graphicstest/graphicstestharness/inc/t_simloadutils.h
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     1 // Copyright (c) 2007-2009 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 //
       
    15 
       
    16 /**
       
    17  @file
       
    18  @test
       
    19 */
       
    20 
       
    21 #ifndef __T_SIM_LOAD_UTILS_H__
       
    22 #define __T_SIM_LOAD_UTILS_H__
       
    23 
       
    24 #include <e32base.h>
       
    25 
       
    26  _LIT(KDefaultSectionName, "default");
       
    27 
       
    28 class CTSimLoadAppUtils
       
    29 	{
       
    30 public:
       
    31 	/**
       
    32 	* Read in sim load type parameter from configuration file
       
    33 	* created by test step, and indicate whether the type is
       
    34 	* static.
       
    35 	*
       
    36 	* @return   ETrue if static load specified.
       
    37 				EFalse if spiked load specified
       
    38 	* @leave	KErrAbort if the load type cannot be determined,
       
    39 				otherwise a system error code.
       
    40 	*/
       
    41 	IMPORT_C static TBool IsStaticLoadL();
       
    42 
       
    43 	/**
       
    44 	* Read in the simload (as a percentage) config parameter from
       
    45 	* configuration file created by test step.
       
    46 	*
       
    47 	* @return	The simulated load that the app (in
       
    48 	*			combination with 2 other apps) is to achieve.
       
    49 	* @leave	System error code.
       
    50 	*/
       
    51 	IMPORT_C static TInt SimLoadL();
       
    52 
       
    53 	/**
       
    54 	* Given a load percentage, and seed value for delay, create a load that when
       
    55 	* combined with 2 other sim load apps produce the load percentage passed in.
       
    56 	*
       
    57 	* @param	aLoadPercentage The simulated load that the app (in
       
    58 	*			combination with 2 other apps) is to achieve.
       
    59 	* @param    aDelay Seed value which harmonises the load pattern.
       
    60 	* @leave	System wide error code
       
    61 	*/
       
    62 	IMPORT_C static void SimulateStaticLoadL(TInt aLoadPercentage, TInt aDelay);
       
    63 
       
    64 	/**
       
    65 	* Simulates a spiked load, e.g. 100% load for short period of time, at regular
       
    66 	* spaced intervals, to simulate the load produced when for example a phone
       
    67 	* call is received.
       
    68 	*/
       
    69 	IMPORT_C static void SimulateSpikedLoad();
       
    70 
       
    71 private:
       
    72 	CTSimLoadAppUtils() {}
       
    73 	static void SimulateTestLoad(TInt, TInt);
       
    74 	static TInt CalculateSimLoadL(TInt);
       
    75 	};
       
    76 
       
    77 #endif // __T_SIM_LOAD_UTILS_H__
       
    78