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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 <nk_priv.h> // For __ASSERT_NO_FAST_MUTEX
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#include <kern_priv.h> // For __ASSERT_CRITICAL
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#include <dfcs.h> // For TDfc
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#include "isikernelchannel.h" // For DISIKernelChannel
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#include "isiroutertrace.h" // For C_TRACE, ASSERT_RESET.. and fault codes
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#include "misiobjectrouterif.h" // For MISIObjectRouterIf
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0
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#include "memapi.h" // For MemApi
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#include "isimsgqueue.h" // For DISIMsgQueue
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// CONST
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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 KISIKernelChannelMsgQueDfcPrio( 2 ); // LDD FW has one
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const TInt KISIKernelEmptyRxQueuePrio( 1 );
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const TInt KDestroyChannelMsg( 0xff );
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enum TISIKernelChannelFaults
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{
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EISIKernelChannelMemAllocFailure = 0x01,
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EISIKernelChannelMemAllocFailure1,
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EISIKernelChannelNotThreadContext,
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EISIKernelChannelNotThreadContext1,
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EISIKernelChannelNotThreadContext2,
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EISIKernelChannelNullParam,
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EISIKernelChannelNullParam2,
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EISIKernelChannelNullParam3,
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EISIKernelChannelNullParam4,
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EISIKernelChannelNullParam5,
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EISIKernelChannelNullParam6,
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EISIKernelChannelWrongParam,
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EISIKernelChannelWrongRequest,
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EISIKernelChannelWrongRequest1,
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EISIKernelChannelWrongRequest2,
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EISIKernelChannelWrongRequest3,
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EISIKernelChannelOverTheLimits,
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EISIKernelChannelOverTheLimits2,
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EISIKernelChannelOverTheLimits3,
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EISIKernelChannelOverTheLimits4,
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EISIKernelChannelSameRequestTwice,
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EISIKernelChannelDfcAlreadyQueued,
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EISIKernelChannelRxBufferNotReleased,
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EISIKernelChannelAlreadyCreated,
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};
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DISIKernelChannel::DISIKernelChannel(
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const TUint16& aObjId
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) : iKernelChMsgQue( MsgQDfc, this, NULL, KISIKernelChannelMsgQueDfcPrio )
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, iObjId(KNotInitializedId)
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, iUID( KNotInitializedUID )
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{
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C_TRACE( ( _T( "DISIKernelChannel::DISIKernelChannel 0x%x>" ), this ) );
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iRouterIf = MISIObjectRouterIf::GetIf();
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ASSERT_RESET_ALWAYS( iRouterIf, ( EISIKernelChannelMemAllocFailure | EDISIKernelChannelId << KClassIdentifierShift ) );
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iRequests = new DISIKernelAsyncRequests( EISILastAsyncRequest );
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iRx = new DISIMsgQueue( KISILddRxQueueSize );
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iCompletionThread = iRouterIf->GetDfcThread( MISIObjectRouterIf::EISIUserRequestCompletionThread );
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iEmptyRxDfc = new TDfc( EmptyRxDfc, this, iCompletionThread, KISIKernelEmptyRxQueuePrio );
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ASSERT_RESET_ALWAYS( ( iEmptyRxDfc && iRequests && iRx ), ( EISIKernelChannelMemAllocFailure1 | EDISIKernelChannelId << KClassIdentifierShift ) );
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iMainThread = iRouterIf->GetDfcThread( MISIObjectRouterIf::EISIKernelMainThread );
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iKernelChMsgQue.SetDfcQ( iMainThread );
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iKernelChMsgQue.Receive();
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C_TRACE( ( _T( "DISIKernelChannel::DISIKernelChannel 0x%x<" ), this ) );
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}
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DISIKernelChannel::~DISIKernelChannel(
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// None
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::~DISIKernelChannel 0x%x 0x%x>" ), this ) );
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// Send channel destroyed message to complete with EFalse.
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TThreadMessage& m=Kern::Message();
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m.iValue = KDestroyChannelMsg;
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m.SendReceive( &iKernelChMsgQue );
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C_TRACE( ( _T( "DISIKernelChannel::~DISIKernelChannel iRx 0x%x" ), iRx ) );
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// Only modified in constructor, if not created already reseted.
