@Override public GetFileInfoResponseProto getFileInfo(RpcController controller, GetFileInfoRequestProto req) throws ServiceException { try { HdfsFileStatus result = server.getFileInfo(req.getSrc()); if (result != null) { return GetFileInfoResponseProto.newBuilder().setFs(PBHelper.convert(result)).build(); } return NULL_GETFILEINFO_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } }
/** * This class is used on the server side. Calls come across the wire for the for protocol {@link * ClientNamenodeProtocolPB}. This class translates the PB data types to the native data types used * inside the NN as specified in the generic ClientProtocol. */ @InterfaceAudience.Private @InterfaceStability.Stable public class ClientNamenodeProtocolServerSideTranslatorPB implements ClientNamenodeProtocolPB { private final ClientProtocol server; /** * Constructor * * @param server - the NN server * @throws IOException */ public ClientNamenodeProtocolServerSideTranslatorPB(ClientProtocol server) throws IOException { this.server = server; } @Override public GetBlockLocationsResponseProto getBlockLocations( RpcController controller, GetBlockLocationsRequestProto req) throws ServiceException { try { LocatedBlocks b = server.getBlockLocations(req.getSrc(), req.getOffset(), req.getLength()); Builder builder = GetBlockLocationsResponseProto.newBuilder(); if (b != null) { builder.setLocations(PBHelper.convert(b)).build(); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetServerDefaultsResponseProto getServerDefaults( RpcController controller, GetServerDefaultsRequestProto req) throws ServiceException { try { FsServerDefaults result = server.getServerDefaults(); return GetServerDefaultsResponseProto.newBuilder() .setServerDefaults(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } static final CreateResponseProto VOID_CREATE_RESPONSE = CreateResponseProto.newBuilder().build(); @Override public CreateResponseProto create(RpcController controller, CreateRequestProto req) throws ServiceException { try { server.create( req.getSrc(), PBHelper.convert(req.getMasked()), req.getClientName(), PBHelper.convert(req.getCreateFlag()), req.getCreateParent(), (short) req.getReplication(), req.getBlockSize()); } catch (IOException e) { throw new ServiceException(e); } return VOID_CREATE_RESPONSE; } static final AppendResponseProto NULL_APPEND_RESPONSE = AppendResponseProto.newBuilder().build(); @Override public AppendResponseProto append(RpcController controller, AppendRequestProto req) throws ServiceException { try { LocatedBlock result = server.append(req.getSrc(), req.getClientName()); if (result != null) { return AppendResponseProto.newBuilder().setBlock(PBHelper.convert(result)).build(); } return NULL_APPEND_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public SetReplicationResponseProto setReplication( RpcController controller, SetReplicationRequestProto req) throws ServiceException { try { boolean result = server.setReplication(req.getSrc(), (short) req.getReplication()); return SetReplicationResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } static final SetPermissionResponseProto VOID_SET_PERM_RESPONSE = SetPermissionResponseProto.newBuilder().build(); @Override public SetPermissionResponseProto setPermission( RpcController controller, SetPermissionRequestProto req) throws ServiceException { try { server.setPermission(req.getSrc(), PBHelper.convert(req.getPermission())); } catch (IOException e) { throw new ServiceException(e); } return VOID_SET_PERM_RESPONSE; } static final SetOwnerResponseProto VOID_SET_OWNER_RESPONSE = SetOwnerResponseProto.newBuilder().build(); @Override public SetOwnerResponseProto setOwner(RpcController controller, SetOwnerRequestProto req) throws ServiceException { try { server.setOwner( req.getSrc(), req.hasUsername() ? req.getUsername() : null, req.hasGroupname() ? req.getGroupname() : null); } catch (IOException e) { throw new ServiceException(e); } return VOID_SET_OWNER_RESPONSE; } static final AbandonBlockResponseProto VOID_ADD_BLOCK_RESPONSE = AbandonBlockResponseProto.newBuilder().build(); @Override public AbandonBlockResponseProto abandonBlock( RpcController controller, AbandonBlockRequestProto req) throws ServiceException { try { server.abandonBlock(PBHelper.convert(req.getB()), req.getSrc(), req.getHolder()); } catch (IOException e) { throw new ServiceException(e); } return VOID_ADD_BLOCK_RESPONSE; } @Override public AddBlockResponseProto addBlock(RpcController controller, AddBlockRequestProto req) throws ServiceException { try { List<DatanodeInfoProto> excl = req.getExcludeNodesList(); LocatedBlock result = server.addBlock( req.getSrc(), req.getClientName(), req.hasPrevious() ? PBHelper.convert(req.getPrevious()) : null, (excl == null || excl.size() == 0) ? null : PBHelper.convert(excl.toArray(new DatanodeInfoProto[excl.size()]))); return AddBlockResponseProto.newBuilder().setBlock(PBHelper.convert(result)).