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 //

    15 

    16 

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21  @released

    22 */

    23 

    24 #ifndef CS_API_EXT_H

    25 #define CS_API_EXT_H

    26 

    27 #include <es_sock.h>

    28 #include <comms-infras/api_ext_list.h>

    29 #include <comms-infras/trbuf.h>

    30 

    31 class CCommsApiExtReqMsg;

    32 class CCommsApiExtRespMsg;

    33 

    34 class RCommsApiExtensionBase

    35 /**

    36 Base class for Comms API extensions.

    37 

    38 @internalTechnology

    39 @released

    40 */

    41 	{

    42 protected:

    43 	IMPORT_C explicit RCommsApiExtensionBase();

    44 	IMPORT_C TInt Open(RCommsSubSession& aExtensionProvider, TSupportedCommsApiExt aInterfaceId);

    45 	IMPORT_C void Close();

    46 	IMPORT_C void SendRequest(CCommsApiExtReqMsg& aRequestMsg, TDes8& aResponseBuf, TRequestStatus& aStatus);

    47 	IMPORT_C void SendMessage(CCommsApiExtReqMsg& aRequestMsg);

    48 

    49 protected:

    50 	RCommsSubSession iSubSession;

    51 	TSupportedCommsApiExt iInterfaceId;

    52 

    53 private:

    54 	RPointerArray<Elements::TRBuf8> iBuffers;

    55 	};

    56 

    57 template<TSupportedCommsApiExt T>

    58 class RCommsApiExtension : public RCommsApiExtensionBase

    59 /**

    60 Comms API extensions template. New extension APIs may derive from this template.

    61 

    62 @internalTechnology

    63 @released

    64 */

    65 	{

    66 public:

    67 	inline TInt Open(RCommsSubSession& aExtensionProvider);

    68 	};

    69 

    70 template<TSupportedCommsApiExt T>

    71 TInt RCommsApiExtension<T>::Open(RCommsSubSession& aExtensionProvider)

    72 	{

    73 	return RCommsApiExtensionBase::Open(aExtensionProvider,T);

    74 	}

    75 

    76 #endif // CS_API_EXT_H