xref: /aosp_15_r20/packages/modules/Bluetooth/system/gd/rust/topshim/src/profiles/gatt.rs

use crate::bindings::root as bindings;
use crate::btif::{ptr_to_vec, BluetoothInterface, BtStatus, RawAddress, SupportedProfiles, Uuid};
use crate::profiles::gatt::bindings::{
    btgatt_callbacks_t, btgatt_client_callbacks_t, btgatt_client_interface_t, btgatt_interface_t,
    btgatt_scanner_callbacks_t, btgatt_server_callbacks_t, btgatt_server_interface_t,
    BleAdvertiserInterface, BleScannerInterface,
};
use crate::topstack::get_dispatchers;
use crate::utils::LTCheckedPtr;
use crate::{ccall, mutcxxcall};

use num_derive::{FromPrimitive, ToPrimitive};
use num_traits::cast::{FromPrimitive, ToPrimitive};

use std::fmt::{Display, Formatter, Result};
use std::sync::{Arc, Mutex};

use topshim_macros::{cb_variant, gen_cxx_extern_trivial};

pub type BtGattNotifyParams = bindings::btgatt_notify_params_t;
pub type BtGattReadParams = bindings::btgatt_read_params_t;
pub type BtGattDbElement = bindings::btgatt_db_element_t;
pub type BtGattResponse = bindings::btgatt_response_t;
pub type BtGattValue = bindings::btgatt_value_t;
pub type BtGattTestParams = bindings::btgatt_test_params_t;

#[cxx::bridge(namespace = bluetooth::topshim::rust)]
pub mod ffi {
    unsafe extern "C++" {
        include!("types/raw_address.h");
        #[namespace = ""]
        type RawAddress = crate::btif::RawAddress;
        #[namespace = "bluetooth"]
        type Uuid = crate::btif::Uuid;
    }

    #[derive(Debug, Clone)]
    pub struct RustAdvertisingTrackInfo {
        monitor_handle: u8,
        scanner_id: u8,
        filter_index: u8,
        advertiser_state: u8,
        advertiser_info_present: u8,
        advertiser_address: RawAddress,
        advertiser_address_type: u8,
        tx_power: u8,
        rssi: i8,
        timestamp: u16,
        adv_packet_len: u8,
        adv_packet: Vec<u8>,
        scan_response_len: u8,
        scan_response: Vec<u8>,
    }

    // Defined in C++ and needs a translation in shim.
    #[derive(Debug, Clone)]
    pub struct RustApcfCommand {
        type_: u8,
        address: RawAddress,
        addr_type: u8,
        uuid: Uuid,
        uuid_mask: Uuid,
        name: Vec<u8>,
        company: u16,
        company_mask: u16,
        ad_type: u8,
        org_id: u8,
        tds_flags: u8,
        tds_flags_mask: u8,
        meta_data_type: u8,
        meta_data: Vec<u8>,
        data: Vec<u8>,
        data_mask: Vec<u8>,
        irk: [u8; 16],
    }

    // Defined in C++ and needs a translation in shim.
    #[derive(Debug, Clone)]
    pub struct RustMsftAdvMonitorPattern {
        pub ad_type: u8,
        pub start_byte: u8,
        pub pattern: Vec<u8>,
    }

    #[derive(Debug, Clone)]
    pub struct RustMsftAdvMonitorAddress {
        pub addr_type: u8,
        pub bd_addr: RawAddress,
    }

    // Defined in C++ and needs a translation in shim.
    #[derive(Debug, Clone)]
    pub struct RustMsftAdvMonitor {
        pub rssi_high_threshold: u8,
        pub rssi_low_threshold: u8,
        pub rssi_low_timeout: u8,
        pub rssi_sampling_period: u8,
        pub condition_type: u8,
        pub patterns: Vec<RustMsftAdvMonitorPattern>,
        pub addr_info: RustMsftAdvMonitorAddress,
    }

    unsafe extern "C++" {
        include!("gatt/gatt_shim.h");

        type GattClientIntf;

        unsafe fn GetGattClientProfile(btif: *const u8) -> UniquePtr<GattClientIntf>;

        fn read_phy(self: Pin<&mut GattClientIntf>, client_if: i32, bt_addr: RawAddress) -> i32;

        type GattServerIntf;

        unsafe fn GetGattServerProfile(btif: *const u8) -> UniquePtr<GattServerIntf>;

        fn server_read_phy(
            self: Pin<&mut GattServerIntf>,
            server_if: i32,
            bt_addr: RawAddress,
        ) -> i32;
    }

    extern "Rust" {
        // Generated by cb_variant! below.
        fn read_phy_callback(client_if: i32, addr: RawAddress, tx_phy: u8, rx_phy: u8, status: u8);

        fn server_read_phy_callback(
            server_if: i32,
            addr: RawAddress,
            tx_phy: u8,
            rx_phy: u8,
            status: u8,
        );
    }

    unsafe extern "C++" {
        include!("gatt/gatt_ble_scanner_shim.h");

        type BleScannerIntf;

        #[namespace = ""]
        #[cxx_name = "btgatt_filt_param_setup_t"]
        type GattFilterParam = super::GattFilterParam;

        unsafe fn GetBleScannerIntf(gatt: *const u8) -> UniquePtr<BleScannerIntf>;

        fn RegisterScanner(self: Pin<&mut BleScannerIntf>, uuid: Uuid);
        fn Unregister(self: Pin<&mut BleScannerIntf>, scanner_id: u8);
        fn Scan(self: Pin<&mut BleScannerIntf>, start: bool);
        fn ScanFilterParamSetup(
            self: Pin<&mut BleScannerIntf>,
            scanner_id: u8,
            action: u8,
            filter_index: u8,
            filt_param: GattFilterParam,
        );
        fn ScanFilterAdd(
            self: Pin<&mut BleScannerIntf>,
            filter_index: u8,
            filters: Vec<RustApcfCommand>,
        );
        fn ScanFilterClear(self: Pin<&mut BleScannerIntf>, filter_index: u8);
        fn ScanFilterEnable(self: Pin<&mut BleScannerIntf>, enable: bool);
        fn IsMsftSupported(self: Pin<&mut BleScannerIntf>) -> bool;
        fn MsftAdvMonitorAdd(self: Pin<&mut BleScannerIntf>, monitor: &RustMsftAdvMonitor);
        fn MsftAdvMonitorRemove(self: Pin<&mut BleScannerIntf>, monitor_handle: u8);
        fn MsftAdvMonitorEnable(self: Pin<&mut BleScannerIntf>, enable: bool);
        fn SetScanParameters(
            self: Pin<&mut BleScannerIntf>,
            scanner_id: u8,
            scan_type: u8,
            scan_interval: u16,
            scan_window: u16,
            scan_phy: u8,
        );

        fn BatchscanConfigStorage(
            self: Pin<&mut BleScannerIntf>,
            scanner_id: u8,
            batch_scan_full_max: i32,
            batch_scan_trunc_max: i32,
            batch_scan_notify_threshold: i32,
        );
        fn BatchscanEnable(
            self: Pin<&mut BleScannerIntf>,
            scan_mode: i32,
            scan_interval: u16,
            scan_window: u16,
            addr_type: i32,
            discard_rule: i32,
        );
        fn BatchscanDisable(self: Pin<&mut BleScannerIntf>);
        fn BatchscanReadReports(self: Pin<&mut BleScannerIntf>, scanner_id: u8, scan_mode: i32);

        fn StartSync(
            self: Pin<&mut BleScannerIntf>,
            sid: u8,
            address: RawAddress,
            skip: u16,
            timeout: u16,
        );
        fn StopSync(self: Pin<&mut BleScannerIntf>, handle: u16);
        fn CancelCreateSync(self: Pin<&mut BleScannerIntf>, sid: u8, address: RawAddress);
        fn TransferSync(
            self: Pin<&mut BleScannerIntf>,
            address: RawAddress,
            service_data: u16,
            sync_handle: u16,
        );
        fn TransferSetInfo(
            self: Pin<&mut BleScannerIntf>,
            address: RawAddress,
            service_data: u16,
            adv_handle: u8,
        );
        fn SyncTxParameters(
            self: Pin<&mut BleScannerIntf>,
            address: RawAddress,
            mode: u8,
            skip: u16,
            timeout: u16,
        );

