--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/isce/isaaccessextension_dll/src/isakernelchannel.cpp Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,883 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+
+#include <pn_const.h> // For PN_NO_ROUTING
+
+#include <nk_priv.h> // For __ASSERT_SYSTEM_LOCK etc..
+
+#include "isakernelchannel.h"
+#include "queue.h" // For DQueue
+#include "iadtrace.h" // For ASSERT_...
+#include "isaaccessextension.h" // For DIsaAccessExtension
+#include "iadnokiadefinitions.h" // For checking allowed kernel channels.
+
+// Extracting and adding the pipeheader.
+#include <phonetisi.h> // For ISI_HEADER_SIZE
+#include <pipeisi.h> // For PNS_PIPE_DATA_OFFSET_DATA
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "isakernelchannelTraces.h"
+#endif
+const TInt KPipeDataHeader( ISI_HEADER_SIZE + PNS_PIPE_DATA_OFFSET_DATA );
+
+// CONST
+const TInt KFirstParam( 0 );
+const TInt KSecondParam( 1 );
+const TInt KThirdParam( 2 );
+const TInt KFourthParam( 3 );
+
+const TInt KDestroyChannelMsg( 0xff );
+
+// TODO: change this to use UniqueID instead and to extension..
+void DISAKernelChannel::CheckDfc()
+{
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_CHECKDFC_ENTRY, ">DISAKernelChannel::CheckDfc" );
+
+ C_TRACE( ( _T( "DISAKernelChannel::CheckDfc>" ) ) );
+ DObject* tempObj = reinterpret_cast<DObject*>( &Kern::CurrentThread() );
+ TUint8* buffer = ( TUint8* )Kern::Alloc( 100 );
+ TPtr8* bufferPtr = new ( TPtr8 )( buffer, 100 );
+ tempObj->Name( *bufferPtr );
+ if ( bufferPtr->Compare( KIADExtensionDfc ) != KErrNone )
+ {
+ for( TInt i( 0 );i < bufferPtr->Length(); ++i )
+ {
+ C_TRACE( ( _T( "bufferPtr[ %d ] %c" ), i, bufferPtr->Ptr()[ i ] ) );
+ }
+ ASSERT_RESET_ALWAYS( 0, EIADWrongDFCQueueUsed | EIADFaultIdentifier1 << KFaultIdentifierShift );
+ }
+ Kern::Free( buffer );
+ delete bufferPtr;
+ bufferPtr = NULL;
+ C_TRACE( ( _T( "DISAKernelChannel::CheckDfc<" ) ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_CHECKDFC_EXIT, "<DISAKernelChannel::CheckDfc" );
+ }
+
+#ifdef _DEBUG
+#define ASSERT_DFCTHREAD_INEXT() CheckDfc()
+#else
+#define ASSERT_DFCTHREAD_INEXT()
+#endif
+
+DISAKernelChannel::DISAKernelChannel(
+ // None
+ ) :
+ iKernelChMsgQue( MsgQDfc,this, DIsaAccessExtension::GetDFCThread( EIADExtensionDfcQueue ), KIADKernelChMsgQueDfcPriori )
+ {
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_ENTRY, ">DISAKernelChannel::DISAKernelChannel" );
+
+ C_TRACE( ( _T( "DISAKernelChannel::DISAKernelChannel ->" ) ) );
+
+ iChannelNumber = KNotInitializedChannel;
+
+ //owned
+ iPtrPtrToRxBuf = NULL;
+ iPtrPtrToDataRxBuf = NULL;
+
+ iRx = new DQueue( KIADKernelRxQueuSize );
+ iDataRx = new DQueue( KIADKernelDataRxQueuSize );
+ // NOTE! This now in extension DFC, kernel client must ensure not to write to user add space in this threads context.
+ iEmptyRxDfc = new TDfc( EmptyRxDfc, this, DIsaAccessExtension::GetDFCThread( EIADExtensionDfcQueue ), KIADKernelEmptyRxQueuePriori );
+ iEmptyDataRxDfc = new TDfc( EmptyDataRxDfc, this, DIsaAccessExtension::GetDFCThread( EIADExtensionDfcQueue ), KIADKernelEmptyRxQueuePriori );
+
+ ASSERT_RESET_ALWAYS( iRx && iDataRx && iEmptyRxDfc && iEmptyDataRxDfc, EIADMemoryAllocationFailure | EIADFaultIdentifier7 << KFaultIdentifierShift );
+
+ for( TInt i( KErrNone ); i < EIADAsyncLast; ++i )
+ {
+ iRequests[ i ].iDfcFunction = NULL;
+ iRequests[ i ].iRequestStatus = NULL;//*KRequestPending;
+ }
+ iExtensionApi = DIsaAccessExtension::GetChannel2IADApi();
+ ASSERT_RESET_ALWAYS( iExtensionApi, EIADMemoryAllocationFailure | EIADFaultIdentifier8 << KFaultIdentifierShift );
+ iPep = NULL;
+ C_TRACE( ( _T( "DISAKernelChannel::DISAKernelChannel calling Receive..." ) ) );
+ iKernelChMsgQue.Receive();
+ C_TRACE( ( _T( "DISAKernelChannel::DISAKernelChannel <-" ) ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_EXIT, "<DISAKernelChannel::DISAKernelChannel" );
+ }
+
+DISAKernelChannel::~DISAKernelChannel(
+ // None
+ )
+ {
+ OstTrace0( TRACE_NORMAL, DUP1_DISAKERNELCHANNEL_DISAKERNELCHANNEL_ENTRY, ">DISAKernelChannel::~DISAKernelChannel" );
+
+ // Send channel destroyed message to complete with EFalse.
