HDFS-2479 HDFS Client Data Types in Protocol Buffers (sanjay)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1190127 13f79535-47bb-0310-9956-ffa450edef68
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@ -48,6 +48,8 @@ Trunk (unreleased changes)
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HDFS-2496. Separate datatypes for DatanodeProtocol. (suresh)
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HDFS-2479 HDFS Client Data Types in Protocol Buffers (sanjay)
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BUG FIXES
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HDFS-2287. TestParallelRead has a small off-by-one bug. (todd)
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@ -87,6 +87,7 @@ public abstract class HdfsProtoUtil {
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.setName(dni.getName())
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.setStorageID(dni.getStorageID())
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.setInfoPort(dni.getInfoPort())
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.setIpcPort(dni.getIpcPort())
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.build();
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}
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@ -95,7 +96,7 @@ public abstract class HdfsProtoUtil {
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idProto.getName(),
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idProto.getStorageID(),
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idProto.getInfoPort(),
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-1); // ipc port not serialized in writables either
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idProto.getIpcPort());
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}
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//// DatanodeInfo ////
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File diff suppressed because it is too large
Load Diff
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@ -23,13 +23,19 @@ option java_package = "org.apache.hadoop.hdfs.protocol.proto";
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option java_outer_classname = "HdfsProtos";
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option java_generate_equals_and_hash = true;
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/**
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* Extended block idenfies a block
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*/
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message ExtendedBlockProto {
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required string poolId = 1;
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required uint64 blockId = 2;
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required uint64 numBytes = 3;
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required uint64 generationStamp = 4;
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required string poolId = 1; // Block pool id - gloablly unique across clusters
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required uint64 blockId = 2; // the local id within a pool
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required uint64 generationStamp = 3;
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optional uint64 numBytes = 4; // block len does not belong in ebid - here for historical reasons
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}
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/**
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* Block Token
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*/
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message BlockTokenIdentifierProto {
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required bytes identifier = 1;
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required bytes password = 2;
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@ -37,12 +43,20 @@ message BlockTokenIdentifierProto {
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required string service = 4;
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}
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/**
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* Identifies a Datanode
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*/
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message DatanodeIDProto {
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required string name = 1;
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required string storageID = 2;
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required uint32 infoPort = 3;
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required string name = 1; // hostname:portNumber
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required string storageID = 2; // Unique storage id
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required uint32 infoPort = 3; // the port where the infoserver is running
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required uint32 ipcPort = 4; // the port where the ipc Server is running
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}
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/**
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* The status of a Datanode
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*/
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message DatanodeInfoProto {
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required DatanodeIDProto id = 1;
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optional uint64 capacity = 2;
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@ -62,3 +76,116 @@ message DatanodeInfoProto {
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optional AdminState adminState = 10;
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}
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/**
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* Summary of a file or directory
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*/
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message ContentSummaryProto {
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required uint64 length = 1;
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required uint64 fileCount = 2;
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required uint64 directoryCount = 3;
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required uint64 quota = 4;
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required uint64 spaceConsumed = 5;
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required uint64 spaceQuota = 6;
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}
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/**
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* Contains a list of paths corresponding to corrupt files and a cookie
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* used for iterative calls to NameNode.listCorruptFileBlocks.
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*
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*/
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message CorruptFileBlocksProto {
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repeated string files = 1;
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required string cookie = 2;
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}
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/**
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* File or Directory permision - same spec as posix
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*/
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message FsPermissionProto {
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required uint32 perm = 1; // Actually a short - only 16bits used
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}
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/**
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* A LocatedBlock gives information about a block and its location.
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*/
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message LocatedBlockProto {
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required ExtendedBlockProto b = 1;
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required uint64 offset = 2; // offset of first byte of block in the file
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repeated DatanodeInfoProto locs = 3; // Locations ordered by proximity to client ip
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required bool corrupt = 4; // true if all replicas of a block are corrupt, else false
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// If block has few corrupt replicas, they are filtered and
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// their locations are not part of this object
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required BlockTokenIdentifierProto blockToken = 5;
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}
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/**
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* A set of file blocks and their locations.
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*/
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message LocatedBlocksProto {
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required uint64 fileLength = 1;
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repeated LocatedBlockProto blocks = 2;
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required bool underConstruction = 3;
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optional LocatedBlockProto lastBlock = 4;
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required bool isLastBlockComplete = 5;
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}
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/**
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* Status of a file, directory or symlink
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* Optionally includes a file's block locations if requested by client on the rpc call.
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*/
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message HdfsFileStatusProto {
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enum FileType {
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IS_DIR = 1;
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IS_FILE = 2;
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IS_SYMLINK = 3;
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}
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required FileType fileType = 1;
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required bytes path = 2; // local name of inode encoded java UTF8
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required uint64 length = 3;
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required FsPermissionProto permission = 4;
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required string owner = 5;
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required string group = 6;
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required uint64 modification_time = 7;
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required uint64 access_time = 8;
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//
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// Optional fields for symlink
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optional bytes symlink = 9; // if symlink, target encoded java UTF8
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//
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// Optional fields for file
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optional uint32 block_replication = 10; // Actually a short - only 16bits used
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optional uint64 blocksize = 11;
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optional LocatedBlocksProto locations = 12; // suppled only if asked by client
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}
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/**
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* HDFS Server Defaults
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*/
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message FsServerDefaultsProto {
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required uint64 blockSize = 1;
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required uint32 bytesPerChecksum = 2;
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required uint32 writePacketSize = 3;
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required uint32 replication = 4; // Actually a short - only 16bits used
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required uint32 fileBufferSize = 5;
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}
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/**
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* Directory listing
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*/
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message DirectoryListingProto {
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repeated HdfsFileStatusProto partialListing = 1;
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required uint32 remainingEntries = 2;
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}
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/**
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* Status of current cluster upgrade from one version to another
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*/
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message UpgradeStatusReportProto {
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required uint32 version = 1;;
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required uint32 upgradeStatus = 2; // Between 0 and 100 indicating the % complete
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}
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