// 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:

// Name        : CSatNotifySendUssd.cpp

// Part of     : Common SIM ATK TSY / commonsimatktsy

// SendUssd notification functionality of Sat Tsy

// Version     : 1.0

//

//INCLUDES

#include <satcs.h>                  // Etel SAT IPC definitions

#include "CSatTsy.h"                // Tsy class header

#include "CSatNotifySendUssd.h"     // Tsy class header

#include "CSatNotificationsTsy.h"   // Class header

#include "CBerTlv.h"                // Ber Tlv data handling

#include "TTlv.h"					// TTlv class

#include "CSatDataPackage.h"        // Parameter packing 

#include "TSatUtility.h"            // Utilities

#include "CSatTsyReqHandleStore.h"  // Request handle class

#include "cmmmessagemanagerbase.h"  // Message manager class for forwarding req.

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

// CSatNotifySendUssd::NewL

// Two-phased constructor.

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

//  

CSatNotifySendUssd* CSatNotifySendUssd::NewL

        ( 

        CSatNotificationsTsy* aNotificationsTsy 

        )

    {

   	CSatNotifySendUssd* const satNotifySendUssd = 

        new ( ELeave ) CSatNotifySendUssd( aNotificationsTsy );

    CleanupStack::PushL( satNotifySendUssd );

    satNotifySendUssd->ConstructL();

    CleanupStack::Pop( satNotifySendUssd );

    return satNotifySendUssd;

    }

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

// CSatNotifySendUssd::~CSatNotifySendUssd

// Destructor

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

//  

CSatNotifySendUssd::~CSatNotifySendUssd

        ( 

		// None

        )

    {

    }

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

// CSatNotifySendUssd::CSatNotifySendUssd

// Default C++ constructor

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

//  

CSatNotifySendUssd::CSatNotifySendUssd

        ( 

        CSatNotificationsTsy* aNotificationsTsy 

        ) : iNotificationsTsy ( aNotificationsTsy )

    {

    // None

    }

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

// CSatNotifySendUssd::ConstructL

// Symbian 2nd phase constructor

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

//  

void CSatNotifySendUssd::ConstructL

        (

        // None

        )

    {

    }

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

// CSatNotifySendUssd::Notify

// This request allows a client to be notified of a SEND USSD proactive 

// command

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

//

TInt CSatNotifySendUssd::Notify

        (

        const TTsyReqHandle aTsyReqHandle,

        const TDataPackage& aPackage 

        )

    {

    // Save data pointer to client side for completion

    iSendUssdV1Pckg = reinterpret_cast<RSat::TSendUssdV1Pckg*>( 

        aPackage.Des1n() );

    // Save the request handle

    iNotificationsTsy->iSatTsy->SaveReqHandle( aTsyReqHandle, 

		CSatTsy::ESatNotifySendUssdPCmdReqType );

    // Check if requested notification is already pending

    iNotificationsTsy->NotifySatReadyForNotification( KSendUssd );   

    return KErrNone;

    }

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

// CSatNotifySendUssd::CancelNotification

// This method cancels an outstanding asynchronous 

// NotifySendUssd request.

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

//

TInt CSatNotifySendUssd::CancelNotification

        (

        const TTsyReqHandle aTsyReqHandle 

        )

    {

    // Reset the request handle

    TTsyReqHandle reqHandle = iNotificationsTsy->iSatReqHandleStore->

        ResetTsyReqHandle( CSatTsy::ESatNotifySendUssdPCmdReqType );

	// Reset the data pointer

	iSendUssdV1Pckg = NULL;

	// Complete the request with KErrCancel

	iNotificationsTsy->iSatTsy->ReqCompleted( aTsyReqHandle, KErrCancel );

    return KErrNone;    

    }

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

// CSatNotifySendUssd::CompleteNotifyL

// This method completes an outstanding asynchronous 

// NotifySendUssd request. 