+ TThreadMessage& m=Kern::Message();
+ m.iValue = KDestroyChannelMsg;
+ m.SendReceive( &iKernelChMsgQue );
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel 0x%x ->" ), iChannelNumber ) );
+ if( iRx )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel iRx" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_RX, "DISAKernelChannel::~DISAKernelChannel iRx" );
+
+ delete iRx;
+ iRx =NULL;
+ }
+ if( iDataRx )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel iDataRx" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_DATARX, "DISAKernelChannel::~DISAKernelChannel iDataRx" );
+ delete iDataRx;
+ iDataRx =NULL;
+ }
+ if( iPtrPtrToRxBuf )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel iPtrPtrToRxBuf" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_PTRPTRTORXBUF, "DISAKernelChannel::~DISAKernelChannel iPtrPtrToRxBuf" );
+ iPtrPtrToRxBuf =NULL;
+ }
+ if( iPtrPtrToDataRxBuf )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel iPtrPtrToDataRxBuf" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_PTRPTRTODATARXBUF, "DISAKernelChannel::~DISAKernelChannel iPtrPtrToDataRxBuf" );
+ iPtrPtrToDataRxBuf =NULL;
+ }
+ if( iEmptyRxDfc )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel iEmptyRxDfc" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_EMTPYRXDFC, "DISAKernelChannel::~DISAKernelChannel iEmptyRxDfc" );
+ iEmptyRxDfc->Cancel();
+ delete iEmptyRxDfc;
+ iEmptyRxDfc = NULL;
+ }
+ if( iEmptyDataRxDfc )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel iEmptyDataRxDfc" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DISAKERNELCHANNEL_EMTPYDATARXDFC, "DISAKernelChannel::~DISAKernelChannel iEmptyDataRxDfc" );
+ iEmptyDataRxDfc->Cancel();
+ delete iEmptyDataRxDfc;
+ iEmptyDataRxDfc = NULL;
+ }
+
+ // not owned, just using
+ iPep = NULL;
+ iExtensionApi = NULL;
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel table TBR" ) ) );
+ for( TInt i( KErrNone ); i < EIADAsyncLast; ++i )
+ {
+ iRequests[ i ].iDfcFunction = NULL;
+ iRequests[ i ].iRequestStatus = NULL;
+ }
+ iChannelNumber = KNotInitializedChannel;
+ C_TRACE( ( _T( "DISAKernelChannel::~DISAKernelChannel 0x%x <-" ), iChannelNumber ) );
+
+ OstTrace0( TRACE_NORMAL, DUP1_DISAKERNELCHANNEL_DISAKERNELCHANNEL_EXIT, "<DISAKernelChannel::~DISAKernelChannel" );
+ }
+
+// Handling of the request from kernel api
+TInt DISAKernelChannel::HandleRequest(
+ TThreadMessage& aMsg
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_HANDLEREQUEST_ENTRY, ">DISAKernelChannel::HandleRequest;aMsg=%x", ( TUint )&( aMsg ) );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleRequest 0x%x 0x%x 0x%x ->" ), this, iChannelNumber, aMsg.iValue ) );
+ // NOTE! Major change previously went as client thread's context for allocating etc... now going as
+ // context of the extension dfc thread.
+
+ // __NK_ASSERT_UNLOCKED;
+ __ASSERT_NO_FAST_MUTEX; // nk_priv.h published partner.
+ ASSERT_CONTEXT_ALWAYS( NKern::EThread, iChannelNumber );
+ // TODO
+ //@pre Kernel must be unlocked
+ //@pre interrupts enabled
+
+ C_TRACE( ( _T( "DISAKernelChannel::HandleRequest 0x%x == 0x%x " ), iChannelNumber, KNotInitializedChannel ) );
+ TInt valueToReturn( KErrNotSupported );
+ if( KNotInitializedChannel == iChannelNumber )
+ {
+ // In case of a open request.
+ if( EIADAsyncOpen == aMsg.iValue )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleRequest open.. 0x%x" ), this ) );
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_HANDLEREQUEST, "DISAKernelChannel::HandleRequest;this=%x", this );
+
+ valueToReturn = aMsg.SendReceive( &iKernelChMsgQue );
+ }
+ // In case of a already closed channel close request.
+ else
+ {
+ // Do nothing
+ C_TRACE( ( _T( "DISAKernelChannel::HandleRequest already closed channel.. 0x%x" ), this ) );
+ OstTrace1( TRACE_NORMAL, DUP1_DISAKERNELCHANNEL_HANDLEREQUEST, "DISAKernelChannel::HandleRequest already closed channel;this=%x", this );
+
+ valueToReturn = KErrNone;
+ ASSERT_RESET_ALWAYS( ( EIADClose == aMsg.iValue ), EIADWrongParameter | EIADFaultIdentifier6 << KFaultIdentifierShift );
+ }
+ }
+ else
+ {
+ // Do nothing
+ valueToReturn = KErrInUse;
+ if( EIADAsyncOpen != aMsg.iValue )
+ {
+ valueToReturn = aMsg.SendReceive( &iKernelChMsgQue );
+ }
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::HandleRequest 0x%x %d <-" ), this, valueToReturn ) );
+
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_HANDLEREQUEST_EXIT, "<DISAKernelChannel::HandleRequest;valueToReturn=%d", valueToReturn );
+ return valueToReturn;
+ }
+
+void DISAKernelChannel::NotifyConnectionStatus(
+ TIADConnectionStatus aStatus
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_NOTIFYCONNECTIONSTATUS_ENTRY, ">DISAKernelChannel::NotifyConnectionStatus;aStatus=%x", ( TUint )&( aStatus ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::NotifyConnectionStatus -> %d 0x%x" ), aStatus, this ) );
+ // If we have DFC active.
+ CompleteChannelRequest( EIADAsyncNotifyConnectionStatus, aStatus );
+ C_TRACE( ( _T( "DISAKernelChannel::NotifyConnectionStatus <- %d 0x%x" ), aStatus, this ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_NOTIFYCONNECTIONSTATUS_EXIT, "<DISAKernelChannel::NotifyConnectionStatus" );
+ }
+
+void DISAKernelChannel::ReceiveMsg(
+ const TDesC8& aMessage
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_RECEIVEMSG_ENTRY, ">DISAKernelChannel::ReceiveMsg;aMessage=%x", ( TUint )&( aMessage ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::ReceiveMsg 0x%x 0x%x ->" ), iChannelNumber, &aMessage ) );
+ // Can only be called from thread context.
