author | hgs |
Fri, 09 Jul 2010 17:58:21 +0800 | |
changeset 31 | a26669f87b46 |
parent 29 | 3ae5cb0b4c02 |
permissions | -rw-r--r-- |
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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/** |
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@file |
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@publishedPartner |
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*/ |
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#include <centralrepository.h> |
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#include <mtp/cmtptypefile.h> |
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#include <mtp/mtpdatatypeconstants.h> |
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#include "mtpcommonconst.h" |
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// File type constants. |
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const TInt KMTPFileChunkSizeForLargeFile(0x00080000); // 512K |
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//For file size less than 512K, we will use this smaller chunk size to reduce the heap usage. |
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const TInt KMTPFileChunkSizeForSmallFile(0x00010000); //64K |
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//For file size larger than it, we will split one setSize() to several smaller one, each with the following size. |
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const TInt64 KMTPFileSetSizeChunk(1<<30); //1G |
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const TUint KUSBHeaderLen = 12; |
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CMTPTypeFile::CFileWriter* CMTPTypeFile::CFileWriter::NewL(RFile& aFile, RBuf8& aWriteBuf) |
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{ |
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CFileWriter *self = new(ELeave)CFileWriter(aFile, aWriteBuf); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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void CMTPTypeFile::CFileWriter::GetWriteBuf(TPtr8& aChunk) |
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{ |
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WaitForWriteComplete(); |
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aChunk.Set(&iBuf[0], 0, iBuf.MaxLength()); |
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} |
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TInt CMTPTypeFile::CFileWriter::GetResult() const |
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{ |
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return iWriteResult; |
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} |
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void CMTPTypeFile::CFileWriter::Write(TInt aLength) |
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{ |
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iFile.Write(iBuf, aLength, iStatus); |
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SetActive(); |
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} |
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void CMTPTypeFile::CFileWriter::WaitForWriteComplete() |
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{ |
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/* |
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* We didn't want to cancel the file write here. |
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* But we need to wait until the file write complete. |
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* The Cancel() function of CActive will do the wait until the file write complete. |
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* If the Write already complete and the RunL() invoked there's nothing happened in the Cancel(). |
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*/ |
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Cancel(); |
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//Have to save the result. |
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iWriteResult = iStatus.Int(); |
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} |
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void CMTPTypeFile::CFileWriter::RunL() |
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{ |
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//Have to save the result. |
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iWriteResult = iStatus.Int(); |
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} |
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CMTPTypeFile::CFileWriter::~CFileWriter() |
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{ |
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WaitForWriteComplete(); //make sure all async request complete |
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if(iWriteResult != KErrNone) |
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{ |
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iFile.SetSize(0); |
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} |
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} |
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void CMTPTypeFile::CFileWriter::DoCancel() |
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{ |
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//We didn't really want to cancel the file write, so we do nothing here |
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} |
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CMTPTypeFile::CFileWriter::CFileWriter(RFile& aFile, RBuf8& aBuf):CActive(EPriorityStandard), iWriteResult(KErrNone), iFile(aFile), iBuf(aBuf) |
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{ |
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} |
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103 |
|
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|
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void CMTPTypeFile::CFileWriter::ConstructL() |
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{ |
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CActiveScheduler::Add(this); |
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} |
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|
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/** |
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MTP file object data type factory method. |
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@param aFs The handle of an active file server session. |
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@param aName The name of the file. Any path components (i.e. drive letter |
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or directory), which are not specified, are taken from the session path. |
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@param aMode The mode in which the file is opened (@see TFileMode). |
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@return A pointer to the MTP file object data type. Ownership IS transfered. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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@see TFileMode |
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*/ |
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EXPORT_C CMTPTypeFile* CMTPTypeFile::NewL(RFs& aFs, const TDesC& aName, TFileMode aMode) |
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{ |
