAccessTime()) .perm(convert(fs.getPermission())) .flags(flags) .owner(fs.getOwner()) .group(fs.getGroup()) .symlink(FileType.IS_SYMLINK.equals(fs.getFileType()) ? fs.getSymlink().toByteArray() : null) .path(fs.getPath().toByteArray()) .fileId(fs.hasFileId() ? fs.getFileId() : HdfsConstants.GRANDFATHER_INODE_ID) .locations(fs.hasLocations() ? convert(fs.getLocations()) : null) .children(fs.hasChildrenNum() ? fs.getChildrenNum() : -1) .feInfo(fs.hasFileEncryptionInfo() ? convert(fs.getFileEncryptionInfo()) : null) .storagePolicy(fs.hasStoragePolicy() ? (byte) fs.getStoragePolicy() : HdfsConstants.BLOCK_STORAGE_POLICY_ID_UNSPECIFIED) .ecPolicy(fs.hasEcPolicy() ? convertErasureCodingPolicy(fs.getEcPolicy()) : null) .build(); } private static EnumSet convertFlags(int flags) { EnumSet f = EnumSet.noneOf(HdfsFileStatus.Flags.class); for (HdfsFileStatusProto.Flags pbf : HdfsFileStatusProto.Flags.values()) { if ((pbf.getNumber() & flags) != 0) { switch (pbf) { case HAS_ACL: f.add(HdfsFileStatus.Flags.HAS_ACL); break; case HAS_CRYPT: f.add(HdfsFileStatus.Flags.HAS_CRYPT); break; case HAS_EC: f.add(HdfsFileStatus.Flags.HAS_EC); break; case SNAPSHOT_ENABLED: f.add(HdfsFileStatus.Flags.SNAPSHOT_ENABLED); break; default: // ignore unknown break; } } } return f; } private static EnumSet convertFlags( FsPermissionProto pbp) { EnumSet f = EnumSet.noneOf(HdfsFileStatus.Flags.class); FsPermission p = new FsPermissionExtension((short)pbp.getPerm()); if (p.getAclBit()) { f.add(HdfsFileStatus.Flags.HAS_ACL); } if (p.getEncryptedBit()) { f.add(HdfsFileStatus.Flags.HAS_CRYPT); } if (p.getErasureCodedBit()) { f.add(HdfsFileStatus.Flags.HAS_EC); } return f; } public static CorruptFileBlocks convert(CorruptFileBlocksProto c) { if (c == null) return null; List fileList = c.getFilesList(); return new CorruptFileBlocks(fileList.toArray(new String[fileList.size()]), c.getCookie()); } public static ContentSummary convert(ContentSummaryProto cs) { if (cs == null) return null; ContentSummary.Builder builder = new ContentSummary.Builder(); builder.length(cs.getLength()). fileCount(cs.getFileCount()). directoryCount(cs.getDirectoryCount()). snapshotLength(cs.getSnapshotLength()). snapshotFileCount(cs.getSnapshotFileCount()). snapshotDirectoryCount(cs.getSnapshotDirectoryCount()). snapshotSpaceConsumed(cs.getSnapshotSpaceConsumed()). quota(cs.getQuota()). spaceConsumed(cs.getSpaceConsumed()). spaceQuota(cs.getSpaceQuota()). erasureCodingPolicy(cs.getErasureCodingPolicy()); if (cs.hasTypeQuotaInfos()) { addStorageTypes(cs.getTypeQuotaInfos(), builder); } return builder.build(); } public static QuotaUsage convert(QuotaUsageProto qu) { if (qu == null) { return null; } QuotaUsage.Builder builder = new QuotaUsage.Builder(); builder.fileAndDirectoryCount(qu.getFileAndDirectoryCount()). quota(qu.getQuota()). spaceConsumed(qu.getSpaceConsumed()). spaceQuota(qu.getSpaceQuota()); if (qu.hasTypeQuotaInfos()) { addStorageTypes(qu.getTypeQuotaInfos(), builder); } return builder.build(); } public static QuotaUsageProto convert(QuotaUsage qu) { if (qu == null) { return null; } QuotaUsageProto.Builder builder = QuotaUsageProto.newBuilder(); builder.setFileAndDirectoryCount(qu.getFileAndDirectoryCount()). setQuota(qu.getQuota()). setSpaceConsumed(qu.getSpaceConsumed()). setSpaceQuota(qu.getSpaceQuota()); if (qu.isTypeQuotaSet() || qu.isTypeConsumedAvailable()) { builder.setTypeQuotaInfos(getBuilder(qu)); } return builder.build(); } public static ReencryptActionProto convert(ReencryptAction a) { switch (a) { case CANCEL: return ReencryptActionProto.CANCEL_REENCRYPT; case START: return ReencryptActionProto.START_REENCRYPT; default: throw new IllegalArgumentException("Unexpected value: " + a); } } public static RollingUpgradeActionProto convert(RollingUpgradeAction a) { switch (a) { case QUERY: return RollingUpgradeActionProto.QUERY; case PREPARE: return RollingUpgradeActionProto.START; case FINALIZE: return RollingUpgradeActionProto.FINALIZE; default: throw new IllegalArgumentException("Unexpected value: " + a); } } public static RollingUpgradeInfo convert(RollingUpgradeInfoProto proto) { RollingUpgradeStatusProto status = proto.getStatus(); return new RollingUpgradeInfo(status.getBlockPoolId(), proto.getCreatedRollbackImages(), proto.getStartTime(), proto.getFinalizeTime()); } public static DatanodeStorageReport[] convertDatanodeStorageReports( List protos) { final DatanodeStorageReport[] reports = new DatanodeStorageReport[protos.size()]; for(int i = 0; i < reports.length; i++) { reports[i] = convertDatanodeStorageReport(protos.get(i)); } return reports; } public static DatanodeStorageReport convertDatanodeStorageReport( DatanodeStorageReportProto proto) { return new DatanodeStorageReport( convert(proto.getDatanodeInfo()), convertStorageReports(proto.getStorageReportsList())); } public static StorageReport[] convertStorageReports( List list) { final StorageReport[] report = new StorageReport[list.size()]; for (int i = 0; i < report.length; i++) { report[i] = convert(list.get(i)); } return report; } public static StorageReport convert(StorageReportProto p) { long nonDfsUsed = p.hasNonDfsUsed() ? p.getNonDfsUsed() : p.getCapacity() - p.getDfsUsed() - p.getRemaining(); return new StorageReport(p.hasStorage() ? convert(p.getStorage()) : new DatanodeStorage(p.getStorageUuid()), p.getFailed(), p.getCapacity(), p.getDfsUsed(), p.getRemaining(), p.getBlockPoolUsed(), nonDfsUsed); } public static DatanodeStorage convert(DatanodeStorageProto s) { return new DatanodeStorage(s.getStorageUuid(), convertState(s.getState()), convertStorageType(s.getStorageType())); } private static State convertState(StorageState state) { switch(state) { case READ_ONLY_SHARED: return State.READ_ONLY_SHARED; case NORMAL: default: return State.NORMAL; } } 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; case SAFEMODE_FORCE_EXIT: return SafeModeActionProto.SAFEMODE_FORCE_EXIT; default: throw new