+ ASSERT_CONTEXT_ALWAYS( NKern::EThread, 0 );// 0 is iad?
+ iRx->Add( aMessage );
+// TRACE_ASSERT( !iEmptyRxDfc->Queued() );
+ iEmptyRxDfc->Enque();
+ C_TRACE( ( _T( "DISAKernelChannel::ReceiveMsg 0x%x 0x%x <-" ), iChannelNumber, &aMessage ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_RECEIVEMSG_EXIT, "<DISAKernelChannel::ReceiveMsg" );
+ }
+
+// Register pep associated to this channel to listen data message
+// deliveries.
+void DISAKernelChannel::RegisterPep(
+ MDataMessageStatus& aPep
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_REGISTERPEP_ENTRY, ">DISAKernelChannel::RegisterPep;aPep=%x", ( TUint )&( aPep ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::RegisterPep 0x%x 0x%x ->" ), iPep, iChannelNumber ) );
+ iPep = &aPep;
+ C_TRACE( ( _T( "DISAKernelChannel::RegisterPep 0x%x 0x%x <-" ), iPep, iChannelNumber ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_REGISTERPEP_EXIT, "<DISAKernelChannel::RegisterPep" );
+ }
+
+// When data message is written to user thread call
+// MDataMesssageStatus::DataMessageDelivered. It's responsibility is to
+// tell PEP that one data message e.g.a credit is used. PEP's should also
+// keep count of data messages added to channel to be abel to control the
+// legacy flowcontrol
+void DISAKernelChannel::ReceiveDataMsg(
+ const TDesC8& aDataMessage
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_RECEIVEDATAMSG_ENTRY, ">DISAKernelChannel::ReceiveDataMsg;aDataMessage=%x", ( TUint )&( aDataMessage ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::ReceiveDataMsg 0x%x 0x%x ->" ), iChannelNumber, &aDataMessage ) );
+ // Can only be called from thread context.
+ ASSERT_CONTEXT_ALWAYS( NKern::EThread, 0 );// 0 is iad?
+ iDataRx->Add( aDataMessage );
+ iEmptyDataRxDfc->Enque();
+ C_TRACE( ( _T( "DISAKernelChannel::ReceiveDataMsg 0x%x 0x%x <-" ), iChannelNumber, &aDataMessage ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_RECEIVEDATAMSG_EXIT, "<DISAKernelChannel::ReceiveDataMsg" );
+ }
+
+void DISAKernelChannel::NotifyFlowCtrl(
+ TIADFlowControlStatus aStatus
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_NOTIFYFLOWCTRL_ENTRY, ">DISAKernelChannel::NotifyFlowCtrl;aStatus=%x", ( TUint )&( aStatus ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::NotifyFlowCtrl -> %d 0x%x" ), aStatus, this ) );
+ // If we have DFC active.
+ CompleteChannelRequest( EIADAsyncNotifyFlowControlStatus, aStatus );
+ C_TRACE( ( _T( "DISAKernelChannel::NotifyFlowCtrl <- %d 0x%x" ), aStatus, this ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_NOTIFYFLOWCTRL_EXIT, "<DISAKernelChannel::NotifyFlowCtrl" );
+ }
+
+
+void DISAKernelChannel::CompleteChannelRequest(
+ TInt aRequest,
+ TInt aStatusToComplete
+ )
+ {
+ OstTraceExt2( TRACE_NORMAL, DISAKERNELCHANNEL_COMPLETECHANNELREQUEST_ENTRY, ">DISAKernelChannel::CompleteChannelRequest;aRequest=%d;aStatusToComplete=%d", aRequest, aStatusToComplete );
+
+ C_TRACE( ( _T( "DISAKernelChannel::CompleteChannelRequest %d %d 0x%x ->" ), aRequest, aStatusToComplete, iChannelNumber ) );
+ ASSERT_DFCTHREAD_INEXT();
+ // Acceptable asynchronous requests in kernel channel.
+ ASSERT_RESET_ALWAYS( ( aRequest == EIADAsyncOpen ||
+ aRequest == EIADAsyncReceive ||
+ aRequest == EIADAsyncDataReceive ||
+ aRequest == EIADAsyncNotifyFlowControlStatus ||
+ aRequest == EIADAsyncNotifyConnectionStatus ), EIADWrongParameter | EIADFaultIdentifier7 << KFaultIdentifierShift );
+ ASSERT_CONTEXT_ALWAYS( NKern::EThread, 0 );
+ ASSERT_RESET_ALWAYS( EIADAsyncLast > ( aRequest ), EIADOverTheLimits | EIADFaultIdentifier35 << KFaultIdentifierShift );
+ if( iRequests[ aRequest ].iDfcFunction )
+ {
+ // Clien't DFC function. The writing to user addr. space and DP issues are in resp of the client.
