/*

* Copyright (c) 2006-2009 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:  Class encapsulating core engine settings and statuses.

*

*/

#include "core_settings.h"

#include "core_settings_default.h"

#include "core_scan_channels.h"

#include "core_tools.h"

#include "am_debug.h"

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

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

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

//

core_settings_c::core_settings_c(

    u32_t features ) :

    is_wlan_enabled_m( true_t ),    

    is_driver_loaded_m( false_t ),

    connection_state_m( core_connection_state_notconnected ),

    power_mode_m( CORE_POWER_MODE_CAM ),

    preferred_power_save_m( CORE_POWER_SAVE_MODE_AUTOMATIC ),

    perm_whitelist_m( ),

    perm_blacklist_m( ),

    rcp_decline_boundary_m( 0 ),

    rcp_improve_boundary_m( 0 ),

    region_m( core_wlan_region_fcc ),

    mcc_known_m( false_t ),

    is_bt_connection_established_m( false_t ),

    roam_metrics_m( ),

    uapsd_settings_m( DEFAULT_UAPSD_SETTINGS ),

    power_save_settings_m( DEFAULT_POWER_SAVE_SETTINGS ),

    block_ack_usage_m( DEFAULT_BLOCK_ACK_USAGE ),

    weak_iap_list_m( ),

	features_m( features )

    {

    DEBUG( "core_settings_c::core_settings_c()" ); 

    clear_connection_statistics();

    core_tools_c::fillz(    

        &long_beacon_interval_channels_m.channel_scan_count[0],

        sizeof ( long_beacon_interval_channels_m ) );            

    }

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

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

//

core_settings_c::~core_settings_c()

    {

    DEBUG( "core_settings_c::~core_settings_c()" ); 

    perm_whitelist_m.clear();

    perm_blacklist_m.clear();

    weak_iap_list_m.clear();

    }

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

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

//   

bool_t core_settings_c::is_driver_loaded() const

    {

    return is_driver_loaded_m;

    }

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

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

//

void core_settings_c::set_driver_state(

    bool_t is_driver_loaded )

    {

    is_driver_loaded_m = is_driver_loaded;

    }

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

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

//

bool_t core_settings_c::is_wlan_enabled() const

    {

    return is_wlan_enabled_m;

    }

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

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

//

void core_settings_c::set_wlan_enabled(

    bool_t is_wlan_enabled )

    {

    is_wlan_enabled_m = is_wlan_enabled;

    }

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

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

//

const core_power_mode_s& core_settings_c::power_mode() const

    {

    return power_mode_m;    

    }

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

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

//

void core_settings_c::set_power_mode(

    const core_power_mode_s& mode )

    {

    power_mode_m = mode;

    }

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

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

//

const core_power_save_mode_s& core_settings_c::preferred_power_save_mode() const

    {

    return preferred_power_save_m;

    }

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

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

//

void core_settings_c::set_preferred_power_save_mode(

    const core_power_save_mode_s& mode )

    {

    preferred_power_save_m = mode;

    }

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

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

//

core_connection_state_e core_settings_c::connection_state() const

    {

    return connection_state_m;

    }

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

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

//

void core_settings_c::set_connection_state(

    core_connection_state_e state )

    {

    connection_state_m = state;

    }

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

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

//

bool_t core_settings_c::is_connected() const

    {

    if( connection_state_m == core_connection_state_notconnected )

        {

        return false_t;

        }

    return true_t;

    }

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

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

//

bool_t core_settings_c::is_permanent_whitelist_empty() const

    {

    return !perm_whitelist_m.count();

    }

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

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

//

bool_t core_settings_c::is_mac_in_permanent_whitelist(

    const core_mac_address_s& mac )

    {

    core_mac_address_s* addr = perm_whitelist_m.first();    

    while ( addr )

        {

        if ( *addr == mac )

            {

            return true_t;

            }

        addr = perm_whitelist_m.next();

        }        

    return false_t;    

    }

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

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

//

bool_t core_settings_c::is_mac_in_permanent_blacklist(

    const core_mac_address_s& mac )

    {

    core_ap_blacklist_entry_s* addr = perm_blacklist_m.first();    

    while ( addr )

        {

        if ( addr->bssid == mac )

            {

            return true_t;

            }

        addr = perm_blacklist_m.next();

        }        

    return false_t;

    }

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

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

//

void core_settings_c::add_mac_to_permanent_whitelist(

    const core_mac_address_s& mac )

    {

    if ( !is_mac_in_permanent_whitelist( mac ) )

        {

        core_mac_address_s* entry = new core_mac_address_s;

        if ( entry )

            {

            *entry = mac;

            perm_whitelist_m.append( entry );

            }                        

        }

    }

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

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

//

void core_settings_c::remove_mac_from_permanent_whitelist(

    const core_mac_address_s& mac )

    {

    core_mac_address_s* addr = perm_whitelist_m.first();    

    while ( addr )

        {

        if ( *addr == mac )

            {

            perm_whitelist_m.remove( addr );

            delete addr;

            return;

            }

        addr = perm_whitelist_m.next();

        }

    }

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

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

//

void core_settings_c::add_mac_to_permanent_blacklist(

    const core_mac_address_s& mac,

    core_ap_blacklist_reason_e reason )

    {

    if ( !is_mac_in_permanent_blacklist( mac ) )

        {

        core_ap_blacklist_entry_s* entry = new core_ap_blacklist_entry_s;

        if ( entry )

            {

            entry->bssid = mac;

            entry->reason = reason;

            perm_blacklist_m.append( entry );

