--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/version1/mbufmgr/INC/MBufPoolManager.h Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,98 @@
+/**
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* CMBufPoolManager decleration
+*
+*
+*/
+
+
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef MBUF_POOL_MANAGER_H
+#define MBUF_POOL_MANAGER_H
+
+#include <e32def.h> // for std types
+#include "MBufSizeAllocator.h" // for MMBufSizeAllocator
+#include "MBufManager.h" // for CMBufManager
+
+class CMBufPoolManager : public CActive, public MMBufSizeAllocator
+ {
+
+public:
+ static CMBufPoolManager* NewL(TInt aMaxAllocSize, CMBufManager& aMBufManager);
+ virtual ~CMBufPoolManager();
+
+ CMBufMemoryAllocator& Memory();
+
+ void WaitForNewPoolRequest();
+ TInt BackgroundAllocateNewPool(RMBufPoolChain& aPoolChain, TInt aNumMBufs);
+
+ void AddL(TInt aMBufSize, TInt aInitialAllocation, TInt aMinGrowth, TInt aGrowthThreshold);
+ TInt Commit();
+
+ RMBuf* Alloc(TInt aSize, TInt aMinMBufSize, TInt aMaxMBufSize, TBool aIsAllocPool);
+ TInt AllocPool(RMBufPoolChain& aPoolChain, TInt aSize, TBool aIsSynchronous);
+ void Free(RMBuf* aMBuf, TBool aIsPreAlloc);
+ TUint LargestMBufSize() {return iLargestMBufSize;}
+ TInt NextMBufSize(TInt aSize);
+ TInt BytesAvailable();
+ TInt BytesAvailable(TInt aSize);
+ TInt BytesAllocated();
+
+ TInt __DbgCheckBuffer(RMBuf* aBuf);
+ TUint __DbgGetBufSpace();
+ TUint __DbgGetBufSpace(TUint aMBufSize);
+ TUint __DbgGetBufTotal();
+ TUint __DbgGetBufTotal(TUint aMBufSize);
+ RMBuf* __DbgMBufChain();
+ RMBuf* __DbgMBufChain(TUint aMBufSize);
+ void __DbgSetPoolLimit(TInt aCount);
+ void __DbgSetPoolLimit(TInt aCount, TUint aMBufSize);
+
+private:
+ CMBufPoolManager(TInt aMaxAllocSize, CMBufManager& aMBufManager);
+ void ConstructL(TInt aMaxAllocSize);
+
+ virtual void DoCancel();
+ virtual void RunL();
+
+ void LinearSearchAlloc(RMBufQ& aList, TInt aSize, TInt aMinMBufSize, TInt aMaxMBufSize, TBool aIsAllocPool);
+
+ virtual void CreatePool(CMBufPool* &aNewpool, RMBufPoolChain& aMBufPoolChain);
+
+ RArray<RMBufPoolChain> iPoolChains;
+
+ RWorkerLock iPoolChainLock;
+ RThread iMBufMgrOwnerThread;
+ TBool iSignalled;
+ TInt iNextMBufSize; // Next requested growth request
+
+ TInt iLargestMBufSize;
+
+ TInt iMaxAllocSize;
+ TInt iAllocSize;
+
+ TBool iCommitted;
+
+ CMBufManager& iMBufManager; // for callback after freeing
+ CMBufMemoryAllocator* iMemoryAllocator;
+
+ };
+
+#endif // MBUF_POOL_MANAGER_H