        /// Registers a C++ |ScanningCallbacks| implementation with the BleScanner.
        /// The shim implementation will call all the callbacks defined via |cb_variant!|.
        fn RegisterCallbacks(self: Pin<&mut BleScannerIntf>);
    }

    extern "Rust" {
        // All callbacks below are generated by cb_variant! and will be called
        // by the ScanningCallbacks handler in shim.
        unsafe fn gdscan_on_scanner_registered(uuid: *const i8, scannerId: u8, status: u8);
        unsafe fn gdscan_on_set_scanner_parameter_complete(scannerId: u8, status: u8);
        unsafe fn gdscan_on_scan_result(
            event_type: u16,
            addr_type: u8,
            addr: *const RawAddress,
            primary_phy: u8,
            secondary_phy: u8,
            advertising_sid: u8,
            tx_power: i8,
            rssi: i8,
            periodic_adv_int: u16,
            adv_data_ptr: *const u8,
            adv_data_len: usize,
        );
        unsafe fn gdscan_on_track_adv_found_lost(adv_track_info: RustAdvertisingTrackInfo);
        unsafe fn gdscan_on_batch_scan_reports(
            client_if: i32,
            status: i32,
            report_format: i32,
            num_records: i32,
            data_ptr: *const u8,
            data_len: usize,
        );
        unsafe fn gdscan_on_batch_scan_threshold_crossed(client_if: i32);

        // Static cb_variant! callbacks using base::Callback
        unsafe fn gdscan_register_callback(uuid: Uuid, scanner_id: u8, btm_status: u8);
        unsafe fn gdscan_status_callback(scanner_id: u8, btm_status: u8);
        unsafe fn gdscan_enable_callback(action: u8, btm_status: u8);
        unsafe fn gdscan_filter_param_setup_callback(
            scanner_id: u8,
            available_space: u8,
            action: u8,
            btm_status: u8,
        );
        unsafe fn gdscan_filter_config_callback(
            filter_index: u8,
            filter_type: u8,
            available_space: u8,
            action: u8,
            btm_status: u8,
        );
        unsafe fn gdscan_msft_adv_monitor_add_callback(monitor_handle: u8, status: u8);
        unsafe fn gdscan_msft_adv_monitor_remove_callback(status: u8);
        unsafe fn gdscan_msft_adv_monitor_enable_callback(status: u8);
        unsafe fn gdscan_start_sync_callback(
            status: u8,
            sync_handle: u16,
            advertising_sid: u8,
            addr_type: u8,
            address: *const RawAddress,
            phy: u8,
            interval: u16,
        );
        unsafe fn gdscan_sync_report_callback(
            sync_handle: u16,
            tx_power: i8,
            rssi: i8,
            status: u8,
            data: *const u8,
            len: usize,
        );
        unsafe fn gdscan_sync_lost_callback(sync_handle: u16);
        unsafe fn gdscan_sync_transfer_callback(status: u8, address: *const RawAddress);
        unsafe fn gdscan_biginfo_report_callback(sync_handle: u16, encrypted: bool);
    }

    unsafe extern "C++" {
        include!("gatt/gatt_ble_advertiser_shim.h");

        type BleAdvertiserIntf;

        #[namespace = ""]
        type AdvertiseParameters = super::AdvertiseParameters;
        #[namespace = ""]
        type PeriodicAdvertisingParameters = super::PeriodicAdvertisingParameters;

        /// Given the gatt profile interface, creates a shim interface for
        /// |BleAdvertiserInterface|.
        unsafe fn GetBleAdvertiserIntf(gatt: *const u8) -> UniquePtr<BleAdvertiserIntf>;

        fn RegisterAdvertiser(self: Pin<&mut BleAdvertiserIntf>);
        fn Unregister(self: Pin<&mut BleAdvertiserIntf>, adv_id: u8);

        fn GetOwnAddress(self: Pin<&mut BleAdvertiserIntf>, adv_id: u8);
        fn SetParameters(
            self: Pin<&mut BleAdvertiserIntf>,
            adv_id: u8,
            params: AdvertiseParameters,
        );
        fn SetData(
            self: Pin<&mut BleAdvertiserIntf>,
            adv_id: u8,
            set_scan_rsp: bool,
            data: Vec<u8>,
        );
        fn Enable(
            self: Pin<&mut BleAdvertiserIntf>,
            adv_id: u8,
            enable: bool,
            duration: u16,
            max_ext_adv_events: u8,
        );
        fn StartAdvertising(
            self: Pin<&mut BleAdvertiserIntf>,
            adv_id: u8,
            params: AdvertiseParameters,
            advertise_data: Vec<u8>,
            scan_response_data: Vec<u8>,
            timeout_in_sec: i32,
        );
        fn StartAdvertisingSet(
            self: Pin<&mut BleAdvertiserIntf>,
            reg_id: i32,
            params: AdvertiseParameters,
            advertise_data: Vec<u8>,
            scan_response_data: Vec<u8>,
            periodic_params: PeriodicAdvertisingParameters,
            periodic_data: Vec<u8>,
            duration: u16,
            max_ext_adv_events: u8,
        );
        fn SetPeriodicAdvertisingParameters(
            self: Pin<&mut BleAdvertiserIntf>,
            adv_id: u8,
            params: PeriodicAdvertisingParameters,
        );
        fn SetPeriodicAdvertisingData(self: Pin<&mut BleAdvertiserIntf>, adv_id: u8, data: Vec<u8>);
        fn SetPeriodicAdvertisingEnable(
            self: Pin<&mut BleAdvertiserIntf>,
            adv_id: u8,
            enable: bool,
            include_adi: bool,
        );

        /// Registers a C++ |AdvertisingCallbacks| implementation with the BleAdvertiser.
        /// The shim implementation will call all the callbacks defined via |cb_variant!|.
        fn RegisterCallbacks(self: Pin<&mut BleAdvertiserIntf>);
    }

    extern "Rust" {
        // All callbacks below are generated by cb_variant!.
        unsafe fn gdadv_on_advertising_set_started(
            reg_id: i32,
            adv_id: u8,
            tx_power: i8,
            status: u8,
        );
        unsafe fn gdadv_on_advertising_enabled(adv_id: u8, enabled: bool, status: u8);
        unsafe fn gdadv_on_advertising_data_set(adv_id: u8, status: u8);
        unsafe fn gdadv_on_scan_response_data_set(adv_id: u8, status: u8);
        unsafe fn gdadv_on_advertising_parameters_updated(adv_id: u8, tx_power: i8, status: u8);
        unsafe fn gdadv_on_periodic_advertising_parameters_updated(adv_id: u8, status: u8);
        unsafe fn gdadv_on_periodic_advertising_data_set(adv_id: u8, status: u8);
        unsafe fn gdadv_on_periodic_advertising_enabled(adv_id: u8, enabled: bool, status: u8);
        unsafe fn gdadv_on_own_address_read(adv_id: u8, addr_type: u8, address: *const RawAddress);

        // In-band callbacks also generated with cb_variant!.
        unsafe fn gdadv_idstatus_callback(adv_id: u8, status: u8);
        unsafe fn gdadv_idtxpowerstatus_callback(adv_id: u8, tx_power: i8, status: u8);
        unsafe fn gdadv_parameters_callback(adv_id: u8, status: u8, tx_power: i8);
        unsafe fn gdadv_getaddress_callback(adv_id: u8, addr_type: u8, address: *const RawAddress);
    }
}

// Non-trivial types, conversion in .cc is necessary.
pub type AdvertisingTrackInfo = ffi::RustAdvertisingTrackInfo;
pub type ApcfCommand = ffi::RustApcfCommand;
pub type MsftAdvMonitor = ffi::RustMsftAdvMonitor;
pub type MsftAdvMonitorPattern = ffi::RustMsftAdvMonitorPattern;
pub type MsftAdvMonitorAddress = ffi::RustMsftAdvMonitorAddress;

#[gen_cxx_extern_trivial]
pub type GattFilterParam = bindings::btgatt_filt_param_setup_t;

#[gen_cxx_extern_trivial]
pub type AdvertiseParameters = bindings::AdvertiseParameters;
#[gen_cxx_extern_trivial]
pub type PeriodicAdvertisingParameters = bindings::PeriodicAdvertisingParameters;

#[derive(Clone, Copy, Debug, FromPrimitive, ToPrimitive, PartialEq, PartialOrd)]
#[repr(u32)]
pub enum GattStatus {
    Success = 0x00,
    InvalidHandle = 0x01,
    ReadNotPermit = 0x02,
    WriteNotPermit = 0x03,
    InvalidPdu = 0x04,
    InsufAuthentication = 0x05,
    ReqNotSupported = 0x06,
    InvalidOffset = 0x07,
    InsufAuthorization = 0x08,
    PrepareQFull = 0x09,
    NotFound = 0x0a,
    NotLong = 0x0b,
    InsufKeySize = 0x0c,
    InvalidAttrLen = 0x0d,
    ErrUnlikely = 0x0e,
    InsufEncryption = 0x0f,
    UnsupportGrpType = 0x10,
    InsufResource = 0x11,
    DatabaseOutOfSync = 0x12,
    ValueNotAllowed = 0x13,
    IllegalParameter = 0x87,
    TooShort = 0x7f,
    NoResources = 0x80,
    InternalError = 0x81,
    WrongState = 0x82,
    DbFull = 0x83,
    Busy = 0x84,
    Error = 0x85,
    CmdStarted = 0x86,
    Pending = 0x88,
    AuthFail = 0x89,
    More = 0x8a,
    InvalidCfg = 0x8b,
    ServiceStarted = 0x8c,
    EncryptedNoMitm = 0x8d,
    NotEncrypted = 0x8e,
    Congested = 0x8f,
    DupReg = 0x90,      /* 0x90 */
    AlreadyOpen = 0x91, /* 0x91 */
    Cancel = 0x92,      /* 0x92 */
    /* = 0xE0 ~ 0xFC reserved for future use */

