android13/packages/modules/Bluetooth/system/main/shim/le_scanning_manager.cc

819 lines
34 KiB
C++

/*
* Copyright 2020 The Android Open Source Project
*
* 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.
*/
#define LOG_TAG "bt_shim_scanner"
#include "le_scanning_manager.h"
#include <base/bind.h>
#include <base/logging.h>
#include <base/threading/thread.h>
#include <hardware/bluetooth.h>
#include <stdio.h>
#include <unordered_set>
#include "advertise_data_parser.h"
#include "btif/include/btif_common.h"
#include "hci/address.h"
#include "hci/le_scanning_manager.h"
#include "include/hardware/ble_scanner.h"
#include "main/shim/ble_scanner_interface_impl.h"
#include "main/shim/dumpsys.h"
#include "main/shim/entry.h"
#include "main/shim/helpers.h"
#include "main/shim/le_scanning_manager.h"
#include "main/shim/shim.h"
#include "stack/btm/btm_int_types.h"
#include "stack/include/btm_log_history.h"
#include "storage/device.h"
#include "storage/le_device.h"
#include "storage/storage_module.h"
#include "types/ble_address_with_type.h"
#include "types/bluetooth/uuid.h"
#include "types/raw_address.h"
using bluetooth::ToGdAddress;
using bluetooth::ToRawAddress;
namespace {
constexpr char kBtmLogTag[] = "SCAN";
constexpr uint16_t kAllowServiceDataFilter = 0x0040;
constexpr uint16_t kAllowADTypeFilter = 0x80;
constexpr uint8_t kFilterLogicOr = 0x00;
constexpr uint8_t kFilterLogicAnd = 0x01;
constexpr uint8_t kLowestRssiValue = 129;
constexpr uint16_t kAllowAllFilter = 0x00;
constexpr uint16_t kListLogicOr = 0x01;
class DefaultScanningCallback : public ::ScanningCallbacks {
void OnScannerRegistered(const bluetooth::Uuid app_uuid, uint8_t scanner_id,
uint8_t status) override {
LogUnused();
}
void OnSetScannerParameterComplete(uint8_t scanner_id,
uint8_t status) override {
LogUnused();
}
void OnScanResult(uint16_t event_type, uint8_t address_type, RawAddress bda,
uint8_t primary_phy, uint8_t secondary_phy,
uint8_t advertising_sid, int8_t tx_power, int8_t rssi,
uint16_t periodic_advertising_interval,
std::vector<uint8_t> advertising_data) override {
LogUnused();
}
void OnTrackAdvFoundLost(
AdvertisingTrackInfo advertising_track_info) override {
LogUnused();
}
void OnBatchScanReports(int client_if, int status, int report_format,
int num_records, std::vector<uint8_t> data) override {
LogUnused();
}
void OnBatchScanThresholdCrossed(int client_if) override { LogUnused(); }
void OnPeriodicSyncStarted(int reg_id, uint8_t status, uint16_t sync_handle,
uint8_t advertising_sid, uint8_t address_type,
RawAddress address, uint8_t phy,
uint16_t interval) override {
LogUnused();
};
void OnPeriodicSyncReport(uint16_t sync_handle, int8_t tx_power, int8_t rssi,
uint8_t status,
std::vector<uint8_t> data) override {
LogUnused();
};
void OnPeriodicSyncLost(uint16_t sync_handle) override { LogUnused(); };
void OnPeriodicSyncTransferred(int pa_source, uint8_t status,
RawAddress address) override {
LogUnused();
};
private:
static void LogUnused() {
LOG_WARN("BLE Scanning callbacks have not been registered");
}
} default_scanning_callback_;
} // namespace
::ScanningCallbacks* bluetooth::shim::default_scanning_callback =
static_cast<::ScanningCallbacks*>(&default_scanning_callback_);
extern ::ScanningCallbacks* bluetooth::shim::default_scanning_callback;
extern tBTM_CB btm_cb;
extern void btm_ble_process_adv_pkt_cont_for_inquiry(
uint16_t event_type, tBLE_ADDR_TYPE address_type,
const RawAddress& raw_address, uint8_t primary_phy, uint8_t secondary_phy,
uint8_t advertising_sid, int8_t tx_power, int8_t rssi,
uint16_t periodic_adv_int, std::vector<uint8_t> advertising_data);
