mirror of
https://github.com/HDT3213/godis.git
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bf7f628810
wip: raft does not care about migrating wip: optimize code wip: raft election wip wip: fix raft leader missing log entries wip fix a dead lock batch set slot route wip: raft persist wip refactor cluster suite remove relay rename relay2 refactor: allow customizing client factory test raft refactor re-balance avoid errors caused by inconsistent status on follower nodes during raft commits test raft election
41 lines
855 B
Go
41 lines
855 B
Go
package utils
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import (
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"math/rand"
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"time"
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)
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var r = rand.New(rand.NewSource(time.Now().UnixNano()))
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var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
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// RandString create a random string no longer than n
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func RandString(n int) string {
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b := make([]rune, n)
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for i := range b {
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b[i] = letters[r.Intn(len(letters))]
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}
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return string(b)
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}
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var hexLetters = []rune("0123456789abcdef")
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func RandHexString(n int) string {
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b := make([]rune, n)
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for i := range b {
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b[i] = hexLetters[r.Intn(len(hexLetters))]
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}
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return string(b)
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}
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// RandIndex returns random indexes to random pick elements from slice
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func RandIndex(size int) []int {
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result := make([]int, size)
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for i := range result {
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result[i] = i
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}
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rand.Shuffle(size, func(i, j int) {
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result[i], result[j] = result[j], result[i]
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})
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return result
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}
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