PECengine/PresenceServer2/ServerSrc/CPEngOutGoingTransContainer.cpp
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     1 /*
       
     2 * Copyright (c) 2002 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:  Container of the one outgoing transaction handler
       
    15 *				  It process one handler until it is completed
       
    16 * 				  canceled or some error ocures.
       
    17 * 				  Its completion is signaled to the observer
       
    18 *
       
    19 */
       
    20 
       
    21 
       
    22 
       
    23 // INCLUDE FILES
       
    24 #include    <e32std.h>
       
    25 #include    "CPEngOutGoingTransContainer.h"
       
    26 #include    "MPEngOutgoingTransactionHandler.h"
       
    27 #include    "MPEngPureDataHandler.h"
       
    28 #include	"MPEngHandlerSendData.h"
       
    29 
       
    30 //	Debug prints
       
    31 #include	"PresenceDebugPrint.h"
       
    32 
       
    33 
       
    34 // ============================ MEMBER FUNCTIONS ===============================
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CPEngOutGoingTransContainer::CPEngOutGoingTransContainer
       
    38 // C++ default constructor can NOT contain any code, that
       
    39 // might leave.
       
    40 // -----------------------------------------------------------------------------
       
    41 //
       
    42 CPEngOutGoingTransContainer::CPEngOutGoingTransContainer(
       
    43     MPEngHandlerSendData& aRequestHandler,
       
    44     MPEngPureDataHandler& aPureDataHandler,
       
    45     RPointerArray<MPEngOutgoingTransactionHandler>&
       
    46     aTransactionHandlersArray )
       
    47         : CActive( CActive::EPriorityStandard ),
       
    48         iPureDataHandler( aPureDataHandler ),
       
    49         iRequestHandler( aRequestHandler ),
       
    50         iNewTransactionHandlers( aTransactionHandlersArray )
       
    51 
       
    52     {
       
    53     }
       
    54 
       
    55 // -----------------------------------------------------------------------------
       
    56 // CPEngOutGoingTransContainer::ConstructL
       
    57 // Symbian 2nd phase constructor can leave.
       
    58 // -----------------------------------------------------------------------------
       
    59 //
       
    60 void CPEngOutGoingTransContainer::ConstructL()
       
    61     {
       
    62     // add active object to the active scheduler
       
    63     CActiveScheduler::Add( this );
       
    64     }
       
    65 
       
    66 // -----------------------------------------------------------------------------
       
    67 // CPEngOutGoingTransContainer::NewL
       
    68 // Two-phased constructor.
       
    69 // -----------------------------------------------------------------------------
       
    70 //
       
    71 CPEngOutGoingTransContainer* CPEngOutGoingTransContainer::NewL(
       
    72     MPEngHandlerSendData& aRequestHandler,
       
    73     MPEngPureDataHandler& aPureDataHandler,
       
    74     RPointerArray<MPEngOutgoingTransactionHandler>&
       
    75     aTransactionHandlersArray )
       
    76     {
       
    77     CPEngOutGoingTransContainer* self = NewLC( aRequestHandler,
       
    78                                                aPureDataHandler,
       
    79                                                aTransactionHandlersArray );
       
    80 
       
    81     CleanupStack::Pop( self );
       
    82 
       
    83     return self;
       
    84     }
       
    85 
       
    86 // -----------------------------------------------------------------------------
       
    87 // CPEngOutGoingTransContainer::NewL
       
    88 // Two-phased constructor.
       
    89 // -----------------------------------------------------------------------------
       
    90 //
       
    91 CPEngOutGoingTransContainer* CPEngOutGoingTransContainer::NewLC(
       
    92     MPEngHandlerSendData& aRequestHandler,
       
    93     MPEngPureDataHandler& aPureDataHandler,
       
    94     RPointerArray<MPEngOutgoingTransactionHandler>&
       
    95     aTransactionHandlersArray )
       
    96     {
       
    97     CPEngOutGoingTransContainer* self =
       
    98         new( ELeave ) CPEngOutGoingTransContainer(
       
    99         aRequestHandler,
       
   100         aPureDataHandler,
       
   101         aTransactionHandlersArray );
       
   102 
       
   103     CleanupStack::PushL( self );
       
   104     self->ConstructL();
       
   105     return self;
       
   106     }
       
   107 
       
   108 
       
   109 // Destructor
       
   110 CPEngOutGoingTransContainer::~CPEngOutGoingTransContainer()
       
   111     {
       
   112     PENG_DP( D_PENG_LIT( "CPEngOutGoingTransContainer::~CPEngOutGoingTransContainer()" ) );
       
   113     Cancel();
       
   114     delete iTransactionHandler;
       
   115     }
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // -------- Function from the CActive ------------------------------------------
       
   119 // -----------------------------------------------------------------------------
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CPEngOutGoingTransContainer::StartTransaction
       
   123 // Start performing transaction
       
   124 // (other items were commented in a header).
       
