utils

Documentation

Overview

Package utils package

Index

• func CheckPathRWMod(path string) error
• func CompactRange(dbHandle protocol.DBHandle, logger protocol.Logger)
• func ConstructDBIndexInfo(blkIndex *storePb.StoreInfo, offset, byteLen uint64) []byte
• func CreatePath(path string) error
• func DecodeValueToIndex(blockIndexByte []byte) (*storePb.StoreInfo, error)
• func ElapsedMillisSeconds(start time.Time) int64
• func FileLocker(f *os.File) error
• func FileUnLocker(f *os.File) error
• func PathExists(path string) (bool, error)

Functions

func CheckPathRWMod

func CheckPathRWMod(path string) error

CheckPathRWMod 判断path是否存在且有写权限 @Description: @param path @return bool @return error

func CompactRange

func CompactRange(dbHandle protocol.DBHandle, logger protocol.Logger)

CompactRange 做一次compact @Description: @param dbHandle @param logger

func ConstructDBIndexInfo

func ConstructDBIndexInfo(blkIndex *storePb.StoreInfo, offset, byteLen uint64) []byte

ConstructDBIndexInfo 索引序列化 @Description: @param blkIndex @param offset @param byteLen @return []byte

func CreatePath

func CreatePath(path string) error

CreatePath add next time @Description: @param path @return error

func DecodeValueToIndex

func DecodeValueToIndex(blockIndexByte []byte) (*storePb.StoreInfo, error)

DecodeValueToIndex 索引反序列化 @Description: @param blockIndexByte @return *storePb.StoreInfo @return error

func ElapsedMillisSeconds

func ElapsedMillisSeconds(start time.Time) int64

ElapsedMillisSeconds 计算时间差 @Description: @param start @return int64

func FileLocker

func FileLocker(f *os.File) error

FileLocker add next time

@Description:
@param f
@return error

func FileUnLocker

func FileUnLocker(f *os.File) error

FileUnLocker add next time

@Description:
@param f
@return error

func PathExists

func PathExists(path string) (bool, error)

PathExists 判断path是否存在 @Description: @param path @return bool @return error