userlibandfileserver/fileserver/sfat32/sl_dir_cache.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 13:38:45 +0200
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child 90 947f0dc9f7a8
permissions -rw-r--r--
Revision: 201001 Kit: 201001
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// Copyright (c) 2008-2009 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 the License "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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// f32\sfat\sl_dir_cache.cpp
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//
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//
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#include "sl_std.h"
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#include "sl_dir_cache.h"
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//======================================================================
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TDynamicDirCachePage::~TDynamicDirCachePage()
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	{
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	}
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/**
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The static cache page creation function.
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Cache page objects are not supposed to be created on the stack, so this factory function is required.
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*/
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TDynamicDirCachePage* TDynamicDirCachePage::NewL(CDynamicDirCache* aOwnerCache, TInt64 aStartMedPos, TUint8* aStartRamAddr)
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	{
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	return new(ELeave) TDynamicDirCachePage(aOwnerCache, aStartMedPos, aStartRamAddr);
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	}
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/**
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Cache page constructor.
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@param	aOwnerCache	pointer of the cache that owns this page
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@param	aStartMedPos	the start address on the media that this page caches
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@param	aStartRamAddr	the start address in the ram that this page content lives
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*/
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TDynamicDirCachePage::TDynamicDirCachePage(CDynamicDirCache* aOwnerCache, TInt64 aStartMedPos, TUint8* aStartRamAddr)
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:iStartMedPos(aStartMedPos),
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iStartRamAddr(aStartRamAddr),
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iOwnerCache(aOwnerCache),
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iValid(EFalse),
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iLocked(EFalse)
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	{
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	//__PRINT3(_L("TDynamicDirCachePage::TDynamicDirCachePage(aStartMedPos=%lx, aStartRamAddr=0x%X, aPageSize=%u)"), aStartMedPos, aStartRamAddr, PageSizeInBytes());
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	iType = EUnknown;
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	}
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/////////////////////////////// class CDynamicDirCache::TLookupEntry ///////////////////////////
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/**
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Required by RHashSet<TLookupEntry> to identify individual hash set entries.
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@see	RHashSet
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*/
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TBool IdentityFunction(const TLookupEntry& aEntry1, const TLookupEntry& aEntry2)
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	{
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	// only check starting med pos for hash searching
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	return aEntry1.iPos == aEntry2.iPos;
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	}
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/**
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Required by RHashSet<TLookupEntry> to generate hash value.
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@see	RHashSet
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*/
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TUint32 HashFunction(const TLookupEntry& aEntry)
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	{
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	return (DefaultHash::Integer(I64HIGH(aEntry.iPos)) + DefaultHash::Integer(I64LOW(aEntry.iPos)));
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	}
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/////////////////////////////// class CDynamicDirCache ///////////////////////////
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CDynamicDirCache::~CDynamicDirCache()
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	{
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	__PRINT(_L("CDynamicDirCache::~CDynamicDirCache()"));
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	// we should never decommit locked pages
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    while (!iLockedQ.IsEmpty())
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		{
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		TDynamicDirCachePage* page = iLockedQ.Last();
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		DeQueue(page);		// remove from queue
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		LookupTblRemove(page->StartPos());	// remove from lookuptable
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		delete page;
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		}
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	ASSERT(iLockedQCount == 0);
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	while (!iUnlockedQ.IsEmpty())
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		{
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		TDynamicDirCachePage* page = iUnlockedQ.Last();
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		DeQueue(page);		// remove from queue
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		LookupTblRemove(page->StartPos());	// remove from lookuptable
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		DecommitPage(page);	// inform cache client to decommit page memory
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		delete page;
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		}
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	ASSERT(iUnlockedQCount == 0);
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	ASSERT(iLookupTable.Count() == 0);
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	iLookupTable.Close();
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    if (iCacheMemoryClient)
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    	iCacheMemoryClient->Reset();
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	}
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/**
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Constructor of CDynamicDirCache.
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@param	aDrive	local drive interface to read/write media
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@param	aMinPageNum	the minimum page number for the cache, includes iActive page and locked pages.
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@param	aMaxPageNum	the maximum page number for the cache, includes iActive page, locked pages and unlocked pages.
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@param	aPageSizeInBytesLog2	the log2 value of page size in bytes, assumes page size is always a power of two
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*/
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CDynamicDirCache::CDynamicDirCache(TDriveInterface& aDrive, TUint32 aMinPageNum, TUint32 aMaxPageNum, TUint32 aPageSizeInBytesLog2)
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:iPageSizeLog2(aPageSizeInBytesLog2),
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iMinSizeInPages(aMinPageNum),
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iMaxSizeInPages(aMaxPageNum),
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iDrive(aDrive),
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iLockedQ(_FOFF(TDynamicDirCachePage, iLink)),
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iUnlockedQ(_FOFF(TDynamicDirCachePage, iLink)),
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iLockedQCount(0),
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iUnlockedQCount(0),
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iHashFunction(HashFunction),
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iIdentityFunction(IdentityFunction),
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iLookupTable(iHashFunction, iIdentityFunction)
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	{
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	iPageSizeInBytes = 1 << aPageSizeInBytesLog2;
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	iCacheDisabled = EFalse;
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    iMinCacheSizeInBytes = aMinPageNum << aPageSizeInBytesLog2;
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    iMaxCacheSizeInBytes = aMaxPageNum << aPageSizeInBytesLog2;
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    ASSERT(iPageSizeInBytes && iPageSizeInBytes <= iMinCacheSizeInBytes && iMinCacheSizeInBytes <= iMaxCacheSizeInBytes);
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	// initial value, will be reset from outside
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	iCacheBasePos = 0;
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	}
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/**
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Second phase constructor of CDynamicDirCache.
