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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 <kernel.h> // For Kern
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#include "p2prouter.h" // For DP2PRouter
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#include "memapi.h" // For MemApi
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#include "p2proutertrace.h" // For C_TRACE..
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#include "p2pdevice.h" // For DP2PDevice
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#include "mlinkmuxif.h" // For MLinkMuxIf
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#include "trxdefs.h" // For ETrx...
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#include "p2pinternaldefs.h" // For EP2PAsyncOpen
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// Faults
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enum TP2PRouterFaults
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{
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EP2PRouterMemAllocFailure = 0x00,
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EP2PRouterMemAllocFailure1,
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EP2PRouterMemAllocFailure2,
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EP2PRouterMemAllocFailure3,
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EP2PRouterMemAllocFailure4,
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EP2PRouterMemAllocFailure5,
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EP2PRouterMemAllocFailure6,
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EP2PRouterMemAllocFailure7,
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EP2PRouterMemAllocFailure8,
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EP2PRouterOverTheLimits,
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EP2PRouterWrongRequest,
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EP2PRouterWrongRequest2,
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EP2PRouterNullParam,
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EP2PRouterWrongParam,
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EP2PRouterWrongParam2,
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EP2PRouterWrongParam3,
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EP2PRouterWrongParam4,
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EP2PRouterWrongParam5,
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EP2PRouterWrongParam6,
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EP2PRouterWrongParam7,
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EP2PRouterWrongParam8,
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};
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const TInt KDfcPriority( 5 );
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const TInt KDefaultDfcThreadPriority( 27 );
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_LIT( KP2PDfcQThreadName, "P2PRouter" );
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_LIT( KP2PLddDfcQThreadName, "P2PUserChannel" );
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TDfcQue* DP2PRouter::iP2PDfcQueList[ EAmountOfP2PDfcThreads ] = { NULL, NULL };
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DP2PRouter* DP2PRouter::iSelfPtr = NULL;
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DP2PRouter::DP2PRouter(
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// None
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)
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{
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C_TRACE( ( _T( "DP2PRouter::DP2PRouter>" ) ) );
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TInt err = Kern::DfcQCreate( iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDefaultDfcThreadPriority, &KP2PDfcQThreadName );
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ASSERT_RESET_ALWAYS( iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], EP2PRouterMemAllocFailure );
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err = Kern::DfcQCreate( iP2PDfcQueList[ MP2PChRouterIf::EP2PLddDfcThread ], KDefaultDfcThreadPriority, &KP2PLddDfcQThreadName );
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ASSERT_RESET_ALWAYS( iP2PDfcQueList[ MP2PChRouterIf::EP2PLddDfcThread ], EP2PRouterMemAllocFailure1 );
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iInitDfc = new TDfc( InitDfc, this, iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDfcPriority );
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ASSERT_RESET_ALWAYS( iInitDfc, EP2PRouterMemAllocFailure2 );
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iInitDfc->Enque();
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C_TRACE( ( _T( "DP2PRouter::DP2PRouter<" ) ) );
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}
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DP2PRouter::~DP2PRouter(
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// None
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)
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{
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C_TRACE( ( _T( "DP2PRouter::~DP2PRouter>" ) ) );
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iSelfPtr = NULL;
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delete iShChannelTableFastMutex;
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iShChannelTableFastMutex = NULL;
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// owning so deleting
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for( TInt i( 0 ); i < EP2PAmountOfProtocols; i++ )
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{
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MP2PRouterLinkIf* temp = iLinksArray[ i ];
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temp->Release();
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temp = NULL;
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iLinksArray[ i ] = NULL;
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}
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delete []iLinksArray;
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delete []iP2PDfcQueList;
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iInitDfc->Cancel();
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delete iInitDfc;
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iInitDfc = NULL;
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iTrxPrecentDfc->Cancel();
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delete iTrxPrecentDfc;
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iTrxPrecentDfc = NULL;
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iTrxNotPrecentDfc->Cancel();
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delete iTrxNotPrecentDfc;
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iTrxNotPrecentDfc = NULL;
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C_TRACE( ( _T( "DP2PRouter::~DP2PRouter<" ) ) );
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}
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// From MP2PLinkRouterIf start
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// Called with FM held, no blocking no nesting, allocation etc.. just enque dfc.
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void DP2PRouter::NotifyTrxPresenceEnqueDfc(
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TBool aPresent
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)
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{
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// No traces allowed due to no blocking.
