// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include <e32std.h>

#include <e32debug.h>

#include <f32file.h>

#include "SqlPanic.h"

#include "SqlSrvResourceProfiler.h"

#include "SqlResourceProfiler.h"

#include "SqliteSymbian.h"

#include <hal.h>

#ifdef _SQLPROFILER

///////////////////////////////// Heap max alloc /////////////////////////////////////

/**

If true the max alloc profiling is enabled.

@internalComponent

*/

TBool TheSqlSrvProfilerMaxAllocEnabled = EFalse;

/**

The size of the biggest memory block ever allocated by the SQL server.

Set only if compiled with _SQLPROFILER macro.

@internalComponent

*/

TInt  TheSqlSrvProfilerMaxAllocSize = 0;

////////////////////////// IPC & SQL tracing related //////////////////////////////////

/**

If true the tracing is enabled (IPC calls & SQL statements).

@internalComponent

*/

static TBool TheSqlSrvProfilerTraceEnabled = EFalse;

/**

Trace level:

 - 0: no IPC calls traced (default);

 - 1: only the 10 most important IPC calls traced - SQL statement execution, ....

 - 2: all IPC calls traced; 

@internalComponent

*/

static TInt TheSqlSrvProfilerTraceLevel = 0;

/**

If true the SQL statement tracing is enabled.

@internalComponent

*/

static TBool TheSqlSrvProfilerSqlTraceEnabled = EFalse;

/**

When the SQL server boots, TheSqlSrvStartTime will be initialized with the current time then. 

@internalComponent

*/

TTime TheSqlSrvStartTime = 0;

/**

When KSqlSrvProfilerDbName is with non-zero length, then only traces coming from database identified by

KSqlSrvProfilerDbName name are printed out. 

@internalComponent

*/

//_LIT(KSqlSrvProfilerDbName, "default_avacon.dbSQL");

_LIT(KSqlSrvProfilerDbName, "");

static TUint TheSqlSrvProfilerHandle = 0;

//File "read", "write", "sync" and "set size" counters, incremented inside the OS porting layer.

TInt TheSqlSrvProfilerFileRead = 0;

TInt TheSqlSrvProfilerFileWrite = 0;

TInt TheSqlSrvProfilerFileSync = 0;

TInt TheSqlSrvProfilerFileSetSize = 0;

static TInt TheSqlSrvProfilerFileRead1 = 0;

static TInt TheSqlSrvProfilerFileWrite1 = 0;

static TInt TheSqlSrvProfilerFileSync1 = 0;

static TInt TheSqlSrvProfilerFileSetSize1 = 0;

//Set it to true if you want traces to be stored into a file.

static TBool TheSqlSrvProfilerTraceToFile = EFalse;

//"Prepared" and "Executed" SQL statement counters

static TInt TheSqlSrvProfilerPreparedCnt8;

static TInt TheSqlSrvProfilerPreparedCnt16;

static TInt TheSqlSrvProfilerExecutedCnt8;

static TInt TheSqlSrvProfilerExecutedCnt16;

///////////////////////////////// IPC counters ///////////////////////////////////////

/**

If true the IPC profiling is enabled.

@internalComponent

*/

TBool TheSqlSrvProfilerIpcEnabled = EFalse;

/**

IPC requests, read and write counters.

@internalComponent

*/

TInt  TheSqlSrvProfilerIpc[ESqlIpcLast] = {0};

/**

IPC read and write - bytes.

@internalComponent

*/

TInt64 TheSqlSrvProfilerIpcBytes[ESqlIpcLast] = {0};

//////////////////////////////////////////////////////////////////////////////////////

/**

Starts the specified profiling counter.

@leave KErrNotSupported, The requested profiling type is not supported;

                 		 The function may also leave with some other system-wide error codes.

Usage of the IPC call arguments:

 - Arg 0: [in]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.

 - Arg 1: [in]  the length of the additional profiling parameters.

 - Arg 2: [in]  additional profiling parameters.