    /* Client Characteristic Configuration Descriptor Improperly Configured */
    CccCfgErr = 0xFD,
    /* Procedure Already in progress */
    PrcInProgress = 0xFE,
    /* Attribute value out of range */
    OutOfRange = 0xFF,
}

impl From<u8> for GattStatus {
    fn from(item: u8) -> Self {
        match GattStatus::from_u8(item) {
            Some(s) => s,
            None => GattStatus::InternalError,
        }
    }
}

impl From<i32> for GattStatus {
    fn from(item: i32) -> Self {
        if item > 0xff {
            GattStatus::OutOfRange
        } else if let Some(s) = GattStatus::from_i32(item) {
            s
        } else {
            GattStatus::InternalError
        }
    }
}

impl Display for GattStatus {
    fn fmt(&self, f: &mut Formatter) -> Result {
        write!(f, "{}", self.to_u32().unwrap_or(0))
    }
}

#[derive(Debug, FromPrimitive, ToPrimitive, Clone, Copy)]
#[repr(u32)]
/// LE Discoverable modes.
pub enum LeDiscMode {
    Invalid = 0,
    NonDiscoverable,
    LimitedDiscoverable,
    GeneralDiscoverable,
}

impl From<u32> for LeDiscMode {
    fn from(num: u32) -> Self {
        LeDiscMode::from_u32(num).unwrap_or(LeDiscMode::Invalid)
    }
}

impl Into<u32> for LeDiscMode {
    fn into(self) -> u32 {
        self.to_u32().unwrap_or(0)
    }
}

impl Default for LeDiscMode {
    fn default() -> Self {
        LeDiscMode::Invalid
    }
}

#[derive(Debug, FromPrimitive, ToPrimitive, Clone, Copy)]
#[repr(u8)]
/// Represents LE PHY.
pub enum LePhy {
    Invalid = 0,
    Phy1m = 1,
    Phy2m = 2,
    PhyCoded = 3,
}

impl From<LePhy> for i32 {
    fn from(item: LePhy) -> Self {
        item.to_i32().unwrap_or(0)
    }
}

impl From<LePhy> for u8 {
    fn from(item: LePhy) -> Self {
        item.to_u8().unwrap_or(0)
    }
}

impl Default for LePhy {
    fn default() -> Self {
        LePhy::Invalid
    }
}

#[derive(Clone, Copy, Debug, FromPrimitive, ToPrimitive, PartialEq, PartialOrd)]
#[repr(u32)]
pub enum AdvertisingStatus {
    Success = 0x0,
    DataTooLarge = 0x1,
    TooManyAdvertisers = 0x2,
    AlreadyStarted = 0x3,
    InternalError = 0x4,
    FeatureUnsupported = 0x5,
}

impl From<u8> for AdvertisingStatus {
    fn from(item: u8) -> Self {
        match AdvertisingStatus::from_u8(item) {
            Some(s) => s,
            None => AdvertisingStatus::InternalError,
        }
    }
}

#[derive(Debug)]
pub enum GattClientCallbacks {
    RegisterClient(GattStatus, i32, Uuid),
    Connect(i32, GattStatus, i32, RawAddress),
    Disconnect(i32, GattStatus, i32, RawAddress),
    SearchComplete(i32, GattStatus),
    RegisterForNotification(i32, i32, GattStatus, u16),
    Notify(i32, BtGattNotifyParams),
    ReadCharacteristic(i32, GattStatus, BtGattReadParams),
    WriteCharacteristic(i32, GattStatus, u16, u16, *const u8),
    ReadDescriptor(i32, GattStatus, BtGattReadParams),
    WriteDescriptor(i32, GattStatus, u16, u16, *const u8),
    ExecuteWrite(i32, GattStatus),
    ReadRemoteRssi(i32, RawAddress, i32, GattStatus),
    ConfigureMtu(i32, GattStatus, i32),
    Congestion(i32, bool),
    GetGattDb(i32, Vec<BtGattDbElement>, i32),
    PhyUpdated(i32, u8, u8, GattStatus),
    ConnUpdated(i32, u16, u16, u16, GattStatus),
    ServiceChanged(i32),
    ReadPhy(i32, RawAddress, u8, u8, GattStatus),
}

#[derive(Debug)]
pub enum GattServerCallbacks {
    RegisterServer(GattStatus, i32, Uuid),
    Connection(i32, i32, i32, RawAddress),
    ServiceAdded(GattStatus, i32, Vec<BtGattDbElement>, usize),
    ServiceStopped(GattStatus, i32, i32),
    ServiceDeleted(GattStatus, i32, i32),
    RequestReadCharacteristic(i32, i32, RawAddress, i32, i32, bool),
    RequestReadDescriptor(i32, i32, RawAddress, i32, i32, bool),
    RequestWriteCharacteristic(i32, i32, RawAddress, i32, i32, bool, bool, Vec<u8>, usize),
    RequestWriteDescriptor(i32, i32, RawAddress, i32, i32, bool, bool, Vec<u8>, usize),
    RequestExecWrite(i32, i32, RawAddress, i32),
    ResponseConfirmation(i32, i32),
    IndicationSent(i32, GattStatus),
    Congestion(i32, bool),
    MtuChanged(i32, i32),
    PhyUpdated(i32, u8, u8, GattStatus),
    ConnUpdated(i32, u16, u16, u16, GattStatus),
    ReadPhy(i32, RawAddress, u8, u8, GattStatus),
    SubrateChanged(i32, u16, u16, u16, u16, GattStatus),
}

pub struct GattClientCallbacksDispatcher {
    pub dispatch: Box<dyn Fn(GattClientCallbacks) + Send>,
}

pub struct GattServerCallbacksDispatcher {
    pub dispatch: Box<dyn Fn(GattServerCallbacks) + Send>,
}

type GattClientCb = Arc<Mutex<GattClientCallbacksDispatcher>>;
type GattServerCb = Arc<Mutex<GattServerCallbacksDispatcher>>;

cb_variant!(
    GattClientCb,
    gc_register_client_cb -> GattClientCallbacks::RegisterClient,
    i32 -> GattStatus, i32, *const Uuid, {
        let _2 = unsafe { *_2.clone() };
    }
);

cb_variant!(
    GattClientCb,
    gc_open_cb -> GattClientCallbacks::Connect,
    i32, i32 -> GattStatus, i32, *const RawAddress, {
        let _3 = unsafe { *_3 };
    }
);

cb_variant!(
    GattClientCb,
    gc_close_cb -> GattClientCallbacks::Disconnect,
    i32, i32 -> GattStatus, i32, *const RawAddress, {
        let _3 = unsafe { *_3 };
    }
);

cb_variant!(
    GattClientCb,
    gc_search_complete_cb -> GattClientCallbacks::SearchComplete,
    i32, i32 -> GattStatus, {}
);

cb_variant!(
    GattClientCb,
    gc_register_for_notification_cb -> GattClientCallbacks::RegisterForNotification,
    i32, i32, i32 -> GattStatus, u16, {}
);

cb_variant!(
    GattClientCb,
    gc_notify_cb -> GattClientCallbacks::Notify,
    i32, *const BtGattNotifyParams, {
        let _1 = unsafe { *_1.clone() };
    }
);

cb_variant!(
    GattClientCb,
    gc_read_characteristic_cb -> GattClientCallbacks::ReadCharacteristic,
    i32, i32 -> GattStatus, *const BtGattReadParams, {
        let _2 = unsafe { *_2.clone() };
    }
);

cb_variant!(
    GattClientCb,
    gc_write_characteristic_cb -> GattClientCallbacks::WriteCharacteristic,
    i32, i32 -> GattStatus, u16, u16, *const u8, {}
);

cb_variant!(
    GattClientCb,
    gc_read_descriptor_cb -> GattClientCallbacks::ReadDescriptor,
    i32, i32 -> GattStatus, *const BtGattReadParams, {
        let _2 = unsafe { *_2.clone() };
    }
);

cb_variant!(
    GattClientCb,
    gc_write_descriptor_cb -> GattClientCallbacks::WriteDescriptor,
    i32, i32 -> GattStatus, u16, u16, *const u8, {}
);

