/*

* Copyright (c) 2009-2010 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:

* Private implementation of wrapper for Symbian Esock library.

*/

// System includes

#include <e32base.h>

#include <es_sock.h>

#include <in_sock.h>

#include <extendedconnpref.h>

// User includes

#include "wlanqtutilsesockwrapper.h"

#include "wlanqtutilsesockwrapper_symbian.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "wlanqtutilsesockwrapper_symbianTraces.h"

#endif

/*!

    \class WlanQtUtilsWlanQtUtilsEsockWrapperPrivate

    \brief Private implementation of wrapper for Symbian Esock library.

    Provides functionality to connect and disconnect IAPs.

*/

// External function prototypes

// Local constants

// ======== LOCAL FUNCTIONS ========

// ======== MEMBER FUNCTIONS ========

/*!

    Constructor.

    @param [in] wrapper Wrapper to report progress to.

 */

WlanQtUtilsEsockWrapperPrivate::WlanQtUtilsEsockWrapperPrivate(

    WlanQtUtilsEsockWrapper *wrapper) :

    CActive(EPriorityStandard),

    iConnectionActive(EFalse),

    q_ptr(wrapper)

{

    OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_ENTRY, this);

    CActiveScheduler::Add(this);

    // Establish a session to Socket Server. Errors in Socket Server

    // connection are fatal so just throw them as exceptions

    qt_symbian_throwIfError(iSocketServer.Connect());

    OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_EXIT, this);

}

/*!

    Destructor.

 */

WlanQtUtilsEsockWrapperPrivate::~WlanQtUtilsEsockWrapperPrivate()

{

    OstTraceFunctionEntry1(DUP1_WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_ENTRY, this);

    // Close any possibly ongoing connection

    Cancel();

    // Close Socket Server session

    iSocketServer.Close();

    OstTraceFunctionExit1(DUP1_WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_EXIT, this);

}

/*!

   Starts connection creation to given IAP.

   @param [in] iapId IAP ID to connect.

 */

void WlanQtUtilsEsockWrapperPrivate::ConnectIap(int iapId)

{

    OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_CONNECTIAP_ENTRY, this);

    // Cancel a (possibly) ongoing previous request

    Cancel();

    OstTrace1(

        TRACE_NORMAL,

        WLANQTUTILSESOCKWRAPPERPRIVATE_CONNECTIAP,

        "WlanQtUtilsEsockWrapperPrivate::connectIap;iapId=%d",

        iapId );

    // Open an RConnection object. Errors in RConnection opening are

    // fatal so just throw them as exceptions

    qt_symbian_throwIfError(iConnection.Open(iSocketServer));

    // Create overrides for connection preferences to force opening of the

    // given IAP without any user prompts.

    TConnPrefList prefList;

    TExtendedConnPref prefs;

    prefs.SetIapId(iapId);

    prefs.SetNoteBehaviour(TExtendedConnPref::ENoteBehaviourConnSilent);

    QT_TRAP_THROWING(prefList.AppendL(&prefs));

    // Start a connection with connection preferences

    iConnection.Start(prefList, iStatus);

    iConnectionActive = ETrue;

    SetActive();

    OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_CONNECTIAP_EXIT, this);

}

/*!

   Disconnects connection, if one is active.

 */

void WlanQtUtilsEsockWrapperPrivate::DisconnectIap()

{      

    OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_ENTRY, this);

    if (iConnectionActive) {

        OstTrace0(

            TRACE_NORMAL,

            WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_DISCONNECT,

            "WlanQtUtilsEsockWrapperPrivate::disconnectIap Disconnecting connection");

        iConnectionActive = EFalse;

        iConnection.Close();            

    } else {

        OstTrace0(

            TRACE_NORMAL,

            WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_IGNORED,

            "WlanQtUtilsEsockWrapperPrivate::disconnectIap Ignored since no active connection");

    }

    OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_EXIT, this);

}

/*!

   From CActive: called when async request (RConnection::Start())

   has been completed.

 */

void WlanQtUtilsEsockWrapperPrivate::RunL()

{

    OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_RUNL_ENTRY, this);

    OstTrace1(

        TRACE_NORMAL,

        WLANQTUTILSESOCKWRAPPERPRIVATE_RUNL,

        "WlanQtUtilsEsockWrapperPrivate::RunL;iStatus=%d", iStatus.Int());

    bool success;

    if (iStatus == KErrNone) {

        success = true;

    } else {

        success = false;

        iConnectionActive = EFalse;

    }

    // Report to public wrapper

    q_ptr->updateConnection(success, iStatus.Int());

    OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_RUNL_EXIT, this);

}

/*!

   From CActive: called when active object is cancelled.

 */

void WlanQtUtilsEsockWrapperPrivate::DoCancel()

{

    OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_DOCANCEL_ENTRY, this);

    // Disconnect, if needed.

    DisconnectIap();

    OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_DOCANCEL_EXIT, this);

}