mmsengine/mmsserver/src/mmsbaseoperation.cpp
changeset 0 72b543305e3a
child 23 238255e8b033
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsengine/mmsserver/src/mmsbaseoperation.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,2123 @@
+/*
+* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   base class for mms operations
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include <logengdurations.h>
+#endif
+#include    <msventry.h>
+#include    <logcli.h>
+#include    <logview.h>
+// socket error when switching to offline mode
+#include    <es_sock.h>
+// Internet error when switching to offline mode
+#include    <inet6err.h>
+#include    <CoreApplicationUIsSDKCRKeys.h>
+#include    <e32property.h> // pubsub
+#include    <connect/sbdefs.h>
+#include    <apgcli.h>  // RApaLsSession
+#include    <fileprotectionresolver.h>
+#include    <mmsvattachmentmanager.h>
+
+#include    "mmsbaseoperation.h"
+#include    "mmsservercommon.h"
+#include    "mmserrors.h"
+#include    "mmssettings.h"
+#include    "mmsserverentry.h"
+#include    "mmssession.h"
+#include    "mmsheaders.h"
+#include    "mmsdecode.h"
+#include    "mmsencode.h"
+#include    "mmsscheduledentry.h"
+#include    "mmslog.h"
+#include    "mmsconninit.h"
+#include    "MmsServerDebugLogging.h"
+#include    "MmsPhoneClient.H"
+#include    "mmscodecdatasupplier.h"
+#include    "mmscodecdatasink.h"
+#include 	"mmsregisteredapplications.h"
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES  
+
+// CONSTANTS
+const TInt KMmsBackupWait = 300000000; // wait for 5min, no more
+const TInt KMmsServerReadyWait = 5000000; // wait for 5 sec for server ready after backup end
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMmsBaseOperation::CMmsBaseOperation
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CMmsBaseOperation::CMmsBaseOperation( RFs& aFs ):CMsgActive( KMmsActiveObjectPriority ),
+iFs( aFs )
+    {
+    // As this class is derived from CBase, all uninitialized variables are set to 0.
+    }
+
+// -----------------------------------------------------------------------------
+// CMmsBaseOperation::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CMmsBaseOperation::ConstructL( CMmsSettings* aMmsSettings )
+    {
+    // Default critical state
+    // If nothing is stored, operations just fall through, and there is no error
+    iCriticalState = EMmsOperationEncodingPDU;
+    iMmsSettings = aMmsSettings;
+
+    // connect to socket to keep connection open as long as we need it
+    TInt error = KErrNone;
+    error = iSocketServ.Connect();
+#ifndef _NO_MMSS_LOGGING_
+    if ( error != KErrNone )
+        {
+        TMmsLogger::Log( _L("BaseOperation: Connect Socket server returned error %d"), error );
+        }
+#endif
+    User::LeaveIfError( error );
+    error = iConnection.Open( iSocketServ );
+#ifndef _NO_MMSS_LOGGING_
+    if ( error != KErrNone )
+        {
+        TMmsLogger::Log( _L("BaseOperation: RConnection::Open returned error %d"), error );
+        }
+#endif
+    User::LeaveIfError( error );
+    iFailed = new( ELeave ) CMsvEntrySelection;
+    iSuccessful = new( ELeave ) CMsvEntrySelection;
+    iResponse = CMmsHeaders::NewL( iMmsSettings->MmsVersion() );
+    iEncoder = CMmsEncode::NewL( iFs );
+    iDecoder = CMmsDecode::NewL( iFs );
+    // expand size is arbitrary. It is not used, we
+    // always allocate the amount we need
+    iEncodeBuffer = CBufFlat::NewL( 0x100 );
+    iMmsSession = CMmsSession::NewL( KMmsActiveObjectPriority, iSocketServ, iConnection );
+    iRemoteParties = new ( ELeave )CDesCArrayFlat( KMmsArrayAllocationNumber );
+    // observe backup/restore event ends
+    iBackupStart = EFalse;
+    iBackupEnd = EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CMmsBaseOperation::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CMmsBaseOperation* CMmsBaseOperation::NewL( RFs& aFs, CMmsSettings* aMmsSettings )
+    {
+    CMmsBaseOperation* self = new( ELeave ) CMmsBaseOperation( aFs );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL( aMmsSettings );
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+    
+// Destructor
+CMmsBaseOperation::~CMmsBaseOperation()
+    {
+    // derived class must cancel.
+	Cancel();		// framework requirement
+    // iSelection, iServerEntry, and iMmsSettings
+    // are not deleted, because they belong to caller
+
+// start of ROAMING CHECK handling
+    delete iPhone;
+// end ROAMING CHECK handling
+    if ( iRemoteParties )
+        {
+        iRemoteParties->Reset();
+        }
+    delete iRemoteParties;
+    delete iEncodeBuffer;
+    delete iFailed;
+    delete iSuccessful;
+    delete iEntryWrapper;
+    delete iUri;
+    delete iResponse;
+    delete iEncoder;
+    delete iDecoder;
+    delete iMmsLog;
+    delete iLogEvent;
+    delete iLogViewEvent;
+    delete iLogClient;
+    delete iMmsSession;
+
+    // connection initiator should be NULL already...
+    delete iConnectionInitiator;
+    delete iIAPArray;
+    iConnection.Close();
+    iSocketServ.Close();
+
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::NetworkOperationsAllowed()
+//
+// ---------------------------------------------------------
+//
+TBool CMmsBaseOperation::NetworkOperationsAllowed()
+    {
+    TBool networkAllowed = ETrue; // optimist
+    // If there is no such key, we will continue normally.
+    // This means that in a system where online/offline mode switching
+    // is not supported, we behave as we were always online
+    
+    CRepository* repository = NULL;
+    TInt error = KErrNone;
+    TInt value = ECoreAppUIsNetworkConnectionAllowed;
+    TRAP( error, repository = CRepository::NewL( KCRUidCoreApplicationUIs ) );
+    if( error == KErrNone )
+        {
+        repository->Get( KCoreAppUIsNetworkConnectionAllowed, value );
+        delete repository;
+        repository = NULL;
+        if ( value == ECoreAppUIsNetworkConnectionNotAllowed )
+            {
+            networkAllowed = EFalse;
+            }
+        }
+
+    return networkAllowed;
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::AllocateTID
+//
+// ---------------------------------------------------------
+//
+TInt64 CMmsBaseOperation::AllocateTID()
+    {
+    TTime currentTime;
+    currentTime.UniversalTime();
+    return currentTime.Int64();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::StartL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::StartL(
+    CMsvEntrySelection& aSelection,
+    CMsvServerEntry& aServerEntry,
+    TMsvId aService,
+    TRequestStatus& aStatus )
+    {
+
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation starting"));
+#endif
+
+    InitializeL( aSelection, aServerEntry, aService );
+
+    if ( iCurrentMessageNo < 1 )
+        {
+        // nothing to send. Give up immediately
+        aStatus = KRequestPending;
+        TRequestStatus* status = &aStatus;
+        User::RequestComplete( status, KErrNotFound );
+        return;
+        }
+
+    // The first thing to do is to encode the first message.
+    // We don't start connecting before we have something to send
+    // We want to minimize the connection time in order to minimize
+    // the probability of the connection being broken.
+
+    // In the connect routine we must check that the connection
+    // exists, and open it if it doesn't
+
+    // the last call in derived class StartL before SetActive() must be Queue.
+    // This will store the caller's status and set it to "request pending" state
+    Queue( aStatus );
+    FallThrough();
+    }
+    
+// ---------------------------------------------------------
+// CMmsBaseOperation::ContainsClosedContent
+//
+// ---------------------------------------------------------
+//
+TInt CMmsBaseOperation::CheckClosedContentL( CMsvServerEntry& aServerEntry, RFs& aFs )
+    {
+    RApaLsSession apaLsSession;
+    TInt err = apaLsSession.Connect();
+    
+    if ( err != KErrNone )
+        {
+        return err;
+        }
+    CleanupClosePushL( apaLsSession );
+    
+    CFileProtectionResolver* fileProt = CFileProtectionResolver::NewLC( aFs );
+        
+    TDataRecognitionResult* dataType = new( ELeave )TDataRecognitionResult;
+    CleanupStack::PushL( dataType );
+        
+    CMsvStore* store = aServerEntry.ReadStoreL();
+    CleanupStack::PushL( store );
+        
+    MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+    
+    TInt attaCount = attachMan.AttachmentCount();
+        
+    TInt i = 0;
+    // we check all attachments, but if we find even one forbidden type, we give up.