cb_variant!(
    GattClientCb,
    gc_execute_write_cb -> GattClientCallbacks::ExecuteWrite,
    i32, i32 -> GattStatus, {}
);

cb_variant!(
    GattClientCb,
    gc_read_remote_rssi_cb -> GattClientCallbacks::ReadRemoteRssi,
    i32, *const RawAddress, i32, i32 -> GattStatus, {
        let _1 = unsafe { *_1 };
    }
);

cb_variant!(
    GattClientCb,
    gc_configure_mtu_cb -> GattClientCallbacks::ConfigureMtu,
    i32, i32 -> GattStatus, i32, {}
);

cb_variant!(
    GattClientCb,
    gc_congestion_cb -> GattClientCallbacks::Congestion,
    i32, bool, {}
);

cb_variant!(
    GattClientCb,
    gc_get_gatt_db_cb -> GattClientCallbacks::GetGattDb,
    i32, *const BtGattDbElement, i32, {
        let _1 = ptr_to_vec(_1, _2 as usize);
    }
);

cb_variant!(
    GattClientCb,
    gc_phy_updated_cb -> GattClientCallbacks::PhyUpdated,
    i32, u8, u8, u8 -> GattStatus, {}
);

cb_variant!(
    GattClientCb,
    gc_conn_updated_cb -> GattClientCallbacks::ConnUpdated,
    i32, u16, u16, u16, u8 -> GattStatus, {}
);

cb_variant!(
    GattClientCb,
    gc_service_changed_cb -> GattClientCallbacks::ServiceChanged,
    i32, {}
);

cb_variant!(
    GattClientCb,
    read_phy_callback -> GattClientCallbacks::ReadPhy,
    i32, RawAddress, u8, u8, u8 -> GattStatus);

cb_variant!(
    GattServerCb,
    gs_register_server_cb -> GattServerCallbacks::RegisterServer,
    i32 -> GattStatus, i32, *const Uuid, {
        let _2 = unsafe { *_2.clone() };
    }
);

cb_variant!(
    GattServerCb,
    gs_connection_cb -> GattServerCallbacks::Connection,
    i32, i32, i32, *const RawAddress, {
        let _3 = unsafe { *_3 };
    }
);

cb_variant!(
    GattServerCb,
    gs_service_added_cb -> GattServerCallbacks::ServiceAdded,
    i32 -> GattStatus, i32, *const BtGattDbElement, usize, {
        let _2 = ptr_to_vec(_2, _3);
    }
);

cb_variant!(
    GattServerCb,
    gs_service_stopped_cb -> GattServerCallbacks::ServiceStopped,
    i32 -> GattStatus, i32, i32, {}
);

cb_variant!(
    GattServerCb,
    gs_service_deleted_cb -> GattServerCallbacks::ServiceDeleted,
    i32 -> GattStatus, i32, i32, {}
);

cb_variant!(
    GattServerCb,
    gs_request_read_characteristic_cb -> GattServerCallbacks::RequestReadCharacteristic,
    i32, i32, *const RawAddress, i32, i32, bool, {
        let _2 = unsafe { *_2 };
    }
);

cb_variant!(
    GattServerCb,
    gs_request_read_descriptor_cb -> GattServerCallbacks::RequestReadDescriptor,
    i32, i32, *const RawAddress, i32, i32, bool, {
        let _2 = unsafe { *_2 };
    }
);

cb_variant!(
    GattServerCb,
    gs_request_write_characteristic_cb -> GattServerCallbacks::RequestWriteCharacteristic,
    i32, i32, *const RawAddress, i32, i32, bool, bool, *const u8, usize, {
        let _2 = unsafe { *_2 };
        let _7 = ptr_to_vec(_7, _8);
    }
);

cb_variant!(
    GattServerCb,
    gs_request_write_descriptor_cb -> GattServerCallbacks::RequestWriteDescriptor,
    i32, i32, *const RawAddress, i32, i32, bool, bool, *const u8, usize, {
        let _2 = unsafe { *_2 };
        let _7 = ptr_to_vec(_7, _8);
    }
);

cb_variant!(
    GattServerCb,
    gs_request_exec_write_cb -> GattServerCallbacks::RequestExecWrite,
    i32, i32, *const RawAddress, i32, {
        let _2 = unsafe { *_2 };
    }
);

cb_variant!(
    GattServerCb,
    gs_response_confirmation_cb -> GattServerCallbacks::ResponseConfirmation,
    i32, i32, {}
);

cb_variant!(
    GattServerCb,
    gs_indication_sent_cb -> GattServerCallbacks::IndicationSent,
    i32, i32 -> GattStatus, {}
);

cb_variant!(
    GattServerCb,
    gs_congestion_cb -> GattServerCallbacks::Congestion,
    i32, bool, {}
);

cb_variant!(
    GattServerCb,
    gs_mtu_changed_cb -> GattServerCallbacks::MtuChanged,
    i32, i32, {}
);

cb_variant!(
    GattServerCb,
    gs_phy_updated_cb -> GattServerCallbacks::PhyUpdated,
    i32, u8, u8, u8 -> GattStatus, {}
);

cb_variant!(
    GattServerCb,
    gs_conn_updated_cb -> GattServerCallbacks::ConnUpdated,
    i32, u16, u16, u16, u8 -> GattStatus, {}
);

cb_variant!(
    GattServerCb,
    server_read_phy_callback -> GattServerCallbacks::ReadPhy,
    i32, RawAddress, u8, u8, u8 -> GattStatus);

cb_variant!(
    GattServerCb,
    gs_subrate_chg_cb -> GattServerCallbacks::SubrateChanged,
    i32, u16, u16, u16, u16, u8 -> GattStatus, {}
);

/// Scanning callbacks used by the GD implementation of BleScannerInterface.
/// These callbacks should be registered using |RegisterCallbacks| on
/// `BleScannerInterface`.
#[derive(Debug)]
pub enum GattScannerCallbacks {
    OnScannerRegistered(Uuid, u8, GattStatus),
    OnSetScannerParameterComplete(u8, u8),
    OnScanResult(u16, u8, RawAddress, u8, u8, u8, i8, i8, u16, Vec<u8>),
    OnTrackAdvFoundLost(AdvertisingTrackInfo),
    OnBatchScanReports(i32, i32, i32, i32, Vec<u8>),
    OnBatchScanThresholdCrossed(i32),
}

pub struct GattScannerCallbacksDispatcher {
    pub dispatch: Box<dyn Fn(GattScannerCallbacks) + Send>,
}

type GDScannerCb = Arc<Mutex<GattScannerCallbacksDispatcher>>;

cb_variant!(
    GDScannerCb,
    gdscan_on_scanner_registered -> GattScannerCallbacks::OnScannerRegistered,
    *const i8, u8, u8 -> GattStatus, {
        let _0 = unsafe { *(_0 as *const Uuid).clone() };
    }
);

cb_variant!(
    GDScannerCb,
    gdscan_on_set_scanner_parameter_complete -> GattScannerCallbacks::OnSetScannerParameterComplete,
    u8, u8
);

cb_variant!(
    GDScannerCb,
    gdscan_on_scan_result -> GattScannerCallbacks::OnScanResult,
    u16, u8, *const RawAddress, u8, u8, u8, i8, i8, u16, *const u8, usize -> _, {
        let _2 = unsafe { *_2 };

        // Convert the vec! at the end. Since this cb is being called via cxx
        // ffi, we do the vector separation at the cxx layer. The usize is consumed during
        // conversion.
        let _9 : Vec<u8> = ptr_to_vec(_9, _10);
    }
);

cb_variant!(
    GDScannerCb,
    gdscan_on_track_adv_found_lost -> GattScannerCallbacks::OnTrackAdvFoundLost,
    AdvertisingTrackInfo);

cb_variant!(
    GDScannerCb,
    gdscan_on_batch_scan_reports -> GattScannerCallbacks::OnBatchScanReports,
    i32, i32, i32, i32, *const u8, usize -> _, {
        // Write the vector to the output and consume the usize in the input.
        let _4 : Vec<u8> = ptr_to_vec(_4, _5);
    }
);

cb_variant!(GDScannerCb, gdscan_on_batch_scan_threshold_crossed -> GattScannerCallbacks::OnBatchScanThresholdCrossed, i32);

/// In-band callbacks from the various |BleScannerInterface| methods. Rather than
/// store closures for each registered callback, we instead bind and return an
/// identifier for the callback instead (such as scanner id or Uuid).
#[derive(Debug)]
pub enum GattScannerInbandCallbacks {
    /// Params: App Uuid, Scanner Id, BTM Status
    RegisterCallback(Uuid, u8, u8),

    /// Params: Scanner Id, BTM Status
    StatusCallback(u8, u8),

    /// Params: Action (enable/disable), BTM Status
    EnableCallback(u8, u8),

    /// Params: Scanner Id, Available Space, Action Type, BTM Status
    FilterParamSetupCallback(u8, u8, u8, u8),

