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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <nk_priv.h> // For __ASSERT_NO_FAST_MUTEX published partner
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#include <kern_priv.h> // For __ASSERT_CRITICAL published partner
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#include <dfcs.h> // For TDfc
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#include "memapi.h" // For MemApi
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#include "p2pkernelchannel.h" // For DP2PKernelChannel
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#include "p2proutertrace.h" // For TRACEs
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#include "p2pdefs.h" // For EP2PAmountOfProtocols
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#include "msgqueue.h" // For DMsgQueue
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#include "p2pinternaldefs.h" // For EP2P...
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// CONST
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const TInt KFirstParam( 0 );
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const TInt KSecondParam( 1 );
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const TInt KThirdParam( 2 );
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const TInt KDestroyChannelMsg( 0xff );
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const TInt KP2PKernelChannelMsgQueDfcPrio( 2 ); // LDD FW has one
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const TInt KP2PKernelEmptyRxQueuePrio( 1 );
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enum TP2PKernelChannelFaults
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{
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EP2PKernelChannelMemAllocFailure = 0x00,
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EP2PKernelChannelMemAllocFailure2,
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EP2PKernelChannelNotThreadContext,
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EP2PKernelChannelNotThreadContext2,
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EP2PKernelChannelNotThreadContext3,
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EP2PKernelChannelNullParam,
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EP2PKernelChannelNullParam2,
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EP2PKernelChannelNullParam3,
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EP2PKernelChannelNullParam4,
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EP2PKernelChannelNullParam5,
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EP2PKernelChannelNullParam6,
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EP2PKernelChannelWrongParam,
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EP2PKernelChannelWrongParam2,
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EP2PKernelChannelWrongParam3,
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EP2PKernelChannelWrongResponse,
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EP2PKernelChannelNullPtr,
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EP2PKernelChannelWrongRequest,
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EP2PKernelChannelWrongRequest2,
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EP2PKernelChannelWrongRequest3,
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EP2PKernelChannelWrongRequest4,
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EP2PKernelChannelOverTheLimits,
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EP2PKernelChannelOverTheLimits2,
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EP2PKernelChannelOverTheLimits3,
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EP2PKernelChannelOverTheLimits4,
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EP2PKernelChannelSameRequestTwice,
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EP2PKernelChannelDfcAlreadyQueued,
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EP2PKernelChannelRxBufferNotReleased,
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};
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// TODO: Create a common Kernel channel FW (P2P, ISI, etc..) after APIs are locked
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DP2PKernelChannel::DP2PKernelChannel(
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// None
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) :
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iP2PProtocolId( EP2PAmountOfProtocols ),
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iKernelChMsgQue( MsgQDfc, this, NULL, KP2PKernelChannelMsgQueDfcPrio )
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{
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C_TRACE( ( _T( "DP2PKernelChannel::DP2PKernelChannel 0x%x 0x%x>" ), this, iP2PProtocolId ) );
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iRouterIf = MP2PChRouterIf::GetIf();
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ASSERT_RESET_ALWAYS( iRouterIf, ( EP2PKernelChannelMemAllocFailure | EDP2PKernelChannelId << KClassIdentifierShift ) );
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iRequests = new DP2PKernelAsyncRequests( EP2PLastAsyncRequest );
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iRx = new DMsgQueue( KP2PLddRxQueuSize );
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iEmptyRxDfc = new TDfc( EmptyRxDfc, this, iRouterIf->GetDfcThread( MP2PChRouterIf::EP2PDfcThread ), KP2PKernelEmptyRxQueuePrio );
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ASSERT_RESET_ALWAYS( ( iEmptyRxDfc && iRequests && iRx ), ( EP2PKernelChannelMemAllocFailure2 | EDP2PKernelChannelId << KClassIdentifierShift ) );
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iKernelChMsgQue.SetDfcQ( iRouterIf->GetDfcThread( MP2PChRouterIf::EP2PDfcThread ) );
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iKernelChMsgQue.Receive();
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C_TRACE( ( _T( "DP2PKernelChannel::DP2PKernelChannel 0x%x 0x%x<" ), this, iP2PProtocolId ) );
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}
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DP2PKernelChannel::~DP2PKernelChannel(
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// None
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)
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{
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C_TRACE( ( _T( "DP2PKernelChannel::~DP2PKernelChannel 0x%x 0x%x>" ), this, iP2PProtocolId ) );
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// Send channel destroyed message to complete with EFalse.
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TThreadMessage& m=Kern::Message();
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m.iValue = KDestroyChannelMsg;
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m.SendReceive( &iKernelChMsgQue );
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iP2PProtocolId = EP2PAmountOfProtocols;
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C_TRACE( ( _T( "DP2PKernelChannel::~DP2PKernelChannel iRx 0x%x" ), iRx ) );
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// Only modified in constructor, if not created already reseted.