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if( aPresent )
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{
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iTrxPrecentDfc->Enque();
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}
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else
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{
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iTrxNotPrecentDfc->Enque();
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}
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}
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// Called in some thread contextes
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void DP2PRouter::Receive(
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TDes8& aMsg,
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const TUint8 aProtocolId
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)
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{
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C_TRACE( ( _T( "DP2PRouter::Receive 0x%x %d>" ), &aMsg, aProtocolId ) );
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ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam | EDP2PRouterTraceId << KClassIdentifierShift ) );
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NKern::FMWait( iShChannelTableFastMutex );
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MP2PRouterChIf* channel = iShChannelTable[ aProtocolId ].iChannel;
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if( channel )
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{
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NKern::FMSignal( iShChannelTableFastMutex );
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// This functions calling thread shall content with channels thread.
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channel->ReceiveMsg( aMsg );
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}
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else
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{
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NKern::FMSignal( iShChannelTableFastMutex );
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// Discard incoming messages without a receiving point channel open.
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TRACE_ASSERT_ALWAYS;
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MemApi::DeallocBlock( aMsg );
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}
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C_TRACE( ( _T( "DP2PRouter::Receive 0x%x %d<" ), &aMsg, aProtocolId ) );
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}
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// From MP2PLinkRouterIf end
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// From MP2PChRouterIf start
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void DP2PRouter::Open(
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const TUint8 aProtocolId,
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MP2PRouterChIf* aCallback
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)
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{
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C_TRACE( ( _T( "DP2PRouter::Open %d>" ), aProtocolId ) );
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// TODO : assert to check always called in p2p extension thread context
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ASSERT_RESET_ALWAYS( aCallback, EP2PRouterNullParam );
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ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam2 | EDP2PRouterTraceId << KClassIdentifierShift ) );
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ASSERT_RESET_ALWAYS( iLinksArray[ aProtocolId ], ( EP2PRouterWrongParam3 | EDP2PRouterTraceId << KClassIdentifierShift ) );
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if( iLinksArray[ aProtocolId ]->TrxPresent() )
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{
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C_TRACE( ( _T( "DP2PRouter::Open ok %d" ), aProtocolId ) );
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NKern::FMWait( iShChannelTableFastMutex );
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// Channel with the same protocol id is already opened or waiting to complete the opening.
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if( iShChannelTable[ aProtocolId ].iChannel || iShChannelTable[ aProtocolId ].iWaitingChannel )
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{
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NKern::FMSignal( iShChannelTableFastMutex );
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// If another channel tries to open already open channel.
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TRACE_WARNING( iShChannelTable[ aProtocolId ].iChannel == aCallback, (TUint8)aProtocolId );
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aCallback->EnqueChannelRequestCompleteDfc( EP2PAsyncOpen, KErrInUse );//TODO: synch user and kernel APIs return values
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}
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else
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{
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iShChannelTable[ aProtocolId ].iChannel = aCallback;
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NKern::FMSignal( iShChannelTableFastMutex );
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aCallback->EnqueChannelRequestCompleteDfc( EP2PAsyncOpen, KErrNone );
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}
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}
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else
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{
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C_TRACE( ( _T( "DP2PRouter::Open pending %d" ), aProtocolId ) );
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ASSERT_RESET_ALWAYS( !iShChannelTable[ aProtocolId ].iWaitingChannel, EP2PRouterWrongRequest );
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NKern::FMWait( iShChannelTableFastMutex );
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iShChannelTable[ aProtocolId ].iWaitingChannel = aCallback;
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NKern::FMSignal( iShChannelTableFastMutex );
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}
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C_TRACE( ( _T( "DP2PRouter::Open %d<" ), aProtocolId ) );
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}
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void DP2PRouter::Close(
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const TUint8 aProtocolId
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)
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{
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C_TRACE( ( _T( "DP2PRouter::Close %d>" ), aProtocolId ) );
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// TODO : assert to check always called in p2p extension thread context
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ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam4 | EDP2PRouterTraceId << KClassIdentifierShift ) );
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NKern::FMWait( iShChannelTableFastMutex );
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if( iShChannelTable[ aProtocolId ].iChannel || iShChannelTable[ aProtocolId ].iWaitingChannel )
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{
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iShChannelTable[ aProtocolId ].iChannel = NULL;
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iShChannelTable[ aProtocolId ].iWaitingChannel = NULL;
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}
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NKern::FMSignal( iShChannelTableFastMutex );
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C_TRACE( ( _T( "DP2PRouter::Close<" ) ) );
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}
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// Shall be called from P2P ext router thread context only.
