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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 <kern_priv.h> // For DMutex
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#include "isiuserchannel.h" // For DISIUserChanneel
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#include "isiroutertrace.h" // For C_TRACE, ASSERT_RESET.. and fault codes
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#include "misichannelrouterif.h" // For MISIChannelRouterIf
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#include "memapi.h" // For MemApi
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#include "isimsgqueue.h" // For DISIMsgQueue
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const TInt KFirstParam( 0 );
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const TInt KSecondParam( 1 );
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const TInt KThirdParam( 2 );
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const TInt KNoParams( 0 );
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const TInt KOneParam( 1 );
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const TInt KTwoParams( 2 );
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const TInt KThreeParams( 3 );
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const TInt KFirstRequest( 0 );
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const TInt KDestStartOffset( 0 );
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enum TISIUserChannelFaults
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{
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EISIUserChannelMemAllocFail = 0x01,
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EISIUserChannelMemAllocFail1,
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EISIUserChannelMemAllocFail2,
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EISIUserChannelMemAllocFail3,
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EISIUserChannelWrongRequest,
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EISIUserChannelWrongRequest1,
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EISIUserChannelWrongRequest2,
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EISIUserChannelWrongRequest3,
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EISIUserChannelWrongRequest4,
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EISIUserChannelWrongRequest5,
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EISIUserChannelWrongRequest6,
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EISIUserChannelReqOverTheLimits,
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EISIUserChannelDesWriteFailed,
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EISIUserChannelSameRequest,
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EISIUserChannelNullParam,
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EISIUserChannelNullParam2,
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EISIUserChannelDesReadFailed,
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EISIUserChannelfNotThreadContext,
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EISIUserChannelfNotThreadContext2,
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EISIUserChannelfNotThreadContext3,
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EISIUserChannelfNotThreadContext4,
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EISIUserChannelfNotThreadContext5,
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};
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const TInt KISILddEmptyRxQueuePriori( 1 );
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const TInt KISILddCompleteRequestPriori( 1 );
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// user<> kernel interaction() done in LDD DFC thread
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//
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// kernel<>kernel interaction() done in Extension DFC thread
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//
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// DEMAND_PAGING
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// Receive (write k>u) is done only in LDD thread context to allow Extension thread to continue when dp swaps.
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// Send ((write u>k) is not done at the moment in LDD thread context only. Check is it possible to happend (not to be in usable memory after send (unlikely?)).
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DISIUserChannel::DISIUserChannel(
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// None
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) : iThread( &Kern::CurrentThread()),
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iObjId( KNotInitializedId ),
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iUID( KNotInitializedUID )
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{
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C_TRACE( ( _T( "DISIUserChannel::DISIUserChannel>" ) ) );
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iRouterIf = MISIChannelRouterIf::GetIf();
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ASSERT_RESET_ALWAYS( iRouterIf, ( EISIUserChannelMemAllocFail | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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iCompletionThread = iRouterIf->GetDfcThread( MISIChannelRouterIf::EISIUserRequestCompletionThread );
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iEmptyRxQueueDfc = new TDfc( EmptyRxQueueDfc, this, iCompletionThread, KISILddEmptyRxQueuePriori );
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ASSERT_RESET_ALWAYS( iEmptyRxQueueDfc, ( EISIUserChannelMemAllocFail2 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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iCompleteChannelRequestDfc = new TDfc( CompleteChannelRequestDfc, this, iCompletionThread, KISILddCompleteRequestPriori );
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ASSERT_RESET_ALWAYS( iCompleteChannelRequestDfc, ( EISIUserChannelMemAllocFail3 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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iRequests = new DISIUserAsyncRequests( EISILastAsyncRequest );
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C_TRACE( ( _T( "DISIUserChannel::DISIUserChannel<" ) ) );
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}
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DISIUserChannel::~DISIUserChannel(
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// None
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)
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{
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C_TRACE( ( _T( "DISIUserChannel::~DISIUserChannel 0x%x>" ), this ) );
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// owned starts
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if( iEmptyRxQueueDfc )
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{
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C_TRACE( ( _T( "DISIUserChannel::~DISIUserChannel 0x%x 0x%x iEmptyRxQueueDfc 0x%x" ), this, iObjId, iEmptyRxQueueDfc ) );
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iEmptyRxQueueDfc->Cancel();
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delete iEmptyRxQueueDfc;
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iEmptyRxQueueDfc = NULL;
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}
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if( iCompleteChannelRequestDfc )
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{
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C_TRACE( ( _T( "DISIUserChannel::~DISIUserChannel 0x%x 0x%x iCompleteChannelRequestDfc 0x%x" ), this, iObjId, iCompleteChannelRequestDfc ) );
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iCompleteChannelRequestDfc->Cancel();
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delete iCompleteChannelRequestDfc;
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iCompleteChannelRequestDfc = NULL;
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}
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if( iRx )
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{
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C_TRACE( ( _T( "DISIUserChannel::~DISIUserChannel 0x%x 0x%x iRx 0x%x" ), this, iObjId, iRx ) );
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delete iRx;
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iRx = NULL;
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}
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if( iReceiveBufPtr )
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{
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C_TRACE( ( _T( "DISIUserChannel::~DISIUserChannel 0x%x 0x%x iReceiveBufPtr 0x%x" ), this, iObjId, iReceiveBufPtr ) );
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iReceiveBufPtr = NULL;
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}
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if( iRequests )
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{
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delete iRequests;
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iRequests = NULL;
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}
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// owned ends
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iRouterIf = NULL;
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Kern::SafeClose( reinterpret_cast<DObject*&>(iThread), NULL );
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C_TRACE( ( _T( "DISIUserChannel::~DISIUserChannel 0x%x<" ), this ) );
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}
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/*
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* Executed in user thread context thread inside CS, cannot be pre-empted.