    /// Params: Filter Index, Filter Type, Available Space, Action, BTM Status
    FilterConfigCallback(u8, u8, u8, u8, u8),

    /// Params: Monitor Handle, Status
    MsftAdvMonitorAddCallback(u8, u8),

    /// Params: Status
    MsftAdvMonitorRemoveCallback(u8),

    /// Params: Status
    MsftAdvMonitorEnableCallback(u8),

    /// Params: Status, Sync Handle, Advertising Sid, Address Type, Address, Phy, Interval
    StartSyncCallback(u8, u16, u8, u8, RawAddress, u8, u16),

    /// Params: Sync Handle, Tx Power, RSSI, Status, Data
    SyncReportCallback(u16, i8, i8, u8, Vec<u8>),

    /// Params: Sync Handle
    SyncLostCallback(u16),

    /// Params: Status, Address
    SyncTransferCallback(u8, RawAddress),

    /// Params: Sync Handle, Encrypted
    BigInfoReportCallback(u16, bool),
}

pub struct GattScannerInbandCallbacksDispatcher {
    pub dispatch: Box<dyn Fn(GattScannerInbandCallbacks) + Send>,
}

type GDScannerInbandCb = Arc<Mutex<GattScannerInbandCallbacksDispatcher>>;

cb_variant!(GDScannerInbandCb, gdscan_register_callback -> GattScannerInbandCallbacks::RegisterCallback,
    Uuid, u8, u8);

cb_variant!(GDScannerInbandCb, gdscan_status_callback -> GattScannerInbandCallbacks::StatusCallback, u8, u8);
cb_variant!(GDScannerInbandCb, gdscan_enable_callback -> GattScannerInbandCallbacks::EnableCallback, u8, u8);
cb_variant!(GDScannerInbandCb,
    gdscan_filter_param_setup_callback -> GattScannerInbandCallbacks::FilterParamSetupCallback,
    u8, u8, u8, u8);
cb_variant!(GDScannerInbandCb,
    gdscan_filter_config_callback -> GattScannerInbandCallbacks::FilterConfigCallback,
    u8, u8, u8, u8, u8);
cb_variant!(GDScannerInbandCb,
    gdscan_msft_adv_monitor_add_callback -> GattScannerInbandCallbacks::MsftAdvMonitorAddCallback,
    u8, u8);
cb_variant!(GDScannerInbandCb,
    gdscan_msft_adv_monitor_remove_callback -> GattScannerInbandCallbacks::MsftAdvMonitorRemoveCallback,
    u8);
cb_variant!(GDScannerInbandCb,
    gdscan_msft_adv_monitor_enable_callback -> GattScannerInbandCallbacks::MsftAdvMonitorEnableCallback,
    u8);
cb_variant!(GDScannerInbandCb,
gdscan_start_sync_callback -> GattScannerInbandCallbacks::StartSyncCallback,
u8, u16, u8, u8, *const RawAddress, u8, u16, {
    let _4 = unsafe { *_4 };
});
cb_variant!(GDScannerInbandCb,
gdscan_sync_report_callback -> GattScannerInbandCallbacks::SyncReportCallback,
u16, i8, i8, u8, *const u8, usize -> _, {
    let _4 = ptr_to_vec(_4, _5 as usize);
});
cb_variant!(GDScannerInbandCb, gdscan_sync_lost_callback -> GattScannerInbandCallbacks::SyncLostCallback, u16);
cb_variant!(GDScannerInbandCb, gdscan_sync_transfer_callback -> GattScannerInbandCallbacks::SyncTransferCallback,
u8, *const RawAddress, {
    let _1 = unsafe { *_1 };
});
cb_variant!(GDScannerInbandCb, gdscan_biginfo_report_callback -> GattScannerInbandCallbacks::BigInfoReportCallback, u16, bool);

/// Advertising callbacks used by the GD implementation of BleAdvertiserInterface.
/// These callbacks should be registered using |RegisterCallbacks| on
/// `BleAdvertiser`.
#[derive(Debug)]
pub enum GattAdvCallbacks {
    /// Params: Reg Id, Advertiser Id, Tx Power, Status
    OnAdvertisingSetStarted(i32, u8, i8, AdvertisingStatus),

    /// Params: Advertiser Id, Enabled, Status
    OnAdvertisingEnabled(u8, bool, AdvertisingStatus),

    /// Params: Advertiser Id, Status
    OnAdvertisingDataSet(u8, AdvertisingStatus),

    /// Params: Advertiser Id, Status
    OnScanResponseDataSet(u8, AdvertisingStatus),

    /// Params: Advertiser Id, Tx Power, Status
    OnAdvertisingParametersUpdated(u8, i8, AdvertisingStatus),

    /// Params: Advertiser Id, Status
    OnPeriodicAdvertisingParametersUpdated(u8, AdvertisingStatus),

    /// Params: Advertiser Id, Status
    OnPeriodicAdvertisingDataSet(u8, AdvertisingStatus),

    /// Params: Advertiser Id, Enabled, Status
    OnPeriodicAdvertisingEnabled(u8, bool, AdvertisingStatus),

    /// Params: Advertiser Id, Address Type, Address
    OnOwnAddressRead(u8, u8, RawAddress),
}

pub struct GattAdvCallbacksDispatcher {
    pub dispatch: Box<dyn Fn(GattAdvCallbacks) + Send>,
}

type GDAdvCb = Arc<Mutex<GattAdvCallbacksDispatcher>>;

cb_variant!(GDAdvCb,
    gdadv_on_advertising_set_started -> GattAdvCallbacks::OnAdvertisingSetStarted,
    i32, u8, i8, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
    gdadv_on_advertising_enabled -> GattAdvCallbacks::OnAdvertisingEnabled,
    u8, bool, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
    gdadv_on_advertising_data_set -> GattAdvCallbacks::OnAdvertisingDataSet,
    u8, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
    gdadv_on_scan_response_data_set -> GattAdvCallbacks::OnScanResponseDataSet,
    u8, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
    gdadv_on_advertising_parameters_updated -> GattAdvCallbacks::OnAdvertisingParametersUpdated,
    u8, i8, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
    gdadv_on_periodic_advertising_parameters_updated -> GattAdvCallbacks::OnPeriodicAdvertisingParametersUpdated,
    u8, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
    gdadv_on_periodic_advertising_data_set -> GattAdvCallbacks::OnPeriodicAdvertisingDataSet,
    u8, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
    gdadv_on_periodic_advertising_enabled -> GattAdvCallbacks::OnPeriodicAdvertisingEnabled,
    u8, bool, u8 -> AdvertisingStatus);
cb_variant!(GDAdvCb,
gdadv_on_own_address_read -> GattAdvCallbacks::OnOwnAddressRead, u8, u8,
*const RawAddress, {
    let _2 = unsafe { *_2 };
});

#[derive(Debug)]
pub enum GattAdvInbandCallbacks {
    /// Params: Advertiser Id, Status
    /// StatusCallback isn't implemented because we always want advertiser id.
    IdStatusCallback(u8, u8),

    /// Params: Advertiser Id, Tx Power, Status
    IdTxPowerStatusCallback(u8, i8, u8),

    /// Params: Advertiser Id, Status, Tx Power
    ParametersCallback(u8, u8, i8),

    /// Params: Advertiser Id, Addr Type, Address
    GetAddressCallback(u8, u8, RawAddress),
}

pub struct GattAdvInbandCallbacksDispatcher {
    pub dispatch: Box<dyn Fn(GattAdvInbandCallbacks) + Send>,
}

type GDAdvInbandCb = Arc<Mutex<GattAdvInbandCallbacksDispatcher>>;

cb_variant!(GDAdvInbandCb, gdadv_idstatus_callback -> GattAdvInbandCallbacks::IdStatusCallback, u8, u8);
cb_variant!(GDAdvInbandCb, gdadv_idtxpowerstatus_callback -> GattAdvInbandCallbacks::IdTxPowerStatusCallback, u8, i8, u8);
cb_variant!(GDAdvInbandCb, gdadv_parameters_callback -> GattAdvInbandCallbacks::ParametersCallback, u8, u8, i8);
cb_variant!(GDAdvInbandCb, gdadv_getaddress_callback -> GattAdvInbandCallbacks::GetAddressCallback,
u8, u8, *const RawAddress, {
    let _2 = unsafe { *_2 };
});

