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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <kern_priv.h> // For DMutex
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#include "p2puserchannel.h" // For DP2PUserChannel
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#include "msgqueue.h" // For DMsgQueue
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#include "p2proutertrace.h" // For C_TRACE, ASSERT_RESET.. and fault codes.
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#include "memapi.h" // MemApi
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#include "p2pdefs.h" // For EP2PAmountOfProtocols
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enum TP2PUserChannelFaults
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{
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EP2PUserChannelMemAllocFail = 0x00,
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EP2PUserChannelMemAllocFail1,
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EP2PUserChannelMemAllocFail2,
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EP2PUserChannelWrongRequest,
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EP2PUserChannelWrongRequest1,
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EP2PUserChannelWrongRequest2,
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EP2PUserChannelWrongRequest3,
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EP2PUserChannelWrongRequest4,
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EP2PUserChannelWrongRequest5,
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EP2PUserChannelWrongRequest6,
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EP2PUserChannelWrongRequest7,
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EP2PUserChannelWrongParam,
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EP2PUserChannelWrongParam2,
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EP2PUserChannelProtocolIdNotSpecified,
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EP2PUserChannelOverTheArrayLimits,
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EP2PUserChannelDesWriteFailed,
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EP2PUserChannelSameRequest,
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EP2PUserChannelSameRequest2,
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EP2PUserChannelNullParam,
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EP2PUserChannelNullParam2,
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EP2PUserChannelDesReadFailed,
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EP2PIUserChannelfNotThreadContext,
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EP2PIUserChannelfNotThreadContext2,
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EP2PIUserChannelfNotThreadContext3,
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EP2PIUserChannelfNotThreadContext4,
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EP2PIUserChannelfNotThreadContext5,
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EP2PUserChannelMutexCreateFailed,
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EP2PUserChannelMutexWaitFailed,
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EP2PUserChannelMutexWaitFailed2,
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EP2PUserChannelMutexWaitFailed3,
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EP2PUserChannelMutexWaitFailed4,
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EP2PUserChannelReqQueueOutOfSync,
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EP2PUserChannelReqQueueOutOfSync1,
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EP2PUserChannelReqQueueOutOfSync2,
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EP2PUserChannelReqQueueOutOfSync3,
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EP2PUserChannelReqQueueOutOfSync4,
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EP2PUserChannelReqQueueOutOfSync5,
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EP2PUserChannelReqQueueOutOfSync6,
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EP2PUserChannelReqQueueOutOfSync7,
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EP2PUserChannelReqQueueOverTheLimits,
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EP2PUserChannelReqQueueOverTheLimits2,
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EP2PUserChannelReqQueueWrongRequest,
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EP2PUserChannelReqQueueWrongRequest2,
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EP2PUserChannelReqQueueMemoryAllocFailure,
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EP2PUserChannelReqQueueCommon,
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};
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// Extracting and adding the pipeheader.
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const TInt KFirstParam( 0 );
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const TInt KSecondParam( 1 );
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const TInt KNoParams( KErrNone );
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const TInt KOneParam( 1 );
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const TInt KTwoParams( 2 );
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const TInt KThreeParams( 3 );
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const TInt KDestStartOffset( 0 );
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const TInt KP2PLddEmptyRxPriori( 1 );
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const TInt KP2PLddCompletePriori( 1 );
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const TInt KP2PMaximumSendSize( 0xffff );
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//DMutex* DP2PUserChannel::iShP2PProtocolIdMutex = NULL;
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_LIT8( KP2PUserChannelP2PProtocolIdMutex, "P2PUserChannelP2PProtocolIdMutex" );
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//
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// user<> kernel interaction() done in LDD DFC thread
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//
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// kernel<>kernel interaction() done in Extension DFC thread
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//
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// DEMAND_PAGING
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// Receive (write k>u) is done only in LDD thread context to allow Extension thread to continue when dp swaps.
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// Send ((write u>k) is not done at the moment in LDD thread context only. Check is it possible to happend (not to be in usable memory after send (unlikely?)).
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DP2PUserChannel::DP2PUserChannel(
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// None
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)
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:
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iShP2PProtocolId( EP2PAmountOfProtocols ),
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iReceiveBufPtr( NULL ),
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iRx( NULL ),
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iP2PReqQueue( NULL ),
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iThread( &Kern::CurrentThread() )
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{
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C_TRACE( ( _T( "DP2PUserChannel::DP2PUserChannel>" ) ) );
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iRouterIf = MP2PChRouterIf::GetIf();
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ASSERT_RESET_ALWAYS( iRouterIf, ( EP2PUserChannelMemAllocFail | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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iEmptyRxQueueDfc = new TDfc( EmptyRxQueueDfc, this, iRouterIf->GetDfcThread( MP2PChRouterIf::EP2PLddDfcThread ), KP2PLddEmptyRxPriori );
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iCompleteChannelRequestDfc = new TDfc( CompleteChReqDfc, this, iRouterIf->GetDfcThread( MP2PChRouterIf::EP2PLddDfcThread ), KP2PLddCompletePriori );
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iP2PReqQueue = new DP2PReqQueue();
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ASSERT_RESET_ALWAYS( iEmptyRxQueueDfc && iCompleteChannelRequestDfc && iP2PReqQueue, ( EP2PUserChannelMemAllocFail1 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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TInt err( Kern::MutexCreate( iShP2PProtocolIdMutex, KP2PUserChannelP2PProtocolIdMutex, KMutexOrdGeneral0 ) );
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ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EP2PUserChannelMutexCreateFailed | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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C_TRACE( ( _T( "DP2PUserChannel::DP2PUserChannel<" ) ) );
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}
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DP2PUserChannel::~DP2PUserChannel(
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// None
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)
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{
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x>" ), this, iShP2PProtocolId ) );
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// owned starts
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if( iEmptyRxQueueDfc )
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{
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x iEmptyRxQueueDfc 0x%x" ), this, iShP2PProtocolId, iEmptyRxQueueDfc ) );
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iEmptyRxQueueDfc->Cancel();
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delete iEmptyRxQueueDfc;
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iEmptyRxQueueDfc = NULL;
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}
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if( iCompleteChannelRequestDfc )
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{
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x iCompleteChannelRequestDfc 0x%x" ), this, iShP2PProtocolId, iCompleteChannelRequestDfc ) );
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iCompleteChannelRequestDfc->Cancel();
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delete iCompleteChannelRequestDfc;
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iCompleteChannelRequestDfc = NULL;
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}
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if( iRx )
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{
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x iRx 0x%x" ), this, iShP2PProtocolId, iRx ) );
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delete iRx;
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iRx = NULL;
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}
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if( iReceiveBufPtr )
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{
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x iReceiveBufPtr 0x%x" ), this, iShP2PProtocolId, iReceiveBufPtr ) );
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iReceiveBufPtr = NULL;
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}
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if( iP2PReqQueue )
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{
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x iP2PReqQueue 0x%x" ), this, iShP2PProtocolId, iP2PReqQueue ) );
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delete iP2PReqQueue;
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iP2PReqQueue = NULL;
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}
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// No need to check, if failed reseted already
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x iShP2PProtocolIdMutex 0x%x" ), this, iShP2PProtocolId, iShP2PProtocolIdMutex ) );
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iShP2PProtocolIdMutex->Close( NULL );
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// owned ends
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iRouterIf = NULL;
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Kern::SafeClose( reinterpret_cast<DObject*&>(iThread), NULL );
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C_TRACE( ( _T( "DP2PUserChannel::~DP2PUserChannel 0x%x 0x%x<" ), this, iShP2PProtocolId ) );
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}
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/*
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* Executed in user thread context thread inside CS, cannot be pre-empted.
