/*

* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Implementations for the scan list iterators

*

*/

#include "core_scan_list_iterator.h"

#include "core_scan_list.h"

#include "core_tools.h"

#include "core_am_tools.h"

#include "am_debug.h"

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

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_tag_c::core_scan_list_iterator_by_tag_c(

    core_scan_list_c& scan_list,

    u8_t tag ) :

    scan_list_m( scan_list ),

    tag_m( tag )

    {

    DEBUG( "core_scan_list_iterator_by_tag_c::core_scan_list_iterator_by_tag_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_tag_c::~core_scan_list_iterator_by_tag_c()

    {

    DEBUG( "core_scan_list_iterator_by_tag_c::~core_scan_list_iterator_by_tag_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_tag_c::first()

    {

    for( core_scan_list_c::core_scan_list_entry_s* iter = scan_list_m.scan_list_m.first(); iter; iter = scan_list_m.scan_list_m.next() )

        {

        if ( !( iter->tags & tag_m ) )

            {

            return iter->ap_data;

            }

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_tag_c::next()

    {

    for( core_scan_list_c::core_scan_list_entry_s* iter = scan_list_m.scan_list_m.next(); iter; iter = scan_list_m.scan_list_m.next() )

        {

        if ( !( iter->tags & tag_m ) )

            {

            return iter->ap_data;

            }

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_tag_c::current()

    {

    if ( scan_list_m.scan_list_m.current() )

        {

        return scan_list_m.scan_list_m.current()->ap_data;

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_age_c::core_scan_list_iterator_by_age_c(

    core_scan_list_c& scan_list,

    u32_t maximum_age ) :

    scan_list_m( scan_list ),

    maximum_age_m( maximum_age )

    {

    DEBUG( "core_scan_list_iterator_by_age_c::core_scan_list_iterator_by_age_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_age_c::~core_scan_list_iterator_by_age_c()

    {

    DEBUG( "core_scan_list_iterator_by_age_c::~core_scan_list_iterator_by_age_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_age_c::first()

    {

    for( core_scan_list_c::core_scan_list_entry_s* iter = scan_list_m.scan_list_m.first(); iter; iter = scan_list_m.scan_list_m.next() )

        {

        u64_t difference = ( core_am_tools_c::timestamp() - iter->timestamp ) / SECONDS_FROM_MICROSECONDS;

        if ( maximum_age_m == SCAN_LIST_AGE_ANY ||

             difference <= maximum_age_m )

            {

            return iter->ap_data;

            }

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_age_c::next()

    {

    for( core_scan_list_c::core_scan_list_entry_s* iter = scan_list_m.scan_list_m.next(); iter; iter = scan_list_m.scan_list_m.next() )

        {

        u64_t difference = ( core_am_tools_c::timestamp() - iter->timestamp ) / SECONDS_FROM_MICROSECONDS;

        if ( maximum_age_m == SCAN_LIST_AGE_ANY ||

             difference <= maximum_age_m )

            {

            return iter->ap_data;

            }

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_age_c::current()

    {

    if ( scan_list_m.scan_list_m.current() )

        {

        return scan_list_m.scan_list_m.current()->ap_data;

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_tag_and_ssid_c::core_scan_list_iterator_by_tag_and_ssid_c(

    core_scan_list_c& scan_list,

    u8_t tag,

    const core_ssid_s& ssid ) :

    core_scan_list_iterator_by_tag_c( scan_list, tag ),

    ssid_m( ssid )

    {

    DEBUG( "core_scan_list_iterator_by_tag_and_ssid_c::core_scan_list_iterator_by_tag_and_ssid_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_tag_and_ssid_c::~core_scan_list_iterator_by_tag_and_ssid_c()

    {

    DEBUG( "core_scan_list_iterator_by_tag_and_ssid_c::~core_scan_list_iterator_by_tag_and_ssid_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_tag_and_ssid_c::first()

    {

    core_ap_data_c* iter = core_scan_list_iterator_by_tag_c::first();

    while ( iter )

        {

        if ( iter->ssid() == ssid_m )

            {

            return iter;

            }

        iter = core_scan_list_iterator_by_tag_c::next();

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_tag_and_ssid_c::next()

    {

    core_ap_data_c* iter = core_scan_list_iterator_by_tag_c::next();

    while ( iter )

        {

        if ( iter->ssid() == ssid_m )

            {

            return iter;

            }

        iter = core_scan_list_iterator_by_tag_c::next();

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_tag_and_ssid_and_bssid_c::core_scan_list_iterator_by_tag_and_ssid_and_bssid_c(

    core_scan_list_c& scan_list,

    u8_t tag,

    const core_ssid_s& ssid,

    const core_mac_address_s& bssid ) :

    core_scan_list_iterator_by_tag_and_ssid_c( scan_list, tag, ssid ),

    bssid_m( bssid )

    {

    DEBUG( "core_scan_list_iterator_by_tag_and_ssid_and_bssid_c::core_scan_list_iterator_by_tag_and_ssid_and_bssid_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_scan_list_iterator_by_tag_and_ssid_and_bssid_c::~core_scan_list_iterator_by_tag_and_ssid_and_bssid_c()

    {

    DEBUG( "core_scan_list_iterator_by_tag_and_ssid_and_bssid_c::~core_scan_list_iterator_by_tag_and_ssid_and_bssid_c" );

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_tag_and_ssid_and_bssid_c::first()

    {

    core_ap_data_c* iter = core_scan_list_iterator_by_tag_and_ssid_c::first();

    while( iter )

        {

        if( bssid_m == BROADCAST_MAC_ADDR ||

            iter->bssid() == bssid_m )

            {

            return iter;

            }

        iter = core_scan_list_iterator_by_tag_and_ssid_c::next();

        }

    return NULL;

    }

// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------

//

core_ap_data_c* core_scan_list_iterator_by_tag_and_ssid_and_bssid_c::next()

    {

    core_ap_data_c* iter = core_scan_list_iterator_by_tag_and_ssid_c::next();

    while( iter )

        {

        if( bssid_m == BROADCAST_MAC_ADDR ||

            iter->bssid() == bssid_m )

            {

            return iter;

            }

        iter = core_scan_list_iterator_by_tag_and_ssid_c::next();

        }

    return NULL;

    }