*/

void TSqlSrvResourceProfiler::StartL(const RMessage2& aMessage)

	{

	const TSqlResourceProfiler::TSqlCounter KCounterType = static_cast <TSqlResourceProfiler::TSqlCounter> (aMessage.Int0());

	TInt err = KErrNone;

	switch(KCounterType)

		{

		case TSqlResourceProfiler::ESqlCounterFileIO:

		case TSqlResourceProfiler::ESqlCounterOsCall:

		case TSqlResourceProfiler::ESqlCounterOsCallTime:

		case TSqlResourceProfiler::ESqlCounterOsCallDetails:

			err = sqlite3SymbianProfilerStart(KCounterType);

			break;

		case TSqlResourceProfiler::ESqlCounterIpc:

			TheSqlSrvProfilerIpcEnabled = ETrue;

			break;

		case TSqlResourceProfiler::ESqlCounterMemory:

			err = sqlite3SymbianProfilerStart(KCounterType);

			break;

		case TSqlResourceProfiler::ESqlCounterMaxAlloc:

			TheSqlSrvProfilerMaxAllocEnabled = ETrue;

			err = sqlite3SymbianProfilerStart(KCounterType);

			break;

		case TSqlResourceProfiler::ESqlCounterTrace:

		    {

			TheSqlSrvProfilerTraceEnabled = ETrue;

		    TInt len = aMessage.Int1();

		    __SQLPANIC_CLIENT((TUint)len < 64, aMessage, ESqlPanicBadArgument);

		    if(len > 0)

		        {

                TBuf8<64> prmBuf;

                aMessage.ReadL(2, prmBuf);

                prmBuf.UpperCase();

                TPtrC8 ptr(prmBuf);

                _LIT8(KLevel0, "L0");

                _LIT8(KLevel1, "L1");

                _LIT8(KLevel2, "L2");

                _LIT8(KSqlStmtTraceOff, "S0");

                _LIT8(KSqlStmtTraceOn, "S1");

                while(ptr.Length() > 0)

                    {

                    TInt pos = ptr.Locate(TChar(';'));

                    TPtrC8 str = ptr;

                    if(pos >= 0)

                        {

                        str.Set(ptr.Left(pos));

                        }

                    if(str == KLevel0)

                        {

                        TheSqlSrvProfilerTraceLevel = 0;

                        }

                    else if(str == KLevel1)

                        {

                        TheSqlSrvProfilerTraceLevel = 1;

                        }

                    else if(str == KLevel2)

                        {

                        TheSqlSrvProfilerTraceLevel = 2;

                        }

                    else if(str == KSqlStmtTraceOff)

                        {

                        TheSqlSrvProfilerSqlTraceEnabled = EFalse;

                        }

                    else if(str == KSqlStmtTraceOn)

                        {

                        TheSqlSrvProfilerSqlTraceEnabled = ETrue;

                        }

                    if((TUint)pos > (ptr.Length() - 1))

                        {

                        break;

                        }

                    ptr.Set(ptr.Mid(pos + 1));

                    }

		        }

		    }

			break;

		default:

			err = KErrNotSupported;

			break;

		}

	__SQLLEAVE_IF_ERROR(err);

	}

/**

Stops the specified profiling counter.

@leave KErrNotSupported, The requested profiling type is not supported;

                 		 The function may also leave with some other system-wide error codes.

Usage of the IPC call arguments:

 - Arg 0: [in]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.

*/

void TSqlSrvResourceProfiler::StopL(const RMessage2& aMessage)

	{

	const TSqlResourceProfiler::TSqlCounter KCounterType = static_cast <TSqlResourceProfiler::TSqlCounter> (aMessage.Int0());

	TInt err = KErrNone;

	switch(KCounterType)

		{

		case TSqlResourceProfiler::ESqlCounterFileIO:

		case TSqlResourceProfiler::ESqlCounterOsCall:

		case TSqlResourceProfiler::ESqlCounterOsCallTime:

		case TSqlResourceProfiler::ESqlCounterOsCallDetails:

			err = sqlite3SymbianProfilerStop(KCounterType);

			break;

		case TSqlResourceProfiler::ESqlCounterIpc:

			TheSqlSrvProfilerIpcEnabled = EFalse;

			break;

		case TSqlResourceProfiler::ESqlCounterMemory:

			err = sqlite3SymbianProfilerStop(KCounterType);

			break;

		case TSqlResourceProfiler::ESqlCounterMaxAlloc:

			TheSqlSrvProfilerMaxAllocEnabled = EFalse;

			err = sqlite3SymbianProfilerStop(KCounterType);

			break;

        case TSqlResourceProfiler::ESqlCounterTrace:

            TheSqlSrvProfilerTraceEnabled = EFalse;

            TheSqlSrvProfilerSqlTraceEnabled = EFalse;

            TheSqlSrvProfilerTraceLevel = 0;

            TheSqlSrvProfilerHandle = 0;

            break;

		default:

			err = KErrNotSupported;

			break;

		}

	__SQLLEAVE_IF_ERROR(err);

	}

/**

Resets the specified profiling counter.

@leave KErrNotSupported, The requested profiling type is not supported;

                 		 The function may also leave with some other system-wide error codes.