            }                        

        }       

    }

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

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

//

void core_settings_c::remove_mac_from_permanent_blacklist(

    const core_mac_address_s& mac )

    {

    core_ap_blacklist_entry_s* addr = perm_blacklist_m.first();    

    while ( addr )

        {

        if ( addr->bssid == mac )

            {

            perm_blacklist_m.remove( addr );

            delete addr;

            return;

            }

        addr = perm_blacklist_m.next();

        }       

    }

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

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

//

core_type_list_c<core_ap_blacklist_entry_s>& core_settings_c::permanent_blacklist()

    {

    return perm_blacklist_m;

    }

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

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

//

void core_settings_c::set_rcpi_boundaries(

    u32_t rcp_decline_boundary,

    u32_t rcp_improve_boundary )

    {

    rcp_decline_boundary_m = rcp_decline_boundary;

    rcp_improve_boundary_m = rcp_improve_boundary;

    }

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

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

//

u32_t core_settings_c::rcp_decline_boundary() const

    {

    return rcp_decline_boundary_m;

    }

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

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

//

u32_t core_settings_c::rcp_improve_boundary() const

    {

    return rcp_improve_boundary_m;    

    }

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

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//

core_wlan_region_e core_settings_c::regional_domain() const

    {

    return region_m;

    }

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

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//

void core_settings_c::set_regional_domain(

    core_wlan_region_e region )

    {

    region_m = region;

    }

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

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//

bool_t core_settings_c::mcc_known() const

    {

    return mcc_known_m;

    }

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

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

//

void core_settings_c::set_mcc_known(

    bool_t mcc_known )

    {

    mcc_known_m = mcc_known;

    }

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

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

//

bool_t core_settings_c::is_valid_channel(

    u8_t band,

    u8_t channel ) const

    {

    if ( band & SCAN_BAND_2DOT4GHZ )

        {

        if( !channel )

            {

            return false_t;

            }

        if( region_m == core_wlan_region_fcc &&

            channel > SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_FCC )

            {

            return false_t;

            }

        else if ( channel > SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_EURO )

            {

            return false_t;

            }

        return true_t;        

        }

    return false_t;

    }

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

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

//

core_scan_channels_s core_settings_c::all_valid_scan_channels() const

    {

    if( region_m == core_wlan_region_fcc )

        {

        return SCAN_CHANNELS_2DOT4GHZ_US;

        }

    return SCAN_CHANNELS_2DOT4GHZ_ETSI;

    }

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

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

//

core_scan_channels_s core_settings_c::valid_scan_channels(

    const core_scan_channels_s& channels )

    {    

    core_scan_channels_c filtered_channels;

    if ( channels.band & SCAN_BAND_2DOT4GHZ )

        {

        u16_t mask( 0 );

        core_tools_c::copy(

            reinterpret_cast<u8_t*>( &mask ),

            &channels.channels2dot4ghz[0],            

            sizeof( mask ) );       

        for ( u8_t channel( 0 ); channel < SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_EURO; ++channel )

            {

            if ( mask & ( 1 << channel ) &&

                 is_valid_channel(

                    SCAN_BAND_2DOT4GHZ,

                    channel + 1 ) )                    

                {

                filtered_channels.add(

                    SCAN_BAND_2DOT4GHZ,

                    channel + 1 );

                }

            }

        }

    return filtered_channels.channels();

    }

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

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

//

core_scan_channels_s core_settings_c::invalid_scan_channels(

    const core_scan_channels_s& channels )

    {    

    core_scan_channels_c filtered_channels;

    if ( channels.band & SCAN_BAND_2DOT4GHZ )

        {

        u16_t mask( 0 );

        core_tools_c::copy(

            reinterpret_cast<u8_t*>( &mask ),

            &channels.channels2dot4ghz[0],            

            sizeof( mask ) );       

        for ( u8_t channel( 0 ); channel < SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_EURO; ++channel )

            {

            if ( !( mask & ( 1 << channel ) &&

                 is_valid_channel(

                    SCAN_BAND_2DOT4GHZ,

                    channel + 1 ) ) )                    

                {

                filtered_channels.add(

                    SCAN_BAND_2DOT4GHZ,

                    channel + 1 );

                }

            }

        }

    return filtered_channels.channels();

    }

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

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

//

bool_t core_settings_c::is_bt_connection_established() const

    {

    return is_bt_connection_established_m;   

    }

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

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

//

void core_settings_c::set_bt_connection_established(

    bool_t established )

    {

    is_bt_connection_established_m = established;

    }

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

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

//

const core_packet_statistics_by_access_category_s& core_settings_c::connection_statistics_by_access_category()

    {

    return current_statistics_m;   

    }

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

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

//

core_packet_statistics_s core_settings_c::connection_statistics()

    {

    core_packet_statistics_s statistics;

    core_tools_c::fillz(

        &statistics,

        sizeof( statistics ) );

    for ( u8_t idx( 0 ); idx < MAX_QOS_ACCESS_CLASS; ++idx )

        {

        statistics.rx_frames += current_statistics_m.ac[idx].rx_frames;

        statistics.tx_frames += current_statistics_m.ac[idx].tx_frames;

        statistics.rx_multicast_frames += current_statistics_m.ac[idx].rx_multicast_frames;

        statistics.tx_multicast_frames += current_statistics_m.ac[idx].tx_multicast_frames;

        statistics.tx_retries += current_statistics_m.ac[idx].tx_retries;

        statistics.tx_errors += current_statistics_m.ac[idx].tx_errors;

        }

    statistics.fcs_errors = current_statistics_m.fcs_errors;

    return statistics;   

    }

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

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

//

void core_settings_c::update_connection_statistics(