Merge changes Idabb8939,Ibbd8e9a1,If246e311,I788c1f6b,I76858fd8 into main (2110c70f) · Commits · e / os / android_packages_modules_Bluetooth

framework/tests/bumble/AndroidTest.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@
		<option name="test-tag" value="BumbleBluetoothTests" />
		<test class="com.android.tradefed.testtype.AndroidJUnitTest" >
		<option name="package" value="android.bluetooth" />
		<option name="hidden-api-checks" value="false" />
		</test>

		<!-- Only run if the Bluetooth Mainline module is installed. -->

framework/tests/bumble/src/android/bluetooth/hid/HidHostDualModeTest.java

0 → 100644

+410 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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.
		*/

		package android.bluetooth;

		import static com.google.common.truth.Truth.assertThat;

		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.os.ParcelUuid;
		import android.platform.test.annotations.RequiresFlagsEnabled;
		import android.platform.test.flag.junit.CheckFlagsRule;
		import android.platform.test.flag.junit.DeviceFlagsValueProvider;
		import android.util.Log;

		import androidx.test.core.app.ApplicationProvider;
		import androidx.test.ext.junit.runners.AndroidJUnit4;

		import com.android.bluetooth.flags.Flags;
		import com.android.compatibility.common.util.AdoptShellPermissionsRule;

		import com.google.common.util.concurrent.SettableFuture;

		import org.junit.After;
		import org.junit.Before;
		import org.junit.Rule;
		import org.junit.Test;
		import org.junit.runner.RunWith;

		import pandora.HIDGrpc;
		import pandora.HostProto.AdvertiseRequest;
		import pandora.HostProto.OwnAddressType;

		/** Test cases for {@link Hid Host}. */
		@RunWith(AndroidJUnit4.class)
		public class HidHostDualModeTest {
		private static final String TAG = "HidHostDualModeTest";
		private SettableFuture<Integer> mFutureConnectionIntent,
		mFutureBondIntent,
		mFutureHandShakeIntent,
		mFutureReportIntent,
		mFutureProtocolModeIntent,
		mFutureTransportIntent;
		private SettableFuture<Boolean> mFutureHogpServiceIntent;
		private BluetoothDevice mDevice;
		private BluetoothHidHost mHidService;
		private BluetoothHeadset mHfpService;
		private BluetoothA2dp mA2dpService;
		private final Context mContext = ApplicationProvider.getApplicationContext();
		private final BluetoothManager mManager = mContext.getSystemService(BluetoothManager.class);
		private final BluetoothAdapter mAdapter = mManager.getAdapter();
		private HIDGrpc.HIDBlockingStub mHidBlockingStub;
		private byte mReportId;
		private static final int KEYBD_RPT_ID = 1;
		private static final int KEYBD_RPT_SIZE = 9;
		private static final int MOUSE_RPT_ID = 2;
		private static final int MOUSE_RPT_SIZE = 4;

		@Rule(order = 0)
		public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();

		@Rule(order = 1)
		public final AdoptShellPermissionsRule mPermissionRule = new AdoptShellPermissionsRule();

		@Rule(order = 2)
		public final PandoraDevice mBumble = new PandoraDevice();