+    for ( i = 0; i < attaCount && err == KErrNone; i++ )
+        {
+       	CMsvAttachment* attaInfo =  attachMan.GetAttachmentInfoL( i );
+        RFile file;
+        err = file.Open( aFs, attaInfo->FilePath(), EFileRead|EFileShareReadersOnly );
+        delete attaInfo;
+        attaInfo = NULL;
+        
+        if ( err == KErrNone )
+            {
+            // We continue only if we managed to open the file successfully    
+            CleanupClosePushL( file );
+        
+            err = apaLsSession.RecognizeData( file, *dataType );
+#ifndef _NO_MMSS_LOGGING_
+            if ( err != KErrNone )
+                {
+                TMmsLogger::Log(_L("- Error in recognization of data type"), err );
+                // We assume that the file cannot be closed content, if its type
+                // is not recognized
+                err = KErrNotSupported;
+                }
+            else
+                {
+                HBufC16* buf16 = HBufC16::NewLC( KMaxFileName );
+                TPtrC dummy;
+                TPtr ptr = buf16->Des();
+                file.Name( ptr );
+                // we cannot log indefinitely long strings.
+                // We get this long strings only if the message is corrupted.
+                dummy.Set( ptr.Left( KMmsMaxLogStringLength ) );
+                TMmsLogger::Log( _L("- filename: %S"), &dummy );
+                CleanupStack::PopAndDestroy( buf16 );
+
+                TBuf<KMaxDataTypeLength> buffer;
+                buffer.Copy( dataType->iDataType.Des8() );
+                TMmsLogger::Log(_L("- Data type recognizer result: %S"), &buffer );
+                if ( dataType->iConfidence == CApaDataRecognizerType::ECertain )
+                    {
+                    TMmsLogger::Log(_L("- Confidence level: Certain"));
+                    }
+                else if ( dataType->iConfidence == CApaDataRecognizerType::EProbable )
+                    {
+                    TMmsLogger::Log(_L("- Confidence level: Probable"));
+                    }
+                else if ( dataType->iConfidence == CApaDataRecognizerType::EPossible )
+                    {
+                    TMmsLogger::Log(_L("- Confidence level: Possible"));
+                    }
+                else if ( dataType->iConfidence == CApaDataRecognizerType::EUnlikely )
+                    {
+                    TMmsLogger::Log(_L("- Confidence level: Unlikely"));
+                    }
+                else if ( dataType->iConfidence == CApaDataRecognizerType::ENotRecognized )
+                    {
+                    TMmsLogger::Log(_L("- Confidence level: Not recognized"));
+                    }
+                else
+                    {
+                    TMmsLogger::Log(_L("- Unknown confidence level"));
+                    }
+                }
+#endif
+            // We Must set limit to "possible". The recognition is rather uncertain
+            if ( err == KErrNone && dataType->iConfidence >= CApaDataRecognizerType::EPossible )
+                {
+                TInt pos = 0;
+                file.Seek( ESeekStart, pos ); // rewind just in case
+                TInt prot = fileProt->ProtectionStatusL( file, dataType->iDataType );
+                if ( ( prot & ( EFileProtForwardLocked | EFileProtClosedContent ) ) &&
+                    !( prot & EFileProtSuperDistributable ) )
+                    {
+                    err = KMmsErrorProtectedContent;
+                    }
+                }
+            CleanupStack::PopAndDestroy( &file ); //close file    
+            }
+#ifndef _NO_MMSS_LOGGING_
+        else
+            {
+            TMmsLogger::Log(_L("- Error in opening file for recognization of data type"), err );
+            }
+#endif
+        }
+
+    CleanupStack::PopAndDestroy( store );
+    CleanupStack::PopAndDestroy( dataType );
+    CleanupStack::PopAndDestroy( fileProt );
+        
+    CleanupStack::PopAndDestroy( &apaLsSession ); // close apaSession
+    
+    if ( err == KErrNotSupported )
+        {
+        // the content type was not recognized, we must assume it is not closed content
+        err = KErrNone;
+        }
+    
+    return err;
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::HandleBackupOperationEventL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::HandleBackupOperationEventL(
+    const TBackupOperationAttributes& aBackupOperationAttributes )
+    {
+    switch ( aBackupOperationAttributes.iOperation )
+        {
+        case EStart:
+            iBackupStart = ETrue;
+            iBackupEnd = EFalse;
+#ifndef _NO_MMSS_LOGGING_
+            TMmsLogger::Log(_L("Backup/Restore Start"));
+#endif
+            break;
+        case EEnd:
+        case EAbort:
+            iBackupStart = EFalse;
+            if ( iHaveTimer )
+                {
+                iTimer.Cancel();
+                // Set this to true only if we cancel timer because of backup end
+                iBackupEnd = ETrue;
+                // do not do it twice
+                iDoNotWaitForBackupEnd = ETrue;
+                iMustWait = ETrue;
+                }
+#ifndef _NO_MMSS_LOGGING_
+            if ( aBackupOperationAttributes.iOperation == EEnd )
+                {
+                TMmsLogger::Log(_L("Backup/Restore End"));
+                }
+            else // if not end, then it was abort
+                {
+                TMmsLogger::Log(_L("Backup/Restore Abort"));
+                }
+#endif
+            break;
+        default:
+            break;
+        }
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::RunL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::RunL()
+    {
+    // DoRunL() takes the AO through the states, queuing another
+    // asynch step as required.
+    // if DoRunL() detects the end of the cycle it returns
+    // without queuing another cycle.
+
+    // If Run() would exit without queuing another cycle it reports
+    // completion to the client.
+    // In CMsgActive this is true if the asynch step or DoRunL fails,
+    // or the state cycle is complete
+    // However, we must keep our cycle going in spite of error.
+    // If any step reports an error, we must cleanup the current
+    // operation, and continue to the next entry in the selection.
+    // Only if we lose the connection, we complete the whole loop.
+
+    // If we have completed ourselves, the error is already in iError.
+    // However, if an asynchronous operation completed us, the error
+    // comes back to us in iStatus.
+    // As we always complete ourselves by returning iError as the
+    // status, we get back either our original iError, or a new
+    // error value set by an asynchronous operation.
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation RunL status %d, error %d"),
+        iStatus.Int(), iError );
+#endif
+    TInt status=iStatus.Int();
+
+    if ( iBackupEnd && ( status == KErrCancel || status == KErrTimedOut ) )
+        {
+        // timer cancelled because of backup end - continue as if no error
+        status = KErrNone;
+        }
+
+    // wait for 5 seconds after backup end
+    if ( iMustWait )
+        {
+        // Timer is never active if iMustWait == ETrue,
+        // Actually it is not possible to check if iTimer is active.
+        // We must rely on iMustWait.
+        // iMustWait is set true only when the timer was just cancelled
+        // because of backup end, and we must wait a few seconds before continuing.
+        iMustWait = EFalse;
+        iTimer.After( iStatus, KMmsServerReadyWait );
+        SetActive();
+        return;
+        }
+
+    // when we come here after wait, the timer can go.
+    if ( iHaveTimer )
+        {
+        iTimer.Cancel();
+        iTimer.Close();
+        iHaveTimer = EFalse;
+        iDoNotWaitForBackupEnd = ETrue;
+        iBackupEnd = EFalse;
+        }
+
+    if ( status <= (TInt) KMsvMediaUnavailable &&
+        status >= (TInt) KMsvIndexRestore &&
+        !iDoNotWaitForBackupEnd )
+        {
+#ifndef _NO_MMSS_LOGGING_
+        TMmsLogger::Log( _L("- must wait for backup end ") );
+#endif
+        iState = EMmsOperationWaitingForBackupEnd;
+        // This will take us back to RunL
+        WaitForBackupEnd();
+        // iError has been set when the media unavailable error has occurred.
