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mbed-os/features/FEATURE_BLE/ble/generic/GenericGap.h

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/* mbed Microcontroller Library
* Copyright (c) 2017-2017 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_BLE_GENERIC_GAP
#define MBED_BLE_GENERIC_GAP
#include <algorithm>
#include "ble/BLEProtocol.h"
#include "ble/Gap.h"
#include "ble/pal/PalGap.h"
#include "ble/pal/GapEvents.h"
#include "ble/pal/GapTypes.h"
#include "ble/BLETypes.h"
#include "ble/pal/GenericAccessService.h"
#include "ble/pal/EventQueue.h"
#include "ble/pal/ConnectionEventMonitor.h"
#include "ble/pal/Deprecated.h"
#include "drivers/LowPowerTimeout.h"
#include "drivers/LowPowerTicker.h"
#include "platform/mbed_error.h"
namespace ble {
namespace generic {
/**
* Generic implementation of the Gap class.
* It requires a pal::Gap and a pal::GenericAccessService injected at
* construction site.
*
* @attention: Not part of the public interface of BLE API.
*/
template<
template<class> class TPalGap,
class PalSecurityManager,
class ConnectionEventMonitorEventHandler
>
class GenericGap :
public interface::LegacyGap<
GenericGap<TPalGap, PalSecurityManager, ConnectionEventMonitorEventHandler>
>,
public pal::ConnectionEventMonitor<
ConnectionEventMonitorEventHandler
>,
public pal::GapEventHandler<
GenericGap<TPalGap, PalSecurityManager, ConnectionEventMonitorEventHandler>
>
{
// Typedef of base and companion classes .
typedef ::ble::interface::LegacyGap<GenericGap> LegacyGap;
typedef ::ble::interface::Gap<GenericGap> Gap;
typedef pal::ConnectionEventMonitor<ConnectionEventMonitorEventHandler> ConnectionEventMonitor;
typedef TPalGap<GenericGap> PalGap;
typedef pal::GapEventHandler<GenericGap> PalGapEventHandler;
// Friendship with base classes
friend LegacyGap;
friend Gap;
friend ConnectionEventMonitor;
friend pal::GapEventHandler<GenericGap>;
friend PalGap;
// Imports from LegacyGap
using LegacyGap::_eventHandler;
using LegacyGap::default_peripheral_privacy_configuration;
using LegacyGap::default_central_privacy_configuration;
using LegacyGap::state;
typedef typename LegacyGap::Address_t Address_t;
typedef typename LegacyGap::PeerAddressType_t PeerAddressType_t;
typedef typename LegacyGap::ConnectionParams_t ConnectionParams_t;
typedef typename LegacyGap::Handle_t Handle_t;
typedef typename LegacyGap::CodedSymbolPerBit_t CodedSymbolPerBit_t;
typedef typename LegacyGap::Whitelist_t Whitelist_t;
typedef typename LegacyGap::DisconnectionReason_t DisconnectionReason_t;
typedef typename LegacyGap::AdvertisingPolicyMode_t AdvertisingPolicyMode_t;
typedef typename LegacyGap::ScanningPolicyMode_t ScanningPolicyMode_t;
typedef typename LegacyGap::InitiatorPolicyMode_t InitiatorPolicyMode_t;
typedef typename LegacyGap::PeripheralPrivacyConfiguration_t PeripheralPrivacyConfiguration_t;
typedef typename LegacyGap::CentralPrivacyConfiguration_t CentralPrivacyConfiguration_t;
typedef typename LegacyGap::Role_t Role_t;
// Imports from Gap
#if BLE_ROLE_BROADCASTER
using ble::interface::Gap<GenericGap>::getMaxAdvertisingSetNumber;
using ble::interface::Gap<GenericGap>::getMaxAdvertisingDataLength;
#endif // BLE_ROLE_BROADCASTER
using ble::interface::Gap<GenericGap>::isFeatureSupported;
using ble::interface::Gap<GenericGap>::useVersionOneAPI;
using ble::interface::Gap<GenericGap>::useVersionTwoAPI;
// Imports from PalGap EventHandler
using PalGapEventHandler::on_scan_timeout;
// Imports from ConnectionEventMonitor
using ConnectionEventMonitor::_connection_event_handler;
using ConnectionEventMonitor::set_connection_event_handler;
public:
/* TODO: move to config */
static const uint8_t MAX_ADVERTISING_SETS = 15;
/**
* Construct a GenericGap.