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetAdditionalDatanodeResponseProto getAdditionalDatanode( RpcController controller, GetAdditionalDatanodeRequestProto req) throws ServiceException { try { List<DatanodeInfoProto> existingList = req.getExistingsList(); List<DatanodeInfoProto> excludesList = req.getExcludesList(); LocatedBlock result = server.getAdditionalDatanode( req.getSrc(), PBHelper.convert(req.getBlk()), PBHelper.convert(existingList.toArray(new DatanodeInfoProto[existingList.size()])), PBHelper.convert(excludesList.toArray(new DatanodeInfoProto[excludesList.size()])), req.getNumAdditionalNodes(), req.getClientName()); return GetAdditionalDatanodeResponseProto.newBuilder() .setBlock(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public CompleteResponseProto complete(RpcController controller, CompleteRequestProto req) throws ServiceException { try { boolean result = server.complete( req.getSrc(), req.getClientName(), req.hasLast() ? PBHelper.convert(req.getLast()) : null); return CompleteResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } static final ReportBadBlocksResponseProto VOID_REP_BAD_BLOCK_RESPONSE = ReportBadBlocksResponseProto.newBuilder().build(); @Override public ReportBadBlocksResponseProto reportBadBlocks( RpcController controller, ReportBadBlocksRequestProto req) throws ServiceException { try { List<LocatedBlockProto> bl = req.getBlocksList(); server.reportBadBlocks( PBHelper.convertLocatedBlock(bl.toArray(new LocatedBlockProto[bl.size()]))); } catch (IOException e) { throw new ServiceException(e); } return VOID_REP_BAD_BLOCK_RESPONSE; } static final ConcatResponseProto VOID_CONCAT_RESPONSE = ConcatResponseProto.newBuilder().build(); @Override public ConcatResponseProto concat(RpcController controller, ConcatRequestProto req) throws ServiceException { try { List<String> srcs = req.getSrcsList(); server.concat(req.getTrg(), srcs.toArray(new String[srcs.size()])); } catch (IOException e) { throw new ServiceException(e); } return VOID_CONCAT_RESPONSE; } @Override public RenameResponseProto rename(RpcController controller, RenameRequestProto req) throws ServiceException { try { boolean result = server.rename(req.getSrc(), req.getDst()); return RenameResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } static final Rename2ResponseProto VOID_RENAME2_RESPONSE = Rename2ResponseProto.newBuilder().build(); @Override public Rename2ResponseProto rename2(RpcController controller, Rename2RequestProto req) throws ServiceException { try { server.rename2( req.getSrc(), req.getDst(), req.getOverwriteDest() ? Rename.OVERWRITE : Rename.NONE); } catch (IOException e) { throw new ServiceException(e); } return VOID_RENAME2_RESPONSE; } @Override public DeleteResponseProto delete(RpcController controller, DeleteRequestProto req) throws ServiceException { try { boolean result = server.delete(req.getSrc(), req.getRecursive()); return DeleteResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public MkdirsResponseProto mkdirs(RpcController controller, MkdirsRequestProto req) throws ServiceException { try { boolean result = server.mkdirs(req.getSrc(), PBHelper.convert(req.getMasked()), req.getCreateParent()); return MkdirsResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } static final GetListingResponseProto NULL_GETLISTING_RESPONSE = GetListingResponseProto.newBuilder().build(); @Override public GetListingResponseProto getListing(RpcController controller, GetListingRequestProto req) throws ServiceException { try { DirectoryListing result = server.getListing(req.getSrc(), req.getStartAfter().toByteArray(), req.getNeedLocation()); if (result != null) { return GetListingResponseProto.newBuilder().setDirList(PBHelper.convert(result)).build(); } else { return NULL_GETLISTING_RESPONSE; } } catch (IOException e) { throw new ServiceException(e); } } static final RenewLeaseResponseProto VOID_RENEWLEASE_RESPONSE = RenewLeaseResponseProto.newBuilder().build(); @Override public RenewLeaseResponseProto renewLease(RpcController controller, RenewLeaseRequestProto req) throws ServiceException { try { server.renewLease(req.getClientName()); return VOID_RENEWLEASE_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public RecoverLeaseResponseProto recoverLease( RpcController controller, RecoverLeaseRequestProto req) throws ServiceException { try { boolean result = server.recoverLease(req.getSrc(), req.getClientName()); return RecoverLeaseResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public RestoreFailedStorageResponseProto restoreFailedStorage( RpcController controller, RestoreFailedStorageRequestProto req) throws ServiceException { try { boolean result = server.restoreFailedStorage(req.getArg()); return RestoreFailedStorageResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetFsStatsResponseProto getFsStats(RpcController controller, GetFsStatusRequestProto req) throws ServiceException { try { return PBHelper.convert(server.getStats()); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetDatanodeReportResponseProto getDatanodeReport( RpcController controller, GetDatanodeReportRequestProto req) throws ServiceException { try { DatanodeInfoProto[] result = PBHelper.convert(server.getDatanodeReport(PBHelper.convert(req.getType()))); return GetDatanodeReportResponseProto.newBuilder().addAllDi(Arrays.asList(result)).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetPreferredBlockSizeResponseProto getPreferredBlockSize( RpcController controller, GetPreferredBlockSizeRequestProto req) throws ServiceException { try { long result = server.getPreferredBlockSize(req.getFilename()); return GetPreferredBlockSizeResponseProto.newBuilder().setBsize(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public SetSafeModeResponseProto setSafeMode(RpcController controller, SetSafeModeRequestProto req) throws ServiceException { try { boolean result = server.setSafeMode(PBHelper.convert(req.getAction())); return SetSafeModeResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } static final SaveNamespaceResponseProto VOID_SAVENAMESPACE_RESPONSE = SaveNamespaceResponseProto.newBuilder().build(); @Override public SaveNamespaceResponseProto saveNamespace( RpcController controller, SaveNamespaceRequestProto req) throws ServiceException { try { server.saveNamespace(); return VOID_SAVENAMESPACE_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final RefreshNodesResponseProto VOID_REFRESHNODES_RESPONSE = RefreshNodesResponseProto.newBuilder().build(); @Override public RefreshNodesResponseProto refreshNodes( RpcController controller, RefreshNodesRequestProto req) throws ServiceException { try { server.refreshNodes(); return VOID_REFRESHNODES_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final FinalizeUpgradeResponseProto VOID_FINALIZEUPGRADE_RESPONSE = FinalizeUpgradeResponseProto.newBuilder().build(); @Override public FinalizeUpgradeResponseProto finalizeUpgrade( RpcController controller, FinalizeUpgradeRequestProto req) throws ServiceException { try { server.finalizeUpgrade(); return VOID_FINALIZEUPGRADE_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public DistributedUpgradeProgressResponseProto distributedUpgradeProgress( RpcController controller, DistributedUpgradeProgressRequestProto req) throws ServiceException { try { UpgradeStatusReport result = server.distributedUpgradeProgress(PBHelper.convert(req.getAction())); DistributedUpgradeProgressResponseProto.Builder builder = DistributedUpgradeProgressResponseProto.newBuilder(); if (result != null) { builder.setReport(PBHelper.convert(result)); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ListCorruptFileBlocksResponseProto listCorruptFileBlocks( RpcController controller, ListCorruptFileBlocksRequestProto req) throws ServiceException { try { CorruptFileBlocks result = server.listCorruptFileBlocks(req.getPath(), req.hasCookie() ? req.getCookie() : null); return ListCorruptFileBlocksResponseProto.newBuilder() .setCorrupt(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } static final MetaSaveResponseProto VOID_METASAVE_RESPONSE = MetaSaveResponseProto.newBuilder().build(); @Override public MetaSaveResponseProto metaSave(RpcController controller, MetaSaveRequestProto req) throws ServiceException { try { server.metaSave(req.getFilename()); return VOID_METASAVE_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final GetFileInfoResponseProto NULL_GETFILEINFO_RESPONSE = GetFileInfoResponseProto.newBuilder().build(); @Override public GetFileInfoResponseProto getFileInfo(RpcController controller, GetFileInfoRequestProto req) throws ServiceException { try { HdfsFileStatus result = server.getFileInfo(req.getSrc()); if (result != null) { return GetFileInfoResponseProto.newBuilder().setFs(PBHelper.convert(result)).build(); } return NULL_GETFILEINFO_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final GetFileLinkInfoResponseProto NULL_GETFILELINKINFO_RESPONSE = GetFileLinkInfoResponseProto.newBuilder().build(); @Override public GetFileLinkInfoResponseProto getFileLinkInfo( RpcController controller, GetFileLinkInfoRequestProto req) throws ServiceException { try { HdfsFileStatus result = server.getFileLinkInfo(req.getSrc()); if (result != null) { System.out.println("got non null result for getFileLinkInfo for " + req.getSrc()); return GetFileLinkInfoResponseProto.newBuilder().setFs(PBHelper.convert(result)).build(); } else { System.out.println("got null result for getFileLinkInfo for " + req.getSrc()); return NULL_GETFILELINKINFO_RESPONSE; } } catch (IOException e) { throw new ServiceException(e); } } @Override public GetContentSummaryResponseProto getContentSummary( RpcController controller, GetContentSummaryRequestProto req) throws ServiceException { try { ContentSummary result = server.getContentSummary(req.getPath()); return GetContentSummaryResponseProto.newBuilder() .setSummary(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } static final SetQuotaResponseProto VOID_SETQUOTA_RESPONSE = SetQuotaResponseProto.newBuilder().build(); @Override public SetQuotaResponseProto setQuota(RpcController controller, SetQuotaRequestProto req) throws ServiceException { try { server.setQuota(req.getPath(), req.getNamespaceQuota(), req.getDiskspaceQuota()); return VOID_SETQUOTA_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final FsyncResponseProto VOID_FSYNC_RESPONSE = FsyncResponseProto.newBuilder().build(); @Override public FsyncResponseProto fsync(RpcController controller, FsyncRequestProto req) throws ServiceException { try { server.fsync(req.getSrc(), req.getClient()); return VOID_FSYNC_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final SetTimesResponseProto VOID_SETTIMES_RESPONSE = SetTimesResponseProto.newBuilder().build(); @Override public SetTimesResponseProto setTimes(RpcController controller, SetTimesRequestProto req) throws ServiceException { try { server.setTimes(req.getSrc(), req.getMtime(), req.getAtime()); return VOID_SETTIMES_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final CreateSymlinkResponseProto VOID_CREATESYMLINK_RESPONSE = CreateSymlinkResponseProto.newBuilder().build(); @Override public CreateSymlinkResponseProto createSymlink( RpcController controller, CreateSymlinkRequestProto req) throws ServiceException { try { server.createSymlink( req.getTarget(), req.getLink(), PBHelper.convert(req.getDirPerm()), req.getCreateParent()); return VOID_CREATESYMLINK_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public GetLinkTargetResponseProto getLinkTarget( RpcController controller, GetLinkTargetRequestProto req) throws ServiceException { try { String result = server.getLinkTarget(req.getPath()); return GetLinkTargetResponseProto.newBuilder().setTargetPath(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public UpdateBlockForPipelineResponseProto updateBlockForPipeline( RpcController controller, UpdateBlockForPipelineRequestProto