floss: Connect to newly discovered profiles if it is user initiated (31eca2cc) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/rust/linux/stack/src/bluetooth.rs

+197 −163

Original line number	Diff line number	Diff line
		@@ -316,6 +316,9 @@ pub enum DelayedActions {
		/// Connect to all supported profiles on target device.
		ConnectAllProfiles(BluetoothDevice),

		/// Connect to the specified profiles on target device.
		ConnectProfiles(Vec<Uuid>, BluetoothDevice),

		/// Scanner for BLE discovery is registered with given status and scanner id.
		BleDiscoveryScannerRegistered(Uuid, u8, GattStatus),

		@@ -373,12 +376,9 @@ struct BluetoothDeviceContext {
		pub last_seen: Instant,
		pub properties: HashMap<BtPropertyType, BluetoothProperty>,

		/// Keep track of whether services have been resolved.
		pub services_resolved: bool,

		/// If supported UUIDs weren't available in EIR, wait for services to be
		/// resolved to connect.
		pub wait_to_connect: bool,
		/// If user wants to connect to all profiles, when new profiles are discovered we will also try
		/// to connect them.
		pub connect_to_new_profiles: bool,
		}

		impl BluetoothDeviceContext {
		@@ -398,8 +398,7 @@ impl BluetoothDeviceContext {
		info,
		last_seen,
		properties: HashMap::new(),
		services_resolved: false,
		wait_to_connect: false,
		connect_to_new_profiles: false,
		};
		device.update_properties(&properties);
		device
		@@ -1104,6 +1103,10 @@ impl Bluetooth {
		self.connect_all_enabled_profiles(device);
		}

		DelayedActions::ConnectProfiles(uuids, device) => {
		self.connect_profiles_internal(&uuids, device);
		}

		DelayedActions::BleDiscoveryScannerRegistered(uuid, scanner_id, status) => {
		if let Some(app_uuid) = self.ble_scanner_uuid {
		if app_uuid == uuid {
		@@ -1140,6 +1143,10 @@ impl Bluetooth {
		};

		let device_info = BluetoothDevice::from_properties(&properties);
		self.check_new_property_and_potentially_connect_profiles(
		result.address,
		&properties,
		);

		self.remote_devices
		.entry(device_info.address)
		@@ -1285,6 +1292,177 @@ impl Bluetooth {
		\|\| self.active_pairing_address.is_some()
		\|\| self.pending_create_bond.is_some()
		}

		/// Checks whether the list of device properties contains some UUID we should connect now
		/// This function also connects those UUIDs.
		fn check_new_property_and_potentially_connect_profiles(
		&self,
		addr: RawAddress,
		properties: &Vec<BluetoothProperty>,
		) {
		// Return early if no need to connect new profiles
		if !self.remote_devices.get(&addr).map_or(false, \|d\| d.connect_to_new_profiles) {
		return;
		}

		// Get the reported UUIDs, if any. Otherwise return early.
		let mut new_uuids: Vec<Uuid> = vec![];
		for prop in properties.iter() {
		if let BluetoothProperty::Uuids(value) = prop {
		new_uuids.extend(value);
		}
		}
		if new_uuids.is_empty() {
		return;
		}

		// Only connect if the UUID is not seen before and it's supported
		let device = BluetoothDevice::new(addr, "".to_string());
		let current_uuids = self.get_remote_uuids(device.clone());
		new_uuids.retain(\|uuid\| !current_uuids.contains(uuid));

		let profile_known_and_supported = new_uuids.iter().any(\|uuid\| {
		if let Some(profile) = UuidHelper::is_known_profile(uuid) {
		return UuidHelper::is_profile_supported(&profile);
		}
		return false;
		});
		if !profile_known_and_supported {
		return;
		}

		log::info!("[{}]: Connecting to newly discovered profiles", DisplayAddress(&addr));
		let tx = self.tx.clone();
		tokio::spawn(async move {
		let _ = tx
		.send(Message::DelayedAdapterActions(DelayedActions::ConnectProfiles(
		new_uuids, device,
		)))
		.await;
		});
		}

		/// Connect these profiles of a peripheral device
		fn connect_profiles_internal(&mut self, uuids: &Vec<Uuid>, device: BluetoothDevice) {
		let addr = device.address;
		if !self.get_acl_state_by_addr(&addr) {
		// log ACL connection attempt if it's not already connected.
		metrics::acl_connect_attempt(addr, BtAclState::Connected);
		// Pause discovery before connecting, or the ACL connection request may conflict with
		// the ongoing inquiry.
		self.pause_discovery();
		}

		let mut has_supported_profile = false;
		let mut has_le_media_profile = false;
		let mut has_classic_media_profile = false;

		for uuid in uuids.iter() {
		match UuidHelper::is_known_profile(uuid) {
		Some(p) => {
		if UuidHelper::is_profile_supported(&p) {
		match p {
		Profile::Hid \| Profile::Hogp => {
		has_supported_profile = true;
		// TODO(b/328675014): Use BtAddrType
		// and BtTransport from
		// BluetoothDevice instead of default
		let status = self.hh.as_ref().unwrap().connect(
		&mut addr.clone(),
		BtAddrType::Public,
		BtTransport::Auto,
		);
		metrics::profile_connection_state_changed(
		addr,
		p as u32,
		BtStatus::Success,
		BthhConnectionState::Connecting as u32,
		);

		if status != BtStatus::Success {
		metrics::profile_connection_state_changed(
		addr,
		p as u32,
		status,
		BthhConnectionState::Disconnected as u32,
		);
		}
		}