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delete iRx;
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iRx = NULL;
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C_TRACE( ( _T( "DISIKernelChannel::~DISIKernelChannel iEmptyRxDfc 0x%x" ), iEmptyRxDfc ) );
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// Only modified in constructor, if not created already reseted.
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if ( iEmptyRxDfc )
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{
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iEmptyRxDfc->Cancel();
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delete iEmptyRxDfc;
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iEmptyRxDfc = NULL;
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}
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C_TRACE( ( _T( "DISIKernelChannel::~DISIKernelChannel iRequests 0x%x" ), iEmptyRxDfc ) );
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iPtrPtrToRxBuf = NULL;
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iRouterIf = NULL;
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// Only modified in constructor, if not created already reseted.
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delete iRequests;
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iRequests = NULL;
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C_TRACE( ( _T( "DISIKernelChannel::~DISIKernelChannel 0x%x 0x%x<" ), this ) );
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}
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void DISIKernelChannel::MsgQDfc(
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TAny* aPtr
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::MsgQDfc>" ) ) );
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DISIKernelChannel* tmp = reinterpret_cast<DISIKernelChannel*>( aPtr );
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tmp->HandleThreadMsg( static_cast<TThreadMessage&>(*tmp->iKernelChMsgQue.iMessage ) );
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C_TRACE( ( _T( "DISIKernelChannel::MsgQDfc<" ) ) );
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}
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TInt DISIKernelChannel::HandleRequest(
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TThreadMessage& aMsg
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::HandleRequest 0x%x 0x%x 0x%x>" ), this, aMsg.iValue, iObjId ) );
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__ASSERT_CRITICAL;
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__ASSERT_NO_FAST_MUTEX;
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIKernelChannelNotThreadContext | EDISIKernelChannelId << KClassIdentifierShift ) );
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TInt valueToReturn( KErrAlreadyExists );
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// Channel is not open.
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if( iObjId == KNotInitializedId )
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{
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switch( aMsg.iValue )
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{
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// Only connect is legal
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case EISIConnect:
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{
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C_TRACE( ( _T( "DISIKernelChannel::HandleRequest connect 0x%x" ), this ) );
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valueToReturn = aMsg.SendReceive( &iKernelChMsgQue );
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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, ( EISIKernelChannelWrongParam | EDISIKernelChannelId << KClassIdentifierShift ) );
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break;
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}
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}
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}
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// Channel is open.
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else
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{
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// Accept all calls except new.
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if( EISIConnect != aMsg.iValue )
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{
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valueToReturn = aMsg.SendReceive( &iKernelChMsgQue );
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}
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else
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{
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ASSERT_RESET_ALWAYS( ( 0 ), ( EISIKernelChannelAlreadyCreated | EDISIKernelChannelId << KClassIdentifierShift ) );
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}
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}
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C_TRACE( ( _T( "DISIKernelChannel::HandleRequest 0x%x %d 0x%x<" ), this, valueToReturn, iObjId ) );
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return valueToReturn;
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}
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// Called only in router extension thread context.
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void DISIKernelChannel::EnqueChannelRequestCompleteDfc(
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TInt aRequest,
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TInt aStatusToComplete
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::EnqueChannelRequestCompleteDfc 0x%x %d %d 0x%x 0x%x>" ), this, aRequest, aStatusToComplete, iObjId ) );
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIKernelChannelNotThreadContext2 | EDISIKernelChannelId << KClassIdentifierShift ) );
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iRequests->Complete( aRequest, aStatusToComplete );
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C_TRACE( ( _T( "DISIKernelChannel::EnqueChannelRequestCompleteDfc 0x%x %d %d 0x%x 0x%x<" ), this, aRequest, aStatusToComplete, iObjId ) );
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}
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void DISIKernelChannel::HandleThreadMsg(
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TThreadMessage& aMsg
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::HandleThreadMsg 0x%x 0x%x 0x%x>" ), this, &aMsg, iObjId ) );
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TThreadMessage& m = ( aMsg );
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TInt completeValue( KErrNone );
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TBool complete( ETrue );
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switch( m.iValue )
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{
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// All asynchronous requests. Return result after DFC function is run.
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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 client from DFC.
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HandleDfcRequest( m );
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break;
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}
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// From synchronized request return the result immediately
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case EISIConnect:
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case EISIDisconnect:
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case EISIAllocateBlock:
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case EISIDeallocateBlock:
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case EISISend:
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{
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completeValue = HandleSyncRequest( m );
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break;
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}
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case KDestroyChannelMsg:
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{
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completeValue = KErrNone;
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// Don't receive anymore messages.
