1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // This file contains the header file of the Sms socket Buffers.

    15 // 

    16 //

    17 

    18 

    19 

    20 /**

    21  @file

    22 */

    23 

    24 

    25 #if !defined (__SMSUSTRM_H__)

    26 #define __SMSUSTRM_H__

    27 

    28 #if !defined(__E32STD_H__)

    29 #include <e32std.h>

    30 #endif

    31 

    32 #if !defined(__S32BUF_H__)

    33 #include <s32buf.h>

    34 #endif

    35 

    36 #if !defined(__S32STRM_H__)

    37 #include <s32strm.h>

    38 #endif

    39 

    40 

    41 class RSocket;

    42 

    43 /**

    44  *  @publishedAll

    45  *  @released

    46  */

    47 const TInt KSmsMaxSegmentLength=0x100;

    48 

    49 

    50 /**

    51  *  An SMS stream buffer to read and write over a socket.

    52  *  @publishedAll

    53  *  @released 

    54  */

    55 class RSmsSocketBuf : public TStreamBuf

    56 	{

    57 public:

    58 	RSmsSocketBuf(RSocket& aSocket);

    59 private:

    60 // from TStreamBuf

    61 	TInt UnderflowL(TInt aMaxLength);

    62 	void OverflowL();

    63 	void DoSynchL();

    64 private:

    65 	void SocketWriteL();

    66 //

    67 	inline TInt Lag(TRead) const;

    68 	inline TInt Lag(TWrite) const;

    69 private:

    70 	RSocket& iSocket;

    71 	TUint8 iBuffer[KSmsMaxSegmentLength];

    72 	};

    73 

    74 

    75 /**

    76  *  Stream that reads a CSmsMessage object across a socket.

    77  *  @publishedAll

    78  *  @released 

    79  */

    80 class RSmsSocketReadStream : public RReadStream

    81 	{

    82 public:

    83 	IMPORT_C RSmsSocketReadStream(RSocket& aSocket);

    84 private:

    85 	RSmsSocketBuf iBuf;

    86 	};

    87 

    88 /**

    89  *  Stream that writes a CSmsMessage object across a socket.

    90  *  @publishedAll

    91  *  @released 

    92  */

    93 class RSmsSocketWriteStream : public RWriteStream

    94 	{

    95 public:

    96 	IMPORT_C RSmsSocketWriteStream(RSocket& aSocket);

    97 private:

    98 	RSmsSocketBuf iBuf;

    99 	};

   100 

   101 #include "smsustrm.inl"

   102 

   103 #endif // !defined __SMSUSTRM_H__