MCL/sf/mw/web: comparison webengine/osswebengine/cache/src/HttpCacheManager.cpp

equal deleted inserted replaced

-:10e98eab6f85
+:a359256acfc6
 // INCLUDE FILES
 #include "HttpCacheManager.h"
 #include "HttpCacheHandler.h"
 #include "HttpCacheUtil.h"
+#include "HttpCacheFileWriteHandler.h"
 #include <CenRepNotifyHandler.h>
 #include <HttpCacheManagerInternalCRKeys.h>
 #include <CoreApplicationUIsSDKCRKeys.h>
 #include <centralrepository.h>
 #include <FeatMgr.h>
 // CONSTANTS
 // kbyte
 const TUint KDefaultCacheSize = 1048576; // 1MB = 1024*1024
 _LIT( KDefaultCacheDir, "c:\\cache\\");
+_LIT( KDefaultOperatorCacheDir, "c:\\cache\\op\\");
+_LIT( KDefaultVssCacheDir, "c:\\cache\\vss\\");
 _LIT( KDefaultIndexFile, "index.dat" );
 _LIT( KDefaultOpIndexFile, "index_op.dat" );
 _LIT( KDefaultVSSIndexFile, "index_vss.dat" );
 _LIT( KIndexFileExtension, ".dat" );
+_LIT( KValidationFileExtension, ".val" );
 _LIT8( KVSSHeaderFileldName, "X-Vodafone-Content" );
 _LIT8( KVSSHeaderFileldValue, "Portal" );
 // MACROS
 CleanupStack::Pop();
 return self;
 }
+// -----------------------------------------------------------------------------
 // Destructor
+// -----------------------------------------------------------------------------
 CHttpCacheManager::~CHttpCacheManager()
 {
 delete iOfflineNotifyHandler;
 delete iOfflineRepository;
 delete iCache;
 delete iOperatorCache;
 delete iOpDomain;
 delete iphoneSpecificCache;
 delete iVSSWhiteList;
+delete iFileWriteHandler;
 }
 // -----------------------------------------------------------------------------
 // CHttpCacheManager::VSSRequestCheck
 //
 // -----------------------------------------------------------------------------
 //
-TBool CHttpCacheManager::VSSRequestCheck( const RHTTPTransaction& aTrans,
+TBool CHttpCacheManager::VSSRequestCheckL( const RHTTPTransaction& aTrans,
 const RHTTPHeaders& aHttpHeader,
 const TDesC8& aUrl )
 {
 TBool VSSTransaction ( EFalse );
 if ( iVSSCacheEnabled && HttpCacheUtil::VSSCacheContent( aUrl, iVSSWhiteList ) )
 {
 RStringPool strP = aTrans.Session().StringPool();
 }
 CleanupStack::PopAndDestroy(); // VSSValueStr
 }
 CleanupStack::PopAndDestroy(); // VSSnameStr
 } //end if( iVSSCacheEnabled && HttpCacheUtil::VSSCacheContent( aUrl, iVSSWhiteList ) )
 return VSSTransaction;
 }
 // -----------------------------------------------------------------------------
 // CHttpCacheManager::RequestL
 //
 // -----------------------------------------------------------------------------
 //
 if( status == KErrNotFound && iVSSCacheEnabled )
 {
 status = iphoneSpecificCache->RequestL( aTrans, aCacheMode, aCacheEntry );
 if( (status  == KErrNotReady) || (status == KErrNone ) )
 {
 aCacheEntry.iCacheHandler = iphoneSpecificCache;
 }
 else
 {
 // No entry found in any cache. Default to normal cache
 aCacheEntry.iCacheHandler = cache;
 }
 }
 else
 {
 aCacheEntry.iCacheHandler = cache;
 }
 } //end if( cache )
 }//end  if( iCacheEnabled || iVSSCacheEnabled )
 return status;
 }
 RHTTPTransaction& aTrans,
 TBool& aLastChunk,
 THttpCacheEntry& aCacheEntry )
 {
 HBufC8* bodyStr = NULL;
 if( ( iCacheEnabled || iVSSCacheEnabled ) && aCacheEntry.iCacheHandler )
 {
 bodyStr = aCacheEntry.iCacheHandler->RequestNextChunkL( aTrans, aLastChunk, aCacheEntry );
 }
 return bodyStr;
 }
 // -----------------------------------------------------------------------------
 // CHttpCacheManager::RequestClosed
 //
 EXPORT_C void CHttpCacheManager::ReceivedResponseHeadersL(