*
* @param event_queue Event queue used to serialise execution.
*
* @param pal_gap GAP Platform abstraction instance containing the base GAP
* primitives.
*
* @param generic_access_service Platform abstraction instance managing
* the GATT generic access service.
*
* @param pal_sm Security Manager Platform abstraction instance containing the base
* Security Manager primitives.
*/
GenericGap(
pal::EventQueue &event_queue,
PalGap &pal_gap,
pal::GenericAccessService &generic_access_service,
PalSecurityManager &pal_sm
);
/**
* @see Gap::~Gap
*/
~GenericGap();
/** @copydoc Gap::IsFeatureSupported
*/
bool isFeatureSupported_(
controller_supported_features_t feature
);
/** @copydoc Gap::getMaxAdvertisingSetNumber
*/
uint8_t getMaxAdvertisingSetNumber_();
/** @copydoc Gap::getMaxAdvertisingDataLength
*/
uint16_t getMaxAdvertisingDataLength_();
/** @copydoc Gap::getMaxConnectableAdvertisingDataLength
*/
uint16_t getMaxConnectableAdvertisingDataLength_();
/** @copydoc Gap::getMaxActiveSetAdvertisingDataLength
*/
uint16_t getMaxActiveSetAdvertisingDataLength_();
/** @copydoc Gap::createAdvertisingSet
*/
ble_error_t createAdvertisingSet_(
advertising_handle_t *handle,
const AdvertisingParameters &parameters
);
/** @copydoc Gap::destroyAdvertisingSet
*/
ble_error_t destroyAdvertisingSet_(advertising_handle_t handle);
/** @copydoc Gap::setAdvertisingParams
*/
ble_error_t setAdvertisingParameters_(
advertising_handle_t handle,
const AdvertisingParameters &params
);
/** @copydoc Gap::setAdvertisingPayload
*/
ble_error_t setAdvertisingPayload_(
advertising_handle_t handle,
mbed::Span<const uint8_t> payload
);
/** @copydoc Gap::setAdvertisingScanResponse
*/
ble_error_t setAdvertisingScanResponse_(
advertising_handle_t handle,
mbed::Span<const uint8_t> response
);
/** @copydoc Gap::startAdvertising
*/
ble_error_t startAdvertising_(
advertising_handle_t handle,
adv_duration_t maxDuration,
uint8_t maxEvents
);
/** @copydoc Gap::stopAdvertising
*/
ble_error_t stopAdvertising_(advertising_handle_t handle);
/** @copydoc Gap::isAdvertisingActive
*/
bool isAdvertisingActive_(advertising_handle_t handle);
/** @copydoc Gap::setPeriodicAdvertisingParameters
*/
ble_error_t setPeriodicAdvertisingParameters_(
advertising_handle_t handle,
periodic_interval_t periodicAdvertisingIntervalMin,
periodic_interval_t periodicAdvertisingIntervalMax,
bool advertiseTxPower
);
/** @copydoc Gap::setPeriodicAdvertisingPayload
*/
ble_error_t setPeriodicAdvertisingPayload_(
advertising_handle_t handle,
mbed::Span<const uint8_t> payload
);
/** @copydoc Gap::startPeriodicAdvertising
*/
ble_error_t startPeriodicAdvertising_(advertising_handle_t handle);
/** @copydoc Gap::stopPeriodicAdvertising
*/
ble_error_t stopPeriodicAdvertising_(advertising_handle_t handle);
/** @copydoc Gap::isPeriodicAdvertisingActive
*/
bool isPeriodicAdvertisingActive_(advertising_handle_t handle);
/** @copydoc Gap::setScanParameters
*/
ble_error_t setScanParameters_(const ScanParameters &params);
/** @copydoc Gap::startScan
*/
ble_error_t startScan_(
scan_duration_t duration,
duplicates_filter_t filtering,
scan_period_t period
);
/** @copydoc Gap::createSync
*/
ble_error_t createSync_(
peer_address_type_t peerAddressType,
const ble::address_t &peerAddress,
advertising_sid_t sid,
slave_latency_t maxPacketSkip,
sync_timeout_t timeout
);
/** @copydoc Gap::createSync