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* Channel can not be used before creation, so no need to synch if congesting only btw the creating user thread and one thread.
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*/
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TInt DISIUserChannel::DoCreate(
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TInt, //aUnit, // Not used at the moment
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const TDesC8*, //anInfo, // Not used at the moment.
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const TVersion& // aVer // Not used at the moment.
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)
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{
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C_TRACE( ( _T( "DISIUserChannel::DoCreate 0x%x 0x%x>" ), this, iObjId ) );
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if( !Kern::CurrentThreadHasCapability( ECapabilityCommDD, __PLATSEC_DIAGNOSTIC_STRING( "Check by: ISI Router" ) ) ) return KErrPermissionDenied;
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iRx = new DISIMsgQueue( KISILddRxQueueSize );
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ASSERT_RESET_ALWAYS( iRx, ( EISIUserChannelMemAllocFail1 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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// Other DFC functions handling user<>kernel copying done in ldd DFC. Ldd DFC function priority is 1.
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iMainThread = iRouterIf->GetDfcThread( MISIChannelRouterIf::EISIUserMainThread );
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SetDfcQ( iMainThread );
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iMsgQ.Receive();
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DObject* thread = reinterpret_cast<DObject*>( iThread );
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// Open is needed to increase ref count to calling thread that is decreased in Kern::SafeClose
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// Possible returns KErrNone ? KErrGeneral
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TInt threadOpen( thread->Open() );
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TRACE_ASSERT_INFO( threadOpen == KErrNone, iObjId );
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C_TRACE( ( _T( "DISIUserChannel::DoCreate 0x%x 0x%x<" ), this, iObjId ) );
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return threadOpen;
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}
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void DISIUserChannel::HandleMsg(
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TMessageBase* aMsg
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)
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{
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C_TRACE( ( _T( "DISIUserChannel::HandleMsg 0x%x 0x%x 0x%x>" ), this, aMsg, iObjId ) );
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TThreadMessage& m= *( static_cast< TThreadMessage* >( aMsg ) );
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TInt id( m.iValue );
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if( static_cast<TInt>( ECloseMsg ) == id )
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{
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C_TRACE( ( _T( "DISIUserChannel::HandleMsg ECloseMsg 0x%x 0x%x" ), this, aMsg ) );
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m.Complete( HandleSyncRequest( EISIDisconnect, NULL ), EFalse );
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}
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else if( KMaxTInt == id )
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{
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C_TRACE( ( _T( "DISIUserChannel::HandleMsg cancel 0x%x 0x%x" ), this, aMsg ) );
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DoCancel( id, m.Int0() );
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m.Complete( KErrNone, ETrue );
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}
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else
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{
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ASSERT_RESET_ALWAYS( ( KErrNotFound < id ), ( EISIUserChannelWrongRequest | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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C_TRACE( ( _T( "DISIUserChannel::HandleMsg request 0x%x %d 0x%x" ), this, id, aMsg ) );
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TInt completeValue( KErrNone );
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TInt ulen( KErrNotFound );
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switch ( id )
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{
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case EISIDisconnect:
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{
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ulen = KNoParams;
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break;
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}
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case EISISend:
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{
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ulen = KOneParam;
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break;
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}
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case EISIConnect:
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{
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ulen = KTwoParams;
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break;
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}
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case EISIAsyncReceive:
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{
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ulen = KThreeParams;
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break;
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}
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default:
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{
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ASSERT_RESET_ALWAYS( 0, ( EISIUserChannelWrongRequest1 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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break;
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}
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}
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TUint32* table[ KThreeParams ];
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completeValue = Kern::ThreadRawRead( iThread, m.Ptr0(), table, ulen * sizeof( TAny* ) );
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if( completeValue == KErrNone )
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{
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switch( id )
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{
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// All asynchronous requests.
