xdmprotocols/XcapProtocol/XcapCache/Server/src/XcapCacheServer.cpp
changeset 0 c8caa15ef882
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     1 /*
       
     2 * Copyright (c) 2005 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:   CXcapCacheServer
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 // INCLUDE FILES
       
    22 #include <e32std.h>
       
    23 #include <e32math.h>
       
    24 #include <flogger.h>
       
    25 #include <centralrepository.h>
       
    26 #include <XdmEngineDomainCRKeys.h>
       
    27 #include "XcapCacheIndex.h"
       
    28 #include "XcapCacheServer.h"
       
    29 #include "XcapCacheSession.h"
       
    30 #include "XcapCacheIndexAdmin.h"
       
    31 #include "XcapCacheServerMain.h"
       
    32 
       
    33 GLDEF_C void PanicServer( TXcapCacheServerPanic aPanic )
       
    34     {
       
    35     _LIT( KCacheServerPanic, "XcapCacheServer");
       
    36     User::Panic( KCacheServerPanic, aPanic );
       
    37     }
       
    38 
       
    39 // ----------------------------------------------------------
       
    40 // CXcapCacheServer::New
       
    41 // 
       
    42 // ----------------------------------------------------------
       
    43 //
       
    44 CServer2* CXcapCacheServer::NewLC()
       
    45     {
       
    46     CXcapCacheServer* self = new CXcapCacheServer( EPriorityHigh );
       
    47     CleanupStack::PushL( self );
       
    48     self->ConstructL();
       
    49     return self;
       
    50     }
       
    51 
       
    52 // ----------------------------------------------------------
       
    53 // CXcapCacheServer::New
       
    54 // 
       
    55 // ----------------------------------------------------------
       
    56 //
       
    57 void CXcapCacheServer::ConstructL()
       
    58     {
       
    59     ReadMaxCacheSizeL();
       
    60     User::LeaveIfError( iFileSession.Connect() );
       
    61     StartL( KXcapCacheServerLib );
       
    62     iShutdownTimer.ConstructL();
       
    63     iShutdownTimer.Start();
       
    64     }
       
    65     
       
    66 // ----------------------------------------------------------
       
    67 // CXcapCacheServer::NewSessionL
       
    68 // 
       
    69 // ----------------------------------------------------------
       
    70 //
       
    71 CSession2* CXcapCacheServer::NewSessionL( const TVersion& aVersion,
       
    72         								  const RMessage2& /*aMessage*/ ) const
       
    73     {
       
    74     // Check version number of API against our known version number.
       
    75     TVersion thisVersion( KCacheServerMajorVersionNumber,
       
    76                           KCacheServerMinorVersionNumber,
       
    77                           KCacheServerBuildVersionNumber );
       
    78     if( !User::QueryVersionSupported( thisVersion, aVersion ) ) 
       
    79         User::Leave( KErrNotSupported );
       
    80     return CXcapCacheSession::NewL( ( CXcapCacheServer* )this );
       
    81     }
       
    82 
       
    83 // ----------------------------------------------------------
       
    84 // CXcapCacheServer::CXcapCacheServer
       
    85 // 
       
    86 // ----------------------------------------------------------
       
    87 //
       
    88 CXcapCacheServer::~CXcapCacheServer()
       
    89     {
       
    90     iFileSession.Close();
       
    91     }
       
    92 
       
    93 // ----------------------------------------------------------
       
    94 // CXcapCacheServer::ReadMaxCacheSizeL
       
    95 // 
       
    96 // ----------------------------------------------------------
       
    97 //
       
    98 void CXcapCacheServer::ReadMaxCacheSizeL()
       
    99     {
       
   100     #ifdef _DEBUG
       
   101         CXcapCacheServer::WriteToLog( _L8( "CXcapCacheServer::ReadMaxCacheSizeL()" ) );
       
   102     #endif
       
   103     CRepository* repository = CRepository::NewL( KCRUIDXDMEngineXcapLocal );
       
   104     CleanupStack::PushL( repository );
       
   105     TInt error = repository->Get( KXDMXcapCacheSize, iMaxCacheSize );
       
   106     //If something went wrong, just use 30 KB as a default value
       
   107     if( error != KErrNone )
       