extern void btif_dm_update_ble_remote_properties(const RawAddress& bd_addr,
BD_NAME bd_name,
tBT_DEVICE_TYPE dev_type);
extern void btm_ble_process_adv_addr(RawAddress& raw_address,
tBLE_ADDR_TYPE* address_type);
using bluetooth::shim::BleScannerInterfaceImpl;
void BleScannerInterfaceImpl::Init() {
LOG_INFO("init BleScannerInterfaceImpl");
bluetooth::shim::GetScanning()->RegisterScanningCallback(this);
}
/** Registers a scanner with the stack */
void BleScannerInterfaceImpl::RegisterScanner(const bluetooth::Uuid& uuid,
RegisterCallback) {
LOG(INFO) << __func__ << " in shim layer";
auto app_uuid = bluetooth::hci::Uuid::From128BitBE(uuid.To128BitBE());
bluetooth::shim::GetScanning()->RegisterScanner(app_uuid);
}
/** Unregister a scanner from the stack */
void BleScannerInterfaceImpl::Unregister(int scanner_id) {
LOG(INFO) << __func__ << " in shim layer, scanner_id:" << scanner_id;
bluetooth::shim::GetScanning()->Unregister(scanner_id);
}
/** Start or stop LE device scanning */
void BleScannerInterfaceImpl::Scan(bool start) {
LOG(INFO) << __func__ << " in shim layer " << ((start) ? "started" : "stopped");
bluetooth::shim::GetScanning()->Scan(start);
BTM_LogHistory(
kBtmLogTag, RawAddress::kEmpty,
base::StringPrintf("Le scan %s", (start) ? "started" : "stopped"));
if (start) {
btm_cb.ble_ctr_cb.set_ble_observe_active();
} else {
btm_cb.ble_ctr_cb.reset_ble_observe();
}
do_in_jni_thread(FROM_HERE,
base::Bind(&BleScannerInterfaceImpl::AddressCache::init,
base::Unretained(&address_cache_)));
}
/** Setup scan filter params */
void BleScannerInterfaceImpl::ScanFilterParamSetup(
uint8_t client_if, uint8_t action, uint8_t filter_index,
std::unique_ptr<btgatt_filt_param_setup_t> filt_param,
FilterParamSetupCallback cb) {
LOG(INFO) << __func__ << " in shim layer";
auto apcf_action = static_cast<bluetooth::hci::ApcfAction>(action);
bluetooth::hci::AdvertisingFilterParameter advertising_filter_parameter;
if (filt_param != nullptr) {
if (filt_param && filt_param->dely_mode == 1 &&
apcf_action == hci::ApcfAction::ADD) {
bluetooth::shim::GetScanning()->TrackAdvertiser(filter_index, client_if);
}
advertising_filter_parameter.feature_selection = filt_param->feat_seln;
advertising_filter_parameter.list_logic_type = filt_param->list_logic_type;
advertising_filter_parameter.filter_logic_type =
filt_param->filt_logic_type;
advertising_filter_parameter.rssi_high_thresh = filt_param->rssi_high_thres;
advertising_filter_parameter.delivery_mode =
static_cast<bluetooth::hci::DeliveryMode>(filt_param->dely_mode);
if (filt_param && filt_param->dely_mode == 1) {
advertising_filter_parameter.onfound_timeout = filt_param->found_timeout;
advertising_filter_parameter.onfound_timeout_cnt =
filt_param->found_timeout_cnt;
advertising_filter_parameter.rssi_low_thresh = filt_param->rssi_low_thres;
advertising_filter_parameter.onlost_timeout = filt_param->lost_timeout;
advertising_filter_parameter.num_of_tracking_entries =
filt_param->num_of_tracking_entries;
}
}
bluetooth::shim::GetScanning()->ScanFilterParameterSetup(
apcf_action, filter_index, advertising_filter_parameter);
// TODO refactor callback mechanism
do_in_jni_thread(FROM_HERE,
base::Bind(cb, 0, 0, btm_status_value(BTM_SUCCESS)));
}
/** Configure a scan filter condition */
void BleScannerInterfaceImpl::ScanFilterAdd(int filter_index,
std::vector<ApcfCommand> filters,
FilterConfigCallback cb) {
LOG(INFO) << __func__ << " in shim layer";
std::vector<bluetooth::hci::AdvertisingPacketContentFilterCommand>
new_filters = {};
for (size_t i = 0; i < filters.size(); i++) {
bluetooth::hci::AdvertisingPacketContentFilterCommand command{};
if (!parse_filter_command(command, filters[i])) {