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delete iRx;
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iRx = NULL;
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C_TRACE( ( _T( "DP2PKernelChannel::~DP2PKernelChannel iEmptyRxDfc 0x%x" ), iEmptyRxDfc ) );
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// Only modified in constructor, if not created already reseted.
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iEmptyRxDfc->Cancel();
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delete iEmptyRxDfc;
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iEmptyRxDfc = NULL;
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iPtrPtrToRxBuf = NULL;
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iRouterIf = NULL;
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C_TRACE( ( _T( "DP2PKernelChannel::~DP2PKernelChannel iRequests 0x%x" ), iEmptyRxDfc ) );
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// Only modified in constructor, if not created already reseted.
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delete iRequests;
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iRequests = NULL;
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C_TRACE( ( _T( "DP2PKernelChannel::~DP2PKernelChannel 0x%x 0x%x<" ), this, iP2PProtocolId ) );
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}
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// Handling of the request from kernel api
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// Puts calling thread waiting until TThreadMessage::SendReceive is completed
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TInt DP2PKernelChannel::HandleRequest(
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TThreadMessage& aMsg
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)
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{
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C_TRACE( ( _T( "DP2PKernelChannel::HandleRequest 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, aMsg.iValue ) );
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// TODO : similar__NK_ASSERT_UNLOCKED;
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__ASSERT_CRITICAL; // From kern_priv.h published partner
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__ASSERT_NO_FAST_MUTEX; // From nk_priv.h published partner.
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PKernelChannelNotThreadContext | EDP2PKernelChannelId << KClassIdentifierShift ) );
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C_TRACE( ( _T( "DP2PKernelChannel::HandleRequest 0x%x == 0x%x " ), iP2PProtocolId, EP2PAmountOfProtocols ) );
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TInt valueToReturn( KErrAlreadyExists );
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// Channel is not open, either still closed or open is pending.
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if( EP2PAmountOfProtocols <= iP2PProtocolId )
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{
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// Accept only open and close calls
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switch( aMsg.iValue )
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{
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// Open and close calls are legal
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case EP2PAsyncOpen:
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case EP2PClose:
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{
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C_TRACE( ( _T( "DP2PKernelChannel::HandleRequest open or close 0x%x" ), this ) );
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valueToReturn = aMsg.SendReceive( &iKernelChMsgQue );
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break;
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}
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case KMaxTInt:
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{
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// Accept only open cancellation when channel is not open.
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ASSERT_RESET_ALWAYS( ( KMaxTInt & aMsg.Int0() == EP2PAsyncOpen ), ( EP2PKernelChannelWrongParam3 | EDP2PKernelChannelId << KClassIdentifierShift ) );
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C_TRACE( ( _T( "DP2PKernelChannel::HandleRequest open cancel 0x%x" ), this ) );
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valueToReturn = aMsg.SendReceive( &iKernelChMsgQue );
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break;
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}
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default:
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{
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ASSERT_RESET_ALWAYS( ( 0 ), ( EP2PKernelChannelWrongParam | EDP2PKernelChannelId << KClassIdentifierShift ) );
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break;
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}
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}
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}
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// Channel is open.
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else
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{
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// Accept all calls except open.
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if( EP2PAsyncOpen != aMsg.iValue )
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{
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valueToReturn = aMsg.SendReceive( &iKernelChMsgQue );
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}
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}
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C_TRACE( ( _T( "DP2PKernelChannel::HandleRequest 0x%x 0x%x %d<" ), this, iP2PProtocolId, valueToReturn ) );
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return valueToReturn;
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}
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// From MP2PRouterChIf start
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// Called only in router extension thread context.
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void DP2PKernelChannel::ConnectionLost()
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{
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C_TRACE( ( _T( "DP2PKernelChannel::ConnectionLost 0x%x 0x%x %d %d 0x%x>" ), this, iP2PProtocolId ) );
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EnqueChannelRequestCompleteDfc( EP2PAsyncConnectionLost, KErrNotReady );
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ResetQueues();
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//Closing( iP2PProtocolId );
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C_TRACE( ( _T( "DP2PKernelChannel::ConnectionLost 0x%x 0x%x %d %d 0x%x<" ), this, iP2PProtocolId ) );
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}
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// Called only in router extension thread context.