+        if ( iError == status )
+            {
+            iError = KErrNone;
+            }
+        return;
+        }
+        
+    if ( iState == EMmsOperationCheckingRoaming )
+        {
+        // the status is the result of the roaming query
+        iRegistrationStatus = status;
+        delete iPhone;
+        iPhone = NULL;
+        if ( status > 0 )
+            {
+            // If the status is a successful registration state result,
+            // it must not be set into iError
+            // However, if something has gone wrong, the error should
+            // be propagated.
+            status = 0;
+            }
+        }
+
+    // Don't override old error.
+    // Connection state returns index of successful connection in status,
+    // it must be handled separately.
+    // And if logging fails, the error is not stored.
+    // Logging is done on "best effort" basis
+    if ( iError == KErrNone &&
+        iState != EMmsOperationConnectingToIAP &&
+        iState != EMmsOperationLogging)
+        {
+        iError = status;
+        }
+
+    // The connection may go wrong, which means there's no use continuing now.
+    // On the other hand, if one operation fails, the next one may be all right.
+    // We don't exit in the middle of the loop without deciding
+    // what cleanup work must be done.
+    // Only cancel can exit.
+    if ( status != KErrCancel )
+        {
+        // iError contains the possible error from previous step.
+        // It may be needed to decide what to do with current message
+        // in next step.
+        TRAPD( error,DoRunL() );    // continue operations, may re-queue
+        // must not requeue in error situations
+        // If we want to continue the loop in spite of error,
+        // we must not leave, but return the error in iError.
+        // Symbian code may leave, so we must trap the leaves here,
+        // as we want to keep the loop going unless something
+        // is really fatally wrong (we are completely out of memory,
+        // or the system has crashed)
+#ifndef _NO_MMSS_LOGGING_
+        if ( error != KErrNone )
+            {
+            TMmsLogger::Log(_L("BaseOperatin DoRunL left with error %d"),
+                error );
+            if ( IsActive() )
+                {
+                TMmsLogger::Log(_L("- still active!"));
+                }
+            }
+#endif
+        __ASSERT_DEBUG( error==KErrNone || !IsActive(), User::Invariant() );
+        if ( IsActive() ) // requeued
+            {
+            return;
+            }
+        status=error;
+        if ( error == KErrNone )
+            {
+            // If DoRunL did not leave, possible error is in iError
+            status = iError;
+            }
+        }
+    
+    Complete( status );
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::DoRunL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::DoRunL()
+    {
+
+    // This routine takes the state machine through the states
+    // until an error is encountered or the cycle completes.
+
+    if ( iState != EMmsOperationFinalizing )
+        {
+        SelectNextState();
+        // If appropriate, ChangeState makes us active again
+        ChangeStateL();
+        }
+    else
+        {
+        iState = EMmsOperationIdle;
+        iStatus = iError;
+        // If we return from DoRunL without becoming active again,
+        // RunL completes.
+        }
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::DoComplete
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::DoComplete( TInt& aError )
+    {
+
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation DoComplete"));
+#endif
+    // We should get here if we are cancelled, or if
+    // the cycle has completed (with or without error)
+
+    // Only final cleanup can be done here, nothing asychronous is allowed
+
+    UnSetSendMask( *iFailed, aError );
+
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::DoCancel
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::DoCancel()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation DoCancel"));
+#endif
+    // cancel anything that is still active
+
+    if ( iPhone )
+        {
+        iPhone->Cancel();
+        }
+    if ( iDecoder )
+        {
+        iDecoder->Cancel();
+        }
+    if ( iEncoder )
+        {
+        iEncoder->Cancel();
+        }
+    if ( iConnectionInitiator )
+        {
+        iConnectionInitiator->Cancel();
+        }
+    if ( iMmsSession )
+        {
+        iMmsSession->Cancel();
+        }
+    if ( iHaveTimer )
+        {
+        iTimer.Cancel();
+        iTimer.Close();
+        iHaveTimer = EFalse;
+        }
+
+    CMsgActive::DoCancel();
+    if ( iError == KErrNone )
+        {
+        iError = KErrCancel;
+        }
+
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::SelectNextState
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::SelectNextState()
+    {
+
+    // If appropiate, the functions called within the switch statement
+    // will make us active again. If all is done, the asynchronous request
+    // will complete
+
+    // iCritical state determines the state where the operation must be
+    // continued if progress is interrupted by an error caused by backup/restore.
+    // The critical state changes when enough information has been saved so
+    // that backtracking is no longer needed. The critical state is always a 
+    // stat where information is read from disk or stored to disk, because
+    // disk operations may fail because of backup/restore.
+    // Continuation is usually possible only after backup, not after restore,
+    // but because available events do not specify which operation is in progress,
+    // every situation must be handled as if it would be possible to continue
+    // as soon as disk files can be accessed again.
+
+    switch ( iState )
+        {
+        case EMmsOperationIdle:
+            iState = EMmsOperationCheckingRoaming;
+            break;
+        case EMmsOperationCheckingRoaming:
+            // check what we got from the roaming query and adjust any 
+            // roaming state dependent modes needed by the operation
+            GetRoamingState();
+            iState = EMmsOperationEncodingPDU;
+            break;
+        case EMmsOperationEncodingPDU:
+            if ( iConnected )
+                {
+                iState = EMmsOperationSubmittingTransaction;
+                }
+            else
+                {
+                iState = EMmsOperationConnectingToIAP;
+                }
+            iCriticalState = EMmsOperationCreatingEntry;
+            break;
+        case EMmsOperationConnectingToIAP:
+            CheckConnectionState();
+            if ( iConnected )
+                {
+                iState = EMmsOperationInitializingSession;
+                }
+            else
+                {
+                // if could not connect, give up
+                iState = EMmsOperationUpdatingEntryStatus; 
+                }
+            break;
+        case EMmsOperationInitializingSession:
+            iState = EMmsOperationSubmittingTransaction;
+            break;
+        case EMmsOperationSubmittingTransaction:
+            iState = EMmsOperationCreatingEntry;
+            iCriticalState = EMmsOperationCreatingEntry;
+            break;
+        case EMmsOperationCreatingEntry:
+            iState = EMmsOperationDecodingResponse;
+            break;
+        case EMmsOperationDecodingResponse:
+            iState = EMmsOperationStoringResponseData;
+            iCriticalState = EMmsOperationStoringResponseData;
+            break;
+        case EMmsOperationStoringResponseData:
+            iState = EMmsOperationEncodingAck;
+            iCriticalState = EMmsOperationUpdatingEntryStatus;
+            break;
+        case EMmsOperationEncodingAck:
+            iState = EMmsOperationSendingAck;
+            break;
+        case EMmsOperationSendingAck:
+            iState = EMmsOperationUpdatingEntryStatus;
+            break;
+        case EMmsOperationUpdatingEntryStatus:
+            iState = EMmsOperationLogging;
+            iCriticalState = EMmsOperationMovingEntry;
+            break;
+        case EMmsOperationLogging:
+            iState = EMmsOperationMovingEntry;
+            break;
+        case EMmsOperationMovingEntry:
+            iCurrentMessageNo--;
+            if ( iCurrentMessageNo > 0 )
+                {
+                iState = EMmsOperationEncodingPDU;
+                iCriticalState = EMmsOperationEncodingPDU;
+                }
+            else
+                {
+                iState = EMmsOperationFinalizing;
+                iCriticalState = EMmsOperationFinalizing;
+                }
+            break;
+        case EMmsOperationFinalizing:
+            // no more states
+            break;
+        case EMmsOperationWaitingForBackupEnd:
+            // return to failure point
+            iState = iCriticalState;
+            break;
+        default:
+            // If we are in an illegal state, we don't change it.