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complete = EFalse;
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break;
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}
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case KMaxTInt:
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{
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completeValue = KErrNone;
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DoCancel( KMaxTInt, m.Int0() );
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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, ( EISIKernelChannelWrongRequest | EDISIKernelChannelId << KClassIdentifierShift ) );
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break;
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}
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}
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m.Complete( completeValue, complete );
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C_TRACE( ( _T( "DISIKernelChannel::HandleThreadMsg 0x%x< 0x%x" ), this, iObjId ) );
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}
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void DISIKernelChannel::HandleDfcRequest(
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TThreadMessage& aMsg
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::HandleDfcRequest 0x%x 0x%x 0x%x>" ), this, &aMsg, iObjId ) );
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TThreadMessage& m = ( aMsg );
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TInt request( m.iValue );
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ASSERT_RESET_ALWAYS( m.iArg, ( EISIKernelChannelNullParam | EDISIKernelChannelId << KClassIdentifierShift ) );
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ASSERT_RESET_ALWAYS( EISILastAsyncRequest > ( request ), ( EISIKernelChannelWrongRequest1 | EDISIKernelChannelId << KClassIdentifierShift ) );
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if( iRequests->IsPending( request) )
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{
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C_TRACE( ( _T( "DISIKernelChannel::HandleDfcRequest existing 0x%x request 0x%x" ), this, request ) );
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// Should not give same request object twice before completing the first one.
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ASSERT_RESET_ALWAYS( 0, ( EISIKernelChannelSameRequestTwice | iObjId << KObjIdShift | static_cast<TUint8>( request ) << KExtraInfoShift ) );
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}
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else
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{
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C_TRACE( ( _T( "DISIKernelChannel::HandleDfcRequest 0x%x handling %d" ), this, request ) );
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TUint32* tablePtr = reinterpret_cast<TUint32*>( m.Ptr0() );
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TRequestStatus* dfcStatus = reinterpret_cast<TRequestStatus*>( tablePtr[ KFirstParam ] );
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TDfc* dfc = reinterpret_cast<TDfc*>( tablePtr[ KThirdParam ] );
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ASSERT_RESET_ALWAYS( dfcStatus, ( EISIKernelChannelNullParam2 | EDISIKernelChannelId << KClassIdentifierShift ) );
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ASSERT_RESET_ALWAYS( dfc, ( EISIKernelChannelNullParam3 | EDISIKernelChannelId << KClassIdentifierShift ) );
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iRequests->SetPending( request, dfc, dfcStatus );
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switch( request )
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{
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case EISIAsyncReceive:
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{
