--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xdmprotocols/XcapProtocol/XcapCache/Server/src/XcapCacheIndexAdmin.cpp Tue Feb 02 01:05:17 2010 +0200
@@ -0,0 +1,284 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: CXcapCacheIndexAdmin
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include "ServerDefines.h"
+#include "XcapCacheServer.h"
+#include "XcapCacheIndexAdmin.h"
+#include "XcapCacheIndexTableEntry.h"
+
+// ----------------------------------------------------------
+// CXcapCacheIndexAdmin::CXcapCacheIndexAdmin
+//
+// ----------------------------------------------------------
+//
+CXcapCacheIndexAdmin::CXcapCacheIndexAdmin()
+ {
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheIndexAdmin::NewL
+//
+// ----------------------------------------------------------
+//
+CXcapCacheIndexAdmin* CXcapCacheIndexAdmin::NewL()
+ {
+ CXcapCacheIndexAdmin* self = new( ELeave ) CXcapCacheIndexAdmin();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop();
+ return self;
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheIndexAdmin::~CXcapCacheIndexAdmin
+//
+// ----------------------------------------------------------
+//
+CXcapCacheIndexAdmin::~CXcapCacheIndexAdmin()
+ {
+ iEntryList.ResetAndDestroy();
+ iEntryList.Close();
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheIndexAdmin::ConstructL
+//
+// ----------------------------------------------------------
+//
+void CXcapCacheIndexAdmin::ConstructL()
+ {
+ TInt length = 0;
+ RFile indexTable = InitialisePageFileL();
+ CleanupClosePushL( indexTable );
+ User::LeaveIfError( indexTable.Size( length ) );
+ if( length > 0 )
+ {
+ HBufC8* data = HBufC8::NewLC( length );
+ TPtr8 pointer( data->Des() );
+ User::LeaveIfError( indexTable.Read( pointer ) );
+ ReadEntriesL( pointer );
+ CleanupStack::PopAndDestroy(); //data
+ }
+ CleanupStack::PopAndDestroy(); //index
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheIndex::InitialisePageFileL
+//
+// ----------------------------------------------------------
+//
+RFile CXcapCacheIndexAdmin::InitialisePageFileL()
+ {
+ RFile ret;
+ TInt error = ret.Open( CXcapCacheServer::FileSession(), KCacheServerPageFile,
+ EFileShareExclusive | EFileRead | EFileWrite );
+ //No need to check the path at this time, because needed
+ //directories have already been created by the CacheIndex
+ //object if they didn't exist before the server was launched
+ if( error != KErrNone )
+ User::LeaveIfError( ret.Create( CXcapCacheServer::FileSession(), KCacheServerPageFile,
+ EFileShareExclusive | EFileRead | EFileWrite ) );
+ return ret;
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheIndexAdmin::UpdateIndexTableL
+//
+// ----------------------------------------------------------
+//
+void CXcapCacheIndexAdmin::UpdateIndexTableL( TInt aIndex, const TCacheEntryInfo* aHeader )
+ {
+ CXcapCacheIndexTableEntry* entry =
+ CXcapCacheIndexTableEntry::NewL( aIndex, *aHeader->iRootUri,
+ *aHeader->iDocumentUri );
+ CleanupStack::PushL( entry );
+ User::LeaveIfError( iEntryList.Append( entry ) );
+ CleanupStack::Pop(); //entry
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheSession::ReadIndexL
+//
+// ----------------------------------------------------------
+//
+TInt CXcapCacheIndexAdmin::ReadIndexL( const CXcapCacheIndexTableEntry& aEntry )
+ {
+ TBool found = EFalse;
+ TInt ret = KErrNotFound;
+ TInt count = iEntryList.Count();
+ CXcapCacheIndexTableEntry* entry = NULL;
+ for( TInt i = 0;!found && i < count;i++ )
+ {
+ entry = iEntryList[i];
+ if( *entry == aEntry )
+ {
+ ret = entry->Index();
+ found = ETrue;
+ }
+ }
+ return ret;
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheSession::FindL
+//
+// ----------------------------------------------------------
+//
+CXcapCacheIndexTableEntry* CXcapCacheIndexAdmin::FindL( TInt& aTableIndex,
+ const TDesC8& aRootUri,
