/*

* 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:  

*     State machine for sending a forward request

*

*/

// INCLUDE FILES

#include    <apparc.h>

#include    <msventry.h>

#include    <msvids.h>

#include    <logcli.h>

#include    <commdb.h>

#include    <in_sock.h>

#include    <commdbconnpref.h>

#include    <featmgr.h>

// the rest are local includes, needed always

#include    "mmsconst.h"

#include    "mmsforwardoperation.h"

#include    "mmssession.h"

#include    "mmssettings.h"

#include    "mmsservercommon.h"

#include    "mmsheaders.h"

#include    "mmsencode.h"

#include    "mmsdecode.h"

#include    "mmsscheduledentry.h"

#include    "mmsgenutils.h"

#include    "mmslog.h"

#include    "mmserrors.h"

#include    "mmsserverentry.h"

#include    "mmsconninit.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

extern void gPanic( TMmsPanic aPanic );

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// ==================== LOCAL FUNCTIONS ====================

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// CMmsForwardOperation::CMmsForwardOperation

//

// ---------------------------------------------------------

//

CMmsForwardOperation::CMmsForwardOperation( RFs& aFs ):

    CMmsBaseOperation( aFs )

    {

    //

    // members that get initial value 0, need not be initialized here

    //

    }

// ---------------------------------------------------------

// CMmsForwardOperation::ConstructL

//

// ---------------------------------------------------------

//

void CMmsForwardOperation::ConstructL( CMmsSettings* aMmsSettings )

    {

    CMmsBaseOperation::ConstructL( aMmsSettings );

    iMmsRequestHeaders = CMmsHeaders::NewL( iMmsSettings->MmsVersion() );

    CActiveScheduler::Add( this );

    }

// ---------------------------------------------------------

// CMmsForwardOperation::NewL

//

// ---------------------------------------------------------

//

CMmsForwardOperation* CMmsForwardOperation::NewL( RFs& aFs, CMmsSettings* aMmsSettings )

    {

    CMmsForwardOperation* self = new ( ELeave ) CMmsForwardOperation( aFs );

    CleanupStack::PushL( self );

    self->ConstructL( aMmsSettings );

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------

// CMmsForwardOperation::~CMmsForwardOperation

//

// ---------------------------------------------------------

//

CMmsForwardOperation::~CMmsForwardOperation()

    {

    Cancel();

    delete iMmsRequestHeaders;

    }

// ---------------------------------------------------------

// CMmsForwardOperation::Failed

//

// ---------------------------------------------------------

//

CMsvEntrySelection& CMmsForwardOperation::Failed() const

    {

    return *iFailed;

    }

// ---------------------------------------------------------

// CMmsForwardOperation::EncodePDUL

//

// ---------------------------------------------------------

//

void CMmsForwardOperation::EncodePDUL()

    {

    #ifndef _NO_MMSS_LOGGING_

    TMmsLogger::Log( _L("CMmsForwardOperation EncodePDU") );

    #endif

    if( iError != KErrNone )

        {

        FallThrough();

        return;

        }

    //

    // Set entry's context to next message in the selection

    //

    iError = iServerEntry->SetEntry( iSelection->At( iCurrentMessageNo - 1 ) );

    if( iError != KErrNone )

        {

        #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L("- ERROR: SetEntry: %d"), iError );

        #endif

        FallThrough();

        return;

        }

    //

    // Getting write access to message's store because headers have to be

    // altered.

    //

    CMsvStore* store = NULL;

    TRAP( iError, store = iServerEntry->EditStoreL(); )

    if ( iError != KErrNone )

        {

        #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L("- ERROR: EditStoreL: %d"), iError );

        #endif

        FallThrough();

        return;

        }

    CleanupStack::PushL( store ); // ***

    //

    // Filling headers object from the data in the MessageStore

    //

    iMmsRequestHeaders->RestoreL( *store );

    //

    // Forward request headers that are not filled by application,

    // are added below

    //

    //

    // TransactionId

    //

    TBufC8<KMMSMAXTIDLENGTH> tid;

    tid.Des().NumUC( AllocateTID(), EHex );

    iMmsRequestHeaders->SetTidL( tid );

    //

    // Set messagetype

    //

    iMmsRequestHeaders->SetMessageType( KMmsMessageTypeForwardReq );

    //

    // Saving headers back to Message Store

    // No diskspace check done here, because the size of the data has not

    // really changed that much (headers already are on the disk).