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@param	aClientName the identification of cache memeory client this cache connects
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*/
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void CDynamicDirCache::ConstructL(const TDesC& aClientName)
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	{
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//    __PRINT3(_L("CDynamicDirCache::ConstructL(Min=%u, Max=%u, page=%u)"), iMinCacheSizeInBytes, iMaxCacheSizeInBytes, iPageSizeInBytes);
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	CCacheMemoryManager* manager = CCacheMemoryManagerFactory::CacheMemoryManager();
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	if (manager)
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		{
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		// client will register itself onto cache memory manager when created
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		// note this operation may leave under OOM condition
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		iCacheMemoryClient = manager->ConnectClientL(aClientName, iMinSizeInPages * PageSizeInSegs(), iMaxSizeInPages * PageSizeInSegs());
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		}
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	else
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		{
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		User::Leave(KErrNotSupported);
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		}
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	ASSERT(iCacheMemoryClient);
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	if (!iCacheMemoryClient)
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		{
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		User::Leave(KErrNoMemory);
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		}
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	// allocate as many permanently locked pages as there are threads - plus one
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	// otherwise DoMakePageMRU() won't work properly with only one thread
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    //-- At present moment the size of TDrive thread pool is 1 (1 drive thread in a pool)
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	iPermanentlyAllocatedPageCount = 1; 
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	if (iPermanentlyAllocatedPageCount > iMinSizeInPages)
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		iMinSizeInPages = iPermanentlyAllocatedPageCount;
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	for (TUint n=0; n<iPermanentlyAllocatedPageCount; n++)
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		{
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		TDynamicDirCachePage* pPage = AllocateAndLockNewPageL(0);
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		AddFirstOntoQueue(pPage, TDynamicDirCachePage::ELocked);
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		LookupTblAdd(pPage);
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		}
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	}
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/**
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Static factory function of CDynamicDirCache
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*/
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CDynamicDirCache* CDynamicDirCache::NewL(TDriveInterface& aDrive, TUint32 aMinPageNum, TUint32 aMaxPageNum, TUint32 aPageSizeLog2, const TDesC& aClientName)
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    {
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    __PRINT3(_L("CDynamicDirCache::NewL(MinPageNum=%u, MaxPageNum=%u, page=%u)"), aMinPageNum, aMaxPageNum, 1<<aPageSizeLog2);
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    CDynamicDirCache* pSelf = new (ELeave) CDynamicDirCache(aDrive, aMinPageNum, aMaxPageNum, aPageSizeLog2);
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    CleanupStack::PushL(pSelf);
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    pSelf->ConstructL(aClientName);
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    CleanupStack::Pop();
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    return pSelf;
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    }
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/**
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Insert an unlocked page into the last position of the locked queue, may squeeze the original last page into
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the unlocked queue.
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This function is used on last visited but 'unlocked' pages to avoid excessive lock/unlock calls to cache memory
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manager as contiguous entry reading/writing often happens on the same page.
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@param	aPage	the page to be inserted.
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@pre	the page type of aPage should only be TDynamicDirCachePage::EUnknown
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*/
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void CDynamicDirCache::MakePageLastLocked(TDynamicDirCachePage* aPage)
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	{
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	// this function should not be called on active pages
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	ASSERT(aPage->iType == TDynamicDirCachePage::EUnknown);
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	if (iLockedQ.IsEmpty())
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		{
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		// if locked queue is empty, add it onto the locked queue directly
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		AddFirstOntoQueue(aPage, TDynamicDirCachePage::ELocked);
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		}
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	else
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		{
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		// otherwise, we squeeze for the last position on locked queue
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		while (iLockedQCount + 1 >= iMinSizeInPages)
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			{
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			TDynamicDirCachePage* last = iLockedQ.Last();
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			DeQueue(last);
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			UnlockPage(last);
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			AddFirstOntoQueue(last, TDynamicDirCachePage::EUnlocked);
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			}
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		// iLockedQCount + 1 < iMinSizeInPages
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		iLockedQ.AddLast(*aPage);
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		aPage->SetPageType(TDynamicDirCachePage::ELocked);
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		iLockedQCount++;
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		}
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	}
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/**
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    Read data from a single page. If the page is not found or not valid anymore, read media onto iActive page first.
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    The data will be _Appended_ the the descriptor aDes. The caller is responsible for maintaining this descriptor.
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    @param	aPos	the starting position of the media address to be read.
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    @param	aLength	the length of the content to be read.
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    @param	aDes	the descriptor to contain the content.
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    @pre	aLength should be no more than page size.
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*/
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void CDynamicDirCache::ReadDataFromSinglePageL(TInt64 aPos, TInt aLength, TDes8& aDes)
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	{
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    //-- the data section is in the cache page entirely, take data directly from the cache
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	TDynamicDirCachePage* pPage = FindPageByPos(aPos);
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    if (pPage)
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    	{
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		// lock page before reading,
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    	if (LockPage(pPage) != NULL)
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    		{
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    		// read data and append them to the descriptor
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            aDes.Append(pPage->PtrInPage(aPos), aLength);
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15
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            // if page is from unlocked queue, insert it onto the last page of the locked
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            //  queue. this is to avoid excessive locking and unlocking operations that is
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            //  highly likely to happen for following reads.
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            if (pPage->PageType() == TDynamicDirCachePage::EUnlocked)
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            	{
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            	DeQueue(pPage);
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            	MakePageLastLocked(pPage);
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            	}
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    		}
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    	else	// page locking failed
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    		{
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    		ASSERT(pPage->PageType() == TDynamicDirCachePage::EUnlocked);
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    		DeQueue(pPage);
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    		LookupTblRemove(pPage->StartPos());
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    		DecommitPage(pPage);
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    		delete pPage;
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    		pPage = NULL;
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    		}
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    	}
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	if (!pPage)
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		{
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        // if page not found or page data not valid anymore, use active page to read data in
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        pPage = UpdateActivePageL(aPos);
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        // read data and append them to the descriptor
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        aDes.Append(pPage->PtrInPage(aPos), aLength);
15
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    	}
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	}
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//====================================================================
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/**
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Implementation of pure virtual function.