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* Channel can not be used before creation, so no need to synch if congesting only btw the creating user thread and one thread.
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*/
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TInt DP2PUserChannel::DoCreate(
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TInt, //aUnit, // No need to use this, we can avoid the limit of 32 channels
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const TDesC8* anInfo, // Contains the protocolId
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const TVersion& // aVer // Not used at the moment.
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)
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{
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C_TRACE( ( _T( "DP2PUserChannel::DoCreate 0x%x 0x%x 0x%x>" ), this, iShP2PProtocolId, anInfo ) );
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if( !Kern::CurrentThreadHasCapability( ECapabilityCommDD, __PLATSEC_DIAGNOSTIC_STRING( "Check by: P2PRouter" ) ) ) return KErrPermissionDenied;
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TRACE_ASSERT_INFO( anInfo, EP2PUserChannelProtocolIdNotSpecified );
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// Check for channel number inside anInfo.
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TRACE_ASSERT_INFO( anInfo->Length() > 0, ( EP2PUserChannelOverTheArrayLimits | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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if( !anInfo || anInfo->Length() == 0 ) return KErrNotSupported;
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TUint8 protocolId = static_cast<TUint8>( ( *anInfo )[ 0 ] );
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TRACE_ASSERT_INFO( ( protocolId < EP2PAmountOfProtocols ), ( EP2PUserChannelWrongParam | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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if( protocolId >= EP2PAmountOfProtocols ) return KErrNotSupported;
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TInt err( Kern::MutexWait( *iShP2PProtocolIdMutex ) );
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ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EP2PUserChannelMutexWaitFailed | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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// If channel is already used for some protocol.
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if( iShP2PProtocolId != EP2PAmountOfProtocols )
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{
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Kern::MutexSignal( *iShP2PProtocolIdMutex );
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return KErrAlreadyExists;
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}
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iShP2PProtocolId = ~protocolId;
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Kern::MutexSignal( *iShP2PProtocolIdMutex );
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C_TRACE( ( _T( "DP2PUserChannel::DoCreate protocolId 0x%x 0x%x" ), this, iShP2PProtocolId ) );
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iRx = new DMsgQueue( KP2PLddRxQueuSize );
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ASSERT_RESET_ALWAYS( iRx, ( EP2PUserChannelMemAllocFail2 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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// Other DFC functions handling user<>kernel copying done in ldd DFC. Ldd DFC function priority is 1.
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SetDfcQ( iRouterIf->GetDfcThread( MP2PChRouterIf::EP2PDfcThread ) );
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iMsgQ.Receive();
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DObject* thread = reinterpret_cast<DObject*>( iThread );
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// Open is needed to increase ref count to calling thread that is decreased in Kern::SafeClose
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// Possible returns KErrNone ? KErrGeneral
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TInt threadOpen( thread->Open() );
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TRACE_ASSERT_INFO( threadOpen == KErrNone, (TUint8)iShP2PProtocolId );
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C_TRACE( ( _T( "DP2PUserChannel::DoCreate 0x%x 0x%x %d<" ), this, iShP2PProtocolId, threadOpen ) );
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return threadOpen;
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}
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void DP2PUserChannel::HandleMsg(
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TMessageBase* aMsg
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)
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{
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C_TRACE( ( _T( "DP2PUserChannel::HandleMsg 0x%x 0x%x 0x%x>" ), this, iShP2PProtocolId, aMsg ) );
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TThreadMessage& m= *( static_cast< TThreadMessage* >( aMsg ) );
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TInt id( m.iValue );
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if( static_cast<TInt>( ECloseMsg ) == id )
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{
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C_TRACE( ( _T( "DP2PUserChannel::HandleMsg ECloseMsg 0x%x 0x%x 0x%x" ), this, iShP2PProtocolId, aMsg ) );
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m.Complete( HandleSyncRequest( EP2PClose, NULL ), EFalse );
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}
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else if( KMaxTInt == id )
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{
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C_TRACE( ( _T( "DP2PUserChannel::HandleMsg cancel 0x%x 0x%x 0x%x" ), this, iShP2PProtocolId, aMsg ) );
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DoCancel( id, m.Int0() );
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m.Complete( KErrNone, ETrue );
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}
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else
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{
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ASSERT_RESET_ALWAYS( ( KErrNotFound < id ), ( EP2PUserChannelWrongRequest | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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C_TRACE( ( _T( "DP2PUserChannel::HandleMsg request 0x%x 0x%x %d 0x%x" ), this, iShP2PProtocolId, id, aMsg ) );
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TInt completeValue( KErrNone );
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TInt ulen( KErrNotFound );
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switch ( id )
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{
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case EP2PClose:
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{
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ulen = KNoParams;
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break;
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}
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case EP2PSend:
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case EP2PAsyncConnectionLost:
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{
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ulen = KOneParam;
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break;
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}
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case EP2PAsyncOpen:
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case EP2PAsyncReceive:
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{
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ulen = KTwoParams;
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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, ( EP2PUserChannelWrongRequest1 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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break;
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}
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}
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TUint32* table[ KThreeParams ];
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completeValue = Kern::ThreadRawRead( iThread, m.Ptr0(), table, ulen * sizeof( TAny* ) );
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if( completeValue == KErrNone )
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{
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switch( id )
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{
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// All asynchronous requests.