IllegalArgumentException("Unexpected SafeModeAction :" + a); } } public static DatanodeInfo[] convert(List 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 long[] convert(GetFsStatsResponseProto res) { long[] result = new long[ClientProtocol.STATS_ARRAY_LENGTH]; 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(); result[ClientProtocol.GET_STATS_MISSING_REPL_ONE_BLOCKS_IDX] = res.getMissingReplOneBlocks(); result[ClientProtocol.GET_STATS_BYTES_IN_FUTURE_BLOCKS_IDX] = res.hasBlocksInFuture() ? res.getBlocksInFuture() : 0; result[ClientProtocol.GET_STATS_PENDING_DELETION_BLOCKS_IDX] = res.getPendingDeletionBlocks(); return result; } public static ReplicatedBlockStats convert( GetFsReplicatedBlockStatsResponseProto res) { if (res.hasHighestPrioLowRedundancyBlocks()) { return new ReplicatedBlockStats(res.getLowRedundancy(), res.getCorruptBlocks(), res.getMissingBlocks(), res.getMissingReplOneBlocks(), res.getBlocksInFuture(), res.getPendingDeletionBlocks(), res.getHighestPrioLowRedundancyBlocks()); } return new ReplicatedBlockStats(res.getLowRedundancy(), res.getCorruptBlocks(), res.getMissingBlocks(), res.getMissingReplOneBlocks(), res.getBlocksInFuture(), res.getPendingDeletionBlocks()); } public static ECBlockGroupStats convert( GetFsECBlockGroupStatsResponseProto res) { if (res.hasHighestPrioLowRedundancyBlocks()) { return new ECBlockGroupStats(res.getLowRedundancy(), res.getCorruptBlocks(), res.getMissingBlocks(), res.getBlocksInFuture(), res.getPendingDeletionBlocks(), res.getHighestPrioLowRedundancyBlocks()); } return new ECBlockGroupStats(res.getLowRedundancy(), res.getCorruptBlocks(), res.getMissingBlocks(), res.getBlocksInFuture(), res.getPendingDeletionBlocks()); } public static DatanodeReportTypeProto convert(DatanodeReportType t) { switch (t) { case ALL: return DatanodeReportTypeProto.ALL; case LIVE: return DatanodeReportTypeProto.LIVE; case DEAD: return DatanodeReportTypeProto.DEAD; case DECOMMISSIONING: return DatanodeReportTypeProto.DECOMMISSIONING; case ENTERING_MAINTENANCE: return DatanodeReportTypeProto.ENTERING_MAINTENANCE; case IN_MAINTENANCE: return DatanodeReportTypeProto.IN_MAINTENANCE; default: throw new IllegalArgumentException("Unexpected data type report:" + t); } } public static DirectoryListing convert(DirectoryListingProto dl) { if (dl == null) return null; List partList = dl.getPartialListingList(); return new DirectoryListing(partList.isEmpty() ? new HdfsFileStatus[0] : convert(partList.toArray(new HdfsFileStatusProto[partList.size()])), dl.getRemainingEntries()); } 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] = convert(fs[i]); } return result; } // The creatFlag field in PB is a bitmask whose values are the same a the // emum values of CreateFlag public static int convertCreateFlag(EnumSetWritable 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(); } if (flag.contains(CreateFlag.LAZY_PERSIST)) { value |= CreateFlagProto.LAZY_PERSIST.getNumber(); } if (flag.contains(CreateFlag.NEW_BLOCK)) { value |= CreateFlagProto.NEW_BLOCK.getNumber(); } if (flag.contains(CreateFlag.SHOULD_REPLICATE)) { value |= CreateFlagProto.SHOULD_REPLICATE.getNumber(); } return value; } 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(), convert(fs.getChecksumType()), fs.hasKeyProviderUri() ? fs.getKeyProviderUri() : null, (byte) fs.getPolicyId()); } public static List convert( CryptoProtocolVersion[] versions) { List protos = Lists.newArrayListWithCapacity(versions.length); for (CryptoProtocolVersion v: versions) { protos.add(convert(v)); } return protos; } static List convert(StorageType[][] types) { List list = Lists.newArrayList(); if (types != null) { for (StorageType[] ts : types) { StorageTypesProto.Builder builder = StorageTypesProto.newBuilder(); builder.addAllStorageTypes(convertStorageTypes(ts)); list.add(builder.build()); } } return list; } public static BlockStoragePolicyProto convert(BlockStoragePolicy policy) { BlockStoragePolicyProto.Builder builder = BlockStoragePolicyProto .newBuilder().setPolicyId(policy.getId()).setName(policy.getName()); // creation storage types StorageTypesProto creationProto = convert(policy.getStorageTypes()); Preconditions.checkArgument(creationProto != null); builder.setCreationPolicy(creationProto); // creation fallback StorageTypesProto creationFallbackProto = convert( policy.getCreationFallbacks()); if (creationFallbackProto != null) { builder.setCreationFallbackPolicy(creationFallbackProto); } // replication fallback StorageTypesProto replicationFallbackProto = convert( policy.getReplicationFallbacks()); if (replicationFallbackProto != null) { builder.setReplicationFallbackPolicy(replicationFallbackProto); } return builder.build(); } public static StorageTypesProto convert(StorageType[] types) { if (types == null || types.length == 0) { return null; } List list = convertStorageTypes(types); return StorageTypesProto.newBuilder().addAllStorageTypes(list).build(); } 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 BlockTypeProto convert(BlockType blockType) { switch (blockType) { case CONTIGUOUS: return BlockTypeProto.CONTIGUOUS; case STRIPED: return BlockTypeProto.STRIPED; default: throw new IllegalArgumentException("Unexpected block type: " + blockType); } } public static BlockType convert(BlockTypeProto blockType) { switch (blockType.getNumber()) { case BlockTypeProto.CONTIGUOUS_VALUE: return BlockType.CONTIGUOUS; case BlockTypeProto.STRIPED_VALUE: return BlockType.STRIPED; default: throw new IllegalArgumentException("Unexpected block type: " + blockType); } } 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 DatanodeStorageReportProto convertDatanodeStorageReport( DatanodeStorageReport report) { return DatanodeStorageReportProto.newBuilder() .setDatanodeInfo(convert(report.getDatanodeInfo())) .addAllStorageReports(convertStorageReports(report.getStorageReports())) .build(); } public static List