Usage of the IPC call arguments:

 - Arg 0: [in]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.

*/

void TSqlSrvResourceProfiler::ResetL(const RMessage2& aMessage)

	{

	const TSqlResourceProfiler::TSqlCounter KCounterType = static_cast <TSqlResourceProfiler::TSqlCounter> (aMessage.Int0());

	TInt err = KErrNone;

	switch(KCounterType)

		{

		case TSqlResourceProfiler::ESqlCounterFileIO:

		case TSqlResourceProfiler::ESqlCounterOsCall:

		case TSqlResourceProfiler::ESqlCounterOsCallTime:

		case TSqlResourceProfiler::ESqlCounterOsCallDetails:

			err = sqlite3SymbianProfilerReset(KCounterType);

			break;

		case TSqlResourceProfiler::ESqlCounterIpc:

			Mem::FillZ(TheSqlSrvProfilerIpc, sizeof(TheSqlSrvProfilerIpc));

			Mem::FillZ(TheSqlSrvProfilerIpcBytes, sizeof(TheSqlSrvProfilerIpcBytes));

			break;

		case TSqlResourceProfiler::ESqlCounterMemory:

			err = sqlite3SymbianProfilerReset(KCounterType);

			break;

		case TSqlResourceProfiler::ESqlCounterMaxAlloc:

			TheSqlSrvProfilerMaxAllocSize = 0;

			err = sqlite3SymbianProfilerReset(KCounterType);

			break;

        case TSqlResourceProfiler::ESqlCounterTrace:

            break;

		default:

			err = KErrNotSupported;

			break;

		}

	__SQLLEAVE_IF_ERROR(err);

	}

/**

Retrieves the counter values for the specified profiling counter.

@leave KErrNotSupported, The requested profiling type is not supported;

                 		 The function may also leave with some other system-wide error codes.

@see TSqlResourceProfiler

Usage of the IPC call arguments:

 - Arg 0: [in]  profiling counter type, one of the TSqlResourceProfiler::TSqlCounter enum item values.

 - Arg 1: [in]  the size of the buffer for the profiling counter values.

 - Arg 2: [out] the buffer for the profiling counter values.

*/

void TSqlSrvResourceProfiler::QueryL(const RMessage2& aMessage)

	{

	const TSqlResourceProfiler::TSqlCounter KCounterType = static_cast <TSqlResourceProfiler::TSqlCounter> (aMessage.Int0());

	const TInt KIpcBufLen = 300;

	TBuf8<KIpcBufLen> ipcBuf;

	TInt err = KErrNone;

	switch(KCounterType)

		{

		case TSqlResourceProfiler::ESqlCounterFileIO:

		case TSqlResourceProfiler::ESqlCounterOsCall:

		case TSqlResourceProfiler::ESqlCounterOsCallTime:

		case TSqlResourceProfiler::ESqlCounterOsCallDetails:

			err = sqlite3SymbianProfilerQuery(KCounterType, ipcBuf);

			break;

		case TSqlResourceProfiler::ESqlCounterIpc:

			ipcBuf.AppendNum(TheSqlSrvProfilerIpc[ESqlIpcRq]);

			ipcBuf.Append(TChar(';'));

			ipcBuf.AppendNum(TheSqlSrvProfilerIpc[ESqlIpcRead]);

			ipcBuf.Append(TChar(';'));

			ipcBuf.AppendNum(TheSqlSrvProfilerIpc[ESqlIpcWrite]);

			ipcBuf.Append(TChar(';'));

			ipcBuf.AppendNum(TheSqlSrvProfilerIpcBytes[ESqlIpcRead]);

			ipcBuf.Append(TChar(';'));

			ipcBuf.AppendNum(TheSqlSrvProfilerIpcBytes[ESqlIpcWrite]);

			ipcBuf.Append(TChar(';'));

			break;

		case TSqlResourceProfiler::ESqlCounterMemory:

			{

			TInt totalAllocCells = 0;

			TInt totalAllocSize = 0;

			TInt totalFreeSpace = 0;

			TInt biggestBlockSize = 0;

			RHeap& heap = User::Heap();;

			totalAllocCells = heap.AllocSize(totalAllocSize);

			totalFreeSpace = heap.Available(biggestBlockSize);

			ipcBuf.AppendNum(totalAllocCells);

			ipcBuf.Append(TChar(';'));

			ipcBuf.AppendNum(totalAllocSize);

			ipcBuf.Append(TChar(';'));

			ipcBuf.AppendNum(totalFreeSpace);

			ipcBuf.Append(TChar(';'));

			ipcBuf.AppendNum(biggestBlockSize);

			ipcBuf.Append(TChar(';'));

			err = sqlite3SymbianProfilerQuery(KCounterType, ipcBuf);