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

//

TInt CSatNotifySendUssd::CompleteNotifyL

        (

        CSatDataPackage* aDataPackage,   

        TInt aErrorCode                  

        )

    {

	TInt ret( KErrNone );

	TInt returnValue( KErrNone );

	TBuf<1> additionalInfo;

	TBuf<1> emptyText;	

    // Unpack parameters

    TPtrC8* data;

    aDataPackage->UnPackData( &data );

    // Reset req handle. Returns the deleted req handle

    TTsyReqHandle reqHandle = 

		iNotificationsTsy->iSatReqHandleStore->ResetTsyReqHandle( 

        CSatTsy::ESatNotifySendUssdPCmdReqType );

	// Get ber tlv

	CBerTlv berTlv;

    berTlv.SetData( *data );	

	// Get command details tlv

    CTlv commandDetails;

    berTlv.TlvByTagValue( &commandDetails, KTlvCommandDetailsTag );

    // Store command details tlv

    iNotificationsTsy->iTerminalRespData.iCommandDetails.Copy( 

    		commandDetails.Data() );

	TUint8 pCmdNumber( commandDetails.GetShortInfo( ETLV_CommandNumber ) );

    // In case the request was ongoing, continue..

    if ( CSatTsy::ESatReqHandleUnknown != reqHandle )

        {

        // Complete right away if error has occured, otherwise continue..

        if ( KErrNone == aErrorCode )

            {

			// Fill the Send Ussd structure             

			RSat::TSendUssdV1& sendUssdV1 = ( *iSendUssdV1Pckg )();			

			// Store command number

			sendUssdV1.SetPCmdNumber( pCmdNumber );

			TPtrC8 sourceStr; // Used with Copy8to16 function

			// Alpha id string (optional)

			sendUssdV1.iAlphaId.iAlphaId.Zero();

			CTlv alphaIdentifier;

			returnValue = berTlv.TlvByTagValue( &alphaIdentifier, 

				KTlvAlphaIdentifierTag );

			if ( KErrNotFound != returnValue )

				{

				TUint16 alphaIdLength = alphaIdentifier.GetLength() ;

				if ( RSat::KAlphaIdMaxSize < alphaIdLength )

					{

					// String too long

					additionalInfo.Zero();

                    additionalInfo.Append( KNoCause );

					CreateTerminalRespL( pCmdNumber,

						RSat::KMeUnableToProcessCmd, additionalInfo, 

						emptyText );

					ret = KErrCorrupt;

					}

				else if ( alphaIdLength )

					{

					// get the alpha id

					sourceStr.Set( alphaIdentifier.GetData( ETLV_AlphaIdentifier ) );

					// convert and set the alpha id

					TSatUtility::SetAlphaId( sourceStr , 

						sendUssdV1.iAlphaId.iAlphaId ); 

					}

				// Check alpha id status

				// Alpha Tag present

				if ( sendUssdV1.iAlphaId.iAlphaId.Length() )

					{

					sendUssdV1.iAlphaId.iStatus = RSat::EAlphaIdProvided;

					}

				else

					{

					sendUssdV1.iAlphaId.iStatus = RSat::EAlphaIdNull;

					}  

				}

			else

				{

				sendUssdV1.iAlphaId.iStatus = RSat::EAlphaIdNotPresent;

				}

			// Ussd string (mandatory)

			CTlv ussdTlv;

			sendUssdV1.iUssdString.iUssdString.Zero();

			returnValue = berTlv.TlvByTagValue( &ussdTlv, 

				KTlvUssdStringTag );

			if ( KErrNone == returnValue )

				{

	            // Get the data coding scheme from the ISI msg

	            // and set the corresponding ETel Sat data field.

	            // The DCS is coded as for Cell Broadcast.

	            sendUssdV1.iUssdString.iDcs = 

	                ussdTlv.GetShortInfo( ETLV_DataCodingScheme );

	            // Decode DCS

	            TSmsDcs decodedDcs( ESmsUnknownOrReservedDcs );

	            decodedDcs = TSatUtility::DecodeCbsDcs( 

	            	sendUssdV1.iUssdString.iDcs );

	            TPtrC8 ussdString = ussdTlv.GetData( ETLV_UssdString ); 

	            TUint16 ussdStringLengthInBytes = (TUint16) ( 

	                ussdString.Length() );

	            if ( (  ( ESms16BitDcs==decodedDcs ) 

	                   && 2*RSat::KStringMaxSize<ussdStringLengthInBytes)

	               || ( ( ESms8BitDcs==decodedDcs ) 

	                  && RSat::KStringMaxSize<ussdStringLengthInBytes)

	               || ( ( ESms7BitDcs==decodedDcs ) 

	                  && RSat::KStringMaxSize<8*ussdStringLengthInBytes/7))

                	{

                	// The Ussd text string is too long.

