Пример #1
0
// GenerateRandomAlphaOnlyString generates an alphabetical random string with length n.
func GenerateRandomAlphaOnlyString(n int) string {
	// make a really long string
	letters := []byte("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
	b := make([]byte, n)
	r := rand.New(random.NewSource())
	for i := range b {
		b[i] = letters[r.Intn(len(letters))]
	}
	return string(b)
}
Пример #2
0
		"wilson",

		// Steve Wozniak invented the Apple I and Apple II. https://en.wikipedia.org/wiki/Steve_Wozniak
		"wozniak",

		// The Wright brothers, Orville and Wilbur - credited with inventing and building the world's first successful airplane and making the first controlled, powered and sustained heavier-than-air human flight - https://en.wikipedia.org/wiki/Wright_brothers
		"wright",

		// Rosalyn Sussman Yalow - Rosalyn Sussman Yalow was an American medical physicist, and a co-winner of the 1977 Nobel Prize in Physiology or Medicine for development of the radioimmunoassay technique. https://en.wikipedia.org/wiki/Rosalyn_Sussman_Yalow
		"yalow",

		// Ada Yonath - an Israeli crystallographer, the first woman from the Middle East to win a Nobel prize in the sciences. https://en.wikipedia.org/wiki/Ada_Yonath
		"yonath",
	}

	rnd = rand.New(random.NewSource())
)

// GetRandomName generates a random name from the list of adjectives and surnames in this package
// formatted as "adjective_surname". For example 'focused_turing'. If retry is non-zero, a random
// integer between 0 and 10 will be added to the end of the name, e.g `focused_turing3`
func GetRandomName(retry int) string {
begin:
	name := fmt.Sprintf("%s_%s", left[rnd.Intn(len(left))], right[rnd.Intn(len(right))])
	if name == "boring_wozniak" /* Steve Wozniak is not boring */ {
		goto begin
	}

	if retry > 0 {
		name = fmt.Sprintf("%s%d", name, rnd.Intn(10))
	}
Пример #3
0
package ioutils

import (
	"bytes"
	"crypto/sha256"
	"encoding/hex"
	"io"
	"math/rand"
	"sync"
	"time"

	"github.com/docker/docker/pkg/random"
)

var rndSrc = random.NewSource()

type readCloserWrapper struct {
	io.Reader
	closer func() error
}

func (r *readCloserWrapper) Close() error {
	return r.closer()
}

// NewReadCloserWrapper returns a new io.ReadCloser.
func NewReadCloserWrapper(r io.Reader, closer func() error) io.ReadCloser {
	return &readCloserWrapper{
		Reader: r,
		closer: closer,
	}