// 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:

// Console adaptation for OpenWFC conformance tests

//

//

#include "owfdebug.h"

#include <e32base.h>

#include <e32cmn.h>

#include <e32debug.h>

#include <e32property.h>

#include <stdio.h>

#include <string.h>

static const TInt KOpenWfcImplCleanupKey = 0x10286FC4;  // same as DLL UID3

/**

Re-directs vprintf to RDebug so the console doesn't trash the visual tests.

Not exported. The CT should not depend on functions provided by the SI adaptation.

*/

extern "C" int xvprintf(const char* aFormat, va_list aArgs)

	{

#define SAFE_STRING_SIZE 2040

	char buffer[SAFE_STRING_SIZE+4];

    buffer[SAFE_STRING_SIZE]=0;

    buffer[SAFE_STRING_SIZE+1]=0;

    buffer[SAFE_STRING_SIZE+2]=0;

	// Symbian format syntax is different so convert to a buffer using P.I.P.S first

	vsnprintf(buffer,SAFE_STRING_SIZE, aFormat, aArgs);

	TPtrC8 ptr(reinterpret_cast<unsigned char*>(buffer), strlen(buffer));

	RDebug::RawPrint(ptr);

	return ptr.Length();

	}

/**

Re-directs printf to RDebug so the console doesn't trash the visual tests.

Not exported. The CT should not depend on functions provided by the SI adaptation.

*/

extern "C" void xprintf(const char* aFormat, ...)

    {

    va_list list; 

    va_start(list, aFormat);

    xvprintf(aFormat, list);

    va_end(list);

    }

static void (*gAtExitFunc)(void) = NULL;

static int DoAtExit(void* aData)

/**

 * This function is required because the signature of atexit callback is 

 * different to TCallBack func. Additionaly, this function checks the heap

 * supplied to the callback is the heap used for the singelton.

 * 

 * It is intended but not guaranteed that WServ will invoke this callback at

 * shutdown. The primary purpose is to support detection of memory leaks so

 * production code should not depend on this function being called. 

 * 

 * @param   aData   The data parameter for the callback which must be a pointer

 *                  to the heap that the singleton was created on.

 */

    {

    // Blank the property for this callback

    RThread t;

    RProperty prop;

    TCallBack cb(NULL, NULL);

    TPckgC<TCallBack> cbPckg(cb);

    prop.Set(TUid::Uid(t.SecureId().iId), KOpenWfcImplCleanupKey, cbPckg);

    prop.Close();

    t.Close();

    if (aData == &User::Heap() && gAtExitFunc)

        {

        gAtExitFunc();

        return 1;

        }

    return 0;

    }

extern "C" void RegisterCleanup(TInt (*aFunction)(void* aPtr))

/**

 * Register the cleanup function in a property defined by WServ. 

 * @param   aFunction   A pointer to the function that WServ should use to 

 *                      cleanup singletons on exit.

 */

    {   

    RThread t;      

    TUid category = {t.SecureId().iId};

    RProperty prop;

    TCallBack cb(aFunction, &User::Heap());

    TPckgC<TCallBack> cbPckg(cb);

    // If the property cannot be set the assumption is that the cleanup is not needed

    (void) prop.Set(category, KOpenWfcImplCleanupKey, cbPckg);

    prop.Close();

    t.Close();        

    }

extern "C" int xatexit(void (*func)(void))

/**

 * To minimise changes to the SI code the function is similar to the standard

 * atexit function. However, instead of providing a general purpose cleanup

 * operation this implementaion simply allows WServ to trigger the cleanup

 * of singleton objects during memory leak tests.

 * 

 * This is done purely to simplify the implementation.

 * 

 * @param func  A pointer to the function responsible for deleting singletons

 *              owned by OpenWFC.

 */

    {

    __ASSERT_ALWAYS( ( ! gAtExitFunc ) || ( gAtExitFunc == func ), User::Invariant());

    gAtExitFunc = func;

    RegisterCleanup( DoAtExit );

    return 0;

    }