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diff --git a/OpenSim/Framework/Servers/OSHttpStatusCodes.cs b/OpenSim/Framework/Servers/OSHttpStatusCodes.cs
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+++ b/OpenSim/Framework/Servers/OSHttpStatusCodes.cs
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+/*
+ * 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 OpenSim 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
+{
+    /// <summary>
+    /// HTTP status codes (almost) as defined by W3C in
+    /// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+    /// </summary>
+    public enum OSHttpStatusCode: int
+    {
+        // 1xx Informational status codes providing a provisional
+        // response.
+        // 100 Tells client that to keep on going sending its request
+        InfoContinue                          = 100,
+        // 101 Server understands request, proposes to switch to different
+        // application level protocol
+        InfoSwitchingProtocols                = 101,
+
+                                              
+        // 2xx Success codes
+        // 200 Request successful
+        SuccessOk                             = 200,
+        // 201 Request successful, new resource created
+        SuccessOkCreated                      = 201,
+        // 202 Request accepted, processing still on-going 
+        SuccessOkAccepted                     = 202,
+        // 203 Request successful, meta information not authoritative
+        SuccessOkNonAuthoritativeInformation  = 203,
+        // 204 Request successful, nothing to return in the body
+        SuccessOkNoContent                    = 204,
+        // 205 Request successful, reset displayed content
+        SuccessOkResetContent                 = 205,
+        // 206 Request successful, partial content returned
+        SuccessOkPartialContent               = 206,
+
+        // 3xx Redirect code: user agent needs to go somewhere else
+        // 300 Redirect: different presentation forms available, take
+        // a pick    
+        RedirectMultipleChoices               = 300,
+        // 301 Redirect: requested resource has moved and now lives
+        // somewhere else
+        RedirectMovedPermanently              = 301,
+        // 302 Redirect: Resource temporarily somewhere else, location
+        // might change
+        RedirectFound                         = 302,
+        // 303 Redirect: See other as result of a POST
+        RedirectSeeOther                      = 303,
+        // 304 Redirect: Resource still the same as before
+        RedirectNotModified                   = 304,
+        // 305 Redirect: Resource must be accessed via proxy provided
+        // in location field
+        RedirectUseProxy                      = 305,
+        // 307 Redirect: Resource temporarily somewhere else, location
+        // might change
+        RedirectMovedTemporarily              = 307,
+                                              
+        // 4xx Client error: the client borked the request
+        // 400 Client error: bad request, server does not grok what
+        // the client wants
+        ClientErrorBadRequest                 = 400,
+        // 401 Client error: the client is not authorized, response
+        // provides WWW-Authenticate header field with a challenge
+        ClientErrorUnauthorized               = 401,
+        // 402 Client error: Payment required (reserved for future use)
+        ClientErrorPaymentRequired            = 402,
+        // 403 Client error: Server understood request, will not
+        // deliver, do not try again.
+        ClientErrorForbidden                  = 403,
+        // 404 Client error: Server cannot find anything matching the
+        // client request. 
+        ClientErrorNotFound                   = 404,
+        // 405 Client error: The method specified by the client in the
+        // request is not allowed for the resource requested
+        ClientErrorMethodNotAllowed           = 405,
+        // 406 Client error: Server cannot generate suitable response
+        // for the resource and content characteristics requested by
+        // the client
+        ClientErrorNotAcceptable              = 406,
+        // 407 Client error: Similar to 401, Server requests that
+        // client authenticate itself with the proxy first
+        ClientErrorProxyAuthRequired          = 407,
+        // 408 Client error: Server got impatient with client and
+        // decided to give up waiting for the client's request to
+        // arrive
+        ClientErrorRequestTimeout             = 408,
+        // 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
+        ClientErrorConflict                   = 409,
+        // 410 Client error: The resource has moved somewhere else,
+        // but server has no clue where.
+        ClientErrorGone                       = 410,
+        // 411 Client error: The server is picky again and insists on
+        // having a content-length header field in the request
+        ClientErrorLengthRequired             = 411,
+        // 412 Client error: one or more preconditions supplied in the
+        // client's request is false
+        ClientErrorPreconditionFailed         = 412,
+        // 413 Client error: For fear of reflux, the server refuses to
+        // swallow that much data.
+        ClientErrorRequestEntityToLarge       = 413,
+        // 414 Client error: The server considers the Request-URI to
+        // be indecently long and refuses to even look at it.
+        ClientErrorRequestURITooLong          = 414,
+        // 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)
+        ClientErrorUnsupportedMediaType       = 415,
+        // 416 Client error: The requested range cannot be delivered
+        // by the server.
+        ClientErrorRequestRangeNotSatisfiable = 416,
+        // 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.
+        ClientErrorExpectationFailed          = 417,
+
+        // 5xx Server errors (rare)
+        // 500 Server error: something really strange and unexpected
+        // happened
+        ServerErrorInternalError              = 500,
+        // 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. 
+        ServerErrorNotImplemented             = 501,
+        // 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
+        ServerErrorBadGateway                 = 502,
+        // 503 Server error: Due to unforseen circumstances the server
+        // cannot currently deliver the service requested. Retry-After
+        // header might indicate when to try again.
+        ServerErrorServiceUnavailable         = 503,
+        // 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.
+        ServerErrorGatewayTimeout             = 504,
+        // 505 Server error: The server does not support the HTTP
+        // version conveyed in the client's request.
+        ServerErrorHttpVersionNotSupported    = 505,
+    }
+}