author | mikaruus <mika.a.ruuskanen@nokia.com> |
Wed, 17 Feb 2010 13:58:55 +0200 | |
changeset 7 | fa67e03b87df |
parent 5 | 8ccc39f9d787 |
child 9 | 8486d82aef45 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include <kernel.h> // For Kern |
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#include "isirouter.h" // For DISIRouter |
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#include "isiroutertrace.h" // For C_TRACE, ASSERT_RESET.. and fault codes |
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#include "misirouterlinkif.h" // For MISIRouterLinkIf |
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#include "isihelpers.h" // For GET_SENDER_DEV... |
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#include "memapi.h" // For MemApi |
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#include <trxdefs.h> // For ETrxTest... |
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#include "isicltransceiver.h" // For DISICLTransceiver |
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#include <nsisi.h> // For PN_NAMESERVICE... TODO:Remove this |
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#define PN_MEDIA_TEST 0xBB //not real |
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//#define PN_DEV_MODEM 0x12 |
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#define PN_DEV_DUMMYIST 0x13 |
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#define PN_DEV_OWN 0x6C |
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// CONSTS |
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DISICLTransceiver* DISICLTransceiver::iThisPtr = NULL; |
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// Faults |
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enum TISICLTransceiverFaults |
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{ |
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EISICLTransceiverMemAllocFailure = 0x01, |
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EISICLTransceiverMemAllocFailure1, |
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EISICLTransceiverNotSupportedMedia, |
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EISICLTransceiverOverTheLimits, |
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EISICLTransceiverNULLPtr, |
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EISICLTransceiverNotSupportedDevice, |
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}; |
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DISICLTransceiver::DISICLTransceiver( DISIRouter* aPtr ) |
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: iRouter( aPtr ) |
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{ |
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C_TRACE( ( _T( "DISICLTransceiver::DISICLTransceiver>" ) ) ); |
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iLinksArray = new MISIRouterLinkIf*[ EISIAmountOfMedias ]; |
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ASSERT_RESET_ALWAYS( iLinksArray, ( EISICLTransceiverMemAllocFailure | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
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// Initialize links |
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for( TInt i( 0 ); i < EISIAmountOfMedias; i++ ) |
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{ |
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iLinksArray[ i ] = NULL; |
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} |
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//TODO add real media and trx when known |
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iLinksArray[ EISIMediaTest ] = MISIRouterLinkIf::CreateLinkF( this, PN_MEDIA_TEST, ETrxTest ); |
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C_TRACE( ( _T( "DISICLTransceiver::DISICLTransceiver<" ) ) ); |
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} |
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DISICLTransceiver::~DISICLTransceiver() |
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{ |
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C_TRACE( ( _T( "DISICLTransceiver::~DISICLTransceiver>" ) ) ); |
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for( TUint8 i( 0 ); i < EISIAmountOfMedias; i++ ) |
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{ |
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MISIRouterLinkIf* tmp = iLinksArray[ i ]; |
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if( tmp ) |
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{ |
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tmp->Release(); |
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tmp = NULL; |
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iLinksArray[ i ] = NULL; |
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} |
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} |
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delete []iLinksArray; |
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C_TRACE( ( _T( "DISICLTransceiver::~DISICLTransceiver<" ) ) ); |
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} |
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TInt DISICLTransceiver::SendCommIsaEntityNotReachableResp( TDes8& aMessage ) |
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C_TRACE( ( _T( "DISICLTransceiver::SendCommIsaEntityNotReachableResp 0x%x>" ), &aMessage ) ); |
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const TUint8* msgTmpPtr( aMessage.Ptr() ); |
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TInt error = KErrAlreadyExists; |
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// To avoid COMM_ISA_ENTITY_NOT_REACHABLE_RESP loop |
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if( msgTmpPtr[ ISI_HEADER_OFFSET_MESSAGEID ] != COMMON_MESSAGE && |
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msgTmpPtr[ ISI_HEADER_OFFSET_SUBMESSAGEID ] != COMM_ISA_ENTITY_NOT_REACHABLE_RESP ) |
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{ |
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// Make channel opening request followinfg COMM specification: 000.026 |
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// Length is sixteen bytes. |