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ASSERT_RESET_ALWAYS( !iPtrPtrToRxBuf, ( EISIKernelChannelRxBufferNotReleased | EDISIKernelChannelId << KClassIdentifierShift ) );
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iPtrPtrToRxBuf = reinterpret_cast<TDes8**>( tablePtr[ KSecondParam ] );
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C_TRACE( ( _T( "DISIKernelChannel::HandleDfcRequest EIADAsyncReceive 0x%x 0x%x 0x%x" ), this, iPtrPtrToRxBuf, &iPtrPtrToRxBuf ) );
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iEmptyRxDfc->Enque();
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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, ( EISIKernelChannelWrongRequest2 | EDISIKernelChannelId << KClassIdentifierShift ) );
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break;
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}
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}
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}
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C_TRACE( ( _T( "DISIKernelChannel::HandleDfcRequest 0x%x 0x%x 0x%x<" ), this, &aMsg, iObjId ) );
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}
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// Called in 1...N transceivers thread context
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void DISIKernelChannel::Receive(
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0
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const TDesC8& aMessage
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::Receive 0x%x 0x%x 0x%x>" ), this, &aMessage, iObjId ) );
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0
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EISIKernelChannelNotThreadContext1 | EDISIKernelChannelId << KClassIdentifierShift ) );
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iRx->Add( aMessage );
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iEmptyRxDfc->Enque();
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C_TRACE( ( _T( "DISIKernelChannel::Receive 0x%x 0x%x 0x%x<" ), this, &aMessage, iObjId ) );
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0
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}
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// From MISIRouterChannelIf end
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9
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// Internal start
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0
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void DISIKernelChannel::EmptyRxDfc(
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TAny* aPtr // self
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)
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{
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C_TRACE( ( _T( "DISIKernelChannel::EmptyRxDfc>" ) ) );
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DISIKernelChannel& chTmp = *reinterpret_cast<DISIKernelChannel*>( aPtr );
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C_TRACE( ( _T( "DISIKernelChannel::EmptyRxDfc 0x%x 0x%x" ), &chTmp, chTmp.iObjId ) );
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if( chTmp.iRequests->IsPending( EISIAsyncReceive ) && chTmp.iRx->Count() > 0 )
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{
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C_TRACE( ( _T( "DISIKernelChannel::EmptyRxDfc 0x%x writing to kernel client" ), &chTmp ) );
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TDes8*& tmpWrite = *chTmp.iPtrPtrToRxBuf;
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tmpWrite = &chTmp.iRx->Get();
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C_TRACE( ( _T( "DISIKernelChannel::EmptyRxDfc 0x%x 0x%x 0x%x clientRx 0x%x " ), &chTmp, chTmp.iPtrPtrToRxBuf, &chTmp.iPtrPtrToRxBuf, *chTmp.iPtrPtrToRxBuf ) );
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chTmp.EnqueChannelRequestCompleteDfc( EISIAsyncReceive, KErrNone );
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}
