// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 /**

  @file httperr.h

  @warning : This file contains Rose Model ID comments - please do not delete

 */

 #ifndef __HTTPERR_H__

 #define __HTTPERR_H__

 // System includes

 #include <e32std.h>

 //##ModelId=3C4C18750141

 class HTTPStatus

 /** 

 The complete set of HTTP Status codes, as defined in RFC2616.

 @publishedAll

 @released

 */

 	{

 public:

 	enum 

 		{

 		/** 'Informational' range of codes 1xx 

 		*/ 

 		/** Continue.

 		*/

 		EContinue						= 100, 

 		/** Switching Protocols.

 		*/

 		ESwitchingProtocols				= 101,  

 		/** 'Successful' range of codes 2xx 

 		*/

 		/** Ok.

 		*/

 		EOk								= 200,

 		/** Created.

 		*/

 		ECreated						= 201,  

 		/** The entry has been accepted.

 		*/

 		EAccepted						= 202,

 		/** Non-Authoritative Information.

 		*/

 		ENonAuthoritativeInfo			= 203,

 		/** No Content.

 		*/

 		ENoContent						= 204,

 		/** Reset Content.

 		*/

 		EResetContent					= 205, 

 		/** Partial Content.

 		*/

 		EPartialContent					= 206,

 		/** 'Redirection' range of codes 3xx 

 		*/

 		/** Multiple Choices.

 		*/

 		EMultipleChoices				= 300, 

 		/** Moved Permanently.

 		*/

 		EMovedPermanently				= 301,

 		/** Found.

 		Note, this is deprecated in HTTP/1.1 - 307 will be used instead

 		*/

 		EFound							= 302,  

 		/** See Other.

 		*/

 		ESeeOther						= 303,

 		/** Not Modified.

 		*/

 		ENotModified					= 304,

 		/** Use Proxy.

 		*/

 		EUseProxy						= 305,

 		/** Unused.

 		*/

 		EUnused							= 306,

 		/** Temporary Redirect.

 		*/

 		ETemporaryRedirect				= 307,

 		/** 'Client Error' range of codes 4xx 

 		*/

 		/** Bad Request.

 		*/

 		EBadRequest						= 400,

 		/** Unauthorized.

 		*/

 		EUnauthorized					= 401,

 		/** Payment Required. Note, this is reserved in HTTP/1.1

 		*/

 		EPaymentRequired				= 402, 

 		/** Forbidden.

 		*/

 		EForbidden						= 403,

 		/** Not Found.

 		*/

 		ENotFound						= 404,

 		/** Method Not Allowed.

 		*/

 		EMethodNotAllowed				= 405,

 		/** Not Acceptable.

 		*/

 		ENotAcceptable					= 406,

 		/** Proxy Authentication Required.

 		*/

 		EProxyAuthenticationRequired	= 407,

 		/** Request Timeout.

 		*/

 		ERequestTimeout					= 408,

 		/** Conflict.

 		*/

 		EConflict						= 409,

 		/** Gone.

 		*/

 		EGone							= 410,

 		/** Length Required.

 		*/

 		ELengthRequired					= 411,

 		/** Precondition Failed.

 		*/

 		EPreconditionFailed				= 412,

 		/** Request Entity Too Large. 

 		*/

 		ERequestEntityTooLarge			= 413,

 		/** Request-URI Too Long.

 		*/

 		ERequestURITooLong				= 414,

 		/** Unsupported Media Type.

 		*/

 		EUnsupportedMediaType			= 415,

 		/** Requested Range Not Satisfiable.

 		*/

 		ERequestedRangeNotSatisfiable	= 416,

 		/** Expectation Failed.

 		*/

 		EExpectationFailed				= 417,

 		/** 'Server Error' range of codes 5xx 

 		*/

 		/** Internal Server Error.

 		*/

 		EInternalServerError			= 500,

 		/** Not Implemented.

 		*/

 		ENotImplemented					= 501,

 		/** Bad Gateway.

 		*/

 		EBadGateway						= 502,

 		/** Service Unavailable.

 		*/

 		EServiceUnavailable				= 503, 

 		/** Gateway Timeout.

 		*/

 		EGatewayTimeout					= 504,

 		/** HTTP Version Not Supported.