+            // The only way we can end here is if someone overwrites
+            // our stack, and in that case things are so terribly wrong
+            // that there is nothing to be done
+            // Change state will terminate the loop.
+#ifndef _NO_MMSS_LOGGING_
+            TMmsLogger::Log( _L("BaseOperation in illegal state %d "), iState );
+#endif
+            break;
+        }
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::ChangeStateL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::ChangeStateL()
+    {
+    switch ( iState )
+        {
+        case EMmsOperationCheckingRoaming:
+            RoamingCheck();
+            break;
+        case EMmsOperationEncodingPDU:
+            EncodePDUL();
+            break;
+        case EMmsOperationConnectingToIAP:
+            ConnectToIAPL();
+            break;
+        case EMmsOperationInitializingSession:
+            InitializeSessionL();
+            break;
+        case EMmsOperationSubmittingTransaction:
+            SubmitTransactionL();
+            break;
+        case EMmsOperationCreatingEntry:
+            CreateEntryL();
+            break;
+        case EMmsOperationDecodingResponse:
+            DecodeResponseL();
+            break;
+        case EMmsOperationStoringResponseData:
+            StoreResponseL();
+            break;
+        case EMmsOperationEncodingAck:
+            EncodeAckL();
+            break;
+        case EMmsOperationSendingAck:
+            SendAckL();
+            break;
+        case EMmsOperationUpdatingEntryStatus:
+            UpdateEntryStatusL();
+            break;
+        case EMmsOperationLogging:
+            LogL();
+            break;
+        case EMmsOperationMovingEntry:
+            MoveEntryL();
+            break;
+        case EMmsOperationFinalizing:
+            FinalizeL();
+            break;
+        case EMmsOperationWaitingForBackupEnd:
+            WaitForBackupEnd();
+            break;
+        case EMmsOperationIdle:
+            // We should not become idle again. This is startup state
+            break;
+        default:
+            // Totally messed up. Someone overwrote the stack.
+            // If we return without becoming active again, the 
+            // cycle completes.
+#ifndef _NO_MMSS_LOGGING_
+            TMmsLogger::Log( _L("BaseOperation in illegal state %d "), iState );
+#endif
+            iError = KErrUnknown;
+            iStatus = iError;
+            break;
+        }
+    }
+
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::FallThrough
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::FallThrough()
+    {
+    TRequestStatus* status = &iStatus;
+    iStatus = KRequestPending;
+    SetActive();
+    User::RequestComplete( status, iError );
+    }
+
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::InitializeL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::InitializeL(
+    CMsvEntrySelection& aSelection,
+    CMsvServerEntry& aServerEntry,
+    TMsvId aService )
+    {
+
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation Initialize"));
+#endif
+
+    iSelection = &aSelection;
+    iServerEntry = &aServerEntry;
+    iService = aService;
+
+    iDoNotWaitForBackupEnd = EFalse;
+    iCriticalState = EMmsOperationEncodingPDU;
+
+    delete iEntryWrapper;
+    iEntryWrapper = NULL;
+    iEntryWrapper = CMmsServerEntry::NewL(
+        iFs,
+        aServerEntry,
+        iService );
+
+    iFailed->Reset();
+    iSuccessful->Reset();
+    iResponse->Reset();
+
+    iCurrentMessageNo = iSelection->Count();
+    iError = KErrNone;
+
+    // clean these in case the class is reused
+    delete iUri;
+    iUri = NULL;
+    delete iIAPArray;
+    iIAPArray = NULL;
+    iConnectionIndex = 0;
+    iRegistrationStatus = 0; // hope for the best
+
+    // Initialize everything into the failed list.
+    // Very pessimistic indeed.
+
+    if ( iCurrentMessageNo > 0 )
+        {
+        iFailed->AppendL( iSelection->Back( 0 ), iCurrentMessageNo );
+        iSuccessful->SetReserveL( iCurrentMessageNo );
+        }
+
+    SetSendMask( *iFailed );
+    
+    //
+    // NOTE: receive operation must override this setting to 'iLocalModeIn'
+    //
+    if ( iMmsSettings->LocalMode() )
+        {
+        iFs.SetSessionPath( iMmsSettings->LocalModeOut() );
+        }
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::EncodePDUL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::EncodePDUL()
+    {
+    // This state is quite variable.
+    // Each operation will need to know what to encode,
+    // no common implementation available.
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation EncodePDUL - FallThrough"));
+#endif
+
+    // this always starts a new round. iError should be cleared.
+    FallThrough();
+
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::ConnectToIAPL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::ConnectToIAPL()
+    {
+
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation Connect to IAP"));
+#endif
+
+    if ( iError != KErrNone )
+        {
+        FallThrough();
+        return;
+        }
+
+    // This operation should be identical for all derived classes.
+    TRequestStatus* status = &iStatus;
+
+    // clean URI in case the class is used more than once
+    // Just at the last minute we check if network operations are allowed
+    if ( !NetworkOperationsAllowed() )
+        {
+#ifdef __WINS__
+        iStatus = KRequestPending;
+        SetActive();
+        User::RequestComplete( status, KMmsErrorOfflineMode );
+        return;
+#else
+        // if offline is on and global mode is on in HW, normal offline behaviour.
+        // if offline is on and local mode is on in HW, continue.
+        // The purpose of this is to allow fetching precreated messages even if
+        // network operations were not allowed during the first boot.
+        if ( !iMmsSettings->LocalMode() )
+            {
+            iStatus = KRequestPending;
+            SetActive();
+            User::RequestComplete( status, KMmsErrorOfflineMode );
+            return;
+            }
+#endif
+        }
+
+    // Use WAP AP from Comms database table.
+    // This contains the home page URI, and is linked to the actual IAP.
+    TInt count = iMmsSettings->AccessPointCount();
+    if( !iMmsSettings->LocalMode() )
+        {
+        if ( count < 1 )
+            {
+            User::Leave( KMmsErrorNoWAPAccessPoint );
+            }
+        iIAPArray = new (ELeave) CArrayFixFlat<TUint32>( count );
+        for( TInt index = 0; index < count; index++ )
+            {
+            iIAPArray->AppendL( iMmsSettings->AccessPoint( index ) );
+            }
+
+        iConnectionInitiator = CMmsConnectionInitiator::NewL();
+        // CMmsConnInit sets our status to "KRequestPending"
+        iConnectionInitiator->ConnectL(
+            iConnection,
+			*iIAPArray,	
+			iStatus );
+
+        SetActive();
+        }
+    else
+        {
+        // local mode has no real wap access point
+        iStatus = KRequestPending;
+        SetActive();
+        // we return status 1 (as if we got connection to most
+        // preferred access point)
+        User::RequestComplete( status, 1 );
+        }
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::InitializeSessionL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::InitializeSessionL()
+    {
+
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation InitializeSession"));
+#endif
+
+    if ( iError != KErrNone || iMmsSettings->LocalMode() )
+        {
+        FallThrough();
+        return;
+        }
+
+// When we are supporting only HTTP, there is no separate session connection stage.
+// Session initialization only sets necessary headers. (User agent and UAProf)
+    delete iUri;
+    iUri = NULL;
+    TUint32 iap = 0;
+    TBool proxyUsed = EFalse;
+    HBufC8* proxyAddress = NULL;
+    HBufC* uri = NULL;
+
+    // We are not supposed to be here, if we haven't succeeded
+    // in making connection to one of specified access points
+    CMmsConnectionInitiator::GetParametersL( 
+        iIAPArray->At( iConnectionIndex - 1 ),
+        iap,
+        uri, 
+        proxyUsed,
+        proxyAddress
+        );
+
+    // We must remember the uri, it will be used later.