   125 // -----------------------------------------------------------------------------
       
   126 //
       
   127 void CPEngOutGoingTransContainer::StartTransactionL(
       
   128     MPEngOutgoingTransactionHandler* aOutgoingTransaction )
       
   129     {
       
   130     PENG_DP( D_PENG_LIT( "CPEngOutGoingTransContainer::StartTransactionL()" ) );
       
   131     TPtr8 outgoingBuffer( iPureDataHandler.TransferBufferL() );
       
   132     aOutgoingTransaction->RequestL( outgoingBuffer );
       
   133     iTransactionId = iPureDataHandler.SendDataL( iStatus );
       
   134     SetActive();
       
   135     // take ownership of transaction
       
   136     iTransactionHandler = aOutgoingTransaction;
       
   137     }
       
   138 
       
   139 // =============================================================================
       
   140 // ============== Function from the CActive ====================================
       
   141 // =============================================================================
       
   142 
       
   143 // -----------------------------------------------------------------------------
       
   144 // CPEngOutGoingTransContainer::RunL
       
   145 // Handles an active object’s request completion event.
       
   146 // (other items were commented in a header).
       
   147 // -----------------------------------------------------------------------------
       
   148 //
       
   149 void CPEngOutGoingTransContainer::RunL()
       
   150     {
       
   151     // what is necessary depends how request went
       
   152     TInt errCode ( iStatus.Int() );
       
   153     PENG_DP( D_PENG_LIT( "CPEngOutGoingTransContainer::RunL() - result:  %d" ),
       
   154              errCode );
       
   155 
       
   156     switch ( errCode )
       
   157         {
       
   158         case KErrNone:
       
   159             {
       
   160             HBufC8* response = iPureDataHandler.ResponseL( iTransactionId );
       
   161             User::LeaveIfNull( response );
       
   162             CleanupStack::PushL( response );
       
   163             TBool last ( iRequestHandler.LastRunningTransaction() );
       
   164             if ( last )
       
   165                 {
       
   166                 iTransactionHandler->LastRunningTransactionHandler();
       
   167                 }
       
   168             // TO-DO do processing asynchronous
       
   169             iTransactionHandler->ProcessResponseL( *response, iStatus );
       
   170             CleanupStack::PopAndDestroy( response ); // response
       
   171 
       
   172             iTransactionHandler->NewTransactionHandlersL(
       
   173                 iNewTransactionHandlers );
       
   174             if ( iNewTransactionHandlers.Count() != 0 )
       
   175                 {
       
   176                 // new transaction handlers were created, inform RequestHandler
       
   177                 iRequestHandler.CreateNewContainersRunThemL();
       
   178                 }
       
   179 
       
   180             if ( !iTransactionHandler->TransactionCompleted() )
       
   181                 {
       
   182                 // we are not done, just run another round
       
   183                 StartTransactionL( iTransactionHandler );
       
   184                 return;
       
   185                 }
       
   186             break;
       
   187             }
       
   188 
       
   189         default:
       
   190             {
       
   191             // transfer error code
       
   192             iTransactionHandler->ReleaseHandler();
       
   193             }
       
   194         }
       
   195     // Get status and complete container, status ownership transfered
       
   196     CPEngTransactionStatus* status =
       
   197         iTransactionHandler->TransactionResult();
       
   198     iRequestHandler.CompleteTransContainer( this, status, errCode );
       
   199     PENG_DP( D_PENG_LIT( "CPEngOutGoingTransContainer::RunL() - End" ) );
       
   200     }
       
   201 
       
   202 // -----------------------------------------------------------------------------
       
   203 // CPEngOutGoingTransContainer::RunError
       
   204 // Handles a leave occurring in the request completion event handler RunL()
       
   205 // implementation should return KErrNone, if it handles the leave
       
   206 // (other items were commented in a header).
       
   207 // -----------------------------------------------------------------------------
       
   208 //
       
   209 TInt CPEngOutGoingTransContainer::RunError(
       
   210     TInt aError )
       
   211     {
       
   212     // release handler and complete container
       
   213     iTransactionHandler->ReleaseHandler();
       
   214     // Get status and complete container, status ownership transfered
       
   215     CPEngTransactionStatus* status =
       
   216         iTransactionHandler->TransactionResult();
       
   217     iRequestHandler.CompleteTransContainer( this, status, aError );
       
   218     return KErrNone;
       
   219     }
       
   220 
       
   221 // -----------------------------------------------------------------------------
       
   222 // CPEngOutGoingTransContainer::DoCancel
       
   223 // Implements cancellation of an outstanding request.
       
   224 // (other items were commented in a header).
       
   225 // -----------------------------------------------------------------------------
       
   226 //
       
   227 void CPEngOutGoingTransContainer::DoCancel()
       
   228     {
       
   229     PENG_DP( D_PENG_LIT( "CPEngOutGoingTransContainer::DoCancel()" ) );
       
   230     // request was canceled, cancel log in, update state and complete RMessage
       
   231     iPureDataHandler.CancelSending( iTransactionId );
       
   232     iTransactionHandler->ReleaseHandler();
       
   233     // Container is not removed here
       
   234     }
       
   235 
       
   236 //  End of File
       
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