			}

			break;

		case TSqlResourceProfiler::ESqlCounterMaxAlloc:

			ipcBuf.AppendNum(TheSqlSrvProfilerMaxAllocSize);

			ipcBuf.Append(TChar(';'));

			err = sqlite3SymbianProfilerQuery(KCounterType, ipcBuf);

			break;

        case TSqlResourceProfiler::ESqlCounterTrace:

            break;

		default:

			err = KErrNotSupported;

			break;

		}

	__SQLLEAVE_IF_ERROR(err);

	aMessage.WriteL(2, ipcBuf);

	}

////////////////////////// IPC tracing related ////////////////////////////////////////

//Max trace line length

const TInt KSqlTraceMaxLength = 220;

//Trace buffer.

static TBuf<KSqlTraceMaxLength> TheSqlTraceBuf;

//IPC calls names - begin

_LIT(KSqlSrvDbCreate, "DbCreate");

_LIT(KSqlSrvDbCreateSecure, "DbCreateSecure");

_LIT(KSqlSrvDbOpen, "DbOpen");

_LIT(KSqlSrvDbOpenFromHandle, "DbOpenFromHandle");

_LIT(KSqlSrvDbClose, "DbClose");

_LIT(KSqlSrvDbCopy, "DbCopy");

_LIT(KSqlSrvDbDelete, "DbDelete");

_LIT(KSqlSrvLastErrorMsg, "LastErrorMsg");

_LIT(KSqlSrvDbExec8, "DbExec8");

_LIT(KSqlSrvDbExec16, "DbExec16");

_LIT(KSqlSrvDbSetIsolationLevel, "DbSetIsolationLevel");

_LIT(KSqlSrvDbGetSecurityPolicy, "DbGetSecurityPolicy");

_LIT(KSqlSrvDbAttach, "DbAttach");

_LIT(KSqlSrvDbAttachFromHandle, "DbAttachFromHandle");

_LIT(KSqlSrvDbDetach, "DbDetach");

_LIT(KSqlSrvDbScalarFullSelect8, "DbScalarFullSelect8");

_LIT(KSqlSrvDbScalarFullSelect16, "DbScalarFullSelect16");

_LIT(KSqlSrvDbInTransaction, "DbInTransaction");

_LIT(KSqlSrvDbSize, "DbSize");

_LIT(KSqlSrvDbSize2, "DbSize2");

_LIT(KSqlSrvDbBlobSource, "DbBlobSource");

_LIT(KSqlSrvDbLastInsertedRowId, "DbLastInsertedRowId");

_LIT(KSqlSrvDbCompact, "DbCompact");

_LIT(KSqlSrvDbReserveDriveSpace, "DbReserveDriveSpace");

_LIT(KSqlSrvDbFreeReservedSpace, "DbFreeReservedSpace");

_LIT(KSqlSrvDbGetReserveAccess, "DbGetReserveAccess");

_LIT(KSqlSrvDbReleaseReserveAccess, "DbReleaseReserveAccess");

_LIT(KSqlSrvStmtPrepare8, "StmtPrepare8");

_LIT(KSqlSrvStmtPrepare16, "StmtPrepare16");

_LIT(KSqlSrvStmtClose, "StmtClose");

_LIT(KSqlSrvStmtReset, "StmtReset");

_LIT(KSqlSrvStmtExec, "StmtExec");

_LIT(KSqlSrvStmtAsyncExec, "StmtAsyncExec");

_LIT(KSqlSrvStmtBindExec, "StmtBindExec");

_LIT(KSqlSrvStmtAsyncBindExec, "StmtAsyncBindExec");

_LIT(KSqlSrvStmtNext, "StmtNext");

_LIT(KSqlSrvStmtBindNext, "StmtBindNext");

_LIT(KSqlSrvStmtColumnNames, "StmtColumnNames");

_LIT(KSqlSrvStmtParamNames, "StmtParamNames");

_LIT(KSqlSrvStmtColumnSource, "StmtColumnSource");

_LIT(KSqlSrvStmtBinParamSink, "StmtBinParamSink");

_LIT(KSqlSrvStmtTxtParamSink16, "StmtTxtParamSink16");

_LIT(KSqlSrvStmtBufFlat, "StmtBufFlat");

_LIT(KSqlSrvStmtColumnValue, "StmtColumnValue");

_LIT(KSqlSrvStmtDeclColumnTypes, "StmtDeclColumnTypes");

_LIT(KSqlSrvStreamRead, "StreamRead");

_LIT(KSqlSrvStreamWrite, "StreamWrite");

_LIT(KSqlSrvStreamSize, "StreamSize");

_LIT(KSqlSrvStreamSynch, "StreamSynch");

_LIT(KSqlSrvStreamClose, "StreamClose");

//IPC calls names - end

//Gets as an argument the IPC call type in "aCode" parameter.