		// TODO(b/317682584): implement policy to connect to LEA, VC, and CSIS
		Profile::LeAudio \| Profile::VolumeControl \| Profile::CoordinatedSet
		if !has_le_media_profile =>
		{
		has_le_media_profile = true;
		let txl = self.tx.clone();
		topstack::get_runtime().spawn(async move {
		let _ = txl
		.send(Message::Media(
		MediaActions::ConnectLeaGroupByMemberAddress(addr),
		))
		.await;
		});
		}

		Profile::A2dpSink \| Profile::A2dpSource \| Profile::Hfp
		if !has_classic_media_profile =>
		{
		has_supported_profile = true;
		has_classic_media_profile = true;
		let txl = self.tx.clone();
		topstack::get_runtime().spawn(async move {
		let _ =
		txl.send(Message::Media(MediaActions::Connect(addr))).await;
		});
		}

		Profile::Bas => {
		has_supported_profile = true;
		let tx = self.tx.clone();
		let device_context = match self.remote_devices.get(&addr) {
		Some(context) => context,
		None => continue,
		};

		let acl_state = device_context.ble_acl_state.clone();
		let bond_state = device_context.bond_state.clone();
		let device_to_send = device.clone();

		let transport = match self.get_remote_type(device.clone()) {
		BtDeviceType::Bredr => BtTransport::Bredr,
		BtDeviceType::Ble => BtTransport::Le,
		_ => device_context.acl_reported_transport.clone(),
		};
		topstack::get_runtime().spawn(async move {
		let _ = tx
		.send(Message::BatteryService(
		BatteryServiceActions::Connect(
		device_to_send,
		acl_state,
		bond_state,
		transport,
		),
		))
		.await;
		});
		}

		// We don't connect most profiles
		_ => (),
		}
		}
		}
		_ => {}
		}
		}

		// If the device does not have a profile that we are interested in connecting to, resume
		// discovery now. Other cases will be handled in the ACL connection state or bond state
		// callbacks.
		if !has_supported_profile {
		self.resume_discovery();
		}
		}
		}

		#[btif_callbacks_dispatcher(dispatch_base_callbacks, BaseCallbacks)]
		@@ -1576,6 +1754,7 @@ impl BtifBluetoothCallbacks for Bluetooth {

		fn device_found(&mut self, _n: i32, properties: Vec<BluetoothProperty>) {
		let device_info = BluetoothDevice::from_properties(&properties);
		self.check_new_property_and_potentially_connect_profiles(device_info.address, &properties);

		let device_info = self
		.remote_devices
		@@ -1760,7 +1939,6 @@ impl BtifBluetoothCallbacks for Bluetooth {
		let device_info = device.info.clone();

		// Since this is a newly bonded device, we also need to trigger SDP on it.
		device.services_resolved = false;
		self.fetch_remote_uuids(device_info.clone());
		if self.get_wake_allowed_device_bonded() {
		self.create_uhid_for_suspend_wakesource();
		@@ -1821,8 +1999,7 @@ impl BtifBluetoothCallbacks for Bluetooth {
		_num_properties: i32,
		properties: Vec<BluetoothProperty>,
		) {
		let txl = self.tx.clone();

		self.check_new_property_and_potentially_connect_profiles(addr, &properties);
		let device = self.remote_devices.entry(addr).or_insert(BluetoothDeviceContext::new(
		BtBondState::NotBonded,
		BtAclState::Disconnected,
		@@ -1839,30 +2016,6 @@ impl BtifBluetoothCallbacks for Bluetooth {

		let info = device.info.clone();

		if !device.services_resolved {
		let has_uuids = properties.iter().any(\|prop\| match prop {
		BluetoothProperty::Uuids(uu) => !uu.is_empty(),
		_ => false,
		});

		// Services are resolved when uuids are fetched.
		device.services_resolved \|= has_uuids;
		}

		if device.wait_to_connect && device.services_resolved {
		device.wait_to_connect = false;

		let sent_info = info.clone();
		let tx = txl.clone();
		tokio::spawn(async move {
		let _ = tx
		.send(Message::DelayedAdapterActions(DelayedActions::ConnectAllProfiles(
		sent_info,
		)))
		.await;
		});
		}

		self.callbacks.for_all_callbacks(\|callback\| {
		callback.on_device_properties_changed(
		info.clone(),
		@@ -1971,6 +2124,7 @@ impl BtifBluetoothCallbacks for Bluetooth {
		self.connection_callbacks.for_all_callbacks(\|callback\| {
		callback.on_device_disconnected(info.clone());
		});
		device.connect_to_new_profiles = false;
		}
		tokio::spawn(async move {
		let _ = txl.send(Message::OnDeviceDisconnected(info)).await;
		@@ -2617,138 +2771,14 @@ impl IBluetooth for Bluetooth {
		if !self.profiles_ready {
		return BtStatus::NotReady;
		}
		let addr = device.address;

		if !self.get_acl_state_by_addr(&addr) {
		// log ACL connection attempt if it's not already connected.
		metrics::acl_connect_attempt(addr, BtAclState::Connected);
		// Pause discovery before connecting, or the ACL connection request may conflict with
		// the ongoing inquiry.
		self.pause_discovery();
		}