					// Text string too long

					ret = KErrCorrupt;

					additionalInfo.Zero();

					CreateTerminalRespL( pCmdNumber, 

					    RSat::KCmdDataNotUnderstood, additionalInfo, 

						emptyText);   

					}

				else

					{

	                // Conversion to 16-bit following the DCS

	                switch ( decodedDcs )

	                    {

	                    case ESms7BitDcs:

	                        {

	                        TBuf8<RSat::KStringMaxSize> ussdString8;

	                        TSatUtility::Packed7to8Unpacked( ussdString, 

	                            ussdString8 );

	                        TSatUtility::Convert7BitToUnicode16( ussdString8,

	                            sendUssdV1.iUssdString.iUssdString );

	                        break;

	                        }

	                    case ESms8BitDcs:

	                        {

	                        TSatUtility::Convert7BitToUnicode16( ussdString,

	                            sendUssdV1.iUssdString.iUssdString );	                        

	                        break;

	                        }

	                    case ESms16BitDcs:

	                        {

	                        TSatUtility::Copy8to16LE( ussdString , 

	                        	sendUssdV1.iUssdString.iUssdString );

	                        break;

	                        }

	                    default:

	                        {

	                        // The DCS has a reserved value

	                        ret = KErrCorrupt;

							additionalInfo.Zero();

							CreateTerminalRespL( pCmdNumber,

								RSat::KCmdDataNotUnderstood, additionalInfo,

								emptyText );  

	                        break;

	                        }     

	                    }

					}

				}

			else

				{

				// Mandatory field missing

				ret = KErrCorrupt;

				additionalInfo.Zero();

				CreateTerminalRespL(

					pCmdNumber, RSat::KErrorRequiredValuesMissing,

					additionalInfo, emptyText );  

				}

        	if ( KErrNone == ret )

            	{

				// Iconid 

				TSatUtility::FillIconStructure( berTlv, 

					sendUssdV1.iIconId );

            	}

		    } // End of if (KErrNone == aErrorCode)

        else

        	{

        	ret = aErrorCode;

        	}

        iNotificationsTsy->iSatTsy->ReqCompleted( reqHandle, ret );

        } // End of if ( reqHandle != CSatTsy::ESatReqHandleUnknown )	

	else 

        {

        // Request not on, returning response immediately

        additionalInfo.Zero();

        additionalInfo.Append( KNoCause );

		CreateTerminalRespL(

			pCmdNumber, RSat::KMeUnableToProcessCmd,

			additionalInfo, emptyText);  

		}

    return ret;

    }

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

// CSatNotifySendUssd::TerminalResponseL

// Called by ETel server, passes terminal response to DOS

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

//

TInt CSatNotifySendUssd::TerminalResponseL

        ( 

        TDes8* aRsp 

        )

    {

    TInt ret( KErrNone );

    TBuf<RSat::KAdditionalInfoMaxSize> additionalInfo;

    RSat::TSendUssdRspV1Pckg* aRspPckg = 

            reinterpret_cast<RSat::TSendUssdRspV1Pckg*>( aRsp );

    RSat::TSendUssdRspV1& rspV1 = ( *aRspPckg ) ();

    // Get Proactive command number

    TUint8 pCmdNumber( rspV1.PCmdNumber() );

    // Check that general result values are valid

    if ( ( RSat::KSuccess != rspV1.iGeneralResult )

        && ( RSat::KPartialComprehension != rspV1.iGeneralResult )

        && ( RSat::KMissingInformation != rspV1.iGeneralResult )

        && ( RSat::KSuccessRequestedIconNotDisplayed != rspV1.iGeneralResult )

        && ( RSat::KModifiedByCallControl != rspV1.iGeneralResult )

        && ( RSat::KUssdTransactionTerminatedByUser != rspV1.iGeneralResult )

        && ( RSat::KInteractionWithCCTemporaryError != rspV1.iGeneralResult )

        && ( RSat::KCmdTypeNotUnderstood != rspV1.iGeneralResult )

        && ( RSat::KCmdDataNotUnderstood != rspV1.iGeneralResult )

        && ( RSat::KCmdNumberNotKnown != rspV1.iGeneralResult )

        && ( RSat::KErrorRequiredValuesMissing != rspV1.iGeneralResult )

        && ( RSat::KInteractionWithCCPermanentError != rspV1.iGeneralResult )     

        && ( RSat::KMeUnableToProcessCmd != rspV1.iGeneralResult )