+    iUri = uri;
+    uri = NULL;
+
+    CleanupStack::PushL( proxyAddress );
+    
+    iMmsSession->OpenL(
+        ( !proxyAddress )?TPtrC8():proxyAddress->Des(),
+        proxyUsed,
+        iMmsSettings->MaximumReceiveSize(),
+        iMmsSettings->MaximumSendSize(),
+        iStatus );
+
+    CleanupStack::PopAndDestroy( proxyAddress );
+    SetActive();
+
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::SubmitTransactionL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::SubmitTransactionL()
+    {
+    // Standard transaction is sending a PDU to MMSC in global mode
+    // Local mode will need an override if supported (send and fetch only)
+    // Fetch will need an override, because it uses HTTP GET
+    // and not HTTP POST like other operations.
+
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation SubmitTransaction"));
+#endif
+
+    if ( !iConnected )
+        {
+        if ( iError == KErrNone )
+            {
+            iError = KErrCouldNotConnect;
+            }
+        }
+        
+    // This check is needed only when running tests in local mode
+    // if length of URI is 0, Symbian code will panic    
+    if ( !iUri )
+        {
+        iError = KMmsErrorNoURI1;
+        }
+    else if ( iUri->Des().Length() == 0 )
+        {
+        iError = KMmsErrorNoURI1;
+        }
+    else
+        {
+        // keep LINT happy
+        }
+
+    if ( iError != KErrNone )
+        {
+        FallThrough();
+        return;
+        }
+
+    // Set entry
+    TInt error = iServerEntry->SetEntry( iSelection->At( iCurrentMessageNo - 1 ) );
+
+    //
+    // Last minute check to make sure entry has not been deleted or suspended 
+    //
+    if( error == KErrNone )
+        {
+        TMsvEntry entry = iServerEntry->Entry();
+        if( entry.SendingState() == KMsvSendStateSuspended || entry.Deleted() )
+            {
+            // The message has disappeared and we cannot do anything with it.
+            #ifndef _NO_MMSS_LOGGING_
+            if ( entry.SendingState() == KMsvSendStateSuspended )
+                {
+                TMmsLogger::Log( _L("- message in suspended") );
+                }
+            if ( entry.Deleted() )
+                {
+                TMmsLogger::Log( _L("- message deleted") );
+                }
+            TMmsLogger::Log( _L("-> finished with this entry") );
+            #endif
+            // delete entry from the list
+            iFailed->Delete( iCurrentMessageNo - 1 );
+
+            //
+            // Set error and fall through
+            // 
+            iError = KErrNotFound;
+            FallThrough();
+            return;
+            }
+        }
+
+    //
+    // Update the sending state of our trigger
+    //
+    if( error == KErrNone )
+        {
+        TMsvEntry entry = iServerEntry->Entry();
+        entry.SetConnected( ETrue );
+        entry.SetSendingState( KMsvSendStateSending );
+        // if this fails, our sending state is wrong, but so what...
+        iServerEntry->ChangeEntry( entry );
+        }
+    iServerEntry->SetEntry( KMsvNullIndexEntryId );
+
+    //
+    // Send
+    //
+    iMmsSession->SendMessageL( iUri->Des(),
+        *iEncodeBuffer,
+        *iEncoder,
+        *iDecoder,
+        iStatus );
+    SetActive();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::CreateEntryL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::CreateEntryL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation CreateEntry - FallThrough"));
+#endif
+    // When sending messages or command PDUs (forward) there is no entry to create.
+    // These fall through, only receive message and view MMBox have incoming data.
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::DecodeResponseL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::DecodeResponseL()
+    {
+    // Default action is to decode response into headers.
+    // The result will be analyzed in StoreResponse function
+    // There some data may be updated to original entry or just
+    // error code will be set.
+
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation DecodeResponse"));
+#endif
+
+    iResponse->Reset();
+    if ( !( iError != KErrNone || iEncodeBuffer->Size() == 0 ) )
+        {
+        // we have got a response - try to decode it
+        TRAP( iError,
+            {
+            // We don't need an actual entry here.
+            iEntryWrapper->SetCurrentEntry( KMsvNullIndexEntryId );
+            iDecoder->DecodeHeadersL(
+               *iEntryWrapper,
+               *iResponse,
+               *iEncodeBuffer );
+            });
+        // Response status is mandatory in most responses, but not in quite all.
+        // Some operations may need an override.
+        if ( iResponse->ResponseStatus() != 0 )
+            {
+            MapResponseStatus( *iResponse );
+            }
+        }
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::StoreResponseL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::StoreResponseL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation StoreResponse - FallThrough"));
+#endif
+    // Here the response from MMSC is stored.
+    // When receiving message, the results have already been stored while decoding.
+    // Here the message would become visible.
+    // However, if there is an error, the error text is saved here for all messages.
+    // Other information may also be saved to the trigger entry (for example message id).
+    // When a message is forwarded, the relevant information is stored in the notification.
+
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::EncodeAckL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::EncodeAckL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation EncodeAck - FallThrough"));
+#endif
+    // Only receive message has ack, others fall through
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::SendAckL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::SendAckL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation SendAck - FallThrough"));
+#endif
+    // Only receive message sends ack, others fall through
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::UpdateEntryStatusL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::UpdateEntryStatusL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation UpdateEntryStatus - FallThrough"));
+#endif
+    // This will update the status of the trigger as successful
+    // or unsuccessful
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::MoveEntryL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::MoveEntryL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation MoveEntry - FallThrough"));
+#endif
+    // This will need an override
+    // Send message moves entry to sent folder
+    // Receive message checks the fate of a notification.
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::LogL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::LogL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation Log - FallThrough"));
+#endif
+    // This will need an override - all operations do not log
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::FinalizeL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::FinalizeL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation Finalize"));
+#endif
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::WaitForBackupEnd
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::WaitForBackupEnd()
+    {
+    LOG( _L("BaseOperation WaitForBackupEnd"));
+    TInt error = KErrNone;
+    TInt value = 0;
+    error = RProperty::Get( KUidSystemCategory, conn::KUidBackupRestoreKey, value );
+
+    if( value != conn::ENoBackup && error == KErrNone )
+        {
+        // We are not going to wait forever: using a timer
+        LOG( _L(" - backup running ") );
+        error = iTimer.CreateLocal();
+        if( error == KErrNone )
+            {
+            iHaveTimer = ETrue;
+            // The timer cannot be active as it was just created.
+            // It makes no sense to check.
+            // And besides it is impossible to check if RTimer is active.
+            iTimer.After( iStatus, KMmsBackupWait );
+            SetActive();
+            return;
+            }
+        }
+#ifndef _NO_MMSS_LOGGING_
+    else
+        {
+        LOG( _L(" - backup not running ") );
+        }
+#endif
+
+    // No backup - media gone for other reason
+    iDoNotWaitForBackupEnd = ETrue;
+    FallThrough();
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::SetSendMask
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::SetSendMask( const CMsvEntrySelection& aSelection )
+    {
+    TInt index = aSelection.Count();
+    TInt error = KErrNone;
+    while ( index-- )
+        {
+        error = ( iServerEntry->SetEntry( aSelection[index] ) );
+        if ( error == KErrNone )
+            {
+            TMsvEntry tEntry = iServerEntry->Entry();
+            // State is set to "sending" as late as possible to allow cancelling
+            // until the last possible moment
+            // Error in an entry is set to KErrNone to allow the error
+            // to be updated in case we fail halfway through a selection, and want to
+            // set error to unhandled entries.
+            tEntry.iError = KErrNone;
+            iServerEntry->ChangeEntry( tEntry );
+            }
+        }
+    // Release the entry
+    iServerEntry->SetEntry( KMsvNullIndexEntryId );
+
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::UnSetSendMask
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::UnSetSendMask( CMsvEntrySelection& aSelection, TInt aError )
+    {
+    TInt index = aSelection.Count();
+
+    // If we have a connection error because switching to offline mode
+    // has interrupted our sending operation, we suspend our failed messges
+    if ( !NetworkOperationsAllowed() )
+        {
+        aError = KMmsErrorOfflineMode;
+        }
+
+    while ( index-- )
+        {
+        UnSetSendMask( aSelection[index], aError );
+        // When the entry is in no list, it will not be touched by UpDateEntriesL
+        // function in CMmsServerMtm.
