snapshot of https://github.com/centrifugal/centrifugo.git (master, 2026-09-16; blobs > 131072B omitted)

internal/consuming/backoff.go

@@ -0,0 +1,21 @@
+package consuming
+
+import (
+	"math/rand"
+	"time"
+)
+
+const (
+	minBackoffDuration = 10 * time.Millisecond
+	maxBackoffDuration = 5 * time.Second
+)
+
+func getNextBackoffDuration(currentBackoff time.Duration, retries int) time.Duration {
+	if currentBackoff >= maxBackoffDuration {
+		return maxBackoffDuration
+	}
+	//nolint:gosec // it's a jitter.
+	jitter := time.Duration(rand.Int63n(minBackoffDuration.Milliseconds())) * time.Millisecond
+	newBackoff := (minBackoffDuration + jitter) * (1 << retries)
+	return min(newBackoff, maxBackoffDuration)
+}