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else
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{
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|
311 |
C_TRACE( ( _T( "DISIKernelChannel::EmptyRxDfc 0x%x no receive active or no message" ), &chTmp ) );
|
|
|
312 |
}
|
|
|
313 |
C_TRACE( ( _T( "DISIKernelChannel::EmptyRxDfc 0x%x 0x%x<" ), &chTmp, chTmp.iObjId ) );
|
|
|
314 |
}
|
|
|
315 |
|
|
|
316 |
void DISIKernelChannel::DoCancel(
|
|
|
317 |
TInt aRequest,
|
|
|
318 |
TInt aMask )
|
|
|
319 |
{
|
|
|
320 |
C_TRACE( ( _T( "DISIKernelChannel::DoCancel 0x%x 0x%x>" ), this, iObjId ) );
|
|
|
321 |
ASSERT_RESET_ALWAYS( EISILastAsyncRequest > ( aMask&aRequest ), EISIKernelChannelOverTheLimits | EDISIKernelChannelId << KClassIdentifierShift );
|
|
|
322 |
if( iRequests->IsPending( aMask&aRequest ) )
|
|
|
323 |
{
|
|
|
324 |
switch( aMask&aRequest )
|
|
|
325 |
{
|
|
|
326 |
case EISIAsyncReceive:
|
|
|
327 |
{
|
|
|
328 |
C_TRACE( ( _T( "DISIKernelChannel::DoCancel EIADAsyncReceive 0x%x ptrs 0x%x 0x%x" ), this, iPtrPtrToRxBuf, &iPtrPtrToRxBuf ) );
|
|
|
329 |
iPtrPtrToRxBuf = NULL;
|
|
|
330 |
break;
|
|
|
331 |
}
|
|
|
332 |
default:
|
|
|
333 |
{
|
|
|
334 |
ASSERT_RESET_ALWAYS( 0, EISIKernelChannelWrongRequest | EDISIKernelChannelId << KClassIdentifierShift );
|
|
|
335 |
break;
|
|
|
336 |
}
|
|
|
337 |
}
|
|
|
338 |
EnqueChannelRequestCompleteDfc( aMask&aRequest, KErrCancel );
|
|
|
339 |
}
|
|
|
340 |
else
|
|
|
341 |
{
|
|
|
342 |
C_TRACE( ( _T( "DISIKernelChannel::DoCancel nothing to cancel 0x%x" ), this ) );
|
|
|
343 |
}
|
|
|
344 |
C_TRACE( ( _T( "DISIKernelChannel::DoCancel 0x%x 0x%x<" ), this, iObjId ) );
|
|
|
345 |
}
|
|
|
346 |
|
|
|
347 |
TInt DISIKernelChannel::HandleSyncRequest(
|
|
|
348 |
TThreadMessage& aMsg
|
|
|
349 |
)
|
|
|
350 |
{
|
|
|
351 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest 0x%x 0x%x 0x%x>" ), this, &aMsg, iObjId ) );
|
|
|
352 |
TThreadMessage& m = ( aMsg );
|
|
|
353 |
TInt request( m.iValue );
|
|
|
354 |
ASSERT_RESET_ALWAYS( m.iArg, ( EISIKernelChannelNullParam4 | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
355 |
TInt returnValue( KErrNone );
|
|
|
356 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest 0x%x handling %d" ), this, request ) );
|
|
|
357 |
TUint32* tablePtr = reinterpret_cast<TUint32*>( m.Ptr0() );
|
|
|
358 |
|
|
|
359 |
switch( request )
|
|
|
360 |
{
|
|
|
361 |
case EISIConnect:
|
|
|
362 |
{
|
|
|
363 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIConnect 0x%x" ), this ) );
|
|
|
364 |
iUID = tablePtr[ KFirstParam ];
|
|
9
|
365 |
TUint8* objIdPtr = reinterpret_cast<TUint8*>( tablePtr[ KSecondParam ] );
|
|
0
|
366 |
C_TRACE( ( _T( "DISIKernelChannel::HandleDfcRequest EISINokiaKernelOpen 0x%x" ), this ) );
|
|
|
367 |
iRouterIf->Connect( iUID, iObjId, this );
|
|
|
368 |
*objIdPtr = iObjId;
|
|
|
369 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIConnect 0x%x" ), this ) );
|
|
|
370 |
break;
|
|
|
371 |
}
|
|
|
372 |
case EISIDisconnect:
|
|
|
373 |
{
|
|
|
374 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIDisconnect 0x%x" ), this ) );
|
|
|
375 |
Disconnect();
|
|
|
376 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIDisconnect 0x%x" ), this ) );
|
|
|
377 |
returnValue = KErrNone;
|
|
|
378 |
break;
|
|
|
379 |
}
|
|
|
380 |
case EISIAllocateBlock:
|
|
|
381 |
{
|
|
|
382 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIAllocateBlock 0x%x" ), this ) );
|
|
|
383 |
const TInt size = *reinterpret_cast<TInt*>( tablePtr[ KFirstParam ] );
|
|
|
384 |
TDes8*& block = *(reinterpret_cast<TDes8**>( tablePtr[ KSecondParam ] ));
|
|
|
385 |
C_TRACE( ( _T( "DISIKernelChannel:: EISIAllocateBlock 0x%x block 0x%x %d" ), this, block, size ) );
|
|
|
386 |
block = ( &MemApi::AllocBlock( size ) );
|
|
|
387 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIAllocateBlock 0x%x" ), this ) );
|
|
|
388 |
break;
|
|
|
389 |
}
|
|
|
390 |
case EISIDeallocateBlock:
|
|
|
391 |
{
|
|
|