LOG_ERROR("invalid apcf command");
return;
}
new_filters.push_back(command);
}
bluetooth::shim::GetScanning()->ScanFilterAdd(filter_index, new_filters);
do_in_jni_thread(FROM_HERE,
base::Bind(cb, 0, 0, 0, btm_status_value(BTM_SUCCESS)));
}
/** Clear all scan filter conditions for specific filter index*/
void BleScannerInterfaceImpl::ScanFilterClear(int filter_index,
FilterConfigCallback cb) {
LOG(INFO) << __func__ << " in shim layer";
// This function doesn't used in java layer
}
/** Enable / disable scan filter feature*/
void BleScannerInterfaceImpl::ScanFilterEnable(bool enable, EnableCallback cb) {
LOG(INFO) << __func__ << " in shim layer";
bluetooth::shim::GetScanning()->ScanFilterEnable(enable);
uint8_t action = enable ? 1 : 0;
do_in_jni_thread(FROM_HERE,
base::Bind(cb, action, btm_status_value(BTM_SUCCESS)));
}
/** Sets the LE scan interval and window in units of N*0.625 msec */
void BleScannerInterfaceImpl::SetScanParameters(int scanner_id,
int scan_interval,
int scan_window, Callback cb) {
LOG(INFO) << __func__ << " in shim layer";
tBTM_BLE_INQ_CB* p_cb = &btm_cb.ble_ctr_cb.inq_var;
if (BTM_BLE_ISVALID_PARAM(scan_interval, BTM_BLE_SCAN_INT_MIN,
BTM_BLE_EXT_SCAN_INT_MAX) &&
BTM_BLE_ISVALID_PARAM(scan_window, BTM_BLE_SCAN_WIN_MIN,
BTM_BLE_EXT_SCAN_WIN_MAX)) {
p_cb->scan_type = BTM_BLE_SCAN_MODE_ACTI;
p_cb->scan_interval = scan_interval;
p_cb->scan_window = scan_window;
}
// use active scan
auto scan_type = static_cast<bluetooth::hci::LeScanType>(0x01);
bluetooth::shim::GetScanning()->SetScanParameters(scanner_id, scan_type,
scan_interval, scan_window);
}
/* Configure the batchscan storage */
void BleScannerInterfaceImpl::BatchscanConfigStorage(
int client_if, int batch_scan_full_max, int batch_scan_trunc_max,
int batch_scan_notify_threshold, Callback cb) {
LOG(INFO) << __func__ << " in shim layer";
bluetooth::shim::GetScanning()->BatchScanConifgStorage(
batch_scan_full_max, batch_scan_trunc_max, batch_scan_notify_threshold,
client_if);
do_in_jni_thread(FROM_HERE, base::Bind(cb, btm_status_value(BTM_SUCCESS)));
}
/* Enable batchscan */
void BleScannerInterfaceImpl::BatchscanEnable(int scan_mode, int scan_interval,
int scan_window, int addr_type,
int discard_rule, Callback cb) {
LOG(INFO) << __func__ << " in shim layer";
auto batch_scan_mode = static_cast<bluetooth::hci::BatchScanMode>(scan_mode);
auto batch_scan_discard_rule =
static_cast<bluetooth::hci::BatchScanDiscardRule>(discard_rule);
bluetooth::shim::GetScanning()->BatchScanEnable(
batch_scan_mode, scan_window, scan_interval, batch_scan_discard_rule);
do_in_jni_thread(FROM_HERE, base::Bind(cb, btm_status_value(BTM_SUCCESS)));
}
/* Disable batchscan */
void BleScannerInterfaceImpl::BatchscanDisable(Callback cb) {
LOG(INFO) << __func__ << " in shim layer";
bluetooth::shim::GetScanning()->BatchScanDisable();
do_in_jni_thread(FROM_HERE, base::Bind(cb, btm_status_value(BTM_SUCCESS)));
}
/* Read out batchscan reports */
void BleScannerInterfaceImpl::BatchscanReadReports(int client_if,
int scan_mode) {
LOG(INFO) << __func__ << " in shim layer";
auto batch_scan_mode = static_cast<bluetooth::hci::BatchScanMode>(scan_mode);
auto scanner_id = static_cast<bluetooth::hci::ScannerId>(client_if);
bluetooth::shim::GetScanning()->BatchScanReadReport(scanner_id,
batch_scan_mode);
}
extern bool btm_random_pseudo_to_identity_addr(
RawAddress* random_pseudo, tBLE_ADDR_TYPE* p_identity_addr_type);
extern bool btm_identity_addr_to_random_pseudo(RawAddress* bd_addr,
tBLE_ADDR_TYPE* p_addr_type,
bool refresh);
extern tACL_CONN* btm_acl_for_bda(const RawAddress& bd_addr,
tBT_TRANSPORT transport);
void BleScannerInterfaceImpl::StartSync(uint8_t sid, RawAddress address,
