ctx:       ctx,
		cancel:    cancel,
		parent:    c,
		LastPing:  time.Now().Unix(),
		BaseFlags: c.baseFlags,
	}
	go func() {
		// TODO: Handle
	}()

	return &m
}

func newMuxStream(ctx context.Context, msg message, c *Connection, handler StreamHandler) *muxServer {
	var cancel context.CancelFunc
	ctx = setCaller(ctx, c.remote)
	if len(handler.Subroute) > 0 {
		ctx = setSubroute(ctx, handler.Subroute)

			gridLogIf(ctx, c.queueMsg(m, muxConnectError{Error: msg}))
			return
		}

		// Start a new server handler if none exists.
		_, _ = c.inStream.LoadOrCompute(m.MuxID, func() *muxServer {
			return newMuxStream(ctx, m, c, *handler)
		})
	}
}

// handleConnectMuxError when mux connect was rejected.
func (c *Connection) handleConnectMuxError(ctx context.Context, m message) {