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case EISIAsyncReceive:
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{
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// No need to check return value in async functions, completed to user
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HandleAsyncRequest( id, table );
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break;
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}
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case EISIDisconnect:
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case EISIConnect:
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case EISISend:
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{
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completeValue = HandleSyncRequest( id, table );
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break;
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}
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default:
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{
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ASSERT_RESET_ALWAYS( 0, ( EISIUserChannelWrongRequest2 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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break;
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}
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}
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}
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m.Complete( completeValue, ETrue );
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}
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C_TRACE( ( _T( "DISIUserChannel::HandleMsg 0x%x 0x%x 0x%x<" ), this, aMsg, iObjId ) );
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}
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TInt DISIUserChannel::Request(
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TInt aReqNo,
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TAny* a1,
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TAny* //a2
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)
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{
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C_TRACE( ( _T( "DISIUserChannel::Request 0x%x %d 0x%x 0x%x>" ), this, aReqNo, a1, iObjId ) );
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// Programmer errors.
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ASSERT_RESET_ALWAYS( aReqNo >= ( TInt ) EMinRequestId, ( EISIUserChannelWrongRequest3 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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ASSERT_RESET_ALWAYS( ( aReqNo <= EISILastAsyncRequest || aReqNo == KMaxTInt ), ( EISIUserChannelWrongRequest4 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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// Wrong API usage e.g. called function when interface is not open so panic the client thread.
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TInt result( KErrNotFound );
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// All request go in kernel context and with ::DoControl call.
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TThreadMessage& m=Kern::Message();
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m.iValue = aReqNo;
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m.iArg[ KFirstParam ] = a1;
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m.iArg[ KSecondParam ] = NULL;
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result = m.SendReceive( &iMsgQ );
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C_TRACE( ( _T( "DISIUserChannel::Request 0x%x %d 0x%x<" ), this, aReqNo, a1, iObjId ) );
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return result;
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}
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TInt DISIUserChannel::HandleSyncRequest(
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TInt aRequest,
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TAny* a1
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)
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{
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C_TRACE( ( _T( "DISIUserChannel::HandleSyncRequest 0x%x %d 0x%x 0x%x>" ), this, aRequest, a1, iObjId ) );
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIUserChannelfNotThreadContext5 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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TInt error( KErrNotSupported );
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switch( aRequest )
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{
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case EISIDisconnect:
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{
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C_TRACE( ( _T( "DISIUserChannel::HandleSyncRequest 0x%x EISIDisconnect" ), this ) );
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Disconnect();