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void DP2PKernelChannel::EnqueChannelRequestCompleteDfc(
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TInt aRequest,
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TInt aStatusToComplete
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)
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{
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C_TRACE( ( _T( "DP2PKernelChannel::EnqueChannelRequestCompleteDfc 0x%x 0x%x %d %d 0x%x>" ), this, iP2PProtocolId, aRequest, aStatusToComplete ) );
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PKernelChannelNotThreadContext2 | EDP2PKernelChannelId << KClassIdentifierShift ) );
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// TODO: assert router ext thread context
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if( aRequest == EP2PAsyncOpen )
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{
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iP2PProtocolId = ( KErrNone == aStatusToComplete || KErrInUse == aStatusToComplete ) ? ~iP2PProtocolId : EP2PAmountOfProtocols;
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}
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iRequests->Complete( aRequest, aStatusToComplete );
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C_TRACE( ( _T( "DP2PKernelChannel::EnqueChannelRequestCompleteDfc 0x%x 0x%x %d %d 0x%x<" ), this, iP2PProtocolId, aRequest, aStatusToComplete ) );
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}
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// Called in 1...N transceivers thread context
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void DP2PKernelChannel::ReceiveMsg(
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const TDesC8& aMessage
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)
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{
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C_TRACE( ( _T( "DP2PKernelChannel::ReceiveMsg 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, &aMessage ) );
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EP2PKernelChannelNotThreadContext3 | EDP2PKernelChannelId << KClassIdentifierShift ) );
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iRx->Add( aMessage );
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iEmptyRxDfc->Enque();
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C_TRACE( ( _T( "DP2PKernelChannel::ReceiveMsg 0x%x 0x%x 0x%x<" ), this, iP2PProtocolId, &aMessage ) );
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}
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// From MP2PRouterChIf end
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// Internal functions
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void DP2PKernelChannel::EmptyRxDfc(
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TAny* aPtr // self
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)
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{
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DP2PKernelChannel& chTmp = *reinterpret_cast<DP2PKernelChannel*>( aPtr );
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C_TRACE( ( _T( "DP2PKernelChannel::EmptyRxDfc 0x%x 0x%x>" ), &chTmp, chTmp.iP2PProtocolId ) );
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if( chTmp.iRequests->IsPending( EP2PAsyncReceive ) && chTmp.iRx->Count() > 0 )
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{
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C_TRACE( ( _T( "DP2PKernelChannel::EmptyRxDfc 0x%x 0x%x writing to kernel client" ), &chTmp, chTmp.iP2PProtocolId ) );
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TDes8*& tmpWrite = *chTmp.iPtrPtrToRxBuf;
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tmpWrite = &chTmp.iRx->Get();
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C_TRACE( ( _T( "DP2PKernelChannel::EmptyRxDfc 0x%x 0x%x 0x%x 0x%x clientRx 0x%x " ), &chTmp, chTmp.iP2PProtocolId, chTmp.iPtrPtrToRxBuf, &chTmp.iPtrPtrToRxBuf, *chTmp.iPtrPtrToRxBuf ) );
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chTmp.EnqueChannelRequestCompleteDfc( EP2PAsyncReceive, KErrNone );
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}
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else
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{
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C_TRACE( ( _T( "DP2PKernelChannel::EmptyRxDfc 0x%x 0x%x no receive active or no message" ), &chTmp, chTmp.iP2PProtocolId ) );
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}
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C_TRACE( ( _T( "DP2PKernelChannel::EmptyRxDfc 0x%x 0x%x <" ), &chTmp, chTmp.iP2PProtocolId ) );
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}
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void DP2PKernelChannel::MsgQDfc(
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TAny* aPtr
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)
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{
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C_TRACE( ( _T( "DP2PKernelChannel::MsgQDfc>" ) ) );
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DP2PKernelChannel* tmp = reinterpret_cast<DP2PKernelChannel*>( aPtr );
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tmp->HandleThreadMsg( static_cast<TThreadMessage&>(*tmp->iKernelChMsgQue.iMessage ) );
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C_TRACE( ( _T( "DP2PKernelChannel::MsgQDfc<" ) ) );
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}
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void DP2PKernelChannel::HandleThreadMsg(
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TThreadMessage& aMsg
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)
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{
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C_TRACE( ( _T( "DP2PKernelChannel::HandleThreadMsg 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, &aMsg ) );
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TThreadMessage& m = ( aMsg );
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TInt completeValue( KErrNone );
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TBool complete( ETrue );
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switch( m.iValue )
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{
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// All asynchronous requests. Return result after DFC function is run.
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case EP2PAsyncReceive:
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case EP2PAsyncOpen:
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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 client from DFC.
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HandleDfcRequest( m );
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break;
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}
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// From synchronized request return the result immediately
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case EP2PClose:
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case EP2PAllocateBlock:
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case EP2PDeallocateBlock:
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case EP2PSend:
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{
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completeValue = HandleSyncRequest( m );
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break;
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}
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case KDestroyChannelMsg:
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{
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completeValue = KErrNone;
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// Don't receive anymore messages.