+        // When we switch back to "online" mode, these enries will automatically
+        // be rescheluded.
+        if ( aError == KMmsErrorOfflineMode )
+            {
+            aSelection.Delete( index );
+            }
+        }
+    // Release the entry
+    iServerEntry->SetEntry( KMsvNullIndexEntryId );
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::UnSetSendMask
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::UnSetSendMask( const TMsvId aId, TInt aError )
+    {
+    if ( ( iServerEntry->SetEntry( aId ) ) != KErrNone )
+        {
+        return; // no can do
+        }
+    TInt error = KErrNone;    
+
+    TMsvEntry tEntry = iServerEntry->Entry();
+    tEntry.SetConnected( EFalse );
+    tEntry.SetFailed( EFalse ); // optimistic
+    if ( tEntry.iError == KErrNone )
+        {
+        tEntry.iError = aError;
+        }
+
+    if ( aError == KMmsErrorOfflineMode )
+        {
+        // special case: we did not necessarily fail, but we are not allowed to send now
+        // Set entry to "suspended" state, but do not update recipient so that this does
+        // not count as a send or receive attempt
+        tEntry.iError = aError;
+        // value for KMmsOffLineStae defined in mmsservercommon.h
+        tEntry.SetSendingState( KMmsOffLineState );
+        
+        // if the notification is in inbox or in mmbox folder, its operation flags have to be marked
+        // that the operation has finished due to offline mode. 
+        // In addition if notification in mmbox folder has a duplicate, 
+        // the duplicate has to be marked as well.
+        TMsvId mmboxFolder = iMmsSettings->MMBoxFolder();
+        if ( tEntry.Parent() == mmboxFolder )
+            {
+#ifndef _NO_MMSS_LOGGING_
+            TMmsLogger::Log( _L(" - CMmsBaseOperation:: duplicates has to be searched") );
+#endif
+            TInt err = KErrNone;
+            TRAP ( err, MarkDuplicateL( EMmsNotificationOperationFailed, *iServerEntry ) );
+#ifndef _NO_MMSS_LOGGING_
+            TMmsLogger::Log( _L("Trap failed: error %d "), err );
+#endif
+            }
+        // Mark original notification
+        if ( tEntry.Parent() == mmboxFolder ||
+            tEntry.Parent() == KMsvGlobalInBoxIndexEntryIdValue )
+            {
+            MarkNotificationOperationFailed( tEntry );                   
+            tEntry.SetReadOnly( ETrue );
+            }
+        }
+    else
+        {
+        // we must also update the recipient information
+        // in case it was not set already.
+
+        // We trap all leaves.
+        // If we cannot update recipient because we are in very low memory situation,
+        // that cannot be helped.
+        // DoCancel and DoComplete cannot leave.
+
+        CMmsScheduledEntry* mmsScheduledEntry = NULL;
+        TRAP( error, 
+            {
+            mmsScheduledEntry = CMmsScheduledEntry::NewL( tEntry );
+            CleanupStack::PushL( mmsScheduledEntry );
+            CMsvStore * store = NULL;
+            store = iServerEntry->EditStoreL();
+            CleanupStack::PushL( store );
+            mmsScheduledEntry->RestoreL( *store );
+            // if status is still NotYetSent, recipient has not been updated yet
+            if ( mmsScheduledEntry->MmsRecipient().Status() == CMsvRecipient::ENotYetSent )
+                {
+                UpdateRecipient( tEntry.iError, *mmsScheduledEntry );
+                }
+            mmsScheduledEntry->StoreL( *store );
+            store->CommitL();
+            CleanupStack::PopAndDestroy( store );
+            CleanupStack::PopAndDestroy( mmsScheduledEntry );
+            };)
+        mmsScheduledEntry = NULL;
+
+        // Don't override previous error
+        // We may have entries that have failed for different reasons
+        if ( tEntry.iError != KErrNone )
+            {
+            tEntry.SetFailed( ETrue );
+            }
+        }
+    error = iServerEntry->ChangeEntry( tEntry );
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::UpdateRecipient
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::UpdateRecipient( TInt aError, CMmsScheduledEntry& aMmsScheduledEntry )
+    {
+    aMmsScheduledEntry.MmsRecipient().Time().UniversalTime();
+    aMmsScheduledEntry.MmsRecipient().SetError( aError );
+    if ( aError == KErrNone )
+        {
+        aMmsScheduledEntry.MmsRecipient().SetStatus( CMsvRecipient::ESentSuccessfully );
+        }
+    else
+        {
+        aMmsScheduledEntry.MmsRecipient().SetStatus( CMsvRecipient::EFailedToSend );
+        }
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::MapResponseStatus
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::MapResponseStatus( CMmsHeaders& aResponse )
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation MapResponseStatus"));
+#endif
+    // response status was initialize to 0
+    // KMmsStatusOk = 128
+
+    // This is common respose status mapping. Retrieve status is different,
+    // MMBox view confirmation uses this mapping.
+
+    switch ( aResponse.ResponseStatus() )
+        {
+        case KMmsStatusOk:
+            // No error, don't change iError
+            break;
+        case KMmsErrorPermanentSendingAddressUnresolved:
+        case KMmsErrorSendingAddressUnresolved:
+            iError = KMmsErrorStatusMessageAddressUnresolved;
+            break;
+        case KMmsErrorTransientSendingAddressUnresolved:
+            iError = KMmsErrorStatusTransientAddressUnresolved;
+            break;
+        case KMmsErrorPermanentMessageNotFound:
+        case KMmsErrorMessageNotFound:
+            iError = KMmsErrorStatusMessageNotFound;
+            break;
+        case KMmsErrorTransientMessageNotFound:
+            iError = KMmsErrorStatusTransientMessageNotFound;
+            break;
+        case KMmsErrorTransientNetworkProblem:
+        case KMmsErrorNetworkProblem:
+            iError = KMmsErrorStatusNetworkProblem;
+            break;
+        case KMmsErrorPermanentServiceDenied:
+        case KMmsErrorServiceDenied:
+            iError = KMmsErrorStatusServiceDenied;
+            break;
+        case KMmsErrorPermanentMessageFormatCorrupt:
+        case KMmsErrorMessageFormatCorrupt:
+            iError = KMmsErrorStatusMessageFormatCorrupt;
+            break;
+        case KMmsErrorPermanentContentNotAccepted:
+        case KMmsErrorNoContentAccepted:
+            iError = KMmsErrorStatusContentNotAccepted;
+            break;
+        case KMmsErrorPermanentReplyChargingLimitationsNotMet:
+            iError = KMmsErrorStatusReplyChargingLimitationsNotMet;
+            break;
+        case KMmsErrorPermanentReplyChargingRequestNotAccepted:
+            iError = KMmsErrorStatusReplyChargingRequestNotAccepted;
+            break;
+        case KMmsErrorPermanentReplyChargingForwardingDenied:
+            iError = KMmsErrorStatusReplyChargingForwardingDenied;
+            break;
+        case KMmsErrorPermanentReplyChargingNotSupported:
+            iError = KMmsErrorStatusReplyChargingNotSupported;
+            break;
+        case KMmsErrorTransientFailure:
+            iError = KMmsErrorStatusTransientFailure;
+            break;
+        case KMmsErrorUnspecified:
+            iError = KMmsErrorStatusUnspecified;
+            break;
+        case KMmsErrorPermanentFailure:
+            iError = KMmsErrorStatusPermanentFailure;
+            break;
+        case KMmsErrorUnsupportedMessage:
+            iError = KMmsErrorStatusUnsupportedMessage;
+            break;
+        default:
+            // No known status, but did not leave either
+            if ( iError == KErrNone )
+                {
+                if ( ( iResponse->ResponseStatus() & KMmsErrorRangeMask ) == KMmsErrorTransient )
+                    {
+                    iError = KMmsErrorStatusTransientFailure;
+                    }
+                else
+                    {
+                    iError = KMmsErrorStatusPermanentFailure;
+                    }
+                }
+            break;
+        }
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::InitializeLoggingL
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::InitializeLoggingL()
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L("BaseOperation InitializeLogging"));
+#endif
+    if ( !iLogClient )
+        {
+        iLogClient = CLogClient::NewL( iFs );
+        }
+    if ( !iLogViewEvent )
+        {
+        iLogViewEvent = CLogViewEvent::NewL( *iLogClient );
+        }
+    if ( !iMmsLog )
+        {
+        iMmsLog = CMmsLog::NewL( *iLogClient, *iLogViewEvent, iFs );
+        }
+    if ( !iLogEvent )
+        {
+        iLogEvent = CLogEvent::NewL();
+        }
+    }
+
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::CheckConnectionState
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::CheckConnectionState()
+    {
+    TInt status=iStatus.Int();
+    // these can go now.