 RHTTPTransaction& aTrans,
 THttpCacheEntry& aCacheEntry )
 {
-if( iCacheEnabled || iVSSCacheEnabled )
+if ( iCacheEnabled || iVSSCacheEnabled )
 {
-if( iVSSCacheEnabled && VSSRequestCheck( aTrans, aTrans.Response().GetHeaderCollection(),
+if ( iVSSCacheEnabled &&
-aTrans.Request().URI().UriDes() ) )
+VSSRequestCheckL( aTrans, aTrans.Response().GetHeaderCollection(),
+aTrans.Request().URI().UriDes() ) )
 {
 //Modify the cache handler if VSS specific
 aCacheEntry.iCacheHandler = iphoneSpecificCache;
 }
-if( aCacheEntry.iCacheHandler )
+if ( aCacheEntry.iCacheHandler )
 {
 aCacheEntry.iCacheHandler->ReceivedResponseHeadersL( aTrans, aCacheEntry );
 }
 }
 }
 }
 }
 // -----------------------------------------------------------------------------
 // CHttpCacheManager::RemoveAllL
 // Removes all files from HTTP cache. Also tries to remove orphaned files,
 // i.e files found on disk, but not registered in the cache's lookup table
 // -----------------------------------------------------------------------------
 //
 EXPORT_C TInt CHttpCacheManager::RemoveAllL()
 {
 // do not remove op cache
 if( iCacheEnabled )
 {
 numOfBytes = iCache->RemoveAllL();
 }
 //failure here is not mission critical
 TRAP_IGNORE( RemoveOrphanedFilesL() );
 return numOfBytes;
 }
+// -----------------------------------------------------------------------------
+// FilePathHash
 // Hash function for Symbian file paths: discards case first
+// -----------------------------------------------------------------------------
 static TUint32 FilepathHash(const TDesC& aDes)
 {
 //since this function is intensively used by the HashMap,
 //keeping (slow) heap allocation out of it.
 TBuf<KMaxPath> normalized ( aDes );
 normalized.LowerCase();
 return DefaultHash::Des16( normalized );
 }
-// Comparator for Symbian file paths: Use case-insensitive compare
+// -----------------------------------------------------------------------------
+// FilepathIdent
+// Comparator for Symbian file paths: Use case-insensitive compare
+// -----------------------------------------------------------------------------
 static TBool FilepathIdent(const TDesC& aL, const TDesC& aR)
 {
 return ( aL.CompareF(aR) == 0 );
 }
+// -----------------------------------------------------------------------------
-// -----------------------------------------------------------------------------
+// CHttpCacheManager::RemoveOrphanedFilesL
-// CHttpCacheManager::RemoveOrphanedFilesL
 // Removes header/body files that exist on the file-system, but are not known to the in-memory Cache lookup table(s)
 // We do this because cache performance degrades substantially if there are too many files in a Symbian FAT32 directory.
 // Browser crash or out-of-battery situations may cause SaveLookuptable() to be not called, leading to such "orphaned files".
 // Due to high file-server interaction, don't call this method from performance critical code.
 // -----------------------------------------------------------------------------
 void CHttpCacheManager::RemoveOrphanedFilesL()
 {
+//Map that contains pointers to fully-qualified file paths as Keys, and "to be deleted flag" as Value.
-//Map that contains pointers to fully-qualified file paths as Keys, and "to be deleted flag" as Value.
 RPtrHashMap<TDesC, TInt> onDiskFilesMap(&FilepathHash, &FilepathIdent);
 CleanupClosePushL( onDiskFilesMap );
 //Pointers to the following TInt are used as VALUES in the HashMap...