		private BroadcastReceiver mHidStateReceiver =
		new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		switch (intent.getAction()) {
		case BluetoothHidHost.ACTION_CONNECTION_STATE_CHANGED:
		int state =
		intent.getIntExtra(
		BluetoothProfile.EXTRA_STATE, BluetoothAdapter.ERROR);
		int transport =
		intent.getIntExtra(
		BluetoothDevice.EXTRA_TRANSPORT,
		BluetoothDevice.TRANSPORT_AUTO);
		Log.i(
		TAG,
		"Connection state change: "
		+ state
		+ "transport: "
		+ transport);
		if (state == BluetoothProfile.STATE_CONNECTED
		\|\| state == BluetoothProfile.STATE_DISCONNECTED) {
		if (mFutureConnectionIntent != null) {
		mFutureConnectionIntent.set(state);
		}
		if (state == BluetoothProfile.STATE_CONNECTED
		&& mFutureTransportIntent != null) {
		mFutureTransportIntent.set(transport);
		}
		}
		break;
		case BluetoothDevice.ACTION_PAIRING_REQUEST:
		mBumble.getRemoteDevice().setPairingConfirmation(true);
		break;
		case BluetoothDevice.ACTION_BOND_STATE_CHANGED:
		int bondState =
		intent.getIntExtra(
		BluetoothDevice.EXTRA_BOND_STATE,
		BluetoothDevice.ERROR);
		Log.i(TAG, "Bond state change:" + bondState);
		if (bondState == BluetoothDevice.BOND_BONDED
		\|\| bondState == BluetoothDevice.BOND_NONE) {
		if (mFutureBondIntent != null) {
		mFutureBondIntent.set(bondState);
		}
		}
		break;
		case BluetoothDevice.ACTION_UUID:
		ParcelUuid[] parcelUuids =
		intent.getParcelableArrayExtra(
		BluetoothDevice.EXTRA_UUID, ParcelUuid.class);
		for (int i = 0; i < parcelUuids.length; i++) {
		Log.d(TAG, "UUIDs : index=" + i + " uuid=" + parcelUuids[i]);
		if (parcelUuids[i].equals(BluetoothUuid.HOGP)) {
		if (mFutureHogpServiceIntent != null) {
		mFutureHogpServiceIntent.set(true);
		}
		}
		}
		break;
		case BluetoothHidHost.ACTION_PROTOCOL_MODE_CHANGED:
		int protocolMode =
		intent.getIntExtra(
		BluetoothHidHost.EXTRA_PROTOCOL_MODE,
		BluetoothHidHost.PROTOCOL_UNSUPPORTED_MODE);
		Log.i(TAG, "Protocol mode:" + protocolMode);
		if (mFutureProtocolModeIntent != null) {
		mFutureProtocolModeIntent.set(protocolMode);
		}
		break;
		case BluetoothHidHost.ACTION_HANDSHAKE:
		int handShake =
		intent.getIntExtra(
		BluetoothHidHost.EXTRA_STATUS,
		BluetoothHidDevice.ERROR_RSP_UNKNOWN);
		Log.i(TAG, "Handshake status:" + handShake);
		if (mFutureHandShakeIntent != null) {
		mFutureHandShakeIntent.set(handShake);
		}
		break;
		case BluetoothHidHost.ACTION_REPORT:
		byte[] report = intent.getByteArrayExtra(BluetoothHidHost.EXTRA_REPORT);
		int reportSize =
		intent.getIntExtra(
		BluetoothHidHost.EXTRA_REPORT_BUFFER_SIZE, 0);
		mReportId = report[0];
		if (mFutureReportIntent != null) {
		mFutureReportIntent.set((reportSize - 1));
		}
		break;
		default:
		break;
		}
		}
		};

		// These callbacks run on the main thread.
		private final BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
		new BluetoothProfile.ServiceListener() {

		@Override
		public void onServiceConnected(int profile, BluetoothProfile proxy) {
		switch (profile) {
		case BluetoothProfile.HEADSET:
		mHfpService = (BluetoothHeadset) proxy;
		break;
		case BluetoothProfile.A2DP:
		mA2dpService = (BluetoothA2dp) proxy;
		break;
		case BluetoothProfile.HID_HOST:
		mHidService = (BluetoothHidHost) proxy;
		break;
		default:
		break;
		}
		}

		@Override
		public void onServiceDisconnected(int profile) {}
		};

		@Before
		public void setUp() throws Exception {
		final IntentFilter filter = new IntentFilter();
		filter.addAction(BluetoothHidHost.ACTION_CONNECTION_STATE_CHANGED);
		filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
		filter.addAction(BluetoothDevice.ACTION_PAIRING_REQUEST);
		filter.addAction(BluetoothDevice.ACTION_UUID);
		filter.addAction(BluetoothHidHost.ACTION_PROTOCOL_MODE_CHANGED);
		filter.addAction(BluetoothHidHost.ACTION_HANDSHAKE);
		filter.addAction(BluetoothHidHost.ACTION_REPORT);
		mContext.registerReceiver(mHidStateReceiver, filter);
		mAdapter.getProfileProxy(
		mContext, mBluetoothProfileServiceListener, BluetoothProfile.HID_HOST);
		mAdapter.getProfileProxy(mContext, mBluetoothProfileServiceListener, BluetoothProfile.A2DP);
		mAdapter.getProfileProxy(
		mContext, mBluetoothProfileServiceListener, BluetoothProfile.HEADSET);
		mHidBlockingStub = mBumble.hidBlocking();
		AdvertiseRequest request =
		AdvertiseRequest.newBuilder()
		.setLegacy(true)
		.setConnectable(true)
		.setOwnAddressType(OwnAddressType.RANDOM)
		.build();
		mBumble.hostBlocking().advertise(request);