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error = KErrNone;
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break;
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}
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case EISISend:
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{
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C_TRACE( ( _T( "DISIUserChannel::HandleSyncRequest 0x%x EISISend" ), this ) );
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TUint32* tablePtr = reinterpret_cast<TUint32*>( a1 );
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TAny* firstParam = reinterpret_cast<TAny*>( tablePtr[ KFirstParam ] );
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TRACE_ASSERT_INFO( firstParam, ( iObjId << KObjIdShift | ( EISIUserChannelNullParam2 | EDISIUserChannelTraceId << KClassIdentifierShift ) ) );
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TInt msgLength( Kern::ThreadGetDesLength( iThread, firstParam ) );
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C_TRACE( ( _T( "DISIUserChannel::HandleSyncRequest 0x%x EISISend 0x%x %d" ), this, firstParam, msgLength ) );
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if( msgLength > 0 && msgLength < KMaxISIMsgSize )
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{
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TDes8& sendBlock = MemApi::AllocBlock( msgLength );
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ASSERT_RESET_ALWAYS( KErrNone == Kern::ThreadDesRead( iThread, firstParam, sendBlock, 0, KChunkShiftBy0 ), ( EISIUserChannelDesReadFailed | EDISIUserChannelTraceId << KClassIdentifierShift ) );
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TRACE_ASSERT_INFO( sendBlock.Length() == msgLength, iObjId << KObjIdShift );
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C_TRACE( ( _T( "DISIUserChannel::HandleAsyncRequest EISISend 0x%x 0x%x" ), this, &sendBlock ) );
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error = iRouterIf->Send( sendBlock, iObjId );
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}
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else
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{
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error = ( msgLength > KMaxISIMsgSize ) ? KErrNoMemory : KErrBadDescriptor;
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TRACE_ASSERT_INFO( 0, iObjId << KObjIdShift | (TUint16)msgLength );
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}
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break;
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}
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case EISIConnect:
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{
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TUint32* tablePtr = reinterpret_cast<TUint32*>( a1 );
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iUID = tablePtr[ KFirstParam ];
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TUint8* objIdPtr = reinterpret_cast<TUint8*>( tablePtr[ KSecondParam ] );
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314 |
C_TRACE( ( _T( "DISIUserChannel::HandleSyncRequest EISIConnect 0x%x 0x%x 0x%x" ), this, iUID, objIdPtr ) );
|
|
|
315 |
iRouterIf->Connect( iUID, iObjId, this );
|
|
|
316 |
C_TRACE( ( _T( "DISIUserChannel::HandleSyncRequest received iObjId is 0x%x" ), iObjId ) );
|
|
|
317 |
ASSERT_RESET_ALWAYS( KErrNone == Kern::ThreadRawWrite( iThread, objIdPtr, &iObjId, sizeof(TUint8), iThread ),
|
|
|
318 |
EISIUserChannelDesWriteFailed | iObjId << KObjIdShift | EDISIUserChannelTraceId << KClassIdentifierShift );
|
|
|
319 |
error = KErrNone;
|
|
|
320 |
break;
|
|
|
321 |
}
|
|
|
322 |
default:
|
|
|
323 |
{
|
|
|
324 |
ASSERT_RESET_ALWAYS( 0, ( EISIUserChannelWrongRequest5 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
325 |
break;
|
|
|
326 |
}
|
|
|
327 |
}
|
|
|
328 |
C_TRACE( ( _T( "DISIUserChannel::HandleSyncRequest 0x%x %d 0x%x 0x%x<" ), this, aRequest, a1, iObjId ) );
|
|
|
329 |
return error;
|
|
|
330 |
}
|
|
|
331 |
|
|
|
332 |
void DISIUserChannel::HandleAsyncRequest(
|
|
|
333 |
TInt aRequest,
|
|
|
334 |
TAny* a1
|
|
|
335 |
)
|
|
|
336 |
{
|
|
|
337 |
C_TRACE( ( _T( "DISIUserChannel::HandleAsyncRequest 0x%x %d 0x%x 0x%x>" ), this, aRequest, a1, iObjId ) );
|
|
|
338 |
|
|
|
339 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIUserChannelfNotThreadContext4 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
340 |
TUint32* tablePtr = reinterpret_cast<TUint32*>( a1 );
|
|
|
341 |
TRACE_ASSERT_INFO( tablePtr[ KFirstParam ], (TUint16)aRequest );
|
|
|
342 |
TRequestStatus* requestStatus = reinterpret_cast<TRequestStatus*>( tablePtr[ KFirstParam ] );
|
|
|
343 |
if( iRequests->IsPending( aRequest ) )
|
|
|
344 |
{
|
|
|
345 |
C_TRACE( ( _T( "DISIUserChannel::HandleAsyncRequest existing 0x%x request 0x%x" ), this, aRequest ) );
|
|
|
346 |
// Should not give same request object twice before completing the first one.