uint16_t skip, uint16_t timeout,
int reg_id) {
LOG(INFO) << __func__ << " in shim layer";
tBLE_ADDR_TYPE address_type = BLE_ADDR_RANDOM;
tINQ_DB_ENT* p_i = btm_inq_db_find(address);
if (p_i) {
address_type = p_i->inq_info.results.ble_addr_type; // Random
}
btm_random_pseudo_to_identity_addr(&address, &address_type);
address_type &= ~BLE_ADDR_TYPE_ID_BIT;
bluetooth::shim::GetScanning()->StartSync(
sid, ToAddressWithType(address, address_type), skip, timeout, reg_id);
}
void BleScannerInterfaceImpl::StopSync(uint16_t handle) {
LOG(INFO) << __func__ << " in shim layer";
bluetooth::shim::GetScanning()->StopSync(handle);
}
void BleScannerInterfaceImpl::CancelCreateSync(uint8_t sid,
RawAddress address) {
LOG(INFO) << __func__ << " in shim layer";
bluetooth::shim::GetScanning()->CancelCreateSync(sid, ToGdAddress(address));
}
void BleScannerInterfaceImpl::TransferSync(RawAddress address,
uint16_t service_data,
uint16_t sync_handle,
int pa_source) {
LOG(INFO) << __func__ << " in shim layer";
tACL_CONN* p_acl = btm_acl_for_bda(address, BT_TRANSPORT_LE);
if (p_acl == NULL || !HCI_LE_PERIODIC_ADVERTISING_SYNC_TRANSFER_RECIPIENT(
p_acl->peer_le_features)) {
LOG_ERROR("[PAST] Remote doesn't support PAST");
scanning_callbacks_->OnPeriodicSyncTransferred(
pa_source, BTM_MODE_UNSUPPORTED, address);
return;
}
bluetooth::shim::GetScanning()->TransferSync(
ToGdAddress(address), service_data, sync_handle, pa_source);
}
void BleScannerInterfaceImpl::TransferSetInfo(RawAddress address,
uint16_t service_data,
uint8_t adv_handle,
int pa_source) {
LOG(INFO) << __func__ << " in shim layer";
tACL_CONN* p_acl = btm_acl_for_bda(address, BT_TRANSPORT_LE);
if (p_acl == NULL || !HCI_LE_PERIODIC_ADVERTISING_SYNC_TRANSFER_RECIPIENT(
p_acl->peer_le_features)) {
LOG_ERROR("[PAST] Remote doesn't support PAST");
scanning_callbacks_->OnPeriodicSyncTransferred(
pa_source, BTM_MODE_UNSUPPORTED, address);
return;
}
bluetooth::shim::GetScanning()->TransferSetInfo(
ToGdAddress(address), service_data, adv_handle, pa_source);
}
void BleScannerInterfaceImpl::SyncTxParameters(RawAddress addr, uint8_t mode,
uint16_t skip, uint16_t timeout,
int reg_id) {
LOG(INFO) << __func__ << " in shim layer";
bluetooth::shim::GetScanning()->SyncTxParameters(ToGdAddress(addr), mode,
skip, timeout, reg_id);
}
void BleScannerInterfaceImpl::RegisterCallbacks(ScanningCallbacks* callbacks) {
LOG(INFO) << __func__ << " in shim layer";
scanning_callbacks_ = callbacks;
}
void BleScannerInterfaceImpl::OnScannerRegistered(
const bluetooth::hci::Uuid app_uuid, bluetooth::hci::ScannerId scanner_id,
ScanningStatus status) {
auto uuid = bluetooth::Uuid::From128BitBE(app_uuid.To128BitBE());
do_in_jni_thread(FROM_HERE,
base::Bind(&ScanningCallbacks::OnScannerRegistered,
base::Unretained(scanning_callbacks_), uuid,
scanner_id, status));
}
void BleScannerInterfaceImpl::OnSetScannerParameterComplete(
bluetooth::hci::ScannerId scanner_id, ScanningStatus status) {
do_in_jni_thread(
FROM_HERE,
base::Bind(&ScanningCallbacks::OnSetScannerParameterComplete,
base::Unretained(scanning_callbacks_), scanner_id, status));
}
void BleScannerInterfaceImpl::OnScanResult(
uint16_t event_type, uint8_t address_type, bluetooth::hci::Address address,
uint8_t primary_phy, uint8_t secondary_phy, uint8_t advertising_sid,
int8_t tx_power, int8_t rssi, uint16_t periodic_advertising_interval,
std::vector<uint8_t> advertising_data) {
RawAddress raw_address = ToRawAddress(address);
tBLE_ADDR_TYPE ble_addr_type = to_ble_addr_type(address_type);
if (ble_addr_type != BLE_ADDR_ANONYMOUS) {
btm_ble_process_adv_addr(raw_address, &ble_addr_type);
}
do_in_jni_thread(