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TBool DP2PRouter::ConnectionExist(
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const TUint8 aProtocolId
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)
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{
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C_TRACE( ( _T( "DP2PRouter::ConnectionExists %d<>" ), aProtocolId ) );
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ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam5 | EDP2PRouterTraceId << KClassIdentifierShift ) );
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ASSERT_RESET_ALWAYS( iLinksArray[ aProtocolId ], ( EP2PRouterWrongParam6 | EDP2PRouterTraceId << KClassIdentifierShift ) );
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return iLinksArray[ aProtocolId ]->TrxPresent();
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}
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TDfcQue* DP2PRouter::GetDfcThread(
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const TP2PDfcThread anIndex
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)
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{
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C_TRACE( ( _T( "DP2PRouter::GetDfcThread<>" ) ) );
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ASSERT_RESET_ALWAYS( anIndex < EAmountOfP2PDfcThreads, EP2PRouterWrongRequest2 );
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ASSERT_RESET_ALWAYS( iP2PDfcQueList[ anIndex ], EP2PRouterMemAllocFailure6 );
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return iP2PDfcQueList[ anIndex ];
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}
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MP2PChRouterIf* MP2PChRouterIf::GetIf()
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{
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C_TRACE( ( _T( "MP2PChRouterIf::GetIf<>" ) ) );
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return DP2PRouter::GetRouter();
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}
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TInt DP2PRouter::Send(
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TDes8& aMessage,
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const TUint8 aProtocolId
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)
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{
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C_TRACE( ( _T( "DP2PRouter::Send 0x%x>" ), &aMessage ) );
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// TODO : assert to check always called in p2p extension thread context
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// Inside link array limits, if not programmer error.
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ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam7 | EDP2PRouterTraceId << KClassIdentifierShift ) );
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MP2PRouterLinkIf* link = iLinksArray[ aProtocolId ];
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ASSERT_RESET_ALWAYS( link, ( EP2PRouterWrongParam8 | EDP2PRouterTraceId << KClassIdentifierShift ) );
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TInt sendResult( KErrNone );
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if( link->TrxPresent() )
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{
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link->Send( aMessage );
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}
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else
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{
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TRACE_ASSERT_ALWAYS;
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// Discard send block if connection lost
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MemApi::DeallocBlock( aMessage );
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sendResult = KErrNotReady;
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}
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C_TRACE( ( _T( "DP2PRouter::Send 0x%x %d<" ), &aMessage, sendResult ) );
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return sendResult;
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}
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// From MP2PChRouterIf end
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// privates start
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void DP2PRouter::Init(
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// None
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)
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{
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C_TRACE( ( _T( "DP2PRouter::Init>" ) ) );
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iLinksArray = new MP2PRouterLinkIf*[ EP2PAmountOfProtocols ];
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ASSERT_RESET_ALWAYS( iLinksArray, ( EP2PRouterOverTheLimits | EDP2PRouterTraceId << KClassIdentifierShift ) );
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// Initialize links
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for( TInt i( 0 ); i < EP2PAmountOfProtocols; i++ )
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{
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iLinksArray[ i ] = NULL;
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C_TRACE( ( _T( "DP2PRouter::DP2PRouter %d" ), i ) );
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}
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// Initialize channels
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for( TInt i( 0 ); i < EP2PAmountOfProtocols; ++i )
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{
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iShChannelTable[ i ].iChannel = NULL;
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iShChannelTable[ i ].iWaitingChannel = NULL;
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}
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// TODO:do more clever way to create links.
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// Configuration of links.
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iLinksArray[ EP2PRpc ] = MP2PRouterLinkIf::CreateLinkF( this, EP2PRpc, ETrxTest );
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iLinksArray[ EP2PTest ] = MP2PRouterLinkIf::CreateLinkF( this, EP2PTest, ETrxTest );
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iLinksArray[ EP2PTest2 ] = MP2PRouterLinkIf::CreateLinkF( this, EP2PTest2, ETrxTest );
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iTrxPrecentDfc = new TDfc( TrxPrecentDfc, this, iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDfcPriority );
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iTrxNotPrecentDfc = new TDfc( TrxNotPrecentDfc, this, iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDfcPriority );
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iShChannelTableFastMutex = new NFastMutex();
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ASSERT_RESET_ALWAYS( ( iTrxNotPrecentDfc && iTrxPrecentDfc && iShChannelTableFastMutex ), EP2PRouterMemAllocFailure4 );
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iSelfPtr = this;
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C_TRACE( ( _T( "DP2PRouter::Init<" ) ) );
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}
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void DP2PRouter::InitDfc(
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TAny* aPtr
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)
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{
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C_TRACE( ( _T( "DP2PRouter::InitDfc>" ) ) );
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DP2PRouter* self = reinterpret_cast<DP2PRouter*>( aPtr );
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self->Init();
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C_TRACE( ( _T( "DP2PRouter::InitDfc<" ) ) );
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}
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void DP2PRouter::TrxPrecentDfc(
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TAny* aPtr
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)
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{
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C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc>" ) ) );
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DP2PRouter& self = *reinterpret_cast<DP2PRouter*>( aPtr );
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// Notify all the protocols channel objects of the change of the presence.