392 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIDeallocateBlock 0x%x" ), this ) );
|
|
|
393 |
TDes8& block = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
|
|
|
394 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIAllocateBlock 0x%x block 0x%x" ), this, &block ) );
|
|
|
395 |
// Needed to ensure that right channel is deleting the right block. (Could it be done otherways too?)
|
|
|
396 |
if( iPtrPtrToRxBuf )
|
|
|
397 |
{
|
|
|
398 |
if ( &block == *iPtrPtrToRxBuf )
|
|
|
399 |
{
|
|
|
400 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest release 0x%x 0x%x clientRx 0x%x"), iPtrPtrToRxBuf, &iPtrPtrToRxBuf, *iPtrPtrToRxBuf ) );
|
|
|
401 |
iPtrPtrToRxBuf = NULL;
|
|
|
402 |
}
|
|
|
403 |
}
|
|
|
404 |
MemApi::DeallocBlock( block );
|
|
|
405 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISIDeallocateBlock 0x%x" ), this ) );
|
|
|
406 |
break;
|
|
|
407 |
}
|
|
|
408 |
case EISISend:
|
|
|
409 |
{
|
|
|
410 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISISend 0x%x" ), this ) );
|
|
|
411 |
TDes8& block = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
|
|
|
412 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISISend 0x%x block 0x%x" ), this, &block ) );
|
|
|
413 |
returnValue = iRouterIf->Send( block, iObjId );
|
|
|
414 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest EISISend 0x%x" ), this ) );
|
|
|
415 |
break;
|
|
|
416 |
}
|
|
|
417 |
default:
|
|
|
418 |
{
|
|
|
419 |
ASSERT_RESET_ALWAYS( 0, ( EISIKernelChannelWrongRequest3 | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
420 |
break;
|
|
|
421 |
}
|
|
|
422 |
}
|
|
|
423 |
C_TRACE( ( _T( "DISIKernelChannel::HandleSyncRequest 0x%x 0x%x %d 0x%x<" ), this, &aMsg, returnValue, iObjId ) );
|
|
|
424 |
return returnValue;
|
|
|
425 |
}
|
|
|
426 |
|
|
|
427 |
void DISIKernelChannel::Disconnect(
|
|
|
428 |
// None
|
|
|
429 |
)
|
|
|
430 |
{
|
|
|
431 |
C_TRACE( ( _T( "DISIKernelChannel::Disconnect 0x%x 0x%x>" ), this, iObjId ) );
|
|
|
432 |
ResetQueues();
|
|
|
433 |
for( TInt i( EISILastSyncRequest ); i < EISILastAsyncRequest; ++i )
|
|
|
434 |
{
|
|
|
435 |
C_TRACE( ( _T( "DISIKernelChannel::CancelRequests req to cancel %d" ), i ) );
|
|
|
436 |
DoCancel( KMaxTInt, i );
|
|
|
437 |
}
|
|
|
438 |
iRouterIf->Disconnect( iObjId );
|
|
|
439 |
iRouterIf->FreeDfcThread( iMainThread );
|
|
|
440 |
iRouterIf->FreeDfcThread( iCompletionThread );
|
|
|
441 |
C_TRACE( ( _T( "DISIKernelChannel::Disconnect 0x%x 0x%x<" ), this, iObjId ) );
|
|
|
442 |
}
|
|
|
443 |
|
|
|
444 |
void DISIKernelChannel::ResetQueues(
|
|
|
445 |
// None
|
|
|
446 |
)
|
|
|
447 |
{
|
|
|
448 |
C_TRACE( ( _T( "DISIKernelChannel::ResetQueues 0x%x 0x%x>" ), this, iObjId ) );
|
|
9
|
449 |
// assert router ext thread context
|
|
0
|
450 |
if( iRx )
|
|
|
451 |
{
|
|
|
452 |
C_TRACE( ( _T( "DISIKernelChannel::ResetQueues 0x%x iRx 0x%x" ), this, iRx ) );
|
|
|
453 |
while( iRx->Count() )
|
|
|
454 |
{
|
|
|
455 |
MemApi::DeallocBlock( iRx->Get() );
|
|
|
456 |
}
|
|
|
457 |
}
|
|
|
458 |
C_TRACE( ( _T( "DISIKernelChannel::ResetQueues 0x%x 0x%x<" ), this, iObjId ) );
|
|
|
459 |
}
|
|
|
460 |
|
|
9
|
461 |
DISIKernelChannel::DISIKernelAsyncRequests::DISIKernelAsyncRequests(
|
|
|
462 |
const TInt aSize
|
|
|
463 |
)
|
|
|
464 |
{
|
|
|
465 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::DISIKernelAsyncRequests size %d>" ), aSize ) );
|
|
|
466 |
iRequestLock = new NFastMutex();
|
|
|
467 |
iDfcFunctionList = new TDfc*[ aSize ];
|
|
|
468 |
iRequestStatusList = new TRequestStatus*[ aSize ];
|
|
|
469 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::DISIKernelAsyncRequests<" ) ) );
|
|
|
470 |
}
|
|
|
471 |
|
|
|
472 |
DISIKernelChannel::DISIKernelAsyncRequests::~DISIKernelAsyncRequests()
|
|
|
473 |
{
|
|
|
474 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::~DISIKernelAsyncRequests>" ) ) );
|
|
|
475 |
// Delete space reserved for the array not the contents of the array, so mem behind pointers that are not owned are not deleted.