 // so they must be in scope for the lifecycle of the HashMap.
 const TInt needsDelete( 1 );
 const TInt noDelete( 0 );
 //collects objects that need to be deleted later on
 RPointerArray<HBufC> cleanupList;
 CleanupResetAndDestroyPushL( cleanupList );
 RFs rfs = CCoeEnv::Static()->FsSession();
 CDirScan* scanner = CDirScan::NewLC( rfs );
 CDir* matchingFiles( 0 );
 //Step 1. Find out all files on disk: by walking the directory hierarchy, one directory at a time
 for (;;)
 {
 //1a. Get list of files in current directory, NULL if no directory left in tree
 scanner->NextL( matchingFiles );
 if ( !matchingFiles )
 break;
 TPtrC dir( scanner->FullPath() );
 //1b. Add any files found to the HashTable
 const TInt nMatches = matchingFiles->Count();
 for ( TInt i = 0; i < nMatches; i++ )
 {
 TEntry entry ( (*matchingFiles)[i] ) ;
-if (entry.iName.Right( KIndexFileExtension().Length() ).
+TPtrC ext( entry.iName.Right( KIndexFileExtension().Length() ));
-CompareF( KIndexFileExtension ) != 0) // ignore any .dat index files
+if ( ext.CompareF( KIndexFileExtension ) != 0 && // ignore any .dat index files
+ext.CompareF( KValidationFileExtension ) != 0 ) // ignore any .val index files
 {
 HBufC* fullPath = HBufC::NewL( dir.Length() +  entry.iName.Length() );
 cleanupList.Append( fullPath ); //keep object safe for later destruction
 fullPath->Des().Append( dir );
 fullPath->Des().Append( entry.iName ); //a fully qualified file path
 onDiskFilesMap.Insert( fullPath, &needsDelete ); //add to the hash
 }
 }
 delete matchingFiles;
 } // End of step 1: adding all known files on disk to Map
 CleanupStack::PopAndDestroy( 1, scanner );
 #ifdef __CACHELOG__
 {
-RDebug::Print(_L("-----------START PRINTING MAP OF SIZE %d---------"), onDiskFilesMap.Count());
+HttpCacheUtil::WriteFormatLog(0, _L("-----------START PRINTING MAP OF SIZE %d---------"), onDiskFilesMap.Count());
 TPtrHashMapIter<TDesC, TInt> iter(onDiskFilesMap);
 const TDesC* key;
 while ((key = iter.NextKey()) != 0)
 {
 const TInt val = *(iter.CurrentValue());
-RDebug::Print(_L("MAP WALK: %S, with value = %d "), key, val);
+HttpCacheUtil::WriteFormatLog(0, _L("MAP WALK: %S, with value = %d "), key, val);
 }
-RDebug::Print(_L("-----------DONE PRINTING MAP-------------"));
+HttpCacheUtil::WriteFormatLog(0, _L("-----------DONE PRINTING MAP-------------"));
 }
 #endif
 //Step 2. Get list of known (non-orphaned) files in each Cache's in-memory lookup table. Flag them as DO NOT DELETE
 RPointerArray<TDesC> knownFiles;
 CleanupClosePushL( knownFiles );
 //Ask CacheHandlers to add their KNOWN files to this array. No ownership transfer occurs.
 //Don't go ahead if any of the cache handlers choke to insure correct deletion of files.
 if (iCache)
 User::LeaveIfError( iCache->ListFiles( knownFiles ) );
 if (iOperatorCache)
 User::LeaveIfError( iOperatorCache->ListFiles( knownFiles ) );
 if (iphoneSpecificCache)
 User::LeaveIfError( iphoneSpecificCache->ListFiles( knownFiles ) );
 //2a. HashTable lookup, and modification of flag
 for (TInt i = 0; i < knownFiles.Count(); i++)
 {
 //lookup filename
 TInt* ptr = onDiskFilesMap.Find( *(knownFiles[i]) );
 if (ptr)
 {
 // Reinsert into Map, this time with NO DELETE
 onDiskFilesMap.Insert( knownFiles[i], &noDelete );
+#if 0 // no header files any more.
 // Add the header file to HashMap
 HBufC* headerFile = HBufC::NewL( KHttpCacheHeaderExt().Length() +  (*(knownFiles[i])).Length() );
 cleanupList.Append( headerFile ); //keep for later destruction
 TPtr ptr( headerFile->Des() );
 HttpCacheUtil::GetHeaderFileName( *(knownFiles[i]), ptr );
 onDiskFilesMap.Insert( headerFile, &noDelete ); // register Header files as NO DELETE
-}
+#endif
 }
+}
-knownFiles.Close();
+knownFiles.Close();
 CleanupStack::Pop( 1, &knownFiles );
 //Step 3. Delete all files on disk that don't belong to any of the Cache Handlers.