req) throws ServiceException { try { LocatedBlockProto result = PBHelper.convert( server.updateBlockForPipeline(PBHelper.convert(req.getBlock()), req.getClientName())); return UpdateBlockForPipelineResponseProto.newBuilder().setBlock(result).build(); } catch (IOException e) { throw new ServiceException(e); } } static final UpdatePipelineResponseProto VOID_UPDATEPIPELINE_RESPONSE = UpdatePipelineResponseProto.newBuilder().build(); @Override public UpdatePipelineResponseProto updatePipeline( RpcController controller, UpdatePipelineRequestProto req) throws ServiceException { try { List<DatanodeIDProto> newNodes = req.getNewNodesList(); server.updatePipeline( req.getClientName(), PBHelper.convert(req.getOldBlock()), PBHelper.convert(req.getNewBlock()), PBHelper.convert(newNodes.toArray(new DatanodeIDProto[newNodes.size()]))); return VOID_UPDATEPIPELINE_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public GetDelegationTokenResponseProto getDelegationToken( RpcController controller, GetDelegationTokenRequestProto req) throws ServiceException { try { BlockTokenIdentifierProto result = PBHelper.convert(server.getDelegationToken(new Text(req.getRenewer()))); return GetDelegationTokenResponseProto.newBuilder().setToken(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public RenewDelegationTokenResponseProto renewDelegationToken( RpcController controller, RenewDelegationTokenRequestProto req) throws ServiceException { try { long result = server.renewDelegationToken(PBHelper.convertDelegationToken(req.getToken())); return RenewDelegationTokenResponseProto.newBuilder().setNewExireTime(result).build(); } catch (IOException e) { throw new ServiceException(e); } } static final CancelDelegationTokenResponseProto VOID_CANCELDELEGATIONTOKEN_RESPONSE = CancelDelegationTokenResponseProto.newBuilder().build(); @Override public CancelDelegationTokenResponseProto cancelDelegationToken( RpcController controller, CancelDelegationTokenRequestProto req) throws ServiceException { try { server.cancelDelegationToken(PBHelper.convertDelegationToken(req.getToken())); return VOID_CANCELDELEGATIONTOKEN_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } static final SetBalancerBandwidthResponseProto VOID_SETBALANCERBANDWIDTH_RESPONSE = SetBalancerBandwidthResponseProto.newBuilder().build(); @Override public SetBalancerBandwidthResponseProto setBalancerBandwidth( RpcController controller, SetBalancerBandwidthRequestProto req) throws ServiceException { try { server.setBalancerBandwidth(req.getBandwidth()); return VOID_SETBALANCERBANDWIDTH_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public GetDataEncryptionKeyResponseProto getDataEncryptionKey( RpcController controller, GetDataEncryptionKeyRequestProto request) throws ServiceException { try { DataEncryptionKey encryptionKey = server.getDataEncryptionKey(); return GetDataEncryptionKeyResponseProto.newBuilder() .setDataEncryptionKey(PBHelper.convert(encryptionKey)) .build(); } catch (IOException e) { throw new ServiceException(e); } } }
/** * This class is used on the server side. Calls come across the wire for the for protocol {@link * ClientNamenodeProtocolPB}. This class translates the PB data types to the native data types used * inside the NN as specified in the generic ClientProtocol. */ @InterfaceAudience.Private @InterfaceStability.Stable public class ClientNamenodeProtocolServerSideTranslatorPB implements ClientNamenodeProtocolPB { private final ClientProtocol server; private static final CreateResponseProto VOID_CREATE_RESPONSE = CreateResponseProto.newBuilder().build(); private static final AppendResponseProto VOID_APPEND_RESPONSE = AppendResponseProto.newBuilder().build(); private static final SetPermissionResponseProto VOID_SET_PERM_RESPONSE = SetPermissionResponseProto.newBuilder().build(); private static final SetOwnerResponseProto VOID_SET_OWNER_RESPONSE = SetOwnerResponseProto.newBuilder().build(); private static final AbandonBlockResponseProto VOID_ADD_BLOCK_RESPONSE = AbandonBlockResponseProto.newBuilder().build(); private static final ReportBadBlocksResponseProto VOID_REP_BAD_BLOCK_RESPONSE = ReportBadBlocksResponseProto.newBuilder().build(); private static final ConcatResponseProto VOID_CONCAT_RESPONSE = ConcatResponseProto.newBuilder().build(); private static final Rename2ResponseProto VOID_RENAME2_RESPONSE = Rename2ResponseProto.newBuilder().build(); private static final GetListingResponseProto VOID_GETLISTING_RESPONSE = GetListingResponseProto.newBuilder().build(); private static final RenewLeaseResponseProto VOID_RENEWLEASE_RESPONSE = RenewLeaseResponseProto.newBuilder().build(); private static final RefreshNodesResponseProto VOID_REFRESHNODES_RESPONSE = RefreshNodesResponseProto.newBuilder().build(); private static final GetFileInfoResponseProto VOID_GETFILEINFO_RESPONSE = GetFileInfoResponseProto.newBuilder().build(); private static final GetFileLinkInfoResponseProto VOID_GETFILELINKINFO_RESPONSE = GetFileLinkInfoResponseProto.newBuilder().build(); private static final SetQuotaResponseProto VOID_SETQUOTA_RESPONSE = SetQuotaResponseProto.newBuilder().build(); private static final FsyncResponseProto VOID_FSYNC_RESPONSE = FsyncResponseProto.newBuilder().build(); private static final SetTimesResponseProto VOID_SETTIMES_RESPONSE = SetTimesResponseProto.newBuilder().build(); private static final CreateSymlinkResponseProto VOID_CREATESYMLINK_RESPONSE = CreateSymlinkResponseProto.newBuilder().build(); private static final ClientNamenodeProtocolProtos.AddBlockChecksumResponseProto VOID_ADDBLOCKCHECKSUM_RESPONSE = ClientNamenodeProtocolProtos.AddBlockChecksumResponseProto.newBuilder().build(); private static final UpdatePipelineResponseProto VOID_UPDATEPIPELINE_RESPONSE = UpdatePipelineResponseProto.newBuilder().build(); private static final CancelDelegationTokenResponseProto VOID_CANCELDELEGATIONTOKEN_RESPONSE = CancelDelegationTokenResponseProto.newBuilder().build(); private static final SetBalancerBandwidthResponseProto VOID_SETBALANCERBANDWIDTH_RESPONSE = SetBalancerBandwidthResponseProto.newBuilder().build(); private static final ClientNamenodeProtocolProtos.ChangeConfResponseProto VOID_CHANGECONF_RESPONSE = ClientNamenodeProtocolProtos.ChangeConfResponseProto.newBuilder().build(); private static final ClientNamenodeProtocolProtos.SetMetaEnabledResponseProto VOID_SET_META_ENABLED_RESPONSE = ClientNamenodeProtocolProtos.SetMetaEnabledResponseProto.newBuilder().build(); /** * Constructor * * @param server - the NN server * @throws IOException */ public ClientNamenodeProtocolServerSideTranslatorPB(ClientProtocol server) throws IOException { this.server = server; } @Override public GetBlockLocationsResponseProto getBlockLocations( RpcController controller, GetBlockLocationsRequestProto req) throws ServiceException { try { LocatedBlocks b = server.getBlockLocations(req.getSrc(), req.getOffset(), req.getLength()); Builder builder = GetBlockLocationsResponseProto.newBuilder(); if (b != null) { builder.setLocations(PBHelper.convert(b)).build(); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.GetMissingBlockLocationsResponseProto getMissingBlockLocations( RpcController controller, ClientNamenodeProtocolProtos.GetMissingBlockLocationsRequestProto req) throws ServiceException { try { LocatedBlocks b = server.getMissingBlockLocations(req.getFilePath()); ClientNamenodeProtocolProtos.GetMissingBlockLocationsResponseProto.Builder builder = ClientNamenodeProtocolProtos.GetMissingBlockLocationsResponseProto.newBuilder(); if (b != null) { builder.setLocations(PBHelper.convert(b)).build(); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.AddBlockChecksumResponseProto addBlockChecksum( RpcController controller, ClientNamenodeProtocolProtos.AddBlockChecksumRequestProto req) throws ServiceException { try { server.addBlockChecksum(req.getSrc(), req.getBlockIndex(), req.getChecksum()); } catch (IOException e) { throw new ServiceException(e); } return VOID_ADDBLOCKCHECKSUM_RESPONSE; } @Override public ClientNamenodeProtocolProtos.GetBlockChecksumResponseProto getBlockChecksum( RpcController controller, ClientNamenodeProtocolProtos.GetBlockChecksumRequestProto req) throws ServiceException { try { long checksum = server.getBlockChecksum(req.getSrc(), req.getBlockIndex()); ClientNamenodeProtocolProtos.GetBlockChecksumResponseProto.Builder builder = ClientNamenodeProtocolProtos.GetBlockChecksumResponseProto.newBuilder() .setChecksum(checksum); return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetServerDefaultsResponseProto getServerDefaults( RpcController controller, GetServerDefaultsRequestProto req) throws ServiceException { try { FsServerDefaults result = server.getServerDefaults(); return GetServerDefaultsResponseProto.newBuilder() .setServerDefaults(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public CreateResponseProto create(RpcController controller, CreateRequestProto req) throws ServiceException { try { HdfsFileStatus result = null; if (req.hasPolicy()) { result = server.create( req.getSrc(), PBHelper.convert(req.getMasked()), req.getClientName(), PBHelper.convert(req.getCreateFlag()), req.getCreateParent(), (short) req.getReplication(), req.getBlockSize(), PBHelper.convert(req.getPolicy())); } else { result = server.create( req.getSrc(), PBHelper.convert(req.getMasked()), req.getClientName(), PBHelper.convert(req.getCreateFlag()), req.getCreateParent(), (short) req.getReplication(), req.getBlockSize()); } if (result != null) { return CreateResponseProto.newBuilder().setFs(PBHelper.convert(result)).build(); } } catch (IOException e) { throw new ServiceException(e); } return VOID_CREATE_RESPONSE; } @Override public AppendResponseProto append(RpcController controller, AppendRequestProto req) throws ServiceException { try { LocatedBlock result = server.append(req.getSrc(), req.getClientName()); if (result != null) { return AppendResponseProto.newBuilder().setBlock(PBHelper.convert(result)).build(); } return VOID_APPEND_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public SetReplicationResponseProto setReplication( RpcController controller, SetReplicationRequestProto req) throws ServiceException { try { boolean result = server.setReplication(req.getSrc(), (short) req.getReplication()); return SetReplicationResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.SetMetaEnabledResponseProto setMetaEnabled( RpcController controller, ClientNamenodeProtocolProtos.SetMetaEnabledRequestProto req) throws ServiceException { try { server.setMetaEnabled(req.getSrc(), req.getMetaEnabled()); } catch (IOException e) { throw new ServiceException(e); } return VOID_SET_META_ENABLED_RESPONSE; } @Override public SetPermissionResponseProto setPermission( RpcController controller, SetPermissionRequestProto req) throws ServiceException { try { server.setPermission(req.getSrc(), PBHelper.convert(req.getPermission())); } catch (IOException e) { throw new ServiceException(e); } return VOID_SET_PERM_RESPONSE; } @Override public SetOwnerResponseProto setOwner(RpcController controller, SetOwnerRequestProto req) throws ServiceException { try { server.setOwner( req.getSrc(), req.hasUsername() ? req.getUsername() : null, req.hasGroupname() ? req.getGroupname() : null); } catch (IOException e) { throw new ServiceException(e); } return VOID_SET_OWNER_RESPONSE; } @Override public AbandonBlockResponseProto abandonBlock( RpcController controller, AbandonBlockRequestProto req) throws ServiceException { try { server.abandonBlock(PBHelper.convert(req.getB()), req.getSrc(), req.getHolder()); } catch (IOException e) { throw new ServiceException(e); } return VOID_ADD_BLOCK_RESPONSE; } @Override public AddBlockResponseProto addBlock(RpcController controller, AddBlockRequestProto req) throws ServiceException { try { List<DatanodeInfoProto> excl = req.getExcludeNodesList(); LocatedBlock result = server.addBlock( req.getSrc(), req.getClientName(), req.hasPrevious() ? PBHelper.convert(req.getPrevious()) : null, (excl == null || excl.size() == 0) ? null : PBHelper.convert(excl.toArray(new DatanodeInfoProto[excl.size()]))); return AddBlockResponseProto.newBuilder().setBlock(PBHelper.convert(result)).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetAdditionalDatanodeResponseProto getAdditionalDatanode( RpcController controller, GetAdditionalDatanodeRequestProto req) throws ServiceException { try { List<DatanodeInfoProto> existingList = req.getExistingsList(); List<DatanodeInfoProto> excludesList = req.getExcludesList(); LocatedBlock result = server.getAdditionalDatanode( req.getSrc(), PBHelper.convert(req.getBlk()), PBHelper.convert(existingList.toArray(new DatanodeInfoProto[existingList.size()])), PBHelper.convert(excludesList.toArray(new DatanodeInfoProto[excludesList.size()])), req.getNumAdditionalNodes(), req.getClientName()); return GetAdditionalDatanodeResponseProto.newBuilder() .setBlock(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public CompleteResponseProto complete(RpcController controller, CompleteRequestProto req) throws ServiceException { try { boolean result = server.complete( req.getSrc(), req.getClientName(), req.hasLast() ? PBHelper.convert(req.getLast()) : null); return CompleteResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ReportBadBlocksResponseProto reportBadBlocks( RpcController controller, ReportBadBlocksRequestProto req) throws ServiceException { try { List<LocatedBlockProto> bl = req.getBlocksList(); server.reportBadBlocks( PBHelper.convertLocatedBlock(bl.toArray(new LocatedBlockProto[bl.size()]))); } catch (IOException e) { throw new ServiceException(e); } return VOID_REP_BAD_BLOCK_RESPONSE; } @Override public ConcatResponseProto concat(RpcController controller, ConcatRequestProto req) throws ServiceException { try { List<String> srcs = req.getSrcsList(); server.concat(req.getTrg(), srcs.toArray(new String[srcs.size()])); } catch (IOException e) { throw new ServiceException(e); } return VOID_CONCAT_RESPONSE; } @Override public RenameResponseProto rename(RpcController controller, RenameRequestProto req) throws ServiceException { try { boolean result = server.rename(req.getSrc(), req.getDst()); return RenameResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public Rename2ResponseProto rename2(RpcController controller, Rename2RequestProto req) throws ServiceException { try { Options.Rename[] options; if (req.hasKeepEncodingStatus() && req.getKeepEncodingStatus()) { options = new Rename[2]; options[1] = Rename.KEEP_ENCODING_STATUS; } else { options = new Rename[1]; } options[0] = req.getOverwriteDest() ? Rename.OVERWRITE : Rename.NONE; server.rename2(req.getSrc(), req.getDst(), options); } catch (IOException e) { throw new ServiceException(e); } return VOID_RENAME2_RESPONSE; } @Override public DeleteResponseProto delete(RpcController controller, DeleteRequestProto req) throws ServiceException { try { boolean result = server.delete(req.getSrc(), req.getRecursive()); return DeleteResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public MkdirsResponseProto mkdirs(RpcController controller, MkdirsRequestProto req) throws ServiceException { try { boolean result = server.mkdirs(req.getSrc(), PBHelper.convert(req.getMasked()), req.getCreateParent()); return MkdirsResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetListingResponseProto getListing(RpcController controller, GetListingRequestProto req) throws ServiceException { try { DirectoryListing result = server.getListing(req.getSrc(), req.getStartAfter().toByteArray(), req.getNeedLocation()); if (result != null) { return GetListingResponseProto.newBuilder().setDirList(PBHelper.convert(result)).build(); } else { return VOID_GETLISTING_RESPONSE; } } catch (IOException e) { throw new ServiceException(e); } } @Override public RenewLeaseResponseProto renewLease(RpcController controller, RenewLeaseRequestProto req) throws ServiceException { try { server.renewLease(req.getClientName()); return VOID_RENEWLEASE_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public RecoverLeaseResponseProto recoverLease( RpcController controller, RecoverLeaseRequestProto req) throws ServiceException { try { boolean result = server.recoverLease(req.getSrc(), req.getClientName()); return RecoverLeaseResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetFsStatsResponseProto getFsStats(RpcController controller, GetFsStatusRequestProto req) throws ServiceException { try { return PBHelper.convert(server.getStats()); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetDatanodeReportResponseProto getDatanodeReport( RpcController controller, GetDatanodeReportRequestProto req) throws ServiceException { try { List<? extends DatanodeInfoProto> result = PBHelper.convert(server.getDatanodeReport(PBHelper.convert(req.getType()))); return