   108         {
       
   109         #ifdef _DEBUG
       
   110             CXcapCacheServer::WriteToLog( _L8( "Reading from CenRep failed: %d => Default to 30 KB" ), error );
       
   111         #endif
       
   112         iMaxCacheSize = 30000;
       
   113         }
       
   114     else
       
   115         {
       
   116         #ifdef _DEBUG
       
   117             CXcapCacheServer::WriteToLog( _L8( "  Max cache size is %d KB" ), iMaxCacheSize );
       
   118         #endif  
       
   119         iMaxCacheSize = iMaxCacheSize * 1000;
       
   120         }
       
   121     CleanupStack::PopAndDestroy();  //repository
       
   122     }
       
   123 
       
   124 // ----------------------------------------------------------
       
   125 // CXcapCacheServer::CXcapCacheServer
       
   126 // 
       
   127 // ----------------------------------------------------------
       
   128 //
       
   129 CXcapCacheServer::CXcapCacheServer( TInt aPriority ) : CServer2( aPriority )
       
   130     {
       
   131     }
       
   132 
       
   133 // ----------------------------------------------------------
       
   134 // CXcapCacheServer::AddSession
       
   135 //
       
   136 // ----------------------------------------------------------
       
   137 //
       
   138 void CXcapCacheServer::AddSession()
       
   139     {
       
   140     #ifdef _DEBUG
       
   141         CXcapCacheServer::WriteToLog( _L8( "CXcapCacheServer::AddSession()" ) );
       
   142     #endif
       
   143 	++iSessionCount;
       
   144 	iShutdownTimer.Cancel();
       
   145     }
       
   146         
       
   147 // ----------------------------------------------------------
       
   148 // CXcapCacheServer::DropSession
       
   149 // 
       
   150 // ----------------------------------------------------------
       
   151 //
       
   152 void CXcapCacheServer::DropSession()
       
   153     {
       
   154     #ifdef _DEBUG
       
   155         CXcapCacheServer::WriteToLog( _L8( "CXcapCacheServer::DropSession()" ) );
       
   156     #endif
       
   157 	if( --iSessionCount == 0 )
       
   158 		CActiveScheduler::Stop();
       
   159     }
       
   160     
       
   161 // ----------------------------------------------------------
       
   162 // CXcapCacheServer::ConvertDesc
       
   163 // 
       
   164 // ----------------------------------------------------------
       
   165 //
       
   166 TInt CXcapCacheServer::ConvertDesc( const TDesC8& aNumberDesc )
       
   167     {
       
   168     TInt ret = 0;
       
   169     TLex8 lex( aNumberDesc );
       
   170     TInt error = lex.Val( ret );
       
   171     return error == KErrNone ? ret : error;
       
   172     }
       
   173 
       
   174 // ---------------------------------------------------------
       
   175 // CXcapCacheServer::DateL
       
   176 // 
       
   177 // ---------------------------------------------------------
       
   178 //
       
   179 HBufC* CXcapCacheServer::DateL()
       
   180     {
       
   181     TTime time;
       
   182     TBuf<KDateMaxSize> dateBuffer;
       
   183     dateBuffer.SetLength( 0 );
       
   184     time.HomeTime();
       
   185     time.FormatL( dateBuffer, KCacheDateFormat );
       
   186     HBufC* heapDate = dateBuffer.AllocL();
       
   187     return heapDate;
       
   188     }
       
   189 
       
   190 // ---------------------------------------------------------
       
   191 // CXcapCacheServer::DateTimeL
       
   192 // 
       
   193 // ---------------------------------------------------------
       
   194 //
       
   195 HBufC* CXcapCacheServer::DateTimeL()
       
   196     {
       
   197     TTime time;
       
   198     TBuf<KDateMaxSize> dateBuffer;
       
   199     time.HomeTime();
       
   200     time.FormatL( dateBuffer, KDateFormatFileName );
       
   201     TBuf<KDateMaxSize> timeBuffer;
       
   202     time.HomeTime();
       
   203     time.FormatL( timeBuffer, KTimeFormatFileName );
       
   204     TBuf<KDateTimeMaxSize> buffer;
       
   205     buffer.SetLength( 0 );
       
