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Merge pull request #19 from nishaad78/monotonic_clock

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Optimize monotonic clock code
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Skippy 2019-04-11 15:57:57 -05:00 committed by GitHub
commit 7dcf86e66a
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1 changed files with 6 additions and 6 deletions
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12
snowflake.go
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@ -79,7 +79,7 @@ var ErrInvalidBase32 = errors.New("invalid base32")
type Node struct {
mu sync.Mutex
epoch time.Time
time time.Duration
time int64
node int64
step int64
@ -132,14 +132,14 @@ func (n *Node) Generate() ID {
n.mu.Lock()
now := time.Since(n.epoch)
now := time.Since(n.epoch).Nanoseconds() / 1000000
if now-n.time < time.Millisecond {
if now == n.time {
n.step = (n.step + 1) & n.stepMask
if n.step == 0 {
for now-n.time < time.Millisecond {
now = time.Since(n.epoch)
for now <= n.time {
now = time.Since(n.epoch).Nanoseconds() / 1000000
}
}
} else {
@ -148,7 +148,7 @@ func (n *Node) Generate() ID {
n.time = now
r := ID((now.Nanoseconds()/1000000)<<n.timeShift |
r := ID((now)<<n.timeShift |
(n.node << n.nodeShift) |
(n.step),
)