GetDatanodeReportResponseProto.newBuilder().addAllDi(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetPreferredBlockSizeResponseProto getPreferredBlockSize( RpcController controller, GetPreferredBlockSizeRequestProto req) throws ServiceException { try { long result = server.getPreferredBlockSize(req.getFilename()); return GetPreferredBlockSizeResponseProto.newBuilder().setBsize(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public SetSafeModeResponseProto setSafeMode(RpcController controller, SetSafeModeRequestProto req) throws ServiceException { try { boolean result = server.setSafeMode(PBHelper.convert(req.getAction()), req.getChecked()); return SetSafeModeResponseProto.newBuilder().setResult(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public RefreshNodesResponseProto refreshNodes( RpcController controller, RefreshNodesRequestProto req) throws ServiceException { try { server.refreshNodes(); return VOID_REFRESHNODES_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public ListCorruptFileBlocksResponseProto listCorruptFileBlocks( RpcController controller, ListCorruptFileBlocksRequestProto req) throws ServiceException { try { CorruptFileBlocks result = server.listCorruptFileBlocks(req.getPath(), req.hasCookie() ? req.getCookie() : null); return ListCorruptFileBlocksResponseProto.newBuilder() .setCorrupt(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetFileInfoResponseProto getFileInfo(RpcController controller, GetFileInfoRequestProto req) throws ServiceException { try { HdfsFileStatus result = server.getFileInfo(req.getSrc()); if (result != null) { return GetFileInfoResponseProto.newBuilder().setFs(PBHelper.convert(result)).build(); } return VOID_GETFILEINFO_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public GetFileLinkInfoResponseProto getFileLinkInfo( RpcController controller, GetFileLinkInfoRequestProto req) throws ServiceException { try { HdfsFileStatus result = server.getFileLinkInfo(req.getSrc()); if (result != null) { System.out.println("got non null result for getFileLinkInfo for " + req.getSrc()); return GetFileLinkInfoResponseProto.newBuilder().setFs(PBHelper.convert(result)).build(); } else { System.out.println("got null result for getFileLinkInfo for " + req.getSrc()); return VOID_GETFILELINKINFO_RESPONSE; } } catch (IOException e) { throw new ServiceException(e); } } @Override public GetContentSummaryResponseProto getContentSummary( RpcController controller, GetContentSummaryRequestProto req) throws ServiceException { try { ContentSummary result = server.getContentSummary(req.getPath()); return GetContentSummaryResponseProto.newBuilder() .setSummary(PBHelper.convert(result)) .build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public SetQuotaResponseProto setQuota(RpcController controller, SetQuotaRequestProto req) throws ServiceException { try { server.setQuota(req.getPath(), req.getNamespaceQuota(), req.getDiskspaceQuota()); return VOID_SETQUOTA_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public FsyncResponseProto fsync(RpcController controller, FsyncRequestProto req) throws ServiceException { try { server.fsync(req.getSrc(), req.getClient(), req.getLastBlockLength()); return VOID_FSYNC_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public SetTimesResponseProto setTimes(RpcController controller, SetTimesRequestProto req) throws ServiceException { try { server.setTimes(req.getSrc(), req.getMtime(), req.getAtime()); return VOID_SETTIMES_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public CreateSymlinkResponseProto createSymlink( RpcController controller, CreateSymlinkRequestProto req) throws ServiceException { try { server.createSymlink( req.getTarget(), req.getLink(), PBHelper.convert(req.getDirPerm()), req.getCreateParent()); return VOID_CREATESYMLINK_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public GetLinkTargetResponseProto getLinkTarget( RpcController controller, GetLinkTargetRequestProto req) throws ServiceException { try { String result = server.getLinkTarget(req.getPath()); GetLinkTargetResponseProto.Builder builder = GetLinkTargetResponseProto.newBuilder(); if (result != null) { builder.setTargetPath(result); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public UpdateBlockForPipelineResponseProto updateBlockForPipeline( RpcController controller, UpdateBlockForPipelineRequestProto req) throws ServiceException { try { LocatedBlockProto result = PBHelper.convert( server.updateBlockForPipeline(PBHelper.convert(req.getBlock()), req.getClientName())); return UpdateBlockForPipelineResponseProto.newBuilder().setBlock(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public UpdatePipelineResponseProto updatePipeline( RpcController controller, UpdatePipelineRequestProto req) throws ServiceException { try { List<DatanodeIDProto> newNodes = req.getNewNodesList(); server.updatePipeline( req.getClientName(), PBHelper.convert(req.getOldBlock()), PBHelper.convert(req.getNewBlock()), PBHelper.convert(newNodes.toArray(new DatanodeIDProto[newNodes.size()]))); return VOID_UPDATEPIPELINE_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public GetDelegationTokenResponseProto getDelegationToken( RpcController controller, GetDelegationTokenRequestProto req) throws ServiceException { try { Token<DelegationTokenIdentifier> token = server.getDelegationToken(new Text(req.getRenewer())); GetDelegationTokenResponseProto.Builder rspBuilder = GetDelegationTokenResponseProto.newBuilder(); if (token != null) { rspBuilder.setToken(PBHelper.convert(token)); } return rspBuilder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public RenewDelegationTokenResponseProto renewDelegationToken( RpcController controller, RenewDelegationTokenRequestProto req) throws ServiceException { try { long result = server.renewDelegationToken(PBHelper.convertDelegationToken(req.getToken())); return RenewDelegationTokenResponseProto.newBuilder().setNewExpiryTime(result).