FROM_HERE,
base::BindOnce(&BleScannerInterfaceImpl::handle_remote_properties,
base::Unretained(this), raw_address, ble_addr_type,
advertising_data));
do_in_jni_thread(
FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnScanResult,
base::Unretained(scanning_callbacks_), event_type,
static_cast<uint8_t>(address_type), raw_address,
primary_phy, secondary_phy, advertising_sid, tx_power,
rssi, periodic_advertising_interval, advertising_data));
// TODO: Remove when StartInquiry in GD part implemented
btm_ble_process_adv_pkt_cont_for_inquiry(
event_type, ble_addr_type, raw_address, primary_phy, secondary_phy,
advertising_sid, tx_power, rssi, periodic_advertising_interval,
advertising_data);
}
void BleScannerInterfaceImpl::OnTrackAdvFoundLost(
bluetooth::hci::AdvertisingFilterOnFoundOnLostInfo on_found_on_lost_info) {
AdvertisingTrackInfo track_info = {};
RawAddress raw_address =
ToRawAddress(on_found_on_lost_info.advertiser_address);
if (on_found_on_lost_info.advertiser_address_type != BLE_ADDR_ANONYMOUS) {
btm_ble_process_adv_addr(raw_address,
&on_found_on_lost_info.advertiser_address_type);
}
track_info.advertiser_address = raw_address;
track_info.advertiser_address_type =
on_found_on_lost_info.advertiser_address_type;
track_info.scanner_id = on_found_on_lost_info.scanner_id;
track_info.filter_index = on_found_on_lost_info.filter_index;
track_info.advertiser_state = on_found_on_lost_info.advertiser_state;
track_info.advertiser_info_present =
static_cast<uint8_t>(on_found_on_lost_info.advertiser_info_present);
if (on_found_on_lost_info.advertiser_info_present ==
bluetooth::hci::AdvtInfoPresent::ADVT_INFO_PRESENT) {
track_info.tx_power = on_found_on_lost_info.tx_power;
track_info.rssi = on_found_on_lost_info.rssi;
track_info.time_stamp = on_found_on_lost_info.time_stamp;
auto adv_data = on_found_on_lost_info.adv_packet;
track_info.adv_packet_len = (uint8_t)adv_data.size();
track_info.adv_packet.reserve(adv_data.size());
track_info.adv_packet.insert(track_info.adv_packet.end(), adv_data.begin(),
adv_data.end());
auto scan_rsp_data = on_found_on_lost_info.scan_response;
track_info.scan_response_len = (uint8_t)scan_rsp_data.size();
track_info.scan_response.reserve(adv_data.size());
track_info.scan_response.insert(track_info.scan_response.end(),
scan_rsp_data.begin(), scan_rsp_data.end());
}
do_in_jni_thread(
FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnTrackAdvFoundLost,
base::Unretained(scanning_callbacks_), track_info));
}
void BleScannerInterfaceImpl::OnBatchScanReports(int client_if, int status,
int report_format,
int num_records,
std::vector<uint8_t> data) {
do_in_jni_thread(
FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnBatchScanReports,
base::Unretained(scanning_callbacks_), client_if, status,
report_format, num_records, data));
}
void BleScannerInterfaceImpl::OnBatchScanThresholdCrossed(int client_if) {
do_in_jni_thread(
FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnBatchScanThresholdCrossed,
base::Unretained(scanning_callbacks_), client_if));
}
void BleScannerInterfaceImpl::OnPeriodicSyncStarted(
int reg_id, uint8_t status, uint16_t sync_handle, uint8_t advertising_sid,
bluetooth::hci::AddressWithType address_with_type, uint8_t phy,
uint16_t interval) {
RawAddress raw_address = ToRawAddress(address_with_type.GetAddress());
tBLE_ADDR_TYPE ble_addr_type =
to_ble_addr_type((uint8_t)address_with_type.GetAddressType());
if (ble_addr_type & BLE_ADDR_TYPE_ID_BIT) {
btm_identity_addr_to_random_pseudo(&raw_address, &ble_addr_type, true);
}
do_in_jni_thread(FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnPeriodicSyncStarted,