|
|
|
347 |
ASSERT_RESET_ALWAYS( 0, ( EISIUserChannelSameRequest | iObjId << KObjIdShift | static_cast<TUint8>( aRequest ) << KExtraInfoShift ) );
|
|
|
348 |
}
|
|
|
349 |
else
|
|
|
350 |
{
|
|
|
351 |
C_TRACE( ( _T( "DISIUserChannel::HandleAsyncRequest 0x%x handling %d" ), this, aRequest ) );
|
|
|
352 |
iRequests->SetPending( aRequest, requestStatus );
|
|
|
353 |
switch( aRequest )
|
|
|
354 |
{
|
|
|
355 |
case EISIAsyncReceive:
|
|
|
356 |
{
|
|
|
357 |
iReceiveBufPtr = reinterpret_cast<TAny*>( tablePtr[ KSecondParam ] );
|
|
|
358 |
iNeededBufLen = reinterpret_cast<TUint16*>( tablePtr[ KThirdParam ] );
|
|
|
359 |
C_TRACE( ( _T( "DISIUserChannel::HandleAsyncRequest 0x%x EISIAsyncReceive 0x%x" ), this, iReceiveBufPtr ) );
|
|
|
360 |
iEmptyRxQueueDfc->Enque();
|
|
|
361 |
break;
|
|
|
362 |
}
|
|
|
363 |
default:
|
|
|
364 |
{
|
|
|
365 |
ASSERT_RESET_ALWAYS( 0, ( EISIUserChannelWrongRequest2 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
366 |
break;
|
|
|
367 |
}
|
|
|
368 |
}
|
|
|
369 |
}
|
|
|
370 |
C_TRACE( ( _T( "DISIUserChannel::HandleAsyncRequest 0x%x %d 0x%x 0x%x<" ), this, aRequest, a1, iObjId ) );
|
|
|
371 |
}
|
|
|
372 |
|
|
|
373 |
|
|
|
374 |
void DISIUserChannel::DoCancel(
|
|
|
375 |
TInt aRequest,
|
|
|
376 |
TInt aMask )
|
|
|
377 |
{
|
|
|
378 |
C_TRACE( ( _T( "DISIUserChannel::DoCancel 0x%x %d 0x%x 0x%x>" ), this, aRequest, aMask, iObjId ) );
|
|
|
379 |
switch( aMask&aRequest )
|
|
|
380 |
{
|
|
|
381 |
case EISIAsyncReceive:
|
|
|
382 |
{
|
|
|
383 |
C_TRACE( ( _T( "DISIUserChannel::DoCancel 0x%x EISIAsyncReceive 0x%x " ), this, iReceiveBufPtr ) );
|
|
|
384 |
iReceiveBufPtr = NULL;
|
|
|
385 |
break;
|
|
|
386 |
}
|
|
|
387 |
default:
|
|
|
388 |
{
|
|
|
389 |
ASSERT_RESET_ALWAYS( 0, ( EISIUserChannelWrongRequest6 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
390 |
break;
|
|
|
391 |
}
|
|
|
392 |
}
|
|
|
393 |
EnqueChannelRequestCompleteDfc( aMask&aRequest, KErrCancel );
|
|
|
394 |
C_TRACE( ( _T( "DISIUserChannel::DoCancel 0x%x %d 0x%x 0x%x<" ), this, aRequest, aMask, iObjId ) );
|
|
|
395 |
}
|
|
|
396 |
|
|
|
397 |
|
|
|
398 |
void DISIUserChannel::Disconnect(
|
|
|
399 |
// None
|
|
|
400 |
)
|
|
|
401 |
{
|
|
|
402 |
C_TRACE( ( _T( "DISIUserChannel::Disconnect 0x%x 0x%x>" ), this, iObjId ) );
|
|
|
403 |
ResetQueues();
|
|
|
404 |
for( TInt i( 0 ); i < iRequests->iRequestCompletedList.Count(); ++i )
|
|
|
405 |
{
|
|
|
406 |
C_TRACE( ( _T( "DISIUserChannel::CancelRequests req to cancel %d" ), i ) );
|
|
|
407 |
DoCancel( KMaxTInt, i );
|
|
|
408 |
}
|
|
|
409 |
iRouterIf->Disconnect( iObjId );
|
|
|
410 |
iRouterIf->FreeDfcThread( iMainThread );
|
|
|
411 |
iRouterIf->FreeDfcThread( iCompletionThread );
|
|
|
412 |
C_TRACE( ( _T( "DISIUserChannel::Disconnect 0x%x 0x%x<" ), this, iObjId ) );
|
|
|
413 |
}
|
|
|
414 |
|
|
|
415 |
void DISIUserChannel::ResetQueues(
|
|
|
416 |
// None
|
|
|
417 |
)
|
|
|
418 |
{
|
|
|
419 |
C_TRACE( ( _T( "DISIUserChannel::ResetQueues 0x%x 0x%x>" ), this, iObjId ) );
|
|
|
420 |
if( iRx )
|
|
|
421 |
{
|
|
|
422 |
C_TRACE( ( _T( "DISIUserChannel::ResetQueues 0x%x iRx 0x%x" ), this, iRx ) );
|
|
|
423 |
while( iRx->Count() )
|
|
|
424 |
{
|
|
|
425 |
MemApi::DeallocBlock( iRx->Get() );
|
|
|
426 |
}
|
|
|
427 |
}
|
|
|
428 |
C_TRACE( ( _T( "DISIUserChannel::ResetQueues 0x%x 0x%x<" ), this, iObjId ) );
|
|
|
429 |
}
|
|
|
430 |
|
|
|
431 |
// This is called in 1...N thread contextes
|
|
|
432 |
void DISIUserChannel::ReceiveMsg(
|
|
|
433 |
const TDesC8& aMessage
|
|
|
434 |
)
|
|
|
435 |
{
|
|
|
436 |
C_TRACE( ( _T( "DISIUserChannel::ReceiveMsg 0x%x 0x%x 0x%x>" ), this, &aMessage, iObjId ) );
|
|
|
437 |
// Can only be called from thread context.