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CMTPTypeFile* self = NewLC(aFs, aName, aMode); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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126 |
|
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/** |
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MTP file object data type factory method. A pointer to the MTP file object data |
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type is placed on the cleanup stack. |
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@param aFs The handle of an active file server session. |
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@param aName The name of the file. Any path components (i.e. drive letter |
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or directory), which are not specified, are taken from the session path. |
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@param aMode The mode in which the file is opened (@see TFileMode). |
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@return A pointer to the MTP file object data type. Ownership IS transfered. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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@see TFileMode |
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*/ |
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EXPORT_C CMTPTypeFile* CMTPTypeFile::NewLC(RFs& aFs, const TDesC& aName, TFileMode aMode) |
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{ |
29 | 140 |
CMTPTypeFile* self = new(ELeave) CMTPTypeFile(aFs); |
0
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CleanupStack::PushL(self); |
29 | 142 |
self->ConstructL(aName, aMode); |
0
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return self; |
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} |
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|
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EXPORT_C CMTPTypeFile* CMTPTypeFile::NewL(RFs& aFs, const TDesC& aName, TFileMode aMode, TInt64 aRequiredSize, TInt64 aOffSet) |
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{ |
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CMTPTypeFile* self = NewLC(aFs, aName, aMode,aRequiredSize,aOffSet); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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152 |
|
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EXPORT_C CMTPTypeFile* CMTPTypeFile::NewLC(RFs& aFs, const TDesC& aName, TFileMode aMode, TInt64 aRequiredSize, TInt64 aOffSet) |
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{ |
29 | 155 |
CMTPTypeFile* self = new(ELeave) CMTPTypeFile(aFs); |
0
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CleanupStack::PushL(self); |
29 | 157 |
self->ConstructL(aName, aMode, aRequiredSize, aOffSet); |
0
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return self; |
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} |
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160 |
|
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/** |
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Destructor |
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*/ |
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EXPORT_C CMTPTypeFile::~CMTPTypeFile() |
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{ |
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delete iFileWriter1; |
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delete iFileWriter2; |
0
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iFile.Close(); |
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iBuffer1.Close(); |
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iBuffer2.Close(); |
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Cancel(); |
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} |
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173 |
|
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/** |
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Sets the size of the file, this function must be called in case of file writting/receiving. related resouce |
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will be allocated in this function to prepare to receive the incoming data. |
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@param aSize The new size of the file (in bytes). |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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EXPORT_C void CMTPTypeFile::SetSizeL(TUint64 aSize) |
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181 |
{ |
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//Firstly, check the disk free space, at anytime, we must make sure |
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//the free space can not be lower than the threshold value after this |
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//file syncing |
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TInt driveNo; |
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TDriveInfo driveInfo; |
29 | 187 |
User::LeaveIfError(iFile.Drive(driveNo,driveInfo)); |
188 |
||
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TVolumeInfo volumeInfo; |
29 | 190 |
User::LeaveIfError(iFs.Volume(volumeInfo,driveNo)); |
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191 |
|
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//Read the threshold value from Central Repository and check against it |
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CRepository* repository(NULL); |
29 | 194 |
TInt64 thresholdValue(0); |
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TRAPD(err,repository = CRepository::NewL(KCRUidUiklaf)); |
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if (err == KErrNone) |
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197 |
{ |
29 | 198 |
if (driveNo == EDriveE || driveNo == EDriveF) |
199 |
{ |
|
200 |
TInt warningValue(0); |
|
201 |
err = repository->Get(KUikOODDiskFreeSpaceWarningNoteLevelMassMemory,warningValue); |
|
202 |
if (err == KErrNone) |
|
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{ |
|
204 |
thresholdValue = warningValue + KFreeSpaceExtraReserved; |
|
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} |
|
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} |
|
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else |
|
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{ |
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TInt warningUsagePercent(0); |
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err = repository->Get(KUikOODDiskFreeSpaceWarningNoteLevel,warningUsagePercent); |
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if (err == KErrNone) |
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{ |
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thresholdValue = ((volumeInfo.iSize*(100-warningUsagePercent))/100) |
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+ KFreeSpaceExtraReserved; |
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} |
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} |
29 | 217 |
|
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delete repository; |
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} |
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220 |
|
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if (err != KErrNone) |
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222 |
{ |
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thresholdValue = KFreeSpaceThreshHoldDefaultValue + KFreeSpaceExtraReserved; |
