source-engine/public/steam/steamhttpenums.h

//====== Copyright <EFBFBD> 1996-2010, Valve Corporation, All rights reserved. =======
//
// Purpose: HTTP related enums, stuff that is shared by both clients and servers, and our
// UI projects goes here.
//
//=============================================================================

#ifndef STEAMHTTPENUMS_H
#define STEAMHTTPENUMS_H
#ifdef _WIN32
#pragma once
#endif

// HTTP related types

// This enum is used in client API methods, do not re-number existing values.
enum EHTTPMethod
{
	k_EHTTPMethodInvalid = 0,
	k_EHTTPMethodGET,
	k_EHTTPMethodHEAD,
	k_EHTTPMethodPOST,
	k_EHTTPMethodPUT,
	k_EHTTPMethodDELETE,
	k_EHTTPMethodOPTIONS,

	// The remaining HTTP methods are not yet supported, per rfc2616 section 5.1.1 only GET and HEAD are required for 
	// a compliant general purpose server.  We'll likely add more as we find uses for them.

	// k_EHTTPMethodTRACE,
	// k_EHTTPMethodCONNECT
};


// HTTP Status codes that the server can send in response to a request, see rfc2616 section 10.3 for descriptions
// of each of these.
enum EHTTPStatusCode
{
	// Invalid status code (this isn't defined in HTTP, used to indicate unset in our code)
	k_EHTTPStatusCodeInvalid =					0,

	// Informational codes
	k_EHTTPStatusCode100Continue =				100,
	k_EHTTPStatusCode101SwitchingProtocols =	101,

	// Success codes
	k_EHTTPStatusCode200OK =					200,
	k_EHTTPStatusCode201Created =				201,
	k_EHTTPStatusCode202Accepted =				202,
	k_EHTTPStatusCode203NonAuthoritative =		203,
	k_EHTTPStatusCode204NoContent =				204,
	k_EHTTPStatusCode205ResetContent =			205,
	k_EHTTPStatusCode206PartialContent =		206,

	// Redirection codes
	k_EHTTPStatusCode300MultipleChoices =		300,
	k_EHTTPStatusCode301MovedPermanently =		301,
	k_EHTTPStatusCode302Found =					302,
	k_EHTTPStatusCode303SeeOther =				303,
	k_EHTTPStatusCode304NotModified =			304,
	k_EHTTPStatusCode305UseProxy =				305,
	//k_EHTTPStatusCode306Unused =				306, (used in old HTTP spec, now unused in 1.1)
	k_EHTTPStatusCode307TemporaryRedirect =		307,

	// Error codes
	k_EHTTPStatusCode400BadRequest =			400,
	k_EHTTPStatusCode401Unauthorized =			401, // You probably want 403 or something else. 401 implies you're sending a WWW-Authenticate header and the client can sent an Authorization header in response.
	k_EHTTPStatusCode402PaymentRequired =		402, // This is reserved for future HTTP specs, not really supported by clients
	k_EHTTPStatusCode403Forbidden =				403,
	k_EHTTPStatusCode404NotFound =				404,
	k_EHTTPStatusCode405MethodNotAllowed =		405,
	k_EHTTPStatusCode406NotAcceptable =			406,
	k_EHTTPStatusCode407ProxyAuthRequired =		407,
	k_EHTTPStatusCode408RequestTimeout =		408,
	k_EHTTPStatusCode409Conflict =				409,
	k_EHTTPStatusCode410Gone =					410,
	k_EHTTPStatusCode411LengthRequired =		411,
	k_EHTTPStatusCode412PreconditionFailed =	412,
	k_EHTTPStatusCode413RequestEntityTooLarge =	413,
	k_EHTTPStatusCode414RequestURITooLong =		414,
	k_EHTTPStatusCode415UnsupportedMediaType =	415,
	k_EHTTPStatusCode416RequestedRangeNotSatisfiable = 416,
	k_EHTTPStatusCode417ExpectationFailed =		417,
	k_EHTTPStatusCode4xxUnknown = 				418, // 418 is reserved, so we'll use it to mean unknown
	k_EHTTPStatusCode429TooManyRequests	=		429,

	// Server error codes
	k_EHTTPStatusCode500InternalServerError =	500,
	k_EHTTPStatusCode501NotImplemented =		501,
	k_EHTTPStatusCode502BadGateway =			502,
	k_EHTTPStatusCode503ServiceUnavailable =	503,
	k_EHTTPStatusCode504GatewayTimeout =		504,
	k_EHTTPStatusCode505HTTPVersionNotSupported = 505,
	k_EHTTPStatusCode5xxUnknown =				599,
};

#endif // STEAMHTTPENUMS_H