*/
ble_error_t createSync_(
slave_latency_t maxPacketSkip,
sync_timeout_t timeout
);
/** @copydoc Gap::cancelCreateSync
*/
ble_error_t cancelCreateSync_();
/** @copydoc Gap::terminateSync
*/
ble_error_t terminateSync_(periodic_sync_handle_t handle);
/** @copydoc Gap::addDeviceToPeriodicAdvertiserList
*/
ble_error_t addDeviceToPeriodicAdvertiserList_(
peer_address_type_t peerAddressType,
const ble::address_t &peerAddress,
advertising_sid_t sid
);
/** @copydoc Gap::removeDeviceFromPeriodicAdvertiserList
*/
ble_error_t removeDeviceFromPeriodicAdvertiserList_(
peer_address_type_t peerAddressType,
const ble::address_t &peerAddress,
advertising_sid_t sid
);
/** @copydoc Gap::clearPeriodicAdvertiserList
*/
ble_error_t clearPeriodicAdvertiserList_();
/** @copydoc Gap::getMaxPeriodicAdvertiserListSize
*/
uint8_t getMaxPeriodicAdvertiserListSize_();
/**
* @see Gap::setAddress
*/
ble_error_t setAddress_(
BLEProtocol::AddressType_t type,
const BLEProtocol::AddressBytes_t address
);
/**
* @see Gap::getAddress
*/
ble_error_t getAddress_(
BLEProtocol::AddressType_t *type,
BLEProtocol::AddressBytes_t address
);
/**
* @see Gap::getMinAdvertisingInterval
*/
uint16_t getMinAdvertisingInterval_() const;
/**
* @see Gap::getMinNonConnectableAdvertisingInterval
*/
uint16_t getMinNonConnectableAdvertisingInterval_() const;
/**
* @see Gap::getMaxAdvertisingInterval
*/
uint16_t getMaxAdvertisingInterval_() const;
/**
* @see Gap::stopAdvertising
*/
ble_error_t stopAdvertising_();
/**
* @see Gap::stopScan
*/
ble_error_t stopScan_();
/**
* @see Gap::connect
*/
ble_error_t connect_(
const BLEProtocol::AddressBytes_t peerAddr,
PeerAddressType_t peerAddrType,
const ConnectionParams_t *connectionParams,
const GapScanningParams *scanParams
);
/**
* @see Gap::connect
*/
ble_error_t connect_(
const BLEProtocol::AddressBytes_t peerAddr,
BLEProtocol::AddressType_t peerAddrType,
const ConnectionParams_t *connectionParams,
const GapScanningParams *scanParams
);
/**
* @see Gap::connect
*/
ble_error_t connect_(
peer_address_type_t peerAddressType,
const ble::address_t &peerAddress,
const ConnectionParameters &connectionParams
);
/**
* @see Gap::cancelConnect
*/
ble_error_t cancelConnect_();
ble_error_t manageConnectionParametersUpdateRequest_(
bool userManageConnectionUpdateRequest
);
ble_error_t updateConnectionParameters_(
connection_handle_t connectionHandle,
conn_interval_t minConnectionInterval,
conn_interval_t maxConnectionInterval,
slave_latency_t slaveLatency,
supervision_timeout_t supervisionTimeout,
conn_event_length_t minConnectionEventLength,
conn_event_length_t maxConnectionEventLength
);
ble_error_t acceptConnectionParametersUpdate_(
connection_handle_t connectionHandle,
conn_interval_t minConnectionInterval,
conn_interval_t maxConnectionInterval,
slave_latency_t slaveLatency,
supervision_timeout_t supervisionTimeout,
conn_event_length_t minConnectionEventLength,
conn_event_length_t maxConnectionEventLength
);
ble_error_t rejectConnectionParametersUpdate_(
connection_handle_t connectionHandle
);
/**
* @see Gap::readPhy
*/
ble_error_t readPhy_(Handle_t connection);
/**
* @see Gap::setPreferredPhys
*/
ble_error_t setPreferredPhys_(
const phy_set_t *txPhys,
const phy_set_t *rxPhys
);
/**
* @see Gap::setPhy
*/
ble_error_t setPhy_(
Handle_t connection,
const phy_set_t *txPhys,
const phy_set_t *rxPhys,
CodedSymbolPerBit_t codedSymbol