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@see	MWTCacheInterface::ReadL()
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*/
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void CDynamicDirCache::ReadL(TInt64 aPos, TInt aLength, TDes8& aDes)
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	{
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#ifdef _DEBUG
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    if(iCacheDisabled)
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        {
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        // cache is disabled for debug purposes
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        __PRINT(_L("CDynamicDirCache disabled"));
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        User::LeaveIfError(iDrive.ReadNonCritical(aPos, aLength, aDes));
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        return;
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        }
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#endif //_DEBUG
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    aDes.Zero();
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    const TUint32 PageSz = iPageSizeInBytes;//-- cache page size
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    TInt64 pageStartMedPos = CalcPageStartPos(aPos);
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    const TUint32 bytesToPageEnd = (TUint32)(pageStartMedPos + PageSz - aPos); //-- number of bytes from aPos to the end of the page
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//    __PRINT5(_L("CDynamicDirCache::ReadL: aPos=%lx, aLength=%x, page:%lx, pageSz:%x, bytesToPageEnd=%x"), aPos, aLength, pageStartMedPos, PageSz, bytesToPageEnd);
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    // if all data needed is on a single page
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    if((TUint32)aLength <= bytesToPageEnd)
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        {
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        ReadDataFromSinglePageL(aPos, aLength, aDes);
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        }
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    // or data to be read cross cache page boundary or probably we have more than 1 page to read
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    else
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        {
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        __PRINT(_L("CDynamicDirCache::ReadL() CROSS PAGE!"));
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        TUint32 dataLen(aLength);   //-- current data length
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        TInt64  currMediaPos(aPos); //-- current media position
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        //-- 1. read data that are already in the current page
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        ReadDataFromSinglePageL(currMediaPos, bytesToPageEnd, aDes);
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        dataLen -= bytesToPageEnd;
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        currMediaPos += bytesToPageEnd;
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        //-- 2. read whole pages of data
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        while (dataLen >= PageSz)
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        	{
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        	//-- find out if currMediaPos is in cache. If not, find a spare page and read data there
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            ReadDataFromSinglePageL(currMediaPos, PageSz, aDes);
15
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            currMediaPos += PageSz;
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            dataLen -= PageSz;
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        	}
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        //-- 3. read the rest of the data
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        if(dataLen > 0)
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            {
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            ReadDataFromSinglePageL(currMediaPos, dataLen, aDes);
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            }
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        } //else((TUint32)aLength <= bytesToPageEnd)
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	}
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/**
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Write data through a single page. If the page is not found or not valid anymore, read media onto iActive page
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first, then write data through iActive page.
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@param	aPos	the starting position of the media address to be write.
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@param	aData	the starting address that the writing content lives in the ram.
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@param	aDataLen	the length of the content to be written.
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@pre	aDataLen	should be no more than page size.
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*/
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void CDynamicDirCache::WriteDataOntoSinglePageL(TInt64 aPos, const TUint8* aData, TUint32 aDataLen)
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	{
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	ASSERT(aDataLen <= iPageSizeInBytes);
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    //-- the data section is in the cache page entirely, take data directly from the cache
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	TDynamicDirCachePage* pPage = FindPageByPos(aPos);
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    if (pPage)
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    	{
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		// lock page before writing,
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    	if (LockPage(pPage) != NULL)
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    		{
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    		//-- update cache
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            Mem::Copy(pPage->PtrInPage(aPos), aData, aDataLen);
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    		}
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    	else
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    		{
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    		ASSERT(pPage->PageType() == TDynamicDirCachePage::EUnlocked);
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    		DeQueue(pPage);
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    		LookupTblRemove(pPage->StartPos());
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John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   359
    		DecommitPage(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   360
    		delete pPage;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   361
    		pPage = NULL;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   362
    		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   363
    	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   364
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   365
    // if page not found or page data not valid anymore, use active page to read data in
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   366
    if (!pPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   367
    	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   368
        pPage = UpdateActivePageL(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   369
        //-- update cache
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   370
        Mem::Copy(pPage->PtrInPage(aPos), aData, aDataLen);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   371
    	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   372
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   373
	// make sure the page is unlocked after use
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   374
	if (pPage->PageType() == TDynamicDirCachePage::EUnlocked)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   375
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   376
		UnlockPage(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   377
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   378
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   379
	// always make writting events MRU
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   380
	DoMakePageMRU(aPos);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   381
    return;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   382
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   383
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   384
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   385
Implementation of pure virtual function.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   386
@see	MWTCacheInterface::WriteL()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   387
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   388
void CDynamicDirCache::WriteL(TInt64 aPos,const TDesC8& aDes)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   389
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   390
#ifdef _DEBUG
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   391
    if(iCacheDisabled)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   392
        {
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   393
        // cache is disabled for debug purposes
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   394
        __PRINT(_L("CDynamicDirCache disabled"));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   395
        User::LeaveIfError(iDrive.WriteCritical(aPos,aDes));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   396
        return;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   397
        }
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   398
#endif //_DEBUG
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   399
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   400
    TUint32 dataLen = aDes.Size();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   401
    const TUint8* pData   = aDes.Ptr();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   402
    const TUint32 PageSz  = iPageSizeInBytes; //-- cache page size
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   403
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   404
    TInt64 pageStartMedPos = CalcPageStartPos(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   405
    TUint32 bytesToPageEnd = (TUint32)(pageStartMedPos + PageSz - aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   406
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   407
//    __PRINT5(_L("CDynamicDirCache::WriteL: aPos=%lx, aLength=%x, page:%lx, pageSz:%x, bytesToPageEnd=%x"), aPos, dataLen, pageStartMedPos, PageSz, bytesToPageEnd);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   408
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   409
    if(dataLen <= bytesToPageEnd)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   410
        {
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   411
        WriteDataOntoSinglePageL(aPos, pData, dataLen);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   412
        }
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   413
    else
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   414
        {
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   415
        __PRINT(_L("CDynamicDirCache::WriteL() CROSS PAGE!"));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   416
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   417
        //-- Data to be written cross cache page boundary or probably we have more than 1 page to write
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   418
        TInt64  currMediaPos(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   419
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   420
        //-- 1. update the current page
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   421
        WriteDataOntoSinglePageL(currMediaPos, pData, bytesToPageEnd);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   422
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   423
        pData += bytesToPageEnd;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   424
        currMediaPos += bytesToPageEnd;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   425
        dataLen -= bytesToPageEnd;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   426
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   427
        //-- 2. write whole pages of data to the cache