convertDatanodeStorageReports( DatanodeStorageReport[] reports) { final List protos = new ArrayList<>(reports.length); for (DatanodeStorageReport report : reports) { protos.add(convertDatanodeStorageReport(report)); } return protos; } public static LocatedBlock[] convertLocatedBlock(LocatedBlockProto[] lb) { if (lb == null) return null; return convertLocatedBlock(Arrays.asList(lb)).toArray( new LocatedBlock[lb.length]); } public static LocatedBlocksProto convert(LocatedBlocks lb) { if (lb == null) { return null; } LocatedBlocksProto.Builder builder = LocatedBlocksProto.newBuilder(); if (lb.getLastLocatedBlock() != null) { builder.setLastBlock( convertLocatedBlock(lb.getLastLocatedBlock())); } if (lb.getFileEncryptionInfo() != null) { builder.setFileEncryptionInfo(convert(lb.getFileEncryptionInfo())); } if (lb.getErasureCodingPolicy() != null) { builder.setEcPolicy(convertErasureCodingPolicy( lb.getErasureCodingPolicy())); } return builder.setFileLength(lb.getFileLength()) .setUnderConstruction(lb.isUnderConstruction()) .addAllBlocks(convertLocatedBlocks2(lb.getLocatedBlocks())) .setIsLastBlockComplete(lb.isLastBlockComplete()).build(); } public static DataEncryptionKeyProto convert(DataEncryptionKey bet) { DataEncryptionKeyProto.Builder b = DataEncryptionKeyProto.newBuilder() .setKeyId(bet.keyId) .setBlockPoolId(bet.blockPoolId) .setNonce(getByteString(bet.nonce)) .setEncryptionKey(getByteString(bet.encryptionKey)) .setExpiryDate(bet.expiryDate); if (bet.encryptionAlgorithm != null) { b.setEncryptionAlgorithm(bet.encryptionAlgorithm); } return b.build(); } 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(convert(fs.getChecksumType())) .setKeyProviderUri(fs.getKeyProviderUri()) .setPolicyId(fs.getDefaultStoragePolicyId()) .build(); } public static EnumSetWritable convertCreateFlag(int flag) { EnumSet 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); } if ((flag & CreateFlagProto.LAZY_PERSIST_VALUE) == CreateFlagProto.LAZY_PERSIST_VALUE) { result.add(CreateFlag.LAZY_PERSIST); } if ((flag & CreateFlagProto.NEW_BLOCK_VALUE) == CreateFlagProto.NEW_BLOCK_VALUE) { result.add(CreateFlag.NEW_BLOCK); } if ((flag & CreateFlagProto.SHOULD_REPLICATE.getNumber()) == CreateFlagProto.SHOULD_REPLICATE.getNumber()) { result.add(CreateFlag.SHOULD_REPLICATE); } return new EnumSetWritable<>(result, CreateFlag.class); } public static EnumSet convertCacheFlags(int flags) { EnumSet result = EnumSet.noneOf(CacheFlag.class); if ((flags & CacheFlagProto.FORCE_VALUE) == CacheFlagProto.FORCE_VALUE) { result.add(CacheFlag.FORCE); } return result; } public static HdfsFileStatusProto convert(HdfsFileStatus fs) { if (fs == null) return null; FileType fType = FileType.IS_FILE; if (fs.isDirectory()) { 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(convert(fs.getPermission())). setOwnerBytes(getFixedByteString(fs.getOwner())). setGroupBytes(getFixedByteString(fs.getGroup())). setFileId(fs.getFileId()). setChildrenNum(fs.getChildrenNum()). setPath(getByteString(fs.getLocalNameInBytes())). setStoragePolicy(fs.getStoragePolicy()); if (fs.isSymlink()) { builder.setSymlink(getByteString(fs.getSymlinkInBytes())); } if (fs.getFileEncryptionInfo() != null) { builder.setFileEncryptionInfo(convert(fs.getFileEncryptionInfo())); } if (fs instanceof HdfsLocatedFileStatus) { final HdfsLocatedFileStatus lfs = (HdfsLocatedFileStatus) fs; LocatedBlocks locations = lfs.getLocatedBlocks(); if (locations != null) { builder.setLocations(convert(locations)); } } if(fs.getErasureCodingPolicy() != null) { builder.setEcPolicy(convertErasureCodingPolicy( fs.getErasureCodingPolicy())); } int flags = fs.hasAcl() ? HdfsFileStatusProto.Flags.HAS_ACL_VALUE : 0; flags |= fs.isEncrypted() ? HdfsFileStatusProto.Flags.HAS_CRYPT_VALUE : 0; flags |= fs.isErasureCoded() ? HdfsFileStatusProto.Flags.HAS_EC_VALUE : 0; flags |= fs.isSnapshotEnabled() ? HdfsFileStatusProto.Flags .SNAPSHOT_ENABLED_VALUE : 0; builder.setFlags(flags); 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 = getByteString( parentFullPath == null ? DFSUtilClient.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] = convert(fs[i]); } return result; } public static DirectoryListingProto convert(DirectoryListing d) { if (d == null) return null; return DirectoryListingProto.newBuilder(). addAllPartialListing(Arrays.asList( convert(d.getPartialListing()))). setRemainingEntries(d.getRemainingEntries()). build(); } 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]); if (fsStats.length >= ClientProtocol.GET_STATS_MISSING_REPL_ONE_BLOCKS_IDX + 1) result.setMissingReplOneBlocks( fsStats[ClientProtocol.GET_STATS_MISSING_REPL_ONE_BLOCKS_IDX]); if (fsStats.length >= ClientProtocol.GET_STATS_BYTES_IN_FUTURE_BLOCKS_IDX + 1) { result.setBlocksInFuture( fsStats[ClientProtocol.GET_STATS_BYTES_IN_FUTURE_BLOCKS_IDX]); } if (fsStats.length >= ClientProtocol.GET_STATS_PENDING_DELETION_BLOCKS_IDX + 1) { result.setPendingDeletionBlocks( fsStats[ClientProtocol.GET_STATS_PENDING_DELETION_BLOCKS_IDX]); } return result.build(); } public static GetFsReplicatedBlockStatsResponseProto convert( ReplicatedBlockStats replicatedBlockStats) { GetFsReplicatedBlockStatsResponseProto.Builder result = GetFsReplicatedBlockStatsResponseProto.newBuilder(); result.setLowRedundancy( replicatedBlockStats.getLowRedundancyBlocks()); result.setCorruptBlocks( replicatedBlockStats.getCorruptBlocks()); result.setMissingBlocks( replicatedBlockStats.getMissingReplicaBlocks()); result.setMissingReplOneBlocks( replicatedBlockStats.getMissingReplicationOneBlocks()); result.setBlocksInFuture( replicatedBlockStats.getBytesInFutureBlocks()); result.setPendingDeletionBlocks( replicatedBlockStats.getPendingDeletionBlocks()); if (replicatedBlockStats.hasHighestPriorityLowRedundancyBlocks()) { result.setHighestPrioLowRedundancyBlocks( replicatedBlockStats.getHighestPriorityLowRedundancyBlocks()); } return result.build(); } public static GetFsECBlockGroupStatsResponseProto