}
		}
		c.connChange.L.Unlock()
		if len(queue) == 0 {
			// Send single message without merging.
			err := wsw.writeMessage(&buf, c.side, ws.OpBinary, toSend)
			if err != nil {
				if !xnet.IsNetworkOrHostDown(err, true) {
					gridLogIf(ctx, fmt.Errorf("ws writeMessage: %w", err))
				}
				return
			}
			PutByteBuffer(toSend)

			if !writeBuffer() {
				return
			}

		}
		if b, err := resp.MarshalMsg(nil); err == nil {
			msg := message{
				Op:      OpConnectResponse,
				Payload: b,
			}
			if b, err := msg.MarshalMsg(nil); err == nil {
				wsutil.WriteMessage(conn, ws.StateServerSide, ws.OpBinary, b)
			}
		}
	}
	defer conn.Close()
	if debugPrint {
		fmt.Printf("grid: Upgraded request: %v\n", remoteAddr)
	}

	msg, _, err := wsutil.ReadClientData(conn)