base::Unretained(scanning_callbacks_), reg_id,
status, sync_handle, advertising_sid,
static_cast<int>(ble_addr_type), raw_address,
phy, interval));
}
void BleScannerInterfaceImpl::OnPeriodicSyncReport(uint16_t sync_handle,
int8_t tx_power, int8_t rssi,
uint8_t status,
std::vector<uint8_t> data) {
do_in_jni_thread(
FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnPeriodicSyncReport,
base::Unretained(scanning_callbacks_), sync_handle,
tx_power, rssi, status, std::move(data)));
}
void BleScannerInterfaceImpl::OnPeriodicSyncLost(uint16_t sync_handle) {
do_in_jni_thread(
FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnPeriodicSyncLost,
base::Unretained(scanning_callbacks_), sync_handle));
}
void BleScannerInterfaceImpl::OnPeriodicSyncTransferred(
int pa_source, uint8_t status, bluetooth::hci::Address address) {
do_in_jni_thread(FROM_HERE,
base::BindOnce(&ScanningCallbacks::OnPeriodicSyncTransferred,
base::Unretained(scanning_callbacks_),
pa_source, status, ToRawAddress(address)));
}
void BleScannerInterfaceImpl::OnTimeout() {}
void BleScannerInterfaceImpl::OnFilterEnable(bluetooth::hci::Enable enable,
uint8_t status) {}
void BleScannerInterfaceImpl::OnFilterParamSetup(
uint8_t available_spaces, bluetooth::hci::ApcfAction action,
uint8_t status) {}
void BleScannerInterfaceImpl::OnFilterConfigCallback(
bluetooth::hci::ApcfFilterType filter_type, uint8_t available_spaces,
bluetooth::hci::ApcfAction action, uint8_t status) {}
bool BleScannerInterfaceImpl::parse_filter_command(
bluetooth::hci::AdvertisingPacketContentFilterCommand&
advertising_packet_content_filter_command,
ApcfCommand apcf_command) {
advertising_packet_content_filter_command.filter_type =
static_cast<bluetooth::hci::ApcfFilterType>(apcf_command.type);
bluetooth::hci::Address address = ToGdAddress(apcf_command.address);
advertising_packet_content_filter_command.address = address;
advertising_packet_content_filter_command.application_address_type =
static_cast<bluetooth::hci::ApcfApplicationAddressType>(
apcf_command.addr_type);
if (!apcf_command.uuid.IsEmpty()) {
uint8_t uuid_len = apcf_command.uuid.GetShortestRepresentationSize();
switch (uuid_len) {
case bluetooth::Uuid::kNumBytes16: {
advertising_packet_content_filter_command.uuid =
bluetooth::hci::Uuid::From16Bit(apcf_command.uuid.As16Bit());
} break;
case bluetooth::Uuid::kNumBytes32: {
advertising_packet_content_filter_command.uuid =
bluetooth::hci::Uuid::From32Bit(apcf_command.uuid.As32Bit());
} break;
case bluetooth::Uuid::kNumBytes128: {
advertising_packet_content_filter_command.uuid =
bluetooth::hci::Uuid::From128BitBE(apcf_command.uuid.To128BitBE());
} break;
default:
LOG_WARN("illegal UUID length %d", (uint16_t)uuid_len);
return false;
}
}
if (!apcf_command.uuid_mask.IsEmpty()) {
uint8_t uuid_len = apcf_command.uuid.GetShortestRepresentationSize();
switch (uuid_len) {
case bluetooth::Uuid::kNumBytes16: {
advertising_packet_content_filter_command.uuid_mask =
bluetooth::hci::Uuid::From16Bit(apcf_command.uuid_mask.As16Bit());
} break;
case bluetooth::Uuid::kNumBytes32: {
advertising_packet_content_filter_command.uuid_mask =
bluetooth::hci::Uuid::From32Bit(apcf_command.uuid_mask.As32Bit());
} break;
case bluetooth::Uuid::kNumBytes128: {
advertising_packet_content_filter_command.uuid_mask =
bluetooth::hci::Uuid::From128BitBE(
apcf_command.uuid_mask.To128BitBE());
} break;
default:
LOG_WARN("illegal UUID length %d", (uint16_t)uuid_len);
return false;
}
}
advertising_packet_content_filter_command.name.assign(
apcf_command.name.begin(), apcf_command.name.end());
advertising_packet_content_filter_command.company = apcf_command.company;
advertising_packet_content_filter_command.company_mask =