convert( ECBlockGroupStats ecBlockGroupStats) { GetFsECBlockGroupStatsResponseProto.Builder result = GetFsECBlockGroupStatsResponseProto.newBuilder(); result.setLowRedundancy( ecBlockGroupStats.getLowRedundancyBlockGroups()); result.setCorruptBlocks(ecBlockGroupStats.getCorruptBlockGroups()); result.setMissingBlocks(ecBlockGroupStats.getMissingBlockGroups()); result.setBlocksInFuture( ecBlockGroupStats.getBytesInFutureBlockGroups()); result.setPendingDeletionBlocks( ecBlockGroupStats.getPendingDeletionBlocks()); if (ecBlockGroupStats.hasHighestPriorityLowRedundancyBlocks()) { result.setHighestPrioLowRedundancyBlocks( ecBlockGroupStats.getHighestPriorityLowRedundancyBlocks()); } return result.build(); } public static DatanodeReportType convert(DatanodeReportTypeProto t) { switch (t) { case ALL: return DatanodeReportType.ALL; case LIVE: return DatanodeReportType.LIVE; case DEAD: return DatanodeReportType.DEAD; case DECOMMISSIONING: return DatanodeReportType.DECOMMISSIONING; case ENTERING_MAINTENANCE: return DatanodeReportType.ENTERING_MAINTENANCE; case IN_MAINTENANCE: return DatanodeReportType.IN_MAINTENANCE; default: throw new IllegalArgumentException("Unexpected data type report:" + t); } } public static SafeModeAction convert( 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; case SAFEMODE_FORCE_EXIT: return SafeModeAction.SAFEMODE_FORCE_EXIT; default: throw new IllegalArgumentException("Unexpected SafeModeAction :" + a); } } public static ReencryptAction convert(ReencryptActionProto a) { switch (a) { case CANCEL_REENCRYPT: return ReencryptAction.CANCEL; case START_REENCRYPT: return ReencryptAction.START; default: throw new IllegalArgumentException("Unexpected value: " + a); } } public static RollingUpgradeAction convert(RollingUpgradeActionProto a) { switch (a) { case QUERY: return RollingUpgradeAction.QUERY; case START: return RollingUpgradeAction.PREPARE; case FINALIZE: return RollingUpgradeAction.FINALIZE; default: throw new IllegalArgumentException("Unexpected value: " + a); } } public static RollingUpgradeStatusProto convertRollingUpgradeStatus( RollingUpgradeStatus status) { return RollingUpgradeStatusProto.newBuilder() .setBlockPoolId(status.getBlockPoolId()) .setFinalized(status.isFinalized()) .build(); } public static RollingUpgradeStatus convert(RollingUpgradeStatusProto proto) { return new RollingUpgradeStatus(proto.getBlockPoolId(), proto.getFinalized()); } public static RollingUpgradeInfoProto convert(RollingUpgradeInfo info) { return RollingUpgradeInfoProto.newBuilder() .setStatus(convertRollingUpgradeStatus(info)) .setCreatedRollbackImages(info.createdRollbackImages()) .setStartTime(info.getStartTime()) .setFinalizeTime(info.getFinalizeTime()) .build(); } 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 ContentSummaryProto convert(ContentSummary cs) { if (cs == null) return null; ContentSummaryProto.Builder builder = ContentSummaryProto.newBuilder(); builder.setLength(cs.getLength()). setFileCount(cs.getFileCount()). setDirectoryCount(cs.getDirectoryCount()). setSnapshotLength(cs.getSnapshotLength()). setSnapshotFileCount(cs.getSnapshotFileCount()). setSnapshotDirectoryCount(cs.getSnapshotDirectoryCount()). setSnapshotSpaceConsumed(cs.getSnapshotSpaceConsumed()). setQuota(cs.getQuota()). setSpaceConsumed(cs.getSpaceConsumed()). setSpaceQuota(cs.getSpaceQuota()). setErasureCodingPolicy(cs.getErasureCodingPolicy()); if (cs.isTypeQuotaSet() || cs.isTypeConsumedAvailable()) { builder.setTypeQuotaInfos(getBuilder(cs)); } return builder.build(); } private static void addStorageTypes( HdfsProtos.StorageTypeQuotaInfosProto typeQuotaInfos, QuotaUsage.Builder builder) { for (HdfsProtos.StorageTypeQuotaInfoProto info : typeQuotaInfos.getTypeQuotaInfoList()) { StorageType type = convertStorageType(info.getType()); builder.typeConsumed(type, info.getConsumed()); builder.typeQuota(type, info.getQuota()); } } private static HdfsProtos.StorageTypeQuotaInfosProto.Builder getBuilder( QuotaUsage qu) { HdfsProtos.StorageTypeQuotaInfosProto.Builder isb = HdfsProtos.StorageTypeQuotaInfosProto.newBuilder(); for (StorageType t: StorageType.getTypesSupportingQuota()) { HdfsProtos.StorageTypeQuotaInfoProto info = HdfsProtos.StorageTypeQuotaInfoProto.newBuilder(). setType(convertStorageType(t)). setConsumed(qu.getTypeConsumed(t)). setQuota(qu.getTypeQuota(t)). build(); isb.addTypeQuotaInfo(info); } return isb; } public static DatanodeStorageProto convert(DatanodeStorage s) { return DatanodeStorageProto.newBuilder() .setState(convertState(s.getState())) .setStorageType(convertStorageType(s.getStorageType())) .setStorageUuid(s.getStorageID()).build(); } private static StorageState convertState(State state) { switch(state) { case READ_ONLY_SHARED: return StorageState.READ_ONLY_SHARED; case NORMAL: default: return StorageState.NORMAL; } } public static StorageReportProto convert(StorageReport r) { StorageReportProto.Builder builder = StorageReportProto.newBuilder() .setBlockPoolUsed(r.getBlockPoolUsed()).setCapacity(r.getCapacity()) .setDfsUsed(r.getDfsUsed()).setRemaining(r.getRemaining()) .setStorageUuid(r.getStorage().getStorageID()) .setStorage(convert(r.getStorage())) .setNonDfsUsed(r.getNonDfsUsed()); return builder.build(); } public static List convertStorageReports( StorageReport[] storages) { final List protos = new ArrayList<>(storages.length); for (StorageReport storage : storages) { protos.add(convert(storage)); } return protos; } 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] = convert(status[i]); } List protoList = Arrays.asList(protos); return SnapshottableDirectoryListingProto.newBuilder() .addAllSnapshottableDirListing(protoList).build(); } public static SnapshotDiffReportEntryProto convert(DiffReportEntry entry) { if (entry == null) { return null; } ByteString sourcePath = getByteString(entry.getSourcePath() == null ? DFSUtilClient.EMPTY_BYTES : entry.getSourcePath()); String modification = entry.getType().getLabel(); SnapshotDiffReportEntryProto.Builder builder = SnapshotDiffReportEntryProto .newBuilder().setFullpath(sourcePath) .setModificationLabel(modification); if (entry.getType() == DiffType.RENAME) { ByteString targetPath = getByteString(entry.getTargetPath() == null ? DFSUtilClient.EMPTY_BYTES : entry.getTargetPath()); builder.setTargetPath(targetPath); } return builder.build(); } public static SnapshotDiffReportListingEntryProto convert( DiffReportListingEntry entry) { if (entry == null) { return null; } ByteString sourcePath = getByteString( entry.getSourcePath() == null ? DFSUtilClient.EMPTY_BYTES : DFSUtilClient.byteArray2bytes(entry.getSourcePath())); long dirId = entry.getDirId(); long fileId = entry.getFileId(); boolean isReference = entry.isReference(); ByteString targetPath = getByteString( entry.getTargetPath() == null ? DFSUtilClient.EMPTY_BYTES : DFSUtilClient.byteArray2bytes(entry.getTargetPath())); SnapshotDiffReportListingEntryProto.Builder builder = SnapshotDiffReportListingEntryProto.newBuilder().setFullpath(sourcePath) .setDirId(dirId).setFileId(fileId).setIsReference(isReference) .setTargetPath(targetPath); return builder.build(); } public static SnapshotDiffReportListingProto convert( SnapshotDiffReportListing report) { if (report == null) { return null; } ByteString startPath = getByteString( report.getLastPath() == null ? DFSUtilClient.EMPTY_BYTES : report.getLastPath()); List modifiedEntries = report.getModifyList(); List createdEntries = report.getCreateList(); List deletedEntries = report.getDeleteList(); List modifiedEntryProtos = new ChunkedArrayList<>(); for (DiffReportListingEntry entry : modifiedEntries) { SnapshotDiffReportListingEntryProto entryProto = convert(entry); if (entryProto != null) { modifiedEntryProtos.add(entryProto); } } List createdEntryProtos = new ChunkedArrayList<>(); for (DiffReportListingEntry entry : createdEntries) { SnapshotDiffReportListingEntryProto entryProto = convert(entry); if (entryProto != null) { createdEntryProtos.add(entryProto); } } List deletedEntryProtos = new ChunkedArrayList<>(); for (DiffReportListingEntry entry : deletedEntries) { SnapshotDiffReportListingEntryProto entryProto = convert(entry); if (entryProto != null) { deletedEntryProtos.add(entryProto); } } return SnapshotDiffReportListingProto.newBuilder() .addAllModifiedEntries(modifiedEntryProtos) .addAllCreatedEntries(createdEntryProtos) .addAllDeletedEntries(deletedEntryProtos) .setIsFromEarlier(report.getIsFromEarlier()) .setCursor(HdfsProtos.SnapshotDiffReportCursorProto.newBuilder() .setStartPath(startPath) .setIndex(report.getLastIndex()).build()) .build(); } public static SnapshotDiffReportProto convert(SnapshotDiffReport report) { if (report == null) { return null; } List entries = report.getDiffList(); List entryProtos = new ChunkedArrayList<>(); for (DiffReportEntry entry : entries) { SnapshotDiffReportEntryProto entryProto = convert(entry); if (entryProto != null) entryProtos.add(entryProto); } return SnapshotDiffReportProto.newBuilder() .setSnapshotRoot(report.getSnapshotRoot()) .setFromSnapshot(report.getFromSnapshot()) .setToSnapshot(report.getLaterSnapshotName()) .addAllDiffReportEntries(entryProtos).build(); } public static CacheDirectiveStatsProto convert(CacheDirectiveStats stats) { CacheDirectiveStatsProto.Builder builder = CacheDirectiveStatsProto.newBuilder(); builder.setBytesNeeded(stats.getBytesNeeded()); builder.setBytesCached(stats.getBytesCached()); builder.setFilesNeeded(stats.getFilesNeeded()); builder.setFilesCached(stats.getFilesCached()); builder.setHasExpired(stats.hasExpired()); return builder.build(); } public static CacheDirectiveEntryProto convert(CacheDirectiveEntry entry) { CacheDirectiveEntryProto.Builder builder = CacheDirectiveEntryProto.newBuilder(); builder.setInfo(convert(entry.getInfo())); builder.setStats(convert(entry.getStats())); return builder.build(); } public static boolean[] convertBooleanList( List targetPinningsList) { final boolean[] targetPinnings = new boolean[targetPinningsList.size()]; for (int i = 0; i < targetPinningsList.size(); i++) { targetPinnings[i] = targetPinningsList.get(i); } return targetPinnings; } public static CachePoolStatsProto convert(CachePoolStats stats) { CachePoolStatsProto.Builder builder = CachePoolStatsProto.newBuilder(); builder.setBytesNeeded(stats.getBytesNeeded()); builder.setBytesCached(stats.getBytesCached()); builder.setBytesOverlimit(stats.getBytesOverlimit()); builder.setFilesNeeded(stats.getFilesNeeded()); builder.setFilesCached(stats.getFilesCached()); return builder.build(); } public static CachePoolEntryProto convert(CachePoolEntry entry) { CachePoolEntryProto.Builder builder = CachePoolEntryProto.newBuilder(); builder.setInfo(convert(entry.getInfo())); builder.setStats(convert(entry.getStats())); return builder.build(); } public static DatanodeLocalInfoProto convert(DatanodeLocalInfo info) { DatanodeLocalInfoProto.Builder builder = DatanodeLocalInfoProto.newBuilder(); builder.setSoftwareVersion(info.getSoftwareVersion()); builder.setConfigVersion(info.getConfigVersion()); builder.setUptime(info.getUptime()); return builder.build(); } public static GetAclStatusResponseProto convert(AclStatus e) { AclStatusProto.Builder builder = AclStatusProto.newBuilder(); builder.setOwner(e.getOwner()) .setGroup(e.getGroup()).setSticky(e.isStickyBit()) .addAllEntries(convertAclEntryProto(e.getEntries())); if (e.getPermission() != null) { builder.setPermission(convert(e.getPermission())); } AclStatusProto r = builder.build(); return GetAclStatusResponseProto.newBuilder().setResult(r).build(); } public static EnumSet convert(int flag) { EnumSet result = EnumSet.noneOf(XAttrSetFlag.class); if ((flag & XAttrSetFlagProto.XATTR_CREATE_VALUE) == XAttrSetFlagProto.XATTR_CREATE_VALUE) { result.add(XAttrSetFlag.CREATE); } if ((flag & XAttrSetFlagProto.XATTR_REPLACE_VALUE) == XAttrSetFlagProto.XATTR_REPLACE_VALUE) { result.add(XAttrSetFlag.REPLACE); } return