);
ble_error_t disconnect_(
connection_handle_t connectionHandle,
local_disconnection_reason_t reason
);
/**
* @see Gap::disconnect
*/
ble_error_t disconnect_(
Handle_t connectionHandle,
DisconnectionReason_t reason
);
/**
* @see Gap::disconnect
*/
ble_error_t disconnect_(DisconnectionReason_t reason);
/**
* @see Gap::updateConnectionParams
*/
ble_error_t updateConnectionParams_(
Handle_t handle,
const ConnectionParams_t *params
);
/**
* @see Gap::getPreferredConnectionParams
*/
ble_error_t getPreferredConnectionParams_(
ConnectionParams_t *params
);
/**
* @see Gap::setPreferredConnectionParams
*/
ble_error_t setPreferredConnectionParams_(
const ConnectionParams_t *params
);
/**
* @see Gap::setDeviceName
*/
ble_error_t setDeviceName_(const uint8_t *deviceName);
/**
* @see Gap::getDeviceName
*/
ble_error_t getDeviceName_(uint8_t *deviceName, unsigned *lengthP);
/**
* @see Gap::setAppearance
*/
ble_error_t setAppearance_(GapAdvertisingData::Appearance appearance);
/**
* @see Gap::getAppearance
*/
ble_error_t getAppearance_(GapAdvertisingData::Appearance *appearanceP);
/**
* @see Gap::setTxPower
*/
ble_error_t setTxPower_(int8_t txPower);
/**
* @see Gap::getPermittedTxPowerValues
*/
void getPermittedTxPowerValues_(const int8_t **valueArrayPP, size_t *countP);
/**
* @see Gap::getMaxWhitelistSize
*/
uint8_t getMaxWhitelistSize_(void) const;
/**
* @see Gap::getWhitelist
*/
ble_error_t getWhitelist_(Whitelist_t &whitelist) const;
/**
* @see Gap::setWhitelist
*/
ble_error_t setWhitelist_(const Whitelist_t &whitelist);
/**
* @see Gap::setAdvertisingPolicyMode
*/
ble_error_t setAdvertisingPolicyMode_(AdvertisingPolicyMode_t mode);
/**
* @see Gap::setScanningPolicyMode
*/
ble_error_t setScanningPolicyMode_(ScanningPolicyMode_t mode);
/**
* @see Gap::setInitiatorPolicyMode
*/
ble_error_t setInitiatorPolicyMode_(InitiatorPolicyMode_t mode);
/**
* @see Gap::getAdvertisingPolicyMode
*/
AdvertisingPolicyMode_t getAdvertisingPolicyMode_(void) const;
/**
* @see Gap::getScanningPolicyMode
*/
ScanningPolicyMode_t getScanningPolicyMode_(void) const;
/**
* @see Gap::getInitiatorPolicyMode
*/
InitiatorPolicyMode_t getInitiatorPolicyMode_(void) const;
/**
* @see Gap::startRadioScan
*/
ble_error_t startRadioScan_(const GapScanningParams &scanningParams);
/**
* @see Gap::initRadioNotification
*/
ble_error_t initRadioNotification_(void);
/**
* @see Gap::enablePrivacy
*/
ble_error_t enablePrivacy_(bool enable);
/**
* @see Gap::setPeripheralPrivacyConfiguration
*/
ble_error_t setPeripheralPrivacyConfiguration_(
const PeripheralPrivacyConfiguration_t *configuration
);
/**
* @see Gap::getPeripheralPrivacyConfiguration
*/
ble_error_t getPeripheralPrivacyConfiguration_(
PeripheralPrivacyConfiguration_t *configuration
);
/**
* @see Gap::setCentralPrivacyConfiguration
*/
ble_error_t setCentralPrivacyConfiguration_(
const CentralPrivacyConfiguration_t *configuration
);
/**
* @see Gap::getCentralPrivacyConfiguration
*/
ble_error_t getCentralPrivacyConfiguration_(
CentralPrivacyConfiguration_t *configuration
);
/**
* @see Gap::setAdvertisingData
*/
ble_error_t setAdvertisingData_(
const GapAdvertisingData &advData,
const GapAdvertisingData &scanResponse
);
/**
* @see Gap::startAdvertising
*/
ble_error_t startAdvertising_(const GapAdvertisingParams &params);
/**
* @see Gap::reset
*/
ble_error_t reset_(void);
/**
