dosservices/tsrc/public/basic/dosservertestplugin/src/Tfdosshareddatatc.cpp
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dosservices/tsrc/public/basic/dosservertestplugin/src/Tfdosshareddatatc.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,234 @@
+/*
+* Copyright (c) 2002 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:  ?Description
+*
+*/
+
+
+#include <e32std.h>
+#include <e32svr.h> // RDebug
+#include <e32base.h>
+
+#include <Sysutil.h>
+#include "CTFDosSharedDataTC.h"
+
+//FORWARD DECLARATIONS
+
+
+// CONSTANTS
+_LIT( KSDReserveFileName, "C:\\Private\\101f6efa\\reserve.bin" );
+_LIT( KFileName, "C:\\logs\\MemoryEaterFile" );
+
+// -----------------------------------------------------------------------------
+// CSdDisk::CSdDisk
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+CSdDisk::CSdDisk() 
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSdDisk* CSdDisk::NewL
+// 
+// 
+// -----------------------------------------------------------------------------
+CSdDisk* CSdDisk::NewL() 
+    {
+	CSdDisk* sdn = new (ELeave) CSdDisk();
+	CleanupStack::PushL( sdn );
+	sdn->ConstructL();
+	CleanupStack::Pop();
+	return sdn;
+    }
+
+// -----------------------------------------------------------------------------
+// CSdDisk::ConstructL()
+// 
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+void CSdDisk::ConstructL()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSdDisk::~CSdDisk
+// Destructor
+// 
+// -----------------------------------------------------------------------------
+CSdDisk::~CSdDisk() 
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSdDisk::ReleaseFiles
+// This method deletes files created for filling the drive C
+// 
+// -----------------------------------------------------------------------------
+void CSdDisk::ReleaseDisk(RFs& aFs)
+    {
+	// RDebug::Print(_L("Shareddatatest ## ReleaseDisk"));
+	TInt i = 0;
+	TInt err = KErrNone;
+		
+	do
+	    {
+		TBuf16<35> str;
+		str.Copy(KFileName);
+		str.AppendNum(i,EDecimal);
+		
+		err = aFs.Delete (str) ;
+		
+		i++;
+	    }
+	while ( err == KErrNone );
+}
+
+// -----------------------------------------------------------------------------
+// CSdDisk::CheckDiskSpace()
+// This method checks free disk space 
+//
+// Method is the almost the same than FreeSpaceL(RFs* aFs, TInt aDrive) in sysutil.cpp
+// -----------------------------------------------------------------------------
+TReal64 CSdDisk::CheckDiskSpace(RFs& aFs)
+    {
+	// RDebug::Print(_L("Shareddatatest ## CheckDiskSpace"));
+    TInt err = KErrNone;
+
+	TVolumeInfo vinfo;
+
+	err = aFs.Volume(vinfo, EDriveC);
+	
+	if ( err != KErrNone )
+	    {
+	    RDebug::Print(_L("Shareddatatest ## Error = %d"), err);
+		User::LeaveIfError(err);
+	    }
+
+	// RDebug::Print(_L("Shareddatatest ## Disk space: %f "), TReal64(vinfo.iFree));
+	
+	return TReal64(vinfo.iFree);
+    }
+
+// -----------------------------------------------------------------------------
+// CSdDisk::CheckDiskSpace()
+// This method checks the reserve file size
+//
+// -----------------------------------------------------------------------------
+TInt CSdDisk::CheckReserveFileSize(RFs& aFs)
+    {
+    RFile iReserveFile;
+    
+    TInt err = iReserveFile.Open( aFs, KSDReserveFileName, EFileShareAny | EFileWrite );
+    
+    if (err == KErrNone)
+        {
+        TInt iReserveFileSize(0);
+        iReserveFile.Size(iReserveFileSize);
+        iReserveFile.Close();
+        
+        RDebug::Print( _L("Shareddatatest ## Reservefilesize: %d"), iReserveFileSize );
+        
+        return iReserveFileSize;
+        }
+    else
+        {
+        return KErrGeneral;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSdDisk::FillDisk()
+// Fills the diskspace 
+// 
+// -----------------------------------------------------------------------------
+void CSdDisk::FillDisk(RFs& aFs, TInt& aFreeDiskSpaceToLeave)
+    {
+	RFile iEaterFile;
+	TInt fileSize(0);	
+	TInt err(KErrNone);
+	
+	TReal64 diskFree = CheckDiskSpace(aFs);
+	// RDebug::Print(_L("Shareddatatest ## Eat disk space") );
+	
+	// For loop to create eaterfiles
+	for ( TInt i = 0 ; diskFree != 0 ; i++ )
+	    {	
+		TBuf16<30> str;
+		str.Copy(KFileName);
+		str.AppendNum(i,EDecimal);
+			
+		// RDebug::Print(_L("Shareddatatest ## Open file %s"), &str);
+	
+		err = iEaterFile.Open( aFs, str, EFileShareAny | EFileWrite );
+
+		if ( err == KErrNotFound )	// file does not exist - create it
+		    {
+			err = iEaterFile.Create( aFs, str, EFileShareAny | EFileWrite );
+		    }
+
+		if ( err == KErrNone )
+		    {
+			// Create maximum size eaterfile if there is more disk space available than the maximum file size
+			if ( diskFree > TReal64(KMaxTInt) )
+			    {
+				// RDebug::Print( _L("Shareddatatest ## Creating %d. EaterFile"), i+1);
+				err = iEaterFile.SetSize( KMaxTInt );
+				
+				diskFree = diskFree - TReal64(KMaxTInt);
+			    }
+			
+			// ... And if available disk space is less than maximum file size
+			else
+			    {
+				// If aFreeDiskSpaceToLeave parameter says we have to leave some free disk
+				if ( aFreeDiskSpaceToLeave != 0 )
+				    {
+					// RDebug::Print( _L("Shareddatatest ## Creating %d. EaterFile"), i+1);
+					TInt sizeToSet = STATIC_CAST(TInt, I64INT(diskFree));
+					err = iEaterFile.SetSize( sizeToSet - aFreeDiskSpaceToLeave * 1024 );
+					iEaterFile.Size( fileSize );
+					// RDebug::Print( _L("Shareddatatest ## Last EaterFileSize: %d"), fileSize);
+					diskFree = 0;	
+				    }
+				
+				// Otherwise try to eat all the disk space
+				else
+				    {
+					// RDebug::Print( _L("Shareddatatest ## Creating %d. EaterFile"), i+1);
+					TInt sizeToSet = STATIC_CAST(TInt, I64INT(diskFree));
+					// RDebug::Print( _L("Shareddatatest ## Filesize in the end should be around %d bytes"), sizeToSet);
+					
+					for ( TInt j = 64 ; err != KErrDiskFull ; j-- )
+					    {	
+						err = iEaterFile.SetSize( sizeToSet - j * 1024 );
+					    }
+					iEaterFile.Size( fileSize );
+					// RDebug::Print( _L("Shareddatatest ## Last EaterFileSize: %d bytes"), fileSize);
+					// RDebug::Print( _L("Shareddatatest ## There should be %d bytes of free disk"),sizeToSet - fileSize);
+					diskFree = 0;
+				    }
+			    }
+		    }
+		
+		else
+		    {
+			RDebug::Print(_L("Shareddatatest ## Error = %d"), err);
+			diskFree = 0;
+		    }
+
+		// RDebug::Print(_L("Shareddatatest ## Close file"));
+		iEaterFile.Close();
+	    }
+    }