/*

* Copyright (c) 2006 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: CIpdumpEngine is used to control the ip logging protocol

*

*/

#include <f32file.h>

#include <nifman.h>

#include "ipdumpengine.h"

//

// CIpdumpEngine.

//

CIpdumpEngine* CIpdumpEngine::NewL()

{

    CIpdumpEngine* self = new (ELeave) CIpdumpEngine();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

}

CIpdumpEngine::CIpdumpEngine()

: iLoggingEnabled(EFalse)

{

    // If changed change the filename also

    // in the ip logging protocol to match

    _LIT(KLogFilePath, "c:\\logs\\tcpdump\\probe.cap"); 

    iLogFileName.Append(KLogFilePath);

}

// This is to get around of the restrictions of the secure file system,

// when the conntest and the probe are installed from a sis

// You cannot install the esk to the right place directly, so copy it here

// Requires all files capability

_LIT(KIpDumpEskImport, "\\private\\101f7989\\import\\esock\\ip.probe.esk");

_LIT(KIpDumpEskEsock, "\\private\\101f7989\\esock\\ip.probe.esk");

void AttemptToCopyEskFile()

	{

	RFs fs;

	TInt err = fs.Connect();

	if (err)

		{

		return;

		}

	CFileMan* fileman = NULL;

	TRAP(err, fileman = CFileMan::NewL(fs));

	if (err)

		{

		fs.Close();

		return;

		}

	(void)fileman->Copy(KIpDumpEskImport, KIpDumpEskEsock, CFileMan::ERecurse);

	delete fileman;

	fs.Close();

	}

void CIpdumpEngine::ConstructL()

{

	AttemptToCopyEskFile();

}

CIpdumpEngine::~CIpdumpEngine()

{

    DisableLogging();

}

TInt CIpdumpEngine::CreateLogDirectory()

{

    RFs fs;

    TInt r;

    r = fs.Connect();

    if(r==KErrNone)

    {

        // Delete the old log file. After disabling the logging the file

        // is in use for short period of time, therefore doing the deletion

        // in loop to avoid error message in UI.

        while((r = fs.Delete(iLogFileName)) == KErrInUse)

        	User::After(1);

        if(r == KErrNotFound || r == KErrPathNotFound)

        {

            r = fs.MkDirAll(iLogFileName);

            r = (r==KErrAlreadyExists) ? KErrNone : r;

        }

    }

    fs.Close();

    return r;

}

void CIpdumpEngine::EnableLoggingL()

{

    if(iLoggingEnabled)

    {

        return;

    }

    User::LeaveIfError(CreateLogDirectory());

    User::LeaveIfError(iSocketServ.Connect());    

    TProtocolDesc protocol;

    TProtocolName name(_S("probe"));

    User::LeaveIfError(iSocketServ.FindProtocol(name, protocol));

    User::LeaveIfError(iSocket.Open(iSocketServ, name));

    iLoggingEnabled = ETrue;

    return;

}

void CIpdumpEngine::DisableLogging()

{

    if(iLoggingEnabled)

    {

        iSocket.Close();

        iSocketServ.Close();

        iLoggingEnabled = EFalse;

    }

}

TBool CIpdumpEngine::LoggingEnabled() const

{

    return iLoggingEnabled;

}

const TDesC& CIpdumpEngine::LogFileName() const

{

       return iLogFileName;

}