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case EP2PAsyncOpen:
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case EP2PAsyncReceive:
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case EP2PAsyncConnectionLost:
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{
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// No need to check return value in async functions, completed to user
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HandleAsyncRequest( id, table );
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break;
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}
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case EP2PClose:
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case EP2PSend:
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{
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completeValue = HandleSyncRequest( id, table );
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break;
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}
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default:
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{
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ASSERT_RESET_ALWAYS( 0, ( EP2PUserChannelWrongRequest2 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
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break;
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}
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}
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}
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m.Complete( completeValue, ETrue );
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}
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C_TRACE( ( _T( "DP2PUserChannel::HandleMsg 0x%x 0x%x 0x%x<" ), this, iShP2PProtocolId, aMsg ) );
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}
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TInt DP2PUserChannel::Request(
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TInt aReqNo,
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TAny* a1,
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TAny* //a2
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)
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{
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|
|
310 |
|
|
|
311 |
C_TRACE( ( _T( "DP2PUserChannel::Request 0x%x 0x%x %d 0x%x>" ), this, iShP2PProtocolId, aReqNo, a1 ) );
|
|
|
312 |
// Programmer errors.
|
|
|
313 |
ASSERT_RESET_ALWAYS( aReqNo >= ( TInt ) EMinRequestId, ( EP2PUserChannelWrongRequest3 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
314 |
ASSERT_RESET_ALWAYS( ( aReqNo <= EP2PLastAsyncRequest || aReqNo == KMaxTInt ), ( EP2PUserChannelWrongRequest4 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
315 |
// Wrong API usage e.g. called function when interface is not open so panic the client thread.
|
|
|
316 |
ASSERT_PANIC_USER_THREAD_ALWAYS( ( iShP2PProtocolId < EP2PAmountOfProtocols || EP2PAsyncOpen == aReqNo ), iThread, ( EP2PUserChannelWrongParam2 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
317 |
TInt result( KErrNotFound );
|
|
|
318 |
// All request go in kernel context and with ::DoControl call.
|
|
|
319 |
TThreadMessage& m=Kern::Message();
|
|
|
320 |
m.iValue = aReqNo;
|
|
|
321 |
m.iArg[ KFirstParam ] = a1;
|
|
|
322 |
m.iArg[ KSecondParam ] = NULL;
|
|
|
323 |
result = m.SendReceive( &iMsgQ );
|
|
|
324 |
C_TRACE( ( _T( "DP2PUserChannel::Request 0x%x 0x%x %d 0x%x %d<" ), this, iShP2PProtocolId, aReqNo, a1, result ) );
|
|
|
325 |
return result;
|
|
|
326 |
|
|
|
327 |
}
|
|
|
328 |
|
|
|
329 |
///// Functions from MChannelCallback start (from extension binary)
|
|
|
330 |
// called in router ext context
|
|
|
331 |
void DP2PUserChannel::ConnectionLost()
|
|
|
332 |
{
|
|
|
333 |
|
|
|
334 |
C_TRACE( ( _T( "DP2PKernelChannel::ConnectionLost 0x%x 0x%x %d %d 0x%x>" ), this, iShP2PProtocolId ) );
|
|
|
335 |
EnqueChannelRequestCompleteDfc( EP2PAsyncConnectionLost, KErrNotReady );
|
|
|
336 |
ResetQueues();
|
|
|
337 |
//Closing();
|
|
|
338 |
C_TRACE( ( _T( "DP2PKernelChannel::ConnectionLost 0x%x 0x%x %d %d 0x%x<" ), this, iShP2PProtocolId ) );
|
|
|
339 |
|
|
|
340 |
}
|
|
|
341 |
|
|
|
342 |
// called in router ext context
|
|
|
343 |
void DP2PUserChannel::EnqueChannelRequestCompleteDfc(
|
|
|
344 |
TInt aRequest,
|
|
|
345 |
TInt aStatusToComplete
|
|
|
346 |
)
|
|
|
347 |
{
|
|
|
348 |
|
|
|
349 |
C_TRACE( ( _T( "DP2PUserChannel::EnqueChannelRequestCompleteDfc 0x%x 0x%x %d %d>" ), this, iShP2PProtocolId, aRequest, aStatusToComplete ) );
|
|
|
350 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PIUserChannelfNotThreadContext | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
351 |
TP2PReq req( static_cast<TP2PAsyncRequest>( aRequest ), aStatusToComplete );
|
|
|
352 |
if( iP2PReqQueue->Add( req ) )
|
|
|
353 |
{
|
|
|
354 |
TRACE_ASSERT_INFO( !iCompleteChannelRequestDfc->Queued(), (TUint8)iShP2PProtocolId << KProtocolIdShift | (TUint16)aRequest );
|
|
|
355 |
iCompleteChannelRequestDfc->Enque();
|
|
|
356 |
}
|
|
|
357 |
C_TRACE( ( _T( "DP2PUserChannel::EnqueChannelRequestCompleteDfc 0x%x 0x%x %d %d<" ), this, iShP2PProtocolId, aRequest, aStatusToComplete ) );
|
|
|
358 |
|
|
|
359 |
}
|
|
|
360 |
|
|
|
361 |
// This is called in 1...N thread contextes
|
|
|
362 |
void DP2PUserChannel::ReceiveMsg(
|
|
|
363 |
const TDesC8& aMessage
|
|
|
364 |
)
|
|
|
365 |
{
|
|
|
366 |
|
|
|
367 |
C_TRACE( ( _T( "DP2PUserChannel::ReceiveMsg 0x%x 0x%x 0x%x>" ), this, iShP2PProtocolId, &aMessage ) );
|
|
|
368 |
// Can only be called from thread context.
|
|
|
369 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PIUserChannelfNotThreadContext3 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
370 |
iRx->Add( aMessage );
|
|
|
371 |
iEmptyRxQueueDfc->Enque();
|
|
|
372 |
C_TRACE( ( _T( "DP2PUserChannel::ReceiveMsg 0x%x 0x%x 0x%x<" ), this, iShP2PProtocolId, &aMessage ) );
|
|
|
373 |
|
|
|
374 |
}
|
|
|
375 |
|
|
|
376 |
|
|
|
377 |
///// Functions from MChannelCallback end (from extension binary)
|
|
|
378 |
|
|
|
379 |
// Run in P2P extension kernel thread context.
