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