 		*/

 		EHTTPVersionNotSupported		= 505

 		};

 		/** Is the supplied status code in the 1xx Informational range?

 		@param aStatus Is the supplied status code in the 1xx Informational range?

 		@return ETrue if the specified status code is in the 1xx Informational range.

 		##ModelId=3C4C18750162

 		*/

 		inline static TBool IsInformational(TInt aStatus);

 		/** Is the supplied status code in the 2xx Successful range?

 		@param aStatus Is the supplied status code in the 2xx Successful range?

 		@return ETrue if the specified status code is in the 2xx Successful range

 		##ModelId=3C4C18750160

 		*/

 		inline static TBool IsSuccessful(TInt aStatus);

 		/** Is the supplied status code in the 3xx Redirection range? 

 		@param aStatus Is the supplied status code in the 3xx Redirection range?

 		@return	ETrue if the specified status code is in the 3xx Redirection range.

 		##ModelId=3C4C18750159

 		*/

 		inline static TBool IsRedirection(TInt aStatus);

 		/** Is the supplied status code in the 4xx Client Error range? 

 		@param aStatus Is the supplied status code in the 4xx Client Error range?

 		@return ETrue if the specified status code is in the 4xx Client Error range.

 		##ModelId=3C4C18750157

 		*/

 		inline static TBool IsClientError(TInt aStatus);

 		/** Is the supplied status code in the 5xx Server Error range? 

 		@param aStatus Is the supplied status code in the 5xx Server Error range?

 		@return ETrue if the specified status code is in the 5xx Server Error range.

 		##ModelId=3C4C18750155

 		*/

 		inline static TBool IsServerError(TInt aStatus);

 	};

 //

 // HTTP Panic codes

 //

 #include <e32base.h>

 // HTTPPanic::Panic(HTTPPanic:: )

 //##ModelId=3C4C18740352

 class HTTPPanic

 /**

 HTTP panic codes

 @publishedAll

 @released

 */

 	{

 public:

 	enum THTTPPanic

 		{

 		/** RHTTPSession session is already open. ( Panic HTTP-CORE 0 )

 		*/

 		ESessionAlreadyOpen,

 		/** Specified field is missing. ( Panic HTTP-CORE 1 )

 		*/

 		EHeaderFieldMissing,

 		/** Unused. ( Panic HTTP-CORE 2 )

 		*/

 		EHeaderParamMissing,

 		/** Unused. ( Panic HTTP-CORE 3 )

 		*/

 		EHeaderInvalidPart,

 		/** Mismatch between header's type and its attempted use. ( Panic HTTP-CORE 4 )

 		*/

 		EHeaderInvalidType,

 		/** Unused. ( Panic HTTP-CORE 5 )

 		*/

 		ETransactionEventOutstanding,

 		/** A transaction error occurred, and the MHFRunError() in use didn't handle it. ( Panic HTTP-CORE 6 )

 		*/

 		ETransactionUnhandledError,

 		/** Attempted to add a filter while there is a transaction outstanding. ( Panic HTTP-CORE 7 )

 		*/

 		EAddingFilterWithOutstandingTransactions,

 		/** Attempted to add a filter at a position not between the protocol handler and the client. ( Panic HTTP-CORE 8 )

 		*/

 		EFilterInvalidPosition,

 		/** CHTTPEncoder object destroyed without its data being released. ( Panic HTTP-CORE 9 )

 		*/

 		EHTTPFormDataUnreleased,

 		/** CHTTPEncoder object at the wrong state for adding data. ( Panic HTTP-CORE 10 ) 

 		*/

 		EHTTPFormSupplyingData,

 		/** Unused. ( Panic HTTP-CORE 11 )

 		*/

 		EValidationFilterFailure,

 		/** Invalid request data. ( Panic HTTP-CORE 12 )

 		*/

 		EInvalidTxData,

 		/** Invalid response data. ( Panic HTTP-CORE 13 )

 		*/

 		EInvalidRxData,

 		/** Unused. ( Panic HTTP-CORE 14 )

 		*/

 		ENoTransportHandlerSet,

 		/** Unused. ( Panic HTTP-CORE 15 )

 		*/

 		EAuthenticationFilterBadState,

 		/** An invalid filter handle was specified. ( Panic HTTP-CORE 16 )

 		*/

 		EInvalidFilterHandle,

 		/** An invalid event ( Panic HTTP-CORE 17 )

 		*/

 		EInvalidEvent

 		};

 	//##ModelId=3C4C18740366

 	static void Panic(THTTPPanic aPanic);

 	};

 // HTTP external errors/leave codes. Add new sub-ranges at the end; do not insert between the sub-ranges that

 // are already here.  This is to allow a client to reasonably check for errors between two adjacent range

 // base values rather than check for individual codes.