|
|
|
438 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIUserChannelfNotThreadContext3 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
439 |
iRx->Add( aMessage );
|
|
|
440 |
iEmptyRxQueueDfc->Enque();
|
|
|
441 |
C_TRACE( ( _T( "DISIUserChannel::ReceiveMsg 0x%x 0x%x 0x%x<" ), this, &aMessage, iObjId ) );
|
|
|
442 |
}
|
|
|
443 |
|
|
|
444 |
DISIUserChannel::DISIUserAsyncRequests::DISIUserAsyncRequests(
|
|
|
445 |
const TInt aSize
|
|
|
446 |
)
|
|
|
447 |
{
|
|
|
448 |
C_TRACE( ( _T( "DISIUserAsyncRequests::DISIUserAsyncRequests size %d>" ), aSize ) );
|
|
|
449 |
iRequestLock = new NFastMutex();
|
|
|
450 |
C_TRACE( ( _T( "DISIUserAsyncRequests::DISIUserAsyncRequests<" ) ) );
|
|
|
451 |
}
|
|
|
452 |
|
|
|
453 |
DISIUserChannel::DISIUserAsyncRequests::~DISIUserAsyncRequests()
|
|
|
454 |
{
|
|
|
455 |
|
|
|
456 |
C_TRACE( ( _T( "DISIUserAsyncRequests::~DISIUserAsyncRequests>" ) ) );
|
|
|
457 |
iRequestCompletedList.Close();
|
|
|
458 |
delete iRequestLock;
|
|
|
459 |
C_TRACE( ( _T( "DISIUserAsyncRequests::~DISIUserAsyncRequests<" ) ) );
|
|
|
460 |
|
|
|
461 |
}
|
|
|
462 |
|
|
|
463 |
TBool DISIUserChannel::DISIUserAsyncRequests::IsPending(
|
|
|
464 |
const TUint aRequest
|
|
|
465 |
)
|
|
|
466 |
{
|
|
|
467 |
C_TRACE( ( _T( "DISIUserAsyncRequests::IsPending %d>" ), aRequest ) );
|
|
|
468 |
ASSERT_RESET_ALWAYS( ( EISILastAsyncRequest > aRequest && EISIAsyncReceive <= aRequest ), ( EISIUserChannelReqOverTheLimits | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
469 |
TBool ret( EFalse );
|
|
|
470 |
NKern::FMWait( iRequestLock );
|
|
|
471 |
ret = ( iRequestStatusList[ aRequest ] ) ? ETrue : EFalse;
|
|
|
472 |
NKern::FMSignal( iRequestLock );
|
|
|
473 |
C_TRACE( ( _T( "DISIUserAsyncRequests::IsPending %d %d<" ), aRequest, ret ) );
|
|
|
474 |
return ret;
|
|
|
475 |
}
|
|
|
476 |
|
|
|
477 |
void DISIUserChannel::DISIUserAsyncRequests::SetPending(
|
|
|
478 |
const TUint aRequest,
|
|
|
479 |
TRequestStatus* aStatus
|
|
|
480 |
)
|
|
|
481 |
{
|
|
|
482 |
C_TRACE( ( _T( "DISIUserAsyncRequests::SetPending %d 0x%x>" ), aRequest, aStatus ) );
|
|
|
483 |
ASSERT_RESET_ALWAYS( aRequest, ( EISIUserChannelNullParam | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
484 |
ASSERT_RESET_ALWAYS( aStatus, ( EISIUserChannelNullParam | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
485 |
ASSERT_RESET_ALWAYS( ( EISILastAsyncRequest > aRequest && EISIAsyncReceive <= aRequest ), ( EISIUserChannelReqOverTheLimits | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
486 |
// Note asserts must be done before holding the lock.