|
|
|
380 |
void DP2PUserChannel::Close(
|
|
|
381 |
const TUint8 aP2PProtocolId
|
|
|
382 |
)
|
|
|
383 |
{
|
|
|
384 |
|
|
|
385 |
C_TRACE( ( _T( "DP2PUserChannel::Close 0x%x 0x%x 0x%x>" ), this, iShP2PProtocolId, aP2PProtocolId ) );
|
|
|
386 |
if( EP2PAmountOfProtocols != iShP2PProtocolId )
|
|
|
387 |
{
|
|
|
388 |
C_TRACE( ( _T( "DP2PKernelChannel::Close closing 0x%x 0x%x>" ), iShP2PProtocolId, aP2PProtocolId ) );
|
|
|
389 |
iRouterIf->Close( aP2PProtocolId );
|
|
|
390 |
}
|
|
|
391 |
iShP2PProtocolId = EP2PAmountOfProtocols;
|
|
|
392 |
C_TRACE( ( _T( "DP2PUserChannel::Close 0x%x 0x%x 0x%x<" ), this, iShP2PProtocolId, aP2PProtocolId ) );
|
|
|
393 |
|
|
|
394 |
}
|
|
|
395 |
|
|
|
396 |
void DP2PUserChannel::Closing(
|
|
|
397 |
// None
|
|
|
398 |
)
|
|
|
399 |
{
|
|
|
400 |
|
|
|
401 |
C_TRACE( ( _T( "DP2PUserChannel::Closing 0x%x 0x%x 0x%x>" ), this, iShP2PProtocolId ) );
|
|
|
402 |
ResetQueues();
|
|
|
403 |
TInt err( Kern::MutexWait( *iShP2PProtocolIdMutex ) );
|
|
|
404 |
ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EP2PUserChannelMutexWaitFailed2 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
405 |
if( EP2PAmountOfProtocols != iShP2PProtocolId )
|
|
|
406 |
{
|
|
|
407 |
// Cancel any outstanding request. // remember in asynch close not to close it asynhronously
|
|
|
408 |
for( TInt i( 0 ); i < EP2PLastAsyncRequest; ++i )
|
|
|
409 |
{
|
|
|
410 |
if( iP2PReqQueue->GetReq( static_cast< TP2PAsyncRequest >( i ) ) )
|
|
|
411 |
{
|
|
|
412 |
C_TRACE( ( _T( "DP2PUserChannel::Closing 0x%x 0x%x EP2PClose req to cancel" ), this, iShP2PProtocolId, i ) );
|
|
|
413 |
DoCancel( KMaxTInt, i );
|
|
|
414 |
}
|
|
|
415 |
}
|
|
|
416 |
Close( iShP2PProtocolId );
|
|
|
417 |
}
|
|
|
418 |
Kern::MutexSignal( *iShP2PProtocolIdMutex );
|
|
|
419 |
C_TRACE( ( _T( "DP2PUserChannel::Closing 0x%x 0x%x 0x%x<" ), this, iShP2PProtocolId ) );
|
|
|
420 |
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
// Run in P2P user channel kernel thread context.
|
|
|
424 |
void DP2PUserChannel::CompleteChReqDfc(
|
|
|
425 |
TAny* aPtr
|
|
|
426 |
)
|
|
|
427 |
{
|
|
|
428 |
|
|
|
429 |
C_TRACE( ( _T( "DP2PUserChannel::CompleteChReqDfc>" ) ) );
|
|
|
430 |
// Make sure that user side is accessed only by ldd DFCThread.
|
|
|
431 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PIUserChannelfNotThreadContext2 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
432 |
//TODO ASSERT_DFCTHREAD_INLDD();
|
|
|
433 |
DP2PUserChannel* chPtr = reinterpret_cast<DP2PUserChannel*>( aPtr );
|
|
|
434 |
C_TRACE( ( _T( "DP2PUserChannel::CompleteChReqDfc 0x%x 0x%x" ), chPtr, chPtr->iShP2PProtocolId ) );
|
|
|
435 |
TP2PReq requ = chPtr->iP2PReqQueue->Get();
|
|
|
436 |
if( EP2PAsyncOpen == requ.iRequest )
|
|
|
437 |
{
|
|
|
438 |
C_TRACE( ( _T( "DP2PUserChannel::CompleteChReqDfc 0x%x 0x%x status %d" ), chPtr, chPtr->iShP2PProtocolId, requ.iCompleteStatus ) );
|
|
|
439 |
// Check of KErrNone and KErrInUse (same object same id open) and in only those cases ~iCh = ~~iCh kernel already has.
|
|
|
440 |
TInt err( Kern::MutexWait( *chPtr->iShP2PProtocolIdMutex ) );
|
|
|
441 |
ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EP2PUserChannelMutexWaitFailed3 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
442 |
TUint8 chNumber( ( KErrNone == requ.iCompleteStatus || KErrInUse == requ.iCompleteStatus ? ~chPtr->iShP2PProtocolId : EP2PAmountOfProtocols ) );
|
|
|
443 |
chPtr->iShP2PProtocolId = chNumber;
|
|
|
444 |
Kern::MutexSignal( *chPtr->iShP2PProtocolIdMutex );
|
|
|
445 |
}
|
|
|
446 |
TRequestStatus* status( chPtr->iP2PReqQueue->GetReq( requ.iRequest ) );
|
|
|
447 |
Kern::RequestComplete( chPtr->iThread, status, requ.iCompleteStatus );
|
|
|
448 |
C_TRACE( ( _T( "DP2PUserChannel::CompleteChReqDfc 0x%x 0x%x req %d status %d" ), chPtr, chPtr->iShP2PProtocolId, requ.iRequest, requ.iCompleteStatus ) );
|
|
|
449 |
chPtr->iP2PReqQueue->SetReq( requ.iRequest, NULL );
|
|
|
450 |
if( !chPtr->iP2PReqQueue->Empty() )
|
|
|
451 |
{
|
|
|
452 |
CompleteChReqDfc( chPtr );
|
|
|
453 |
}
|
|
|
454 |
C_TRACE( ( _T( "DP2PUserChannel::CompleteChReqDfc 0x%x 0x%x<" ), chPtr, chPtr->iShP2PProtocolId ) );
|
|
|
455 |
|
|
|
456 |
}
|
|
|
457 |
|
|
|
458 |
void DP2PUserChannel::EmptyRxQueueDfc(
|
|
|
459 |
TAny* aPtr // Pointer to self
|
|
|
460 |
)
|
|
|
461 |
{
|
|
|
462 |
|
|
|
463 |
// TODO ASSERT_DFCTHREAD_INLDD();
|
|
|
464 |
DP2PUserChannel& chTmp = *reinterpret_cast<DP2PUserChannel*>( aPtr );
|
|
|
465 |
C_TRACE( ( _T( "DP2PUserChannel::EmptyRxQueueDfc 0x%x 0x%x>" ), &chTmp, chTmp.iShP2PProtocolId ) );
|
|
|
466 |
if( ( chTmp.iP2PReqQueue->GetReq( EP2PAsyncReceive ) ) && ( chTmp.iRx->Count() > 0 ) )
|
|
|
467 |
{
|
|
|
468 |
TDes8& tmpDes = chTmp.iRx->Get();
|
|
|
469 |
// Write to user address space (iReceiveBufPtr) the content of tmpDes starting from zero offset as 8bit descriptor data.
