// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

// f32test\manager\t_notifydismount.cpp

// 

//

#include <f32file.h>

#include <e32test.h>

#include <e32hal.h>

#include <e32math.h>

#include <f32dbg.h>

#include <hal.h>

#include "t_server.h"

LOCAL_D TFullName fsname;

LOCAL_D	RFile file; 

LOCAL_D TRequestStatus stat;

LOCAL_D	TBuf8<0x10> buf; 

LOCAL_D	TFileName fn;

GLDEF_D	RTest test(_L("t_notifydismount"));

#if defined(_DEBUG)

const TInt KControlIoRuggedOn=2;

const TInt KControlIoRuggedOff=3;

const TInt KControlIoIsRugged=4;

#endif

#if defined(_DEBUG)

LOCAL_C void TestFileHandleClosure(TInt aDrvNum)

//

// check that open file handles may be closed following a NotifyDismount in

// forced dismount mode

//	

{

	test.Next( _L("Test File Handle Closure"));

	TInt r = file.Replace(TheFs, fn, EFileWrite); 

	r = TheFs.FileSystemName(fsname,aDrvNum);

	buf = _L8("handle test23456");

	r = file.Write(buf); 

	TheFs.NotifyDismount(aDrvNum, stat, EFsDismountForceDismount); 

	User::WaitForRequest(stat);         

	test(stat.Int() == KErrNone);

	// PDEF137626 Connectivity: Phone reboots automatically when connecting to PC via USB after pl 

	// Check that writing data to a file when the drive is dismounted doesn't upset the file server

	r = file.Write(buf); 

	// PDEF091956 was a file server fault EFsDriveThreadError when the file 

	// handle was closed

	file.Close(); 

	r = TheFs.MountFileSystem(fsname,aDrvNum);

}

LOCAL_C void TestRequestCancelling(TInt aDrvNum)

//

// check that Cancelling all drive thread requests allows File server object to be closed down gracefully

// PDEF101895- Device crash in efile.exe when plugging/unplugging USB cable using fast file ... 

//

	{

	test.Next( _L("Test Request Cancelling") );

	TInt r = TheFs.FileSystemName(fsname,aDrvNum);

	//***************************************

	// first test with an open file handle

	//***************************************

	r = file.Replace(TheFs, fn, EFileWrite); 

	// up the priority of this thread so that we can queue 2 requests onto the drive thread - 

	// i.e. a TFsNotifyDismount and a TFsCloseObject

	RThread				thisThread;

	thisThread.SetPriority(EPriorityRealTime);

	// Post a TFsNotifyDismount do drive thread - this will cancel all requests when it runs

	// including the subsequent TFsCloseObject...

	TheFs.NotifyDismount(aDrvNum, stat, EFsDismountForceDismount); 

	// Post a TFsCloseObject do drive thread - this should be cancelled before it is processed

	// by the earlier TFsNotifyDismount

	file.Close();

	User::WaitForRequest(stat);         

	test(stat.Int() == KErrNone);

	thisThread.SetPriority(EPriorityNormal);

	r = TheFs.MountFileSystem(fsname,aDrvNum);

	//***************************************

	// now test with an open directory handle

	//***************************************

	RDir dir;

	TFileName sessionPath;

	r=TheFs.SessionPath(sessionPath);

	TFileName path=_L("?:\\*");

	path[0]=sessionPath[0];

	r=dir.Open(TheFs,path,KEntryAttMaskSupported);

	thisThread.SetPriority(EPriorityRealTime);

	TheFs.NotifyDismount(aDrvNum, stat, EFsDismountForceDismount); 

	dir.Close();

	User::WaitForRequest(stat);         

	test(stat.Int() == KErrNone);

	thisThread.SetPriority(EPriorityNormal);

	r = TheFs.MountFileSystem(fsname,aDrvNum);

	}

LOCAL_C void TestFileSizeFlushing(TInt aDrvNum)

//

// check that new file sizes are flushed during a NotifyDismount in forced

// dismount mode

//	 

	{	

	test.Next( _L("Test File Size Flushing with EFsDismountForceDismount") );

	TInt size = 0;

	TInt r = file.Replace(TheFs, fn, EFileWrite); 

	r = TheFs.FileSystemName(fsname,aDrvNum);

	buf = _L8("size test9123456"); 

	r = file.Write(buf); 

	r = file.Flush(); 

	r = file.Write(buf); 