+ TDfc* completeDfc = iRequests[ aRequest ].iDfcFunction;
+ C_TRACE( ( _T( "DISAKernelChannel::CompleteChannelRequest %d %d 0x%x 0x%x" ), aRequest, aStatusToComplete, completeDfc, iChannelNumber ) );
+ OstTraceExt4( TRACE_NORMAL, DISAKERNELCHANNEL_COMPLETECHANNELREQUEST, "DISAKernelChannel::CompleteChannelRequest;aRequest=%d;aStatusToComplete=%d;iChannelNumber=%hx;completeDfc=%x", aRequest, aStatusToComplete, iChannelNumber, (TUint)(completeDfc) );
+
+ *iRequests[ aRequest ].iRequestStatus = aStatusToComplete;
+ C_TRACE( ( _T( "DISAKernelChannel::CompleteChannelRequest %d %d 0x%x 0x%x TBR" ), aRequest, aStatusToComplete, completeDfc, iChannelNumber ) );
+ iChannelNumber = ( aRequest == EIADAsyncOpen ? ( KErrNone == aStatusToComplete || KErrInUse == aStatusToComplete ? ~iChannelNumber : KNotInitializedChannel ) : iChannelNumber );
+ ASSERT_RESET_ALWAYS( !completeDfc->Queued(), EIADDFCAlreadyQueued | EIADFaultIdentifier1 << KFaultIdentifierShift );
+ completeDfc->Enque();
+ C_TRACE( ( _T( "DISAKernelChannel::CompleteChannelRequest %d %d 0x%x 0x%x TBR" ), aRequest, aStatusToComplete, completeDfc, iChannelNumber ) );
+ iRequests[ aRequest ].iDfcFunction = NULL;
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::CompleteChannelRequest %d %d 0x%x <-" ), aRequest, aStatusToComplete, iChannelNumber ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_COMPLETECHANNELREQUEST_EXIT, "<DISAKernelChannel::CompleteChannelRequest" );
+ }
+
+void DISAKernelChannel::MsgQDfc(
+ TAny* aPtr
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_MSGQDFC_ENTRY, ">DISAKernelChannel::MsgQDfc;aPtr=%x", ( TUint )( aPtr ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::MsgQDfc ->" ) ) );
+ DISAKernelChannel* tmp = reinterpret_cast<DISAKernelChannel*>( aPtr );
+ tmp->HandleThreadMsg( static_cast<TThreadMessage&>(*tmp->iKernelChMsgQue.iMessage ) );
+ C_TRACE( ( _T( "DISAKernelChannel::MsgQDfc <-" ) ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_MSGQDFC_EXIT, "<DISAKernelChannel::MsgQDfc" );
+ }
+
+void DISAKernelChannel::HandleThreadMsg(
+ TThreadMessage& aMsg
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_HANDLETHREADMSG_ENTRY, ">DISAKernelChannel::HandleThreadMsg;aMsg=%x", ( TUint )&( aMsg ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::HandleThreadMsg 0x%x ->" ), &aMsg ) );
+ TThreadMessage& m = ( aMsg );
+ /* TODO CLOSING See LDD Framework DLogicalChannel */
+ TInt completeValue( KErrNone );
+ TBool complete( ETrue );
+ switch( m.iValue )
+ {
+ // All asynchronous requests. Return result after DFC function is run.
+ case EIADAsyncOpen:
+ case EIADAsyncNotifyConnectionStatus:
+ case EIADAsyncNotifyFlowControlStatus:
+ case EIADAsyncReceive:
+ case EIADAsyncDataReceive:
+ {
+ // No need to check return value in async functions, completed to client from DFC.
+ HandleDfcRequest( m );
+ break;
+ }
+ case EIADAllocateBlock:
+ case EIADAllocateDataBlock:
+ case EIADDeAllocateBlock:
+ case EIADDeAllocateDataBlock:
+ case EIADSend:
+ case EIADDataSend:
+ case EIADSendIndication:
+ case EIADSubscribeIndications:
+ case EIADSubscribeIndications32Bit:
+ {
+ completeValue = HandleSyncRequest( m );
+ break;
+ }
+ // From synchronized request return the result immediately
+ case EIADClose:
+ {
+ completeValue = HandleSyncRequest( m );
+ break;
+ }
+ case KDestroyChannelMsg:
+ {
+ completeValue = KErrNone;
+ complete = EFalse;
+ break;
+ }
+ case KMaxTInt:
+ {
+ completeValue = KErrNone;
+ DoCancel( KMaxTInt, m.Int0() );
+ break;
+ }
+ default:
+ {
+ ASSERT_RESET_ALWAYS( 0, EIADWrongRequest | EIADFaultIdentifier1 << KFaultIdentifierShift );
+ break;
+ }
+ }
+ m.Complete( completeValue, complete );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleThreadMsg <-" ) ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_HANDLETHREADMSG_EXIT, "<DISAKernelChannel::HandleThreadMsg" );
+ }
+
+void DISAKernelChannel::HandleDfcRequest(
+ TThreadMessage& aMsg
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_HANDLEDFCREQUEST_ENTRY, ">DISAKernelChannel::HandleDfcRequest;aMsg=%x", ( TUint )&( aMsg ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::HandleDfcRequest 0x%x ->" ), &aMsg ) );
+ TThreadMessage& m = ( aMsg );
+ TInt request( m.iValue );
+ ASSERT_RESET_ALWAYS( m.iArg, EIADNullParameter | EIADFaultIdentifier1 << KFaultIdentifierShift );
+ // If request already active.
+ ASSERT_RESET_ALWAYS( EIADAsyncLast > ( request ), EIADOverTheLimits | EIADFaultIdentifier36 << KFaultIdentifierShift );
+ if( iRequests[ request ].iDfcFunction )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleDfcRequest existing 0x%x request 0x%x" ), this, request ) );
+ TRACE_ASSERT_INFO(0, (TUint8)iChannelNumber<<KChannelNumberShift | (TUint8)request<<KExtraInfoShift );
+ // Active object should not give same request object twice before completing the first one.
+ ASSERT_RESET_ALWAYS( !iRequests[ request ].iDfcFunction, ( EIADSameRequestTwice | static_cast<TUint8>( iChannelNumber ) << KChannelNumberShift | static_cast<TUint8>( request ) << KExtraInfoShift ) );
+ //CompleteChannelRequest( request, KErrAlreadyExists );
+ }
+ else
+ {
+ C_TRACE( ( _T( "HandleDfcRequest handling %d 0x%x" ), request, this ) );
+ //NOTE! This are tight to isakernelapi parameter passing!!
+ C_TRACE( ( _T( "TBR *** TBR m.iArg[ 0 ]=0x%x m.iArg[ 1 ]=0x%x m.iArg[ 2 ]=0x%x m.iArg[ 3 ]=0x%x "), m.iArg[ 0 ], m.iArg[ 1 ], m.iArg[ 2 ], m.iArg[ 3 ] ) );
+ TUint32* tablePtr = reinterpret_cast<TUint32*>( m.Ptr0() );
+ TInt* dfcStatus = reinterpret_cast<TInt*>( tablePtr[ 0 ] );
+ TDfc* dfc = reinterpret_cast<TDfc*>( tablePtr[ 1 ] );
+ ASSERT_RESET_ALWAYS( dfcStatus, EIADNullParameter | EIADFaultIdentifier2 << KFaultIdentifierShift );
+ ASSERT_RESET_ALWAYS( dfc, EIADNullParameter | EIADFaultIdentifier3 << KFaultIdentifierShift );
+ iRequests[ request ].iDfcFunction = dfc;
+ iRequests[ request ].iRequestStatus = dfcStatus;
+ // Set the request to pending.
