/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

*

*/

#include <kernel.h>               // For Kern

#include "isinameservice.h"       // For DISINameService

#include "misiobjectrouterif.h"   // For MISIObjectRouterIf

#include "isinameservicetrace.h"  // For C_TRACE, ASSERT_RESET.. and fault codes

#include "memapi.h"               // For MemApi

#include <phonetisi.h>            // For ISI_HEADER_SIZE

#include <pn_const.h>             // For PN_NAMESERVICE

#include <nsisi.h>                // For PN

#ifdef INTERNAL_FLAG_ISI_ROUTER_IN_USE

#include "isihelpers.h"           // For SET_RECEIVER_OBJ...

#else

#include "iadhelpers.h"           // For SET_RECEIVER_OBJ...

#endif

#include "namerecords.h"          // For DNameRecords

#include <iscnokiadefinitions.h>  // For THIS_DEVICE

#include <commisi.h>              // For SIZE_COMMON_MESSAGE_COMM_ISA_ENTITY_NOT_REACHABLE_RESP

// Faults

enum TISINameServiceFaults

    {

    EISINameServiceMemAllocFailure = 0x01,

    EISINameServiceNullPointer,

    EISINameServiceUnknownMessage,

    EISINameServiceMutexCreateFailed,

    EISINameServiceMutexWaitFailed,

    };

/* PUTB8 macro writes byte value to given address.

 * This macro is used mainly by other PUTBXX macros.

 */

#define PUTB8(p,v) \

    {(*(TUint8 *)(p)) = ((TUint8)(v));}

/* PUTB16 macro writes 16-bit value in Big Endian format

 * to given address. 16-bit value is written as two separate

 * bytes, and so this macro can write 16-bit value to whatever

 * address, regardless of the processor alignment restrictions

 */

#define PUTB16(p,v) \

    {PUTB8((p),(TUint16)(v)>>8); PUTB8((TUint8*)(p)+1,v);}

/* PUTB32 macro writes 32-bit value in Big Endian format

 * to given address. 32-bit value is written as four separate

 * bytes, and so this macro can write 32-bit value to whatever

 * address, regardless of the processor alignment restrictions

 */

#define PUTB32(p,v) \

    {PUTB16((p),(TUint32)(v)>>16); PUTB16((TUint8*)(p)+2,(TUint32)(v));}

/**

 *    Big Endian to local endian type

 */

 /* GETB8 macro returns byte value from given address.

 * This macro is used mainly by other GETBXX macros.

 */

#define GETB8(p) \

    (*(TUint8 *)(p))

/* GETB16 macro reads 16-bit value in Big Endian format

 * from given address. 16-bit value is read as two separate

 * bytes, and so this macro can read 16-bit value from whatever

 * address, regardless of the processor alignment restrictions

 */

#define GETB16(p) \

    (((TUint16) GETB8(p)<<8) | (TUint16) GETB8((TUint8 *)(p)+1))

/* GETB32 macro reads 32-bit value in Big Endian format

 * from given address. 32-bit value is read as four separate

 * bytes, and so this macro can read 32-bit value from whatever

 * address, regardless of the processor alignment restrictions

 */

#define GETB32(p) \

    (((TUint32) GETB16(p)<<16) | (TUint32) GETB16((TUint8 *)(p)+2))

const TUint32 KNameServiceUID( 0x2002A5A1 );

const TUint8 KFiller( 0 );

DISINameService* DISINameService::iThisptr = NULL;

DMutex* DISINameService::iNameServiceMutex = NULL;

_LIT8( KNameServiceMutex, "KNameServiceMutex" );

DISINameService::DISINameService(

        // None

        )

    : iObjId( 0x00 )

    {

    C_TRACE( ( _T( "DISINameService::DISINameService 0x%x 0x%x>" ), iObjId, iRouter ) );

    iRouter = MISIObjectRouterIf::Connect( KNameServiceUID, iObjId, this );