|
|
|
487 |
NKern::FMWait( iRequestLock );
|
|
|
488 |
iRequestStatusList[ aRequest ] = aStatus;
|
|
|
489 |
NKern::FMSignal( iRequestLock );
|
|
|
490 |
C_TRACE( ( _T( "DISIUserAsyncRequests::SetPending %d 0x%x<" ), aRequest, aStatus ) );
|
|
|
491 |
}
|
|
|
492 |
|
|
|
493 |
void DISIUserChannel::EmptyRxQueueDfc(
|
|
|
494 |
TAny* aPtr // Pointer to self
|
|
|
495 |
)
|
|
|
496 |
{
|
|
|
497 |
C_TRACE( ( _T( "DISIUserChannel::EmptyRxQueueDfc>" ) ) );
|
|
|
498 |
DISIUserChannel& chTmp = *reinterpret_cast<DISIUserChannel*>( aPtr );
|
|
|
499 |
C_TRACE( ( _T( "DISIUserChannel::EmptyRxQueueDfc 0x%x 0x%x>" ), &chTmp, chTmp.iObjId ) );
|
|
|
500 |
if( chTmp.iRequests->IsPending( EISIAsyncReceive ) && ( chTmp.iRx->Count() > 0 ) )
|
|
|
501 |
{
|
|
|
502 |
TDes8& tmpDes = chTmp.iRx->Get();
|
|
|
503 |
TInt desMaxLen( Kern::ThreadGetDesMaxLength( chTmp.iThread, chTmp.iReceiveBufPtr ) );
|
|
|
504 |
// If user descriptor legth is enough and length get not failed.
|
|
|
505 |
if( desMaxLen >= tmpDes.Length() )
|
|
|
506 |
{
|
|
|
507 |
// Write to user address space (iReceiveBufPtr) the content of tmpDes starting from zero offset as 8bit descriptor data.
|
|
|
508 |
TInt writeError( Kern::ThreadDesWrite( chTmp.iThread, chTmp.iReceiveBufPtr, tmpDes, KDestStartOffset, KChunkShiftBy0, chTmp.iThread ) );
|
|
|
509 |
if( writeError == KErrNone )
|
|
|
510 |
{
|
|
|
511 |
C_TRACE( ( _T( "DISIUserChannel::EmptyRxQueueDfc write 0x%x k->u 0x%x ok" ), &tmpDes, chTmp.iReceiveBufPtr ) );
|
|
|
512 |
chTmp.EnqueChannelRequestCompleteDfc( EISIAsyncReceive, writeError );
|
|
|
513 |
MemApi::DeallocBlock( tmpDes );
|
|
|
514 |
}
|
|
|
515 |
// Write unsuccesfull don't deallocate the block.
|
|
|
516 |
else
|
|
|
517 |
{
|
|
|
518 |
C_TRACE( ( _T( "DISIUserChannel::EmptyRxQueueDfc write 0x%x k->u 0x%x NOK, reason %d" ), &tmpDes, chTmp.iReceiveBufPtr, writeError ) );
|
|
|
519 |
TRACE_ASSERT_INFO( 0, chTmp.iObjId << KObjIdShift | (TUint16)writeError );
|
|
|
520 |
// Roll the message back to que.
|
|
|
521 |
chTmp.iRx->RollBack( tmpDes );
|
|
|
522 |
chTmp.EnqueChannelRequestCompleteDfc( EISIAsyncReceive, writeError );
|
|
|
523 |
}
|
|
|
524 |
}
|
|
|
525 |
// If descriptor invalid.
|
|
|
526 |
else
|
|
|
527 |
{
|
|
|
528 |
TRACE_WARNING( 0, chTmp.iObjId << KObjIdShift | (TUint16)tmpDes.Length() );
|
|
|
529 |
// Roll the message back to que.
|
|
|
530 |
chTmp.iRx->RollBack( tmpDes );
|
|
|
531 |
// If invalid content.
|
|
|
532 |
if( KErrBadDescriptor == desMaxLen )
|
|
|
533 |
{
|
|
|
534 |
TRACE_ASSERT_INFO( 0, chTmp.iObjId << KObjIdShift | (TUint16)desMaxLen );
|
|
|
535 |
C_TRACE( ( _T( "DISIUserChannel::EmptyRxQueueDfc invalid descriptor 0x%x" ), chTmp.iObjId ) );
|
|
|
536 |
chTmp.EnqueChannelRequestCompleteDfc( EISIAsyncReceive, KErrBadDescriptor );
|
|
|
537 |
}
|
|
|
538 |
// If length too small (if other assert).
