1 // Copyright (c) 2006-2009 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 "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalComponent

    19 */

    20 

    21 #ifndef CMTPSESSION_H

    22 #define CMTPSESSION_H

    23 

    24 #include <e32base.h>

    25 #include <mtp/mmtpsession.h>

    26 #include <mtp/tmtptyperequest.h>

    27 #include <mtp/tmtptypeevent.h>

    28 

    29 #include "mtpdebug.h"

    30 

    31 /** 

    32 Implements the session level portion of the MTP communication model. It also 

    33 implements the data provider layer MTP session interface (@see MMTPSession).

    34 @internalComponent

    35  

    36 */

    37 class CMTPSession : 

    38     public CBase,

    39     public MMTPSession

    40     {

    41 public:

    42 

    43     static CMTPSession* NewLC(TUint32 aMTPId, TUint aUniqueId);

    44     ~CMTPSession();    

    45     

    46     TUint32 ExpectedTransactionId() const;

    47     void IncrementExpectedTransactionId();

    48     

    49     void SetActiveRequestL(const TMTPTypeRequest& aRequest);

    50     void SetTransactionPhase(TMTPTransactionPhase aPhase);

    51     TMTPTransactionPhase TransactionPhase() const;

    52     TInt RouteRequest(const TMTPTypeRequest& aRequest);

    53     void RouteRequestRegisterL(const TMTPTypeRequest& aRequest, TInt aDpId);

    54     TBool RouteRequestRegistered(TUint16 aOpCode) const;

    55     void RouteRequestUnregister(const TMTPTypeRequest& aRequest);

    56     TBool CheckPendingEvent(const TMTPTypeRequest& aRequest) const;

    57     void StorePendingEventL(const TMTPTypeEvent& aEvent);

    58     const TMTPTypeEvent& PendingEvent() const;

    59     

    60     void CompletePendingRequest(TInt aErr);

    61     TBool RequestPending() const;

    62     void SetRequestPending(TRequestStatus& aStatus);

    63 

    64 public: // From MMTPSession

    65 

    66     const TMTPTypeRequest& ActiveRequestL() const;

    67     TUint32 SessionMTPId() const;

    68     TUint SessionUniqueId() const;

    69     TAny* GetExtendedInterface(TUid aInterfaceUid);

    70     

    71 private:

    72 

    73     CMTPSession(TUint32 aMTPId, TUint aUniqueId);

    74     void ConstructL();

    75     

    76     static TBool RouteRequestMatchOpCode(const TUint16* aOpCode, const TMTPTypeRequest& aRequest);

    77     static TInt RouteRequestOrder(const TMTPTypeRequest& aLeft, const TMTPTypeRequest& aRight);

    78     

    79 private: // Owned

    80 

    81     /**

    82     FLOGGER debug trace member variable.

    83     */

    84     __FLOG_DECLARATION_MEMBER_MUTABLE;

    85 

    86     TUint32                 iExpectedTransactionId;

    87     TUint32                 iIdMTP;

    88     TUint                   iIdUnique;

    89     TMTPTransactionPhase    iTransactionPhase;

    90     RArray<TMTPTypeRequest> iRoutingRegistrations;

    91     TAny*                   iExtendedInterface;

    92     TMTPTypeEvent           iPendingEvent;

    93     TMTPTypeRequest         iActiveRequest;

    94     

    95 private: // Not owned

    96 

    97     TRequestStatus*         iRequestStatus;

    98     };

    99 

   100 #endif // CMTPSESSION_H