--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/isce/isirouter_dll/src/isilink.cpp	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,141 @@
+/*
+* 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 "isilink.h"            // For DISILink
+#include "iscedefs.h"           // For EMuxISI...
+#include "mlinkmuxif.h"         // For MLinkMuxIf
+#include "isiroutertrace.h"     // For C_TRACE, ASSERT_RESET.. and fault codes
+#include "misilinkrouterif.h"   // For MISILinkRouterIf
+#include "isihelpers.h"         // For ISI_HEADER_OFFSET_MEDIA
+
+
+// Faults
+enum TISILinkFaults
+    {
+    EISILinkNullPtr = 0x01,
+    EISILinkMemAllocFailed,
+    EISILinkInitFailed,
+    EISILinkInitFailed2,
+    EISILinkRegisterFailed,
+    EISILinkWrongMedia,
+    EISILinkTrxPresenceSyncFailed,
+    };
+
+
+MISIRouterLinkIf* MISIRouterLinkIf::CreateLinkF(
+        MISILinkRouterIf* aRouter,
+        const TUint8 aMediaId,
+        const TUint8 aTrxId
+        )
+    {
+    C_TRACE( ( _T( "MISIRouterLinkIf::CreateLinkF 0x%x %d %d>" ), aRouter, aMediaId, aTrxId ) );
+    ASSERT_RESET_ALWAYS( aRouter, ( EISILinkNullPtr | EDISILinkTraceId << KClassIdentifierShift ) );
+    DISILink* link = new DISILink( aRouter, aMediaId, aTrxId );
+    ASSERT_RESET_ALWAYS( link, ( EISILinkMemAllocFailed | EDISILinkTraceId << KClassIdentifierShift ) );
+    C_TRACE( ( _T( "MISIRouterLinkIf::CreateLinkF 0x%x %d %d created 0x%x<" ), aRouter, aMediaId, aTrxId, link ) );
+    return link;
+    }
+
+DISILink::DISILink(
+        ) : iRouter( NULL ),
+            iMux( NULL ),
+            iTrxPresent( EFalse )
+    {
+    C_TRACE( ( _T( "DISILink::DISILink 0x%x>" ), this ) );
+    iMediaId = 0; // TODO change to PN_MEDIA_NOT_USED when bridge supports this
+    C_TRACE( ( _T( "DISILink::DISILink 0x%x<" ), this ) );
+    }
+
+DISILink::DISILink(
+        MISILinkRouterIf* aRouter,
+        const TUint8 aMediaId,
+        const TUint8 aTrxId
+        ) : iRouter( aRouter ),
+            iMediaId( aMediaId ),
+            iTrxId( aTrxId )
+    {
+    C_TRACE( ( _T( "DISILink::DISILink 0x%x mediaid %d trxid %d>" ), this, aMediaId, aTrxId ) );
+    // ISI Media
+    iMux = MLinkMuxIf::Register( this, aTrxId, EMuxISI );
+    ASSERT_RESET_ALWAYS( aRouter, ( EISILinkRegisterFailed | EDISILinkTraceId << KClassIdentifierShift ) );
+    C_TRACE( ( _T( "DISILink::DISILink 0x%x mediaid %d trxid %d<" ), this, iMediaId, iTrxId ) );
+    }
+
+DISILink::~DISILink()
+    {
+    C_TRACE( ( _T( "DISILink::~DISILink 0x%x>" ), this ) );
+    iMux = NULL;
+    iRouter = NULL;
+    C_TRACE( ( _T( "DISILink::~DISILink 0x%x<" ), this ) );
+    }
+
+// From MMuxLinkIf start
+void DISILink::Receive(
+        TDes8& aMsg
+        )
+    {
+    C_TRACE( ( _T( "DISILink::Receive 0x%x 0x%x>" ), this, &aMsg ) );
+    ASSERT_RESET_ALWAYS( iMux, ( EISILinkInitFailed | EDISILinkTraceId << KClassIdentifierShift ) );
+    ASSERT_RESET_ALWAYS( aMsg.Ptr()[ ISI_HEADER_OFFSET_MEDIA ] == iMediaId, ( EISILinkWrongMedia | aMsg.Ptr()[ 0 ] << KMediaIdShift | EDISILinkTraceId << KClassIdentifierShift ) );
+    iRouter->RouteISIMessage( aMsg );
+    C_TRACE( ( _T( "DISILink::Receive 0x%x 0x%x<" ), this, &aMsg ) );
+    }
+
+/*
+* Called with FM held, no blocking no nesting of FMs and no allocation.
+*/
+void DISILink::EnqueTrxPresenceChangedDfc(
+        TBool aPresent
+        )
+    {
+    // No traces allowed due to not allowed to block.
+    ASSERT_RESET_ALWAYS( ( iTrxPresent != aPresent ), ( EISILinkTrxPresenceSyncFailed | EDISILinkTraceId << KClassIdentifierShift ) );
+    iTrxPresent = aPresent;
+    }
+// From MMuxLinkIf end
+
+// From MISIRouterLinkIf start
+void DISILink::Release(
+        // None
+        )
+    {
+    C_TRACE( ( _T( "DISILink::Release 0x%x>" ), this ) );
+    delete this;
+    C_TRACE( ( _T( "DISILink::Release 0x%x<" ), this ) );
+    }
+
+TBool DISILink::Send(
+        TDes8& aMsg
+        )
+    {
+    C_TRACE( ( _T( "DISILink::Send 0x%x 0x%x>" ), this, &aMsg  ) );
+    ASSERT_RESET_ALWAYS( iMux, ( EISILinkInitFailed2 | EDISILinkTraceId << KClassIdentifierShift ) );
+    if( iTrxPresent )
+        {
+        TUint8* msgPtr = const_cast<TUint8*>( aMsg.Ptr() );
+        msgPtr[ ISI_HEADER_OFFSET_MEDIA ] = iMediaId;
+        // Send with default prio.
+        iMux->Send( aMsg, EMuxISI );
+        C_TRACE( ( _T( "DISILink::Send ok 0x%x %d 0x%x<" ), this, iTrxPresent, &aMsg) );
+        return ETrue;
+        }
+    C_TRACE( ( _T( "DISILink::Send failed 0x%x %d 0x%x<" ), this, iTrxPresent, &aMsg) );
+    return EFalse;
+    }
+// From MISIRouterLinkIf end