//Returns: 

// 0 or positive integer: the IPC call is one of the 10 most important IPC calls (trace level 0).

// KErrNotFound         : the IPC call is some of the other possible call types (trace level 1).

// KErrNotSupported     : unknown IPC call type.

//

// aIpcCallName will always be set to IPC call name descriptor.

static TInt SqlIpcTraceIdxAndName(TSqlSrvFunction aCode, TPtrC& aIpcCallName)

    {

    TInt rc = KErrNotFound;

    switch(aCode)

        {

        case ESqlSrvDbCreate:

            aIpcCallName.Set(KSqlSrvDbCreate);

            break;

        case ESqlSrvDbCreateSecure:

            aIpcCallName.Set(KSqlSrvDbCreateSecure);

            break;

        case ESqlSrvDbOpen:

            aIpcCallName.Set(KSqlSrvDbOpen);

            break;

        case ESqlSrvDbOpenFromHandle:

            aIpcCallName.Set(KSqlSrvDbOpenFromHandle);

            break;

        case ESqlSrvDbClose:

            aIpcCallName.Set(KSqlSrvDbClose);

            break;

        case ESqlSrvDbCopy:

            aIpcCallName.Set(KSqlSrvDbCopy);

            break;

        case ESqlSrvDbDelete:

            aIpcCallName.Set(KSqlSrvDbDelete);

            break;

        case ESqlSrvLastErrorMsg:

            aIpcCallName.Set(KSqlSrvLastErrorMsg);

            break;

        case ESqlSrvDbExec8:

            aIpcCallName.Set(KSqlSrvDbExec8);

            rc = 0;

            break;

        case ESqlSrvDbExec16:

            aIpcCallName.Set(KSqlSrvDbExec16);

            rc = 1;

            break;

        case ESqlSrvDbSetIsolationLevel:

            aIpcCallName.Set(KSqlSrvDbSetIsolationLevel);

            break;

        case ESqlSrvDbGetSecurityPolicy:

            aIpcCallName.Set(KSqlSrvDbGetSecurityPolicy);

            break;

        case ESqlSrvDbAttach:

            aIpcCallName.Set(KSqlSrvDbAttach);

            break;

        case ESqlSrvDbAttachFromHandle:

            aIpcCallName.Set(KSqlSrvDbAttachFromHandle);

            break;

        case ESqlSrvDbDetach:

            aIpcCallName.Set(KSqlSrvDbDetach);

            break;

        case ESqlSrvDbScalarFullSelect8:

            aIpcCallName.Set(KSqlSrvDbScalarFullSelect8);

            rc = 2;

            break;

        case ESqlSrvDbScalarFullSelect16:

            aIpcCallName.Set(KSqlSrvDbScalarFullSelect16);

            rc = 3;

            break;

        case ESqlSrvDbInTransaction:

            aIpcCallName.Set(KSqlSrvDbInTransaction);

            break;

        case ESqlSrvDbSize:

            aIpcCallName.Set(KSqlSrvDbSize);

            break;

        case ESqlSrvDbSize2:

            aIpcCallName.Set(KSqlSrvDbSize2);

            break;

        case ESqlSrvDbBlobSource:

            aIpcCallName.Set(KSqlSrvDbBlobSource);

            break;

        case ESqlSrvDbLastInsertedRowId:

            aIpcCallName.Set(KSqlSrvDbLastInsertedRowId);

            break;

        case ESqlSrvDbCompact:

            aIpcCallName.Set(KSqlSrvDbCompact);

            break;

        case ESqlSrvDbReserveDriveSpace:

            aIpcCallName.Set(KSqlSrvDbReserveDriveSpace);

            break;

        case ESqlSrvDbFreeReservedSpace:

            aIpcCallName.Set(KSqlSrvDbFreeReservedSpace);

            break;

        case ESqlSrvDbGetReserveAccess:

            aIpcCallName.Set(KSqlSrvDbGetReserveAccess);

            break;

        case ESqlSrvDbReleaseReserveAccess:

            aIpcCallName.Set(KSqlSrvDbReleaseReserveAccess);

            break;

        case ESqlSrvStmtPrepare8:

            aIpcCallName.Set(KSqlSrvStmtPrepare8);

            break;