 CFileMan* fileMan = CFileMan::NewL( rfs );
 TPtrHashMapIter<TDesC, TInt> iter( onDiskFilesMap );
 fileMan->Delete( *key );
 }
 }
 delete fileMan;
 CleanupStack::Pop(1, &cleanupList);
 cleanupList.ResetAndDestroy(); //should delete all HBufC objects
 CleanupStack::Pop(1, &onDiskFilesMap);
 onDiskFilesMap.Close(); // doesn't own any K,V object
 }
 // -----------------------------------------------------------------------------
 // CHttpCacheManager::RemoveL
 //
 // read cache settings
 CRepository* repository = CRepository::NewLC( KCRUidCacheManager );
 CRepository* repositoryDiskLevel = CRepository::NewLC( KCRUidDiskLevel );
 TInt err;
+// Get Cache Postpone Parameters.
+//
+THttpCachePostponeParameters postpone;
+if (KErrNone == repository->Get(KCacheWritePostponeEnabled, postpone.iEnabled) )
+{
+User::LeaveIfError( repository->Get( KCacheWritePostponeFreeRAMThreshold, postpone.iFreeRamThreshold ) );
+User::LeaveIfError( repository->Get( KCacheWritePostponeImmediateWriteThreshold, postpone.iImmediateWriteThreshold ) );
+User::LeaveIfError( repository->Get( KCacheWritePostponeWriteTimeout, postpone.iWriteTimeout ) );
+}
 // cache on/off
 TInt cacheEnabled( 0 );
 err = repository->Get( KCacheManagerHttpCacheEnabled, cacheEnabled );
 iCacheEnabled = cacheEnabled;
 // unless it is already there
 if( iCacheFolder.LocateReverse( '\\' ) != iCacheFolder.Length() - 1  )
 {
 iCacheFolder.Append( _L("\\") );
 }
-	// get drive letter for sysutil
+// get drive letter for sysutil
-	TParsePtrC pathParser( iCacheFolder );
+TParsePtrC pathParser( iCacheFolder );
-	TDriveUnit drive = pathParser.Drive();
+TDriveUnit drive = pathParser.Drive();
-	// get critical level
+// get critical level
-	// RAM drive can have different critical level
+// RAM drive can have different critical level
-	TVolumeInfo vinfo;
+TVolumeInfo vinfo;
-	User::LeaveIfError( CCoeEnv::Static()->FsSession().Volume( vinfo, drive ) );
+User::LeaveIfError( CCoeEnv::Static()->FsSession().Volume( vinfo, drive ) );
-	//
+//
-	TInt criticalLevel;
+TInt criticalLevel;
-	User::LeaveIfError( repositoryDiskLevel->Get( ( vinfo.iDrive.iType == EMediaRam ? KRamDiskCriticalLevel : KDiskCriticalThreshold ),
+User::LeaveIfError( repositoryDiskLevel->Get( ( vinfo.iDrive.iType == EMediaRam ? KRamDiskCriticalLevel : KDiskCriticalThreshold ),
-		criticalLevel ) );
+criticalLevel ) );
-if( (err == KErrNone) && iCacheEnabled )
+if ( (err == KErrNone) && iCacheEnabled )
 {
 // create cache handler
-iCache = CHttpCacheHandler::NewL( cacheSize, iCacheFolder, KDefaultIndexFile(), criticalLevel );
+iCache = CHttpCacheHandler::NewL( cacheSize, iCacheFolder, KDefaultIndexFile(), criticalLevel, postpone);
 // create operator cache. same settings
-if( FeatureManager::FeatureSupported( KFeatureIdOperatorCache ) )
+if ( FeatureManager::FeatureSupported( KFeatureIdOperatorCache ) )
 {
 TBuf<512> url;
 // if domain is missing, then no need to read further
-if( repository->Get( KOperatorDomainUrl, url ) == KErrNone )
+if ( repository->Get( KOperatorDomainUrl, url ) == KErrNone )
 {
