/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

namespace OpenSim.Framework.Servers.HttpServer
{
    /// <summary>
    /// HTTP status codes (almost) as defined by W3C in http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
    /// </summary>
    public enum OSHttpStatusCode: int
    {
        #region 1xx Informational status codes providing a provisional response.

        /// <summary>
        /// 100 Tells client that to keep on going sending its request
        /// </summary>
        InfoContinue = 100,

        /// <summary>
        /// 101 Server understands request, proposes to switch to different application level protocol
        /// </summary>
        InfoSwitchingProtocols = 101,

        #endregion

        #region 2xx Success codes

        /// <summary>
        /// 200 Request successful
        /// </summary>
        SuccessOk = 200,

        /// <summary>
        /// 201 Request successful, new resource created
        /// </summary>
        SuccessOkCreated = 201,

        /// <summary>
        /// 202 Request accepted, processing still on-going
        /// </summary>
        SuccessOkAccepted = 202,

        /// <summary>
        /// 203 Request successful, meta information not authoritative
        /// </summary>
        SuccessOkNonAuthoritativeInformation = 203,

        /// <summary>
        /// 204 Request successful, nothing to return in the body
        /// </summary>
        SuccessOkNoContent = 204,

        /// <summary>
        /// 205 Request successful, reset displayed content
        /// </summary>
        SuccessOkResetContent = 205,

        /// <summary>
        /// 206 Request successful, partial content returned
        /// </summary>
        SuccessOkPartialContent = 206,

        #endregion

        #region 3xx Redirect code: user agent needs to go somewhere else

        /// <summary>
        /// 300 Redirect: different presentation forms available, take a pick
        /// </summary>
        RedirectMultipleChoices = 300,
        
        /// <summary>
        /// 301 Redirect: requested resource has moved and now lives somewhere else
        /// </summary>
        RedirectMovedPermanently = 301,

        /// <summary>
        /// 302 Redirect: Resource temporarily somewhere else, location might change
        /// </summary>
        RedirectFound = 302,

        /// <summary>
        /// 303 Redirect: See other as result of a POST
        /// </summary>
        RedirectSeeOther = 303,

        /// <summary>
        /// 304 Redirect: Resource still the same as before
        /// </summary>
        RedirectNotModified = 304,

        /// <summary>
        /// 305 Redirect: Resource must be accessed via proxy provided in location field
        /// </summary>
        RedirectUseProxy = 305,

        /// <summary>
        /// 307 Redirect: Resource temporarily somewhere else, location might change
        /// </summary>
        RedirectMovedTemporarily = 307,

        #endregion

        #region 4xx Client error: the client borked the request

        /// <summary>
        /// 400 Client error: bad request, server does not grok what the client wants
        /// </summary>
        ClientErrorBadRequest = 400,

        /// <summary>
        /// 401 Client error: the client is not authorized, response provides WWW-Authenticate header field with a challenge
        /// </summary>
        ClientErrorUnauthorized = 401,

        /// <summary>
        /// 402 Client error: Payment required (reserved for future use)
        /// </summary>
        ClientErrorPaymentRequired = 402,

        /// <summary>
        /// 403 Client error: Server understood request, will not deliver, do not try again.
        ClientErrorForbidden = 403,

        /// <summary>
        /// 404 Client error: Server cannot find anything matching the client request.
        /// </summary>
        ClientErrorNotFound = 404,

        /// <summary>
        /// 405 Client error: The method specified by the client in the request is not allowed for the resource requested
        /// </summary>
        ClientErrorMethodNotAllowed = 405,

        /// <summary>
        /// 406 Client error: Server cannot generate suitable response for the resource and content characteristics requested by the client
        /// </summary>
        ClientErrorNotAcceptable = 406,

        /// <summary>
        /// 407 Client error: Similar to 401, Server requests that client authenticate itself with the proxy first
        /// </summary>
        ClientErrorProxyAuthRequired = 407,

        /// <summary>
        /// 408 Client error: Server got impatient with client and decided to give up waiting for the client's request to arrive
        /// </summary>
        ClientErrorRequestTimeout = 408,

        /// <summary>
        /// 409 Client error: Server could not fulfill the request for a resource as there is a conflict with the current state of the resource but thinks client can do something about this
        /// </summary>
        ClientErrorConflict = 409,

        /// <summary>
        /// 410 Client error: The resource has moved somewhere else, but server has no clue where.
        /// </summary>
        ClientErrorGone = 410,

        /// <summary>
        /// 411 Client error: The server is picky again and insists on having a content-length header field in the request
        /// </summary>
        ClientErrorLengthRequired = 411,

        /// <summary>
        /// 412 Client error: one or more preconditions supplied in the client's request is false
        /// </summary>
        ClientErrorPreconditionFailed = 412,

        /// <summary>
        /// 413 Client error: For fear of reflux, the server refuses to swallow that much data.
        /// </summary>
        ClientErrorRequestEntityToLarge = 413,

        /// <summary>
        /// 414 Client error: The server considers the Request-URI to be indecently long and refuses to even look at it.
        /// </summary>
        ClientErrorRequestURITooLong = 414,

        /// <summary>
        /// 415 Client error: The server has no clue about the media type requested by the client (contrary to popular belief it is not a warez server)
        /// </summary>
        ClientErrorUnsupportedMediaType = 415,

        /// <summary>
        /// 416 Client error: The requested range cannot be delivered by the server.
        /// </summary>
        ClientErrorRequestRangeNotSatisfiable = 416,

        /// <summary>
        /// 417 Client error: The expectations of the client as expressed in one or more Expect header fields cannot be met by the server, the server is awfully sorry about this.
        /// </summary>
        ClientErrorExpectationFailed = 417,

        /// <summary>
        /// 499 Client error: Wildcard error.
        /// </summary>
        ClientErrorJoker = 499,

        #endregion

        #region 5xx Server errors (rare)

        /// <summary>
        /// 500 Server error: something really strange and unexpected happened
        /// </summary>
        ServerErrorInternalError = 500,

        /// <summary>
        /// 501 Server error: The server does not do the functionality required to carry out the client request. not at all. certainly not before breakfast. but also not after breakfast.
        /// </summary>
        ServerErrorNotImplemented = 501,

        /// <summary>
        /// 502 Server error: While acting as a proxy or a gateway, the server got ditched by the upstream server and as a consequence regretfully cannot fulfill the client's request
        /// </summary>
        ServerErrorBadGateway = 502,

        /// <summary>
        /// 503 Server error: Due to unforseen circumstances the server cannot currently deliver the service requested. Retry-After header might indicate when to try again.
        /// </summary>
        ServerErrorServiceUnavailable = 503,

        /// <summary>
        /// 504 Server error: The server blames the upstream server for not being able to deliver the service requested and claims that the upstream server is too slow delivering the goods.
        /// </summary>
        ServerErrorGatewayTimeout = 504,

        /// <summary>
        /// 505 Server error: The server does not support the HTTP version conveyed in the client's request.
        /// </summary>
        ServerErrorHttpVersionNotSupported = 505,

        #endregion
    }
}