natfw/natfwconnectionmultiplexer/src/cncmlocaladdressresolver.cpp
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwconnectionmultiplexer/src/cncmlocaladdressresolver.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,169 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:    Connection multiplexer local IP resolver
+*
+*/
+
+
+
+
+#include "cncmlocaladdressresolver.h"
+#include "ncmconnectionmultiplexerlogs.h"
+
+// ---------------------------------------------------------------------------
+// CNcmLocalAddressResolver::CNcmLocalAddressResolver
+// ---------------------------------------------------------------------------
+//
+CNcmLocalAddressResolver::CNcmLocalAddressResolver(
+    RSocketServ& aSocketServ ) : iSocketServ( aSocketServ )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNcmLocalAddressResolver::NewL
+// ---------------------------------------------------------------------------
+//
+CNcmLocalAddressResolver* CNcmLocalAddressResolver::NewL(
+    RSocketServ& aSocketServ )
+    {   
+    CNcmLocalAddressResolver* self = NewLC( aSocketServ );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNcmLocalAddressResolver::NewLC
+// ---------------------------------------------------------------------------
+//
+CNcmLocalAddressResolver* CNcmLocalAddressResolver::NewLC(
+    RSocketServ& aSocketServ )
+    {
+    CNcmLocalAddressResolver* self =
+        new ( ELeave ) CNcmLocalAddressResolver( aSocketServ );
+    CleanupStack::PushL(self);
+    return self;
+    }  
+
+    
+// ---------------------------------------------------------------------------
+// CNcmLocalAddressResolver::~CNcmLocalAddressResolver
+// ---------------------------------------------------------------------------
+//
+CNcmLocalAddressResolver::~CNcmLocalAddressResolver()
+    {
+    }
+
+
+// -----------------------------------------------------------------------------
+// CNcmLocalAddressResolver::GetLocalAddrL
+// -----------------------------------------------------------------------------
+//
+void CNcmLocalAddressResolver::GetLocalAddrL( TInetAddr& aIPv4Addr,
+    TInetAddr& aIPv6Addr, TUint32 aIap )
+    {
+    iIPv6Addr.Init( KAFUnspec );
+    iIPv4Addr.Init( KAFUnspec );
+          
+    RSocket socket;
+    CleanupClosePushL( socket );
+    
+    User::LeaveIfError( socket.Open(
+        iSocketServ, KAfInet, KSockDatagram, KProtocolInetUdp ) );
+
+    if ( KErrNone == socket.SetOpt( KSoInetEnumInterfaces, KSolInetIfCtrl ) )
+        {
+        TPckgBuf<TSoInetInterfaceInfo> info;
+
+        while ( KErrNone == socket.GetOpt(
+            KSoInetNextInterface, KSolInetIfCtrl, info ) )
+            {
+            TPckgBuf<TSoInetIfQuery> query;
+            query().iName = info().iName;
+
+            if( KErrNone == socket.GetOpt( KSoInetIfQueryByName,
+                KSolInetIfQuery, query ) )
+                {
+                CheckAndSetAddr( info(), query(), aIap );
+                }
+            }
+        }
+
+    aIPv4Addr = iIPv4Addr;
+    aIPv6Addr = iIPv6Addr;
+
+#ifdef _DEBUG
+    TBuf<40> buffer;
+    aIPv6Addr.Output( buffer );
+    RDebug::Print( _L("CNcmLocalAddressResolver::GetLocalAddrL - IPv6 ADDRESS: %S "), &buffer );
+#endif
+
+    CleanupStack::PopAndDestroy( &socket );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CNcmLocalAddressResolver::CheckAndSetAddr
+// -----------------------------------------------------------------------------
+//
+void CNcmLocalAddressResolver::CheckAndSetAddr( 
+    const TSoInetInterfaceInfo& aInfo, const TSoInetIfQuery& aQuery,
+    TUint32 aSpecifiedIap )
+    { 
+    __CONNECTIONMULTIPLEXER_ADDRLOG(
+        "CNcmLocalAddressResolver::CheckAndSetAddr - IPv4 ADDRESS: ", aInfo.iAddress )
+           
+    if ( Match( aInfo, aQuery, aSpecifiedIap ) )
+        {
+        TInetAddr address( aInfo.iAddress );
+
+        if ( address.Family() == KAfInet )
+            {
+            iIPv4Addr = address;
+            }
+        else
+            {
+            iIPv6Addr = address;
+            }
+
+        if ( iIPv4Addr.IsUnspecified() && iIPv6Addr.IsV4Mapped() )
+            {
+            iIPv4Addr = iIPv6Addr;
+            iIPv4Addr.ConvertToV4();            
+            iIPv6Addr = KAFUnspec;
+            }
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CNcmLocalAddressResolver::Match
+// -----------------------------------------------------------------------------
+//
+TBool CNcmLocalAddressResolver::Match(
+    const TSoInetInterfaceInfo& aInfo,
+    const TSoInetIfQuery& aQuery,
+    TUint32 aSpecifiedIap ) const
+    {
+    TBool match = EFalse;
+    if ( !aInfo.iAddress.IsUnspecified() && 
+         !aInfo.iAddress.IsLoopback() &&
+         !aInfo.iAddress.IsLinkLocal() &&
+         aQuery.iZone[1] == aSpecifiedIap )
+        {
+        match = ETrue;
+        }
+    return match;
+    }