Files
nats-server/server/util.go
2013-07-27 23:50:07 -07:00

42 lines
692 B
Go

// Copyright 2012 Apcera Inc. All rights reserved.
package server
import (
"crypto/rand"
"encoding/hex"
"io"
"time"
)
func genId() string {
u := make([]byte, 16)
io.ReadFull(rand.Reader, u)
return hex.EncodeToString(u)
}
// Ascii numbers 0-9
const (
ascii_0 = 48
ascii_9 = 57
)
// parseSize expects decimal positive numbers. We
// return -1 to signal error
func parseSize(d []byte) (n int) {
if len(d) == 0 {
return -1
}
for _, dec := range d {
if dec < ascii_0 || dec > ascii_9 {
return -1
}
n = n*10 + (int(dec) - ascii_0)
}
return n
}
func secondsToDuration(seconds float64) time.Duration {
ttl := seconds * float64(time.Second)
return time.Duration(ttl)
}