 /**

 Base value for the HTTP error code range (-7200 to -7399)

 @publishedAll

 @released

 */

 const TInt KHttpErrorBase = -7200;

 //

 // Text mode HTTP protocol handler

 //

 /**

 Codec encoding errors for HTTP headers

 @publishedAll

 @released

 */

 const TInt KHttpHeaderEncodeErrorBase = KHttpErrorBase;

 /**

 Error making a default encoding of unrecognised headers

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeDefault			= KHttpHeaderEncodeErrorBase;

 /**

 Error encoding the Accept field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeAccept				= KHttpHeaderEncodeErrorBase - 1; 

 /**

 Error encoding the Accept-Charset field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeAcceptCharset		= KHttpHeaderEncodeErrorBase - 2; 

 /**

 Error encoding a q-value parameter

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeQValue				= KHttpHeaderEncodeErrorBase - 3; 

 /**

 Error encoding the Authorization field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeAuthorization		= KHttpHeaderEncodeErrorBase - 4; 

 /**

 Error encoding Basic credentials

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeBasicAuth			= KHttpHeaderEncodeErrorBase - 5; 

 /**

 Error encoding Digest credentials

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeDigestAuth			= KHttpHeaderEncodeErrorBase - 6; 

 /**

 Error encoding the Connection field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeConnection			= KHttpHeaderEncodeErrorBase - 7; 

 /**

 Error encoding the Content-Length field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeContentLength		= KHttpHeaderEncodeErrorBase - 8; 

 /**

 Error encoding the Content-Type field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeContentType		= KHttpHeaderEncodeErrorBase - 9; 

 /**

 Error encoding the Host field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeHost				= KHttpHeaderEncodeErrorBase - 10;

 /**

 Error encoding the Host field's port parameter

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeHostPort			= KHttpHeaderEncodeErrorBase - 11;

 /**

 Error encoding the Transfer-Encoding field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeTransferEncoding	= KHttpHeaderEncodeErrorBase - 12;

 /**

 Error encoding the User-Agent field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeUserAgent			= KHttpHeaderEncodeErrorBase - 13;

 /**

 Error encoding the Date field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeDate				= KHttpHeaderEncodeErrorBase - 14;

 /**

 Error encoding the Cookie field 

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeCookie				= KHttpHeaderEncodeErrorBase - 15;

 /**

 Error encoding the Cache-Control field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeCacheControl		= KHttpHeaderEncodeErrorBase - 16; 

 /**

 Error encoding the Pragma field 

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodePragma				= KHttpHeaderEncodeErrorBase - 17;

 /**

 Error encoding the if match field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeIfMatch			= KHttpHeaderEncodeErrorBase - 18; 

 /**

 Error encoding the if none match field 

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeIfNoneMatch		= KHttpHeaderEncodeErrorBase - 19;

 /**

 Error encoding the if modified since field 

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeIfModifiedSince	= KHttpHeaderEncodeErrorBase - 20;

 /**

 Error encoding the if unmodified since field 

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeIfUnmodifiedSince	= KHttpHeaderEncodeErrorBase - 21;

 /**

 Error encoding the Cookie2 field 

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeCookie2			= KHttpHeaderEncodeErrorBase - 22;

 /**

 Error encoding the Content-Language field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeContentLanguage	= KHttpHeaderEncodeErrorBase - 23;

 /**

 Error encoding the WWWAuthenticate field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeDoWWWAuthenticate	= KHttpHeaderEncodeErrorBase - 24;

 /**

 Error encoding the Age field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeDoAge				= KHttpHeaderEncodeErrorBase - 25;

 /**

 Error encoding the Vary field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeDoVary				= KHttpHeaderEncodeErrorBase - 26;