|
|
|
470 |
TInt writeError( Kern::ThreadDesWrite( chTmp.iThread, chTmp.iReceiveBufPtr, tmpDes, KDestStartOffset, KChunkShiftBy0, chTmp.iThread ) );
|
|
|
471 |
TRACE_ASSERT_INFO( writeError == KErrNone, ( chTmp.iShP2PProtocolId | writeError << KClassIdentifierShift ) );
|
|
|
472 |
C_TRACE( ( _T( "DP2PUserChannel::EmptyRxQueueDfc writing 0x%x k>u 0x%x 0x%x writeError %d length %d" ), &tmpDes, chTmp.iReceiveBufPtr, chTmp.iShP2PProtocolId, writeError, tmpDes.Length() ) );
|
|
|
473 |
TP2PReq req( static_cast<TP2PAsyncRequest>( EP2PAsyncReceive ), writeError );
|
|
|
474 |
if( chTmp.iP2PReqQueue->Add( req ) )
|
|
|
475 |
{
|
|
|
476 |
TRACE_ASSERT( !chTmp.iCompleteChannelRequestDfc->Queued() );
|
|
|
477 |
CompleteChReqDfc( &chTmp );
|
|
|
478 |
}
|
|
|
479 |
MemApi::DeallocBlock( tmpDes );
|
|
|
480 |
}
|
|
|
481 |
else
|
|
|
482 |
{
|
|
|
483 |
C_TRACE( ( _T( "DP2PUserChannel::EmptyRxQueueDfc 0x%x 0x%x rx inactive or no message" ), &chTmp, chTmp.iShP2PProtocolId ) );
|
|
|
484 |
}
|
|
|
485 |
C_TRACE( ( _T( "DP2PUserChannel::EmptyRxQueueDfc 0x%x 0x%x<" ), &chTmp, chTmp.iShP2PProtocolId ) );
|
|
|
486 |
|
|
|
487 |
}
|
|
|
488 |
|
|
|
489 |
|
|
|
490 |
void DP2PUserChannel::ResetQueues(
|
|
|
491 |
// None
|
|
|
492 |
)
|
|
|
493 |
{
|
|
|
494 |
|
|
|
495 |
C_TRACE( ( _T( "DP2PUserChannel::ResetQueues 0x%x 0x%x>" ), this, iShP2PProtocolId ) );
|
|
|
496 |
if( iRx )
|
|
|
497 |
{
|
|
|
498 |
C_TRACE( ( _T( "DP2PUserChannel::ResetQueues 0x%x 0x%x iRx 0x%x" ), this, iShP2PProtocolId, iRx ) );
|
|
|
499 |
while( iRx->Count() )
|
|
|
500 |
{
|
|
|
501 |
MemApi::DeallocBlock( iRx->Get() );
|
|
|
502 |
}
|
|
|
503 |
}
|
|
|
504 |
C_TRACE( ( _T( "DP2PUserChannel::ResetQueues 0x%x 0x%x<" ), this, iShP2PProtocolId ) );
|
|
|
505 |
|
|
|
506 |
}
|
|
|
507 |
|
|
|
508 |
void DP2PUserChannel::HandleAsyncRequest(
|
|
|
509 |
TInt aRequest,
|
|
|
510 |
TAny* a1
|
|
|
511 |
)
|
|
|
512 |
{
|
|
|
513 |
|
|
|
514 |
C_TRACE( ( _T( "DP2PUserChannel::HandleAsyncRequest 0x%x 0x%x %d>" ), this, iShP2PProtocolId, aRequest ) );
|
|
|
515 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PIUserChannelfNotThreadContext4 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
516 |
TUint32* tablePtr = reinterpret_cast<TUint32*>( a1 );
|
|
|
517 |
TRACE_ASSERT_INFO( tablePtr[ KFirstParam ], (TUint16)aRequest );
|
|
|
518 |
TRequestStatus* requestStatus = reinterpret_cast<TRequestStatus*>( tablePtr[ KFirstParam ] );
|
|
|
519 |
// If request already active.
|
|
|
520 |
if( ( iP2PReqQueue->GetReq( static_cast<TP2PAsyncRequest>( aRequest ) ) ) )
|
|
|
521 |
{
|
|
|
522 |
// Fault if request is already pending and the request status pointer is different.
|
|
|
523 |
// Fault prints 0-7bits: request, 8-15bits: ch number, 16-31bits: fault identifier
|
|
|
524 |
// Assert cause request already active.
|
|
|
525 |
TRACE_ASSERT_INFO( 0, ( EP2PUserChannelSameRequest | static_cast<TUint8>( iShP2PProtocolId ) << KProtocolIdShift | static_cast<TUint8>( aRequest ) << KExtraInfoShift ) );
|
|
|
526 |
// Active object should not give same request object twice before completing the first one.
|
|
|
527 |
ASSERT_PANIC_USER_THREAD_ALWAYS( iP2PReqQueue->GetReq( static_cast< TP2PAsyncRequest >( aRequest ) ) == requestStatus, iThread,
|
|
|
528 |
( EP2PUserChannelSameRequest2 | static_cast<TUint8>( iShP2PProtocolId ) << KProtocolIdShift | static_cast<TUint8>( aRequest ) << KExtraInfoShift ) );
|
|
|
529 |
}
|
|
|
530 |
else
|
|
|
531 |
{
|
|
|
532 |
iP2PReqQueue->SetReq( static_cast<TP2PAsyncRequest>( aRequest ), requestStatus );
|
|
|
533 |
switch ( aRequest )
|
|
|
534 |
{
|
|
|
535 |
case EP2PAsyncOpen:
|
|
|
536 |
{
|
|
|
537 |
C_TRACE( ( _T( "DP2PUserChannel::HandleAsyncRequest 0x%x 0x%x EP2PAsyncOpen" ), this, iShP2PProtocolId ) );
|
|
|
538 |
// Set open to pending to router, router completes it when the interconnection to other point is ready.
|
|
|
539 |
iRouterIf->Open( ~iShP2PProtocolId, this );
|
|
|
540 |
break;
|
|
|
541 |
}
|
|
|
542 |
case EP2PAsyncReceive:
|
|
|
543 |
{
|
|
|
544 |
iReceiveBufPtr = reinterpret_cast<TAny*>( tablePtr[ KSecondParam ] );
|
|
|
545 |
C_TRACE( ( _T( "DP2PUserChannel::HandleAsyncRequest 0x%x 0x%x EP2PAsyncReceive 0x%x" ), this, iShP2PProtocolId, iReceiveBufPtr ) );
|
|
|
546 |
iEmptyRxQueueDfc->Enque();
|
|
|
547 |
break;
|
|
|
548 |
}
|
|
|
549 |
case EP2PAsyncConnectionLost:
|
|
|
550 |
{
|
|
|
551 |
C_TRACE( ( _T( "DP2PUserChannel::HandleAsyncRequest 0x%x 0x%x EP2PAsyncConnectionLost" ), this, iShP2PProtocolId ) );
|
|
|
552 |
// If the connection is already lost when function is called return immediately.
