conn.Close()
		c.handleMsgWg.Done()
	}()

	c.connMu.Lock()
	connPingInterval := c.connPingInterval
	c.connMu.Unlock()
	ping := time.NewTicker(connPingInterval)
	pingFrame := message{
		Op:         OpPing,
		DeadlineMS: 5000,
	}

	defer ping.Stop()
	queue := make([][]byte, 0, maxMergeMessages)
	merged := make([]byte, 0, writeBufferSize)
	var queueSize int
	var buf bytes.Buffer