commsfwutils/commsbufs/version1/mbufmgr/TS_mbufmgr/TestStepCTMbufmgr.cpp
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     1 // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // Contains definition of CTestStepCTMbufmgr which is the base class
       
    15 // for all the Mbufmgr Test Step classes
       
    16 //
       
    17 
       
    18 // Test system includes
       
    19 #include <networking/log.h>
       
    20 #include <networking/teststep.h>
       
    21 #include "TestStepCTMbufmgr.h"
       
    22 #include "TestSuiteCTMbufmgr.h"
       
    23 #include <networking/testsuite.h>
       
    24 
       
    25 // constructor
       
    26 CTestStepCTMbufmgr::CTestStepCTMbufmgr()
       
    27 	{
       
    28 	}
       
    29 
       
    30 // destructor
       
    31 CTestStepCTMbufmgr::~CTestStepCTMbufmgr()
       
    32 	{
       
    33 	}
       
    34 
       
    35 void CTestStepCTMbufmgr::StripeMem(TUint8 *aBuf,
       
    36 								   TInt aStartPos,
       
    37 								   TInt anEndPos,
       
    38 								   TUint aStartChar,
       
    39 								   TUint anEndChar)
       
    40 	{
       
    41 	TUint character=aStartChar;
       
    42 	for (TInt i=aStartPos;i<anEndPos;i++)
       
    43 		{
       
    44 		aBuf[i]=(TText8)character;
       
    45 		if(++character>anEndChar) character=aStartChar;
       
    46 		}
       
    47 	}
       
    48 
       
    49 void CTestStepCTMbufmgr::StripeDes(TDes8 &aBuf,
       
    50 								   TInt aStartPos,
       
    51 								   TInt anEndPos,
       
    52 								   TUint aStartChar,
       
    53 								   TUint anEndChar)
       
    54 // Mark a buffer with repeating byte pattern
       
    55 	{
       
    56 	__ASSERT_ALWAYS(aStartChar<=anEndChar, User::Panic(_L("MBufTest"),0));
       
    57 	__ASSERT_ALWAYS(aStartPos<=anEndPos, User::Panic(_L("MBufTest"),0));
       
    58 	__ASSERT_ALWAYS(anEndPos<=aBuf.Length(), User::Panic(_L("MBufTest"),0));
       
    59 
       
    60 	StripeMem((TUint8 *)aBuf.Ptr(), aStartPos, anEndPos, aStartChar, anEndChar);
       
    61 	}
       
    62 
       
    63 // create an mbuf manager instance with some arbitrary default mbuf size alloc info
       
    64 // - refer CMBufManager::NewL notes regarding explaination of why this is deliberately not done within the mbuf manager
       
    65 static const TInt KMBuf_MBufSize = 128;
       
    66 static const TInt KMBuf_MinGrowth = 64;
       
    67 static const TInt KMBuf_GrowthThreshold = 40;
       
    68 #define SYMBIAN_MBUFMGR_BACKGROUND_ALLOCATION
       
    69 #ifndef SYMBIAN_MBUFMGR_BACKGROUND_ALLOCATION
       
    70 static const TInt KMBuf_InitialAllocation = 128;
       
    71 #endif
       
    72 CMBufManager * CTestStepCTMbufmgr::CreateInstanceMBufMgrL(TInt aMaxHeapSize)
       
    73 	{
       
    74 	MMBufSizeAllocator* mbufSizeAllocator;
       
    75 	CMBufManager* mngr;
       
    76 	mngr = CreateInstanceMBufMgrL(aMaxHeapSize, mbufSizeAllocator);
       
    77 	if (iMBMngr)
       
    78 			{
       
    79 #ifdef SYMBIAN_MBUFMGR_BACKGROUND_ALLOCATION
       
    80 			// this method used for tests that dont do background allocation so make the
       
    81 			// pool big enough to fill the heap
       
    82 			mbufSizeAllocator->AddL(KMBuf_MBufSize, (aMaxHeapSize/(KMBuf_MBufSize+sizeof(RMBuf)))-1, KMBuf_MinGrowth, KMBuf_GrowthThreshold);
       
    83 #else
       
    84 			mbufSizeAllocator->AddL(KMBuf_MBufSize, KMBuf_InitialAllocation, KMBuf_MinGrowth, KMBuf_GrowthThreshold);
       
    85 #endif
       
    86 			}
       
    87 	return mngr;
       
    88 	}
       
    89 
       
    90 CMBufManager * CTestStepCTMbufmgr::CreateInstanceMBufMgrL(TInt aMaxHeapSize, MMBufSizeAllocator* &aMBufSizeAllocator)
       
    91 	{
       
    92 	__ASSERT_ALWAYS(aMaxHeapSize >= 0, User::Panic(_L("MBufTest"),0));
       
    93 
       
    94 	iMBMngr = CMBufManager::NewL(aMaxHeapSize, aMBufSizeAllocator);
       
    95 
       
    96 	return iMBMngr;
       
    97 	}