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 

    22 #ifndef CMTPCONNECTIONMGR_H

    23 #define CMTPCONNECTIONMGR_H

    24 

    25 #include <e32base.h>

    26 #include "mmtpconnectionmgr.h"

    27 #include "mtpdebug.h"

    28 

    29 class CMTPConnection;

    30 class CMTPTransportPlugin;

    31 class MMTPTransportConnection;

    32 

    33 /**

    34 Implements the connection manager singleton. The connection manager is a 

    35 container class responsible for loading, storing, and managing 

    36 @see CMTPTransportPlugin instances. The connection manager uses the ECOM 

    37 framework to load and unload transport plug-ins on demand. 

    38 

    39 The connection manager is not responsible for controlling or scheduling 

    40 transport connections, but is notified by the loaded transport plug-ins as 

    41 @see MMTPTransportConnection instances are created. At which time it will 

    42 create and bind a new @see CMTPConnection instance to the 

    43 @see MMTPTransportConnection instance being registered.

    44 */

    45 class CMTPConnectionMgr : 

    46     public CBase,

    47     public MMTPConnectionMgr

    48     {

    49 public:

    50 

    51     static CMTPConnectionMgr* NewL();

    52     ~CMTPConnectionMgr();

    53     

    54     IMPORT_C CMTPConnection& ConnectionL(TUint aConnectionId) const;

    55     TUint ConnectionCount() const;

    56     CMTPConnection& operator[](TInt aIndex) const;

    57     IMPORT_C void StartTransportL(TUid aTransport);

    58     IMPORT_C void StartTransportL(TUid aTransport, const TAny* aParameter);  

    59     IMPORT_C void QueueTransportL( TUid aTransport, const TAny* aParameter );

    60     IMPORT_C void SetClientSId(TUid aSecureId);  

    61     IMPORT_C void StopTransport(TUid aTransport);

    62     IMPORT_C void StopTransport( TUid aTransport, TBool aByBearer );

    63     IMPORT_C void StopTransports();

    64     IMPORT_C TInt TransportCount() const;

    65     IMPORT_C TUid TransportUid();

    66 	

    67 	    

    68 private: // From MMTPConnectionMgr

    69 

    70     void ConnectionClosed(MMTPTransportConnection& aTransportConnection);

    71     void ConnectionOpenedL(MMTPTransportConnection& aTransportConnection);

    72     TBool DeleteConnection(TUint aConnectionId);

    73     TUid ClientSId();

    74     

    75 private:

    76 

    77     CMTPConnectionMgr();

    78     

    79     TInt ConnectionFind(TUint aConnectionId) const;

    80     static TInt ConnectionOrderCompare(const CMTPConnection& aFirst, const CMTPConnection& aSecond);

    81 

    82     void SuspendTransportL( TUid aTransport );

    83     void UnsuspendTransport( TUid aTransport );

    84     void ResumeSuspendedTransport();

    85     static TInt DoResumeSuspendedTransport( TAny* aSelf );

    86 private:

    87 

    88     RPointerArray<CMTPConnection>   iConnections;

    89     TLinearOrder<CMTPConnection>    iConnectionOrder;

    90     TInt                            iShutdownConnectionIdx;

    91     CMTPTransportPlugin*            iTransport;

    92     TUid                            iTransportUid;

    93     TUint							iTransportCount;

    94     TUid 							iSecureId;

    95     

    96     /**

    97      * Array storing the UIDs of the suspended transport plugins

    98      */

    99     RArray< TUid >                  iSuspendedTransports;

   100     

   101     /**

   102      * Active object which starts suspended transport asynchronously

   103      */

   104     CAsyncCallBack*                 iTransportTrigger;

   105     

   106     /**

   107     FLOGGER debug trace member variable.

   108     */

   109     __FLOG_DECLARATION_MEMBER_MUTABLE;

   110     };

   111 #endif // CMTPCONNECTIONMGR_H