1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/persistentdata/persistentstorage/sql/SRC/Client/SqlResourceProfiler.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,160 @@
1.4 +// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include "SqlResourceProfiler.h"
1.20 +#include "SqlAssert.h"
1.21 +#include "SqlDatabaseImpl.h"
1.22 +
1.23 +
1.24 +#pragma BullseyeCoverage off
1.25 +
1.26 +/**
1.27 +Initializes TSqlResourceProfiler data members with their default values.
1.28 +
1.29 +@param aDatabase The RSqlDatabase object that will be profiled.
1.30 +*/
1.31 +EXPORT_C TSqlResourceProfiler::TSqlResourceProfiler(RSqlDatabase& aDatabase) :
1.32 + iDatabase(aDatabase)
1.33 + {
1.34 + }
1.35 +
1.36 +#ifdef _SQLPROFILER
1.37 +
1.38 +/**
1.39 +Starts the specified profiling counter.
1.40 +
1.41 +@param aCounterType Profiling counter type.
1.42 +@param aPrm Additional profiling parameters.
1.43 +
1.44 +@capability None
1.45 +
1.46 +@return KErrNone, the operation completed successfully;
1.47 + One of the other system-wide error codes may also be returned.
1.48 +
1.49 +Usage of the IPC call arguments:
1.50 + - Arg 0: [out] profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
1.51 +
1.52 +When the counter type is ESqlCounterTrace, then the optional aPrm argument can contain the follwing
1.53 +configuration parameters, split with ";":
1.54 + - "L0" - [default] tracing level 0. IPC traces disabled;
1.55 + - "L1" - tracing level 1. Only the most important IPC calls are traced:
1.56 + ESqlSrvDbExec8, ESqlSrvDbExec16, ESqlSrvDbScalarFullSelect16, ESqlSrvStmtExec,
1.57 + ESqlSrvStmtAsyncExec, ESqlSrvStmtBindExec, ESqlSrvStmtAsyncBindExec, ESqlSrvStmtNext,
1.58 + ESqlSrvStmtBindNext;
1.59 + - "L2" - tracing level 2. All IPC calls traced;
1.60 + - "S0" - [default] SQL statement tracing is off;
1.61 + - "S1" - SQL statement tracing is on;
1.62 +*/
1.63 +EXPORT_C TInt TSqlResourceProfiler::Start(TSqlResourceProfiler::TSqlCounter aCounterType, const TDesC8* aPrm)
1.64 + {
1.65 + TIpcArgs ipcArgs;
1.66 + ipcArgs.Set(0, aCounterType);
1.67 + ipcArgs.Set(1, 0);
1.68 + if(aPrm)
1.69 + {
1.70 + ipcArgs.Set(1, aPrm->Length());
1.71 + ipcArgs.Set(2, aPrm);
1.72 + }
1.73 + return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerStart, ipcArgs);
1.74 + }
1.75 +
1.76 +/**
1.77 +Stops the specified profiling counter.
1.78 +
1.79 +@param aCounterType Profiling counter type.
1.80 +
1.81 +@capability None
1.82 +
1.83 +@return KErrNone, the operation completed successfully;
1.84 + One of the other system-wide error codes may also be returned.
1.85 +
1.86 +Usage of the IPC call arguments:
1.87 + - Arg 0: [out] profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
1.88 +*/
1.89 +EXPORT_C TInt TSqlResourceProfiler::Stop(TSqlResourceProfiler::TSqlCounter aCounterType)
1.90 + {
1.91 + return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerStop, TIpcArgs(aCounterType));
1.92 + }
1.93 +
1.94 +/**
1.95 +Sets to zero the specified profiling counter.
1.96 +
1.97 +@param aCounterType Profiling counter type.
1.98 +
1.99 +@capability None
1.100 +
1.101 +@return KErrNone, the operation completed successfully;
1.102 + One of the other system-wide error codes may also be returned.
1.103 +
1.104 +Usage of the IPC call arguments:
1.105 + - Arg 0: [out] profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
1.106 +*/
1.107 +EXPORT_C TInt TSqlResourceProfiler::Reset(TSqlResourceProfiler::TSqlCounter aCounterType)
1.108 + {
1.109 + return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerReset, TIpcArgs(aCounterType));
1.110 + }
1.111 +
1.112 +/**
1.113 +Retrieves the profiling counter(s) values for the aCounterType.
1.114 +
1.115 +@param aCounterType Profiling counter type.
1.116 +@param aResult Buffer, where the results will be copied.
1.117 +
1.118 +@capability None
1.119 +
1.120 +@return KErrNone, the operation completed successfully;
1.121 + One of the other system-wide error codes may also be returned.
1.122 +
1.123 +@see TSqlResourceProfiler
1.124 +
1.125 +Usage of the IPC call arguments:
1.126 + - Arg 0: [out] profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.
1.127 + - Arg 1: [out] the size of the buffer for the profiling counters
1.128 + - Arg 2: [in] the buffer for the profiling counters
1.129 +*/
1.130 +EXPORT_C TInt TSqlResourceProfiler::Query(TSqlResourceProfiler::TSqlCounter aCounterType, TDes8& aResult)
1.131 + {
1.132 + return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerQuery, TIpcArgs(aCounterType, aResult.MaxLength(), &aResult));
1.133 + }
1.134 +
1.135 +#else //_SQLPROFILER
1.136 +
1.137 +EXPORT_C TInt TSqlResourceProfiler::Start(TSqlResourceProfiler::TSqlCounter, const TDesC8*)
1.138 + {
1.139 + return KErrNotSupported;
1.140 + }
1.141 +
1.142 +EXPORT_C TInt TSqlResourceProfiler::Stop(TSqlResourceProfiler::TSqlCounter)
1.143 + {
1.144 + return KErrNotSupported;
1.145 + }
1.146 +
1.147 +EXPORT_C TInt TSqlResourceProfiler::Reset(TSqlResourceProfiler::TSqlCounter)
1.148 + {
1.149 + return KErrNotSupported;
1.150 + }
1.151 +
1.152 +EXPORT_C TInt TSqlResourceProfiler::Query(TSqlResourceProfiler::TSqlCounter aCounterType, TDes8& aResult)
1.153 + {
1.154 + if(aCounterType == TSqlResourceProfiler::ESqlCounterConfig)
1.155 + {
1.156 + return iDatabase.Impl().Session().SendReceive(ESqlSrvProfilerQuery, TIpcArgs(aCounterType, aResult.MaxLength(), &aResult));
1.157 + }
1.158 + return KErrNotSupported;
1.159 + }
1.160 +
1.161 +#endif//_SQLPROFILER
1.162 +
1.163 +#pragma BullseyeCoverage on