testconns/statapi/device/source/statapi/src/dataconsumer_file.cpp
changeset 4 b8d1455fddc0
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2:73b88125830c 4:b8d1455fddc0
       
     1 /*
       
     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20  /*************************************************************************
       
    21  *
       
    22  * System Includes
       
    23  *
       
    24  *************************************************************************/
       
    25 
       
    26 #include <e32std.h>
       
    27 #include <e32base.h>
       
    28 #include <f32file.h>
       
    29 /*************************************************************************
       
    30  *
       
    31  * Local Includes
       
    32  *
       
    33  *************************************************************************/
       
    34 
       
    35 #include "dataconsumer_file.h"
       
    36 #include "stat.h"
       
    37 /*************************************************************************
       
    38  *
       
    39  * Definitions
       
    40  *
       
    41  *************************************************************************/
       
    42 _LIT( KTxtDiskError, "DiskError" );
       
    43 
       
    44 /*************************************************************************
       
    45  *
       
    46  * CDataConsumerFile - Construction
       
    47  *
       
    48  *************************************************************************/
       
    49 CDataConsumerFile *CDataConsumerFile::NewL()
       
    50 	{
       
    51 	CDataConsumerFile *self = new (ELeave) CDataConsumerFile();
       
    52 
       
    53 	CleanupStack::PushL(self);
       
    54 
       
    55 	self->ConstructL();
       
    56 
       
    57 	CleanupStack::Pop();
       
    58 
       
    59 	return self;
       
    60 	}
       
    61 
       
    62 CDataConsumerFile::CDataConsumerFile()
       
    63 	{
       
    64 	;
       
    65 	}
       
    66 
       
    67 void CDataConsumerFile::ConstructL( void ) 
       
    68 	{
       
    69 	
       
    70 	_LIT(KFileSrvDll, "efsrv.dll");
       
    71 	_LIT(KFileSeparator, "\\");
       
    72 	TBuf<8> systemDrive;
       
    73 
       
    74 	iLock.CreateLocal( EOwnerProcess );
       
    75 
       
    76 	User::LeaveIfError( iFsSession.Connect( ) );
       
    77 	
       
    78 	TDriveNumber defaultSysDrive(EDriveC);
       
    79 	RLibrary pluginLibrary;
       
    80 	TInt pluginErr = pluginLibrary.Load(KFileSrvDll);
       
    81 	
       
    82 	if (pluginErr == KErrNone)
       
    83 		{
       
    84 		typedef TDriveNumber(*fun1)();
       
    85 		fun1 sysdrive;
       
    86 	
       
    87 	#ifdef __EABI__
       
    88 		sysdrive = (fun1)pluginLibrary.Lookup(336);
       
    89 	#else
       
    90 		sysdrive = (fun1)pluginLibrary.Lookup(304);
       
    91 	#endif
       
    92 		
       
    93 		if(sysdrive!=NULL)
       
    94 			{
       
    95 			defaultSysDrive = sysdrive();
       
    96 			}
       
    97 		}
       
    98 	pluginLibrary.Close();
       
    99 	
       
   100 	systemDrive.Append(TDriveUnit(defaultSysDrive).Name());
       
   101 	systemDrive.Append(KFileSeparator);
       
   102 	
       
   103 
       
   104 	RFile	file;
       
   105 
       
   106 	TInt err = file.Temp( iFsSession, systemDrive,iFilePath, EFileShareExclusive );
       
   107 
       
   108 	file.Close( );
       
   109 
       
   110 	User::LeaveIfError( err );
       
   111 	}
       
   112 
       
   113 
       
   114 
       
   115 CDataConsumerFile::~CDataConsumerFile( )
       
   116 	{
       
   117 	iLock.Wait( );
       
   118 		{
       
   119 		iFsSession.Close();
       
   120 
       
   121 		iLock.Close( );
       
   122 		}
       
   123 	}
       
   124 
       
   125 /*************************************************************************
       
   126  *
       
   127  * CDataConsumerFile - Public interface
       
   128  *
       
   129  *************************************************************************/
       
   130 
       
   131 /*************************************************************************
       
   132  *
       
   133  * Delete
       
   134  *
       
   135  *************************************************************************/
       
   136 
       
   137 void CDataConsumerFile::Delete( void ) 
       
   138 	{
       
   139 	delete this;
       