   206     buffer.Copy( dateBuffer );
       
   207     buffer.Append( timeBuffer );
       
   208     HBufC* ret = HBufC::NewL( buffer.Length() );
       
   209     ret->Des().Copy( buffer );
       
   210     return ret;
       
   211     }
       
   212 
       
   213 // ---------------------------------------------------------
       
   214 // CXcapCacheServer::DateTimeL
       
   215 // 
       
   216 // ---------------------------------------------------------
       
   217 //
       
   218 HBufC* CXcapCacheServer::DateTimeL( const TTime& aTime )
       
   219     {
       
   220     TBuf<KDateTimeMaxSize> dateTimeBuffer;
       
   221     aTime.FormatL( dateTimeBuffer, KDateTimeFormat );
       
   222     HBufC* heapDateTime = dateTimeBuffer.AllocL();
       
   223     return heapDateTime;
       
   224     }
       
   225     
       
   226 // ----------------------------------------------------------
       
   227 // CXcapCacheServer::MaxCacheSize
       
   228 // 
       
   229 // ----------------------------------------------------------
       
   230 //
       
   231 TInt CXcapCacheServer::MaxCacheSize() const
       
   232     {
       
   233     return iMaxCacheSize;
       
   234     }
       
   235     
       
   236 // ---------------------------------------------------------
       
   237 // CXcapCacheServer::CacheSize
       
   238 // 
       
   239 // ---------------------------------------------------------
       
   240 //
       
   241 TInt CXcapCacheServer::CacheSize( TInt& aEntryCount )
       
   242     {
       
   243     #ifdef _DEBUG
       
   244 	    CXcapCacheServer::WriteToLog( _L8( "CXcapCacheServer::CacheSize()" ) );
       
   245 	#endif
       
   246     TInt total = 0;
       
   247     TInt entryCount = 0;
       
   248     CDir* directory = NULL;
       
   249     User::LeaveIfError( iFileSession.GetDir( KCacheServerRoot, KEntryAttNormal,
       
   250                                              ESortNone, directory ) );
       
   251     CleanupStack::PushL( directory );
       
   252     entryCount = directory->Count();
       
   253     for( TInt i = 0;i < entryCount;i++ )
       
   254         total = total + ( *directory )[i].iSize;
       
   255     #ifdef _DEBUG
       
   256 	    CXcapCacheServer::WriteToLog( _L8( " Entries:    %d " ), entryCount );
       
   257 	    CXcapCacheServer::WriteToLog( _L8( " Total size: %d bytes" ), total );
       
   258 	#endif
       
   259 	CleanupStack::PopAndDestroy();
       
   260 	aEntryCount = entryCount;
       
   261 	return total;
       
   262     }
       
   263 
       
   264 // ---------------------------------------------------------
       
   265 // CXcapCacheServer::RandomStringL
       
   266 // 
       
   267 // ---------------------------------------------------------
       
   268 //
       
   269 HBufC* CXcapCacheServer::RandomStringL()
       
   270     {
       
   271     const TInt charCount( sizeof( KRandomStringCharArray ) / sizeof( TInt ) );
       
   272     TBuf<KRandStringLength> buffer;
       
   273     buffer.Zero();
       
   274     for( TInt i = 0; i < KRandStringLength;i++ )
       
   275         {
       
   276         TInt index = Math::Random() % charCount;
       
   277         buffer.Append( ( TChar )KRandomStringCharArray[index] );
       
   278         }
       
   279     HBufC* randomHeapBuffer = buffer.AllocL();
       
   280     return randomHeapBuffer;
       
   281     }
       
   282 
       
   283 // ---------------------------------------------------------
       
   284 // CXcapCacheServer::TimeL
       
   285 // 
       
   286 // ---------------------------------------------------------
       
   287 //
       
   288 HBufC* CXcapCacheServer::TimeL()
       
   289     {
       
   290     TTime time;
       
   291     TBuf<KDateMaxSize> timeBuffer;
       
   292     timeBuffer.SetLength( 0 );
       
   293     time.HomeTime();
       
   294     time.FormatL( timeBuffer, KCacheTimeFormat );
       