    //

    iMmsRequestHeaders->StoreL( *store );

    store->CommitL();

    CleanupStack::PopAndDestroy( store );

    store = NULL;

    //

    // Encode the message

    //

    iServerEntry->SetEntry( KMsvNullIndexEntryId );

    iError = iEntryWrapper->SetCurrentEntry( iSelection->At( iCurrentMessageNo - 1 ) );

    if ( iError != KErrNone )

        {

        FallThrough();

        }

    else

        {

        iEncoder->EncodeHeadersL( *iMmsRequestHeaders, *iEncodeBuffer );

        FallThrough();

        }

    }

// ---------------------------------------------------------

// CMmsForwardOperation::UpdateEntryStatusL

//

// ---------------------------------------------------------

//

void CMmsForwardOperation::UpdateEntryStatusL()

    {

    #ifndef _NO_MMSS_LOGGING_

    TMmsLogger::Log( _L( "CMmsForwardOperation UpdateEntryStatusL()" ) );

    TMmsLogger::Log( _L( "- Updating notification flags" ) );

    #endif

    TInt error = KErrNone;

    TMsvEntry tEntry;

    // Fix for a case where the server is sending no response to forward request.

    // If we have got a response and already set iError to something, we don't

    // override it.

    if ( iResponse->MessageType() != KMmsMessageTypeForwardConf && iError == KErrNone )

        {

    #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L( "- Incorrect PDU type received: %d" ), iResponse->MessageType() );

    #endif

        iError = KMmsErrorStatusUnsupportedMessage;

        }

    //

    // Update the status of the notification entry

    //

    TMsvId notifId = iMmsRequestHeaders->RelatedEntry();

    error = iServerEntry->SetEntry( notifId );

    if ( error == KErrNone )

        {

        tEntry = iServerEntry->Entry();

        if( iError == KErrNone )

            {

            //

            // OK

            //

            tEntry.iMtmData2 &= ~KMmsOperationOngoing;      // not ongoing

            tEntry.iMtmData2 |= KMmsOperationFinished;      // finished

            tEntry.iMtmData2 &= ~KMmsOperationResult;       // OK

            tEntry.iMtmData2 &= ~KMmsNewOperationForbidden; // not forbidden

            // KMmsStoredInMMBox is left untouched

            }

        else if( iError == KMmsErrorOfflineMode )

            {

            // Leaving flags as they are

            }

        else // iError not equal to KErrNone/KMmsErrorOfflineMode

            {

            //

            // NOK

            //

            tEntry.iMtmData2 &= ~KMmsNewOperationForbidden; // not forbidden

            tEntry.iMtmData2 &= ~KMmsOperationOngoing;      // not ongoing

            tEntry.iMtmData2 |= KMmsOperationFinished;      // finished

            tEntry.iMtmData2 |= KMmsOperationResult;        // NOK

            // KMmsStoredInMMBox is left untouched

            }

        tEntry.SetReadOnly( ETrue );

        error = iServerEntry->ChangeEntry( tEntry );

        }

    #ifndef _NO_MMSS_LOGGING_

    if( error != KErrNone )

        {

        TMmsLogger::Log( _L( "- ERROR: could not change notification entry's flags!" ) );

        }

    #endif

    #ifndef _NO_MMSS_LOGGING_

    TMmsLogger::Log( _L( "- Updating forward entry state" ) );

    #endif

    //

    // Set context to forward entry

    //

    error = iServerEntry->SetEntry( iSelection->At( iCurrentMessageNo - 1 ) );

    if( error != KErrNone )

        {

        #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L( "- ERROR: could not get forward entry" ) );

        #endif

        if( iError == KErrNone )

            {

            iError = error;

            }

        FallThrough();

        return;

        }

    //

    // If notification has been successfully updated, clear the relatedId link

    //

    #ifndef _NO_MMSS_LOGGING_

    TMmsLogger::Log( _L( "0" ) );

    #endif

    if( iError != KMmsErrorOfflineMode )

        {

        #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L( "- clearing link to original notification" ) );

        #endif

        CMsvStore* store = iServerEntry->EditStoreL();

        CleanupStack::PushL( store ); // ***

        iMmsRequestHeaders->SetRelatedEntry( KMsvNullIndexEntryId );

        iMmsRequestHeaders->StoreL( *store );

        store->CommitL();

        CleanupStack::PopAndDestroy( store );

        }

    //

    // Update the status of the forward entry

    //

    tEntry = iServerEntry->Entry();

    if( iError == KErrNone )

        {

        #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L( "- forward succeeded" ) );

        #endif

        tEntry.SetFailed( EFalse );

        tEntry.SetSendingState( KMsvSendStateSent );

