metadatacache

Documentation

Index

• func ChunkToBlockAndOffset(chunk apis.ChunkNum) (apis.MetadataID, uint32)
• func ChunkToBlockID(chunk apis.ChunkNum) apis.MetadataID
• func ChunkToEntryNumber(chunk apis.ChunkNum) uint32
• func EntryAndBlockToChunkNum(metachunk apis.MetadataID, index uint32) apis.ChunkNum
• func EntryNumberToOffset(entryN uint32) uint32
• func NewCache(connCache rpc.ConnectionCache, etcd apis.EtcdInterface) (apis.MetadataCache, error)

Functions

func ChunkToBlockAndOffset

func ChunkToBlockAndOffset(chunk apis.ChunkNum) (apis.MetadataID, uint32)

Compute the metadata block, and offset within the block, that a certain chunk belongs to

func ChunkToBlockID

func ChunkToBlockID(chunk apis.ChunkNum) apis.MetadataID

Compute which metadata block the chunk belongs to

func ChunkToEntryNumber

func ChunkToEntryNumber(chunk apis.ChunkNum) uint32

Compute the index within its metadata block where a chunk should be able to be found

func EntryAndBlockToChunkNum

func EntryAndBlockToChunkNum(metachunk apis.MetadataID, index uint32) apis.ChunkNum

func EntryNumberToOffset

func EntryNumberToOffset(entryN uint32) uint32

Calculate the offset of the metadata entry inside of the block in bytes

func NewCache

func NewCache(connCache rpc.ConnectionCache, etcd apis.EtcdInterface) (apis.MetadataCache, error)

Construct a new metadata cache.