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complete = EFalse;
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break;
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}
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case KMaxTInt:
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{
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completeValue = KErrNone;
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DoCancel( KMaxTInt, m.Int0() );
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break;
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}
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default:
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{
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ASSERT_RESET_ALWAYS( 0, ( EP2PKernelChannelWrongRequest | EDP2PKernelChannelId << KClassIdentifierShift ) );
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break;
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}
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}
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m.Complete( completeValue, complete );
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C_TRACE( ( _T( "DP2PKernelChannel::HandleThreadMsg 0x%x 0x%x<" ), this, iP2PProtocolId ) );
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}
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void DP2PKernelChannel::HandleDfcRequest(
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|
317 |
TThreadMessage& aMsg
|
|
|
318 |
)
|
|
|
319 |
{
|
|
|
320 |
|
|
|
321 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleDfcRequest 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, &aMsg ) );
|
|
|
322 |
TThreadMessage& m = ( aMsg );
|
|
|
323 |
TInt request( m.iValue );
|
|
|
324 |
ASSERT_RESET_ALWAYS( m.iArg, ( EP2PKernelChannelNullParam | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
325 |
// If request already active.
|
|
|
326 |
ASSERT_RESET_ALWAYS( EP2PLastAsyncRequest > ( request ), ( EP2PKernelChannelWrongRequest4 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
327 |
if( iRequests->IsPending( request) )
|
|
|
328 |
{
|
|
|
329 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleDfcRequest existing 0x%x 0x%x request 0x%x" ), this, iP2PProtocolId, request ) );
|
|
|
330 |
TRACE_ASSERT_INFO( 0, ( (TUint8)iP2PProtocolId << KProtocolIdShift | (TUint8)request << KExtraInfoShift ) );
|
|
|
331 |
// Should not give same request object twice before completing the first one.
|
|
|
332 |
ASSERT_RESET_ALWAYS( 0, ( EP2PKernelChannelSameRequestTwice | static_cast<TUint8>( iP2PProtocolId ) << KProtocolIdShift | static_cast<TUint8>( request ) << KExtraInfoShift ) );
|
|
|
333 |
}
|
|
|
334 |
else
|
|
|
335 |
{
|
|
|
336 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleDfcRequest 0x%x 0x%x handling %d" ), this, iP2PProtocolId, request ) );
|
|
|
337 |
//NOTE! These are tight to parameter passing!!
|
|
|
338 |
TUint32* tablePtr = reinterpret_cast<TUint32*>( m.Ptr0() );
|
|
|
339 |
TInt* dfcStatus = reinterpret_cast<TInt*>( tablePtr[ 0 ] );
|
|
|
340 |
TDfc* dfc = reinterpret_cast<TDfc*>( tablePtr[ 1 ] );
|
|
|
341 |
ASSERT_RESET_ALWAYS( dfcStatus, ( EP2PKernelChannelNullParam2 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
342 |
ASSERT_RESET_ALWAYS( dfc, ( EP2PKernelChannelNullParam3 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
343 |
iRequests->SetPending( request, dfc, dfcStatus );
|
|
|
344 |
switch( request )
|
|
|
345 |
{
|
|
|
346 |
case EP2PAsyncOpen:
|
|
|
347 |
{
|
|
|
348 |
iP2PProtocolId = tablePtr[ KThirdParam ];
|
|
|
349 |
iP2PProtocolId = ~iP2PProtocolId;
|
|
|
350 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleDfcRequest EP2PNokiaKernelOpen 0x%x 0x%x 0x%x" ), this, iP2PProtocolId, ~iP2PProtocolId ) );
|
|
|
351 |
iRouterIf->Open( ~iP2PProtocolId, this );
|
|
|
352 |
break;
|
|
|
353 |
}
|
|
|
354 |
case EP2PAsyncReceive:
|
|
|
355 |
{
|
|
|
356 |
ASSERT_RESET_ALWAYS( !iPtrPtrToRxBuf, ( EP2PKernelChannelRxBufferNotReleased | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
357 |
iPtrPtrToRxBuf = reinterpret_cast<TDes8**>( tablePtr[ KThirdParam ] );
|
|
|
358 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleDfcRequest EIADAsyncReceive 0x%x 0x%x 0x%x 0x%x" ), this, iP2PProtocolId, iPtrPtrToRxBuf, &iPtrPtrToRxBuf ) );
|
|
|
359 |
iEmptyRxDfc->Enque();
|
|
|
360 |
break;
|
|
|
361 |
}
|
|
|
362 |
case EP2PAsyncConnectionLost:
|
|
|
363 |
{
|
|
|
364 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleDfcRequest EP2PAsyncConnectionLost 0x%x 0x%x" ), this, iP2PProtocolId ) );
|
|
|
365 |
// If the connection is already lost when function is called return immediately.