|
|
|
539 |
else
|
|
|
540 |
{
|
|
|
541 |
TUint16 neededLength( tmpDes.Length() );
|
|
|
542 |
TRACE_WARNING( 0, chTmp.iObjId << KObjIdShift | (TUint16)desMaxLen );
|
|
|
543 |
C_TRACE( ( _T( "DISAUserChannel::EmptyRxQueueDfc descriptor length too small length %d needed %d" ), desMaxLen, neededLength ) );
|
|
|
544 |
ASSERT_RESET_ALWAYS( KErrNone == Kern::ThreadRawWrite( chTmp.iThread, chTmp.iNeededBufLen, &neededLength, sizeof(TUint16), chTmp.iThread ),
|
|
|
545 |
EISIUserChannelDesWriteFailed | chTmp.iObjId << KObjIdShift | EDISIUserChannelTraceId << KClassIdentifierShift );
|
|
|
546 |
chTmp.EnqueChannelRequestCompleteDfc( EISIAsyncReceive, KErrOverflow );
|
|
|
547 |
}
|
|
|
548 |
}
|
|
|
549 |
}
|
|
|
550 |
else
|
|
|
551 |
{
|
|
|
552 |
C_TRACE( ( _T( "DISIUserChannel::EmptyRxQueueDfc no receive active or no message" ) ) );
|
|
|
553 |
}
|
|
|
554 |
C_TRACE( ( _T( "DISIUserChannel::EmptyRxQueueDfc 0x%x<" ), chTmp.iObjId ) );
|
|
|
555 |
}
|
|
|
556 |
|
|
|
557 |
// called in router ext context
|
|
|
558 |
void DISIUserChannel::EnqueChannelRequestCompleteDfc(
|
|
|
559 |
TInt aRequest,
|
|
|
560 |
TInt aStatusToComplete
|
|
|
561 |
)
|
|
|
562 |
{
|
|
|
563 |
C_TRACE( ( _T( "DISIUserChannel::EnqueChannelRequestCompleteDfc 0x%x %d %d 0x%x>" ), this, aRequest, aStatusToComplete, iObjId ) );
|
|
|
564 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIUserChannelfNotThreadContext | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
565 |
//TODO check the error code
|
|
|
566 |
iRequests->iRequestCompletedList.Append( aRequest );
|
|
|
567 |
iRequests->iRequestCompletionValueList[ aRequest ] = aStatusToComplete;
|
|
|
568 |
iCompleteChannelRequestDfc->Enque();
|
|
|
569 |
C_TRACE( ( _T( "DISIUserChannel::EnqueChannelRequestCompleteDfc 0x%x %d %d 0x%x<" ), this, aRequest, aStatusToComplete, iObjId ) );
|
|
|
570 |
}
|
|
|
571 |
|
|
|
572 |
// Run in ISI user channel kernel thread context.
|
|
|
573 |
void DISIUserChannel::CompleteChannelRequestDfc(
|
|
|
574 |
TAny* aPtr
|
|
|
575 |
)
|
|
|
576 |
{
|
|
|
577 |
C_TRACE( ( _T( "DISIUserChannel::CompleteChReqDfc>" ) ) );
|
|
|
578 |
// Make sure that user side is accessed only by ldd DFCThread.
|
|
|
579 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIUserChannelfNotThreadContext2 | EDISIUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
580 |
DISIUserChannel* chPtr = reinterpret_cast<DISIUserChannel*>( aPtr );
|
|
|
581 |
C_TRACE( ( _T( "DISIUserChannel::CompleteChReqDfc 0x%x 0x%x" ), chPtr, chPtr->iObjId ) );
|
|
|
582 |
TInt request = chPtr->iRequests->iRequestCompletedList[ KFirstRequest ];
|
|
|
583 |
TRequestStatus* status( chPtr->iRequests->iRequestStatusList[ request ] );
|
|
|
584 |
Kern::RequestComplete( chPtr->iThread, status, chPtr->iRequests->iRequestCompletionValueList[ request ] );
|
|
|
585 |
chPtr->iRequests->iRequestCompletedList.Remove( KFirstRequest );
|
|
|
586 |
chPtr->iRequests->iRequestStatusList[ request ] = NULL;
|
|
|
587 |
chPtr->iRequests->iRequestCompletionValueList[ request ] = KNotInitializedStatus;
|
|
|
588 |
|
|
|
589 |
if( chPtr->iRequests->iRequestCompletedList.Count() != 0 )
|
|
|
590 |
{
|
|
|
591 |
CompleteChannelRequestDfc( chPtr );
|
|
|
592 |
}
|
|
|
593 |
C_TRACE( ( _T( "DISIUserChannel::CompleteChReqDfc 0x%x 0x%x<" ), chPtr, chPtr->iObjId ) );
|
|
|
594 |
}
|