+ *iRequests[ request ].iRequestStatus = KRequestPending;
+ C_TRACE( ( _T( "HandleDfcRequest dfc 0x%x dfcStatus 0x%x dfcStatus %d " ), iRequests[ request ].iDfcFunction, iRequests[ request ].iRequestStatus, *iRequests[ request ].iRequestStatus ) );
+ switch( request )
+ {
+ case EIADAsyncOpen:
+ {
+ C_TRACE( ( _T( "HandleDfcRequest EIADNokiaKernelOpen 0x%x" ), this ) );
+ iChannelNumber = tablePtr[ KThirdParam ];
+ iChannelNumber = ~iChannelNumber;
+ C_TRACE( ( _T( "HandleDfcRequest EIADNokiaKernelOpen 0x%x 0x%x TBR" ), iChannelNumber, ~iChannelNumber ) );
+ const TDesC8& resource = *reinterpret_cast<const TDesC8*>( tablePtr[ KFourthParam ] );
+ ASSERT_RESET_ALWAYS( resource.Length() > ( 3 ), EIADOverTheLimits | EIADFaultIdentifier37 << KFaultIdentifierShift );
+ C_TRACE( ( _T( "0x%x 0x%x 0x%x 0x%x TBR" ), resource[ 0 ], resource[ 1 ], resource[ 2 ], resource[ 3 ] ) );
+ if( PN_NO_ROUTING == resource[ KFourthParam ] )
+ {
+ C_TRACE( ( _T( "HandleDfcRequest EIADNokiaKernelOpen normal 0x%x" ), this ) );
+ iExtensionApi->Open( ~iChannelNumber, request, this );
+ }
+ else
+ {
+ // TODO : trace works only for 8-bit values.
+ C_TRACE( ( _T( "HandleDfcRequest EIADNokiaKernelOpen resource 0x%x 0x%x" ), resource[ KFourthParam ], this ) );
+ iExtensionApi->Open( ~iChannelNumber, request, resource, this );
+ }
+ break;
+ }
+ case EIADAsyncNotifyConnectionStatus:
+ {
+ C_TRACE( ( _T( "HandleDfcRequest EIADAsyncNotifyConnectionStatus 0x%x" ), this ) );
+ // Nothing to do, the dfc and status are marked as active.
+ break;
+ }
+ case EIADAsyncNotifyFlowControlStatus:
+ {
+ C_TRACE( ( _T( "HandleDfcRequest EIADAsyncNotifyFlowControlStatus 0x%x" ), this ) );
+ // Nothing to do, the dfc and status are marked as active.
+ break;
+ }
+ case EIADAsyncReceive:
+ {
+ C_TRACE( ( _T( "HandleDfcRequest EIADAsyncReceive 0x%x" ), this ) );
+ ASSERT_RESET_ALWAYS( !iPtrPtrToRxBuf, EIADBufferNotReleased | ( iChannelNumber << KChannelNumberShift ) );
+ iPtrPtrToRxBuf = reinterpret_cast<TDes8**>( tablePtr[ KThirdParam ] );
+ C_TRACE( ( _T( "PTR iPtrPtrToRxBuf PTR 0x%x REF 0x%x" ), iPtrPtrToRxBuf, &iPtrPtrToRxBuf ) );
+ C_TRACE( ( _T( "HandleDfcRequest EIADAsyncReceive 0x%x 0x%x" ), this, iPtrPtrToRxBuf ) );
+ iEmptyRxDfc->Enque();
+ break;
+ }
+ case EIADAsyncDataReceive:
+ {
+ C_TRACE( ( _T( "HandleDfcRequest EIADAsyncDataReceive 0x%x" ), this ) );
+ ASSERT_RESET_ALWAYS( !iPtrPtrToDataRxBuf, EIADBufferNotReleased | ( iChannelNumber << KChannelNumberShift ) );
+ iPtrPtrToDataRxBuf = reinterpret_cast<TDes8**>( tablePtr[ KThirdParam ] );
+ C_TRACE( ( _T( "PTR iPtrPtrToDataRxBuf PTR 0x%x REF 0x%x" ), iPtrPtrToDataRxBuf, &iPtrPtrToDataRxBuf ) );
+ C_TRACE( ( _T( "HandleDfcRequest EIADAsyncDataReceive 0x%x 0x%x" ), this, iPtrPtrToDataRxBuf ) );
+ iEmptyDataRxDfc->Enque();
+ break;
+ }
+ default:
+ {
+ ASSERT_RESET_ALWAYS( 0, EIADWrongRequest | EIADFaultIdentifier2 << KFaultIdentifierShift );
+ break;
+ }
+ }
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::HandleDfcRequest 0x%x <-" ), &aMsg ) );
+
+ }
+
+
+TInt DISAKernelChannel::HandleSyncRequest(
+ TThreadMessage& aMsg
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_HANDLESYNCREQUEST_ENTRY, ">DISAKernelChannel::HandleSyncRequest;aMsg=%x", ( TUint )&( aMsg ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest 0x%x ->" ), &aMsg ) );
+ TThreadMessage& m = ( aMsg );
+ TInt request( m.iValue );
+ ASSERT_RESET_ALWAYS( m.iArg, EIADNullParameter | EIADFaultIdentifier4 << KFaultIdentifierShift );
+ TInt returnValue( KErrNone );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest handling %d 0x%x" ), request, this ) );
+ //NOTE! These are tight to isakernelapi parameter passing!!