		// Check all remote uuids to see if they match enabled profiles and connect them.
		let mut has_enabled_uuids = false;
		let mut has_classic_media_profile = false;
		let mut has_le_media_profile = false;
		let mut has_supported_profile = false;
		let uuids = self.get_remote_uuids(device.clone());
		for uuid in uuids.iter() {
		match UuidHelper::is_known_profile(uuid) {
		Some(p) => {
		if UuidHelper::is_profile_supported(&p) {
		match p {
		Profile::Hid \| Profile::Hogp => {
		has_supported_profile = true;
		// TODO(b/328675014): Use BtAddrType
		// and BtTransport from
		// BluetoothDevice instead of default
		let status = self.hh.as_ref().unwrap().connect(
		&mut addr.clone(),
		BtAddrType::Public,
		BtTransport::Auto,
		);
		metrics::profile_connection_state_changed(
		addr,
		p as u32,
		BtStatus::Success,
		BthhConnectionState::Connecting as u32,
		);
		self.connect_profiles_internal(&uuids, device.clone());

		if status != BtStatus::Success {
		metrics::profile_connection_state_changed(
		addr,
		p as u32,
		status,
		BthhConnectionState::Disconnected as u32,
		);
		}
		}

		// TODO(b/317682584): implement policy to connect to LEA, VC, and CSIS
		Profile::LeAudio \| Profile::VolumeControl \| Profile::CoordinatedSet
		if !has_le_media_profile =>
		{
		has_le_media_profile = true;
		let txl = self.tx.clone();
		topstack::get_runtime().spawn(async move {
		let _ = txl
		.send(Message::Media(
		MediaActions::ConnectLeaGroupByMemberAddress(addr),
		))
		.await;
		});
		}

		Profile::A2dpSink \| Profile::A2dpSource \| Profile::Hfp
		if !has_classic_media_profile =>
		{
		has_supported_profile = true;
		has_classic_media_profile = true;
		let txl = self.tx.clone();
		topstack::get_runtime().spawn(async move {
		let _ =
		txl.send(Message::Media(MediaActions::Connect(addr))).await;
		});
		}

		Profile::Bas => {
		has_supported_profile = true;
		let tx = self.tx.clone();
		let device_context = match self.remote_devices.get(&addr) {
		Some(context) => context,
		None => return BtStatus::RemoteDeviceDown,
		};

		let acl_state = device_context.ble_acl_state.clone();
		let bond_state = device_context.bond_state.clone();
		let device_to_send = device.clone();

		let transport = match self.get_remote_type(device.clone()) {
		BtDeviceType::Bredr => BtTransport::Bredr,
		BtDeviceType::Ble => BtTransport::Le,
		_ => device_context.acl_reported_transport.clone(),
		};
		topstack::get_runtime().spawn(async move {
		let _ = tx
		.send(Message::BatteryService(
		BatteryServiceActions::Connect(
		device_to_send,
		acl_state,
		bond_state,
		transport,
		),
		))
		.await;
		});
		}

		// We don't connect most profiles
		_ => (),
		}
		}
		has_enabled_uuids = true;
		}
		_ => {}
		}
		}

		// If SDP isn't completed yet, we wait for it to complete and retry the connection again.
		// Otherwise, this connection request is done, no retry is required.
		if !has_enabled_uuids {
		warn!("[{}] SDP hasn't completed for device, wait to connect.", DisplayAddress(&addr));
		if let Some(d) = self.remote_devices.get_mut(&addr) {
		if uuids.is_empty() \|\| !d.services_resolved {
		d.wait_to_connect = true;
		}
		}
		}

		// If the SDP has not been completed or the device does not have a profile that we are
		// interested in connecting to, resume discovery now. Other cases will be handled in the
		// ACL connection state or bond state callbacks.
		if !has_enabled_uuids \|\| !has_supported_profile {
		self.resume_discovery();
		// Also connect to profiles discovered in the future.
		if let Some(d) = self.remote_devices.get_mut(&device.address) {
		d.connect_to_new_profiles = true;
		}

		BtStatus::Success
		@@ -2853,6 +2883,10 @@ impl IBluetooth for Bluetooth {
		let _ = txl.send(Message::GattActions(GattActions::Disconnect(device))).await;
		});

		if let Some(d) = self.remote_devices.get_mut(&addr) {
		d.connect_to_new_profiles = false;
		}

		true
		}