|
|
|
366 |
// This might happend in between calls to ::Open and ::NotifyClose
|
|
|
367 |
if( !iRouterIf->ConnectionExist( iP2PProtocolId ) )
|
|
|
368 |
{
|
|
|
369 |
EnqueChannelRequestCompleteDfc( EP2PAsyncConnectionLost, KErrNotReady );
|
|
|
370 |
ResetQueues();
|
|
|
371 |
//Closing( iP2PProtocolId );
|
|
|
372 |
}
|
|
|
373 |
break;
|
|
|
374 |
}
|
|
|
375 |
default:
|
|
|
376 |
{
|
|
|
377 |
ASSERT_RESET_ALWAYS( 0, ( EP2PKernelChannelWrongRequest2 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
378 |
break;
|
|
|
379 |
}
|
|
|
380 |
}
|
|
|
381 |
}
|
|
|
382 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleDfcRequest 0x%x 0x%x 0x%x<" ), this, iP2PProtocolId, &aMsg ) );
|
|
|
383 |
|
|
|
384 |
}
|
|
|
385 |
|
|
|
386 |
TInt DP2PKernelChannel::HandleSyncRequest(
|
|
|
387 |
TThreadMessage& aMsg
|
|
|
388 |
)
|
|
|
389 |
{
|
|
|
390 |
|
|
|
391 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleSyncRequest 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, &aMsg ) );
|
|
|
392 |
TThreadMessage& m = ( aMsg );
|
|
|
393 |
TInt request( m.iValue );
|
|
|
394 |
ASSERT_RESET_ALWAYS( m.iArg, ( EP2PKernelChannelNullParam4 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
395 |
TInt returnValue( KErrNone );
|
|
|
396 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleSyncRequest 0x%x 0x%x handling %d" ), this, iP2PProtocolId, request ) );
|
|
|
397 |
TUint32* tablePtr = reinterpret_cast<TUint32*>( m.Ptr0() );
|
|
|
398 |
// NOTE! values depend on the P2P Kernel API parameters
|
|
|
399 |
switch( request )
|
|
|
400 |
{
|
|
|
401 |
case EP2PClose:
|
|
|
402 |
{
|
|
|
403 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleSyncRequest EP2PClose 0x%x 0x%x" ), this, iP2PProtocolId ) );
|
|
|
404 |
Closing( iP2PProtocolId );
|
|
|
405 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleSyncRequest EP2PClose 0x%x 0x%x" ), this, iP2PProtocolId ) );
|
|
|
406 |
returnValue = KErrNone;
|
|
|
407 |
break;
|
|
|
408 |
}
|
|
|
409 |
case EP2PAllocateBlock:
|
|
|
410 |
{
|
|
|
411 |
const TInt size = *reinterpret_cast<TInt*>( tablePtr[ KFirstParam ] );
|
|
|
412 |
TDes8*& block = *(reinterpret_cast<TDes8**>( tablePtr[ KSecondParam ] ));
|
|
|
413 |
C_TRACE( ( _T( "DP2PKernelChannel:: EP2PAllocateBlock 0x%x 0x%x block 0x%x %d" ), this, iP2PProtocolId, block, size ) );
|
|
|
414 |
block = ( &MemApi::AllocBlock( size ) );
|
|
|
415 |
break;
|
|
|
416 |
}
|
|
|
417 |
case EP2PDeallocateBlock:
|
|
|
418 |
{
|
|
|
419 |
TDes8& block = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
|
|
|
420 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleSyncRequest EP2PAllocateBlock 0x%x 0x%x block 0x%x" ), this, iP2PProtocolId, &block ) );
|
|
|
421 |
// Needed to ensure that right channel is deleting the right block. (Could it be done otherways too?)
