// Copyright (c) 2007-2009 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:

//

/**

 @file te_btracecmds.cpp

 @internalTechnology

*/

#include "te_btracecmds.h"

char iPrimaryFilters[KPrimaryFilterMaxSize] = {0};

unsigned KMode = 3;

unsigned KBufferSize = 1024;

Tracer::Tracer()

	{

	}

Tracer::~Tracer()

{

	iSecondaryFilters.Reset();

}

int Tracer::SetTraceFilters()

	{

	TInt r = iTrace.Open();

	if(r!=KErrNone)

		return r;//Couldn't open BTrace driver.

	//prepare buffer and mode

	iTrace.ResizeBuffer(KBufferSize*1024);

	iTrace.SetMode(KMode);

	unsigned i = 0;

	//set primary filters

	for(i=0; i<KPrimaryFilterMaxSize; i++)

		iTrace.SetFilter(i,0); // turn everything off

	for(i=0; i < KPrimaryFilterMaxSize; i++)

		if(iPrimaryFilters[i])

			iTrace.SetFilter(i,1);

	//Set secondary filters

	for(i = 0; i < iSecondaryFilters.Count(); i++)

	{

		TInt r = iTrace.SetFilter2(iSecondaryFilters[i],1); //enable all filter2

 		if(r != KErrNone)

 			return r;

	}

	iTrace.Empty(); // discard old data

	return KErrNone;

	}

int strlen(const char* string)

	{

	int len=0;

	while(string[len]) ++len;

	return len;

	}

int Tracer::OpenFile(const TDesC& aName)

	{

	TInt r;

	if(!iFs.Handle())

		{

		r = iFs.Connect();

		if(r!=KErrNone)

			return r;//Couldn't connect to file server.

		}

//	TBuf8<KMaxFileName*2> fn = TPtrC8((TUint8*)aName,nameLen);

	iFileName.Set(aName);

	r = iFile.Open(iFs, aName, EFileWrite);

	if(r != KErrNone)

		r = iFile.Replace(iFs,aName,EFileWrite);

	return r;

	}

int Tracer::ReplaceFile(const TDesC& aName)

	{

	TInt r;

	if(!iFs.Handle())

		{

		r = iFs.Connect();

		if(r != KErrNone)

			return r;//Couldn't connect to file server.

		}

	//TBuf8<KMaxFileName*2> fn = TPtrC8((TUint8*)aName,nameLen);

	iFileName.Set(aName);

	r = iFile.Replace(iFs, aName,EFileWrite);

	iFile.Close();

	return r;	

	}

int Tracer::DumpTracesToFile()

	{

	TUint8* data;

	TInt size;

	TInt err = KErrNone;

	TUint oldMode = iTrace.Mode();

	iTrace.SetMode(0); // turn off trace capture while we dump

	TBool fileOpen = EFalse;

	err = iFs.IsFileOpen(iFileName, fileOpen);

	if(err ==KErrNone && fileOpen)//sFileOpen(const TDesC &aFile, TBool &anAnswer)

		{

		while((size=iTrace.GetData(data))!=0)

			{

			err=iFile.Write(0xffff, TPtrC8(data,size));//append, don't overwrite

			if(err!=KErrNone)

				break; //Error writing to file.

			iTrace.DataUsed();

			}

		iFile.Flush(); 

		iFile.Close();

		}

	iTrace.SetMode(oldMode);

	return err;

	}