struct RawGattWrapper {
    raw: *const btgatt_interface_t,
}

struct RawGattClientWrapper {
    raw: *const btgatt_client_interface_t,
}

struct RawGattServerWrapper {
    raw: *const btgatt_server_interface_t,
}

struct RawBleScannerWrapper {
    _raw: *const BleScannerInterface,
}

struct RawBleAdvertiserWrapper {
    _raw: *const BleAdvertiserInterface,
}

// Pointers unsafe due to ownership but this is a static pointer so Send is ok
unsafe impl Send for RawGattWrapper {}
unsafe impl Send for RawGattClientWrapper {}
unsafe impl Send for RawGattServerWrapper {}
unsafe impl Send for RawBleScannerWrapper {}
unsafe impl Send for RawBleAdvertiserWrapper {}
unsafe impl Send for btgatt_callbacks_t {}
unsafe impl Send for GattClient {}
unsafe impl Send for GattClientCallbacks {}
unsafe impl Send for GattServer {}
unsafe impl Send for BleScanner {}
unsafe impl Send for BleAdvertiser {}

pub struct GattClient {
    internal: RawGattClientWrapper,
    internal_cxx: cxx::UniquePtr<ffi::GattClientIntf>,
}

impl GattClient {
    pub fn register_client(&self, uuid: &Uuid, eatt_support: bool) -> BtStatus {
        BtStatus::from(ccall!(self, register_client, uuid, eatt_support))
    }

    pub fn unregister_client(&self, client_if: i32) -> BtStatus {
        BtStatus::from(ccall!(self, unregister_client, client_if))
    }

    pub fn connect(
        &self,
        client_if: i32,
        addr: &RawAddress,
        addr_type: u8,
        is_direct: bool,
        transport: i32,
        opportunistic: bool,
        initiating_phys: i32,
        preferred_mtu: i32,
    ) -> BtStatus {
        BtStatus::from(ccall!(
            self,
            connect,
            client_if,
            addr,
            addr_type,
            is_direct,
            transport,
            opportunistic,
            initiating_phys,
            preferred_mtu
        ))
    }

    pub fn disconnect(&self, client_if: i32, addr: &RawAddress, conn_id: i32) -> BtStatus {
        BtStatus::from(ccall!(self, disconnect, client_if, addr, conn_id))
    }

    pub fn refresh(&self, client_if: i32, addr: &RawAddress) -> BtStatus {
        BtStatus::from(ccall!(self, refresh, client_if, addr))
    }

    pub fn search_service(&self, conn_id: i32, filter_uuid: Option<Uuid>) -> BtStatus {
        let filter_uuid_ptr = LTCheckedPtr::from(&filter_uuid);
        BtStatus::from(ccall!(self, search_service, conn_id, filter_uuid_ptr.into()))
    }

    pub fn btif_gattc_discover_service_by_uuid(&self, conn_id: i32, uuid: &Uuid) {
        ccall!(self, btif_gattc_discover_service_by_uuid, conn_id, uuid)
    }

    pub fn read_characteristic(&self, conn_id: i32, handle: u16, auth_req: i32) -> BtStatus {
        BtStatus::from(ccall!(self, read_characteristic, conn_id, handle, auth_req))
    }

    pub fn read_using_characteristic_uuid(
        &self,
        conn_id: i32,
        uuid: &Uuid,
        s_handle: u16,
        e_handle: u16,
        auth_req: i32,
    ) -> BtStatus {
        BtStatus::from(ccall!(
            self,
            read_using_characteristic_uuid,
            conn_id,
            uuid,
            s_handle,
            e_handle,
            auth_req
        ))
    }

    pub fn write_characteristic(
        &self,
        conn_id: i32,
        handle: u16,
        write_type: i32,
        auth_req: i32,
        value: &[u8],
    ) -> BtStatus {
        let value_ptr = LTCheckedPtr::from(value);
        BtStatus::from(ccall!(
            self,
            write_characteristic,
            conn_id,
            handle,
            write_type,
            auth_req,
            value_ptr.into(),
            value.len()
        ))
    }

    pub fn read_descriptor(&self, conn_id: i32, handle: u16, auth_req: i32) -> BtStatus {
        BtStatus::from(ccall!(self, read_descriptor, conn_id, handle, auth_req))
    }

    pub fn write_descriptor(
        &self,
        conn_id: i32,
        handle: u16,
        auth_req: i32,
        value: &[u8],
    ) -> BtStatus {
        let value_ptr = LTCheckedPtr::from(value);
        BtStatus::from(ccall!(
            self,
            write_descriptor,
            conn_id,
            handle,
            auth_req,
            value_ptr.into(),
            value.len()
        ))
    }

    pub fn execute_write(&self, conn_id: i32, execute: i32) -> BtStatus {
        BtStatus::from(ccall!(self, execute_write, conn_id, execute))
    }

    pub fn register_for_notification(
        &self,
        client_if: i32,
        addr: &RawAddress,
        handle: u16,
    ) -> BtStatus {
        BtStatus::from(ccall!(self, register_for_notification, client_if, addr, handle))
    }

    pub fn deregister_for_notification(
        &self,
        client_if: i32,
        addr: &RawAddress,
        handle: u16,
    ) -> BtStatus {
        BtStatus::from(ccall!(self, deregister_for_notification, client_if, addr, handle))
    }

    pub fn read_remote_rssi(&self, client_if: i32, addr: &RawAddress) -> BtStatus {
        BtStatus::from(ccall!(self, read_remote_rssi, client_if, addr))
    }

    pub fn get_device_type(&self, addr: &RawAddress) -> i32 {
        ccall!(self, get_device_type, addr)
    }

    pub fn configure_mtu(&self, conn_id: i32, mtu: i32) -> BtStatus {
        BtStatus::from(ccall!(self, configure_mtu, conn_id, mtu))
    }

    pub fn conn_parameter_update(
        &self,
        addr: &RawAddress,
        min_interval: i32,
        max_interval: i32,
        latency: i32,
        timeout: i32,
        min_ce_len: u16,
        max_ce_len: u16,
    ) -> BtStatus {
        BtStatus::from(ccall!(
            self,
            conn_parameter_update,
            addr,
            min_interval,
            max_interval,
            latency,
            timeout,
            min_ce_len,
            max_ce_len
        ))
    }

    pub fn set_preferred_phy(
        &self,
        addr: &RawAddress,
        tx_phy: u8,
        rx_phy: u8,
        phy_options: u16,
    ) -> BtStatus {
        BtStatus::from(ccall!(self, set_preferred_phy, addr, tx_phy, rx_phy, phy_options))
    }

    pub fn read_phy(&mut self, client_if: i32, addr: &RawAddress) -> BtStatus {
        BtStatus::from_i32(mutcxxcall!(self, read_phy, client_if, *addr)).unwrap()
    }

    pub fn test_command(&self, command: i32, params: &BtGattTestParams) -> BtStatus {
        BtStatus::from(ccall!(self, test_command, command, params))
    }

    pub fn get_gatt_db(&self, conn_id: i32) -> BtStatus {
        BtStatus::from(ccall!(self, get_gatt_db, conn_id))
    }
}

pub struct GattServer {
    internal: RawGattServerWrapper,
    internal_cxx: cxx::UniquePtr<ffi::GattServerIntf>,
}

impl GattServer {
    pub fn register_server(&self, uuid: &Uuid, eatt_support: bool) -> BtStatus {
        BtStatus::from(ccall!(self, register_server, uuid, eatt_support))
    }

    pub fn unregister_server(&self, server_if: i32) -> BtStatus {
        BtStatus::from(ccall!(self, unregister_server, server_if))
    }

    pub fn connect(
        &self,
        server_if: i32,
        addr: &RawAddress,
        addr_type: u8,
        is_direct: bool,
        transport: i32,
    ) -> BtStatus {
        BtStatus::from(ccall!(self, connect, server_if, addr, addr_type, is_direct, transport))
    }

    pub fn disconnect(&self, server_if: i32, addr: &RawAddress, conn_id: i32) -> BtStatus {
        BtStatus::from(ccall!(self, disconnect, server_if, addr, conn_id))
    }

    pub fn add_service(&self, server_if: i32, service: &[BtGattDbElement]) -> BtStatus {
        let service_ptr = LTCheckedPtr::from(service);
        BtStatus::from(ccall!(self, add_service, server_if, service_ptr.into(), service.len()))
    }

    pub fn stop_service(&self, server_if: i32, service_handle: i32) -> BtStatus {
        BtStatus::from(ccall!(self, stop_service, server_if, service_handle))
    }

    pub fn delete_service(&self, server_if: i32, service_handle: i32) -> BtStatus {
        BtStatus::from(ccall!(self, delete_service, server_if, service_handle))
    }

    pub fn send_indication(
        &self,
        server_if: i32,
        attribute_handle: i32,
        conn_id: i32,
        confirm: i32,
        value: &[u8],
    ) -> BtStatus {
        let value_ptr = LTCheckedPtr::from(value);
        BtStatus::from(ccall!(
            self,
            send_indication,
            server_if,
            attribute_handle,
            conn_id,
            confirm,
            value_ptr.into(),
            value.len()
        ))
    }

