/*
* 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" );
}
//From objectapi
void DISAKernelChannel::Receive(
const TDesC8& aMessage
)
{
C_TRACE( ( _T( "DISAKernelChannel::Receive 0x%x ->" ), &aMessage ) );
ReceiveMsg( aMessage );
C_TRACE( ( _T( "DISAKernelChannel::Receive 0x%x <-" ), &aMessage ) );
}
// End of file.