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} |
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|
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if(volumeInfo.iFree <= thresholdValue + aSize) |
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{ |
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User::Leave(KErrDiskFull); |
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} |
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230 |
|
0
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iTargetFileSize = (TInt64)aSize; //keep a record for the target file size |
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232 |
|
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iRemainingDataSize = (TInt64)aSize;//Current implemenation does not support file size with 2 x64 |
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|
29 | 235 |
CreateDoubleBufferL(iRemainingDataSize); |
236 |
||
0
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if(iRemainingDataSize> KMTPFileSetSizeChunk) |
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{ |
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//split the setSize to multiple calling of 512M |
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User::LeaveIfError(iFile.SetSize(KMTPFileSetSizeChunk)); |
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iCurrentFileSetSize = KMTPFileSetSizeChunk; |
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} |
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243 |
else |
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{ |
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User::LeaveIfError(iFile.SetSize(aSize)); |
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iCurrentFileSetSize = aSize; |
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} |
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iFileWriter1 = CFileWriter::NewL(iFile, iBuffer1); |
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iFileWriter2 = CFileWriter::NewL(iFile, iBuffer2); |
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250 |
|
0
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} |
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252 |
|
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/** |
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Provides a reference to the native file object encapsulate by the MTP file |
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object data type. |
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@return The native file object reference. |
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*/ |
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#ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API |
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EXPORT_C RFile64& CMTPTypeFile::File() |
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#else |
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EXPORT_C RFile& CMTPTypeFile::File() |
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#endif |
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263 |
{ |
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return iFile; |
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} |
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266 |
|
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EXPORT_C TInt CMTPTypeFile::FirstReadChunk(TPtrC8& aChunk) const |
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{ |
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aChunk.Set(NULL, 0); |
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iReadSequenceState = EIdle; |
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iBuffer1.Zero(); |
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#ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API |
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TInt64 pos =iOffSet; |
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#else |
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TInt pos = static_cast<TInt>(iOffSet); |
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#endif |
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TInt err(iFile.Seek(ESeekStart, pos)); |
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if (err == KErrNone) |
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{ |
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// The USB SIC header is 12 bytes long. If the first chunk is 128K - 12 bytes, |
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// the USB SIC transport will not buffer data, which will improve the transfer rate. |
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err = iFile.Read(iBuffer1, iBuffer1.MaxLength() - KUSBHeaderLen); |
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if (err == KErrNone) |
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284 |
{ |
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//this chunk is going to be used by USB to read data from it, only CMTPTypefile::RunL() can toggle this flag |
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//When it finishe reading data into Buffer2. |
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iBuffer1AvailForWrite = EFalse; |
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288 |
|
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aChunk.Set(iBuffer1.Ptr(), iBuffer1.Length()); |
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290 |
|
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//Set the commit chunk to be filled in by CMTPTypeFile::RunL() |
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iCurrentCommitChunk.Set(&iBuffer2[0], 0, iBuffer2.MaxLength()); |
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293 |
|
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iRemainingDataSize -= aChunk.Length(); |
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295 |
|
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if (aChunk.Length() == 0) |
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297 |
{ |
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// Empty File. |
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iReadSequenceState = EIdle; |
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err = KMTPChunkSequenceCompletion; |
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} |
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302 |
else |
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303 |
{ |
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if (iRemainingDataSize <= 0) |
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305 |
{ |
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// EOF. |
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iReadSequenceState = EIdle; |
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aChunk.Set(aChunk.Ptr(), aChunk.Length() + iRemainingDataSize); //for partial |
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err = KMTPChunkSequenceCompletion; |
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310 |
} |
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311 |
else |
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312 |
{ |
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iReadSequenceState = EInProgress; |
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//This is NOT the last chunk, issue more CMTPTypeFile::RunL() |
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if (!IsActive()) |
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316 |