+    delete iConnectionInitiator;
+    iConnectionInitiator = NULL;
+    if ( status > 0 )
+        {
+        iConnectionIndex = status;
+        // We say we are connected when we have the connection to IAP.
+        // When protocol is HTTP there is no separate session opening step.
+        iConnected = ETrue;
+        }
+    else
+        {
+        iError = status;
+        if ( status == KErrGeneral )
+            {
+            iError = KErrCouldNotConnect;
+            }
+        }
+    }
+// ---------------------------------------------------------
+// CMmsBaseOperation::FindDuplicateNotificationL
+// 
+// ---------------------------------------------------------
+//
+TInt CMmsBaseOperation::FindDuplicateNotificationL(
+    TMsvId aParent, CMmsHeaders& aHeaders, TMsvId& aDuplicate )
+    {
+#ifndef _NO_MMSS_LOGGING_
+    TMmsLogger::Log( _L(" CMmsBaseOperation::FindDuplicateNotificationL") );
+#endif
+
+    TInt error = KErrNone;    
+    aDuplicate = KMsvNullIndexEntryId;
+    if ( aParent == KMsvNullIndexEntryId )
+        {
+        return KErrNotSupported;
+        }
+
+    CMsvServerEntry* workingEntry = NULL;
+    TRAP( error, workingEntry = iServerEntry->NewEntryL( aParent ) );
+    CleanupStack::PushL( workingEntry );
+    
+    if ( error != KErrNone )
+        {
+        CleanupStack::PopAndDestroy( workingEntry ); // workingEntry
+        return error;
+        }
+
+    CMsvEntrySelection* selection = new ( ELeave ) CMsvEntrySelection; 
+    CleanupStack::PushL( selection );
+
+    error = workingEntry->GetChildrenWithMtm( KUidMsgMMSNotification, *selection );
+
+    TInt count = selection->Count();
+    if ( count == 0 )
+        {
+        error = KErrNotSupported;
+        }
+
+    if ( error != KErrNone  )
+        {
+        CleanupStack::PopAndDestroy( selection );
+        CleanupStack::PopAndDestroy( workingEntry );
+        return error;
+        }
+
+    CMmsHeaders* mmsHeaders = CMmsHeaders::NewL( iMmsSettings->MmsVersion() );
+    CleanupStack::PushL( mmsHeaders );
+     
+    for ( TInt i = count; i > 0 && ( aDuplicate == KMsvNullIndexEntryId ); i-- )
+        {
+        if ( workingEntry->SetEntry( selection->At( i - 1 ) ) == KErrNone )
+            {            
+            CMsvStore* store = workingEntry->ReadStoreL();
+            CleanupStack::PushL( store );
+            mmsHeaders->RestoreL( *store );
+            CleanupStack::PopAndDestroy( store );
+
+            // content location must match 
+            if ( mmsHeaders->ContentLocation().Compare( aHeaders.ContentLocation() ) == 0 )
+                {
+                // Identical. This probably means that we have not sent a response yet,
+                // and MMSC has sent us a new notification.
+
+#ifndef _NO_MMSS_LOGGING_
+                TMmsLogger::Log( _L("- content locations match") );
+#endif
+                aDuplicate = workingEntry->Entry().Id();
+                }
+            }
+        }
+
+    CleanupStack::PopAndDestroy( mmsHeaders );
+    CleanupStack::PopAndDestroy( selection );
+    CleanupStack::PopAndDestroy( workingEntry );
+
+    return error;
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::FreeNotification
+// 
+// ---------------------------------------------------------
+//
+TBool CMmsBaseOperation::FreeNotification( TMsvEntry aEntry, const TUint32 aOperation )
+    {
+    if ( aEntry.iMtmData2 & KMmsNewOperationForbidden ||
+        ( aEntry.iMtmData2 & KMmsOperationFinished &&
+        !( aEntry.iMtmData2 & KMmsOperationResult ) &&
+        !( aEntry.iMtmData2 & KMmsStoredInMMBox ) &&
+        ( aOperation == KMmsOperationFetch || aOperation == KMmsOperationForward )))
+        {
+        return EFalse;
+        }
+
+    return ETrue;
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::MarkNotificationOperationFailed
+// 
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::MarkNotificationOperationFailed( TMsvEntry& aEntry )
+    {
+    aEntry.iMtmData2 |= KMmsOperationFinished;        // finished
+    aEntry.iMtmData2 |= KMmsOperationResult;          // failed
+    aEntry.iMtmData2 &= ~KMmsOperationOngoing;        // operation not active
+    aEntry.iMtmData2 &= ~KMmsNewOperationForbidden;   // new operation allowed
+    }
+
+// ---------------------------------------------------------
+// CMmsBaseOperation::MarkNotificationDeletedFromMmbox
+// 
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::MarkNotificationDeletedFromMmbox( TMsvEntry& aEntry )
+    {
+    aEntry.iMtmData2 &= ~KMmsStoredInMMBox;         // not in mmbox
+    aEntry.iMtmData2 &= ~KMmsOperationOngoing;      // operation not active
+    aEntry.iMtmData2 |= KMmsOperationFinished;      // finished
+    aEntry.iMtmData2 &= ~KMmsOperationResult;      // successfully 
+    aEntry.iMtmData2 &= ~KMmsNewOperationForbidden; // new operation allowed
+    }
+    
+// ---------------------------------------------------------
+// CMmsBaseOperation::MarkDuplicateL
+// 
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::MarkDuplicateL( TInt aState, CMsvServerEntry& aServerEntry )
+    {
+    // iServerEntry must point to the original notification
+    // We can put default version here as the headers will be restored immediately anyway
+    // This is a static function and does not have access to iMmsSettings where the actual
+    // version is.
+    // Restoring the headers reads the correct version for the message in question
+    // Headers are used here only to clear the duplicate id from the headers.
+    // Other headers are not changed.
+    CMmsHeaders* mmsHeaders = CMmsHeaders::NewL( KMmsDefaultVersion );
+    CleanupStack::PushL( mmsHeaders );
+    CMsvStore* store = aServerEntry.ReadStoreL();
+    CleanupStack::PushL( store );
+    mmsHeaders->RestoreL( *store );
+    CleanupStack::PopAndDestroy( store );
+    store = NULL;
+
+    TMsvId duplicate = mmsHeaders->RelatedEntry();
+    if ( duplicate != KMsvNullIndexEntryId )
+        {
+        // Clear related entry from the original notification
+        store = aServerEntry.EditStoreL();
+        CleanupStack::PushL( store );
+        mmsHeaders->SetRelatedEntry( KMsvNullIndexEntryId );
+        mmsHeaders->StoreL( *store );
+        store->CommitL();
+        CleanupStack::PopAndDestroy( store );
+        store = NULL;
+#ifndef _NO_MMSS_LOGGING_
+        TMmsLogger::Log( _L( "- related entry cleared" ) );
+#endif
+        
+        // Leaves if entry cannot be accessed.
+        // We are inside a trap already...