		mFutureConnectionIntent = SettableFuture.create();

		mDevice = mBumble.getRemoteDevice();
		assertThat(mDevice.createBond()).isTrue();
		assertThat(mFutureConnectionIntent.get()).isEqualTo(BluetoothProfile.STATE_CONNECTED);
		if (mA2dpService != null) {
		assertThat(
		mA2dpService.setConnectionPolicy(
		mDevice, BluetoothProfile.CONNECTION_POLICY_FORBIDDEN))
		.isTrue();
		}
		if (mHfpService != null) {
		assertThat(
		mHfpService.setConnectionPolicy(
		mDevice, BluetoothProfile.CONNECTION_POLICY_FORBIDDEN))
		.isTrue();
		}
		mFutureHogpServiceIntent = SettableFuture.create();
		assertThat(mFutureHogpServiceIntent.get()).isTrue();
		assertThat(mHidService.getPreferredTransport(mDevice))
		.isEqualTo(BluetoothDevice.TRANSPORT_BREDR);
		// LE transport
		mFutureTransportIntent = SettableFuture.create();
		mHidService.setPreferredTransport(mDevice, BluetoothDevice.TRANSPORT_LE);
		// Verifies BREDR transport Disconnected
		mFutureConnectionIntent = SettableFuture.create();
		assertThat(mFutureConnectionIntent.get()).isEqualTo(BluetoothProfile.STATE_DISCONNECTED);

		assertThat(mFutureTransportIntent.get()).isEqualTo(BluetoothDevice.TRANSPORT_LE);
		assertThat(mHidService.getPreferredTransport(mDevice))
		.isEqualTo(BluetoothDevice.TRANSPORT_LE);
		}

		@After
		public void tearDown() throws Exception {
		if (mDevice.getBondState() == BluetoothDevice.BOND_BONDED) {
		mFutureBondIntent = SettableFuture.create();
		mDevice.removeBond();
		assertThat(mFutureBondIntent.get()).isEqualTo(BluetoothDevice.BOND_NONE);
		}
		mContext.unregisterReceiver(mHidStateReceiver);
		}

		/**
		* Test HID Preferred transport selection Test case
		*
		* <ol>
		* <li>1. Android to creates bonding and HID connected with default transport.
		* <li>2. Android switch the transport to LE and Verifies the transport
		* <li>3. Android switch the transport to BR/EDR and Verifies the transport
		* </ol>
		*/
		@Test
		@RequiresFlagsEnabled({
		Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP,
		Flags.FLAG_SAVE_INITIAL_HID_CONNECTION_POLICY
		})
		public void setPreferredTransportTest() throws Exception {

		// BREDR transport
		mFutureTransportIntent = SettableFuture.create();
		mHidService.setPreferredTransport(mDevice, BluetoothDevice.TRANSPORT_BREDR);
		// Verifies LE transport Disconnected
		mFutureConnectionIntent = SettableFuture.create();
		assertThat(mFutureConnectionIntent.get()).isEqualTo(BluetoothProfile.STATE_DISCONNECTED);

		assertThat(mFutureTransportIntent.get()).isEqualTo(BluetoothDevice.TRANSPORT_BREDR);
		assertThat(mHidService.getPreferredTransport(mDevice))
		.isEqualTo(BluetoothDevice.TRANSPORT_BREDR);
		}

		/**
		* Test Get Report
		*
		* <ol>
		* <li>1. Android creates bonding and connect the HID Device
		* <li>2. Android get report and verifies the report
		* </ol>
		*/
		@Test
		@RequiresFlagsEnabled({
		Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP,
		Flags.FLAG_SAVE_INITIAL_HID_CONNECTION_POLICY
		})
		public void hogpGetReportTest() throws Exception {

		// Keyboard report
		byte id = KEYBD_RPT_ID;
		mHidService.getReport(mDevice, BluetoothHidHost.REPORT_TYPE_INPUT, id, (int) 0);
		mFutureReportIntent = SettableFuture.create();
		assertThat(mFutureReportIntent.get()).isEqualTo(KEYBD_RPT_SIZE);
		assertThat(mReportId).isEqualTo(KEYBD_RPT_ID);

