websocket

type Client struct {
	GroupName string
	Group     GroupAPI

	// The websocket connection.
	Conn *websocket.Conn
	// Buffered channel of outbound messages.
	Send chan []byte
	// contains filtered or unexported fields
}

type GroupAPI interface {
	Register(cli *Client)
	UnRegister(cli *Client)
	SendMsg(msg []byte)
}

type GroupExtData struct {
	CloseSendData interface{}
	CloseCallback func(data interface{})
	ReceiveMsg    func(msg []byte) []byte
}