+        CMsvServerEntry* duplicateEntry = aServerEntry.NewEntryL( duplicate );
+        CleanupStack::PushL( duplicateEntry );
+        // Mark duplicate
+        TMsvEntry dupEntry = duplicateEntry->Entry();
+        switch( aState )
+            {
+            case EMmsNotificationOperationFailed:
+                MarkNotificationOperationFailed( dupEntry );
+#ifndef _NO_MMSS_LOGGING_
+                TMmsLogger::Log( _L( "- duplicate marked failed" ) );
+#endif
+                break;
+            case EMmsDeletedFromMmbox:
+                MarkNotificationDeletedFromMmbox( dupEntry );
+#ifndef _NO_MMSS_LOGGING_
+                TMmsLogger::Log( _L( "- duplicate marked deleted" ) );
+#endif
+                break;
+            default:
+                break;    
+            }
+        duplicateEntry->ChangeEntry( dupEntry );
+        CleanupStack::PopAndDestroy( duplicateEntry );
+
+        }
+    CleanupStack::PopAndDestroy( mmsHeaders );
+    }
+    
+// ---------------------------------------------------------
+// CMmsBaseOperation::MarkNotificationOperationReserved
+// ---------------------------------------------------------
+//       
+void CMmsBaseOperation::MarkNotificationOperationReserved( TMsvEntry& aEntry, 
+                                                                  const TUint32 aOperation )
+    {
+    aEntry.iMtmData2 &= ~KMmsOperationIdentifier;   // clear possible old operation
+    aEntry.iMtmData2 |= KMmsNewOperationForbidden;  // forbidden   
+    aEntry.iMtmData2 |= KMmsOperationOngoing;       // operation is active
+    aEntry.iMtmData2 |= aOperation;                 // operation
+    aEntry.iMtmData2 &= ~KMmsOperationFinished;     // not finished
+    aEntry.iMtmData2 &= ~KMmsOperationResult;       // not failed  
+    }
+    
+// ---------------------------------------------------------
+// 
+// ---------------------------------------------------------
+//       
+TBool CMmsBaseOperation::RegisteredL( const TDesC& aApplicationId )
+    {
+    TBool registered = EFalse;
+    // check if application id is registered
+    CMmsRegisteredApplications* regAppId = CMmsRegisteredApplications::NewL();
+    CleanupStack::PushL( regAppId );
+    regAppId->LoadRegisteredApplicationsL();
+    registered = regAppId->RegisteredL( aApplicationId );
+    CleanupStack::PopAndDestroy( regAppId );
+    return registered;
+    }
+    
+// ---------------------------------------------------------
+// CMmsBaseOperation::CommonLogEventInitializationL
+// 
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::CommonLogEventInitializationL(
+    CMmsHeaders& aMmsHeaders,
+    TMsvEntry& aEntry )
+    {
+    if ( !iLogEvent || !iLogClient )
+        {
+        // something wrong with log - cannot do logging
+        User::Leave( KErrGeneral );
+        }
+        
+    iLogEvent->SetEventType( KLogMmsEventTypeUid );
+    iLogClient->GetString( iLogString, R_LOG_DIR_OUT );
+    iLogEvent->SetDirection( iLogString );
+    iLogEvent->SetDurationType( KLogDurationNone );
+
+    iLogEvent->SetSubject( aEntry.iDescription );
+    iLogEvent->SetLink( aEntry.Id() );
+
+    iRemoteParties->Reset();
+    iNumberOfRemoteParties = 0;
+
+    // Get some fields into log entry
+    TTime now;
+    // the dates in log must be in universal time, not local time
+    now.UniversalTime();
+    iLogEvent->SetTime( now );
+    // We only log if the sending has been successful.
+    // We don't generate a log entry if iError not equal to KErrNone
+    // Therefore the status is always "pending"
+    iLogClient->GetString( iLogString, R_LOG_DEL_PENDING );
+    iLogEvent->SetStatus( iLogString );
+
+    // Generate remote party list (pure addresses only)
+    TInt i;
+    TPtrC dummy;
+    // To list
+    for (i = 0; i < aMmsHeaders.ToRecipients().MdcaCount(); i++)
+        {
+        dummy.Set( TMmsGenUtils::PureAddress( aMmsHeaders.ToRecipients().MdcaPoint( i ) ) );
+        if ( iMmsSettings->LogEmailRecipients() ||
+            ( dummy.Locate( '@' ) == KErrNotFound ) )
+            {
+            iRemoteParties->AppendL( dummy );
+            iNumberOfRemoteParties++;
+            }
+        }
+    // Cc list
+    for (i = 0; i < aMmsHeaders.CcRecipients().MdcaCount(); i++)
+        {
+        dummy.Set( TMmsGenUtils::PureAddress( aMmsHeaders.CcRecipients().MdcaPoint( i ) ) );
+        if ( iMmsSettings->LogEmailRecipients() ||
+            ( dummy.Locate( '@' ) == KErrNotFound ) )
+            {
+            iRemoteParties->AppendL( dummy );
+            iNumberOfRemoteParties++;
+            }
+        }
+    // Bcc list
+    for (i = 0; i < aMmsHeaders.BccRecipients().MdcaCount(); i++)
+        {
+        dummy.Set( TMmsGenUtils::PureAddress( aMmsHeaders.BccRecipients().MdcaPoint( i ) ) );
+        if ( iMmsSettings->LogEmailRecipients() ||
+            ( dummy.Locate( '@' ) == KErrNotFound ) )
+            {
+            iRemoteParties->AppendL( dummy );
+            iNumberOfRemoteParties++;
+            }
+        }
+    }
+    
+// start of ROAMING CHECK handling
+// ---------------------------------------------------------
+// CMmsBaseOperation::RoamingCheck
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::RoamingCheck()
+    {
+    // base operation does nothing
+    // This is just a placeholder
+    FallThrough();
+    }
+    
+// ---------------------------------------------------------
+// CMmsBaseOperation::GetRoamingState
+//
+// ---------------------------------------------------------
+//
+void CMmsBaseOperation::GetRoamingState()
+    {
+    // Nothing needs to be done here
+    }
+    
+    
+    
+#ifndef _NO_MMSS_LOGGING_
+// ---------------------------------------------------------
+// CMmsBaseOperation::LogDateL
+//
+// ---------------------------------------------------------
+void CMmsBaseOperation::LogDateL( const TTime& aDate )
+    {
+    TBuf<KMmsDateBufferLength> dateString;
+    aDate.FormatL(dateString,(_L("%*E%*D%X%*N%Y %1 %2 '%3")));
+    TMmsLogger::Log( _L(" - date %S"), &dateString );
+    aDate.FormatL(dateString,(_L("%-B%:0%J%:1%T%:2%S%:3%+B")));
+    TMmsLogger::Log( _L(" - time %S"), &dateString );
+    }
+    
+// ---------------------------------------------------------
+// CMmsBaseOperation::LogNetworkFormatDateL
+//
+// ---------------------------------------------------------
+void CMmsBaseOperation::LogNetworkFormatDateL( const TInt64& aDateInSeconds )
+    {
+    TBuf<KMmsDateBufferLength> dateString;
+    TMmsLogger::Log( _L(" - %d seconds from 1.1.1970 (UTC)"), aDateInSeconds );
+    TTime time = TTime( KMmsYear1970String ) +
+        TTimeIntervalMicroSeconds( aDateInSeconds * KMmsMillion );
+    time.FormatL(dateString,(_L("%*E%*D%X%*N%Y %1 %2 '%3")));
+    TMmsLogger::Log( _L(" - date %S"), &dateString );
+    time.FormatL(dateString,(_L("%-B%:0%J%:1%T%:2%S%:3%+B")));
+    TMmsLogger::Log( _L(" - time %S"), &dateString );
+    }
+    
+#else
+// ---------------------------------------------------------
+// CMmsBaseOperation::LogDateL
+//
+// ---------------------------------------------------------
+void CMmsBaseOperation::LogDateL( const TTime& )
+    {
+    }
+    
+// ---------------------------------------------------------
+// CMmsBaseOperation::LogNetworkFormatDateL
+//
+// ---------------------------------------------------------
+void CMmsBaseOperation::LogNetworkFormatDateL( const TInt64& )
+    {
+    }
+#endif
+    
+    
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+//  End of File