Merge changes Ida766e8e,I1ebf72e4,I8f4c1a6f,I1f251968,I3b831b5c into main (2ea01f75) · Commits · e / os / android_packages_modules_Bluetooth

floss/pandora/floss/adapter_client.py

+82 −1

Original line number	Diff line number	Diff line
		@@ -68,6 +68,30 @@ class BluetoothCallbacks:
		"""
		pass

		def on_pin_request(self, remote_device, cod, min_16_digit):
		"""When there is a pin request to display the event to client.

		Args:
		remote_device:
		Remote device that is being paired.
		cod:
		Class of device as described in HCI spec.
		min_16_digit:
		True if the pin is 16 digit, False otherwise.
		"""
		pass

		def on_pin_display(self, remote_device, pincode):
		"""When there is a auto-gen pin to display the event to client.

		Args:
		remote_device:
		Remote device that is being paired.
		pincode:
		PIN code to display.
		"""
		pass

		def on_bond_state_changed(self, status, address, state):
		"""Bonding/Pairing state has changed for a device.

		@@ -155,6 +179,15 @@ class FlossAdapterClient(BluetoothCallbacks, BluetoothConnectionCallbacks):
		<arg type="u" name="variant" direction="in" />
		<arg type="u" name="passkey" direction="in" />
		</method>
		<method name="OnPinRequest">
		<arg type="a{sv}" name="remote_device_dbus" direction="in" />
		<arg type="u" name="cod" direction="in" />
		<arg type="b" name="min_16_digit" direction="in" />
		</method>
		<method name="OnPinDisplay">
		<arg type="a{sv}" name="remote_device_dbus" direction="in" />
		<arg type="s" name="pincode" direction="in" />
		</method>
		<method name="OnBondStateChanged">
		<arg type="u" name="status" direction="in" />
		<arg type="s" name="address" direction="in" />
		@@ -192,12 +225,32 @@ class FlossAdapterClient(BluetoothCallbacks, BluetoothConnectionCallbacks):
		"""Handle pairing/bonding request to agent."""
		parsed, remote_device = FlossAdapterClient.parse_dbus_device(remote_device_dbus)
		if not parsed:
		logging.debug('OnSspRequest parse error: {}'.format(remote_device_dbus))
		logging.error('OnSspRequest parse error: {}'.format(remote_device_dbus))
		return

		for observer in self.observers.values():
		observer.on_ssp_request(remote_device, class_of_device, variant, passkey)

		def OnPinRequest(self, remote_device_dbus, cod, min_16_digit):
		"""Handle PIN request callback."""
		parsed, remote_device = FlossAdapterClient.parse_dbus_device(remote_device_dbus)
		if not parsed:
		logging.error('OnPinRequest parse error: {}'.format(remote_device_dbus))
		return

		for observer in self.observers.values():
		observer.on_pin_request(remote_device, cod, min_16_digit)

		def OnPinDisplay(self, remote_device_dbus, pincode):
		"""Handle PIN display callback."""
		parsed, remote_device = FlossAdapterClient.parse_dbus_device(remote_device_dbus)
		if not parsed:
		logging.error('OnPinDisplay parse error: {}'.format(remote_device_dbus))
		return

		for observer in self.observers.values():
		observer.on_pin_display(remote_device, pincode)

		def OnBondStateChanged(self, status, address, state):
		"""Handle bond state changed callbacks."""
		for observer in self.observers.values():
		@@ -685,6 +738,15 @@ class FlossAdapterClient(BluetoothCallbacks, BluetoothConnectionCallbacks):
		remote_device = self._make_dbus_device(address, name)
		return bool(self.proxy().RemoveBond(remote_device))

		@utils.glib_call(None)
		def get_bonded_devices(self):
		"""Get all bonded devices.

		Returns:
		List of device addresses; None on DBus error.
		"""
		return self.proxy().GetBondedDevices()

		@utils.glib_call(False)
		def forget_device(self, address):
		"""Forgets device from local cache and removes bonding.
		@@ -716,6 +778,25 @@ class FlossAdapterClient(BluetoothCallbacks, BluetoothConnectionCallbacks):

		return True

		@utils.glib_call(False)
		def set_pin(self, address, accept, pin_code):
		"""Set pin on bonding device.