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   428
        while (dataLen >= PageSz)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   429
        	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   430
            WriteDataOntoSinglePageL(currMediaPos, pData, PageSz);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   431
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   432
            pData += PageSz;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   433
            currMediaPos += PageSz;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   434
            dataLen -= PageSz;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   435
        	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   436
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   437
        //-- 3. write the rest of the data
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   438
        if(dataLen > 0)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   439
            {
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   440
            WriteDataOntoSinglePageL(currMediaPos, pData, dataLen);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   441
            }
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   442
        }// else(dataLen <= bytesToPageEnd)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   443
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   444
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   445
    //-- write data to the media
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   446
    const TInt nErr = iDrive.WriteCritical(aPos,aDes);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   447
    if(nErr != KErrNone)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   448
        {//-- some serious problem occured during writing, invalidate cache.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   449
        InvalidateCache();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   450
        User::Leave(nErr);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   451
        }
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   452
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   453
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   454
/**
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   455
    Invalidate the cache
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   456
    @see	MWTCacheInterface::InvalidateCache()
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   457
*/
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   458
void CDynamicDirCache::DoInvalidateCache(void)
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   459
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   460
	__PRINT2(_L("CDynamicDirCache::InvalidateCache(locked=%d, unlocked=%d)"), iLockedQCount, iUnlockedQCount);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   461
	// we should never decommit locked pages as they needs to be reserved anyway
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   462
	// the overhead of unnecessary page committing operations
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   463
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   464
	TInt pagesToRemoveFromLockedQueue = iLockedQCount - iPermanentlyAllocatedPageCount;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   465
	TInt n;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   466
	for (n=0; n<pagesToRemoveFromLockedQueue; n++)
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   467
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   468
		TDynamicDirCachePage* page = iLockedQ.Last();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   469
		DeQueue(page);						// remove from queue
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   470
		LookupTblRemove(page->StartPos());	// remove from lookuptable
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   471
		DecommitPage(page);					// inform cache client to decommit page memory
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   472
		delete page;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   473
		}
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   474
	ASSERT(iLockedQCount == iPermanentlyAllocatedPageCount);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   475
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   476
	TDblQueIter<TDynamicDirCachePage> q(iLockedQ);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   477
	q.SetToFirst();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   478
	while((TDynamicDirCachePage*) q)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   479
		{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   480
		TDynamicDirCachePage* page = q++;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   481
		LookupTblRemove(page->StartPos());// remove from lookuptable
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   482
		ResetPagePos(page);				// reset start media position (0), invalidate page content
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   483
		}
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   484
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   485
	// however we should decommit unlocked pages here
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   486
	while (!iUnlockedQ.IsEmpty())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   487
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   488
		TDynamicDirCachePage* page = iUnlockedQ.Last();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   489
		DeQueue(page);						// remove from queue
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   490
		LookupTblRemove(page->StartPos());	// remove from lookuptable
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   491
		DecommitPage(page);					// inform cache client to decommit page memory
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   492
		delete page;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   493
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   494
	ASSERT(iUnlockedQCount == 0);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   495
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   496
	ASSERT(iLockedQCount == iPermanentlyAllocatedPageCount);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   497
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   498
	ASSERT(iCacheMemoryClient);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   499
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   500
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   501
/**
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   502
Implementation of pure virtual function.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   503
@see	MWTCacheInterface::InvalidateCache()
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   504
*/
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   505
void CDynamicDirCache::InvalidateCache(void)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   506
	{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   507
	DoInvalidateCache();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   508
	}
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   509
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   510
/** this method isn't implemented*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   511
void CDynamicDirCache::InvalidateCachePage(TUint64 /*aPos*/)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   512
    {
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   513
    ASSERT(0);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   514
    }
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   515
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   516
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   517
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   518
Implementation of pure virtual function.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   519
@see	MWTCacheInterface::PosCached()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   520
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   521
TUint32 CDynamicDirCache::PosCached(const TInt64& aPos, TInt64& aCachedPosStart)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   522
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   523
	const TInt64 pageStartMedPos = CalcPageStartPos(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   524
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   525
	// only search the page in lookup table
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   526
	// NOTE: we don't count the active page into acount here,
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   527
	// this is to avoid pulling next pages recursively
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   528
	TDynamicDirCachePage* pPage = LookupTblFind(pageStartMedPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   529
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   530
	// then check if page is still valid if page is on Unlocked Page Queue
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   531
	if (pPage && pPage->PageType() == TDynamicDirCachePage::EUnlocked)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   532
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   533
		if (LockPage(pPage) != NULL)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   534
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   535
//			__PRINT1(_L("CDynamicDirCache::PosCached: page(0x%lx) found on Unlocked Queue!"), aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   536
			// have to unlock it before returning, otherwise there will be memory leak
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   537
			UnlockPage(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   538
    	    aCachedPosStart = pPage->StartPos();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   539
			return pPage->PageSizeInBytes();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   540
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   541
		else	// if the unlocked page is not valid anymore, remove it
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   542
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   543
    		DeQueue(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   544
    		LookupTblRemove(pPage->StartPos());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   545
    		DecommitPage(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   546
    		delete pPage;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   547
    		pPage = NULL;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   548
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   549
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   550
	// otherwise if page is already locked or valid active page
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   551
	else if (pPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   552
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   553
		__PRINT1(_L("CDynamicDirCache::PosCached: page(0x%lx) on Locked Queue!"), aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   554
	    aCachedPosStart = pPage->StartPos();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   555
		return pPage->PageSizeInBytes();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   556
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   557
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   558
	// page is not found or not valid anymore
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   559
	return 0;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   560
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   561
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   562
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   563
Implementation of pure virtual function.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   564
@see	MWTCacheInterface::CacheSizeInBytes()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   565
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   566
TUint32 CDynamicDirCache::CacheSizeInBytes()  const
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   567
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   568
	return iMaxCacheSizeInBytes;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   569
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   570
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   571
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   572
Implementation of pure virtual function.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   573
@see	MWTCacheInterface::Control()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   574
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   575
TInt CDynamicDirCache::Control(TUint32 aFunction, TUint32 aParam1, TAny* aParam2)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   576
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   577
    TInt r = KErrNotSupported;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   578
#ifdef _DEBUG
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   579
    (void)aParam2;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   580
    switch(aFunction)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   581
        {
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   582
        // disable / enable cache, for debug
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   583
        // if aParam1 != 0 cache will be disabled, enabled otherwise
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   584
        case EDisableCache:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   585
            iCacheDisabled = aParam1 ? 1 : 0;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   586
            r = KErrNone;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   587
        break;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   588
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   589
        // dump cache, for debug
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   590
        case EDumpCache:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   591
        	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   592
        	RFs fs;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   593
        	fs.Connect();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   594
        	const TUint32 debugRegister = DebugRegister();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   595
        	fs.SetDebugRegister(debugRegister|KFSYS);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   596
        	Dump();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   597
        	fs.SetDebugRegister(debugRegister);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   598
        	fs.Close();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   599
        	break;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   600
        	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   601
        case ECacheInfo:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   602
        	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   603
        	RFs fs;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   604
        	fs.Connect();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   605
        	const TUint32 debugRegister = DebugRegister();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   606
        	fs.SetDebugRegister(debugRegister|KFSYS);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   607
        	Info();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   608
        	fs.SetDebugRegister(debugRegister);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   609
        	fs.Close();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   610
        	break;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   611
        	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   612
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   613
        default:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   614
            __PRINT1(_L("CDynamicDirCache::Control() invalid function: %d"), aFunction);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   615
            ASSERT(0);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   616
        break;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   617
        }
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   618
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   619
#else
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   620
    (void)aFunction; //-- supress warnings
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   621
    (void)aParam1;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   622
    (void)aParam2;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   623
    User::Invariant(); //-- don't call this method in release build
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   624
#endif //_DEBUG
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   625
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   626
    return r;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   627
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   628
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   629
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   630
Implementation of pure virtual function.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   631
@see	MWTCacheInterface::SetCacheBasePos()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   632
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   633
void CDynamicDirCache::SetCacheBasePos(TInt64 aBasePos)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   634
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   635
	iCacheBasePos = aBasePos;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   636
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   637
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   638
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   639
Implementation of pure virtual function.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   640
@see	MWTCacheInterface::SetCacheBasePos()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   641
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   642
TUint32 CDynamicDirCache::PageSizeInBytesLog2() const
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   643
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   644
	return iPageSizeLog2;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   645
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   646
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   647
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   648
void CDynamicDirCache::DoMakePageMRU(TInt64 aPos)
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   649
	{
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   650
//	__PRINT1(_L("MakePageMRU (%lx)"), aPos);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   651
//	__PRINT4(_L("Current Cache State: iLockedQCount=%d, iUnlockedQCount=%d, iLookupTbl=%d, iMaxSizeInPages=%d"), iLockedQCount, iUnlockedQCount, iLookupTable.Count(), iMaxSizeInPages);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   652
	// check the MRU page first, if it is already the MRU page, we can return immediately
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   653
	TInt64 pageStartMedPos = CalcPageStartPos(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   654
	if (!iLockedQ.IsEmpty())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   655
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   656
		if (iLockedQ.First()->StartPos() == pageStartMedPos)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   657
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   658
			return;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   659
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   660
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   661
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   662
	TDynamicDirCachePage* pPage = FindPageByPos(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   663
    if (pPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   664
    	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   665
    	ASSERT(pPage->IsValid());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   666
		// lock page before make it MRU
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   667
    	if (pPage->PageType() == TDynamicDirCachePage::EUnlocked)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   668
    		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   669
    		ASSERT(!pPage->IsLocked());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   670
        	if (LockPage(pPage) == NULL)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   671
        		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   672
        		DeQueue(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   673
        		LookupTblRemove(pPage->StartPos());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   674
        		DecommitPage(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   675
        		delete pPage;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   676
        		pPage = NULL;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   677
        		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   678
    		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   679
    	else
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   680
    		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   681
    		// error checking: page should either be locked or active
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   682
    		ASSERT(LockPage(pPage) != NULL);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   683
    		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   684
    	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   685
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   686
    // if page not found or page data not valid anymore, use active page to read data
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   687
    if (!pPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   688
    	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   689
        TRAPD(err, pPage = UpdateActivePageL(aPos));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   690
        if (err != KErrNone)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   691
        	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   692
        	// problem occurred reading active page, return immediately.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   693
        	return;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   694
        	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   695
    	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   696
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   697
    // by now, the page is either locked or active page
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   698
	ASSERT(pPage && pPage->IsValid() && pPage->IsLocked());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   699
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   700
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   701
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   702
	TBool allocateNewPage = pPage == iLockedQ.Last() && !CacheIsFull();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   703
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   704
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   705
	switch (pPage->PageType())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   706
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   707
		case TDynamicDirCachePage::EUnlocked:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   708
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   709
			// if page was originally on Unlocked Page Queque, remove it from Unlocked Page Queue, add it
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   710
			// to the Locked Page Queue and make it MRU
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   711
			DeQueue(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   712
			AddFirstOntoQueue(pPage, TDynamicDirCachePage::ELocked);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   713
			// check cache limit
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   714
			CheckThresholds();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   715
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   716
		case TDynamicDirCachePage::ELocked:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   717
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   718
			// otherwise the page was on Locked Page Queue, make it MRU
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   719
			// no need to check cache limit
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   720
			if (pPage != iLockedQ.First())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   721
				{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   722
				DeQueue(pPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   723
				AddFirstOntoQueue(pPage, TDynamicDirCachePage::ELocked);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   724
				}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   725
			break;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   726
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   727
		default:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   728
			ASSERT(0);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   729
		}
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   730
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   731
	if (allocateNewPage)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   732