+ TUint32* tablePtr = reinterpret_cast<TUint32*>( m.Ptr0() );
+ switch( request )
+ {
+ case EIADClose:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADClose 0x%x" ), this ) );
+ ResetQueues();
+ for( TInt i( KErrNone ); i < EIADAsyncLast; ++i )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::CancelRequests req to cancel %d" ), i ) );
+ DoCancel( KMaxTInt, i );
+ }
+ Close( iChannelNumber );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADClose 0x%x 0x%x == 0x%x " ), this, iChannelNumber, KNotInitializedChannel ) );
+ break;
+ }
+ case EIADAllocateBlock:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADAllocateBlock 0x%x" ), this ) );
+ const TInt size = *reinterpret_cast<TInt*>( tablePtr[ KFirstParam ] );
+ TDes8*& block = *(reinterpret_cast<TDes8**>( tablePtr[ KSecondParam ] ));
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADAllocateBlock 0x%x 0x%x TBR" ), this, block ) );
+ block = ( &iExtensionApi->AllocateBlock( size ) );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADAllocateBlock 0x%x 0x%x TBR2" ), this, block ) );
+ break;
+ }
+ case EIADAllocateDataBlock:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADAllocateDataBlock 0x%x" ), this ) );
+ const TInt size = *reinterpret_cast<TInt*>( tablePtr[ KFirstParam ] );
+ TDes8*& block = *(reinterpret_cast<TDes8**>( tablePtr[ KSecondParam ] ));
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADAllocateDataBlock 0x%x 0x%x TBR" ), this, block ) );
+ block = ( &iExtensionApi->AllocateDataBlock( size ) );
+ C_TRACE( ( _T( "GET block 0x%x length %d maxLength %d" ), &block, block->Length(), block->MaxLength() ) );
+ TInt tmpLength( block->MaxLength() - KPipeDataHeader );
+ TUint8* tmpPtr( const_cast<TUint8*>( ( block->Ptr() + KPipeDataHeader ) ) );
+ TPtr* test = static_cast<TPtr8*>( block );
+ test->Set( tmpPtr, 0, tmpLength );
+ C_TRACE( ( _T( "MOD block 0x%x length %d maxLength %d tmpPtr = 0x%x tmpPtr-KPipeDataHeader=0x%x" ), &block, block->Length(), block->MaxLength(), tmpPtr, ( tmpPtr - KPipeDataHeader ) ) );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADAllocateDataBlock 0x%x 0x%x TBR2" ), this, block ) );
+ break;
+ }
+ case EIADDeAllocateBlock:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDeAllocateBlock 0x%x" ), this ) );
+ TDes8& block = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDeAllocateBlock 0x%x 0x%x TBR2" ), this, &block ) );
+ // Needed to ensure that right channel is deleting the right block. (Could it be done otherways too?)
+ if( iPtrPtrToRxBuf )
+ {
+ if ( &block == *iPtrPtrToRxBuf )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest release iPtrPtrToRxBuf") ) );
+ iPtrPtrToRxBuf = NULL;
+ }
+ }
+ iExtensionApi->DeAllocateBlock( block );
+ break;
+ }
+ case EIADDeAllocateDataBlock:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDeAllocateDataBlock 0x%x" ), this ) );
+ // Needed to ensure that right channel is deleting the right block. (Could it be done otherways too?)
+ TPtr8& block = *reinterpret_cast<TPtr8*>( tablePtr[ KFirstParam ] );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDeAllocateDataBlock 0x%x 0x%x TBR2" ), this, &block ) );
+ if( iPtrPtrToDataRxBuf )
+ {
+ if ( &block == *iPtrPtrToDataRxBuf ) // TODO: do less branches
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest release iPtrPtrToDataRxBuf") ) );
+ iPtrPtrToDataRxBuf = NULL;
+ }
+ }
+ TDes8* block2 = █
+ TDes8*& tmpPtrPtr = *( &block2 );
+ TInt tmpLength( ( block2->Length() + KPipeDataHeader ) );
+ TInt tmpMaxLength( ( block2->MaxLength() + KPipeDataHeader ) );
+ TUint8* tmpPtr( const_cast<TUint8*>( ( tmpPtrPtr->Ptr() - KPipeDataHeader ) ) );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDeAllocateDataBlock TBR tmpPtr=0x%x tmpPtr+KPipeDataHeader=0x%x TBR2" ), tmpPtr, (tmpPtr+KPipeDataHeader) ) );
+ block.Set( tmpPtr, tmpLength, tmpMaxLength );
+ iExtensionApi->DeAllocateBlock( block );
+ ASSERT_RESET_ALWAYS( iPep, EIADNullParameter | EIADFaultIdentifier28 << KFaultIdentifierShift );
+ iPep->DataMessageDelivered();
+
+
+ break;
+ }
+ case EIADSend:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADSend 0x%x" ), this ) );
+ TDes8& block = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADSend 0x%x 0x%x TBR2" ), this, &block ) );
+ returnValue = iExtensionApi->SendMessage( block, iChannelNumber );
+ break;
+ }
+ case EIADDataSend:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDataSend 0x%x" ), this ) );
+ TPtr8& block = *reinterpret_cast<TPtr8*>( tablePtr[ KFirstParam ] );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDataSend 0x%x 0x%x TBR2" ), this, &block ) );
+ TDes8* block2 = █
+ TDes8*& tmpPtrPtr = *( &block2 );
+ TInt tmpLength( ( block2->Length() + KPipeDataHeader ) );
+ TInt tmpMaxLength( ( block2->MaxLength() + KPipeDataHeader ) );
+ TUint8* tmpPtr( const_cast<TUint8*>( ( tmpPtrPtr->Ptr() - KPipeDataHeader ) ) );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADDeAllocateDataBlock TBR tmpPtr=0x%x tmpPtr+KPipeDataHeader=0x%x TBR2" ), tmpPtr, (tmpPtr+KPipeDataHeader) ) );
+ block.Set( tmpPtr, tmpLength, tmpMaxLength );
+ returnValue = iExtensionApi->SendMessage( block, iChannelNumber );
+ break;
+ }
+ case EIADSendIndication:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADSendIndication 0x%x" ), this ) );