{ |
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//Since the writting data into file sever will take a long time, will issue a dedicated Active Object to do that. |
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const_cast<CMTPTypeFile*>(this)->SetActive(); |
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TRequestStatus* status = (TRequestStatus*)&iStatus; |
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User::RequestComplete(status, KErrNone); |
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321 |
} |
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changeset
|
322 |
else |
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parents:
diff
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|
323 |
{ |
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Revision: 201003
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parents:
diff
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|
324 |
//This is a very extreme cases, it only occurs when the following assumption is met |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
//1. USB already took buffer1 and already issue CMTPTypeFileRunL(), therefore, the ActiveObject has completed itself, |
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Revision: 201003
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parents:
diff
changeset
|
326 |
//2. Somehow, this active object is not scheduled to be running even after the USB already use out the other buffer. |
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Revision: 201003
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parents:
diff
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|
327 |
//3. USB's active object is scheduled to be running prior to the last File active object(this should not happen if ActiveScheduler follow the priority scheduler). |
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Revision: 201003
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parents:
diff
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|
328 |
//4. USB call this function again to get the other data buffer. |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
329 |
//5. Then it find the previous active is not scheduled to run. |
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Revision: 201003
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parents:
diff
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|
330 |
//in single-core platform, the code rely on the CActiveScheduler to guarantee the first active call which has higher priority to be running firstly before |
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Revision: 201003
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parents:
diff
changeset
|
331 |
//the 2nd USB active. but for multi-core platform, this should be re-evaluated . |
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Revision: 201003
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parents:
diff
changeset
|
332 |
iReadSequenceState = EIdle; |
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Revision: 201003
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parents:
diff
changeset
|
333 |
err = KMTPChunkSequenceCompletion; |
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Revision: 201003
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parents:
diff
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|
334 |
} |
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parents:
diff
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|
335 |
} |
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Revision: 201003
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parents:
diff
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|
336 |
} |
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parents:
diff
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|
337 |
} |
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parents:
diff
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|
338 |
else |
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parents:
diff
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|
339 |
{ |
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Revision: 201003
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parents:
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|
340 |
iReadSequenceState = EIdle; |
d0791faffa3f
Revision: 201003
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parents:
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|
341 |
iFileRdWrError = ETrue; |
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Revision: 201003
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parents:
diff
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|
342 |
} |
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Revision: 201003
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parents:
diff
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|
343 |
} |
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Revision: 201003
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parents:
diff
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|
344 |
iByteSent += aChunk.Length(); |
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Revision: 201003
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parents:
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|
345 |
return err; |
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Revision: 201003
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parents:
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|
346 |
} |
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parents:
diff
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|
347 |
|
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|
348 |
EXPORT_C TInt CMTPTypeFile::NextReadChunk(TPtrC8& aChunk) const |
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Revision: 201003
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|
349 |
{ |
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|
350 |
TInt err(KErrNone); |
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Revision: 201003
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|
351 |
|
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Revision: 201003
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diff
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|
352 |
if((iReadSequenceState != EInProgress) || (iFileRdWrError)) |
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Revision: 201003
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|
353 |
{ |
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Revision: 201003
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|
354 |
aChunk.Set(NULL, 0); |
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Revision: 201003
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parents:
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|
355 |
return KErrNotReady; |
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Revision: 201003
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parents:
diff
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|
356 |
} |
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parents:
diff
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|
357 |
|
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parents:
diff
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|
358 |