* @copydoc ::Gap::processConnectionEvent
*/
void processConnectionEvent(
Handle_t handle,
Role_t role,
peer_address_type_t peerAddrType,
const BLEProtocol::AddressBytes_t peerAddr,
BLEProtocol::AddressType_t ownAddrType,
const BLEProtocol::AddressBytes_t ownAddr,
const ConnectionParams_t *connectionParams,
const uint8_t *peerResolvableAddr,
const uint8_t *localResolvableAddr
);
/**
* @copydoc ::Gap::processDisconnectionEvent
*/
void processDisconnectionEvent(
Handle_t handle,
DisconnectionReason_t reason
);
private:
ble_error_t setAdvertisingData(
advertising_handle_t handle,
mbed::Span<const uint8_t> payload,
bool minimiseFragmentation,
bool scan_response
);
void process_scan_timeout();
void on_advertising_timeout();
void process_advertising_timeout();
void on_gap_event_received(const pal::GapEvent &e);
void on_advertising_report(const pal::GapAdvertisingReportEvent &e);
void on_connection_complete(const pal::GapConnectionCompleteEvent &e);
void on_disconnection_complete(const pal::GapDisconnectionCompleteEvent &e);
void on_connection_parameter_request(
const pal::GapRemoteConnectionParameterRequestEvent &e
);
void on_connection_update(const pal::GapConnectionUpdateEvent &e);
void on_unexpected_error(const pal::GapUnexpectedErrorEvent &e);
enum AddressUseType_t {
CENTRAL_CONNECTION,
CENTRAL_SCAN,
PERIPHERAL_CONNECTABLE,
PERIPHERAL_NON_CONNECTABLE
};
pal::own_address_type_t get_own_address_type(AddressUseType_t address_use_type);
bool initialize_whitelist() const;
ble_error_t update_address_resolution_setting();
void set_random_address_rotation(bool enable);
void update_random_address();
bool getUnresolvableRandomAddress(ble::address_t &address);
void on_address_rotation_timeout();
void useVersionOneAPI_() const;
void useVersionTwoAPI_() const;
/* implements pal::Gap::EventHandler */
private:
void on_read_phy_(
pal::hci_error_code_t hci_status,
Handle_t connection_handle,
phy_t tx_phy,
phy_t rx_phy
);
void on_data_length_change_(
connection_handle_t connection_handle,
uint16_t tx_size,
uint16_t rx_size
);
void on_phy_update_complete_(
pal::hci_error_code_t hci_status,
Handle_t connection_handle,
phy_t tx_phy,
phy_t rx_phy
);
void on_enhanced_connection_complete_(
pal::hci_error_code_t status,
connection_handle_t connection_handle,
pal::connection_role_t own_role,
pal::connection_peer_address_type_t peer_address_type,
const ble::address_t &peer_address,
const ble::address_t &local_resolvable_private_address,
const ble::address_t &peer_resolvable_private_address,
uint16_t connection_interval,
uint16_t connection_latency,
uint16_t supervision_timeout,
pal::clock_accuracy_t master_clock_accuracy
);
void on_extended_advertising_report_(
advertising_event_t event_type,
const pal::connection_peer_address_type_t *address_type,
const ble::address_t &address,
phy_t primary_phy,
const phy_t *secondary_phy,
advertising_sid_t advertising_sid,
pal::advertising_power_t tx_power,
pal::rssi_t rssi,
uint16_t periodic_advertising_interval,
pal::direct_address_type_t direct_address_type,
const ble::address_t &direct_address,
uint8_t data_length,
const uint8_t *data
);
void on_periodic_advertising_sync_established_(
pal::hci_error_code_t error,
pal::sync_handle_t sync_handle,
advertising_sid_t advertising_sid,
pal::connection_peer_address_type_t advertiser_address_type,
const ble::address_t &advertiser_address,
