sl@0: // Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "SqlResourceProfiler.h"
sl@0: #include "SqlAssert.h"
sl@0: #include "SqlDatabaseImpl.h"
sl@0: 
sl@0: 
sl@0: #pragma BullseyeCoverage off
sl@0: 
sl@0: /**
sl@0: Initializes TSqlResourceProfiler data members with their default values.
sl@0: 
sl@0: @param aDatabase The RSqlDatabase object that will be profiled.
sl@0: */
sl@0: EXPORT_C TSqlResourceProfiler::TSqlResourceProfiler(RSqlDatabase& aDatabase) :
sl@0: 	iDatabase(aDatabase)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: #ifdef _SQLPROFILER
sl@0: 	
sl@0: /**
sl@0: Starts the specified profiling counter.
sl@0: 
sl@0: @param aCounterType Profiling counter type.
sl@0: @param aPrm Additional profiling parameters.
sl@0: 
sl@0: @capability None
sl@0: 
sl@0: @return KErrNone, the operation completed successfully;
sl@0:                   One of the other system-wide error codes may also be returned.
sl@0: 
sl@0: Usage of the IPC call arguments:
sl@0:  - Arg 0: [out]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
sl@0:  
sl@0: When the counter type is ESqlCounterTrace, then the optional aPrm argument can contain the follwing 
sl@0: configuration parameters, split with ";":
sl@0:    - "L0" - [default] tracing level 0. IPC traces disabled;
sl@0:    - "L1" - tracing level 1. Only the most important IPC calls are traced:
sl@0:             ESqlSrvDbExec8, ESqlSrvDbExec16, ESqlSrvDbScalarFullSelect16, ESqlSrvStmtExec,
sl@0:             ESqlSrvStmtAsyncExec, ESqlSrvStmtBindExec, ESqlSrvStmtAsyncBindExec, ESqlSrvStmtNext,
sl@0:             ESqlSrvStmtBindNext;
sl@0:    - "L2" - tracing level 2. All IPC calls traced;
sl@0:    - "S0" - [default] SQL statement tracing is off; 
sl@0:    - "S1" - SQL statement tracing is on;
sl@0: */
sl@0: EXPORT_C TInt TSqlResourceProfiler::Start(TSqlResourceProfiler::TSqlCounter aCounterType, const TDesC8* aPrm)
sl@0: 	{
sl@0: 	TIpcArgs ipcArgs;
sl@0: 	ipcArgs.Set(0, aCounterType);
sl@0:     ipcArgs.Set(1, 0);
sl@0: 	if(aPrm)
sl@0: 	    {
sl@0:         ipcArgs.Set(1, aPrm->Length());
sl@0:         ipcArgs.Set(2, aPrm);
sl@0: 	    }
sl@0: 	return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerStart, ipcArgs);
sl@0: 	}
sl@0: 	
sl@0: /**
sl@0: Stops the specified profiling counter.
sl@0: 
sl@0: @param aCounterType Profiling counter type.
sl@0: 
sl@0: @capability None
sl@0: 
sl@0: @return KErrNone, the operation completed successfully;
sl@0:                   One of the other system-wide error codes may also be returned.
sl@0: 
sl@0: Usage of the IPC call arguments:
sl@0:  - Arg 0: [out]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
sl@0: */
sl@0: EXPORT_C TInt TSqlResourceProfiler::Stop(TSqlResourceProfiler::TSqlCounter aCounterType)
sl@0: 	{
sl@0: 	return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerStop, TIpcArgs(aCounterType));
sl@0: 	}
sl@0: 	
sl@0: /**
sl@0: Sets to zero the specified profiling counter.
sl@0: 
sl@0: @param aCounterType Profiling counter type.
sl@0: 
sl@0: @capability None
sl@0: 
sl@0: @return KErrNone, the operation completed successfully;
sl@0:                   One of the other system-wide error codes may also be returned.
sl@0: 
sl@0: Usage of the IPC call arguments:
sl@0:  - Arg 0: [out]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
sl@0: */
sl@0: EXPORT_C TInt TSqlResourceProfiler::Reset(TSqlResourceProfiler::TSqlCounter aCounterType)
sl@0: 	{
sl@0: 	return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerReset, TIpcArgs(aCounterType));
sl@0: 	}
sl@0: 	
sl@0: /**
sl@0: Retrieves the profiling counter(s) values for the aCounterType.
sl@0: 
sl@0: @param aCounterType Profiling counter type.
sl@0: @param aResult Buffer, where the results will be copied.
sl@0: 
sl@0: @capability None
sl@0: 
sl@0: @return KErrNone, the operation completed successfully;
sl@0:                   One of the other system-wide error codes may also be returned.
sl@0:                   
sl@0: @see TSqlResourceProfiler
sl@0: 
sl@0: Usage of the IPC call arguments:
sl@0:  - Arg 0: [out]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
sl@0:  - Arg 1: [out]  the size of the buffer for the profiling counters
sl@0:  - Arg 2: [in]   the buffer for the profiling counters
sl@0: */
sl@0: EXPORT_C TInt TSqlResourceProfiler::Query(TSqlResourceProfiler::TSqlCounter aCounterType, TDes8& aResult)
sl@0: 	{
sl@0: 	return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerQuery, TIpcArgs(aCounterType, aResult.MaxLength(), &aResult));
sl@0: 	}
sl@0: 
sl@0: #else //_SQLPROFILER
sl@0: 
sl@0: EXPORT_C TInt TSqlResourceProfiler::Start(TSqlResourceProfiler::TSqlCounter, const TDesC8*)
sl@0: 	{
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 	
sl@0: EXPORT_C TInt TSqlResourceProfiler::Stop(TSqlResourceProfiler::TSqlCounter)
sl@0: 	{
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 	
sl@0: EXPORT_C TInt TSqlResourceProfiler::Reset(TSqlResourceProfiler::TSqlCounter)
sl@0: 	{
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 	
sl@0: EXPORT_C TInt TSqlResourceProfiler::Query(TSqlResourceProfiler::TSqlCounter aCounterType, TDes8& aResult)
sl@0: 	{
sl@0: 	if(aCounterType == TSqlResourceProfiler::ESqlCounterConfig)	
sl@0: 		{
sl@0: 		return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerQuery, TIpcArgs(aCounterType, aResult.MaxLength(), &aResult));
sl@0: 		}
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 
sl@0: #endif//_SQLPROFILER
sl@0: 
sl@0: #pragma BullseyeCoverage on