diff -r 000000000000 -r 33413c0669b9 vpnengine/kmdserver/src/ikepluginhandler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/kmdserver/src/ikepluginhandler.cpp	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,218 @@
+/*
+* Copyright (c) 2008 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:  Handler of an IKE protocol plugin
+*
+*/
+
+
+#include "ikedebug.h"
+#include "ikeplugindefs.h"
+#include "ikepluginif.h"
+#include "ikepluginsessionhandler.h"
+#include "kmdeventloggerif.h"
+
+// CLASS HEADER
+#include "ikepluginhandler.h"
+
+_LIT( KIkePluginPaths, "" ); // No additional paths.
+_LIT( KIkeV1Library, "ikev1lib" ); 
+_LIT( KIkeV2Library, "ikev2lib" ); 
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CIkePluginHandler* CIkePluginHandler::NewL( TInt aIkeVersion,
+                                            MKmdEventLoggerIf& aEventLogger,
+                                            MIkeDebug& aDebug )
+    {
+    CIkePluginHandler* self = new ( ELeave ) CIkePluginHandler( aIkeVersion,
+                                                                aEventLogger,
+                                                                aDebug );
+    return self;
+    }
+    
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CIkePluginHandler::~CIkePluginHandler()
+    {
+    __ASSERT_DEBUG( iIkePluginSessions.Count() == 0,
+                    User::Invariant() );
+    iIkePluginSessions.Close();    
+    }
+
+// ---------------------------------------------------------------------------
+// Constructor.
+// ---------------------------------------------------------------------------
+//
+CIkePluginHandler::CIkePluginHandler( TInt aIkeVersion,
+                                      MKmdEventLoggerIf& aEventLogger,
+                                      MIkeDebug& aDebug ) 
+ : iIkeVersion( aIkeVersion ),
+   iEventLogger( aEventLogger ),
+   iDebug( aDebug )
+    {
+    __ASSERT_DEBUG( ( iIkeVersion == KIkeV1 ||
+                      iIkeVersion == KIkeV2 ),
+                      User::Invariant() );
+    }    
+
+// ---------------------------------------------------------------------------
+// Creates IKE plugin session.
+// ---------------------------------------------------------------------------
+//
+CIkePluginSessionHandler& CIkePluginHandler::CreateIkePluginSessionL( TUint32 aVpnIapId,
+                                                                      TUint32 aVpnNetId,
+                                                                      TUint32 aVpnInterfaceIndex,
+                                                                      IkeSocket::TIpVersion aIpVersion,
+                                                                      const TInetAddr& aDnsServer,
+                                                                      CIkeConnectionInterface& aConnection,
+                                                                      MIkePluginSessionHandlerCallback& aCallback )            
+    {
+    CIkePluginSessionHandler* sessionHandler = NULL;    
+    TRAPD( err, sessionHandler = &DoCreateIkePluginSessionL( aVpnIapId,
+                                                             aVpnNetId,
+                                                             aVpnInterfaceIndex,
+                                                             aIpVersion,
+                                                             aDnsServer,
+                                                             aConnection,
+                                                             aCallback ) );
+    
+    if ( err != KErrNone )
+        {        
+        DeleteIkePluginSession( aVpnIapId );
+        User::Leave( err );
+        }
+    
+    return *sessionHandler;
+    }
+
+// ---------------------------------------------------------------------------
+// Deletes IKE plugin session. IKE plugin is unloaded if there are no more
+// sessions.
+// ---------------------------------------------------------------------------
+//
+void CIkePluginHandler::DeleteIkePluginSession( TUint32 aVpnIapId )
+    {
+    TInt count = iIkePluginSessions.Count();
+    
+    for ( TInt i=0; i<count; i++ )
+        {
+        if ( iIkePluginSessions[i]->VpnIapId() == aVpnIapId )
+            {
+            CIkePluginSessionHandler* sessionHandler = iIkePluginSessions[i];
+            iIkePluginSessions.Remove( i );
+            delete sessionHandler;
+            sessionHandler = NULL;            
+            break;
+            }
+        }
+    
+    if ( iIkePluginSessions.Count() == 0 )
+        {
+        UnloadIkePlugin();
+        }
+    }
+	
+// ---------------------------------------------------------------------------
+// Creates IKE plugin session. IKE plugin is loaded if not yet loaded.
+// ---------------------------------------------------------------------------
+//
+CIkePluginSessionHandler& CIkePluginHandler::DoCreateIkePluginSessionL( TUint32 aVpnIapId,
+                                                                        TUint32 aVpnNetId,
+                                                                        TUint32 aVpnInterfaceIndex,
+                                                                        IkeSocket::TIpVersion aIpVersion,
+                                                                        const TInetAddr& aDnsServerAddr,
+                                                                        CIkeConnectionInterface& aConnection,
+                                                                        MIkePluginSessionHandlerCallback& aCallback )            
+    {
+    if ( iIkePluginSessions.Count() == 0 )
+        {
+        LoadIkePluginL();
+        }
+    
+    CIkePluginSessionHandler* sessionHandler = CIkePluginSessionHandler::NewLC( aVpnIapId,
+                                                                                aVpnNetId,
+                                                                                aVpnInterfaceIndex,
+                                                                                IkeSocket::TIkeMajorVersion(iIkeVersion),
+                                                                                aIpVersion,
+                                                                                aDnsServerAddr,
+                                                                                aConnection,
+                                                                                *iIkePlugin,
+                                                                                aCallback,
+                                                                                iDebug );   
+    iIkePluginSessions.AppendL( sessionHandler );
+    CleanupStack::Pop( sessionHandler );
+    
+    return *sessionHandler;
+    }
+
+// ---------------------------------------------------------------------------
+// Loads IKE plugin.
+// ---------------------------------------------------------------------------
+//
+void CIkePluginHandler::LoadIkePluginL()
+    {	
+    TInt status( KErrNone );
+        
+    switch( iIkeVersion )
+        {
+        case KIkeV1:
+            {
+            TUidType uidType( KIkePluginUid1, KIkePluginUid2, KIkeV1PluginUid3 );
+            status = iLibrary.Load( KIkeV1Library, KIkePluginPaths, uidType );            
+            break;
+            }
+        case KIkeV2:
+            {
+            TUidType uidType( KIkePluginUid1, KIkePluginUid2, KIkeV2PluginUid3 );
+            status = iLibrary.Load( KIkeV2Library, KIkePluginPaths, uidType );            
+            break;            
+            }
+        default:
+            {
+            status = KErrNotSupported;
+            break;
+            }        
+        }
+    
+    DEBUG_LOG2( _L("Loading IKE plugin library, IKE version=%d, status=%d"), iIkeVersion, status );    
+    User::LeaveIfError( status );
+    
+    CreateIkePluginL factoryMethodL  = reinterpret_cast<CreateIkePluginL>( iLibrary.Lookup(1) );    
+    TRAPD( err, ( iIkePlugin = factoryMethodL( iEventLogger, iDebug ) ) );
+    if ( err != KErrNone )
+        {
+        DEBUG_LOG1( _L("Could not create IKE plugin, err=%d"), err );
+        UnloadIkePlugin();
+        User::Leave( err );
+        }    
+    }
+
+// ---------------------------------------------------------------------------
+// Unloads IKE plugin.
+// ---------------------------------------------------------------------------
+//
+void CIkePluginHandler::UnloadIkePlugin()
+    {
+    DEBUG_LOG1( _L("Unloading IKE Plugin library, IKE version=%d"), iIkeVersion );
+    delete iIkePlugin;
+    iIkePlugin = NULL;
+    iLibrary.Close();    
+    }
+