--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmcemediamanager/src/mcenatpluginmanager.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,448 @@
+/*
+* Copyright (c) 2005 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:  
+*
+*/
+
+
+
+#include <e32def.h>
+#include <badesca.h>
+#include <ecom/ecom.h>
+#include <in_pkt.h>
+#include <sdpdocument.h>
+#include "mcenatpluginmanager.h"
+#include "mcemmlogs.h"
+#include "mcecomsession.h"
+#include "mceloglineparser.h"
+
+const TUint KProtocolUdp = 2;
+    
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::NewL
+// -----------------------------------------------------------------------------
+//
+CMceNatPluginManager* CMceNatPluginManager::NewL()
+    {
+    CMceNatPluginManager* self = new (ELeave) CMceNatPluginManager();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceNatPluginManager::ConstructL()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::CMceNatPluginManager
+// -----------------------------------------------------------------------------
+//
+CMceNatPluginManager::CMceNatPluginManager()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::~CMceNatPluginManager
+// -----------------------------------------------------------------------------
+//
+CMceNatPluginManager::~CMceNatPluginManager()
+    {
+    if( iPlugin )
+        {
+        delete iPlugin;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::GetPluginL
+// -----------------------------------------------------------------------------
+//
+void CMceNatPluginManager::GetPluginL()
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::GetPluginL, Entry" );
+    
+    if ( NULL == iPlugin )
+        {
+        MCEMM_DEBUG( "********* CMceNatPluginManager::GetPluginL, INIT" )
+
+	    RImplInfoPtrArray infoArray;
+	    CleanupStack::PushL( TCleanupItem( ResetAndDestroyInfo, &infoArray ) );
+	    REComSession::ListImplementationsL( KNSPPluginIFUid, infoArray );    
+
+	    if ( infoArray.Count() > 0 && infoArray[ 0 ] )
+	        {
+		    iPlugin = reinterpret_cast< CNSPPlugin* >(
+			    REComSession::CreateImplementationL(
+				    infoArray[0]->ImplementationUid(),
+				    _FOFF( CNSPPlugin, iDtor_ID_Key ) ) );
+	        }
+	    else
+	        {
+	        User::Leave( KErrNotFound );
+	        }
+	    CleanupStack::Pop(); // TCleanupItem
+	    infoArray.ResetAndDestroy();
+        }
+    
+    MCEMM_DEBUG( "********* CMceNatPluginManager::GetPluginL, Exit" );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::NewSessionL
+// -----------------------------------------------------------------------------
+//
+TInt CMceNatPluginManager::NewSessionL( MNSPSessionObserver& aNatSessionObserver,
+        TUint32 aIapId, const TDesC8& aDomain )
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::NewSessionL, Entry" );
+    
+    TUint sessionId( 0 );
+    
+    if ( NULL != iPlugin )
+        {
+        sessionId = iPlugin->NewSessionL( aNatSessionObserver,
+                aIapId, aDomain, KProtocolUdp );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    MCEMM_DEBUG_DVALUE( "********* CMceNatPluginManager::NewSessionL, Exit, sessionId", 
+                        sessionId );
+    
+    return sessionId;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::CloseSessionL
+// -----------------------------------------------------------------------------
+//
+void CMceNatPluginManager::CloseSessionL( TUint aSessionId )
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::CloseSessionL, Entry" );
+    
+    if ( NULL != iPlugin )
+        {
+        iPlugin->CloseSessionL( aSessionId );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    MCEMM_DEBUG( "********* CMceNatPluginManager::CloseSessionL, Exit" );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::CreateOfferL