 /**

 Error encoding the Content-Language field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeDoContentLanguage	= KHttpHeaderEncodeErrorBase - 27;

 /**

 Error encoding the Content-Encoding field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeContentEncoding	= KHttpHeaderEncodeErrorBase - 28;

 /**

 Error encoding the Content-Location field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeContentLocation	= KHttpHeaderEncodeErrorBase - 29;

 /**

 Error encoding the Content-MD5 field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeContentMD5			= KHttpHeaderEncodeErrorBase - 30;

 /**

 Error encoding the Accept-Encoding field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeAcceptLanguage		= KHttpHeaderEncodeErrorBase - 31;

 /**

 Error encoding the Accept-Language field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeAcceptEncoding		= KHttpHeaderEncodeErrorBase - 32;

 /**

 Error encoding the TE field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeTE					= KHttpHeaderEncodeErrorBase - 33;

 /**

 Error encoding the Upgrade field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeUpgrade			= KHttpHeaderEncodeErrorBase - 34;

 /**

 Error encoding the ST field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeST			= KHttpHeaderEncodeErrorBase - 35;

 /**

 Error encoding the USN field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeUSN			= KHttpHeaderEncodeErrorBase - 36;

 /**

 Error encoding the Timeout field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeTimeout			= KHttpHeaderEncodeErrorBase - 37;

 /**

 Error encoding the EXT field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeExt			= KHttpHeaderEncodeErrorBase - 38;

 /**

 Error encoding the SID field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeSID			= KHttpHeaderEncodeErrorBase - 39;

 /**

 Error encoding the NTS field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeNTS			= KHttpHeaderEncodeErrorBase - 40;

 /**

 Error encoding the NT field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeNT			= KHttpHeaderEncodeErrorBase - 41;

 /**

 Error encoding the MX field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeMX			= KHttpHeaderEncodeErrorBase - 42;

 /**

 Error encoding the SEQ field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeSEQ			= KHttpHeaderEncodeErrorBase - 43;

 /**

 Error encoding the MAN field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeMAN			= KHttpHeaderEncodeErrorBase - 44;

 /**

 Error encoding the SoapAction field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeSoapAction			= KHttpHeaderEncodeErrorBase - 45;

 /**

 Error encoding the Callback field

 @publishedAll

 @released

 */

 const TInt KErrHttpEncodeCallback			= KHttpHeaderEncodeErrorBase - 46;

 /**

 Codec decoding errors for values found in HTTP headers

 @publishedAll

 @released

 */

 const TInt KHttpValueDecodeErrorBase = KHttpErrorBase - 60;

 /**

 General formatting error for date values

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedDate		= KHttpValueDecodeErrorBase;	 

 /**

 Malformed year

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedYear 		= KHttpValueDecodeErrorBase - 1; 

 /**

 Malformed short month name

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedMonth		= KHttpValueDecodeErrorBase - 2; 

 /**

 Malformed number of day in month

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedDay		= KHttpValueDecodeErrorBase - 3; 

 /**

 Malformed short day name

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedWkDay		= KHttpValueDecodeErrorBase - 4; 

 /**

 Malformed long day name

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedWeekDay	= KHttpValueDecodeErrorBase - 5; 

 /**

 Malformed integer value

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedInteger	= KHttpValueDecodeErrorBase - 6; 

 /**

 Malformed quoted string

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMalformedQuotedStr	= KHttpValueDecodeErrorBase - 7; 

 /**

 Codec decoding errors for HTTP headers

 @publishedAll

 @released

 */

 const TInt KHttpHeaderDecodeErrorBase = KHttpErrorBase - 70;

 /**

 Error decoding the Accept field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeAccept				= KHttpHeaderDecodeErrorBase;

 /**

 Error decoding the Connection field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeConnection			= KHttpHeaderDecodeErrorBase - 1;

 /**

 Error decoding the Content-Length field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeContentLength		= KHttpHeaderDecodeErrorBase - 2;

 /**

 Error decoding the Content-Type field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeContentType		= KHttpHeaderDecodeErrorBase - 3;

 /**

 Error decoding the Transfer-Encoding field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeTransferEncoding	= KHttpHeaderDecodeErrorBase - 4;