//This is called by USB's RunL(), here, the only possible scenarios is that the CMTPTypleFile::RunL() issued in FirReadChunk or last NextReadChunk must |
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Revision: 201003
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parents:
diff
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|
359 |
//have already finished. Now take the buffer which is filled in by data in CMTPTypleFile::RunL(). |
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Revision: 201003
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parents:
diff
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|
360 |
aChunk.Set(iCurrentCommitChunk.Ptr(), iCurrentCommitChunk.Length()); |
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Revision: 201003
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parents:
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|
361 |
if(iBuffer1AvailForWrite) |
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Revision: 201003
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parents:
diff
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|
362 |
{//We have already used buffer_1, now buffer2 contains data read into by CMTPTypeFile::RunL(); |
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Revision: 201003
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parents:
diff
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|
363 |
//Set the commit chunk to be filled in by CMTPTypeFile::RunL() |
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Revision: 201003
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parents:
diff
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|
364 |
iCurrentCommitChunk.Set(&iBuffer1[0], 0, iBuffer1.MaxLength()); |
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Revision: 201003
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parents:
diff
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|
365 |
} |
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Revision: 201003
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parents:
diff
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|
366 |
else |
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parents:
diff
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|
367 |
{ |
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Revision: 201003
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parents:
diff
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|
368 |
//Set the commit chunk to be filled in by CMTPTypeFile::RunL() |
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Revision: 201003
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parents:
diff
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|
369 |
iCurrentCommitChunk.Set(&iBuffer2[0], 0, iBuffer2.MaxLength()); |
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Revision: 201003
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parents:
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|
370 |
} |
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Revision: 201003
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parents:
diff
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|
371 |
|
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|
372 |
iRemainingDataSize -= aChunk.Length(); |
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Revision: 201003
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|
373 |
|
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Revision: 201003
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parents:
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|
374 |
if(aChunk.Length() == 0) |
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Revision: 201003
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parents:
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|
375 |
{ |
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Revision: 201003
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parents:
diff
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|
376 |
iReadSequenceState = EIdle; |
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Revision: 201003
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parents:
diff
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|
377 |
err = KMTPChunkSequenceCompletion; |
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Revision: 201003
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parents:
diff
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|
378 |
} |
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Revision: 201003
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parents:
diff
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|
379 |
else if(iRemainingDataSize> 0) |
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Revision: 201003
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parents:
diff
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|
380 |
{ |
d0791faffa3f
Revision: 201003
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parents:
diff
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|
381 |
//This is NOT the last chunk, issue more CMTPTypeFile::RunL() |
d0791faffa3f
Revision: 201003
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parents:
diff
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|
382 |
if (!IsActive()) |
d0791faffa3f
Revision: 201003
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parents:
diff
changeset
|
383 |
{ |
d0791faffa3f
Revision: 201003
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parents:
diff
changeset
|
384 |
//Since the writting data into file sever will take a long time, will issue a dedicated Active Object to do that. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
385 |
((CMTPTypeFile*)this)->SetActive(); |
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Revision: 201003
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parents:
diff
changeset
|
386 |
TRequestStatus* status = (TRequestStatus*)&iStatus; |
d0791faffa3f
Revision: 201003
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parents:
diff
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|
387 |
User::RequestComplete(status, KErrNone); |
d0791faffa3f
Revision: 201003
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parents:
diff
changeset
|
388 |
} |
d0791faffa3f
Revision: 201003
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parents:
diff
changeset
|
389 |
else |
d0791faffa3f
Revision: 201003
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parents:
diff
changeset
|
390 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
//This is a very extreme cases, it only occurs when the following assumption is met |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
//1. USB already took buffer1 and already issue CMTPTypeFileRunL(), therefore, the ActiveObject has completed itself, |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
//2. Somehow, this active object is not scheduled to be running even after the USB already use out the other buffer. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
//3. USB's active object is scheduled to be running prior to the last File active object(this should not happen if ActiveScheduler follow the priority scheduler). |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
//4. USB call this function again to get the other data buffer. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
//5. Then it find the previous active is not scheduled to run. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
