#if !BESTHTTP_DISABLE_WEBSOCKET

namespace BestHTTP.WebSocket
{
    /// <summary>
    /// http://tools.ietf.org/html/rfc6455#section-7.4.1
    /// </summary>
    public enum WebSocketStausCodes : uint
    {
        /// <summary>
        /// Indicates a normal closure, meaning that the purpose for which the connection was established has been fulfilled.
        /// </summary>
        NormalClosure       = 1000,

        /// <summary>
        /// Indicates that an endpoint is "going away", such as a server going down or a browser having navigated away from a page.
        /// </summary>
        GoingAway           = 1001,

        /// <summary>
        /// Indicates that an endpoint is terminating the connection due to a protocol error.
        /// </summary>
        ProtocolError       = 1002,

        /// <summary>
        /// Indicates that an endpoint is terminating the connection because it has received a type of data it cannot accept
        /// (e.g., an endpoint that understands only text data MAY send this if it receives a binary message).
        /// </summary>
        WrongDataType       = 1003,

        /// <summary>
        /// Reserved. The specific meaning might be defined in the future.
        /// </summary>
        Reserved            = 1004,

        /// <summary>
        /// A reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint.
        /// It is designated for use in applications expecting a status code to indicate that no status code was actually present.
        /// </summary>
        NoStatusCode        = 1005,

        /// <summary>
        /// A reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint.
        /// It is designated for use in applications expecting a status code to indicate that the connection was closed abnormally, e.g., without sending or receiving a Close control frame.
        /// </summary>
        ClosedAbnormally    = 1006,

        /// <summary>
        /// Indicates that an endpoint is terminating the connection because it has received data within a message that was not consistent with the type of the message (e.g., non-UTF-8 [RFC3629] data within a text message).
        /// </summary>
        DataError           = 1007,

        /// <summary>
        /// Indicates that an endpoint is terminating the connection because it has received a message that violates its policy.
        /// This is a generic status code that can be returned when there is no other more suitable status code (e.g., 1003 or 1009) or if there is a need to hide specific details about the policy.
        /// </summary>
        PolicyError         = 1008,

        /// <summary>
        /// Indicates that an endpoint is terminating the connection because it has received a message that is too big for it to process.
        /// </summary>
        TooBigMessage       = 1009,

        /// <summary>
        /// Indicates that an endpoint (client) is terminating the connection because it has expected the server to negotiate one or more extension, 
        /// but the server didn't return them in the response message of the WebSocket handshake.
        /// The list of extensions that are needed SHOULD appear in the /reason/ part of the Close frame. Note that this status code is not used by the server, because it can fail the WebSocket handshake instead.
        /// </summary>
        ExtensionExpected   = 1010,

        /// <summary>
        /// Indicates that a server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request.
        /// </summary>
        WrongRequest        = 1011,

        /// <summary>
        /// A reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint.  It is designated for use in applications expecting a status code to indicate that the connection was closed due to a failure to perform a TLS handshake (e.g., the server certificate can't be verified).
        /// </summary>
        TLSHandshakeError   = 1015
    }
}

#endif