apcf_command.company_mask;
advertising_packet_content_filter_command.ad_type = apcf_command.ad_type;
advertising_packet_content_filter_command.data.assign(
apcf_command.data.begin(), apcf_command.data.end());
advertising_packet_content_filter_command.data_mask.assign(
apcf_command.data_mask.begin(), apcf_command.data_mask.end());
advertising_packet_content_filter_command.irk = apcf_command.irk;
return true;
}
void BleScannerInterfaceImpl::handle_remote_properties(
RawAddress bd_addr, tBLE_ADDR_TYPE addr_type,
std::vector<uint8_t> advertising_data) {
if (!bluetooth::shim::is_gd_stack_started_up()) {
LOG_WARN("Gd stack is stopped, return");
return;
}
// skip anonymous advertisment
if (addr_type == BLE_ADDR_ANONYMOUS) {
return;
}
auto device_type = bluetooth::hci::DeviceType::LE;
uint8_t flag_len;
const uint8_t* p_flag = AdvertiseDataParser::GetFieldByType(
advertising_data, BTM_BLE_AD_TYPE_FLAG, &flag_len);
if (p_flag != NULL && flag_len != 0) {
if ((BTM_BLE_BREDR_NOT_SPT & *p_flag) == 0) {
device_type = bluetooth::hci::DeviceType::DUAL;
}
}
uint8_t remote_name_len;
const uint8_t* p_eir_remote_name = AdvertiseDataParser::GetFieldByType(
advertising_data, HCI_EIR_COMPLETE_LOCAL_NAME_TYPE, &remote_name_len);
if (p_eir_remote_name == NULL) {
p_eir_remote_name = AdvertiseDataParser::GetFieldByType(
advertising_data, HCI_EIR_SHORTENED_LOCAL_NAME_TYPE, &remote_name_len);
}
// update device name
if ((addr_type != BLE_ADDR_RANDOM) || (p_eir_remote_name)) {
if (!address_cache_.find(bd_addr)) {
address_cache_.add(bd_addr);
if (p_eir_remote_name) {
if (remote_name_len > BD_NAME_LEN + 1 ||
(remote_name_len == BD_NAME_LEN + 1 &&
p_eir_remote_name[BD_NAME_LEN] != '\0')) {
LOG_INFO("%s dropping invalid packet - device name too long: %d",
__func__, remote_name_len);
return;
}
bt_bdname_t bdname;
memcpy(bdname.name, p_eir_remote_name, remote_name_len);
if (remote_name_len < BD_NAME_LEN + 1)
bdname.name[remote_name_len] = '\0';
btif_dm_update_ble_remote_properties(bd_addr, bdname.name, device_type);
}
}
}
auto* storage_module = bluetooth::shim::GetStorage();
bluetooth::hci::Address address = ToGdAddress(bd_addr);
// update device type
auto mutation = storage_module->Modify();
bluetooth::storage::Device device =
storage_module->GetDeviceByLegacyKey(address);
mutation.Add(device.SetDeviceType(device_type));
mutation.Commit();
// update address type
auto mutation2 = storage_module->Modify();
bluetooth::storage::LeDevice le_device = device.Le();
mutation2.Add(
le_device.SetAddressType((bluetooth::hci::AddressType)addr_type));
mutation2.Commit();
}
void BleScannerInterfaceImpl::AddressCache::add(const RawAddress& p_bda) {
// Remove the oldest entries
while (remote_bdaddr_cache_.size() >= remote_bdaddr_cache_max_size_) {
const RawAddress& raw_address = remote_bdaddr_cache_ordered_.front();
remote_bdaddr_cache_.erase(raw_address);
remote_bdaddr_cache_ordered_.pop();
}
remote_bdaddr_cache_.insert(p_bda);
remote_bdaddr_cache_ordered_.push(p_bda);
}
bool BleScannerInterfaceImpl::AddressCache::find(const RawAddress& p_bda) {
return (remote_bdaddr_cache_.find(p_bda) != remote_bdaddr_cache_.end());
}
void BleScannerInterfaceImpl::AddressCache::init(void) {
remote_bdaddr_cache_.clear();
remote_bdaddr_cache_ordered_ = {};
}
BleScannerInterfaceImpl* bt_le_scanner_instance = nullptr;
BleScannerInterface* bluetooth::shim::get_ble_scanner_instance() {
if (bt_le_scanner_instance == nullptr) {
bt_le_scanner_instance = new BleScannerInterfaceImpl();
}
return bt_le_scanner_instance;
}
void bluetooth::shim::init_scanning_manager() {
static_cast<BleScannerInterfaceImpl*>(