 /**

 Error decoding the WWWAuthenticate field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeWWWAuthenticate	= KHttpHeaderDecodeErrorBase - 5;

 /**

 The WWWAuthenticate field contained an unrecognised authentication scheme

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeUnknownAuthScheme	= KHttpHeaderDecodeErrorBase - 6;

 /**

 Error decoding a Basic WWWAuthenticate challenge

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeBasicAuth			= KHttpHeaderDecodeErrorBase - 7;

 /**

 Error decoding a Digest WWWAuthenticate challenge

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeDigestAuth			= KHttpHeaderDecodeErrorBase - 8;

 /**

 Error decoding a Set-Cookie field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeCookie				= KHttpHeaderDecodeErrorBase - 9;

 /**

 Error decoding the Authorization field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeAuthorization		= KHttpHeaderDecodeErrorBase - 10;

 /**

 Error decoding the Accept-Charset field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeAcceptCharset		= KHttpHeaderDecodeErrorBase - 11;

 /**

 Error decoding the Accept-Language field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeAcceptLanguage		= KHttpHeaderDecodeErrorBase - 12;

 /**

 Error decoding the Accept-Encoding field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeAcceptEncoding		= KHttpHeaderDecodeErrorBase - 13;

 /**

 Error decoding the TE field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeTE					= KHttpHeaderEncodeErrorBase - 14;

 /**

 Error decoding the Expect field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeExpect				= KHttpHeaderEncodeErrorBase - 15;

 /**

 Error decoding the Content-Disposition field

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeContentDisposition	= KHttpHeaderDecodeErrorBase - 14;

 /**

 Error decoding the MAN field.

 @publishedAll

 @released

 */

 const TInt KErrHttpDecodeMAN	=	KHttpHeaderDecodeErrorBase - 15;

 /**

 Response errors. These represent specific failure cases

 @publishedAll

 @released

 */

 const TInt KErrHttpResponseFailureBase = KHttpErrorBase - 100;

 /**

 A uri redirected too many times, possibly indicating a circular redirection

 @publishedAll

 @released

 */

 const TInt KErrHttpRedirectExceededLimit		= KErrHttpResponseFailureBase;	  

 /**

 A server responded that the uri must be fetched via a proxy

 @publishedAll

 @released

 */

 const TInt KErrHttpRedirectUseProxy				= KErrHttpResponseFailureBase - 1;

 /**

 A server sent a redirection response that did not include a Location header

 @publishedAll

 @released

 */

 const TInt KErrHttpRedirectNoLocationField		= KErrHttpResponseFailureBase - 2;

 /**

 An error occured in parsing which left the parser in a unknown state

 @publishedAll

 @released

 */

 const TInt KErrHttpUnknownParseState			= KErrHttpResponseFailureBase - 3;

 /**

 Request building errors: cause the Validation Filter to make a transaction fail and terminate 

 @publishedAll

 @released

 */

 const TInt KErrHttpReqBuildErrorBase = KHttpErrorBase - 130;

 /**

 A body is provided with a method that doesn't allow bodys to be transmitted

 @publishedAll

 @released

 */

 const TInt KErrHttpRequestHasBody					= KErrHttpReqBuildErrorBase;	

 /**

 A body is missing from a method that requires it

 @publishedAll

 @released

 */

 const TInt KErrHttpRequestBodyMissing				= KErrHttpReqBuildErrorBase - 1;			

 /**

 Should contain The Max-Forward header

 @publishedAll

 @released

 */

 const TInt KErrHttpTraceReqWithoutMaxForwardHeader	= KErrHttpReqBuildErrorBase - 2;

 /**

 Body must NOT be sent chunked if using HTTP/1.0

 @publishedAll

 @released

 */

 const TInt KErrHttpPostReqBodyWithoutSizeOnHTTP10	= KErrHttpReqBuildErrorBase - 3;

 /**

 Request contained a response header or a entity header but no body

 @publishedAll

 @released

 */

 const TInt KErrHttpInvalidHeaderInRequest	  		= KErrHttpReqBuildErrorBase - 4;

 /**

 Missing but required header errors

 @publishedAll

 @released

 */

 const TInt KErrHttpMissingHeaderBase = KHttpErrorBase - 160;