//in single-core platform, the code rely on the CActiveScheduler to guarantee the first active call which has higher priority to be running firstly before |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
//the 2nd USB active. but for multi-core platform, this should be re-evaluated . |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
iReadSequenceState = EIdle; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
err = KMTPChunkSequenceCompletion; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
} |
d0791faffa3f
Revision: 201003
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parents:
diff
changeset
|
403 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
{//Last Chunk. Do not issue Active object. and indicate this completion of the chunk |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
iReadSequenceState = EIdle; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
aChunk.Set(aChunk.Ptr(), aChunk.Length() + iRemainingDataSize); //for partial |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
err = KMTPChunkSequenceCompletion; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
iByteSent += aChunk.Length(); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
return err; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
EXPORT_C TInt CMTPTypeFile::FirstWriteChunk(TPtr8& aChunk) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
__ASSERT_DEBUG(iBuffer1AvailForWrite, User::Invariant()); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
__ASSERT_DEBUG(!iFileRdWrError, User::Invariant()); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
aChunk.Set(NULL, 0, 0); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
iWriteSequenceState = EIdle; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
#ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
TInt64 pos =0; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
#else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
TInt pos =0; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
#endif |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
TInt err(iFile.Seek(ESeekStart, pos)); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
if (err == KErrNone) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
{ |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
429 |
iFileWriter1->GetWriteBuf(aChunk); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
iWriteSequenceState = EInProgress; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
//this chunk is going to be used by Transport to write data into it, and when it is full, transport |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
433 |
//will call back CommitChunkL(), at that time, the ETrue means it already contains data in it. |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
//it is ready for reading data from it. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
//This is a initial value for it to trigger the double-buffering mechanism. |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
436 |
iBuffer1AvailForWrite = ETrue; |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
return err; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
EXPORT_C TInt CMTPTypeFile::NextWriteChunk(TPtr8& aChunk) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
TInt err(KErrNone); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
aChunk.Set(NULL, 0, 0); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
if (iWriteSequenceState != EInProgress) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
err = KErrNotReady; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
{//toggle between buffer 1 and buffer 2 here. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
if(iBuffer1AvailForWrite) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
{ |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
455 |
iFileWriter1->GetWriteBuf(aChunk); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
{ |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
459 |
iFileWriter2->GetWriteBuf(aChunk); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
return err; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
EXPORT_C TUint64 CMTPTypeFile::Size() const |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
//The USB transport layer uses USB Container Length to determine the total size of data to be |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
//transfered. In USB protocol, the Container Length is 32 bits long which is up to 4G-1, so |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
//for synchronization of a large file >=4G-12 bytes (the USB header is 12 bytes long), the |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
//Container Length can't be used to determine the total size of data any more. In this kind of |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
//case, our USB transport layer implementation will call this function to get the actual data size. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
//The RFile::SetSize() method may take over 40 seconds if we create a file and set its size |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
//to a very large value, and this will cause timeout in MTP protocol layer. To avoid this |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
//timeout, when creating a large file(over 512MB), instead of setting its size directly to |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
//the target size by one singile RFile::SetSize() call, we'll call RFile::SetSize() multiple |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
//times and set the file size step by step acumulately. For example, for a 2GB file, its |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
//size will be set to 0.5G first, and then 1G, 1.5G and at last 2G. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
//So if a file is transfering to device, the size of the file that returned by RFile::Size() is |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
//just a temporary value and means nothing. In this case, let's return the target file size instead. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
if(!iFileOpenForRead && iRemainingDataSize) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
return iTargetFileSize; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
//If the initiator get partial of the file, return the requested partial size |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
if (iFileOpenForRead && iTargetFileSize) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
return iTargetFileSize; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
#ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
TInt64 size; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
#else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
TInt size; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
#endif |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
iFile.Size(size); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
return size; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
EXPORT_C TUint CMTPTypeFile::Type() const |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
return EMTPTypeFile; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
EXPORT_C TBool CMTPTypeFile::CommitRequired() const |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
return ETrue; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
