--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/isce/isaaccessextension_dll/src/isaaccessextension.cpp	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description: 
+*
+*/
+
+
+#include <kernel.h>                 // For Kern
+#include "isaaccessextension.h"
+#include "iadtrace.h"               // For C_TRACE..
+#include "router.h"                 // For DRouter
+
+// CONSTS
+// Priorities to DFC queues
+const TInt KIADLddPrioriAdd( 0 );
+const TInt KIADExtensionPrioriAdd( 0 );
+
+DRouter* DIsaAccessExtension::iRouter = NULL;
+TDfcQue* DIsaAccessExtension::iDfcQueueList[ EIADSizeOfDfcThreadList ] = { NULL, NULL };
+
+// Internal fault codes.
+enum TIADExtensionFaults
+    {
+    EIADDFCThreadCreationFailed = 1,
+    EIADDFCThreadGetFailed = 2,
+    };
+
+DIsaAccessExtension::DIsaAccessExtension
+        (
+        // None
+        )
+    {
+
+    C_TRACE( ( _T( "DIsaAccessExtension::DIsaAccessExtension ->" ) ) );
+    // One above DFCQue0 (27)
+    TInt defaultDfcPriority( 27 ); //TODO: NOTE!!! change to use DFCQue0 priority if possible //Kern::DfcQue0()->iThread->iPriority; NOTE!! IST prios
+    // LDD DFC queue.
+    TDfcQue* lddTDfcQueue = NULL;
+    ASSERT_RESET_ALWAYS( KErrNone == Kern::DfcQCreate( lddTDfcQueue, defaultDfcPriority + KIADLddPrioriAdd, &KIADLddDfc ), EIADDFCThreadCreationFailed );
+    iDfcQueueList[ EIADLddDfcQueue ] = lddTDfcQueue; 
+    // Extension DFC queue.
+    TDfcQue* extensionTDfcQueue = NULL;
+    ASSERT_RESET_ALWAYS( KErrNone == Kern::DfcQCreate( extensionTDfcQueue, defaultDfcPriority + KIADExtensionPrioriAdd, &KIADExtensionDfc ), EIADDFCThreadCreationFailed );
+    iDfcQueueList[ EIADExtensionDfcQueue ] = extensionTDfcQueue; 
+    C_TRACE( ( _T( "DIsaAccessExtension::DIsaAccessExtension <-" ) ) );
+    iRouter = new DRouter();
+    ASSERT_RESET_ALWAYS( iRouter, EIADMemoryAllocationFailure | EIADFaultIdentifier4 << KFaultIdentifierShift );
+//    _LIT8( KIADCOMPONAME, "ISA ACCESS DRIVER" );
+    //BUILD_TRACE( KIADCOMPONAME() );
+
+    }
+
+DIsaAccessExtension::~DIsaAccessExtension
+        (
+        // None
+        )
+    {
+
+    C_TRACE( ( _T( "DIsaAccessExtension::~DIsaAccessExtension ->" ) ) );
+    // Never unloaded so no actual need for these, but we could test memory allocations
+    // and deallocations if we destroy this extension in test code.
+    delete iRouter;
+    iRouter = NULL;
+    for( TInt i( 0 ); i < EIADSizeOfDfcThreadList; ++i )
+        {
+        TDfcQue* dfcQueueToBeDeleted = GetDFCThread( static_cast< TIADDfcThread >( i ) );
+        ASSERT_RESET_ALWAYS( dfcQueueToBeDeleted, EIADDFCThreadGetFailed | EIADFaultIdentifier1 << KFaultIdentifierShift );
+        delete dfcQueueToBeDeleted;
+        dfcQueueToBeDeleted = NULL;
+        }
+    iDfcQueueList[ EIADLddDfcQueue ] = NULL;
+    iDfcQueueList[ EIADExtensionDfcQueue ] = NULL;
+    C_TRACE( ( _T( "DIsaAccessExtension::~DIsaAccessExtension <-" ) ) );
+
+    }
+
+
+EXPORT_C MChannel2IADApi* DIsaAccessExtension::GetChannel2IADApi
+        (
+        // None
+        )
+    {
+
+    C_TRACE( ( _T( "DIsaAccessExtension::::GetChannel2IADApi 0x%x <->" ), iRouter ) );
+    return iRouter;
+
+    }
+
+EXPORT_C TDfcQue* DIsaAccessExtension::GetDFCThread
+        (
+        TIADDfcThread aDfcThread
+        )
+    {
+
+    C_TRACE( ( _T( "DIsaAccessExtension::GetDFCThread <->" ) ) );
+    ASSERT_RESET_ALWAYS( ( EIADLddDfcQueue == aDfcThread || EIADExtensionDfcQueue == aDfcThread ), EIADDFCThreadGetFailed | EIADFaultIdentifier2 << KFaultIdentifierShift );
+    // Ownership not given to caller.
+    return iDfcQueueList[ aDfcThread ];
+
+    }
+
+DECLARE_STANDARD_EXTENSION()
+    {
+
+    Kern::Printf( "ISA Access Extension" );
+    C_TRACE( ( _T( "DIsaAccessExtension EntryPoint ->" ) ) );
+    // Create a container extension
+    DIsaAccessExtension* extension = new DIsaAccessExtension();
+    TRACE_ASSERT( extension );
+    C_TRACE( ( _T( "DIsaAccessExtension EntryPoint <-" ) ) );
+    return extension ? KErrNone : KErrNoMemory;
+
+    }