|
|
|
422 |
if( iPtrPtrToRxBuf )
|
|
|
423 |
{
|
|
|
424 |
if ( &block == *iPtrPtrToRxBuf )
|
|
|
425 |
{
|
|
|
426 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleSyncRequest release 0x%x 0x%x clientRx 0x%x"), iPtrPtrToRxBuf, &iPtrPtrToRxBuf, *iPtrPtrToRxBuf ) );
|
|
|
427 |
iPtrPtrToRxBuf = NULL;
|
|
|
428 |
}
|
|
|
429 |
}
|
|
|
430 |
MemApi::DeallocBlock( block );
|
|
|
431 |
break;
|
|
|
432 |
}
|
|
|
433 |
case EP2PSend:
|
|
|
434 |
{
|
|
|
435 |
TDes8& block = *reinterpret_cast<TDes8*>( tablePtr[ KFirstParam ] );
|
|
|
436 |
C_TRACE( ( _T( "DISAKernelChannel::HandleSyncRequest EP2PSend 0x%x 0x%x block 0x%x" ), this, iP2PProtocolId, &block ) );
|
|
|
437 |
returnValue = iRouterIf->Send( block, iP2PProtocolId );
|
|
|
438 |
break;
|
|
|
439 |
}
|
|
|
440 |
default:
|
|
|
441 |
{
|
|
|
442 |
ASSERT_RESET_ALWAYS( 0, ( EP2PKernelChannelWrongRequest3 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
443 |
break;
|
|
|
444 |
}
|
|
|
445 |
}
|
|
|
446 |
C_TRACE( ( _T( "DP2PKernelChannel::HandleSyncRequest 0x%x 0x%x 0x%x %d<" ), this, iP2PProtocolId, &aMsg, returnValue ) );
|
|
|
447 |
return returnValue;
|
|
|
448 |
|
|
|
449 |
}
|
|
|
450 |
|
|
|
451 |
void DP2PKernelChannel::DoCancel(
|
|
|
452 |
TInt aRequest,
|
|
|
453 |
TInt aMask )
|
|
|
454 |
{
|
|
|
455 |
|
|
|
456 |
C_TRACE( ( _T( "DP2PKernelChannel::DoCancel 0x%x 0x%x>" ), this, iP2PProtocolId ) );
|
|
|
457 |
ASSERT_RESET_ALWAYS( EP2PLastAsyncRequest > ( aMask&aRequest ), EP2PKernelChannelOverTheLimits | EDP2PKernelChannelId << KClassIdentifierShift );
|
|
|
458 |
if( iRequests->IsPending( aMask&aRequest ) )
|
|
|
459 |
{
|
|
|
460 |
switch( aMask&aRequest )
|
|
|
461 |
{
|
|
|
462 |
case EP2PAsyncOpen:
|
|
|
463 |
{
|
|
|
464 |
C_TRACE( ( _T( "DP2PKernelChannel::DoCancel EP2PAsyncOpen 0x%x 0x%x" ), this, iP2PProtocolId ) );
|
|
|
465 |
ResetQueues();
|
|
|
466 |
Close( ~iP2PProtocolId );
|
|
|
467 |
break;
|
|
|
468 |
}
|
|
|
469 |
case EP2PAsyncReceive:
|
|
|
470 |
{
|
|
|
471 |
C_TRACE( ( _T( "DP2PKernelChannel::DoCancel EIADAsyncReceive 0x%x 0x%x ptrs 0x%x 0x%x" ), this, iP2PProtocolId, iPtrPtrToRxBuf, &iPtrPtrToRxBuf ) );
|
|
|
472 |
iPtrPtrToRxBuf = NULL;
|
|
|
473 |
break;
|
|
|
474 |
}
|
|
|
475 |
case EP2PAsyncConnectionLost:
|
|
|
476 |
{
|
|
|
477 |
C_TRACE( ( _T( "DP2PKernelChannel::DoCancel EP2PAsyncConnectionLost 0x%x 0x%x" ), this, iP2PProtocolId ) );
|
|
|
478 |
break;
|
|
|
479 |
}
|
|
|
480 |
default:
|
|
|
481 |
{
|
|
|
482 |
ASSERT_RESET_ALWAYS( 0, EP2PKernelChannelWrongRequest | EDP2PKernelChannelId << KClassIdentifierShift );
|
|
|
483 |
break;
|
|
|
484 |
}
|
|
|
485 |
}
|
|
|
486 |
EnqueChannelRequestCompleteDfc( aMask&aRequest, KErrCancel );
|
|
|
487 |
}
|
|
|
488 |
else
|
|
|
489 |
{
|
|
|
490 |
C_TRACE( ( _T( "DP2PKernelChannel::DoCancel nothing to cancel 0x%x 0x%x" ), this, iP2PProtocolId ) );
|
|
|
491 |
}
|
|
|
492 |
C_TRACE( ( _T( "DP2PKernelChannel::DoCancel 0x%x 0x%x<" ), this, iP2PProtocolId ) );
|
|
|
493 |
|
|
|
494 |
}
|
|
|
495 |
|
|
|
496 |
void DP2PKernelChannel::Close(
|