phy_t advertiser_phy,
uint16_t periodic_advertising_interval,
pal::clock_accuracy_t clock_accuracy
);
void on_periodic_advertising_report_(
pal::sync_handle_t sync_handle,
pal::advertising_power_t tx_power,
pal::rssi_t rssi,
pal::advertising_data_status_t data_status,
uint8_t data_length,
const uint8_t *data
);
void on_periodic_advertising_sync_loss_(pal::sync_handle_t sync_handle);
void on_advertising_set_terminated_(
pal::hci_error_code_t status,
advertising_handle_t advertising_handle,
connection_handle_t connection_handle,
uint8_t number_of_completed_extended_advertising_events
);
void on_scan_request_received_(
advertising_handle_t advertising_handle,
pal::connection_peer_address_type_t scanner_address_type,
const ble::address_t &address
);
void on_connection_update_complete_(
pal::hci_error_code_t status,
connection_handle_t connection_handle,
uint16_t connection_interval,
uint16_t connection_latency,
uint16_t supervision_timeout
);
void on_remote_connection_parameter_(
connection_handle_t connection_handle,
uint16_t connection_interval_min,
uint16_t connection_interval_max,
uint16_t connection_latency,
uint16_t supervision_timeout
);
void on_scan_timeout_();
void process_legacy_scan_timeout();
private:
pal::EventQueue &_event_queue;
PalGap &_pal_gap;
pal::GenericAccessService &_gap_service;
PalSecurityManager &_pal_sm;
BLEProtocol::AddressType_t _address_type;
ble::address_t _address;
pal::initiator_policy_t _initiator_policy_mode;
pal::scanning_filter_policy_t _scanning_filter_policy;
pal::advertising_filter_policy_t _advertising_filter_policy;
mutable Whitelist_t _whitelist;
bool _privacy_enabled;
PeripheralPrivacyConfiguration_t _peripheral_privacy_configuration;
CentralPrivacyConfiguration_t _central_privacy_configuration;
ble::address_t _random_static_identity_address;
bool _random_address_rotating;
bool _scan_enabled;
mbed::LowPowerTimeout _advertising_timeout;
mbed::LowPowerTimeout _scan_timeout;
mbed::LowPowerTicker _address_rotation_ticker;
template<size_t bit_size>
struct BitArray {
BitArray() : data()
{
}
bool get(size_t index) const
{
position p(index);
return (data[p.byte_index] >> p.bit_index) & 0x01;
}
void set(size_t index)
{
position p(index);
data[p.byte_index] |= (0x01 << p.bit_index);
}
void clear(size_t index)
{
position p(index);
data[p.byte_index] &= ~(0x01 << p.bit_index);
}
void clear()
{
for (size_t i = 0; i < (bit_size / 8 + 1); ++i) {
data[i] = 0;
}
}
private:
struct position {
position(size_t bit_number) :
byte_index(bit_number / 8),
bit_index(bit_number % 8)
{
}
size_t byte_index;
uint8_t bit_index;
};
uint8_t data[bit_size / 8 + 1];
};
BitArray<MAX_ADVERTISING_SETS> _existing_sets;
BitArray<MAX_ADVERTISING_SETS> _active_sets;
BitArray<MAX_ADVERTISING_SETS> _active_periodic_sets;
BitArray<MAX_ADVERTISING_SETS> _connectable_payload_size_exceeded;
BitArray<MAX_ADVERTISING_SETS> _set_is_connectable;
// deprecation flags
mutable bool _deprecated_scan_api_used : 1;
mutable bool _non_deprecated_scan_api_used : 1;
bool _user_manage_connection_parameter_requests : 1;
private:
ble_error_t setExtendedAdvertisingParameters(
advertising_handle_t handle,
const AdvertisingParameters &parameters
);
bool is_extended_advertising_available();
};
} // namespace generic
} // namespace ble
#endif /* MBED_BLE_GENERIC_GAP */
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