|
|
|
553 |
// This might happend in between calls to ::Open and ::NotifyClose
|
|
|
554 |
if( !iRouterIf->ConnectionExist( iShP2PProtocolId ) )
|
|
|
555 |
{
|
|
|
556 |
EnqueChannelRequestCompleteDfc( EP2PAsyncConnectionLost, KErrNotReady );
|
|
|
557 |
ResetQueues();
|
|
|
558 |
//Closing( iP2PProtocolId );
|
|
|
559 |
}
|
|
|
560 |
break;
|
|
|
561 |
}
|
|
|
562 |
default:
|
|
|
563 |
{
|
|
|
564 |
ASSERT_RESET_ALWAYS( 0, ( EP2PUserChannelWrongRequest5 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
565 |
break;
|
|
|
566 |
}
|
|
|
567 |
}
|
|
|
568 |
}
|
|
|
569 |
C_TRACE( ( _T( "DP2PUserChannel::HandleAsyncRequest 0x%x 0x%x %d<" ), this, iShP2PProtocolId, aRequest ) );
|
|
|
570 |
|
|
|
571 |
}
|
|
|
572 |
|
|
|
573 |
TInt DP2PUserChannel::HandleSyncRequest(
|
|
|
574 |
TInt aRequest,
|
|
|
575 |
TAny* a1
|
|
|
576 |
)
|
|
|
577 |
{
|
|
|
578 |
|
|
|
579 |
C_TRACE( ( _T( "DP2PUserChannel::HandleSyncRequest 0x%x 0x%x %d>" ), this, iShP2PProtocolId, aRequest ) );
|
|
|
580 |
ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PIUserChannelfNotThreadContext5 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
581 |
TInt error( KErrNotSupported );
|
|
|
582 |
switch( aRequest )
|
|
|
583 |
{
|
|
|
584 |
case EP2PClose:
|
|
|
585 |
{
|
|
|
586 |
C_TRACE( ( _T( "DP2PUserChannel::HandleSyncRequest 0x%x 0x%x EP2PClose" ), this, iShP2PProtocolId ) );
|
|
|
587 |
Closing();
|
|
|
588 |
error = KErrNone;
|
|
|
589 |
break;
|
|
|
590 |
}
|
|
|
591 |
case EP2PSend:
|
|
|
592 |
{
|
|
|
593 |
C_TRACE( ( _T( "DP2PUserChannel::HandleSyncRequest 0x%x 0x%x EP2PSend" ), this, iShP2PProtocolId ) );
|
|
|
594 |
TUint32* tablePtr = reinterpret_cast<TUint32*>( a1 );
|
|
|
595 |
TAny* firstParam = reinterpret_cast<TAny*>( tablePtr[ KFirstParam ] );
|
|
|
596 |
TRACE_ASSERT_INFO( firstParam, ( (TUint8)iShP2PProtocolId << KProtocolIdShift | ( EP2PUserChannelNullParam2 | EDP2PUserChannelTraceId << KClassIdentifierShift ) ) );
|
|
|
597 |
TInt msgLength( Kern::ThreadGetDesLength( iThread, firstParam ) );
|
|
|
598 |
C_TRACE( ( _T( "DP2PUserChannel::HandleSyncRequest 0x%x 0x%x EP2PSend 0x%x %d" ), this, iShP2PProtocolId, firstParam, msgLength ) );
|
|
|
599 |
if( msgLength > 0 && msgLength < KP2PMaximumSendSize )
|
|
|
600 |
{
|
|
|
601 |
TDes8& sendBlock = MemApi::AllocBlock( msgLength );
|
|
|
602 |
ASSERT_RESET_ALWAYS( KErrNone == Kern::ThreadDesRead( iThread, firstParam, sendBlock, 0, KChunkShiftBy0 ), ( EP2PUserChannelDesReadFailed | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
603 |
TRACE_ASSERT_INFO( sendBlock.Length() == msgLength, (TUint8)iShP2PProtocolId << KProtocolIdShift );
|
|
|
604 |
C_TRACE( ( _T( "DP2PUserChannel::HandleAsyncRequest EP2PAsyncSend 0x%x 0x%x 0x%x" ), this, iShP2PProtocolId, &sendBlock ) );
|
|
|
605 |
error = iRouterIf->Send( sendBlock, iShP2PProtocolId );
|
|
|
606 |
}
|
|
|
607 |
else
|
|
|
608 |
{
|
|
|
609 |
error = ( msgLength > KP2PMaximumSendSize ) ? KErrNoMemory : KErrBadDescriptor;
|
|
|
610 |
TRACE_ASSERT_INFO( 0, (TUint8)iShP2PProtocolId << KProtocolIdShift | (TUint16)msgLength );
|
|
|
611 |
}
|
|
|
612 |
break;
|
|
|
613 |
}
|
|
|
614 |
default:
|
|
|
615 |
{
|
|
|
616 |
ASSERT_RESET_ALWAYS( 0, ( EP2PUserChannelWrongRequest6 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
617 |
break;
|
|
|
618 |
}
|
|
|
619 |
}
|
|
|
620 |
C_TRACE( ( _T( "DP2PUserChannel::HandleSyncRequest 0x%x 0x%x %d ret %d<" ), this, iShP2PProtocolId, aRequest, error ) );
|
|
|
621 |
return error;
|
|
|
622 |
|
|
|
623 |
}
|
|
|
624 |
|
|
|
625 |
void DP2PUserChannel::DoCancel(
|
|
|
626 |
TInt aRequest,
|
|
|
627 |
TInt aMask )
|
|
|
628 |
{
|
|
|
629 |
|
|
|
630 |
C_TRACE( ( _T( "DP2PUserChannel::DoCancel 0x%x 0x%x>" ), this, iShP2PProtocolId ) );
|
|
|
631 |
switch( aMask&aRequest )
|
|
|
632 |
{
|
|
|
633 |
case EP2PAsyncReceive:
|
|
|
634 |
{
|
|
|
635 |
C_TRACE( ( _T( "DP2PUserChannel::DoCancel 0x%x 0x%x EP2PAsyncReceive 0x%x " ), this, iShP2PProtocolId, iReceiveBufPtr ) );
|
|
|
636 |
iReceiveBufPtr = NULL;
|
|
|
637 |
break;
|
|
|
638 |
}
|
|
|
639 |