	TheFs.NotifyDismount(aDrvNum, stat, EFsDismountForceDismount); 

	User::WaitForRequest(stat);         

	test(stat.Int() == KErrNone);

	file.Close();

	r = TheFs.MountFileSystem(fsname,aDrvNum);

	file.Open(TheFs, fn, EFileWrite);

	r = file.Size(size); 

	// PDEF091956 was, for example, a file size of 16 rather than 32. new file sizes were

	// not flushed for the forced dismount. this was only a problem with rugged fat off.

	test(size == 32);

	file.Close();

	test.Next( _L("Test File Size Flushing with EFsDismountNotifyClients") );

	size = 0;

	r = file.Replace(TheFs, fn, EFileWrite); 

	r = file.Write(buf); 

	r = file.Write(buf); 

	TheFs.NotifyDismount(aDrvNum, stat, EFsDismountNotifyClients); 

	User::WaitForRequest(stat);

	test(stat.Int() == KErrNone);

	file.Close();

	r = TheFs.MountFileSystem(fsname,aDrvNum);

	file.Open(TheFs, fn, EFileWrite);

	r = file.Size(size); 

	test(size == 32);

	file.Close();

	}

#endif

LOCAL_C void TestNotifyCancel(TInt aDrvNum)

//

//	

	{

	test.Next( _L("Test Cancelling a notifier"));

	TRequestStatus status;

	TheFs.NotifyDismount( aDrvNum, status, EFsDismountRegisterClient );

	TheFs.NotifyDismountCancel(status);

	User::WaitForRequest( status );

	test(status.Int() == KErrCancel);

	// up the priority of this thread so that we can queue 2 requests onto the drive thread - 

	// to test CNotifyInfo objects are cleaned up correctly even if the drive thread doesn't run

	RThread	thisThread;

	thisThread.SetPriority(EPriorityRealTime);

	TheFs.NotifyDismount( aDrvNum, status, EFsDismountRegisterClient );

	TheFs.NotifyDismountCancel(status);

	User::WaitForRequest( status );

	test(status.Int() == KErrCancel);

	}

GLDEF_C void CallTestsL()

//

// Call tests that may leave

//

	{

	test.Title();

	TInt drvNum, r;

	r=TheFs.CharToDrive(gDriveToTest,drvNum);

	// dismounting with file system extension present doesn't seem to work

	// so skip the test for now.

	TFullName extName;

	r = TheFs.ExtensionName(extName,drvNum, 0);

	if (r == KErrNone)

		{

		test.Printf(_L("File system extension present (%S). Skipping test.\n"), &extName);

		return;

		}

	fn.Format(_L("%c:\\notifydismount.tst"), TUint(gDriveToTest));

	test.Start( _L("Test Notify Dismount") );

#if defined(_DEBUG)

	// the EFsDriveThreadError file server fault (PDEF091956) was only detected 

	// in debug mode

 	TestFileHandleClosure(drvNum);

	TestRequestCancelling(drvNum);

#else

	test.Printf(_L("CallTestsL: Skip TestFileHandleClosure - urel mode.\n"));

#endif

	TestNotifyCancel(drvNum);

#if defined(_DEBUG)

	// failure to observe flushing of file size (PDEF091956) only observed 

	// in debug mode

	// debug mode required to determine rugged or non rugged FAT and to switch between these 

	// modes 

	if (IsFileSystemFAT(TheFs,drvNum) || IsFileSystemFAT32(TheFs,drvNum))

		{

		// next test requires rugged fat off

		TUint8 isRugged;

		TPtr8 pRugged(&isRugged,1,1);

		r=TheFs.ControlIo(drvNum,KControlIoIsRugged,pRugged);

		if(isRugged)

			{

			r=TheFs.ControlIo(drvNum,KControlIoRuggedOff);

			}

		TestFileSizeFlushing(drvNum);

		// if originally rugged set system back to rugged

		if(isRugged)

			{

			r=TheFs.ControlIo(drvNum,KControlIoRuggedOn);

			}	

		}

	else

		{

		test.Printf(_L("CallTestsL: Skip TestFileSizeFlushing - not a FAT filesystem.\n"));

		}

#else 

		test.Printf(_L("CallTestsL: Skip TestFileSizeFlushing - urel mode.\n"));

#endif

	test.End();

	}