utils

Documentation

Index

• func Int31n(n int32) int32
• func RandomPort() (int, error)
• func RandomString(n int) string

Functions

func Int31n

func Int31n(n int32) int32

Int31n returns a pseudo-random int32 in range [0, n).

func RandomPort

func RandomPort() (int, error)

RandomPort() returns a random port to be used with net.Listen(). It's an helper function to register to kontrol before binding to a port. Note that this racy, there is a possibility that someoe binds to the port during the time you get the port and someone else finds it. Therefore use in caution.

func RandomString

func RandomString(n int) string

RandomString returns random string read from crypto/rand.