EXPORT_C MMTPType* CMTPTypeFile::CommitChunkL(TPtr8& aChunk) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
{ |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
515 |
if(iFileRdWrError) |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
516 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
517 |
return NULL; |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
518 |
} |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
iCurrentCommitChunk.Set(aChunk); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
if(iRemainingDataSize> iCurrentCommitChunk.Length()) |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
521 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
522 |
iRemainingDataSize -= iCurrentCommitChunk.Length(); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
else |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
525 |
{ |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
iRemainingDataSize = 0; |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
527 |
} |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
528 |
//wait until previous write complete |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
529 |
if(iBuffer1AvailForWrite) |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
530 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
531 |
iFileWriter2->WaitForWriteComplete(); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
532 |
iFileRdWrError = (iFileWriter2->GetResult() != KErrNone); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
533 |
} |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
534 |
else |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
535 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
536 |
iFileWriter1->WaitForWriteComplete(); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
537 |
iFileRdWrError = (iFileWriter1->GetResult() != KErrNone); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
} |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
539 |
ToggleRdWrBuffer(); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
540 |
if(iRemainingDataSize <= 0) //last chunk need wait the write complete |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
541 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
542 |
iFileWriter1->WaitForWriteComplete(); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
543 |
iFileWriter2->WaitForWriteComplete(); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
544 |
if(iFileWriter1->GetResult() != KErrNone || iFileWriter2->GetResult() != KErrNone) |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
545 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
546 |
iFile.SetSize(0); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
547 |
iFileRdWrError = ETrue; |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
548 |
} |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
549 |
} |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
550 |
|
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
551 |
return NULL; |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
//for partial |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
EXPORT_C Int64 CMTPTypeFile::GetByteSent() |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
return iByteSent; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
|
29 | 560 |
CMTPTypeFile::CMTPTypeFile(RFs& aFs) : |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
CActive(EPriorityUserInput), iBuffer1AvailForWrite(ETrue), |
29 | 562 |
iFileRdWrError(EFalse), iCurrentCommitChunk(NULL, 0), |
563 |
iFs(aFs) |
|
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
CActiveScheduler::Add(this); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
|
29 | 568 |
void CMTPTypeFile::ConstructL(const TDesC& aName, TFileMode aMode) |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
if (aMode & EFileWrite) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
iFileOpenForRead = EFalse; |
29 | 573 |
TInt err = iFile.Create(iFs, aName, aMode|EFileWriteDirectIO); |
18
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
574 |
if (err != KErrNone) |
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
575 |
{ |
29 | 576 |
User::LeaveIfError(iFile.Replace(iFs, aName, aMode|EFileWriteDirectIO)); |
18
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
577 |
} |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
iFileOpenForRead = ETrue; |
29 | 582 |
User::LeaveIfError(iFile.Open(iFs, aName, aMode|EFileReadDirectIO|EFileShareReadersOnly)); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
#ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
TInt64 size = 0; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
#else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
TInt size = 0; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
#endif |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
User::LeaveIfError(iFile.Size(size)); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
iRemainingDataSize = size; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
//For File reading, NO "SetSizeL()" will be called, therefore, create the buffer here. |
29 | 592 |
CreateDoubleBufferL(iRemainingDataSize); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
|
29 | 596 |
void CMTPTypeFile::ConstructL(const TDesC& aName, TFileMode aMode, TInt64 aRequiredSize, TInt64 aOffSet) |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
if (aMode & EFileWrite) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
iFileOpenForRead = EFalse; |
29 | 601 |
TInt err = iFile.Create(iFs, aName, aMode|EFileWriteDirectIO); |
18
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
602 |
if (err != KErrNone) |
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
603 |
{ |
29 | 604 |
User::LeaveIfError(iFile.Replace(iFs, aName, aMode|EFileWriteDirectIO)); |
18
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
605 |
} |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
iFileOpenForRead = ETrue; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
iOffSet = aOffSet; |
29 | 611 |
User::LeaveIfError(iFile.Open(iFs, aName, aMode|EFileReadDirectIO|EFileShareReadersOnly)); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
#ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
TInt64 size = 0; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
#else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
TInt size = 0; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
#endif |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
User::LeaveIfError(iFile.Size(size)); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
|
18
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
619 |
|
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
620 |
if(aOffSet + aRequiredSize <= size) |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
iTargetFileSize = aRequiredSize; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
{ |
18
1b39655331a3
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
17
diff
changeset
|
626 |
iTargetFileSize = size - aOffSet; |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
iRemainingDataSize = iTargetFileSize; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
//For File reading, NO "SetSizeL()" will be called, therefore, create the buffer here. |
29 | 631 |
CreateDoubleBufferL(iRemainingDataSize); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
void CMTPTypeFile::DoCancel() |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