result; } public static XAttr convertXAttr(XAttrProto a) { XAttr.Builder builder = new XAttr.Builder(); builder.setNameSpace(convert(a.getNamespace())); if (a.hasName()) { builder.setName(a.getName()); } if (a.hasValue()) { builder.setValue(a.getValue().toByteArray()); } return builder.build(); } public static GetXAttrsResponseProto convertXAttrsResponse( List xAttrs) { GetXAttrsResponseProto.Builder builder = GetXAttrsResponseProto .newBuilder(); if (xAttrs != null) { builder.addAllXAttrs(convertXAttrProto(xAttrs)); } return builder.build(); } public static ListXAttrsResponseProto convertListXAttrsResponse( List names) { ListXAttrsResponseProto.Builder builder = ListXAttrsResponseProto.newBuilder(); if (names != null) { builder.addAllXAttrs(convertXAttrProto(names)); } return builder.build(); } public static EncryptionZoneProto convert(EncryptionZone zone) { return EncryptionZoneProto.newBuilder() .setId(zone.getId()) .setPath(zone.getPath()) .setSuite(convert(zone.getSuite())) .setCryptoProtocolVersion(convert(zone.getVersion())) .setKeyName(zone.getKeyName()) .build(); } public static SlotId convert(ShortCircuitShmSlotProto slotId) { return new SlotId(convert(slotId.getShmId()), slotId.getSlotIdx()); } public static GetEditsFromTxidResponseProto convertEditsResponse( EventBatchList el) { InotifyProtos.EventsListProto.Builder builder = InotifyProtos.EventsListProto.newBuilder(); for (EventBatch b : el.getBatches()) { List events = Lists.newArrayList(); for (Event e : b.getEvents()) { switch (e.getEventType()) { case CLOSE: Event.CloseEvent ce = (Event.CloseEvent) e; events.add(InotifyProtos.EventProto.newBuilder() .setType(InotifyProtos.EventType.EVENT_CLOSE) .setContents( InotifyProtos.CloseEventProto.newBuilder() .setPath(ce.getPath()) .setFileSize(ce.getFileSize()) .setTimestamp(ce.getTimestamp()).build().toByteString() ).build()); break; case CREATE: Event.CreateEvent ce2 = (Event.CreateEvent) e; InotifyProtos.CreateEventProto.Builder pB = (InotifyProtos.CreateEventProto.newBuilder()); pB.setType(createTypeConvert(ce2.getiNodeType())) .setPath(ce2.getPath()) .setCtime(ce2.getCtime()) .setOwnerName(ce2.getOwnerName()) .setGroupName(ce2.getGroupName()) .setPerms(convert(ce2.getPerms())) .setReplication(ce2.getReplication()) .setSymlinkTarget(ce2.getSymlinkTarget() == null ? "" : ce2.getSymlinkTarget()) .setDefaultBlockSize(ce2.getDefaultBlockSize()) .setOverwrite(ce2.getOverwrite()); if (ce2.isErasureCoded().isPresent()) { pB.setErasureCoded(ce2.isErasureCoded().get()); } events.add(InotifyProtos.EventProto.newBuilder() .setType(InotifyProtos.EventType.EVENT_CREATE) .setContents(pB.build().toByteString()) .build()); break; case METADATA: Event.MetadataUpdateEvent me = (Event.MetadataUpdateEvent) e; InotifyProtos.MetadataUpdateEventProto.Builder metaB = InotifyProtos.MetadataUpdateEventProto.newBuilder() .setPath(me.getPath()) .setType(metadataUpdateTypeConvert(me.getMetadataType())) .setMtime(me.getMtime()) .setAtime(me.getAtime()) .setReplication(me.getReplication()) .setOwnerName(me.getOwnerName() == null ? "" : me.getOwnerName()) .setGroupName(me.getGroupName() == null ? "" : me.getGroupName()) .addAllAcls(me.getAcls() == null ? Lists.newArrayList() : convertAclEntryProto(me.getAcls())) .addAllXAttrs(me.getxAttrs() == null ? Lists.newArrayList() : convertXAttrProto(me.getxAttrs())) .setXAttrsRemoved(me.isxAttrsRemoved()); if (me.getPerms() != null) { metaB.setPerms(convert(me.getPerms())); } events.add(InotifyProtos.EventProto.newBuilder() .setType(InotifyProtos.EventType.EVENT_METADATA) .setContents(metaB.build().toByteString()) .build()); break; case RENAME: Event.RenameEvent re = (Event.RenameEvent) e; events.add(InotifyProtos.EventProto.newBuilder() .setType(InotifyProtos.EventType.EVENT_RENAME) .setContents( InotifyProtos.RenameEventProto.newBuilder() .setSrcPath(re.getSrcPath()) .setDestPath(re.getDstPath()) .setTimestamp(re.getTimestamp()).build().toByteString() ).build()); break; case APPEND: Event.AppendEvent re2 = (Event.AppendEvent) e; events.add(InotifyProtos.EventProto.newBuilder() .setType(InotifyProtos.EventType.EVENT_APPEND) .setContents(InotifyProtos.AppendEventProto.newBuilder() .setPath(re2.getPath()) .setNewBlock(re2.toNewBlock()).build().toByteString()) .build()); break; case UNLINK: Event.UnlinkEvent ue = (Event.UnlinkEvent) e; events.add(InotifyProtos.EventProto.newBuilder() .setType(InotifyProtos.EventType.EVENT_UNLINK) .setContents( InotifyProtos.UnlinkEventProto.newBuilder() .setPath(ue.getPath()) .setTimestamp(ue.getTimestamp()).build().toByteString() ).build()); break; case TRUNCATE: Event.TruncateEvent te = (Event.TruncateEvent) e; events.add(InotifyProtos.EventProto.newBuilder() .setType(InotifyProtos.EventType.EVENT_TRUNCATE) .setContents( InotifyProtos.TruncateEventProto.newBuilder() .setPath(te.getPath()) .setFileSize(te.getFileSize()) .setTimestamp(te.getTimestamp()).build().toByteString() ).build()); break; default: throw new RuntimeException("Unexpected inotify event: " + e); } } builder.addBatch(InotifyProtos.EventBatchProto.newBuilder(). setTxid(b.getTxid()). addAllEvents(events)); } builder.setFirstTxid(el.getFirstTxid()); builder.setLastTxid(el.getLastTxid()); builder.setSyncTxid(el.getSyncTxid()); return GetEditsFromTxidResponseProto.newBuilder().setEventsList( builder.build()).build(); } public static CryptoProtocolVersion[] convertCryptoProtocolVersions( List protos) { List versions = Lists.newArrayListWithCapacity(protos.size()); for (CryptoProtocolVersionProto p: protos) { versions.add(convert(p)); } return versions.toArray(new CryptoProtocolVersion[]{}); } public static HdfsProtos.PerFileEncryptionInfoProto convertPerFileEncInfo( FileEncryptionInfo info) { if (info == null) { return null; } return HdfsProtos.PerFileEncryptionInfoProto.newBuilder() .setKey(getByteString(info.getEncryptedDataEncryptionKey())) .setIv(getByteString(info.getIV())) .setEzKeyVersionName(info.getEzKeyVersionName()) .build(); } public