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TUint8 length( 16 ); |
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TDes8& tempPtr = MemApi::AllocBlock( ISI_HEADER_SIZE + SIZE_COMMON_MESSAGE_COMM_ISA_ENTITY_NOT_REACHABLE_RESP ); |
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ASSERT_RESET_ALWAYS( &tempPtr, ( EISICLTransceiverMemAllocFailure1 | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
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ASSERT_RESET_ALWAYS( ISI_HEADER_SIZE + SIZE_COMMON_MESSAGE_COMM_ISA_ENTITY_NOT_REACHABLE_RESP > ISI_HEADER_OFFSET_MESSAGEID, ( EISICLTransceiverOverTheLimits | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
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TUint8* ptr = const_cast<TUint8*>( tempPtr.Ptr() ); |
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// We start to append from transaction id. |
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tempPtr.SetLength( ISI_HEADER_OFFSET_TRANSID ); |
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// Get the header until messageid from prev. message. |
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// Just turn receiver and sender device and object vice versa. |
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ptr[ ISI_HEADER_OFFSET_MEDIA ] = msgTmpPtr[ ISI_HEADER_OFFSET_MEDIA ]; |
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SET_RECEIVER_DEV( ptr, GET_SENDER_DEV( aMessage ) ); |
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SET_SENDER_DEV ( ptr, GET_RECEIVER_DEV( aMessage ) ); |
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ptr[ ISI_HEADER_OFFSET_RESOURCEID ] = msgTmpPtr[ ISI_HEADER_OFFSET_RESOURCEID ]; |
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SET_LENGTH( ptr, length - PN_HEADER_SIZE ); |
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SET_RECEIVER_OBJ( ptr, GET_SENDER_OBJ( aMessage ) ); |
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SET_SENDER_OBJ( ptr, GET_RECEIVER_OBJ( aMessage ) ); |
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// Transactionid. Set to 0x01 since this is the first. |
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tempPtr.Append( msgTmpPtr[ ISI_HEADER_OFFSET_TRANSID ] ); |
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// Message ID |
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tempPtr.Append( ISI_HEADER_OFFSET_MESSAGEID ); |
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// Sub message ID. |
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tempPtr.Append( COMM_ISA_ENTITY_NOT_REACHABLE_RESP ); |
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// Not Delivered Message from original req. |
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tempPtr.Append( msgTmpPtr[ ISI_HEADER_OFFSET_MESSAGEID ] ); |
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// Status - COMM_ISA_ENTITY_NOT_AVAILABLE |
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tempPtr.Append( 0x00 ); |
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// Filler |
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tempPtr.Append( 0x00 ); |
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// Filler |
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tempPtr.Append( 0x00 ); |
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// Filler |
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tempPtr.Append( 0x00 ); |
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error = RouteISIMessage( tempPtr ); |
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} |
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else |
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{ |
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C_TRACE( ( _T( "DISICLTransceiver Not sending another CommIsaEntityNotReachableResp" ) ) ); |
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} |
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C_TRACE( ( _T( "DISICLTransceiver::SendCommIsaEntityNotReachableResp 0x%x<" ), &aMessage ) ); |
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return error; |
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} |
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TInt DISICLTransceiver::RouteISIMessage( TDes8& aMessage ) |
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C_TRACE( ( _T( "DISICLTransceiver::RouteISIMessage 0x%x>" ), &aMessage ) ); |
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TInt error( ValidateISIMessage( aMessage ) ); |
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TBool sendOk( EFalse ); |
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if(GET_RECEIVER_DEV( aMessage ) == PN_DEV_OWN ) |
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{ |
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C_TRACE( ( _T( "DISIRouter msg to PN_DEV_APE" ) ) ); |
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sendOk = iRouter->Receive( aMessage, GET_RECEIVER_OBJ( aMessage ) ); |
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C_TRACE( ( _T( "DISIRouter router sendOk %d" ), sendOk ) ); |
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} |
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else |
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{ |
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C_TRACE( ( _T( "DISIRouter msg to other device" ) ) ); |
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TUint8 linkId = MapDeviceToMedia( GET_RECEIVER_DEV( aMessage ) ); |
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ASSERT_RESET_ALWAYS( linkId < EISIAmountOfMedias, ( EISICLTransceiverNotSupportedMedia | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
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MISIRouterLinkIf* link = iLinksArray[ linkId ]; |
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ASSERT_RESET_ALWAYS( link, ( EISICLTransceiverNULLPtr | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
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sendOk = link->Send( aMessage ); |
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C_TRACE( ( _T( "DISIRouter link sendOk %d" ), sendOk ) ); |