bluetooth::shim::get_ble_scanner_instance())
->Init();
}
bool bluetooth::shim::is_ad_type_filter_supported() {
return bluetooth::shim::GetScanning()->IsAdTypeFilterSupported();
}
void bluetooth::shim::set_ad_type_rsi_filter(bool enable) {
bluetooth::hci::AdvertisingFilterParameter advertising_filter_parameter;
bluetooth::shim::GetScanning()->ScanFilterParameterSetup(
bluetooth::hci::ApcfAction::DELETE, 0x00, advertising_filter_parameter);
if (enable) {
std::vector<bluetooth::hci::AdvertisingPacketContentFilterCommand> filters =
{};
bluetooth::hci::AdvertisingPacketContentFilterCommand filter{};
filter.filter_type = bluetooth::hci::ApcfFilterType::AD_TYPE;
filter.ad_type = BTM_BLE_AD_TYPE_RSI;
filters.push_back(filter);
bluetooth::shim::GetScanning()->ScanFilterAdd(0x00, filters);
advertising_filter_parameter.delivery_mode =
bluetooth::hci::DeliveryMode::IMMEDIATE;
advertising_filter_parameter.feature_selection = kAllowADTypeFilter;
advertising_filter_parameter.list_logic_type = kAllowADTypeFilter;
advertising_filter_parameter.filter_logic_type = kFilterLogicOr;
advertising_filter_parameter.rssi_high_thresh = kLowestRssiValue;
bluetooth::shim::GetScanning()->ScanFilterParameterSetup(
bluetooth::hci::ApcfAction::ADD, 0x00, advertising_filter_parameter);
}
}
void bluetooth::shim::set_empty_filter(bool enable) {
bluetooth::hci::AdvertisingFilterParameter advertising_filter_parameter;
bluetooth::shim::GetScanning()->ScanFilterParameterSetup(
bluetooth::hci::ApcfAction::DELETE, 0x00, advertising_filter_parameter);
if (enable) {
/* Add an allow-all filter on index 0 */
advertising_filter_parameter.delivery_mode =
bluetooth::hci::DeliveryMode::IMMEDIATE;
advertising_filter_parameter.feature_selection = kAllowAllFilter;
advertising_filter_parameter.list_logic_type = kListLogicOr;
advertising_filter_parameter.filter_logic_type = kFilterLogicOr;
advertising_filter_parameter.rssi_high_thresh = kLowestRssiValue;
bluetooth::shim::GetScanning()->ScanFilterParameterSetup(
bluetooth::hci::ApcfAction::ADD, 0x00, advertising_filter_parameter);
}
}
void bluetooth::shim::set_target_announcements_filter(bool enable) {
uint8_t filter_index = 0x03;
LOG_DEBUG(" enable %d", enable);
bluetooth::hci::AdvertisingFilterParameter advertising_filter_parameter = {};
bluetooth::shim::GetScanning()->ScanFilterParameterSetup(
bluetooth::hci::ApcfAction::DELETE, filter_index,
advertising_filter_parameter);
if (!enable) return;
advertising_filter_parameter.delivery_mode =
bluetooth::hci::DeliveryMode::IMMEDIATE;
advertising_filter_parameter.feature_selection = kAllowServiceDataFilter;
advertising_filter_parameter.list_logic_type = kListLogicOr;
advertising_filter_parameter.filter_logic_type = kFilterLogicAnd;
advertising_filter_parameter.rssi_high_thresh = kLowestRssiValue;
/* Add targeted announcements filter on index 4 */
std::vector<bluetooth::hci::AdvertisingPacketContentFilterCommand>
cap_bap_filter = {};
bluetooth::hci::AdvertisingPacketContentFilterCommand cap_filter{};
cap_filter.filter_type = bluetooth::hci::ApcfFilterType::SERVICE_DATA;
cap_filter.data = {0x53, 0x18, 0x01};
cap_filter.data_mask = {0x53, 0x18, 0xFF};
cap_bap_filter.push_back(cap_filter);
bluetooth::hci::AdvertisingPacketContentFilterCommand bap_filter{};
bap_filter.filter_type = bluetooth::hci::ApcfFilterType::SERVICE_DATA;
bap_filter.data = {0x4e, 0x18, 0x01};
bap_filter.data_mask = {0x4e, 0x18, 0xFF};
cap_bap_filter.push_back(bap_filter);
bluetooth::shim::GetScanning()->ScanFilterAdd(filter_index, cap_bap_filter);
bluetooth::shim::GetScanning()->ScanFilterParameterSetup(
bluetooth::hci::ApcfAction::ADD, filter_index,
advertising_filter_parameter);
}