		Args:
		address: Device address to reply.
		accept: True to accept the pin request, False to reject the pin request.
		pin_code: PIN code to reply. The PIN code is a list of up to 16
		integers.
		"""
		if address not in self.known_devices:
		logging.debug('[%s] Unknown device in set_pin', address)
		return False

		device = self.known_devices[address]
		remote_device = self._make_dbus_device(address, device['name'])

		return self.proxy().SetPin(remote_device, accept, pin_code)

		@utils.glib_call(False)
		def set_pairing_confirmation(self, address, accept):
		"""Confirm that a pairing should be completed on a bonding device."""

floss/pandora/floss/floss_enums.py

+37 −2

Original line number	Diff line number	Diff line
		@@ -147,15 +147,22 @@ class Transport(enum.IntEnum):
		AUTO = 0
		BREDR = 1
		LE = 2
		DUAL = 3


		class SspVariant(enum.IntEnum):
		"""Bluetooth SSP variant type."""
		class PairingVariant(enum.IntEnum):
		"""Bluetooth pairing variant type."""
		# SSP variants.
		PASSKEY_CONFIRMATION = 0
		PASSKEY_ENTRY = 1
		CONSENT = 2
		PASSKEY_NOTIFICATION = 3

		# Legacy pairing variants.
		PIN_ENTRY = 4
		PIN_16_DIGITS_ENTRY = 5
		PIN_NOTIFICATION = 6


		class BleAddressType(enum.IntEnum):
		BLE_ADDR_PUBLIC = 0x00
		@@ -177,3 +184,31 @@ class CompanyIdentifiers(enum.IntEnum):
		Bluetooth SIG official document: https://www.bluetooth.com/specifications/assigned-numbers/
		"""
		GOOGLE = 0x00E0


		class AdvertisingDataType(enum.IntEnum):
		FLAGS = 0x01
		INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS = 0x02
		COMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS = 0x03
		INCOMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS = 0x04
		COMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS = 0x05
		INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS = 0x06
		COMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS = 0x07
		SHORTENED_LOCAL_NAME = 0x08
		COMPLETE_LOCAL_NAME = 0x09
		TX_POWER_LEVEL = 0x0A
		CLASS_OF_DEVICE = 0x0D
		SLAVE_CONNECTION_INTERVAL_RANGE = 0x12
		LIST_OF_16_BIT_SERVICE_SOLICITATION_UUIDS = 0x14
		LIST_OF_128_BIT_SERVICE_SOLICITATION_UUIDS = 0x15
		SERVICE_DATA_16_BIT_UUID = 0x16
		PUBLIC_TARGET_ADDRESS = 0x17
		RANDOM_TARGET_ADDRESS = 0x18
		APPEARANCE = 0x19
		ADVERTISING_INTERVAL = 0x1A
		LIST_OF_32_BIT_SERVICE_SOLICITATION_UUIDS = 0x1F
		SERVICE_DATA_32_BIT_UUID = 0x20
		SERVICE_DATA_128_BIT_UUID = 0x21
		URI = 0x24
		LE_SUPPORTED_FEATURES = 0x27
		MANUFACTURER_SPECIFIC_DATA = 0xFF

floss/pandora/floss/utils.py

+42 −0

Original line number	Diff line number	Diff line
		@@ -13,6 +13,8 @@
		# limitations under the License.
		"""All floss utils functions."""

		from typing import List, Optional

		import functools
		import logging
		import threading
		@@ -452,3 +454,43 @@ def create_observer_name(observer):
		# when we are able to use it.
		async def anext(ait):
		return await ait.__anext__()


		def parse_advertiging_data(adv_data: List[int]) -> host_pb2.DataTypes:
		index = 0
		data = host_pb2.DataTypes()

		# advertising data packet is repeated by many advertising data and each one with the following format:
		# \| Length (0) \| Type (1) \| Data Payload (2~N-1)
		# Take an advertising data packet [2, 1, 6, 5, 3, 0, 24, 1, 24] as an example,
		# The first 3 numbers 2, 1, 6:
		# 2 is the data length is 2 including the data type,
		# 1 is the data type is Flags (0x01),
		# 6 is the data payload.
		while index < len(adv_data):
		# Extract data length.
		data_length = adv_data[index]
		index = index + 1