		{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   733
		TDynamicDirCachePage* nPage = NULL;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   734
		TRAPD(err, nPage = AllocateAndLockNewPageL(0));
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   735
		if (err == KErrNone)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   736
			{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   737
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   738
			// about to add a page to end of locked queue, so lie about iLockedQCount
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   739
			iLockedQCount++;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   740
			CheckThresholds();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   741
			iLockedQCount--;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   742
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   743
			iLockedQ.AddLast(*nPage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   744
			nPage->SetPageType(TDynamicDirCachePage::ELocked);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   745
			++iLockedQCount;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   746
			LookupTblAdd(nPage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   747
			}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   748
		}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   749
	}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   750
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   751
/**
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   752
    Implementation of pure virtual function.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   753
    @see	MDiskSpecialAccessor::MakePageMRU()
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   754
*/
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   755
void CDynamicDirCache::MakePageMRU(TInt64 aPos)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   756
	{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   757
	DoMakePageMRU(aPos);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   758
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   759
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   760
//====================================================================
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   761
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   762
Internal query function, to check if aPos is cached or not. iActive page is included in searching.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   763
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   764
TDynamicDirCachePage* CDynamicDirCache::FindPageByPos(TInt64 aPos)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   765
	{
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   766
//	__PRINT1(_L("CDynamicDirCache::FindPageByPos(aPos=%lx)"), aPos);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   767
    // align the page position
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   768
	TInt64 pageStartMedPos = CalcPageStartPos(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   769
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   770
	// search in lookup table
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   771
	return LookupTblFind(pageStartMedPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   772
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   773
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   774
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   775
read a page length data into iActive page and return iActive page if read is successful.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   776
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   777
TDynamicDirCachePage* CDynamicDirCache::UpdateActivePageL(TInt64 aPos)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   778
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   779
    // align the page position
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   780
	TInt64 pageStartMedPos = CalcPageStartPos(aPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   781
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   782
	ASSERT(!iLockedQ.IsEmpty());
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   783
	TDynamicDirCachePage* activePage = iLockedQ.Last();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   784
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   785
	if (activePage->StartPos() == pageStartMedPos && activePage->IsValid())
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   786
		{
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   787
		return activePage;
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   788
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   789
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   790
	__PRINT2(_L("CDynamicDirCache::UpdateActivePageL(aPos=%lx, active=%lx)"), aPos, activePage->StartPos());
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   791
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   792
	activePage->Deque();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   793
	LookupTblRemove(activePage->StartPos());
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   794
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   795
	// set start med pos value, no other effects, only available to active page
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   796
	activePage->SetPos(pageStartMedPos);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   797
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   798
	// read data, make active page valid
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   799
	TUint8* data = activePage->PtrInPage(activePage->iStartMedPos);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   800
    TPtr8 dataPtr(data, iPageSizeInBytes);
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   801
	
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   802
    const TInt nErr = iDrive.ReadNonCritical(activePage->iStartMedPos, iPageSizeInBytes, dataPtr);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   803
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   804
	iLockedQ.AddLast(*activePage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   805
	LookupTblAdd(activePage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   806
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   807
    if(nErr !=KErrNone)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   808
        {
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   809
        // some serious problem occured during reading, invalidate cache.
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   810
        DoInvalidateCache();
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   811
        User::Leave(nErr);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   812
        }
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   813
    activePage->SetValid(ETrue);
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   814
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   815
    return activePage;
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   816
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   817
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   818
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   819
Check if the number of (locked pages + iActive page) and unlocked pages have exceeded minimum allowed page
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   820
number and maximum allowed page number respectively.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   821
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   822
void CDynamicDirCache::CheckThresholds()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   823
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   824
	while (iLockedQCount + 1 > iMinSizeInPages)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   825
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   826
		TDynamicDirCachePage* movePage = iLockedQ.Last();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   827
		UnlockPage(movePage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   828
		DeQueue(movePage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   829
		TInt err = LookupTblRemove(movePage->StartPos());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   830
		ASSERT(err == KErrNone);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   831
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   832
		// if it is a valid page, add onto unlocked queue
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   833
		if (movePage->StartPos() != 0)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   834
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   835
			ASSERT(movePage->IsValid());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   836
			AddFirstOntoQueue(movePage, TDynamicDirCachePage::EUnlocked);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   837
			err = LookupTblAdd(movePage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   838
			ASSERT(err == KErrNone);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   839
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   840
		else // reserved page, delete
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   841
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   842
			DecommitPage(movePage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   843
			delete movePage;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   844
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   845
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   846
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   847
	// if unlocked queue exceeds limit, delete LRU page
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   848
	// note: all pages on unlocked queue should be valid
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   849
	while (iUnlockedQCount > iMaxSizeInPages - iMinSizeInPages)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   850
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   851
		TDynamicDirCachePage* removePage = iUnlockedQ.Last();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   852
		ASSERT(removePage->StartPos() != 0 && removePage->IsValid());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   853
		DeQueue(removePage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   854
		LookupTblRemove(removePage->StartPos());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   855
		DecommitPage(removePage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   856
		delete removePage;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   857
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   858
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   859
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   860
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   861
Try to create a new page and lock the page content when it is created. This function should only be called
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   862
when creating iActive page or making a page MRU (which might result in page evictions).
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   863
@return	the pointer of the newly created page, or NULL if allocation failed.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   864
@param	aStartMedPos	the starting media address of the page to be created.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   865
@pre	aStartMedPos should not already be existing in the cache.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   866
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   867
TDynamicDirCachePage* CDynamicDirCache::AllocateAndLockNewPageL(TInt64 aStartMedPos)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   868
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   869
	__PRINT1(_L("CDynamicDirCache::AllocateAndLockNewPageL(aStartMedPos=%lx)"), aStartMedPos);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   870
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   871
	TUint8* startRamAddr = iCacheMemoryClient->AllocateAndLockSegments(PageSizeInSegs());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   872
	if (startRamAddr)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   873
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   874
		// create new page and return
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   875
		TDynamicDirCachePage* pPage = TDynamicDirCachePage::NewL(this, aStartMedPos, startRamAddr);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   876
		pPage->SetLocked(ETrue);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   877
		pPage->SetValid(EFalse);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   878
		return pPage;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   879