case EP2PAsyncOpen:
|
|
|
640 |
{
|
|
|
641 |
// Just complete with cancel
|
|
|
642 |
C_TRACE( ( _T( "DP2PUserChannel::DoCancel 0x%x 0x%x EP2PAsyncOpen" ), this, iShP2PProtocolId ) );
|
|
|
643 |
TInt err( Kern::MutexWait( *iShP2PProtocolIdMutex ) );
|
|
|
644 |
ASSERT_RESET_ALWAYS( ( KErrNone == err ), ( EP2PUserChannelMutexWaitFailed4 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
645 |
Close( ~iShP2PProtocolId );
|
|
|
646 |
Kern::MutexSignal( *iShP2PProtocolIdMutex );
|
|
|
647 |
break;
|
|
|
648 |
}
|
|
|
649 |
default:
|
|
|
650 |
{
|
|
|
651 |
ASSERT_RESET_ALWAYS( 0, ( EP2PUserChannelWrongRequest7 | EDP2PUserChannelTraceId << KClassIdentifierShift ) );
|
|
|
652 |
break;
|
|
|
653 |
}
|
|
|
654 |
}
|
|
|
655 |
EnqueChannelRequestCompleteDfc( aMask&aRequest, KErrCancel );
|
|
|
656 |
C_TRACE( ( _T( "DP2PUserChannel::DoCancel 0x%x 0x%x<" ), this, iShP2PProtocolId ) );
|
|
|
657 |
|
|
|
658 |
}
|
|
|
659 |
|
|
|
660 |
// Internal class start
|
|
|
661 |
DP2PUserChannel::TP2PReq::TP2PReq()
|
|
|
662 |
:iRequest( EP2PLastAsyncRequest ), iCompleteStatus( KRequestPending )
|
|
|
663 |
{
|
|
|
664 |
}
|
|
|
665 |
|
|
|
666 |
DP2PUserChannel::TP2PReq::TP2PReq( TP2PAsyncRequest aReq, TInt aStat )
|
|
|
667 |
:iRequest( aReq), iCompleteStatus( aStat )
|
|
|
668 |
{
|
|
|
669 |
ASSERT_RESET_ALWAYS( iRequest != EP2PLastAsyncRequest, ( EP2PUserChannelReqQueueOutOfSync | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
670 |
ASSERT_RESET_ALWAYS( iCompleteStatus != KRequestPending, ( EP2PUserChannelReqQueueOutOfSync1 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
671 |
}
|
|
|
672 |
|
|
|
673 |
DP2PUserChannel::DP2PReqQueue::DP2PReqQueue()
|
|
|
674 |
{
|
|
|
675 |
C_TRACE( ( _T( "DP2PReqQueue::DP2PReqQueue 0x%x %d>" ), this ) );
|
|
|
676 |
iQueueMutex = new NFastMutex();
|
|
|
677 |
ASSERT_RESET_ALWAYS( iQueueMutex, ( EP2PUserChannelReqQueueMemoryAllocFailure | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
678 |
iSize = EP2PLastAsyncRequest;
|
|
|
679 |
ASSERT_RESET_ALWAYS( ( iSize > 0 ), ( EP2PUserChannelReqQueueOutOfSync2 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
680 |
iShInputIndex = 0;
|
|
|
681 |
iShOutputIndex = 0;
|
|
|
682 |
iShCount = 0;
|
|
|
683 |
for( TInt i( 0 ); i < iSize; ++i )
|
|
|
684 |
{
|
|
|
685 |
iShReqRingBuffer[ i ].iRequest = EP2PLastAsyncRequest;
|
|
|
686 |
iShReqRingBuffer[ i ].iCompleteStatus = KRequestPending;
|
|
|
687 |
iShReqList[ i ] = NULL;
|
|
|
688 |
}
|
|
|
689 |
C_TRACE( ( _T( "DP2PReqQueue::DP2PReqQueue 0x%x<" ), this ) );
|
|
|
690 |
}
|
|
|
691 |
|
|
|
692 |
DP2PUserChannel::DP2PReqQueue::~DP2PReqQueue()
|
|
|
693 |
{
|
|
|
694 |
C_TRACE( ( _T( "DP2PReqQueue::~DP2PReqQueue 0x%x %d>" ), this, iShCount ) );
|
|
|
695 |
// NOTE! This don't deallocate the blocks from the allocated memory just the pointers!
|
|
|
696 |
ASSERT_RESET_ALWAYS( iShCount == 0, ( EP2PUserChannelReqQueueOutOfSync3 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
697 |
for( TInt i( 0 ); i < iSize; ++i )
|
|
|
698 |
{
|
|
|
699 |
iShReqRingBuffer[ i ].iRequest = EP2PLastAsyncRequest;
|
|
|
700 |
iShReqRingBuffer[ i ].iCompleteStatus = KRequestPending;
|
|
|
701 |
iShReqList[ i ] = NULL;
|
|
|
702 |
}
|
|
|
703 |
iSize = 0;
|
|
|
704 |
iShInputIndex = 0;
|
|
|
705 |
iShOutputIndex = 0;
|
|
|
706 |
iShCount = 0;
|
|
|
707 |
if( iQueueMutex )
|
|
|
708 |
{
|
|
|
709 |
C_TRACE( ( _T( "DP2PReqQueue::~DP2PReqQueue iQueueMutex" ) ) );
|
|
|
710 |
delete iQueueMutex;
|
|
|
711 |
iQueueMutex = NULL;
|
|
|
712 |
}
|
|
|
713 |
C_TRACE( ( _T( "DP2PReqQueue::~DP2PReqQueue 0x%x<" ), this ) );
|
|
|
714 |
}
|
|
|
715 |
|
|
|
716 |
/*
|
|
|
717 |
* In case of queue overflow throw kern::fault
|
|
|
718 |
*/
|
|
|
719 |
TBool DP2PUserChannel::DP2PReqQueue::Add( TP2PReq aReq )
|
|
|
720 |
{
|
|
|
721 |
C_TRACE( ( _T( "DP2PReqQueue::Add 0x%x %d %d %d %d>" ), this, iSize, iShCount, iShInputIndex, iShOutputIndex ) );
|
|
|
722 |
TBool ok( EFalse );
|
|
|
723 |
NKern::FMWait( iQueueMutex );
|
|
|
724 |
// If queue get's overfilled throw kernel fault.