|
|
|
476 |
delete iDfcFunctionList;
|
|
|
477 |
delete iRequestStatusList;
|
|
|
478 |
// Deletes lock
|
|
|
479 |
delete iRequestLock;
|
|
|
480 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::~DISIKernelAsyncRequests<" ) ) );
|
|
|
481 |
}
|
|
|
482 |
|
|
|
483 |
void DISIKernelChannel::DISIKernelAsyncRequests::SetPending(
|
|
|
484 |
const TUint aRequest,
|
|
|
485 |
TDfc* aDfc,
|
|
|
486 |
TRequestStatus* aStatus
|
|
|
487 |
)
|
|
|
488 |
{
|
|
|
489 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::SetPending %d 0x%x 0x%x>" ), aRequest, aDfc, aStatus ) );
|
|
|
490 |
ASSERT_RESET_ALWAYS( aDfc, ( EISIKernelChannelNullParam5 | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
491 |
ASSERT_RESET_ALWAYS( aStatus, ( EISIKernelChannelNullParam6 | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
492 |
ASSERT_RESET_ALWAYS( ( EISILastAsyncRequest > aRequest && EISIAsyncReceive <= aRequest ), ( EISIKernelChannelOverTheLimits2 | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
493 |
// Note asserts must be done before holding the lock.
|
|
|
494 |
NKern::FMWait( iRequestLock );
|
|
|
495 |
iDfcFunctionList[ aRequest ] = aDfc;
|
|
|
496 |
iRequestStatusList[ aRequest ] = aStatus;
|
|
|
497 |
*iRequestStatusList[ aRequest ] = KRequestPending;
|
|
|
498 |
NKern::FMSignal( iRequestLock );
|
|
|
499 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::SetPending %d 0x%x 0x%x<" ), aRequest, aDfc, aStatus ) );
|
|
|
500 |
}
|
|
|
501 |
|
|
|
502 |
TBool DISIKernelChannel::DISIKernelAsyncRequests::IsPending(
|
|
|
503 |
const TUint aRequest
|
|
|
504 |
)
|
|
|
505 |
{
|
|
|
506 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::IsPending %d>" ), aRequest ) );
|
|
|
507 |
ASSERT_RESET_ALWAYS( ( EISILastAsyncRequest > aRequest && EISIAsyncReceive <= aRequest ), ( EISIKernelChannelOverTheLimits3 | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
508 |
TBool ret( EFalse );
|
|
|
509 |
NKern::FMWait( iRequestLock );
|
|
|
510 |
ret = ( iDfcFunctionList[ aRequest ] && iRequestStatusList[ aRequest ] ) ? ETrue : EFalse;
|
|
|
511 |
NKern::FMSignal( iRequestLock );
|
|
|
512 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::IsPending %d %d<" ), aRequest, ret ) );
|
|
|
513 |
return ret;
|
|
|
514 |
}
|
|
|
515 |
|
|
|
516 |
void DISIKernelChannel::DISIKernelAsyncRequests::Complete(
|
|
|
517 |
const TUint aRequest,
|
|
|
518 |
const TInt aStatusToComplete
|
|
|
519 |
)
|
|
|
520 |
{
|
|
|
521 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::Complete %d>" ), aRequest ) );
|
|
|
522 |
// Check that request is legal.
|
|
|
523 |
ASSERT_RESET_ALWAYS( ( EISILastAsyncRequest > aRequest && EISIAsyncReceive <= aRequest ), ( EISIKernelChannelOverTheLimits4 | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
524 |
NKern::FMWait( iRequestLock );
|
|
|
525 |
TDfc* completeDfc = iDfcFunctionList[ aRequest ];
|
|
|
526 |
if( ( completeDfc && iRequestStatusList[ aRequest ] ) )
|
|
|
527 |
{
|
|
|
528 |
// Writing straight to clients pointer. There is a risk that malfunctioning client can mess up it's own pointer, if used out side of rx dfc, but what can you do..
|
|
|
529 |
*iRequestStatusList[ aRequest ] = aStatusToComplete;
|
|
|
530 |
ASSERT_RESET_ALWAYS( !completeDfc->Queued(), ( EISIKernelChannelDfcAlreadyQueued | EDISIKernelChannelId << KClassIdentifierShift ) );
|
|
|
531 |
completeDfc->Enque();
|
|
|
532 |
iDfcFunctionList[ aRequest ] = NULL;
|
|
|
533 |
}
|
|
|
534 |
NKern::FMSignal( iRequestLock );
|
|
|
535 |
C_TRACE( ( _T( "DISIKernelAsyncRequests::Complete %d<" ), aRequest ) );
|
|
|
536 |
}
|
|
|
537 |
|
|
|
538 |
// Internal end
|
|
|
539 |
|
|
0
|
540 |
// End of file.
|
|
|
541 |
|