1 /*

     2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * Name        : TTCPMsgState.h

    16 * Part of     : ConnectionMgr

    17 * Version     : SIP/4.0

    18 *

    19 */

    20 

    21 

    22 

    23 

    24 /**

    25  @internalComponent

    26 */

    27 

    28 #ifndef __TTCPMSGSTATE_H__

    29 #define __TTCPMSGSTATE_H__

    30 

    31 // INCLUDES

    32 #include <e32base.h>

    33 

    34 

    35 // FORWARD DECLARATIONS

    36 class MMsgAssemblerContext;

    37 

    38 /*

    39  * Base class for all TCP message states.

    40  */

    41 class TTCPMsgState 

    42 	{

    43 public:

    44 	virtual ~TTCPMsgState() {};

    45 

    46 protected:

    47 

    48 	TTCPMsgState(MMsgAssemblerContext& aMsgAssembler);

    49 

    50 public:

    51 

    52 	virtual void DataReceivedL( TPtr8 aData, TUint& aNextLength ) = 0;

    53 

    54 protected:

    55 

    56    /**

    57     * find first sip message start position from the parameter data,

    58     * 

    59     * @param aData TCP messages data received.

    60     * @return sip message header start postion if it could be found,

    61     *         otherwise KErrNotFound. 

    62     */

    63     TInt FindHeaderStartPosition( TDesC8& aData ); 

    64     

    65    /**

    66     * find first sip message end position from the parameter data,

    67     * 

    68     * @param aData TCP messages data received.

    69     * @return sip message header end postion if it could be found,

    70     *         otherwise KErrNotFound. 

    71     */

    72     TInt FindHeaderEndPosition( TDesC8& aData );  

    73     

    74    /** get header end position by compare it with the new header end

    75 	* position currentlly found.

    76 	*/

    77 	void GetHeaderPartEndPosition ( TInt  aEndMarkPosition, 

    78 		                            TInt  aEndMarkLength,  

    79 		                            TInt& aHeaderEndPosition );         

    80     

    81 protected:

    82     MMsgAssemblerContext& iMsgAssembler;

    83     

    84 #ifdef CPPUNIT_TEST

    85     friend class CTCPMsgStatesTest;

    86 #endif

    87 	};

    88 

    89 #endif // end of __TTCPMSGSTATE_H__

    90 

    91 // end of file