    pub fn send_response(
        &self,
        conn_id: i32,
        trans_id: i32,
        status: i32,
        response: &BtGattResponse,
    ) -> BtStatus {
        BtStatus::from(ccall!(self, send_response, conn_id, trans_id, status, response))
    }

    pub fn set_preferred_phy(
        &self,
        addr: &RawAddress,
        tx_phy: u8,
        rx_phy: u8,
        phy_options: u16,
    ) -> BtStatus {
        BtStatus::from(ccall!(self, set_preferred_phy, addr, tx_phy, rx_phy, phy_options))
    }

    pub fn read_phy(&mut self, server_if: i32, addr: &RawAddress) -> BtStatus {
        BtStatus::from_i32(mutcxxcall!(self, server_read_phy, server_if, *addr)).unwrap()
    }
}

pub struct BleScanner {
    _internal: RawBleScannerWrapper,
    internal_cxx: cxx::UniquePtr<ffi::BleScannerIntf>,
}

impl BleScanner {
    pub(crate) fn new(
        raw_gatt: *const btgatt_interface_t,
        internal_cxx: cxx::UniquePtr<ffi::BleScannerIntf>,
    ) -> Self {
        BleScanner {
            _internal: RawBleScannerWrapper {
                _raw: unsafe { (*raw_gatt).scanner as *const BleScannerInterface },
            },
            internal_cxx,
        }
    }

    pub fn register_scanner(&mut self, app_uuid: Uuid) {
        mutcxxcall!(self, RegisterScanner, app_uuid);
    }

    pub fn unregister(&mut self, scanner_id: u8) {
        mutcxxcall!(self, Unregister, scanner_id);
    }

    // TODO(b/233124021): topshim should expose scan(enable) instead of start_scan and stop_scan.
    pub fn start_scan(&mut self) {
        mutcxxcall!(self, Scan, true);
    }

    pub fn stop_scan(&mut self) {
        mutcxxcall!(self, Scan, false);
    }

    pub fn scan_filter_setup(
        &mut self,
        scanner_id: u8,
        action: u8,
        filter_index: u8,
        param: GattFilterParam,
    ) {
        mutcxxcall!(self, ScanFilterParamSetup, scanner_id, action, filter_index, param);
    }

    pub fn scan_filter_add(&mut self, filter_index: u8, filters: Vec<ApcfCommand>) {
        mutcxxcall!(self, ScanFilterAdd, filter_index, filters);
    }

    pub fn scan_filter_clear(&mut self, filter_index: u8) {
        mutcxxcall!(self, ScanFilterClear, filter_index);
    }

    pub fn scan_filter_enable(&mut self) {
        mutcxxcall!(self, ScanFilterEnable, true);
    }

    pub fn scan_filter_disable(&mut self) {
        mutcxxcall!(self, ScanFilterEnable, false);
    }

    pub fn is_msft_supported(&mut self) -> bool {
        mutcxxcall!(self, IsMsftSupported)
    }

    pub fn msft_adv_monitor_add(&mut self, monitor: &MsftAdvMonitor) {
        mutcxxcall!(self, MsftAdvMonitorAdd, monitor);
    }

    pub fn msft_adv_monitor_remove(&mut self, monitor_handle: u8) {
        mutcxxcall!(self, MsftAdvMonitorRemove, monitor_handle);
    }

    pub fn msft_adv_monitor_enable(&mut self, enable: bool) {
        mutcxxcall!(self, MsftAdvMonitorEnable, enable);
    }

    pub fn set_scan_parameters(
        &mut self,
        scanner_id: u8,
        scan_type: u8,
        scan_interval: u16,
        scan_window: u16,
        scan_phy: u8,
    ) {
        mutcxxcall!(
            self,
            SetScanParameters,
            scanner_id,
            scan_type,
            scan_interval,
            scan_window,
            scan_phy
        );
    }

    pub fn batchscan_config_storage(
        &mut self,
        scanner_id: u8,
        full_max: i32,
        trunc_max: i32,
        notify_threshold: i32,
    ) {
        mutcxxcall!(
            self,
            BatchscanConfigStorage,
            scanner_id,
            full_max,
            trunc_max,
            notify_threshold
        );
    }

    pub fn batchscan_enable(
        &mut self,
        scan_mode: i32,
        scan_interval: u16,
        scan_window: u16,
        addr_type: i32,
        discard_rule: i32,
    ) {
        mutcxxcall!(
            self,
            BatchscanEnable,
            scan_mode,
            scan_interval,
            scan_window,
            addr_type,
            discard_rule
        );
    }

    pub fn batchscan_disable(&mut self) {
        mutcxxcall!(self, BatchscanDisable);
    }

    pub fn batchscan_read_reports(&mut self, scanner_id: u8, scan_mode: i32) {
        mutcxxcall!(self, BatchscanReadReports, scanner_id, scan_mode);
    }

    pub fn start_sync(&mut self, sid: u8, addr: RawAddress, skip: u16, timeout: u16) {
        mutcxxcall!(self, StartSync, sid, addr, skip, timeout);
    }

    pub fn stop_sync(&mut self, handle: u16) {
        mutcxxcall!(self, StopSync, handle);
    }

    pub fn cancel_create_sync(&mut self, sid: u8, addr: RawAddress) {
        mutcxxcall!(self, CancelCreateSync, sid, addr);
    }

    pub fn transfer_sync(&mut self, addr: RawAddress, service_data: u16, sync_handle: u16) {
        mutcxxcall!(self, TransferSync, addr, service_data, sync_handle);
    }

    pub fn transfer_set_info(&mut self, addr: RawAddress, service_data: u16, adv_handle: u8) {
        mutcxxcall!(self, TransferSetInfo, addr, service_data, adv_handle);
    }

    pub fn sync_tx_parameters(&mut self, addr: RawAddress, mode: u8, skip: u16, timeout: u16) {
        mutcxxcall!(self, SyncTxParameters, addr, mode, skip, timeout);
    }
}

pub struct BleAdvertiser {
    _internal: RawBleAdvertiserWrapper,
    internal_cxx: cxx::UniquePtr<ffi::BleAdvertiserIntf>,
}

impl BleAdvertiser {
    pub(crate) fn new(
        raw_gatt: *const btgatt_interface_t,
        internal_cxx: cxx::UniquePtr<ffi::BleAdvertiserIntf>,
    ) -> Self {
        BleAdvertiser {
            _internal: RawBleAdvertiserWrapper {
                _raw: unsafe { (*raw_gatt).advertiser as *const BleAdvertiserInterface },
            },
            internal_cxx,
        }
    }

    pub fn register_advertiser(&mut self) {
        mutcxxcall!(self, RegisterAdvertiser);
    }

    pub fn unregister(&mut self, adv_id: u8) {
        mutcxxcall!(self, Unregister, adv_id);
    }

    pub fn get_own_address(&mut self, adv_id: u8) {
        mutcxxcall!(self, GetOwnAddress, adv_id);
    }

    pub fn set_parameters(&mut self, adv_id: u8, params: AdvertiseParameters) {
        mutcxxcall!(self, SetParameters, adv_id, params);
    }
    pub fn set_data(&mut self, adv_id: u8, set_scan_rsp: bool, data: Vec<u8>) {
        mutcxxcall!(self, SetData, adv_id, set_scan_rsp, data);
    }
    pub fn enable(&mut self, adv_id: u8, enable: bool, duration: u16, max_ext_adv_events: u8) {
        mutcxxcall!(self, Enable, adv_id, enable, duration, max_ext_adv_events);
    }
    pub fn start_advertising(
        &mut self,
        adv_id: u8,
        params: AdvertiseParameters,
        advertise_data: Vec<u8>,
        scan_response_data: Vec<u8>,
        timeout_in_sec: i32,
    ) {
        mutcxxcall!(
            self,
            StartAdvertising,
            adv_id,
            params,
            advertise_data,
            scan_response_data,
            timeout_in_sec
        );
    }
    pub fn start_advertising_set(
        &mut self,
        reg_id: i32,
        params: AdvertiseParameters,
        advertise_data: Vec<u8>,
        scan_response_data: Vec<u8>,
        periodic_params: PeriodicAdvertisingParameters,
        periodic_data: Vec<u8>,
        duration: u16,
        max_ext_adv_events: u8,
    ) {
        mutcxxcall!(
            self,
            StartAdvertisingSet,
            reg_id,
            params,
            advertise_data,
            scan_response_data,
            periodic_params,
            periodic_data,
            duration,
            max_ext_adv_events
        );
    }
    pub fn set_periodic_advertising_parameters(
        &mut self,
        adv_id: u8,
        params: PeriodicAdvertisingParameters,
    ) {
        mutcxxcall!(self, SetPeriodicAdvertisingParameters, adv_id, params);
    }
    pub fn set_periodic_advertising_data(&mut self, adv_id: u8, data: Vec<u8>) {
        mutcxxcall!(self, SetPeriodicAdvertisingData, adv_id, data);
    }
    pub fn set_periodic_advertising_enable(&mut self, adv_id: u8, enable: bool, include_adi: bool) {
        mutcxxcall!(self, SetPeriodicAdvertisingEnable, adv_id, enable, include_adi);
    }
}

pub struct Gatt {
    internal: RawGattWrapper,
    is_init: bool,

    pub client: GattClient,
    pub server: GattServer,
    pub scanner: BleScanner,
    pub advertiser: BleAdvertiser,