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public CancelDelegationTokenResponseProto cancelDelegationToken( RpcController controller, CancelDelegationTokenRequestProto req) throws ServiceException { try { server.cancelDelegationToken(PBHelper.convertDelegationToken(req.getToken())); return VOID_CANCELDELEGATIONTOKEN_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public SetBalancerBandwidthResponseProto setBalancerBandwidth( RpcController controller, SetBalancerBandwidthRequestProto req) throws ServiceException { try { server.setBalancerBandwidth(req.getBandwidth()); return VOID_SETBALANCERBANDWIDTH_RESPONSE; } catch (IOException e) { throw new ServiceException(e); } } @Override public GetDataEncryptionKeyResponseProto getDataEncryptionKey( RpcController controller, GetDataEncryptionKeyRequestProto request) throws ServiceException { try { GetDataEncryptionKeyResponseProto.Builder builder = GetDataEncryptionKeyResponseProto.newBuilder(); DataEncryptionKey encryptionKey = server.getDataEncryptionKey(); if (encryptionKey != null) { builder.setDataEncryptionKey(PBHelper.convert(encryptionKey)); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.PingResponseProto ping( RpcController controller, ClientNamenodeProtocolProtos.PingRequestProto request) throws ServiceException { try { server.ping(); PingResponseProto.Builder builder = PingResponseProto.newBuilder(); return builder.build(); } catch (IOException ex) { throw new ServiceException(ex); } } @Override public ClientNamenodeProtocolProtos.GetEncodingStatusResponseProto getEncodingStatus( RpcController controller, ClientNamenodeProtocolProtos.GetEncodingStatusRequestProto request) throws ServiceException { try { EncodingStatus status = server.getEncodingStatus(request.getPath()); ClientNamenodeProtocolProtos.GetEncodingStatusResponseProto.Builder builder = ClientNamenodeProtocolProtos.GetEncodingStatusResponseProto.newBuilder(); builder.setEncodingStatus(PBHelper.convert(status)); return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.EncodeFileResponseProto encodeFile( RpcController controller, ClientNamenodeProtocolProtos.EncodeFileRequestProto request) throws ServiceException { try { server.encodeFile(request.getPath(), PBHelper.convert(request.getPolicy())); ClientNamenodeProtocolProtos.EncodeFileResponseProto.Builder builder = ClientNamenodeProtocolProtos.EncodeFileResponseProto.newBuilder(); return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.RevokeEncodingResponseProto revokeEncoding( RpcController controller, ClientNamenodeProtocolProtos.RevokeEncodingRequestProto request) throws ServiceException { try { server.revokeEncoding(request.getPath(), (short) request.getReplication()); ClientNamenodeProtocolProtos.RevokeEncodingResponseProto.Builder builder = ClientNamenodeProtocolProtos.RevokeEncodingResponseProto.newBuilder(); return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.GetRepairedBlockLocationsResponseProto getRepairedBlockLocations( RpcController controller, ClientNamenodeProtocolProtos.GetRepairedBlockLocationsRequsestProto request) throws ServiceException { try { LocatedBlock b = server.getRepairedBlockLocations( request.getSourcePath(), request.getParityPath(), PBHelper.convert(request.getBlock()), request.getIsParity()); ClientNamenodeProtocolProtos.GetRepairedBlockLocationsResponseProto.Builder builder = ClientNamenodeProtocolProtos.GetRepairedBlockLocationsResponseProto.newBuilder(); if (b != null) { builder.setLocatedBlocks(PBHelper.convert(b)).build(); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ClientNamenodeProtocolProtos.ActiveNamenodeListResponseProto getActiveNamenodesForClient( RpcController controller, ClientNamenodeProtocolProtos.ActiveNamenodeListRequestProto request) throws ServiceException { try { SortedActiveNodeList anl = server.getActiveNamenodesForClient(); ClientNamenodeProtocolProtos.ActiveNamenodeListResponseProto response = convertANListToResponseProto(anl); return response; } catch (IOException e) { throw new ServiceException(e); } } private ClientNamenodeProtocolProtos.ActiveNamenodeListResponseProto convertANListToResponseProto( SortedActiveNodeList anlWrapper) { List<ActiveNode> anl = anlWrapper.getActiveNodes(); ClientNamenodeProtocolProtos.ActiveNamenodeListResponseProto.Builder anlrpb = ClientNamenodeProtocolProtos.ActiveNamenodeListResponseProto.newBuilder(); for (int i = 0; i < anl.size(); i++) { ActiveNodeProtos.ActiveNodeProto anp = convertANToResponseProto(anl.get(i)); anlrpb.addNamenodes(anp); } return anlrpb.build(); } private ActiveNodeProtos.ActiveNodeProto convertANToResponseProto(ActiveNode p) { ActiveNodeProtos.ActiveNodeProto.Builder anp = ActiveNodeProtos.ActiveNodeProto.newBuilder(); anp.setId(p.getId()); anp.setHostname(p.getHostname()); anp.setIpAddress(p.getIpAddress()); anp.setPort(p.getPort()); anp.setHttpAddress(p.getHttpAddress()); return anp.build(); } @Override public ClientNamenodeProtocolProtos.ChangeConfResponseProto changeConf( RpcController controller, ClientNamenodeProtocolProtos.ChangeConfProto request) throws ServiceException { try { server.changeConf(request.getPropsList(), request.getNewValsList()); return VOID_CHANGECONF_RESPONSE; } catch (IOException ex) { throw new ServiceException(ex); } } }