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for( TUint8 i( 0 ); i < EP2PAmountOfProtocols; i++ )
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{
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TUint8 protocolId( i );
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C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc Trx present id=0x%x" ), protocolId ) );
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NKern::FMWait( self.iShChannelTableFastMutex );
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MP2PRouterChIf* waitingChannel = self.iShChannelTable[ protocolId ].iWaitingChannel;
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if( waitingChannel )
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{
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self.iShChannelTable[ protocolId ].iChannel = waitingChannel;
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NKern::FMSignal( self.iShChannelTableFastMutex );
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C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc channel open waiting %d>" ), protocolId ) );
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waitingChannel->EnqueChannelRequestCompleteDfc( EP2PAsyncOpen, KErrNone );
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}
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else
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{
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// No need to inform presence, when connection is lost it is closed too and must be opened again.
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NKern::FMSignal( self.iShChannelTableFastMutex );
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C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc nothing waiting %d>" ), protocolId ) );
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}
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}
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C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc<" )) );
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}
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void DP2PRouter::TrxNotPrecentDfc(
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TAny* aPtr
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)
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{
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373 |
C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc>" ) ) );
|
|
374 |
DP2PRouter& self = *reinterpret_cast<DP2PRouter*>( aPtr );
|
|
375 |
// Notify all the protocols channel objects of the change of the presence.
|
|
376 |
for( TUint8 i( 0 ); i < EP2PAmountOfProtocols; i++ )
|
|
377 |
{
|
|
378 |
TUint8 protocolId( i );
|
|
379 |
C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc Trx lost id=0x%x" ), protocolId ) );
|
|
380 |
// Notifying channel that connection is lost and discard any received messages.
|
|
381 |
NKern::FMWait( self.iShChannelTableFastMutex );
|
|
382 |
MP2PRouterChIf* channel = self.iShChannelTable[ protocolId ].iChannel;
|
|
383 |
if( channel )
|
|
384 |
{
|
|
385 |
NKern::FMSignal( self.iShChannelTableFastMutex );
|
|
386 |
C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc Trx lost channel found for id=0x%x" ), protocolId ) );
|
|
387 |
channel->ConnectionLost();
|
|
388 |
}
|
|
389 |
else
|
|
390 |
{
|
|
391 |
NKern::FMSignal( self.iShChannelTableFastMutex );
|
|
392 |
C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc Trx lost no channel found for id=0x%x" ), protocolId ) );
|
|
393 |
}
|
|
394 |
}
|
|
395 |
C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc<" )) );
|
|
396 |
|
|
397 |
}
|
|
398 |
// privates end
|
|
399 |
|
|
400 |
DECLARE_STANDARD_EXTENSION()
|
|
401 |
{
|
|
402 |
|
|
403 |
Kern::Printf( "P2Prouter extension>" );
|
|
404 |
// Create a container extension
|
|
405 |
DP2PRouter* extension = new DP2PRouter();
|
|
406 |
TRACE_ASSERT( extension );
|
|
407 |
Kern::Printf( "P2Prouter extension<" );
|
|
408 |
return extension ? KErrNone : KErrNoMemory;
|
|
409 |
|
|
410 |
}
|
|
411 |
|
|
412 |
DECLARE_EXTENSION_LDD()
|
|
413 |
{
|
|
414 |
|
|
415 |
Kern::Printf( "P2Prouter ldd>" );
|
|
416 |
DLogicalDevice* device = new DP2PDevice;
|
|
417 |
TRACE_ASSERT( device );
|
|
418 |
Kern::Printf( "P2Prouter ldd 0x%x<", device );
|
|
419 |
return( device );
|
|
420 |
|
|
421 |
}
|
|
422 |
|