    ASSERT_RESET_ALWAYS( iRouter, ( EISINameServiceNullPointer | EDISINameServiceTraceId << KClassIdentifierShift ) );

    iNameRecords = new DNameRecords();

    ASSERT_RESET_ALWAYS( iNameRecords, ( EISINameServiceMemAllocFailure | EDISINameServiceTraceId << KClassIdentifierShift ) );

    TInt err( Kern::MutexCreate( iNameServiceMutex, KNameServiceMutex, KMutexOrdGeneral0 ) );

    ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EISINameServiceMutexCreateFailed | EDISINameServiceTraceId << KClassIdentifierShift ) );

    C_TRACE( ( _T( "DISINameService::DISINameService 0x%x 0x%x<" ), iObjId, iRouter ) );

    }

DISINameService::~DISINameService(

        // None

        )

    {

    C_TRACE( ( _T( "DISINameService::~DISINameService>" ) ) );

    if( iNameRecords )

        {

        delete iNameRecords;

        iNameRecords = NULL;

        }

    C_TRACE( ( _T( "DISINameService::~DISINameService<" ) ) );

    }

void DISINameService::Receive( const TDesC8& aMessage )

    {

    C_TRACE( ( _T( "DISINameService::Receive 0x%x>" ), &aMessage ) );

    TInt err( Kern::MutexWait( *iNameServiceMutex ) );

    ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EISINameServiceMutexWaitFailed | EDISINameServiceTraceId << KClassIdentifierShift ) );

    TUint8* msgPtr( (TUint8*)aMessage.Ptr() );

    TUint8 resource = msgPtr[ ISI_HEADER_OFFSET_RESOURCEID ];

    if(  resource == PN_NAMESERVICE )

        {

        C_TRACE( ( _T( "DISINameService message to PN_NAMESERVICE" ) ) );

        HandlePNSNameMessage( aMessage );

        }

    else

        {

        //RouterByResource( aMessage );

        C_TRACE( ( _T( "DISINameService message to RESOURCE : %d" ),resource  ) );

        //look for nametable by resource in message

        TUint16 phonetAddress = 0;

        TInt32 error = iNameRecords->LookupPhonetAddress(resource, &phonetAddress);

        if( KErrNone == error  )

            {

            //change phonet addr to current message from table entries

            msgPtr[ISI_HEADER_OFFSET_RECEIVERDEVICE] = (TUint8)( (phonetAddress & 0xFF00) >> 8);

            msgPtr[ISI_HEADER_OFFSET_RECEIVEROBJECT] = (TUint8) (phonetAddress & 0xFF);

            TDes8* messagePtr = reinterpret_cast<TDes8*>( const_cast<TDesC8*>(&aMessage) );

            //send data to router for handling

            iRouter->Send( *messagePtr, iObjId);

            }

        else

            {

            //construct not reachable resp message

            C_TRACE( ( _T( "DISINameService::Receive **ELSE** !!" )  ) );

            BuildAndSendCommIsaEntityNotReachableResp(aMessage);

            }

        }

    Kern::MutexSignal( *iNameServiceMutex );

    C_TRACE( ( _T( "DISINameService::DISINameService<" ) ) );

    }

void DISINameService::HandleNameQueryResp( const TDesC8& aMessage, const TUint8* msgPtr )

    {

    C_TRACE( ( _T( "DISINameService::HandleNameQueryResp>" ) ) );

    TUint32 name = GETB32( &msgPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_REQ_OFFSET_NAME ] );

    TUint32 mask = GETB32( &msgPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_REQ_OFFSET_BITMASK ] );

    RArray <TNameTable*> nameTable;

    TInt32 count = iNameRecords->NameQuery( name, mask, &nameTable );

    TUint16 msgLength = ( SIZE_PNS_NAME_QUERY_RESP + ( count * SIZE_PN_NAME_SRV_ITEM_STR ) );