   140 	}
       
   141 
       
   142 /*************************************************************************
       
   143  *
       
   144  * GetTotalSize
       
   145  *
       
   146  *************************************************************************/
       
   147 
       
   148 TInt CDataConsumerFile::GetTotalSize( TInt &aTotalSize )
       
   149 	{
       
   150 	TInt	err = KErrNone;
       
   151 	TInt	size = 0;
       
   152 
       
   153 	iLock.Wait( );
       
   154 		{
       
   155 		RFile	file;
       
   156 
       
   157 		err = file.Open( iFsSession, iFilePath, EFileRead | EFileStream | EFileShareReadersOnly );
       
   158 
       
   159 		if( err == KErrNone )
       
   160 			{
       
   161 			err = file.Size( size );
       
   162 
       
   163 			if( err == KErrNone )
       
   164 				{
       
   165 				aTotalSize = size;
       
   166 				}
       
   167 
       
   168 			file.Close( );
       
   169 			}
       
   170 
       
   171         iLock.Signal( );
       
   172 		}
       
   173 
       
   174 	return ( err );
       
   175 	}
       
   176 
       
   177 /*************************************************************************
       
   178  *
       
   179  * AddData
       
   180  *
       
   181  *************************************************************************/
       
   182 
       
   183 TInt CDataConsumerFile::AddData( const TDesC8 &aSource )
       
   184 	{
       
   185 	TInt	err = KErrNone;
       
   186 
       
   187 	if( err == KErrNone )
       
   188 		{
       
   189 		iLock.Wait( );
       
   190 			{
       
   191 			RFile	file;
       
   192 			TInt	shareMode = EFileWrite | EFileStream | EFileShareExclusive;
       
   193 
       
   194 			err = file.Open( iFsSession, iFilePath, shareMode );
       
   195 
       
   196 			if( err == KErrNotFound )
       
   197     			{
       
   198     			err = file.Create( iFsSession, iFilePath, shareMode );
       
   199     			}
       
   200 
       
   201 			if( err == KErrNone )
       
   202 				{
       
   203 				TInt pos = 0;
       
   204 				err = file.Seek( ESeekEnd, pos );
       
   205 	
       
   206 				if( err == KErrNone )
       
   207 					{
       
   208 					err = file.Write( aSource );
       
   209 					}
       
   210 
       
   211 				file.Flush( );
       
   212 				file.Close( );
       
   213 				}
       
   214 
       
   215             if( err != KErrNone )
       
   216                 {
       
   217                 err = iFsSession.Delete(iFilePath);
       
   218                 User::Panic(KTxtDiskError, err);
       
   219                 }
       
   220 
       
   221 			iLock.Signal( );
       
   222 			}
       
   223 		}
       
   224 
       
   225 	return ( err );
       
   226 	}
       
   227 
       
   228 /*************************************************************************
       
   229  *
       
   230  * GetData
       
   231  *
       
   232  *************************************************************************/
       
   233 
       
   234 TInt CDataConsumerFile::GetData( HBufC8 & )
       
   235 	{
       
   236 	return ( KErrNotSupported );
       
   237 	}
       
   238 
       
   239 /*************************************************************************
       
   240  *
       
   241  * SaveData
       
   242  *
       
   243  *************************************************************************/
       
   244 
       
   245 TInt CDataConsumerFile::SaveData( const TDesC &filePath )
       
   246 	{
       
   247 	TInt	err = KErrNone;
       
   248 
       
   249 	if( err == KErrNone )
       
   250 		{
       
   251 		iLock.Wait( );
       
   252 			{
       
   253 			
       
   254 				CFileMan *theFile = CFileMan::NewL(iFsSession);
       
   255 				CleanupStack::PushL(theFile);
       
   256 				
       
   257 				err = theFile->Copy( iFilePath, filePath );
       
   258 				
       
   259 				if( err == KErrNone )
       
   260 					{
       
   261 					err = theFile->Delete(iFilePath);	
       
   262 					}
       
   263 				
       
   264 				CleanupStack::PopAndDestroy();
       
   265 
       
   266 			iLock.Signal( );
       
   267 			}
       
   268 		}
       
   269 
       
   270 	return ( err );
       
   271 	}
       
   272 
       
   273 /*************************************************************************
       
   274  *
       
   275  * operator const TDesC8&
       
   276  *
       
   277  *************************************************************************/
       
   278 
       
   279 CDataConsumerFile::operator const TDesC8&( void ) const
       
   280 	{
       
   281 	_LIT8( empty, "" );
       
   282 	return ( empty );
       
   283 	}