+ const TDesC& aDocumentUri )
+ {
+ #ifdef _DEBUG
+ CXcapCacheServer::WriteToLog( _L8( "CXcapCacheIndexAdmin::FindL()" ) );
+ #endif
+ TBool found = EFalse;
+ TInt count = iEntryList.Count();
+ CXcapCacheIndexTableEntry* entry = NULL;
+ if( count > 0 )
+ {
+ CXcapCacheIndexTableEntry* newEntry = CXcapCacheIndexTableEntry::NewL(
+ aRootUri, aDocumentUri );
+ for( TInt i = 0;!found && i < count;i++ )
+ {
+ CXcapCacheIndexTableEntry* listEntry = iEntryList[i];
+ if( *newEntry == *listEntry )
+ {
+ aTableIndex = i;
+ entry = iEntryList[i];
+ found = ETrue;
+ }
+ }
+ delete newEntry;
+ newEntry = NULL;
+ }
+ return entry;
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheSession::RemoveTableIndexL
+//
+// ----------------------------------------------------------
+//
+void CXcapCacheIndexAdmin::RemoveTableIndex( TInt aIndex )
+ {
+ TInt count = iEntryList.Count();
+ if( count > 0 && aIndex >= 0 && aIndex < count )
+ {
+ CXcapCacheIndexTableEntry* entry = iEntryList[aIndex];
+ iEntryList.Remove( aIndex );
+ delete entry;
+ entry = NULL;
+ for( TInt i = aIndex;i < count - 1;i++ )
+ {
+ CXcapCacheIndexTableEntry* z = iEntryList[i];
+ z->Decrease();
+ }
+ }
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheSession::StoreIndexTableL
+//
+// ----------------------------------------------------------
+//
+void CXcapCacheIndexAdmin::StoreIndexTableL()
+ {
+ RFile indexTable;
+ TInt count = iEntryList.Count();
+ if( count > 0 )
+ {
+ TBuf8<7> numBuf;
+ User::LeaveIfError( indexTable.Replace( CXcapCacheServer::FileSession(),
+ KCacheServerPageFile, EFileWrite ) );
+ CleanupClosePushL( indexTable );
+ for( TInt i = 0;i < count;i++ )
+ {
+ numBuf.AppendNum( iEntryList[i]->Index() );
+ indexTable.Write( iEntryList[i]->RootUri() );
+ indexTable.Write( KValueFieldSeparator );
+ indexTable.Write( iEntryList[i]->DocumentUri() );
+ indexTable.Write( KPageFileSeparator );
+ indexTable.Write( numBuf );
+ indexTable.Write( KIndexFileEndOfLine );
+ numBuf.Zero();
+ }
+ CleanupStack::PopAndDestroy(); //indexTable
+ }
+ else
+ {
+ CFileMan* manager = CFileMan::NewL( CXcapCacheServer::FileSession() );
+ manager->Delete( KCacheServerPageFile );
+ delete manager;
+ manager = NULL;
+ }
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheSession::UpdatePageFileL
+//
+// ----------------------------------------------------------
+//
+void CXcapCacheIndexAdmin::ReadEntriesL( TPtr8& aDataDesc )
+ {
+ TBool finished = EFalse;
+ while( !finished && aDataDesc.Length() > 0 )
+ {
+ //If we find that there is still more data, but no \r\n
+ //to denote the end of an entry, simply quit. The data
+ //format has most probably been corrupted at some point.
+ TInt entryIndex = aDataDesc.FindF( KIndexFileEndOfLine );
+ if( entryIndex > 0 )
+ {
+ TPtrC8 one = aDataDesc.Left( entryIndex );
+ CXcapCacheIndexTableEntry* entry = ParseOneEntryL( one );
+ CleanupStack::PushL( entry );
+ User::LeaveIfError( iEntryList.Append( entry ) );
+ CleanupStack::Pop();
+ aDataDesc.Delete( 0, entryIndex + 2 );
+ }
+ else finished = ETrue;
+ }
+ }
+
+// ----------------------------------------------------------
+// CXcapCacheSession::ParseOneEntryL
+//
+// ----------------------------------------------------------
+//
+CXcapCacheIndexTableEntry* CXcapCacheIndexAdmin::ParseOneEntryL( const TDesC8& aEntryData )
+ {
+ CXcapCacheIndexTableEntry* ret = NULL;
+ TInt rootIndex = aEntryData.FindF( KValueFieldSeparator );
+ if( rootIndex > 0 )
+ {
+ TPtrC8 root( aEntryData.Left( rootIndex ) );
+ TInt docIndex = aEntryData.FindF( KPageFileSeparator );
+ TPtrC8 doc( aEntryData.Mid( rootIndex + 1, docIndex - ( rootIndex + 1 ) ) );
+ TPtrC8 pos( aEntryData.Mid( docIndex + 1, aEntryData.Length() - ( docIndex + 1 ) ) );
+ TInt index( CXcapCacheServer::ConvertDesc( pos ) );
+ ret = CXcapCacheIndexTableEntry::NewL( index, root, doc );
+ }
+ return ret;
+ }
+
+
+
+