|
|
497 |
const TUint8 aP2PProtocolId
|
|
|
498 |
)
|
|
|
499 |
{
|
|
|
500 |
|
|
|
501 |
C_TRACE( ( _T( "DP2PKernelChannel::Close 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, aP2PProtocolId ) );
|
|
|
502 |
if( EP2PAmountOfProtocols != iP2PProtocolId )
|
|
|
503 |
{
|
|
|
504 |
C_TRACE( ( _T( "DP2PKernelChannel::Close closing 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, aP2PProtocolId ) );
|
|
|
505 |
iRouterIf->Close( aP2PProtocolId );
|
|
|
506 |
}
|
|
|
507 |
iP2PProtocolId = EP2PAmountOfProtocols;
|
|
|
508 |
C_TRACE( ( _T( "DP2PKernelChannel::Close 0x%x 0x%x 0x%x<" ), this, iP2PProtocolId, aP2PProtocolId ) );
|
|
|
509 |
|
|
|
510 |
}
|
|
|
511 |
|
|
|
512 |
void DP2PKernelChannel::Closing(
|
|
|
513 |
const TUint8 aP2PProtocolId
|
|
|
514 |
)
|
|
|
515 |
{
|
|
|
516 |
|
|
|
517 |
C_TRACE( ( _T( "DP2PKernelChannel::Closing 0x%x 0x%x 0x%x>" ), this, iP2PProtocolId, aP2PProtocolId ) );
|
|
|
518 |
ResetQueues();
|
|
|
519 |
for( TInt i( EP2PLastSyncRequest ); i < EP2PLastAsyncRequest; ++i )
|
|
|
520 |
{
|
|
|
521 |
C_TRACE( ( _T( "DP2PKernelChannel::CancelRequests req to cancel %d" ), i ) );
|
|
|
522 |
DoCancel( KMaxTInt, i );
|
|
|
523 |
}
|
|
|
524 |
Close( iP2PProtocolId );
|
|
|
525 |
C_TRACE( ( _T( "DP2PKernelChannel::Closing 0x%x 0x%x 0x%x<" ), this, iP2PProtocolId, aP2PProtocolId ) );
|
|
|
526 |
|
|
|
527 |
}
|
|
|
528 |
|
|
|
529 |
void DP2PKernelChannel::ResetQueues(
|
|
|
530 |
// None
|
|
|
531 |
)
|
|
|
532 |
{
|
|
|
533 |
|
|
|
534 |
C_TRACE( ( _T( "DP2PKernelChannel::ResetQueues 0x%x 0x%x>" ), this, iP2PProtocolId ) );
|
|
|
535 |
// TODO: assert router ext thread context
|
|
|
536 |
if( iRx )
|
|
|
537 |
{
|
|
|
538 |
C_TRACE( ( _T( "DP2PKernelChannel::ResetQueues 0x%x 0x%x iRx 0x%x" ), this, iP2PProtocolId, iRx ) );
|
|
|
539 |
while( iRx->Count() )
|
|
|
540 |
{
|
|
|
541 |
MemApi::DeallocBlock( iRx->Get() );
|
|
|
542 |
}
|
|
|
543 |
}
|
|
|
544 |
C_TRACE( ( _T( "DP2PKernelChannel::ResetQueues 0x%x 0x%x<" ), this, iP2PProtocolId ) );
|
|
|
545 |
|
|
|
546 |
}
|
|
|
547 |
// Internal functions
|
|
|
548 |
|
|
|
549 |
// Internal class
|
|
|
550 |
|
|
|
551 |
DP2PKernelChannel::DP2PKernelAsyncRequests::DP2PKernelAsyncRequests(
|
|
|
552 |
const TInt aSize
|
|
|
553 |
)
|
|
|
554 |
{
|
|
|
555 |
|
|
|
556 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::DP2PKernelAsyncRequests size %d>" ), aSize ) );
|
|
|
557 |
iRequestLock = new NFastMutex();
|
|
|
558 |
iShDfcFunctionList = new TDfc*[ aSize ];
|
|
|
559 |
iShRequestStatusList = new TInt*[ aSize ];
|
|
|
560 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::DP2PKernelAsyncRequests<" ) ) );
|
|
|
561 |
|
|
|
562 |
}
|
|
|
563 |
|
|
|
564 |
|
|
|
565 |
DP2PKernelChannel::DP2PKernelAsyncRequests::~DP2PKernelAsyncRequests()
|
|
|
566 |
{
|
|
|
567 |
|
|
|
568 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::~DP2PKernelAsyncRequests>" ) ) );
|
|
|
569 |
// Delete space reserved for the array not the contents of the array, so mem behind pointers that are not owned are not deleted.