|
|
|
725 |
ASSERT_RESET_ALWAYS( ( iShCount < iSize ), ( EP2PUserChannelReqQueueOutOfSync4 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
726 |
ASSERT_RESET_ALWAYS( EP2PLastAsyncRequest > aReq.iRequest, ( EP2PUserChannelReqQueueOverTheLimits | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
727 |
if( iShReqList[ aReq.iRequest ] )
|
|
|
728 |
{
|
|
|
729 |
// Place the buffer into the queue.
|
|
|
730 |
iShReqRingBuffer[ iShInputIndex ] = aReq;
|
|
|
731 |
// Adjust input pointer.
|
|
|
732 |
iShInputIndex = ( ( iShInputIndex + 1 ) % iSize );
|
|
|
733 |
// Remember the amount of the requests in the queue.
|
|
|
734 |
iShCount++;
|
|
|
735 |
ok = ETrue;
|
|
|
736 |
}
|
|
|
737 |
NKern::FMSignal( iQueueMutex );
|
|
|
738 |
C_TRACE( ( _T( "DP2PReqQueue::Add 0x%x %d %d %d %d %d<" ), this, iSize, iShCount, iShInputIndex, iShOutputIndex, ok ) );
|
|
|
739 |
return ok;
|
|
|
740 |
}
|
|
|
741 |
|
|
|
742 |
/*
|
|
|
743 |
*Returns the first pointer ( iShOutputIndex ) from the ring buffer.
|
|
|
744 |
*/
|
|
|
745 |
TBool DP2PUserChannel::DP2PReqQueue::Empty()
|
|
|
746 |
{
|
|
|
747 |
C_TRACE( ( _T( "DP2PReqQueue::Empty 0x%x %d<>" ), this, iShCount ) );
|
|
|
748 |
return iShCount == 0 ? ETrue : EFalse;
|
|
|
749 |
|
|
|
750 |
}
|
|
|
751 |
|
|
|
752 |
/*
|
|
|
753 |
*Returns the first pointer ( iShOutputIndex ) from the ring buffer.
|
|
|
754 |
*/
|
|
|
755 |
DP2PUserChannel::TP2PReq DP2PUserChannel::DP2PReqQueue::Get()
|
|
|
756 |
{
|
|
|
757 |
C_TRACE( ( _T( "DP2PReqQueue::Get 0x%x %d %d %d %d>" ), this, iSize, iShCount, iShInputIndex, iShOutputIndex ) );
|
|
|
758 |
NKern::FMWait( iQueueMutex );
|
|
|
759 |
// If queue is empty.
|
|
|
760 |
ASSERT_RESET_ALWAYS( ( iShCount > 0 ), ( EP2PUserChannelReqQueueOutOfSync5 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
761 |
// Get the buffer from the queue.
|
|
|
762 |
ASSERT_RESET_ALWAYS( EP2PLastAsyncRequest > iShOutputIndex, ( EP2PUserChannelReqQueueOverTheLimits2 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
763 |
TP2PReq temp = iShReqRingBuffer[ iShOutputIndex ];
|
|
|
764 |
// Set buffer location to NULL.
|
|
|
765 |
iShReqRingBuffer[ iShOutputIndex ].iRequest = EP2PLastAsyncRequest;
|
|
|
766 |
iShReqRingBuffer[ iShOutputIndex ].iCompleteStatus = KRequestPending;
|
|
|
767 |
// Adjust output pointer.
|
|
|
768 |
iShOutputIndex = ( ( iShOutputIndex + 1 ) % iSize );
|
|
|
769 |
// Remember the amount of the requests in the queue.
|
|
|
770 |
iShCount--;
|
|
|
771 |
NKern::FMSignal( iQueueMutex );
|
|
|
772 |
ASSERT_RESET_ALWAYS( temp.iRequest != EP2PLastAsyncRequest, ( EP2PUserChannelReqQueueOutOfSync6 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
773 |
ASSERT_RESET_ALWAYS( temp.iCompleteStatus != KRequestPending, ( EP2PUserChannelReqQueueOutOfSync7 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
774 |
C_TRACE( ( _T( "DQueue::Get 0x%x %d %d %d %d<" ), this, iSize, iShCount, iShInputIndex, iShOutputIndex ) );
|
|
|
775 |
return temp;
|
|
|
776 |
}
|
|
|
777 |
|
|
|
778 |
/*
|
|
|
779 |
* Set req active / deactive. Default deactive.
|
|
|
780 |
*/
|
|
|
781 |
void DP2PUserChannel::DP2PReqQueue::SetReq( TP2PAsyncRequest aReqToSet, TRequestStatus* aStatus )
|
|
|
782 |
{
|
|
|
783 |
C_TRACE( ( _T( "DP2PReqQueue::SetReq 0x%x %d 0x%x>" ), this, aReqToSet, aStatus ) );
|
|
|
784 |
ASSERT_RESET_ALWAYS( aReqToSet < EP2PLastAsyncRequest, ( EP2PUserChannelReqQueueWrongRequest | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
785 |
// If setting same request twice.
|
|
|
786 |
C_TRACE( ( _T( "DP2PReqQueue::SetReq 0x%x %d 0x%x 0x%x TBR" ), this, aReqToSet, aStatus, iShReqList[ aReqToSet ] ) );
|
|
|
787 |
ASSERT_RESET_ALWAYS( !( !iShReqList[ aReqToSet ] && aStatus == NULL ), EP2PUserChannelReqQueueCommon );
|
|
|
788 |
iShReqList[ aReqToSet ] = aStatus;
|
|
|
789 |
C_TRACE( ( _T( "DP2PReqQueue::SetReq 0x%x %d 0x%x<" ), this, aReqToSet, aStatus ) );
|
|
|
790 |
}
|
|
|
791 |
|
|
|
792 |
/*
|
|
|
793 |
* Set req active / deactive. Default deactive.
|
|
|
794 |
*/
|
|
|
795 |
TRequestStatus* DP2PUserChannel::DP2PReqQueue::GetReq( TP2PAsyncRequest aReqToGet )
|
|
|
796 |
{
|
|
|
797 |
ASSERT_RESET_ALWAYS( aReqToGet < EP2PLastAsyncRequest, ( EP2PUserChannelReqQueueWrongRequest2 | EDP2PReqQueueId << KClassIdentifierShift ) );
|
|
|
798 |
C_TRACE( ( _T( "DP2PReqQueue::GetReq 0x%x 0x%x %d<>" ), this, iShReqList[ aReqToGet ], aReqToGet ) );
|
|
|
799 |
TRequestStatus* tmpStatus = iShReqList[ aReqToGet ];
|
|
|
800 |
return tmpStatus;
|
|
|
801 |
}
|
|
|
802 |
// Internal class end
|