// Nothing to cancel here because this Active object does not issue any asynchronous call to others. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
640 |
// Catch any leaves - the CActiveScheduler can't handle it. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
TInt CMTPTypeFile::RunError(TInt /* aError*/) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
//We did not throw exception in RunL() in reality, therefore, we need not to cope with it. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
return KErrNone; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
646 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
void CMTPTypeFile::RunL() |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
648 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
649 |
ToggleRdWrBuffer(); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
650 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
652 |
void CMTPTypeFile::ToggleRdWrBuffer() |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
//This is triggered by CommitChunkL(), this will write the received data into File system synchronously. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
//Since someone trigger this RunL(), therefore, there must be one of 2 buffer which is full of data to wait for writing buffer data into File system. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
656 |
//Each RunL(), only need to commit one chunk because transport only prepare one chunk for file system in one RunL(). |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
657 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
TInt err = KErrNone; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
if (!iFileOpenForRead) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
if (!iFileRdWrError) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
664 |
TInt64 temp = iCurrentCommitChunk.Length(); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
665 |
iTotalReceivedSize += temp; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
666 |
if (iTotalReceivedSize > iCurrentFileSetSize) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
667 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
668 |
//temp += iRemainingDataSize;//Total uncommitted file size. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
temp = iTotalReceivedSize-iCurrentFileSetSize+iRemainingDataSize; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
670 |
if (temp >= KMTPFileSetSizeChunk) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
671 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
672 |
iCurrentFileSetSize += KMTPFileSetSizeChunk; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
673 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
674 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
675 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
676 |
iCurrentFileSetSize += temp; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
677 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
678 |
err = iFile.SetSize(iCurrentFileSetSize); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
679 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
680 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
681 |
if (err != KErrNone) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
iFileRdWrError = ETrue; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
684 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
685 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
686 |
{ |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
687 |
if(iBuffer1AvailForWrite) |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
688 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
689 |
iFileWriter1->Write(iCurrentCommitChunk.Length()); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
690 |
} |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
691 |
else |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
692 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
693 |
iFileWriter2->Write(iCurrentCommitChunk.Length()); |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
694 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
695 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
696 |
} |
17
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
697 |
else |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
698 |
{ |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
699 |
iFile.SetSize(0); |
aabe5387f5ce
Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
700 |
} |
0
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
701 |
iCurrentCommitChunk.Zero(); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
702 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
703 |
else |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
704 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
705 |
if (!iFileRdWrError) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
706 |
{ |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
707 |
err = iFile.Read(iCurrentCommitChunk, |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
708 |
iCurrentCommitChunk.MaxLength()); |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
709 |
if (err != KErrNone) |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
710 |
{//Error, abort the current file reading. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
711 |
iFileRdWrError = ETrue; |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
712 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
713 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
714 |
} |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
715 |
|
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
716 |
iBuffer1AvailForWrite = !iBuffer1AvailForWrite;//toggle the flag. |
d0791faffa3f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
717 |
} |
29 | 718 |
|
719 |
/** |
|
720 |
* Allocate double buffers to write to/read from file |
|
721 |
* @param aFileSize: the size of the file to be written to or read from |
|
722 |
* @return void |
|
723 |
* leave code: KErrNoMemory if there is insufficient memory |
|
724 |
*/ |
|
725 |
void CMTPTypeFile::CreateDoubleBufferL(TInt64 aFileSize) |
|
726 |
{ |
|
727 |
if(aFileSize > KMTPFileChunkSizeForLargeFile) //512KB |
|
728 |
{ |
|
729 |
TInt err = iBuffer1.CreateMax(KMTPFileChunkSizeForLargeFile); |
|
730 |
TInt err2 = iBuffer2.CreateMax(KMTPFileChunkSizeForLargeFile); |
|
731 |
TInt bufferSize = KMTPFileChunkSizeForLargeFile; |
|
732 |
||
733 |
//if one of buffer allocation fails, decrease the buffer size by |
|
734 |
//a half of it until : |
|
735 |
//we finally succeed in the allocation Or |
|
736 |
//the smallest acceptable buffer size KMTPFileChunkSizeForSmallFile(64KB) reaches. |
|
737 |
while ((err != KErrNone || err2 != KErrNone) && bufferSize != KMTPFileChunkSizeForSmallFile) |
|
738 |
{ |
|
739 |
iBuffer1.Close(); |
|
740 |
iBuffer2.Close(); |
|
741 |
||
742 |
bufferSize /= 2; |
|
743 |
err = iBuffer1.CreateMax(bufferSize); |
|
744 |
err2 = iBuffer2.CreateMax(bufferSize); |
|
745 |
} |
|
746 |
||
747 |
if ( err != KErrNone || err2 != KErrNone) |
|
748 |
{ |
|
749 |
//We still can not allocate 2*64KB buffer, just leave under this case |
|
750 |
iBuffer1.Close(); |
|
751 |
iBuffer2.Close(); |
|
752 |
User::Leave(KErrNoMemory); |
|
753 |
} |
|
754 |
} |
|
755 |
else |
|
756 |
{ |
|
757 |
iBuffer1.CreateMaxL(KMTPFileChunkSizeForSmallFile); |
|
758 |
iBuffer2.CreateMaxL(KMTPFileChunkSizeForSmallFile); |
|
759 |
} |
|
760 |
} |