|
|
|
570 |
delete iShDfcFunctionList;
|
|
|
571 |
delete iShRequestStatusList;
|
|
|
572 |
// Deletes lock
|
|
|
573 |
delete iRequestLock;
|
|
|
574 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::~DP2PKernelAsyncRequests<" ) ) );
|
|
|
575 |
|
|
|
576 |
}
|
|
|
577 |
|
|
|
578 |
void DP2PKernelChannel::DP2PKernelAsyncRequests::SetPending(
|
|
|
579 |
const TUint aRequest,
|
|
|
580 |
TDfc* aDfc,
|
|
|
581 |
TInt* aStatus
|
|
|
582 |
)
|
|
|
583 |
{
|
|
|
584 |
|
|
|
585 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::SetPending %d 0x%x 0x%x>" ), aRequest, aDfc, aStatus ) );
|
|
|
586 |
ASSERT_RESET_ALWAYS( aDfc, ( EP2PKernelChannelNullParam5 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
587 |
ASSERT_RESET_ALWAYS( aStatus, ( EP2PKernelChannelNullParam5 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
588 |
ASSERT_RESET_ALWAYS( ( EP2PLastAsyncRequest > aRequest && EP2PAsyncReceive <= aRequest ), ( EP2PKernelChannelOverTheLimits2 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
589 |
// Note asserts must be done before holding the lock.
|
|
|
590 |
NKern::FMWait( iRequestLock );
|
|
|
591 |
iShDfcFunctionList[ aRequest ] = aDfc;
|
|
|
592 |
iShRequestStatusList[ aRequest ] = aStatus;
|
|
|
593 |
*iShRequestStatusList[ aRequest ] = KRequestPending;
|
|
|
594 |
NKern::FMSignal( iRequestLock );
|
|
|
595 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::SetPending %d 0x%x 0x%x<" ), aRequest, aDfc, aStatus ) );
|
|
|
596 |
|
|
|
597 |
}
|
|
|
598 |
|
|
|
599 |
TBool DP2PKernelChannel::DP2PKernelAsyncRequests::IsPending(
|
|
|
600 |
const TUint aRequest
|
|
|
601 |
)
|
|
|
602 |
{
|
|
|
603 |
|
|
|
604 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::IsPending %d>" ), aRequest ) );
|
|
|
605 |
ASSERT_RESET_ALWAYS( ( EP2PLastAsyncRequest > aRequest && EP2PAsyncReceive <= aRequest ), ( EP2PKernelChannelOverTheLimits3 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
606 |
TBool ret( EFalse );
|
|
|
607 |
NKern::FMWait( iRequestLock );
|
|
|
608 |
ret = ( iShDfcFunctionList[ aRequest ] && iShRequestStatusList[ aRequest ] ) ? ETrue : EFalse;
|
|
|
609 |
NKern::FMSignal( iRequestLock );
|
|
|
610 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::IsPending %d %d<" ), aRequest, ret ) );
|
|
|
611 |
return ret;
|
|
|
612 |
|
|
|
613 |
}
|
|
|
614 |
|
|
|
615 |
void DP2PKernelChannel::DP2PKernelAsyncRequests::Complete(
|
|
|
616 |
const TUint aRequest,
|
|
|
617 |
const TInt aStatusToComplete
|
|
|
618 |
)
|
|
|
619 |
{
|
|
|
620 |
|
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|
621 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::Complete %d>" ), aRequest ) );
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|
|
622 |
// Check that request is legal.
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|
|
623 |
ASSERT_RESET_ALWAYS( ( EP2PLastAsyncRequest > aRequest && EP2PAsyncReceive <= aRequest ), ( EP2PKernelChannelOverTheLimits4 | EDP2PKernelChannelId << KClassIdentifierShift ) );
|
|
|
624 |
NKern::FMWait( iRequestLock );
|
|
|
625 |
TDfc* completeDfc = iShDfcFunctionList[ aRequest ];
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|
626 |
if( ( completeDfc && iShRequestStatusList[ aRequest ] ) )
|
|
|
627 |
{
|
|
|
628 |
// Writing straight to clients pointer. There is a risk that malfunctioning client can mess up it's own pointer, if used out side of rx dfc, but what can you do..
|
|
|
629 |
*iShRequestStatusList[ aRequest ] = aStatusToComplete;
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|
|
630 |
ASSERT_RESET_ALWAYS( !completeDfc->Queued(), ( EP2PKernelChannelDfcAlreadyQueued | EDP2PKernelChannelId << KClassIdentifierShift ) );
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|
|
631 |
completeDfc->Enque();
|
|
|
632 |
iShDfcFunctionList[ aRequest ] = NULL;
|
|
|
633 |
}
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|
|
634 |
NKern::FMSignal( iRequestLock );
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|
|
635 |
C_TRACE( ( _T( "DP2PKernelAsyncRequests::Complete %d<" ), aRequest ) );
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|
|
636 |
|
|
|
637 |
}
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|
|
638 |
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|
|
639 |
// Internal class
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|
640 |
|
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|
641 |
// End of file.
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|
642 |
|