        // Take the entry out of failed list

        // (only offline cases should get rescheduled)

        iFailed->Delete( iCurrentMessageNo - 1 );

        }

    else if( iError == KMmsErrorOfflineMode )

        {

        #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L( "- forward failed due to Offline mode" ) );

        #endif

        tEntry.SetFailed( EFalse );

        tEntry.SetSendingState( KMmsOffLineState );        

        }

    else

        {

        #ifndef _NO_MMSS_LOGGING_

        TMmsLogger::Log( _L( "- forward failed" ) );

        #endif

        tEntry.SetFailed( ETrue );

        tEntry.SetSendingState( KMsvSendStateFailed );

        // Take the entry out of failed list in order not to get it rescheduled

        // (only offline cases should get rescheduled)

        iFailed->Delete( iCurrentMessageNo - 1 );

        }

    tEntry.SetConnected( EFalse );

    tEntry.iError = iError;

    tEntry.SetReadOnly( ETrue );

    error = iServerEntry->ChangeEntry( tEntry );

    #ifndef _NO_MMSS_LOGGING_

    if( error != KErrNone )

        {

        TMmsLogger::Log( _L( "- ERROR: could not change forward entry's flags!" ) );

        }

    #endif

    // Clear up

    iServerEntry->SetEntry( KMsvNullIndexEntryId );

    FallThrough();

    }

// ---------------------------------------------------------

// CMmsForwardOperation::MoveEntryL

//

// ---------------------------------------------------------

//

void CMmsForwardOperation::MoveEntryL()

    {

    #ifndef _NO_MMSS_LOGGING_

    TMmsLogger::Log( _L("CMmsForwardOperation MoveEntryL") );

    #endif

    //

    // If something has gone wrong, just falling through

    //

    if( iError != KErrNone )

        {

        FallThrough();

        return;

        }

    //

    // If all is well, the forwarded entry is moved to Sent folder,

    // or deleted, depending on the settings

    //

    TInt error = KErrNone;

    error = iServerEntry->SetEntry( iSelection->At( iCurrentMessageNo - 1 ) );

    if ( error == KErrNone )

        {

        TMsvEntry entry = iServerEntry->Entry();

        error = iServerEntry->SetEntry( entry.Parent() );

        if ( error == KErrNone )

            {

            if ( iMmsSettings->MoveToSent() )

                {

                // Move entry from Outbox to Sent Folder

                iServerEntry->MoveEntryWithinService( entry.Id(), KMsvSentEntryIdValue );

                }

            else

                {

                // Delete entry

                iServerEntry->DeleteEntry( entry.Id() );

                }

            }

        }

    iServerEntry->SetEntry( KMsvNullIndexEntryId );

    FallThrough();

    }

// ---------------------------------------------------------

// CMmsForwardOperation::LogL

//

// ---------------------------------------------------------

//

void CMmsForwardOperation::LogL()

    {

    #ifndef _NO_MMSS_LOGGING_

    TMmsLogger::Log( _L("CMmsForwardOperation LogL") );

    #endif

    TInt error = iServerEntry->SetEntry( iSelection->At( iCurrentMessageNo - 1 ) );

    if ( error != KErrNone || iError != KErrNone ||

        iMmsRequestHeaders->DeliveryReport() != EMmsYes )

        {

        // Can't access the entry or do not want logging, can't update log

        FallThrough();

        return;

        }

    TBool isActive = EFalse;    

    TRAP( error,

        {

        InitializeLoggingL();

        TMsvEntry entry = iServerEntry->Entry();

        // set event type and recipients to log event

        CommonLogEventInitializationL( *iMmsRequestHeaders, entry );

        iServerEntry->SetEntry( KMsvNullIndexEntryId );

        // if MMSC has accepted our message for fowarding, the message id is present

        // If the entry was not accepted, iError reflects the error   

        iLogEvent->SetDataL( iResponse->MessageId() );

        // CMmsLog will set our status to KRequestPending

        iMmsLog->StartL( *iLogEvent, *iRemoteParties, iStatus );

        SetActive();

        isActive = ETrue;

        });

    // If logging has been successfully initialized, iMmsLog will complete us.

    // If something has gone wrong, we complete ourselves because we want to

    // continue finalization of the operation. We free our entry in any case

    iServerEntry->SetEntry( KMsvNullIndexEntryId );

    if ( !isActive )

        {

        FallThrough();

        return;

        }

    }

// ================= OTHER EXPORTED FUNCTIONS ==============

//  End of File