    TDes8& respMsg = MemApi::AllocBlock( msgLength );

    respMsg.SetLength( msgLength );

    TUint8* respPtr = const_cast<TUint8*>( respMsg.Ptr() );

    respPtr[ ISI_HEADER_OFFSET_MEDIA ] = msgPtr[ ISI_HEADER_OFFSET_MEDIA ];

    SET_RECEIVER_DEV( respPtr, msgPtr[ ISI_HEADER_OFFSET_SENDERDEVICE ] );

    SET_SENDER_DEV( respPtr, PN_DEV_OWN );

    respPtr[ ISI_HEADER_OFFSET_RESOURCEID ] = PN_NAMESERVICE;

    SET_LENGTH( respPtr, ( msgLength - PN_HEADER_SIZE ) );

    SET_RECEIVER_OBJ( respPtr, msgPtr[ ISI_HEADER_OFFSET_SENDEROBJECT ] );

    SET_SENDER_OBJ( respPtr, PN_OBJ_ROUTER );

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_UTID ] = msgPtr[ ISI_HEADER_OFFSET_TRANSID ];

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_SUBFUNCTION ]= PNS_NAME_QUERY_RESP;

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_TOTALMATCHES ] = count >> 8;

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_TOTALMATCHES + 1 ] = count;

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_MATCHESINMSG ] = count >> 8;

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_MATCHESINMSG + 1 ] = count;

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_RESERVED1 ] = KFiller;

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_RESERVED2 ] = KFiller;

    TUint16 index = ISI_HEADER_SIZE + PNS_NAME_QUERY_RESP_OFFSET_NAMEENTRYTBL;

    for( int i = 0; i < count; i++)

        {

        //AddNameTable();

        TNameTable* tmp = (nameTable)[ i ];

        // Name

        respPtr[ index++ ] = (TUint8)(tmp->iName >> 24);

        respPtr[ index++ ] = (TUint8)(tmp->iName >> 16);

        respPtr[ index++ ] = (TUint8)(tmp->iName >> 8);

        respPtr[ index++ ] = (TUint8)(tmp->iName);

        // DevId

        respPtr[ index++ ] = (TUint8)(tmp->iPhonetAddress >> 8);

        // ObjId

        respPtr[ index++ ] = (TUint8)(tmp->iPhonetAddress);

        // Record flags

        respPtr[ index++ ] = tmp->iFlags;

        respPtr[ index++ ] = KFiller; // Reserved

        }

    iRouter->Send( respMsg, iObjId );

    TDes8* block = reinterpret_cast<TDes8*>( const_cast<TDesC8*>(&aMessage) );

    MemApi::DeallocBlock( *block );

    C_TRACE( ( _T( "DISINameService::HandleNameQueryResp<" ) ) );

    }

void DISINameService::HandleNameRemoveResp( const TDesC8& aMessage, const TUint8* msgPtr )

    {

    C_TRACE( ( _T( "DISINameService::HandleNameRemoveResp>" ) ) );

    TUint32 name = GETB32( &msgPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_REQ_OFFSET_NAME ] );

    TInt8 err = iNameRecords->RemoveName( name );

    C_TRACE( ( _T( "DISINameService PNS_NAME_REMOVE_RESP 0x%x>" ), name ) );

    TUint16 msgLength( ISI_HEADER_SIZE + SIZE_PNS_NAME_REMOVE_RESP );

    TDes8& respMsg = MemApi::AllocBlock( msgLength );

    respMsg.SetLength( msgLength );

    TUint8* respPtr = const_cast<TUint8*>( respMsg.Ptr() );

    respPtr[ ISI_HEADER_OFFSET_MEDIA ] = msgPtr[ ISI_HEADER_OFFSET_MEDIA ];

    SET_RECEIVER_DEV( respPtr, msgPtr[ ISI_HEADER_OFFSET_SENDERDEVICE ] );

