--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbclasses/usbphoneasmodem/classimplementation/mscfileserver/src/mscfilesession.cpp	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,211 @@
+// 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 "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:
+// 
+// 
+
+
+/** 
+ @file
+ Implements a Session of a Symbian OS server for the RUsbMassStorage API
+ */
+
+#include <e32property.h>
+#include <coreapplicationuisdomainpskeys.h>
+#include "mscfilesession.h"
+#include "mscfilecontroller.h"
+#include "mscfileserver.h"
+#include "usbmscfileshared.h"
+#include "debug.h"
+
+/**
+ Construct a Symbian OS session object.
+ 
+ @param	aServer		Service the session will be a member of
+ @param	aMessage	The message from the client.
+ @return	A new CMscFileSession object
+ */
+CMscFileSession* CMscFileSession::NewL(CMscFileServer& aServer)
+	{
+	CMscFileSession* r = new (ELeave) CMscFileSession(aServer);
+	CleanupStack::PushL(r);
+	r->ConstructL();
+	CleanupStack::Pop();
+	return r;
+	}
+
+/**
+ Constructor.
+ 
+ @param	aServer	Service the session will be a member of
+ */
+CMscFileSession::CMscFileSession(CMscFileServer& aServer)
+	: iMscFileServer( aServer )
+	{
+    TRACE_FUNC
+	}
+
+
+/**
+ 2nd Phase Construction.
+ */
+void CMscFileSession::ConstructL()
+	{
+	TRACE_FUNC
+	iMscFileServer.IncrementSessionCount();
+    if ( iMscFileServer.SessionCount() > 1 )
+        {
+        TRACE_ERROR(( _L( "SessionCount: %d" ), iMscFileServer.SessionCount() ))
+        // Only one session is allowed
+        User::Leave( KErrInUse );
+        }        
+ 	}
+
+
+/**
+ Destructor.
+ */
+CMscFileSession::~CMscFileSession()
+	{
+	iMscFileServer.DecrementSessionCount();
+	}
+
+/**
+ Called when a message is received from the client.
+ 
+ @param	aMessage	Message received from the client
+ */
+void CMscFileSession::ServiceL( const RMessage2& aMessage )
+	{
+	TRAPD( err, DispatchMessageL( aMessage ) );
+	
+    aMessage.Complete( err );
+	}
+
+void CMscFileSession::DispatchMessageL( const RMessage2& aMessage )
+    {
+    switch (aMessage.Function())
+        {
+        case EMscFileSetupLu:
+            SetupLogicalUnitL( aMessage );
+            break;
+            
+        case EMscFileStart:
+            StartL( aMessage );
+            break;
+            
+        case EMscFileStop:
+            LEAVE_IF_ERROR( Stop() );
+            break;
+            
+        case EMscFileShutdown:
+            LEAVE_IF_ERROR( Shutdown() );
+            break;
+
+        default:
+            aMessage.Panic( KUsbMsCliPncCat, EUsbMsPanicIllegalIPC );
+            break;
+        }
+
+    }
+
+void CMscFileSession::SetupLogicalUnitL( const RMessage2& aMessage )
+    {
+    TRACE_FUNC_ENTRY
+    TInt protocol;
+    TInt lun;
+    RBuf buf;
+    TInt len = aMessage.GetDesLength( 0 );
+    buf.CreateL( len );
+    buf.CleanupClosePushL();
+    aMessage.ReadL( 0, buf );
+    protocol = aMessage.Int1();
+    lun = aMessage.Int2();
+
+    //get the directory and name of image file
+    RFs fs;
+    LEAVE_IF_ERROR(fs.Connect());
+    CleanupClosePushL(fs);
+    
+    TFileName fileName;
+    const TDriveNumber KResourceDrive = EDriveZ;
+    TDriveUnit driveUnit( KResourceDrive );
+    TDriveName drive = driveUnit.Name();
+    fileName.Insert( 0, drive );
+    // append private path
+    TPath privatePath;
+    fs.PrivatePath(privatePath);
+    fileName.Append(privatePath);      
+    CleanupStack::PopAndDestroy(&fs);   
+
+    fileName.Append(buf);
+    iMscFileServer.Controller().SetupLogicalUnitL( fileName, protocol, lun );
+    CleanupStack::PopAndDestroy( &buf );
+    TRACE_FUNC_EXIT
+    }
+/**
+ Client request to start the device.
+ 
+ @return	Any error that occurred or KErrNone
+ */
+void CMscFileSession::StartL( const RMessage2& aMessage )
+	{
+	TRACE_FUNC
+
+    User::LeaveIfError(RProperty::Set(KPSUidCoreApplicationUIs, 
+        KCoreAppUIsUSBFileTransfer, 
+        ECoreAppUIsUSBFileTransferActive));
+	
+	TMassStorageConfig msConfig;
+	GetMsConfigL( aMessage, msConfig );
+	LEAVE_IF_ERROR( iMscFileServer.Controller().Start( msConfig ) );
+	}
+
+/**
+ Client request to stop the device.
+ 
+ @return	Any error that occurred or KErrNone
+ */
+TInt CMscFileSession::Stop()
+    {
+    TRACE_FUNC
+
+    RProperty::Set(KPSUidCoreApplicationUIs, 
+        KCoreAppUIsUSBFileTransfer, 
+        ECoreAppUIsUSBFileTransferNotActive);
+
+	return iMscFileServer.Controller().Stop();
+	}
+
+/**
+ Client request to shut down the server
+ 
+ @return KErrNone
+ */
+TInt CMscFileSession::Shutdown()
+    {
+    TRACE_FUNC
+    CActiveScheduler::Stop();
+	return KErrNone;
+	}
+
+ /**
+  Get mass storage configuration data from the received message
+  */
+ void CMscFileSession::GetMsConfigL( const RMessage2& aMessage, 
+                                     TMassStorageConfig& aMsStorage )
+ 	{
+ 	aMessage.ReadL( 0, aMsStorage.iVendorId );
+ 	aMessage.ReadL( 1, aMsStorage.iProductId );
+ 	aMessage.ReadL( 2, aMsStorage.iProductRev );
+ 	}