+// -----------------------------------------------------------------------------
+//
+TNatReturnStatus CMceNatPluginManager::CreateOfferL( 
+    TUint aSessionId,
+    CSdpDocument*& aOffer )
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::CreateOfferL, Entry" );
+   
+    WriteSdpToLog( _L("Offer on entry"), aOffer );
+    
+    TNatReturnStatus status = KErrNotFound;
+    
+    if ( NULL != iPlugin )
+        {
+        status = iPlugin->CreateOfferL( aSessionId, aOffer );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    WriteSdpToLog( _L("Offer on exit"), aOffer );
+    
+    MCEMM_DEBUG_DVALUE( "********* CMceNatPluginManager::CreateOfferL, Exit(status)=", status );
+    
+    return status;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::ResolveL
+// -----------------------------------------------------------------------------
+//
+TNatReturnStatus CMceNatPluginManager::ResolveL( 
+    TUint aSessionId,
+    CSdpDocument*& aOffer,
+    CSdpDocument*& aAnswer )
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::ResolveL, Entry" );
+    
+    WriteSdpToLog( _L("Offer on entry"), aOffer );
+    
+    WriteSdpToLog( _L("Answer on entry"), aAnswer );
+    
+    TNatReturnStatus status = KErrNotFound;
+    
+    if ( NULL != iPlugin )
+        {
+        status = iPlugin->ResolveL( aSessionId, aOffer, aAnswer );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    WriteSdpToLog( _L("Offer on exit"), aOffer );
+    
+    WriteSdpToLog( _L("Answer on exit"), aAnswer );    
+    
+    MCEMM_DEBUG_DVALUE( "********* CMceNatPluginManager::ResolveL, Exit(status)=", status );
+    
+    return status;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::DecodeAnswerL
+// -----------------------------------------------------------------------------
+//
+TNatReturnStatus CMceNatPluginManager::DecodeAnswerL( 
+    TUint aSessionId,
+    CSdpDocument*& aAnswer )
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::DecodeAnswerL, Entry" );
+    
+    WriteSdpToLog( _L("Answer on entry"), aAnswer );    
+    
+    TNatReturnStatus status = KErrNotFound;
+    
+    if ( NULL != iPlugin )
+        {
+        status = iPlugin->DecodeAnswerL( aSessionId, aAnswer );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    WriteSdpToLog( _L("Answer on exit"), aAnswer );
+    
+    MCEMM_DEBUG_DVALUE( "********* CMceNatPluginManager::DecodeAnswerL, Exit(status)=", status );
+    
+    return status;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::UpdateL
+// -----------------------------------------------------------------------------
+//
+void CMceNatPluginManager::UpdateL( TUint aSessionId, CSdpDocument*& aOffer )
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::UpdateL, Entry" );
+    
+    WriteSdpToLog( _L("Offer on entry"), aOffer );
+    
+    if ( NULL != iPlugin )
+        {
+        iPlugin->UpdateL( aSessionId, aOffer );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    WriteSdpToLog( _L("Offer on exit"), aOffer );
+    
+    MCEMM_DEBUG( "********* CMceNatPluginManager::UpdateL, Exit" );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::RestartL
+// -----------------------------------------------------------------------------
+//
+TNatReturnStatus CMceNatPluginManager::RestartL( TUint aSessionId )
+    {
+    MCEMM_DEBUG( "********* CMceNatPluginManager::RestartL, Entry" );
+    
+    TNatReturnStatus status = KErrNotFound;
+    
+    if ( NULL != iPlugin )
+        {
+        status = iPlugin->RestartL( aSessionId );
+        }
+    else
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    MCEMM_DEBUG_DVALUE( "********* CMceNatPluginManager::RestartL, Exit(status)=", status );
+    
+    return status;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::NatEnabled
