utils

func ByteCountDecimal ¶

func ByteCountDecimal(b int64) string

ByteCountDecimal converts bytes to human readable byte string

func ChunkRangesToChunks ¶

func ChunkRangesToChunks(chunkRanges []int64) (chunks []int64)

ChunkRangesToChunks converts chunk ranges to list

func Exists ¶

func Exists(name string) bool

Exists reports whether the named file or directory exists.

func FindOpenPorts ¶

func FindOpenPorts(host string, portNumStart, numPorts int) (openPorts []int)

func GetInput ¶

func GetInput(prompt string) string

GetInput returns the input with a given prompt

func GetLocalIPs ¶

func GetLocalIPs() (ips []string, err error)

GetLocalIPs returns all local ips

func GetRandomName ¶

func GetRandomName() string

GetRandomName returns mnemoicoded random name

func HashFile ¶

func HashFile(fname string) (hash256 []byte, err error)

HashFile returns the hash of a file

func IMOHashFile ¶

func IMOHashFile(fname string) (hash []byte, err error)

IMOHashFile returns imohash

func IsLocalIP ¶

func IsLocalIP(ipaddress string) bool

func LocalIP ¶

func LocalIP() string

LocalIP returns local ip address

func MD5HashFile ¶

func MD5HashFile(fname string) (hash256 []byte, err error)

MD5HashFile returns MD5 hash

func MissingChunks ¶

func MissingChunks(fname string, fsize int64, chunkSize int) (chunkRanges []int64)

MissingChunks returns the positions of missing chunks. If file doesn't exist, it returns an empty chunk list (all chunks). If the file size is not the same as requested, it returns an empty chunk list (all chunks).

func PublicIP ¶

func PublicIP() (ip string, err error)

PublicIP returns public ip address

func RandomFileName ¶

func RandomFileName() (fname string, err error)

func SHA256 ¶

func SHA256(s string) string

SHA256 returns sha256 sum

func XXHashFile ¶

func XXHashFile(fname string) (hash256 []byte, err error)

XXHashFile returns the xxhash of a file