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   880
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   881
	return NULL;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   882
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   883
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   884
#ifdef _DEBUG
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   885
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   886
Dump cache information, only enabled in debug mode.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   887
@see CDynamicDirCache::Control()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   888
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   889
void CDynamicDirCache::Info() const
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   890
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   891
	__PRINT(_L("======== CDynamicDirCache::Info ========="));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   892
	const TUint32 SegmentSizeInBytesLog2 = CCacheMemoryManagerFactory::CacheMemoryManager()->SegmentSizeInBytesLog2();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   893
	// page size
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   894
	__PRINT1(_L("=== Pages size:               [%d Bytes]"), iPageSizeInBytes);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   895
	__PRINT1(_L("=== Segment size:             [%d Bytes]"), 1 << SegmentSizeInBytesLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   896
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   897
	// data size:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   898
	__PRINT1(_L("=== Min data size:            [%d Bytes]"), iMinSizeInPages << iPageSizeLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   899
	__PRINT1(_L("=== Max data size:            [%d Bytes]"), iMaxSizeInPages << iPageSizeLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   900
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   901
	// memory size:
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   902
	const TUint32 pageMemSizeLog2 = iPageSizeLog2 > SegmentSizeInBytesLog2 ? iPageSizeLog2 : SegmentSizeInBytesLog2;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   903
	__PRINT1(_L("=== Min memory size:          [%d Bytes]"), iMinSizeInPages << pageMemSizeLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   904
	__PRINT1(_L("=== Max memory size:          [%d Bytes]"), iMaxSizeInPages << pageMemSizeLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   905
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   906
	// reserved pages
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   907
	__PRINT1(_L("=== Number of pages reserved: [%d]"), iMinSizeInPages);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   908
	__PRINT1(_L("=== Reserved memory:          [%d Bytes]"), (iMinSizeInPages * PageSizeInSegs()) << SegmentSizeInBytesLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   909
	// locked page num
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   910
	__PRINT1(_L("=== Number of pages locked:   [%d]"), iLockedQCount);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   911
	__PRINT1(_L("=== Locked memory:            [%d Bytes]"), (iLockedQCount * PageSizeInSegs()) << SegmentSizeInBytesLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   912
	// unlocked page num
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   913
	__PRINT1(_L("=== Number of pages unlocked: [%d]"), iUnlockedQCount);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   914
	__PRINT1(_L("=== Unlocked memory:          [%d Bytes]"), (iUnlockedQCount * PageSizeInSegs()) << SegmentSizeInBytesLog2);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   915
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   916
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   917
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   918
Dump cache content, only enabled in debug mode.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   919
@see CDynamicDirCache::Control()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   920
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   921
void CDynamicDirCache::Dump()
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   922
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   923
	__PRINT(_L("======== CDynamicDirCache::Dump ========="));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   924
	if (!iLockedQ.IsEmpty())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   925
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   926
		TDblQueIter<TDynamicDirCachePage> q(iLockedQ);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   927
		q.SetToFirst();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   928
		TInt i = 0;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   929
		while((TDynamicDirCachePage*)q)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   930
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   931
			TDynamicDirCachePage* pP = q++;
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   932
			__PRINT5(_L("=== CDynamicDirCache::iLockedQ\t[%4d](pos=%lx, locked=%d, valid=%d, size=%u)"), i++, pP->StartPos(), pP->IsLocked(), pP->IsValid(), pP->PageSizeInBytes());
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   933
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   934
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   935
	if (!iUnlockedQ.IsEmpty())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   936
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   937
		TDblQueIter<TDynamicDirCachePage> q(iUnlockedQ);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   938
		q.SetToFirst();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   939
		TInt i = 0;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   940
		while((TDynamicDirCachePage*)q)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   941
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   942
			TDynamicDirCachePage* pP = q++;
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   943
			__PRINT5(_L("=== CDynamicDirCache::iUnlockedQ\t[%4d](pos=%lx, locked=%d, valid=%d, size=%u)"), i++, pP->StartPos(), pP->IsLocked(), pP->IsValid(), pP->PageSizeInBytes());
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   944
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   945
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   946
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   947
	if (iLookupTable.Count())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   948
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   949
		TInt i = 0;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   950
		THashSetIter<TLookupEntry> iter(iLookupTable);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   951
		TLookupEntry* pEntry;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   952
		pEntry = (TLookupEntry*) iter.Next();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   953
		while(pEntry)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   954
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   955
			TDynamicDirCachePage* pP = pEntry->iPage;
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
   956
			__PRINT5(_L("=== CDynamicDirCache::iLookupTable\t[%4d](pos=%lx, locked=%d, valid=%d, size=%u)"), i++, pP->StartPos(), pP->IsLocked(), pP->IsValid(), pP->PageSizeInBytes());
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   957
			pEntry = (TLookupEntry*) iter.Next();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   958
			};
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   959
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   960
	__PRINT(_L("===========================================\n"));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   961
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   962
#endif //_DEBUG
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   963
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   964
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   965
Lock an unlocked page, or do nothing if the page is already locked.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   966
@return	TUint8*	pointer of the page to be locked, if locking is successful, otherwise return NULL.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   967
@param	aPage	the pointer of the page to be locked.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   968
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   969
TUint8* CDynamicDirCache::LockPage(TDynamicDirCachePage* aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   970
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   971
	ASSERT(aPage != NULL);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   972
	if (aPage->IsLocked())
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   973
		return aPage->StartPtr();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   974
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   975
	TInt r = iCacheMemoryClient->LockSegments(aPage->StartPtr(), PageSizeInSegs());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   976
	if (r == KErrNone)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   977
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   978
		aPage->SetLocked(ETrue);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   979
		return aPage->StartPtr();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   980
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   981
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   982
	return NULL;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   983
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   984
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   985
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   986
Unlock a locked page.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   987
@return	TInt	KErrNone if unlocking was successful, otherwise system-wide error code.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   988
@param	aPage	the pointer of the page to be unlocked.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   989
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   990
TInt CDynamicDirCache::UnlockPage(TDynamicDirCachePage* aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   991
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   992
	ASSERT(aPage != NULL);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   993
	__PRINT1(_L("CDynamicDirCache::UnlockPage(%lx)"), aPage->StartPos());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   994
	TInt r = iCacheMemoryClient->UnlockSegments(aPage->StartPtr(), PageSizeInSegs());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   995
	if (r == KErrNone)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   996
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   997
		aPage->SetLocked(EFalse);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   998
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
   999
	return r;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1000
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1001
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1002
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1003
Decommit a locked or unlocked page.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1004
@return	TInt	KErrNone if decommition was successful, otherwise system-wide error code.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1005
@param	aPage	the pointer of the page to be decommitted.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1006
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1007
TInt CDynamicDirCache::DecommitPage(TDynamicDirCachePage* aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1008
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1009
	ASSERT(aPage != NULL);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1010
	__PRINT1(_L("CDynamicDirCache::DecommitPage(%lx)"), aPage->StartPos());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1011
	if (aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1012
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1013
		TInt r = iCacheMemoryClient->DecommitSegments(aPage->StartPtr(), PageSizeInSegs());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1014
		if (r == KErrNone)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1015
			{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1016
			aPage->SetLocked(EFalse);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1017
			aPage->SetValid(EFalse);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1018
			}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1019
		return r;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1020
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1021
	return KErrArgument;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1022
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1023
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1024
/////////////////////////// aluxiliary functions //////////////////////////////////
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1025
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1026
Calculate the page size in segments. Segment size is the size of the kernel memory unit that cache memory manager manages.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1027
We are making assumption here about the page size: page size should always be either less than segment size
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1028
or multiple times of segment size
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1029
@return	TUint32	the page size in segments.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1030
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1031
TUint32 CDynamicDirCache::PageSizeInSegs() const
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1032
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1033
	// initialize cache memory manager as all file systems have mounted by now
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1034
	ASSERT(CCacheMemoryManagerFactory::CacheMemoryManager());
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1035
	const TUint32 SegmentSizeInBytesLog2 = CCacheMemoryManagerFactory::CacheMemoryManager()->SegmentSizeInBytesLog2();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1036
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1037
	// Page size should be non-zero
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1038
	ASSERT(iPageSizeInBytes);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1039
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1040
	TUint32 segs = iPageSizeInBytes >> SegmentSizeInBytesLog2;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1041
	return segs > 0 ? segs : 1;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1042
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1043
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1044
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1045
Deque the page from locked queue or unlocked queue. All pages are managed through these two queues, expect iActive
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1046
page.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1047
@param	aPage	the pointer of the page to be dequeued
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1048
@return	TInt	KErrArgument if aPage is invalid, otherwise KErrNone.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1049
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1050
TInt CDynamicDirCache::DeQueue(TDynamicDirCachePage* aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1051
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1052
	ASSERT(aPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1053
	if (!aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1054
		return KErrArgument;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1055
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1056
	if (aPage->iType == TDynamicDirCachePage::ELocked)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1057
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1058
		aPage->Deque();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1059
		aPage->SetPageType(TDynamicDirCachePage::EUnknown);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1060
		--iLockedQCount;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1061
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1062
	else if (aPage->iType == TDynamicDirCachePage::EUnlocked)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1063
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1064
		aPage->Deque();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1065
		aPage->SetPageType(TDynamicDirCachePage::EUnknown);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1066
		--iUnlockedQCount;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1067
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1068
	else
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1069
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1070
		ASSERT(0);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1071
		return KErrArgument;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1072
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1073
	return KErrNone;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1074
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1075
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1076
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1077
Insert a page to the first position of locked queue or unlocked queue.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1078
@param	aPage	the pointer of the page to be inserted.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1079
@param	aType	the type of the queue to be inserted.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1080
@return	TInt	KErrArgument if aPage is invalid, otherwise KErrNone.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1081
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1082
TInt CDynamicDirCache::AddFirstOntoQueue(TDynamicDirCachePage* aPage, TDynamicDirCachePage::TPageType aType)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1083
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1084
	ASSERT(aPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1085
	if (!aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1086
		return KErrArgument;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1087
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1088
	if (aType == TDynamicDirCachePage::ELocked)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1089
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1090
		iLockedQ.AddFirst(*aPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1091
		aPage->SetPageType(TDynamicDirCachePage::ELocked);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1092
		++iLockedQCount;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1093
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1094
	else if (aType == TDynamicDirCachePage::EUnlocked)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1095
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1096
		iUnlockedQ.AddFirst(*aPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1097
		aPage->SetPageType(TDynamicDirCachePage::EUnlocked);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1098
		++iUnlockedQCount;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1099
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1100
	else
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1101
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1102
		ASSERT(0);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1103
		return KErrArgument;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1104
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1105
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1106
	return KErrNone;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1107
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1108
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1109
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1110
Remove a page from the lookup table, indexed by the starting media address of the page content.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1111
@param	aPagePos	the starting media position of the page to be removed.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1112
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1113
TInt CDynamicDirCache::LookupTblRemove(TInt64 aPagePos)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1114
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1115
	if (aPagePos == 0)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1116
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1117
		return KErrNone;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1118
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1119
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1120
	TInt r = iLookupTable.Remove(TLookupEntry(aPagePos, 0, NULL));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1121
	return r;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1122
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1123
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1124
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1125
Insert a page to the lookup table, indexed by the starting media address of the page content.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1126
@param	aPagePos	the starting media position of the page to be inserted.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1127
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1128
TInt CDynamicDirCache::LookupTblAdd(TDynamicDirCachePage* aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1129
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1130
	ASSERT(aPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1131
	if (!aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1132
		return KErrArgument;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1133
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1134
	if (aPage->StartPos() == 0)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1135
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1136
		return KErrNone;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1137
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1138
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1139
	TInt r = iLookupTable.Insert(TLookupEntry(aPage->StartPos(), iPageSizeInBytes, aPage));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1140
	return r;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1141
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1142
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1143
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1144
Reset the media address of the page to 0, also invalidate the page.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1145
@param	aPage	the pointer of the page to be reset.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1146
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1147
TInt CDynamicDirCache::ResetPagePos(TDynamicDirCachePage* aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1148
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1149
	ASSERT(aPage);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1150
	if (!aPage)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1151
		return KErrArgument;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1152
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1153
	aPage->ResetPos();
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1154
	return KErrNone;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1155
	}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1156
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1157
/**
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1158
Search the lookup table to find the page start with a specific media address.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1159
@param	aPos	the starting media address to be searched.
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1160
*/
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1161
TDynamicDirCachePage* CDynamicDirCache::LookupTblFind(TInt64 aPos)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1162
	{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1163
	if (aPos == 0)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1164
		{
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1165
		ASSERT(0);
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1166
		return NULL;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1167
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1168
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1169
	TLookupEntry* entry = iLookupTable.Find(TLookupEntry(aPos, 0, NULL));
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1170
	if(entry)
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1171
		{
33
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
  1172
		// last entry on used queue is used as the 'active' page & may not be valid
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
  1173
		if (!entry->iPage->IsValid())
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
  1174
			return NULL;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 15
diff changeset
  1175
15
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1176
		return entry->iPage;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1177
		}
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1178
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1179
	return NULL;
4122176ea935 Revision: 200948 + Removing redundant base integration tests and fixing build errors
John Imhofe <john.imhofe@nokia.com>
parents:
diff changeset
  1180
	}