+// -----------------------------------------------------------------------------
+//
+TBool CMceNatPluginManager::NatEnabledL()
+    {
+    TRAPD( error, GetPluginL() );
+    if(KErrNoMemory == error)
+    	{
+    	User::Leave( KErrNoMemory );
+    	}
+    if ( KErrNone == error )
+        {
+        if ( NULL != iPlugin )
+            {
+            MCEMM_DEBUG( "********* CMceNatPluginManager::NatEnabled: TRUE" );
+            return ETrue;
+            }
+        else
+            {
+            MCEMM_DEBUG( "********* CMceNatPluginManager::NatEnabled: FALSE" );
+            return EFalse;
+            }
+        }
+    else
+        {
+        MCEMM_DEBUG( "********* CMceNatPluginManager::NatEnabled: FALSE(ELeave)" );
+        return EFalse;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::SetSessionParam
+// -----------------------------------------------------------------------------
+//
+TInt CMceNatPluginManager::SetSessionParam( 
+    TUint aSessionId,
+    CNSPPlugin::TNSPSessionParamKey aParamKey,
+    TUint aParamValue )
+	{
+	MCEMM_DEBUG( "********* CMceNatPluginManager::SetSessionParam, Entry" );
+	
+	TInt status = KErrNone;
+	
+	if( iPlugin == NULL)
+		{
+		status = KErrNotFound;
+		}
+	else
+		{
+		status = iPlugin->SetSessionParam( aSessionId, aParamKey, aParamValue );
+		}
+	
+	MCEMM_DEBUG_DVALUE( "********* CMceNatPluginManager::SetSessionParam, Exit(status)=", status );
+	
+	return status;
+   	}
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::GetSessionParam 
+// -----------------------------------------------------------------------------
+//
+TInt CMceNatPluginManager::GetSessionParam( 
+    TUint aSessionId,
+    CNSPPlugin::TNSPSessionParamKey aParamKey )
+	{
+	MCEMM_DEBUG( "********* CMceNatPluginManager::GetSessionParam, Entry" );
+	
+	TInt status = KErrNone;
+	
+	if( iPlugin == NULL)
+		{
+		status = KErrNotFound;
+		}
+	else
+		{
+		status = iPlugin->GetSessionParam( aSessionId, aParamKey );
+		}
+	
+	MCEMM_DEBUG_DVALUE( "********* CMceNatPluginManager::GetSessionParam, Exit(status)=", status );
+	
+	return status;
+   	}
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::WriteSdpToLog 
+// -----------------------------------------------------------------------------
+//
+#ifdef _DEBUG
+void CMceNatPluginManager::WriteSdpToLog( 
+    const TDesC& aMsg,
+	CSdpDocument* aSdp )
+	{
+	if ( aSdp )
+		{
+		MCEMM_DEBUG_SVALUE( "", aMsg )
+		CBufBase* buf = NULL;
+		TRAPD( err, buf = EncodeSdpL( *aSdp ) )
+
+		if ( err == KErrNone && buf != NULL )
+			{
+			TMceLogLineParser lineParser( buf->Ptr( 0 ), 80 );
+
+			while ( !lineParser.End() )
+				{
+				MCEMM_DEBUG_SVALUE( "", lineParser.GetLine() )
+				} 
+			}
+		delete buf;
+		}
+	else
+		{
+		MCEMM_DEBUG( "SDP document NULL" );
+		}
+    }
+#else
+void CMceNatPluginManager::WriteSdpToLog( const TDesC& /* aMsg */,
+	CSdpDocument* /* aSdp */ )
+	{
+
+	}
+#endif
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::EncodeSdpL 
+// -----------------------------------------------------------------------------
+//
+CBufBase* CMceNatPluginManager::EncodeSdpL( 
+    CSdpDocument& aSdp )
+    {
+    CBufFlat* buf = CBufFlat::NewL( 100 );
+    CleanupStack::PushL( buf );
+    RBufWriteStream writeStream;
+    writeStream.Open( *buf, 0 );
+    aSdp.EncodeL( writeStream );
+    writeStream.Close();
+    CleanupStack::Pop( buf );
+    return buf;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceNatPluginManager::ResetAndDestroyInfo
+// -----------------------------------------------------------------------------
+//   
+void CMceNatPluginManager::ResetAndDestroyInfo(TAny* aArray)
+    {
+    RPointerArray< CImplementationInformation >* array =
+    	static_cast< RPointerArray< CImplementationInformation >* >( aArray );
+    array->ResetAndDestroy();
+    }  
+   
+// end of file