+ TDes8& block = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADSendIndication 0x%x 0x%x TBR2" ), this, &block ) );
+ returnValue = iExtensionApi->SendIndication( block, iChannelNumber );
+ break;
+ }
+ case EIADSubscribeIndications:
+ case EIADSubscribeIndications32Bit:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EIADSubscribeIndications | EIADSubscribeIndications32Bit:0x%x" ), this ) );
+ TDes8& subscription = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
+ TBool thirtyTwoBit( EIADSubscribeIndications32Bit == request ? ETrue : EFalse );
+ returnValue = iExtensionApi->OrderIndication( subscription, iChannelNumber, thirtyTwoBit );
+ break;
+ }
+ default:
+ {
+ ASSERT_RESET_ALWAYS( 0, EIADWrongRequest | EIADFaultIdentifier3 << KFaultIdentifierShift );
+ break;
+ }
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest 0x%x %d <-" ), &aMsg, returnValue ) );
+ return returnValue;
+
+ }
+
+void DISAKernelChannel::EmptyRxDfc(
+ TAny* aPtr // self
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_EMPTYRXDFC_ENTRY, ">DISAKernelChannel::EmptyRxDfc;aPtr=%x", ( TUint )( aPtr ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyRxDfc ->" ) ) );
+ DISAKernelChannel& chTmp = *reinterpret_cast<DISAKernelChannel*>( aPtr );
+ if( ( chTmp.iRequests[ EIADAsyncReceive ].iDfcFunction ) && ( chTmp.iRx->Count() > 0 ) )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyRxDfc 0x%x writing to kernel client" ), chTmp.iChannelNumber ) );
+ TDes8*& tmpWrite = *chTmp.iPtrPtrToRxBuf;
+ tmpWrite = &chTmp.iRx->Get();
+ C_TRACE( ( _T( "PTR2 iPtrPtrToRxBuf PTR 0x%x REF 0x%x" ), chTmp.iPtrPtrToRxBuf, &chTmp.iPtrPtrToRxBuf ) );
+ OstTraceExt2( TRACE_NORMAL, DISAKERNELCHANNEL_EMPTYRXDFC, "DISAKernelChannel::EmptyRxDfc;iPtrPtrToRxBuf=%x;iPtrPtrToRxBuf_ref=%x", (TUint)(chTmp.iPtrPtrToRxBuf), (TUint)&(chTmp.iPtrPtrToRxBuf) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyRxDfc client 0x%x " ), *chTmp.iPtrPtrToRxBuf ) );
+ chTmp.CompleteChannelRequest( EIADAsyncReceive, KErrNone );
+ }
+ else
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyRxDfc 0x%x no receive active or no message" ), chTmp.iChannelNumber ) );
+ OstTraceExt1( TRACE_NORMAL, DUP1_DISAKERNELCHANNEL_EMPTYRXDFC, "DISAKernelChannel::EmptyRxDfc;iChannelNumber=%hx", chTmp.iChannelNumber );
+
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyRxDfc <-" ) ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_EMPTYRXDFC_EXIT, "<DISAKernelChannel::EmptyRxDfc" );
+ }
+
+void DISAKernelChannel::EmptyDataRxDfc(
+ TAny* aPtr // self
+ )
+ {
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_EMPTYDATARXDFC_ENTRY, ">DISAKernelChannel::EmptyDataRxDfc;aPtr=%x", ( TUint )( aPtr ) );
+
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyDataRxDfc ->" ) ) );
+ DISAKernelChannel& chTmp = *reinterpret_cast<DISAKernelChannel*>( aPtr );
+ if( ( chTmp.iRequests[ EIADAsyncDataReceive ].iDfcFunction ) && ( chTmp.iDataRx->Count() > 0 ) )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyDataRxDfc 0x%x writing to kernel client" ), chTmp.iChannelNumber ) );
+ TDes8*& tmpWrite = ( *chTmp.iPtrPtrToDataRxBuf );
+ tmpWrite = ( &chTmp.iDataRx->Get() );
+ C_TRACE( ( _T( "GET tmpWrite 0x%x length %d maxLength %d" ), &tmpWrite, tmpWrite->Length(), tmpWrite->MaxLength() ) );
+ // Adjust the start not to contain pipe header!
+ TInt tmpLength( tmpWrite->Length() - KPipeDataHeader );
+ TInt tmpMaxLength( tmpWrite->MaxLength() - KPipeDataHeader );
+ TUint8* tmpPtr( const_cast<TUint8*>( ( tmpWrite->Ptr() + KPipeDataHeader ) ) );
+ TPtr* test = static_cast<TPtr8*>(tmpWrite);
+ test->Set( tmpPtr, tmpLength, tmpMaxLength );
+ C_TRACE( ( _T( "MOD tmpWrite 0x%x length %d maxLength %d" ), &tmpWrite, tmpWrite->Length(), tmpWrite->MaxLength() ) );
+ C_TRACE( ( _T( "PTR2 iPtrPtrToDataRxBuf PTR 0x%x REF 0x%x" ), chTmp.iPtrPtrToDataRxBuf, &chTmp.iPtrPtrToDataRxBuf ) );
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyDataRxDfc client 0x%x " ), *chTmp.iPtrPtrToDataRxBuf ) );
+ OstTraceExt3( TRACE_NORMAL, DISAKERNELCHANNEL_EMPTYDATARXDFC, "DISAKernelChannel::EmptyDataRxDfc;tmpWrite=%x;iPtrPtrToDataRxBuf=%x;iPtrPtrToDataRxBuf_ref=%x", (TUint)&(tmpWrite), (TUint)(chTmp.iPtrPtrToDataRxBuf), (TUint)&(chTmp.iPtrPtrToDataRxBuf) );
+
+ chTmp.CompleteChannelRequest( EIADAsyncDataReceive, KErrNone );
+ }
+ else
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyDataRxDfc 0x%x no datareceive active or no datamessage" ), chTmp.iChannelNumber ) );
+ OstTraceExt1( TRACE_NORMAL, DUP1_DISAKERNELCHANNEL_EMPTYDATARXDFC, "DISAKernelChannel::EmptyDataRxDfc;iChannelNumber=%hx", chTmp.iChannelNumber );
+
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::EmptyDataRxDfc <-" ) ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_EMPTYDATARXDFC_EXIT, "<DISAKernelChannel::EmptyDataRxDfc" );
+ }
+
+void DISAKernelChannel::DoCancel(
+ TInt aRequest,
+ TInt aMask )
+ {
+ OstTraceExt2( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_ENTRY, ">DISAKernelChannel::DoCancel;aRequest=%d;aMask=%d", aRequest, aMask );
+
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel ->" ) ) );
+ ASSERT_RESET_ALWAYS( EIADAsyncLast > ( aMask&aRequest ), EIADOverTheLimits | EIADFaultIdentifier38 << KFaultIdentifierShift );
+ if( iRequests[ aMask&aRequest ].iDfcFunction )
+ {
+ switch( aMask&aRequest )
+ {
+ case EIADAsyncNotifyFlowControlStatus:
+ {
+ // Nothing to do. Just cancel with KErrCancel.