    SET_SENDER_DEV( respPtr, PN_DEV_OWN );

    respPtr[ ISI_HEADER_OFFSET_RESOURCEID ] = PN_NAMESERVICE;

    SET_LENGTH( respPtr, ( msgLength - PN_HEADER_SIZE ) );

    SET_RECEIVER_OBJ( respPtr, msgPtr[ ISI_HEADER_OFFSET_SENDEROBJECT ] );

    SET_SENDER_OBJ( respPtr, PN_OBJ_ROUTER );

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_RESP_OFFSET_UTID ] = msgPtr[ ISI_HEADER_OFFSET_TRANSID ];

    respPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_RESP_OFFSET_SUBFUNCTION ] = PNS_NAME_REMOVE_RESP;

    if( msgPtr[ ISI_HEADER_OFFSET_SENDERDEVICE ] == PN_DEV_OWN )

        {

        respPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_RESP_OFFSET_REASON ] = err;

        iRouter->Send( respMsg, iObjId );

        if( PN_NAME_OK == err )

            {

            C_TRACE( ( _T( "DISINameService PNS_NAME_REMOVE_IND>" ) ) );

            msgLength = ( SIZE_PNS_NAME_REMOVE_IND + PNS_NAME_REMOVE_IND_OFFSET_NAMEENTRYTBL );

            TDes8& indMsg = MemApi::AllocBlock( msgLength );

            indMsg.SetLength( msgLength );

            TUint8* indPtr = const_cast<TUint8*>( indMsg.Ptr() );

            indPtr[ ISI_HEADER_OFFSET_MEDIA ] = PN_MEDIA_ROUTING_REQ;

            SET_RECEIVER_DEV( indPtr, msgPtr[ ISI_HEADER_OFFSET_SENDERDEVICE ] );

            SET_SENDER_DEV( indPtr, PN_DEV_OWN );

            indPtr[ ISI_HEADER_OFFSET_RESOURCEID ] = PN_NAMESERVICE;

            SET_LENGTH( indPtr, ( msgLength - PN_HEADER_SIZE ) );

            SET_RECEIVER_OBJ( indPtr, PN_OBJ_EVENT_MULTICAST ); //communicationmanager

            SET_SENDER_OBJ( indPtr, PN_OBJ_ROUTER );

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_UTID ] = 0x00;

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_SUBFUNCTION ]= PNS_NAME_REMOVE_IND;

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_TOTALMATCHES ] = 0x00;

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_TOTALMATCHES + 1 ] = 0x01;

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_MATCHESINMSG ] = 0x00;

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_MATCHESINMSG + 1 ] = 0x01;

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_RESERVED1 ] = KFiller;

            indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_RESERVED2 ] = KFiller;

            PUTB32( &indPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_IND_OFFSET_NAMEENTRYTBL + PN_NAME_SRV_ITEM_STR_OFFSET_NAME ], name );

            iRouter->Send( indMsg, iObjId );

            TDes8* block = reinterpret_cast<TDes8*>( const_cast<TDesC8*>(&aMessage) );

            MemApi::DeallocBlock( *block );

            C_TRACE( ( _T( "DISINameService PNS_NAME_QUERY_IND<" ) ) );

            }

        C_TRACE( ( _T( "DISINameService PNS_NAME_REMOVE_RESP<" ) ) );

        }

    else

        {

        C_TRACE( ( _T( "DISINameService::HandlePNSNameMessage PNS_NAME_REMOVE_REQ from other device, PN_NAME_NOT_ALLOWED" ) ) );

        respPtr[ ISI_HEADER_SIZE + PNS_NAME_REMOVE_RESP_OFFSET_REASON ] = PN_NAME_NOT_ALLOWED;

        iRouter->Send( respMsg, iObjId );

        }

    C_TRACE( ( _T( "DISINameService::HandleNameRemoveResp<" ) ) );

    }

void DISINameService::HandlePNSNameMessage( const TDesC8& aMessage )

