randomly wait to prevent message storm

uniqush · Jun 29, 2014 · 0d7b936 · 0d7b936
1 parent 21f4735
commit 0d7b936
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/srv/apns.go b/srv/apns.go
@@ -503,7 +503,8 @@ func (self *apnsPushService) singlePush(payload, token []byte, expiry uint32, mi
 		conn.Close()
 
 		time.Sleep(sleepTime)
-		sleepTime = sleepTime * 2
+		// randomly wait more time
+		sleepTime += time.Duration(rand.Int63n(int64(sleepTime)))
 		// Let's try another connection to see if we can recover this error
 		conn, err = pool.Get()