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel EIADAsyncNotifyFlowControlStatus nothing" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_FLOW, "DISAKernelChannel::DoCancel EIADAsyncNotifyFlowControlStatus nothing" );
+
+ break;
+ }
+ case EIADAsyncNotifyConnectionStatus:
+ {
+ // Nothing to do. Just cancel with KErrCancel.
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel EIADAsyncNotifyConnectionStatus nothing" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_CONNSTATUS, "DISAKernelChannel::DoCancel EIADAsyncNotifyConnectionStatus nothing" );
+
+ break;
+ }
+ case EIADAsyncReceive:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel EIADAsyncReceive iPtrPtrToRxBuf 0x%x -> NULL" ), iPtrPtrToRxBuf ) );
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_RECEIVE, "DISAKernelChannel::DoCancel EIADAsyncDataReceive;iPtrPtrToRxBuf=%x", iPtrPtrToRxBuf );
+
+ iPtrPtrToRxBuf = NULL;
+ break;
+ }
+ case EIADAsyncDataReceive:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel EIADAsyncDataReceive iPtrPtrToDataRxBuf 0x%x -> NULL" ), iPtrPtrToDataRxBuf ) );
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_DATARECEIVE, "DISAKernelChannel::DoCancel EIADAsyncDataReceive;iPtrPtrToDataRxBuf=%x", iPtrPtrToDataRxBuf );
+ iPtrPtrToDataRxBuf = NULL;
+ break;
+ }
+ case EIADAsyncOpen:
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel EIADAsyncOpen nothing" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_OPEN, "DISAKernelChannel::DoCancel EIADAsyncOpen" );
+
+ ResetQueues();
+ Close( ~iChannelNumber );
+ break;
+ }
+ default:
+ {
+ ASSERT_RESET_ALWAYS( 0, EIADWrongRequest | EIADFaultIdentifier4 << KFaultIdentifierShift );
+ break;
+ }
+ }
+ CompleteChannelRequest( aMask&aRequest, KErrCancel );
+ }
+ else
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel nothing to cancel" ) ) );
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_IGNORE, "DISAKernelChannel::DoCancel nothing to cancel" );
+
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::DoCancel <-" ) ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_DOCANCEL_EXIT, "<DISAKernelChannel::DoCancel" );
+ }
+
+void DISAKernelChannel::ResetQueues(
+ // None
+ )
+ {
+ OstTraceExt1( TRACE_NORMAL, DISAKERNELCHANNEL_RESETQUEUES_ENTRY, ">DISAKernelChannel::ResetQueues;iChannelNumber=%hx", iChannelNumber );
+
+ // TODO: SSI cancel pending sending
+ C_TRACE( ( _T( "DISAKernelChannel::ResetQueues 0x%x ->" ), iChannelNumber ) );
+ if( iRx )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::ResetQueues 0x%x iRx 0x%x" ), iChannelNumber, iRx ) );
+ OstTraceExt2( TRACE_NORMAL, DISAKERNELCHANNEL_RESETQUEUES, "DISAKernelChannel::ResetQueues Rx;iChannelNumber=%hx;iRx=%x", iChannelNumber, (TUint)(iRx) );
+
+ while( iRx->Count() )
+ {
+ iExtensionApi->DeAllocateBlock( iRx->Get() );
+ }
+ }
+ if( iDataRx )
+ {
+ C_TRACE( ( _T( "DISAKernelChannel::ResetQueues 0x%x iDataRx 0x%x" ), iChannelNumber, iDataRx ) );
+ OstTrace1( TRACE_NORMAL, DISAKERNELCHANNEL_RESETQUEUES_DATA, "DISAKernelChannel::ResetQueues;iDataRx=%x", iDataRx );
+
+ while( iDataRx->Count() )
+ {
+ iExtensionApi->DeAllocateBlock( iDataRx->Get() );
+ }
+ }
+ C_TRACE( ( _T( "DISAKernelChannel::ResetQueues 0x%x <-" ), iChannelNumber ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_RESETQUEUES_EXIT, "<DISAKernelChannel::ResetQueues" );
+ }
+
+void DISAKernelChannel::Close(
+ const TUint16 aChannelId
+ )
+ {
+ OstTraceExt1( TRACE_NORMAL, DISAKERNELCHANNEL_CLOSE_ENTRY, ">DISAKernelChannel::Close;aChannelId=%hx", aChannelId );
+
+ C_TRACE( ( _T( "DISAKernelChannel::Close 0x%x 0x%x ->" ), iChannelNumber, aChannelId ) );
+ iExtensionApi->Close( aChannelId );
+ iChannelNumber = KNotInitializedChannel;
+ C_TRACE( ( _T( "DISAKernelChannel::Close 0x%x 0x%x <-" ), iChannelNumber, aChannelId ) );
+
+ OstTrace0( TRACE_NORMAL, DISAKERNELCHANNEL_CLOSE_EXIT, "<DISAKernelChannel::Close" );
+ }
+
+// End of file.
+