static ZoneEncryptionInfoProto convert(CipherSuite suite, CryptoProtocolVersion version, String keyName) { return convert(suite, version, keyName, null); } public static ZoneEncryptionInfoProto convert(CipherSuite suite, CryptoProtocolVersion version, String keyName, ReencryptionInfoProto proto) { if (suite == null || version == null || keyName == null) { return null; } ZoneEncryptionInfoProto.Builder builder = ZoneEncryptionInfoProto.newBuilder().setSuite(convert(suite)) .setCryptoProtocolVersion(convert(version)).setKeyName(keyName); if (proto != null) { builder.setReencryptionProto(proto); } return builder.build(); } public static FileEncryptionInfo convert( HdfsProtos.PerFileEncryptionInfoProto fileProto, CipherSuite suite, CryptoProtocolVersion version, String keyName) { if (fileProto == null || suite == null || version == null || keyName == null) { return null; } byte[] key = fileProto.getKey().toByteArray(); byte[] iv = fileProto.getIv().toByteArray(); String ezKeyVersionName = fileProto.getEzKeyVersionName(); return new FileEncryptionInfo(suite, version, key, iv, keyName, ezKeyVersionName); } public static ReencryptionInfoProto convert(String ezkvn, Long submissionTime, boolean isCanceled, long numReencrypted, long numFailures, Long completionTime, String lastFile) { if (ezkvn == null || submissionTime == null) { return null; } ReencryptionInfoProto.Builder builder = ReencryptionInfoProto.newBuilder().setEzKeyVersionName(ezkvn) .setSubmissionTime(submissionTime).setCanceled(isCanceled) .setNumReencrypted(numReencrypted).setNumFailures(numFailures); if (completionTime != null) { builder.setCompletionTime(completionTime); } if (lastFile != null) { builder.setLastFile(lastFile); } return builder.build(); } public static ZoneReencryptionStatusProto convert(ZoneReencryptionStatus zs) { ZoneReencryptionStatusProto.Builder builder = ZoneReencryptionStatusProto.newBuilder() .setId(zs.getId()) .setPath(zs.getZoneName()) .setEzKeyVersionName(zs.getEzKeyVersionName()) .setSubmissionTime(zs.getSubmissionTime()) .setCanceled(zs.isCanceled()) .setNumReencrypted(zs.getFilesReencrypted()) .setNumFailures(zs.getNumReencryptionFailures()); switch (zs.getState()) { case Submitted: builder.setState(ReencryptionStateProto.SUBMITTED); break; case Processing: builder.setState(ReencryptionStateProto.PROCESSING); break; case Completed: builder.setState(ReencryptionStateProto.COMPLETED); break; default: throw new IllegalArgumentException("Unknown state " + zs.getState()); } final long completion = zs.getCompletionTime(); if (completion != 0) { builder.setCompletionTime(completion); } final String file = zs.getLastCheckpointFile(); if (file != null) { builder.setLastFile(file); } return builder.build(); } public static ZoneReencryptionStatus convert( ZoneReencryptionStatusProto proto) { ZoneReencryptionStatus.State state; switch (proto.getState()) { case SUBMITTED: state = ZoneReencryptionStatus.State.Submitted; break; case PROCESSING: state = ZoneReencryptionStatus.State.Processing; break; case COMPLETED: state = ZoneReencryptionStatus.State.Completed; break; default: throw new IllegalArgumentException("Unknown state " + proto.getState()); } ZoneReencryptionStatus.Builder builder = new ZoneReencryptionStatus. Builder(). id(proto.getId()).zoneName(proto.getPath()).state(state) .ezKeyVersionName(proto.getEzKeyVersionName()) .submissionTime(proto.getSubmissionTime()).canceled(proto.getCanceled()) .filesReencrypted(proto.getNumReencrypted()) .fileReencryptionFailures(proto.getNumFailures()); if (proto.hasCompletionTime()) { builder.completionTime(proto.getCompletionTime()); } if (proto.hasLastFile()) { builder.lastCheckpointFile(proto.getLastFile()); } return builder.build(); } public static DatanodeInfo[] convert(DatanodeInfosProto datanodeInfosProto) { List proto = datanodeInfosProto.getDatanodesList(); DatanodeInfo[] infos = new DatanodeInfo[proto.size()]; for (int i = 0; i < infos.length; i++) { infos[i] = convert(proto.get(i)); } return infos; } static List convert(DatanodeInfo[][] targets) { DatanodeInfosProto[] ret = new DatanodeInfosProto[targets.length]; for (int i = 0; i < targets.length; i++) { ret[i] = DatanodeInfosProto.newBuilder() .addAllDatanodes(convert(targets[i])).build(); } return Arrays.asList(ret); } public static ECSchema convertECSchema(HdfsProtos.ECSchemaProto schema) { List optionsList = schema.getOptionsList(); Map options = new HashMap<>(optionsList.size()); for (HdfsProtos.ECSchemaOptionEntryProto option : optionsList) { options.put(option.getKey(), option.getValue()); } return new ECSchema(schema.getCodecName(), schema.getDataUnits(), schema.getParityUnits(), options); } public static HdfsProtos.ECSchemaProto convertECSchema(ECSchema schema) { HdfsProtos.ECSchemaProto.Builder builder = HdfsProtos.ECSchemaProto.newBuilder() .setCodecName(schema.getCodecName()) .setDataUnits(schema.getNumDataUnits()) .setParityUnits(schema.getNumParityUnits()); Set> entrySet = schema.getExtraOptions().entrySet(); for (Map.Entry entry : entrySet) { builder.addOptions(HdfsProtos.ECSchemaOptionEntryProto.newBuilder() .setKey(entry.getKey()).setValue(entry.getValue()).build()); } return builder.build(); } public static ErasureCodingPolicyState convertECState( HdfsProtos.ErasureCodingPolicyState state) { return ErasureCodingPolicyState.fromValue(state.getNumber()); } public static HdfsProtos.ErasureCodingPolicyState convertECState( ErasureCodingPolicyState state) { return HdfsProtos.ErasureCodingPolicyState.valueOf(state.getValue()); } /** * Convert the protobuf to a {@link ErasureCodingPolicy}. */ public static ErasureCodingPolicy convertErasureCodingPolicy( ErasureCodingPolicyProto proto) { final byte id = (byte) (proto.getId() & 0xFF); ErasureCodingPolicy policy = SystemErasureCodingPolicies.getByID(id); if (policy == null) { // If it's not a built-in policy, populate from the optional PB fields. // The optional fields are required in this case. Preconditions.checkArgument(proto.hasName(), "Missing name field in ErasureCodingPolicy proto"); Preconditions.checkArgument(proto.hasSchema(), "Missing schema field in ErasureCodingPolicy proto"); Preconditions.checkArgument(proto.hasCellSize(), "Missing cellsize field in ErasureCodingPolicy proto"); return new ErasureCodingPolicy(proto.getName(), convertECSchema(proto.getSchema()), proto.getCellSize(), id); } return policy; } /** * Convert the protobuf to a {@link ErasureCodingPolicyInfo}. This should only * be needed when the caller is interested in the state of the policy. */ public static ErasureCodingPolicyInfo convertErasureCodingPolicyInfo( ErasureCodingPolicyProto proto) { ErasureCodingPolicy policy = convertErasureCodingPolicy(proto); ErasureCodingPolicyInfo info = new ErasureCodingPolicyInfo(policy); Preconditions.checkArgument(proto.hasState(), "Missing state field in ErasureCodingPolicy proto"); info.setState(convertECState(proto.getState())); return info; } private static ErasureCodingPolicyProto.Builder createECPolicyProtoBuilder( ErasureCodingPolicy policy) { final ErasureCodingPolicyProto.Builder builder = ErasureCodingPolicyProto.newBuilder().setId(policy.getId()); // If it's not a built-in policy, need to set the optional fields. if (SystemErasureCodingPolicies.getByID(policy.getId()) == null) { builder.setName(policy.getName()) .setSchema(convertECSchema(policy.getSchema())) .setCellSize(policy.getCellSize()); } return builder; } /** * Convert a {@link ErasureCodingPolicy} to protobuf. * This means no state of the policy will be set on the protobuf. */ public static ErasureCodingPolicyProto convertErasureCodingPolicy( ErasureCodingPolicy policy) { return createECPolicyProtoBuilder(policy).build(); } /** * Convert a {@link ErasureCodingPolicyInfo} to protobuf. * The protobuf will have the policy, and state. State is relevant when: * 1. Persisting a policy to fsimage * 2. Returning the policy to the RPC call * {@link DistributedFileSystem#getAllErasureCodingPolicies()} */ public static ErasureCodingPolicyProto convertErasureCodingPolicy( ErasureCodingPolicyInfo info) { final ErasureCodingPolicyProto.Builder builder = createECPolicyProtoBuilder(info.getPolicy()); builder.setState(convertECState(info.getState())); return builder.build(); } public static CodecProto convertErasureCodingCodec(String codec, String coders) { CodecProto.Builder builder = CodecProto.newBuilder() .setCodec(codec).setCoders(coders); return builder.build(); } public static AddErasureCodingPolicyResponseProto convertAddErasureCodingPolicyResponse( AddErasureCodingPolicyResponse response) { AddErasureCodingPolicyResponseProto.Builder builder = AddErasureCodingPolicyResponseProto.newBuilder() .setPolicy(convertErasureCodingPolicy(response.getPolicy())) .setSucceed(response.isSucceed()); if (!response.isSucceed()) { builder.setErrorMsg(response.getErrorMsg()); } return builder.build(); } public static AddErasureCodingPolicyResponse convertAddErasureCodingPolicyResponse( AddErasureCodingPolicyResponseProto proto) { ErasureCodingPolicy policy = convertErasureCodingPolicy(proto.getPolicy()); if (proto.getSucceed()) { return new AddErasureCodingPolicyResponse(policy); } else { return new AddErasureCodingPolicyResponse(policy, proto.getErrorMsg()); } } public static HdfsProtos.DatanodeInfosProto convertToProto( DatanodeInfo[] datanodeInfos) { HdfsProtos.DatanodeInfosProto.Builder builder = HdfsProtos.DatanodeInfosProto.newBuilder(); for (DatanodeInfo datanodeInfo : datanodeInfos) { builder.addDatanodes(PBHelperClient.convert(datanodeInfo)); } return builder.build(); } public static EnumSet convertAddBlockFlags( List addBlockFlags) { EnumSet flags = EnumSet.noneOf(AddBlockFlag.class); for (AddBlockFlagProto af : addBlockFlags) { AddBlockFlag flag = AddBlockFlag.valueOf((short)af.getNumber()); if (flag != null) { flags.add(flag); } } return flags; } public static List convertAddBlockFlags( EnumSet flags) { List ret = new ArrayList<>(); for (AddBlockFlag flag : flags) { AddBlockFlagProto abfp = AddBlockFlagProto.valueOf(flag.getMode()); if (abfp != null) { ret.add(abfp); } } return ret; } public static ProvidedStorageLocation convert( HdfsProtos.ProvidedStorageLocationProto providedStorageLocationProto) { if (providedStorageLocationProto == null) { return null; } String path = providedStorageLocationProto.getPath(); long length = providedStorageLocationProto.getLength(); long offset = providedStorageLocationProto.getOffset(); ByteString nonce = providedStorageLocationProto.getNonce(); if (path == null || length == -1 || offset == -1 || nonce == null) { return null; } else { return new ProvidedStorageLocation(new Path(path), offset, length, nonce.toByteArray()); } } public static HdfsProtos.ProvidedStorageLocationProto convert( ProvidedStorageLocation providedStorageLocation) { String path = providedStorageLocation.getPath().toString(); return HdfsProtos.ProvidedStorageLocationProto.newBuilder() .setPath(path) .setLength(providedStorageLocation.getLength()) .setOffset(providedStorageLocation.getOffset()) .setNonce(ByteString.copyFrom(providedStorageLocation.getNonce())) .build(); } public static EnumSet convertOpenFileTypes( List openFilesTypeProtos) { EnumSet types = EnumSet.noneOf(OpenFilesType.class); for (OpenFilesTypeProto af : openFilesTypeProtos) { OpenFilesType type = OpenFilesType.valueOf((short)af.getNumber()); if (type != null) { types.add(type); } } return types; } public static List convertOpenFileTypes( EnumSet types) { List typeProtos = new ArrayList<>(); for (OpenFilesType type : types) { OpenFilesTypeProto typeProto = OpenFilesTypeProto.valueOf(type.getMode()); if (typeProto != null) { typeProtos.add(typeProto); } } return typeProtos; } }





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