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} |
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if( !sendOk ) |
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{ |
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SendCommIsaEntityNotReachableResp( aMessage ); |
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MemApi::DeallocBlock( aMessage ); |
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} |
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C_TRACE( ( _T( "DISICLTransceiver::RouteISIMessage 0x%x<" ), &aMessage ) ); |
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return error; |
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} |
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// KErrBadDescriptor, if message length too small |
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// KErrUnderFlow, if message length too big. |
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// KErrCouldNotConnect, if receiver object is out of scope. |
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TInt DISICLTransceiver::ValidateISIMessage( |
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TDes8& aMessage |
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) |
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{ |
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C_TRACE( ( _T( "DISICLTransceiver::ValidateISIMessage 0x%x>" ), &aMessage ) ); |
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const TUint16 descLength( aMessage.Length() ); |
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TInt msgOk( KErrNone ); |
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msgOk = ( ISI_HEADER_OFFSET_MESSAGEID >= descLength ) ? KErrBadDescriptor : msgOk; |
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TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
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// Get ISI message length after known that the descriptor is big enough. |
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const TUint8* msgPtr( aMessage.Ptr() ); |
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const TUint16 isiMsgLength( GET_LENGTH( msgPtr ) + PN_HEADER_SIZE ); |
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// If the descriptor length is less than ISI message length. |
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msgOk = ( ( msgOk == KErrNone && isiMsgLength > descLength ) ? KErrUnderflow : msgOk ); |
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TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
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// If the ISI message length is bigger that the largest supported. |
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msgOk = ( ( msgOk == KErrNone && isiMsgLength > KMaxISIMsgSize ) ? KErrUnderflow : msgOk ); |
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TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
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// If the ISI message length with PN_HEADER_SIZE is less or equal than ISI_HEADER_OFFSET_MESSAGEID. |
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msgOk = ( ( msgOk == KErrNone && isiMsgLength <= ISI_HEADER_OFFSET_MESSAGEID ) ? KErrUnderflow : msgOk ); |
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TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
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TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
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TRACE_ASSERT_INFO( msgOk == KErrNone, isiMsgLength ); |
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TRACE_ASSERT_INFO( msgOk == KErrNone, descLength ); |
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TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
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C_TRACE( ( _T( "DISICLTransceiver::ValidateISIMessage %d<" ), msgOk ) ); |
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return msgOk; |
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} |
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TUint8 DISICLTransceiver::MapDeviceToMedia( |
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const TUint8 aDevice |
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) |
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{ |
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C_TRACE( ( _T( "DISICLTransceiver::MapDeviceToMedia aDevice %d>" ), aDevice ) ); |
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TUint8 media( KErrNone ); |
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switch( aDevice ) |
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{ |
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case PN_DEV_MODEM: |
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{ |
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media = EISIMediaSharedMemory; |
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break; |
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} |
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case PN_DEV_DUMMYIST: |
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{ |
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media = EISIMediaTest; |
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break; |
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} |
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// Not supported device |
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default: |
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{ |
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ASSERT_RESET_ALWAYS( 0, ( EISICLTransceiverNotSupportedDevice | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
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break; |
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} |
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} |
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C_TRACE( ( _T( "DISICLTransceiver::MapDeviceToMedia media %d<" ), media ) ); |
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return media; |
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} |
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