    {

    C_TRACE( ( _T( "DISINameService::HandlePNSNameMessage 0x%x>" ), &aMessage ) );

    const TUint8* msgPtr( aMessage.Ptr() );

    TInt8 err( KErrArgument );

    switch( msgPtr[ ISI_HEADER_OFFSET_MESSAGEID ] )

        {

        case PNS_NAME_QUERY_REQ:

            {

            C_TRACE( ( _T( "DISINameService PNS_NAME_QUERY_REQ>" ) ) );

            HandleNameQueryResp( aMessage, msgPtr );

            C_TRACE( ( _T( "DISINameService PNS_NAME_QUERY_REQ<" ) ) );

            break;

            }

        case PNS_NAME_ADD_REQ:

            {

            C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_REQ>" ) ) );

            TUint16 msgLength( ISI_HEADER_SIZE + SIZE_PNS_NAME_ADD_RESP );

            TDes8& respMsg = MemApi::AllocBlock( msgLength );

            respMsg.SetLength( msgLength );

            TUint8* respPtr = const_cast<TUint8*>( respMsg.Ptr() );

            respPtr[ ISI_HEADER_OFFSET_MEDIA ] = msgPtr[ ISI_HEADER_OFFSET_MEDIA ];

            SET_RECEIVER_DEV( respPtr, msgPtr[ ISI_HEADER_OFFSET_SENDERDEVICE ] );

            SET_SENDER_DEV( respPtr, PN_DEV_OWN );

            respPtr[ ISI_HEADER_OFFSET_RESOURCEID ] = PN_NAMESERVICE;

            SET_LENGTH( respPtr, ( msgLength - PN_HEADER_SIZE ) );

            SET_RECEIVER_OBJ( respPtr, msgPtr[ ISI_HEADER_OFFSET_SENDEROBJECT ] );

            SET_SENDER_OBJ( respPtr, PN_OBJ_ROUTER );

            respPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_RESP_OFFSET_UTID ] = msgPtr[ ISI_HEADER_OFFSET_TRANSID ];

            respPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_RESP_OFFSET_SUBFUNCTION ] = PNS_NAME_ADD_RESP;

            if( msgPtr[ ISI_HEADER_OFFSET_SENDERDEVICE ] == PN_DEV_OWN )

                {

                C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_REQ from this device" ) ) );

                TUint32 name = GETB32( &msgPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_REQ_OFFSET_NAMEENTRY ] );

                TUint16 phonetAddr = GETB16( &msgPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_REQ_OFFSET_NAMEENTRY + PN_NAME_SRV_ITEM_STR_OFFSET_DEV ] );

                TUint8 flags = msgPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_REQ_OFFSET_NAMEENTRY + PN_NAME_SRV_ITEM_STR_OFFSET_FLAGS ];

                err = iNameRecords->AddName( name, phonetAddr, flags );

                respPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_RESP_OFFSET_REASON ] = err;

                iRouter->Send( respMsg, iObjId );

                C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_RESP from this device<" ) ) );

                if( err == PN_NAME_OK )

                    {

                    C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_IND>" ) ) );

                    msgLength = ( SIZE_PNS_NAME_ADD_IND + ( SIZE_PN_NAME_SRV_ITEM_STR ) );

                    TDes8& indMsg = MemApi::AllocBlock( msgLength );

                    indMsg.SetLength( msgLength );

                    TUint8* indPtr = const_cast<TUint8*>( indMsg.Ptr() );

                    indPtr[ ISI_HEADER_OFFSET_MEDIA ] = PN_MEDIA_ROUTING_REQ;

                    SET_RECEIVER_DEV( indPtr, msgPtr[ ISI_HEADER_OFFSET_SENDERDEVICE ] );

                    SET_SENDER_DEV( indPtr, PN_DEV_OWN );

                    indPtr[ ISI_HEADER_OFFSET_RESOURCEID ] = PN_NAMESERVICE;

                    SET_LENGTH( indPtr, ( msgLength - PN_HEADER_SIZE ) );

