usbclasses/usbphoneasmodem/classimplementation/mscfileserver/src/mscfilecontroller.cpp
changeset 35 9d8b04ca6939
child 63 ef2686f7597e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbclasses/usbphoneasmodem/classimplementation/mscfileserver/src/mscfilecontroller.cpp	Fri Jun 04 10:27:39 2010 +0100
@@ -0,0 +1,158 @@
+// 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: CMscFileController implementation.
+// 
+// 
+
+#include "mscfilecontroller.h"
+#include "scsiprot.h"
+#include "bulkonlytransport.h"
+#include "debug.h"
+
+CMscFileController* CMscFileController::NewL()
+    {
+    TRACE_FUNC
+    CMscFileController* self = new (ELeave) CMscFileController;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+/**
+Destructor
+*/
+CMscFileController::~CMscFileController()
+	{
+	delete iProtocol;
+	delete iTransport;
+	delete iFsImage;
+	}
+
+CMscFileController::CMscFileController()
+    {
+    }
+/**
+Creates the drive manager, transport, protocol and server
+
+@param aMaxDrives Maximum number of Mass Storage drives supported.
+*/
+void CMscFileController::ConstructL()
+	{
+	TRACE_FUNC_ENTRY
+	iMaxDrives = 1; 
+    TRACE_INFO(( _L( "Creating transport" ) ))
+    iTransport = CBulkOnlyTransport::NewL(iMaxDrives, *this);
+	TRACE_FUNC_EXIT
+	}
+
+void CMscFileController::SetupLogicalUnitL( const TDesC& aFileName, 
+                                            const TInt /*aProtocol*/, 
+                                            const TInt aLun )
+    {
+    TRACE_FUNC_ENTRY
+    if ( aLun != 0 )
+        {
+        // More than one logical unit is not supported in this version
+        LEAVE( KErrArgument );
+        }
+    if(iFsImage)
+        {
+        delete iFsImage;
+        iFsImage = NULL;
+        }
+    iFsImage = CFileSystemImage::NewL( aFileName );
+
+    TRACE_INFO(( _L( "Creating protocol" ) ))
+    //create protocol according to aProtocol
+    if(iProtocol)
+        {
+        delete iProtocol;
+        iProtocol = NULL;
+        }
+    iProtocol = CScsiProtocol::NewL( *this );
+    iTransport->RegisterProtocol( *iProtocol );
+    iProtocol->RegisterTransport( iTransport );
+    TRACE_FUNC_EXIT
+    }
+
+/**
+Starts the transport and initializes the protocol.
+
+@param aConfig Reference to Mass Storage configuration data
+*/
+TInt CMscFileController::Start( TMassStorageConfig& aConfig )
+	{
+	TRACE_FUNC_ENTRY
+	//Save this value for use in the Reset method.
+	iConfig = aConfig;
+	TInt err = KErrNotReady;
+	if ( iProtocol && iTransport )
+		{
+		TRACE_INFO(( _L( "Starting" ) ))
+		((CScsiProtocol*)iProtocol)->SetScsiParameters(aConfig);
+		err = iTransport->Start();
+		}
+
+	TRACE_FUNC_EXIT
+	return err;
+	}
+
+/**
+Stops the transport.
+*/
+TInt CMscFileController::Stop()
+	{
+	TRACE_FUNC_ENTRY
+	TInt err = KErrNotReady;
+	if ( iTransport )
+		{
+		TRACE_INFO(( _L( "Stopping" ) ))
+		err = iTransport->Stop();
+		}
+	TRACE_FUNC_EXIT
+	return err;
+	}
+
+/**
+Delete the transport and protocol and start new ones.
+*/
+void CMscFileController::Reset()
+	{
+	TRACE_FUNC
+	delete iProtocol;
+	iProtocol = NULL;
+
+	//Create transport and protocol and initialize them
+	TRACE_INFO(_L("Creating  protocol"));
+
+	TRAPD(err,iProtocol = CScsiProtocol::NewL(*this));
+	err = err;
+	__ASSERT_DEBUG(err==KErrNone, User::Invariant());
+	iTransport->RegisterProtocol(*iProtocol);
+	iProtocol->RegisterTransport(iTransport);
+	}
+
+CFileSystemImage* CMscFileController::FsImage( TInt aLun )
+    {
+    // Only 1 LUN supported in this version
+    if ( aLun == 0 )
+        {
+        return iFsImage;
+        }
+    else
+        {
+        return NULL;
+        }
+    }
+
+