    // Keep callback object in memory (underlying code doesn't make copy)
    callbacks: Option<Box<bindings::btgatt_callbacks_t>>,
    gatt_client_callbacks: Option<Box<bindings::btgatt_client_callbacks_t>>,
    gatt_server_callbacks: Option<Box<bindings::btgatt_server_callbacks_t>>,
    gatt_scanner_callbacks: Option<Box<bindings::btgatt_scanner_callbacks_t>>,
}

impl Gatt {
    pub fn new(intf: &BluetoothInterface) -> Gatt {
        let r = intf.get_profile_interface(SupportedProfiles::Gatt);

        if r.is_null() {
            panic!("Failed to get GATT interface");
        }

        let gatt_client_intf = unsafe { ffi::GetGattClientProfile(r as *const u8) };
        let gatt_server_intf = unsafe { ffi::GetGattServerProfile(r as *const u8) };
        let gatt_scanner_intf = unsafe { ffi::GetBleScannerIntf(r as *const u8) };
        let gatt_advertiser_intf = unsafe { ffi::GetBleAdvertiserIntf(r as *const u8) };

        Gatt {
            internal: RawGattWrapper { raw: r as *const btgatt_interface_t },
            is_init: false,
            client: GattClient {
                internal: RawGattClientWrapper {
                    raw: unsafe { (*(r as *const btgatt_interface_t)).client },
                },
                internal_cxx: gatt_client_intf,
            },
            server: GattServer {
                internal: RawGattServerWrapper {
                    raw: unsafe { (*(r as *const btgatt_interface_t)).server },
                },
                internal_cxx: gatt_server_intf,
            },
            scanner: BleScanner::new(r as *const btgatt_interface_t, gatt_scanner_intf),
            advertiser: BleAdvertiser::new(r as *const btgatt_interface_t, gatt_advertiser_intf),
            callbacks: None,
            gatt_client_callbacks: None,
            gatt_server_callbacks: None,
            gatt_scanner_callbacks: None,
        }
    }

    pub fn is_initialized(&self) -> bool {
        self.is_init
    }

    pub fn initialize(
        &mut self,
        gatt_client_callbacks_dispatcher: GattClientCallbacksDispatcher,
        gatt_server_callbacks_dispatcher: GattServerCallbacksDispatcher,
        gatt_scanner_callbacks_dispatcher: GattScannerCallbacksDispatcher,
        gatt_scanner_inband_callbacks_dispatcher: GattScannerInbandCallbacksDispatcher,
        gatt_adv_inband_callbacks_dispatcher: GattAdvInbandCallbacksDispatcher,
        gatt_adv_callbacks_dispatcher: GattAdvCallbacksDispatcher,
    ) -> bool {
        // Register dispatcher
        if get_dispatchers()
            .lock()
            .unwrap()
            .set::<GattClientCb>(Arc::new(Mutex::new(gatt_client_callbacks_dispatcher)))
        {
            panic!("Tried to set dispatcher for GattClientCallbacks but it already existed");
        }

        if get_dispatchers()
            .lock()
            .unwrap()
            .set::<GattServerCb>(Arc::new(Mutex::new(gatt_server_callbacks_dispatcher)))
        {
            panic!("Tried to set dispatcher for GattServerCallbacks but it already existed");
        }

        if get_dispatchers()
            .lock()
            .unwrap()
            .set::<GDScannerCb>(Arc::new(Mutex::new(gatt_scanner_callbacks_dispatcher)))
        {
            panic!("Tried to set dispatcher for GattScannerCallbacks but it already existed");
        }

        if get_dispatchers().lock().unwrap().set::<GDScannerInbandCb>(Arc::new(Mutex::new(
            gatt_scanner_inband_callbacks_dispatcher,
        ))) {
            panic!("Tried to set dispatcher for GattScannerInbandCallbacks but it already existed");
        }

        if get_dispatchers()
            .lock()
            .unwrap()
            .set::<GDAdvInbandCb>(Arc::new(Mutex::new(gatt_adv_inband_callbacks_dispatcher)))
        {
            panic!("Tried to set dispatcher for GattAdvInbandCallbacks but it already existed");
        }

        if get_dispatchers()
            .lock()
            .unwrap()
            .set::<GDAdvCb>(Arc::new(Mutex::new(gatt_adv_callbacks_dispatcher)))
        {
            panic!("Tried to set dispatcher for GattAdvCallbacks but it already existed");
        }

        let gatt_client_callbacks = Box::new(btgatt_client_callbacks_t {
            register_client_cb: Some(gc_register_client_cb),
            open_cb: Some(gc_open_cb),
            close_cb: Some(gc_close_cb),
            search_complete_cb: Some(gc_search_complete_cb),
            register_for_notification_cb: Some(gc_register_for_notification_cb),
            notify_cb: Some(gc_notify_cb),
            read_characteristic_cb: Some(gc_read_characteristic_cb),
            write_characteristic_cb: Some(gc_write_characteristic_cb),
            read_descriptor_cb: Some(gc_read_descriptor_cb),
            write_descriptor_cb: Some(gc_write_descriptor_cb),
            execute_write_cb: Some(gc_execute_write_cb),
            read_remote_rssi_cb: Some(gc_read_remote_rssi_cb),
            configure_mtu_cb: Some(gc_configure_mtu_cb),
            congestion_cb: Some(gc_congestion_cb),
            get_gatt_db_cb: Some(gc_get_gatt_db_cb),
            phy_updated_cb: Some(gc_phy_updated_cb),
            conn_updated_cb: Some(gc_conn_updated_cb),
            service_changed_cb: Some(gc_service_changed_cb),
            // These callbacks are never used and will also be removed from btif.
            // TODO(b/200073464): Remove these.
            services_removed_cb: None,
            services_added_cb: None,
            subrate_chg_cb: None,
        });

        let gatt_server_callbacks = Box::new(btgatt_server_callbacks_t {
            register_server_cb: Some(gs_register_server_cb),
            connection_cb: Some(gs_connection_cb),
            service_added_cb: Some(gs_service_added_cb),
            service_stopped_cb: Some(gs_service_stopped_cb),
            service_deleted_cb: Some(gs_service_deleted_cb),
            request_read_characteristic_cb: Some(gs_request_read_characteristic_cb),
            request_read_descriptor_cb: Some(gs_request_read_descriptor_cb),
            request_write_characteristic_cb: Some(gs_request_write_characteristic_cb),
            request_write_descriptor_cb: Some(gs_request_write_descriptor_cb),
            request_exec_write_cb: Some(gs_request_exec_write_cb),
            response_confirmation_cb: Some(gs_response_confirmation_cb),
            indication_sent_cb: Some(gs_indication_sent_cb),
            congestion_cb: Some(gs_congestion_cb),
            mtu_changed_cb: Some(gs_mtu_changed_cb),
            phy_updated_cb: Some(gs_phy_updated_cb),
            conn_updated_cb: Some(gs_conn_updated_cb),
            subrate_chg_cb: Some(gs_subrate_chg_cb),
        });

        let gatt_scanner_callbacks = Box::new(btgatt_scanner_callbacks_t {
            scan_result_cb: None,
            batchscan_reports_cb: None,
            batchscan_threshold_cb: None,
            track_adv_event_cb: None,
        });

        let callbacks = Box::new(btgatt_callbacks_t {
            size: std::mem::size_of::<btgatt_callbacks_t>(),
            client: &*gatt_client_callbacks,
            server: &*gatt_server_callbacks,
            scanner: &*gatt_scanner_callbacks,
        });

        let cb_ptr = LTCheckedPtr::from(&callbacks);

        let init = ccall!(self, init, cb_ptr.into());
        self.is_init = init == 0;
        self.callbacks = Some(callbacks);
        self.gatt_client_callbacks = Some(gatt_client_callbacks);
        self.gatt_server_callbacks = Some(gatt_server_callbacks);
        self.gatt_scanner_callbacks = Some(gatt_scanner_callbacks);

        // Register callbacks for gatt scanner and advertiser
        mutcxxcall!(self.scanner, RegisterCallbacks);
        mutcxxcall!(self.advertiser, RegisterCallbacks);

        return self.is_init;
    }
}