                    SET_RECEIVER_OBJ( indPtr, PN_OBJ_EVENT_MULTICAST ); //communicationmanager

                    SET_SENDER_OBJ( indPtr, PN_OBJ_ROUTER );

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_UTID ] = 0x00;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_SUBFUNCTION ]= PNS_NAME_ADD_IND;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_TOTALMATCHES ] = 0x00;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_TOTALMATCHES + 1 ] = 0x01;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_MATCHESINMSG ] = 0x00;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_MATCHESINMSG + 1 ] = 0x01;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_RESERVED1 ] = KFiller;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_RESERVED2 ] = KFiller;

                    PUTB32( &indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_NAMEENTRYTBL + PN_NAME_SRV_ITEM_STR_OFFSET_NAME ], name );

                    PUTB16( &indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_NAMEENTRYTBL + PN_NAME_SRV_ITEM_STR_OFFSET_DEV ], phonetAddr );

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_NAMEENTRYTBL + PN_NAME_SRV_ITEM_STR_OFFSET_FLAGS ] = flags;

                    indPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_IND_OFFSET_NAMEENTRYTBL + PN_NAME_SRV_ITEM_STR_OFFSET_RESERVED ] = KFiller;

                    iRouter->Send( indMsg, iObjId );

                    C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_IND<" ) ) );

                    }

                }

            else

                {

                C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_REQ from other device>" ) ) );

                respPtr[ ISI_HEADER_SIZE + PNS_NAME_ADD_RESP_OFFSET_REASON ] = PN_NAME_NOT_ALLOWED;

                iRouter->Send( respMsg, iObjId );

                C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_RESP from other device<" ) ) );

                }

            TDes8* block = reinterpret_cast<TDes8*>( const_cast<TDesC8*>(&aMessage) );

            MemApi::DeallocBlock( *block );

            C_TRACE( ( _T( "DISINameService PNS_NAME_ADD_REQ<" ) ) );

            break;

            }

        case PNS_NAME_REMOVE_REQ:

            {

            C_TRACE( ( _T( "DISINameService PNS_NAME_REMOVE_REQ>" ) ) );

            HandleNameRemoveResp( aMessage, msgPtr );

            C_TRACE( ( _T( "DISINameService PNS_NAME_REMOVE_REQ<" ) ) );

            break;

            }

        default:

            {

            ASSERT_RESET_ALWAYS( 0, ( EISINameServiceUnknownMessage | EDISINameServiceTraceId << KClassIdentifierShift ) );

            C_TRACE( ( _T( "DISINameService::HandlePNSNameMessage unknown NAMESERVICE message" )  ) );

            }

        }

    C_TRACE( ( _T( "DISINameService::HandlePNSNameMessage<" ) ) );

    }

EXPORT_C TBool MISICommunicationManagerIf::IsValidResource(

        const TDesC8& aMessage

        )

    {

    C_TRACE( ( _T( "DISINameService::IsValidResource 0x%x>" ), &aMessage ) );

    TInt err( Kern::MutexWait( *DISINameService::iThisptr->iNameServiceMutex ) );

    ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EISINameServiceMutexWaitFailed | EDISINameServiceTraceId << KClassIdentifierShift ) );

    TUint8* msgPtr = const_cast<TUint8*>( aMessage.Ptr() );

    TUint16 phonetAddress( 0 );

    DISINameService::iThisptr->iNameRecords->LookupPhonetAddress( msgPtr[ ISI_HEADER_OFFSET_RESOURCEID ], &phonetAddress );

    Kern::MutexSignal( *DISINameService::iThisptr->iNameServiceMutex );

    if( phonetAddress == GET_SENDER_OBJ( aMessage ) )

        {

        C_TRACE( ( _T( "DISINameService::IsValidResource phonetAddress found 0x%x" ), phonetAddress ) );

        return ETrue;