        && ( RSat::KNetworkUnableToProcessCmd != rspV1.iGeneralResult )

        && ( RSat::KCmdBeyondMeCapabilities != rspV1.iGeneralResult )

        && ( RSat::KUssdReturnError != rspV1.iGeneralResult ) )

        {

        // Invalid general result

        ret = KErrCorrupt;

        }

    // If there is Me (Mobile Entity) error, network error or text string,

    // additional info is needed

    additionalInfo.Zero();

    if ( ( RSat::KMeProblem == rspV1.iInfoType )

        || ( RSat::KCallControlRequestedAction == rspV1.iInfoType )

        || ( RSat::KSatNetworkErrorInfo == rspV1.iInfoType )

        || ( RSat::KTextString == rspV1.iInfoType ) )

        {

        // Check the length of additional info:

        if ( 0 == rspV1.iAdditionalInfo.Length() )

            {

            // No info

            ret = KErrCorrupt;

            }

        else if ( RSat::KTextString == rspV1.iInfoType )

            {

            // Text string - additional info for a 

            // successful GET INKEY, GET INPUT or SEND USSD.

            // --> Not used by SAT Server when the command has been

            // performed successfully, SAT Server uses the 

            // rspV1.iUssdString.iUssdString to return the USSD string

            // sent by the network.

            }            

        else

            {

            additionalInfo.Zero();          

            additionalInfo.Append( rspV1.iAdditionalInfo[0] );

            }

        }

    TInt response = CreateTerminalRespL( pCmdNumber, static_cast<TUint8>( rspV1.iGeneralResult ), 

        additionalInfo, rspV1.iUssdString.iUssdString,                            

        rspV1.iUssdString.iDcs );                    

    if( KErrNone == ret)

    	{

    	ret = response;

    	}

    return ret;

    }

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

// CSatNotifySendUssd::CreateTerminalRespL

// Constructs SendUssd specific part of terminal response and calls 

// DOS to send the actual message.

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

//

TInt CSatNotifySendUssd::CreateTerminalRespL

        ( 

        TUint8 aPCmdNumber,         

        TUint8 aGeneralResult,      

        TDesC16& aAdditionalInfo,	

        TDesC16& aTextString,       

		TUint8 aDcs		

		)

    {

    TTlv tlvSpecificData;

    TBuf8<RSat::KStringMaxSize> string;

    tlvSpecificData.AddTag( KTlvResultTag );

    tlvSpecificData.AddByte( aGeneralResult );

    if( !iNotificationsTsy->CommandPerformedSuccessfully( aGeneralResult ) )

    	{

	    // For the general results '20', '21', '37', '38' it is mandatory for the 

	    // ME to provide a specific cause value as additional info

	    if ( ( RSat::KMeUnableToProcessCmd == aGeneralResult ) || 

	         ( RSat::KNetworkUnableToProcessCmd == aGeneralResult ) || 

	         ( RSat::KUssdReturnError == aGeneralResult) || 

	         ( RSat::KMultipleCardCmdsError == aGeneralResult) )

	        {

	        for ( TInt i = 0; i < aAdditionalInfo.Length(); i++ )

	            {

	            tlvSpecificData.AddByte( ( TUint8 ) ( 

	            	aAdditionalInfo[i] & 0x00FF ) );

	            }

	        }

        }

    else

        {

        // Append received Ussd text string, with a Text string tag

        tlvSpecificData.AddTag( KTlvTextStringTag );  

        // Decode DCS

        // Remains to know if SatServer sets the general result to

        // KUssdReturnError when the DCS has a reserved value. 

        TSmsDcs decodedDcs( ESmsUnknownOrReservedDcs );

        decodedDcs = TSatUtility::DecodeCbsDcs( aDcs ); 

        //Data Coding Scheme for Text String

        tlvSpecificData.AddByte( (TUint8)decodedDcs );        

        switch ( decodedDcs )

            {

            case ESms7BitDcs:

                {

                // Convert the Response string (which comes in the form of 

                // a TBuf (unicode)) to 7-bit gsm format.                      

                TSatUtility::UCSToPacked7( aTextString, string );                                

                break;

                }

            case ESms8BitDcs:            

                {

                // Convert the Response string (which comes in the form of 

                // a TBuf (unicode)) to 7-bit gsm format.      

                TSatUtility::ConvertUnicode16To7Bit( aTextString, string );

                break;