// Copyright (c) 1997-2009 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:

// ESock external utils 

// 

//

/**

 @file

*/

#include <ss_pman.h>

#include <ss_std.h>

#include <comms-infras/ss_log.h>

EXPORT_C CProtocolBase* SocketServExt::FindAndLoadProtocolL(const TDesC& aName, TProtocolType aType)

/**

Find a protocol by name and load it.

Caller is responsible for ultimately deleting the protocol

*/

	{

	return ProtocolManager::FindAndLoadProtocolL(aName, aType);

	}

EXPORT_C CProtocolBase* SocketServExt::FindAndLoadProtocolL(TUint aAddrFamily,TUint aSockType,TUint aProtocol)

/**

Find a protocol by address family, socket type and protocol ID and load it.

Caller is responsible for ultimately deleting the protocol

*/

	{

	return ProtocolManager::FindAndLoadProtocolL(aAddrFamily, aSockType, aProtocol);

	}

EXPORT_C void SocketServExt::InstallExtensionL(const TDesC& aDllName, const TDesC& aArgs)

/**

Installs an Esock extension dll

*/

	{

	SocketServer::InstallExtensionL(aDllName, aArgs);

	}

EXPORT_C void SocketServExt::OpenSession()

  	{

	// Before 9.1 this provided extensions (ie NifMan) the ability to defer spontaneous shutdown. Now obsolete but retained for compatibility

	}

EXPORT_C void SocketServExt::CloseSession()

	{

	// Before 9.1 this provided extensions (ie NifMan) the ability to defer spontaneous shutdown. Now obsolete but retained for compatibility

	}

EXPORT_C void SocketServExt::InstallSchedulerWaitHook(TCallBack* /*aCall*/)

	{

//	CSocketScheduler::SetWaitHook(aCall);

	}

EXPORT_C CSocketServExtBase::CSocketServExtBase()

	{

	__DECLARE_NAME(_S("CSocketServExtBase"));

	}

EXPORT_C CSocketServExtBase::~CSocketServExtBase()

	{

//	if (iExtRef)

//		delete iExtRef;

	}

CSocketServExtRef::CSocketServExtRef()

	{

	__DECLARE_NAME(_S("CSocketServExtRef"));

	iExtLink.iPrev = &iExtLink;

	iExtLink.iNext = &iExtLink;

	}

CSocketServExtRef::~CSocketServExtRef()

	{

	iExtLink.Deque();

	}

static void CloseLibrary(TAny* aLib)

	{

	((RLibrary*)aLib)->Close();

	}

void CSocketServExtRef::InstallL(const TDesC& aDllName, const TDesC& aArgs)

/**

installs an extension

*/

	{

	LOG(TBuf8<64> buf8);

	LOG(buf8.Copy(aDllName));

	LOG(ESockLog::Printf(_L8("Loading extension '%S'"), &buf8));

	User::LeaveIfError(iLibrary.Load(aDllName));

	CleanupStack::PushL(TCleanupItem(CloseLibrary, &iLibrary));

	TSocketServExtInstallFn entry = (TSocketServExtInstallFn)iLibrary.Lookup(1);

	CSocketServExtBase* sx = entry();

	User::LeaveIfNull(sx);

	CleanupStack::PushL(sx);

	sx->InstallL(aArgs);

	iExtension = sx;

	sx->iExtRef = this;

	CleanupStack::Pop(2);

	}

void CSocketServExtRef::Remove()

	{

	if (iExtension)

		iExtension->Remove();

	}

void CSocketServExtRef::Close()

	{

	if (iExtension)

		delete iExtension;

	iLibrary.Close();

	}