        }

    else

        {

        C_TRACE( ( _T( "DISINameService::IsValidResource phonetAddress not found 0x%x" ), phonetAddress ) );

        return EFalse;

        }

    }

DECLARE_STANDARD_EXTENSION()

    {

    Kern::Printf( "ISI Name Service extension>" );

    // Create a container extension

    DISINameService* extension = new DISINameService();

    TRACE_ASSERT( extension );

    DISINameService::iThisptr = static_cast< DISINameService* >( extension );

    Kern::Printf( "ISI Name Service extension<" );

    return extension ? KErrNone : KErrNoMemory;

    }

void DISINameService::BuildAndSendCommIsaEntityNotReachableResp(

        const TDesC8& aMsg

        )

    {

    C_TRACE( ( _T( "DISINameService::ConstructCommIsaEntityNotReachableResp 0x%x ->" ), &aMsg ) );

    // Make channel opening request followinfg COMM specification: 000.026

    // Length is sixteen bytes.

    TUint8 length( ISI_HEADER_SIZE + SIZE_COMMON_MESSAGE_COMM_ISA_ENTITY_NOT_REACHABLE_RESP );

    TDes8& tempPtr = MemApi::AllocBlock( length );

    ASSERT_RESET_ALWAYS( &tempPtr, EISINameServiceMemAllocFailure  ); //lisää jotakin infoa jotta löytyy ilman tracea...pelkän luvun perusteella??

    TUint8* ptr = const_cast<TUint8*>( tempPtr.Ptr() );

    // We start to append from transaction id.

    tempPtr.SetLength( SIZE_COMMON_MESSAGE_COMM_ISA_ENTITY_NOT_REACHABLE_RESP );

    // Get the header until messageid from prev. message.

    // Just turn receiver and sender device and object vice versa.

    const TUint8* msgTmpPtr( aMsg.Ptr() );

    ptr[ ISI_HEADER_OFFSET_MEDIA ] = msgTmpPtr[ ISI_HEADER_OFFSET_MEDIA ];

    SET_RECEIVER_DEV( ptr, GET_SENDER_DEV( aMsg ) );

    SET_SENDER_DEV  ( ptr, GET_RECEIVER_DEV( aMsg ) );

    ptr[ ISI_HEADER_OFFSET_RESOURCEID ] = msgTmpPtr[ ISI_HEADER_OFFSET_RESOURCEID ];

    SET_LENGTH( ptr, length - PN_HEADER_SIZE );

    SET_RECEIVER_OBJ( ptr, GET_SENDER_OBJ( aMsg ) );

    SET_SENDER_OBJ( ptr, GET_RECEIVER_OBJ( aMsg ) );

    // Transactionid. Set to 0x01 since this is the first.

    tempPtr.Append( msgTmpPtr[ ISI_HEADER_OFFSET_TRANSID ] );

    // Message ID

    tempPtr.Append( COMMON_MESSAGE ); // 0xF0

    // Sub message ID.

    tempPtr.Append( COMM_ISA_ENTITY_NOT_REACHABLE_RESP ); // 0x14

    // Not Delivered Message from original req.

    tempPtr.Append( msgTmpPtr[ ISI_HEADER_OFFSET_MESSAGEID ] );

    // Status - COMM_ISA_ENTITY_NOT_EXISTING

    tempPtr.Append( COMM_ISA_ENTITY_NOT_EXISTING); //0x01

    // Filler

    tempPtr.Append( 0x00 );

    // Filler

    tempPtr.Append( 0x00 );

    // Filler

    tempPtr.Append( 0x00 );

    //send data to router for handling

    iRouter->Send( tempPtr, iObjId);

    TDes8* block = reinterpret_cast<TDes8*>( const_cast<TDesC8*>(&aMsg) );

    MemApi::DeallocBlock( *block );

    C_TRACE( ( _T( "DISINameService::SendCommIsaEntityNotReachableResp 0x%x <-" ), &aMsg ) );

    }