   295     HBufC* heapTime = timeBuffer.AllocL();
       
   296     return heapTime;
       
   297     }
       
   298 
       
   299 // ---------------------------------------------------------
       
   300 // CXcapCacheServer::DescriptorCast
       
   301 //
       
   302 // ---------------------------------------------------------
       
   303 //
       
   304 TPtr8 CXcapCacheServer::DescriptorCast( const TDesC8& aConstData )
       
   305 	{
       
   306     TInt length = aConstData.Length();
       
   307     TPtr8 constCast( CONST_CAST( TUint8*, aConstData.Ptr() ), length, length );
       
   308     constCast.TrimAll();
       
   309     return constCast;
       
   310 	}
       
   311 
       
   312 // ----------------------------------------------------
       
   313 // CXcapCacheServer::FileSession
       
   314 // 
       
   315 // ----------------------------------------------------
       
   316 //
       
   317 RFs& CXcapCacheServer::FileSession()
       
   318     {
       
   319     return FsSession;
       
   320     }
       
   321 
       
   322 // ----------------------------------------------------
       
   323 // CXcapCacheServer::FileSession
       
   324 // 
       
   325 // ----------------------------------------------------
       
   326 //
       
   327 CXcapCacheIndex* CXcapCacheServer::Index()
       
   328     {
       
   329     return CacheIndex;
       
   330     }
       
   331 
       
   332 // ----------------------------------------------------
       
   333 // CXcapCacheServer::FileSession
       
   334 // 
       
   335 // ----------------------------------------------------
       
   336 //
       
   337 CXcapCacheIndexAdmin* CXcapCacheServer::IndexAdmin()
       
   338     {
       
   339     return CacheIndexAdmin;
       
   340     }
       
   341 
       
   342 // ----------------------------------------------------
       
   343 // CXcapCacheServer::StartThreadL
       
   344 // 
       
   345 // ----------------------------------------------------
       
   346 //
       
   347 EXPORT_C TInt CXcapCacheServer::StartThreadL()
       
   348     {
       
   349     User::LeaveIfError( User::RenameThread( KXcapCacheServerName ) );
       
   350     CActiveScheduler* scheduler = new ( ELeave ) CActiveScheduler;
       
   351     CleanupStack::PushL( scheduler );
       
   352     CActiveScheduler::Install( scheduler );
       
   353     User::LeaveIfError( FsSession.Connect() );
       
   354     CleanupClosePushL( FsSession );
       
   355     CXcapCacheServer::NewLC();
       
   356     CacheIndex = CXcapCacheIndex::NewL();
       
   357     CleanupStack::PushL( CacheIndex );
       
   358     CacheIndexAdmin = CXcapCacheIndexAdmin::NewL();
       
   359     CleanupStack::PushL( CacheIndexAdmin );
       
   360     RProcess::Rendezvous( KErrNone );
       
   361     #ifdef _DEBUG
       
   362         CXcapCacheServer::WriteToLog( _L8( "XcapCacheServer fully running" ) );
       
   363     #endif
       
   364     CActiveScheduler::Start();
       
   365     #ifdef _DEBUG
       
   366         CXcapCacheServer::WriteToLog( _L8( "XcapCacheServer closing..." ) );
       
   367     #endif
       
   368     CleanupStack::PopAndDestroy( 5 );  //CacheIndexAdmin, CacheIndex, server, FsSession, scheduler
       
   369     return KErrNone;
       
   370     }
       
   371 
       
   372 // ----------------------------------------------------
       
   373 // CXcapCacheServer::WriteToLog
       
   374 // 
       
   375 // ----------------------------------------------------
       
   376 //
       
   377 EXPORT_C void CXcapCacheServer::WriteToLog( TRefByValue<const TDesC8> aFmt,... )
       
   378     {
       
   379     VA_LIST list;
       
   380     VA_START( list, aFmt );
       
   381     TBuf8<KServerLogBufferMaxSize> buf;
       
   382     buf.FormatList( aFmt, list );
       
   383     RFileLogger::Write( KCacheServerLogDir, KCacheServerLogFile, EFileLoggingModeAppend, buf );
       
   384     RDebug::RawPrint( buf );
       
   385     }
       
   386     
       
   387