 HBufC8* opDomain8 = HBufC8::NewL( url.Length() );
 CleanupStack::PushL(opDomain8);
 opDomain8->Des().Append( url );
 TInt slashPos = opDomain8->LocateReverse('/');
-if(slashPos == -1)
+if (slashPos == -1)
 {
 slashPos = 0;
 }
-TPtrC8 temp = opDomain8->Left(slashPos);
-iOpDomain = temp.AllocL();
+TPtrC8 temp = opDomain8->Left(slashPos);
-CleanupStack::PopAndDestroy(opDomain8);
+iOpDomain = temp.AllocL();
+CleanupStack::PopAndDestroy(opDomain8);
 // op cache size
 TInt opCacheSize( KDefaultCacheSize );
 repository->Get( KOperatorCacheSize, opCacheSize );
 // op cache folder
-TFileName opCacheFolder( KDefaultCacheDir );
+TFileName opCacheFolder( KDefaultOperatorCacheDir );
 repository->Get( KOperatorCacheFolder, opCacheFolder );
-if( opCacheFolder.LocateReverse( '\\' ) != opCacheFolder.Length() - 1  )
+if ( opCacheFolder.LocateReverse( '\\' ) != opCacheFolder.Length() - 1  )
 {
 opCacheFolder.Append( _L("\\") );
 }
 // create op cache
-iOperatorCache = CHttpCacheHandler::NewL( opCacheSize, opCacheFolder, KDefaultOpIndexFile(), criticalLevel );
+iOperatorCache = CHttpCacheHandler::NewL( opCacheSize, opCacheFolder, KDefaultOpIndexFile(), criticalLevel, postpone);
 }
 } //end if( FeatureManager::FeatureSupported( KFeatureIdOperatorCache ) )
 } //end if( iCacheEnabled )
 TInt VSScacheEnabled( 0 );
 err = repository->Get( KPhoneSpecificCacheEnabled, VSScacheEnabled );
 iVSSCacheEnabled = VSScacheEnabled;
-if( (err == KErrNone) && iVSSCacheEnabled )
+if ( (err == KErrNone) && iVSSCacheEnabled )
 {
 // cache size
 TInt VSScacheSize( KDefaultCacheSize );
 repository->Get( KPhoneSpecificCacheSize, VSScacheSize );
 // cache folder
-TFileName VSScacheFolder( KDefaultCacheDir );
+TFileName VSScacheFolder( KDefaultVssCacheDir );
 // ignore cache folder. use c:\ to save memory. (same for operator cache. see below)
 repository->Get( KPhoneSpecificCacheFolder, VSScacheFolder );
 // fix folder by appending trailing \\ to the end -symbian thing
 // unless it is already there
 if( VSScacheFolder.LocateReverse( '\\' ) != VSScacheFolder.Length() - 1  )
 }
 //Get the white list
 TBuf<2048> whiteList;
-if( repository->Get( KPhoneSpecificCacheDomainUrl, whiteList ) == KErrNone )
+if ( repository->Get( KPhoneSpecificCacheDomainUrl, whiteList ) == KErrNone )
 {
 iVSSWhiteList = HBufC8::NewL( whiteList.Length() );
 iVSSWhiteList->Des().Append( whiteList );
 }
 else
 {
 iVSSWhiteList = NULL;
 }
 // create cache handler
-iphoneSpecificCache = CHttpCacheHandler::NewL( VSScacheSize, VSScacheFolder, KDefaultVSSIndexFile(), criticalLevel );
+iphoneSpecificCache = CHttpCacheHandler::NewL( VSScacheSize, VSScacheFolder, KDefaultVSSIndexFile(), criticalLevel, postpone);
 }
 CleanupStack::PopAndDestroy(2); // repository, , repositoryDiskLevel
 }
 // -----------------------------------------------------------------------------
 // CHttpCacheManager::CacheHandler
 cache = ( ( iOpDomain && HttpCacheUtil::OperatorCacheContent( iOpDomain->Des(), aUrl ) ) ? iOperatorCache : iCache );
 }
 return cache;
 }
 //  End of File

changeset 10	a359256acfc6
parent 1	7c90e6132015
child 11	c8a366e56285