 /**

 A body was provided in the request but no Content-Type header was set

 @publishedAll

 @released

 */

 const TInt KErrHttpEntityHeaderMissingContentType		= KErrHttpMissingHeaderBase;	

 /**

 The request URI was relative, but no Host header was set to indicate a server to connect to

 @publishedAll

 @released

 */

 const TInt KErrHttpGeneralHeaderMissingHost				= KErrHttpMissingHeaderBase - 1;

 /**

 Protocol handler errors

 @publishedAll

 @released

 */

 const TInt KErrHttpProtocolHandlerBase = KHttpErrorBase - 170;

 /**

 The request body needed to be rewound but the client but it doesn't support 

 @publishedAll

 @released

 */

 const TInt KErrHttpCantResetRequestBody				= KErrHttpProtocolHandlerBase;

 /**

 The Protocol handler is not initialised

 @publishedAll

 @released

 */

 const TInt KErrHttpProtTransactionNotInitialised	= KErrHttpProtocolHandlerBase -1;

 /**

 Unable to establish a tunnel.

 @publishedAll

 @released

 */

 const TInt KErrHttpCannotEstablishTunnel			= KErrHttpProtocolHandlerBase -2;

 /**

 Invalid URI

 @publishedAll

 @released

 */

 const TInt KErrHttpInvalidUri						= KErrHttpProtocolHandlerBase -3;

 /**

 Protocol handler experienced a non-pipelining error

 @publishedAll

 @released

 */

 const TInt KErrHttpNonPipeliningError				= KErrHttpProtocolHandlerBase -4;

 /**

 Protocol handler experienced a pipelining error

 @publishedAll

 @released

 */

 const TInt KErrHttpPipeliningError					= KErrHttpProtocolHandlerBase -5;

 /**

 The request has been not sent for the transaction and connection has been disconnected. 

 This error will be propagated to the client only, if the HTTP:ENotifyOnDisconnect property 

 is set with a value HTTP::EEnableDisconnectNotification

 @publishedAll

 @released

 */

 const TInt KErrHttpRequestNotSent 					= KErrHttpProtocolHandlerBase -6;

 /**

 The response has been not received for the transaction and connection has been disconnected. 

 This error will be propagated to the client only, if the HTTP:ENotifyOnDisconnect property is 

 set with a value HTTP::EEnableDisconnectNotification

 @publishedAll

 @released

 */

 const TInt KErrHttpResponseNotReceived				= KErrHttpProtocolHandlerBase -7;

 /**

 Partial response has been received and connection has been disconnected. This error will be 

 propagated to the client only, if the HTTP:ENotifyOnDisconnect property is set with a value

 HTTP::EEnableDisconnectNotification

 @publishedAll

 @released

 */

 const TInt KErrHttpPartialResponseReceived			= KErrHttpProtocolHandlerBase -8;

 /**

 ClientApplication wants to fail the transaction that was in process by the HTTPMessageParser

 @publishedAll

 @released

 */

 const TInt KErrHttpOptimiserFailsTrans				= KErrHttpProtocolHandlerBase -9;

 // end of error codes - maximum error value is -7399 - must not be exceeded!

 // Inline methods from HTTPStatus

 inline TBool HTTPStatus::IsInformational(TInt aStatus)

 	{ 

 	return ((aStatus >= HTTPStatus::EContinue) && (aStatus < HTTPStatus::EOk));

 	}

 inline TBool HTTPStatus::IsSuccessful(TInt aStatus)

 	{ 

 	return ((aStatus >= HTTPStatus::EOk) && (aStatus < HTTPStatus::EMultipleChoices));

 	}

 inline TBool HTTPStatus::IsRedirection(TInt aStatus)

 	{

 	return ((aStatus >= HTTPStatus::EMultipleChoices) && (aStatus < HTTPStatus::EBadRequest));

 	}

 inline TBool HTTPStatus::IsClientError(TInt aStatus)

 	{

 	return ((aStatus >= HTTPStatus::EBadRequest) && (aStatus < HTTPStatus::EInternalServerError));

 	}

 inline TBool HTTPStatus::IsServerError(TInt aStatus)

 	{

 	return (aStatus >= HTTPStatus::EInternalServerError);

 	}

 #endif // __HTTPERR_H__