		if data_length <= 0:
		break

		# Extract data type.
		data_type = adv_data[index]
		index = index + 1

		# Extract data payload.
		if data_type == floss_enums.AdvertisingDataType.COMPLETE_LOCAL_NAME:
		data.complete_local_name = parse_complete_local_name(adv_data[index:index + data_length - 1])
		logging.info('complete_local_name: %s', data.complete_local_name)
		else:
		logging.debug('Unsupported advertising data type to parse: %s', data_type)

		index = index + data_length - 1

		logging.info('Parsed data: %s', data)
		return data


		def parse_complete_local_name(data: List[int]) -> Optional[str]:
		return ''.join(chr(char) for char in data) if data else None

floss/pandora/server/bluetooth.py

+15 −4

Original line number	Diff line number	Diff line
		@@ -54,10 +54,6 @@ class Bluetooth(object):
		# self state
		self.is_clean = False

		# GRPC server state
		self.pairing_events: asyncio.Queue = None
		self.pairing_answers = None

		# DBUS clients
		self.manager_client = manager_client.FlossManagerClient(self.bus)
		self.adapter_client = adapter_client.FlossAdapterClient(self.bus, self.DEFAULT_ADAPTER)
		@@ -181,6 +177,9 @@ class Bluetooth(object):
		def get_address(self):
		return self.adapter_client.get_address()

		def get_remote_type(self):
		return self.adapter_client.get_remote_property('Type')

		def is_connected(self, address):
		return self.adapter_client.is_connected(address)

		@@ -196,6 +195,18 @@ class Bluetooth(object):
		def create_bond(self, address, transport):
		return self.adapter_client.create_bond(address, transport)

		def remove_bond(self, address):
		return self.adapter_client.remove_bond(address)

		def get_bonded_devices(self):
		return self.adapter_client.get_bonded_devices()

		def forget_device(self, address):
		return self.adapter_client.forget_device(address)

		def set_pin(self, address, accept, pin_code):
		return self.adapter_client.set_pin(address, accept, pin_code)

		def set_pairing_confirmation(self, address, accept):
		return self.adapter_client.set_pairing_confirmation(address, accept)

floss/pandora/server/host.py

+18 −1

Original line number	Diff line number	Diff line
		@@ -51,6 +51,16 @@ class HostService(host_grpc_aio.HostServicer):

		async def FactoryReset(self, request: empty_pb2.Empty, context: grpc.ServicerContext) -> empty_pb2.Empty:
		self.waited_connections.clear()

		devices = self.bluetooth.get_bonded_devices()
		if devices is None:
		logging.error('Failed to call get_bonded_devices.')
		else:
		for device in devices:
		address = device['address']
		logging.info('Forget device %s', address)
		self.bluetooth.forget_device(address)

		asyncio.create_task(self.server.stop(None))
		return empty_pb2.Empty()

		@@ -124,7 +134,7 @@ class HostService(host_grpc_aio.HostServicer):
		if address != self.task['address']:
		return

		if variant == floss_enums.SspVariant.CONSENT:
		if variant in (floss_enums.PairingVariant.CONSENT, floss_enums.PairingVariant.PASSKEY_CONFIRMATION):
		self.client.set_pairing_confirmation(address,
		True,
		method_callback=self.on_set_pairing_confirmation)
		@@ -176,6 +186,9 @@ class HostService(host_grpc_aio.HostServicer):

		if not success:
		raise RuntimeError(f'Failed to connect to the {address}. Reason: {reason}')

		if self.bluetooth.is_bonded(address) and self.bluetooth.is_connected(address):
		self.bluetooth.connect_device(address)
		finally:
		self.bluetooth.adapter_client.unregister_callback_observer(name, observer)

		@@ -461,6 +474,9 @@ class HostService(host_grpc_aio.HostServicer):
		elif scan_result['addr_type'] == floss_enums.BleAddressType.BLE_ADDR_RANDOM_ID:
		response.random_static_identity = address

		data = utils.parse_advertiging_data(scan_result['adv_data'])
		response.data.CopyFrom(data)

		# TODO: b/289480188 - Support more data if needed.
		mode = host_pb2.NOT_DISCOVERABLE
		if scan_result['flags'] & (1 << 0):
		@@ -470,6 +486,7 @@ class HostService(host_grpc_aio.HostServicer):
		else:
		mode = host_pb2.NOT_DISCOVERABLE
		response.data.le_discoverability_mode = mode

		yield response
		finally:
		if scanner_id is not None: