helpers

Documentation

Overview

Package helpers contains some basic helper functions for stark.

Index

• func CheckDir(dir string) error
• func CheckFileExists(filename string) bool
• func CheckTimeStamp(old, new *timestamppb.Timestamp) bool
• func IsPublicIPv4(ip net.IP) bool
• func StdinAvailable() bool

Functions

func CheckDir

func CheckDir(dir string) error

CheckDir is a function to check that a directory exists and tries to make it if it doesn't.

func CheckFileExists

func CheckFileExists(filename string) bool

CheckFileExists checks a returns true if a file exists and is not a directory.

func CheckTimeStamp

func CheckTimeStamp(old, new *timestamppb.Timestamp) bool

CheckTimeStamp will return true if the new protobuf timestamp is more recent than the old one.

func IsPublicIPv4

func IsPublicIPv4(ip net.IP) bool

IsPublicIPv4 returns true if the given ip is not reserved for a private address. of course, this only implies that it _might_ be public https://stackoverflow.com/a/41670589

func StdinAvailable

func StdinAvailable() bool

StdinAvailable checks if STDIN is available for reading.