		// Mouse report
		id = MOUSE_RPT_ID;
		mHidService.getReport(mDevice, BluetoothHidHost.REPORT_TYPE_INPUT, id, (int) 0);
		mFutureReportIntent = SettableFuture.create();
		assertThat(mFutureReportIntent.get()).isEqualTo(MOUSE_RPT_SIZE);
		assertThat(mReportId).isEqualTo(MOUSE_RPT_ID);
		}

		/**
		* Test Get Protocol mode
		*
		* <ol>
		* <li>1. Android creates bonding and connect the HID Device
		* <li>2. Android Gets the Protocol mode and verifies the mode
		* </ol>
		*/
		@Test
		@RequiresFlagsEnabled({
		Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP,
		Flags.FLAG_SAVE_INITIAL_HID_CONNECTION_POLICY
		})
		public void hogpGetProtocolModeTest() throws Exception {
		mHidService.getProtocolMode(mDevice);
		mFutureProtocolModeIntent = SettableFuture.create();
		assertThat(mFutureProtocolModeIntent.get())
		.isEqualTo(BluetoothHidHost.PROTOCOL_REPORT_MODE);
		}

		/**
		* Test Set Protocol mode
		*
		* <ol>
		* <li>1. Android creates bonding and connect the HID Device
		* <li>2. Android Sets the Protocol mode and verifies the mode
		* </ol>
		*/
		@Test
		@RequiresFlagsEnabled({
		Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP,
		Flags.FLAG_SAVE_INITIAL_HID_CONNECTION_POLICY
		})
		public void hogpSetProtocolModeTest() throws Exception {
		mHidService.setProtocolMode(mDevice, BluetoothHidHost.PROTOCOL_BOOT_MODE);
		mFutureHandShakeIntent = SettableFuture.create();
		assertThat(mFutureHandShakeIntent.get()).isEqualTo(BluetoothHidDevice.ERROR_RSP_SUCCESS);
		}

		/**
		* Test Set Report
		*
		* <ol>
		* <li>1. Android creates bonding and connect the HID Device
		* <li>2. Android Set report and verifies the report
		* </ol>
		*/
		@Test
		@RequiresFlagsEnabled({
		Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP,
		Flags.FLAG_SAVE_INITIAL_HID_CONNECTION_POLICY
		})
		public void hogpSetReportTest() throws Exception {
		// Keyboard report
		mHidService.setReport(mDevice, BluetoothHidHost.REPORT_TYPE_INPUT, "010203040506070809");
		mFutureHandShakeIntent = SettableFuture.create();
		assertThat(mFutureHandShakeIntent.get()).isEqualTo(BluetoothHidDevice.ERROR_RSP_SUCCESS);
		// Mouse report
		mHidService.setReport(mDevice, BluetoothHidHost.REPORT_TYPE_INPUT, "02030405");
		mFutureHandShakeIntent = SettableFuture.create();
		assertThat(mFutureHandShakeIntent.get()).isEqualTo(BluetoothHidDevice.ERROR_RSP_SUCCESS);
		}

		/**
		* Test Virtual Unplug from Hid Host
		*
		* <ol>
		* <li>1. Android creates bonding and connect the HID Device
		* <li>2. Android Virtual Unplug and verifies Bonding
		* </ol>
		*/
		@Test
		@RequiresFlagsEnabled({
		Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP,
		Flags.FLAG_SAVE_INITIAL_HID_CONNECTION_POLICY
		})
		public void hogpVirtualUnplugFromHidHostTest() throws Exception {
		mHidService.virtualUnplug(mDevice);
		mFutureBondIntent = SettableFuture.create();
		assertThat(mFutureBondIntent.get()).isEqualTo(BluetoothDevice.BOND_NONE);
		}
		}

framework/tests/bumble/src/android/bluetooth/hid/HidHostTest.java

+294 −60

File changed.

Preview size limit exceeded, changes collapsed.

pandora/interfaces/pandora_experimental/hid.proto

+25 −1

Original line number	Diff line number	Diff line
		@@ -15,8 +15,11 @@ service HID {
		rpc VirtualCableUnplugHost(google.protobuf.Empty) returns (google.protobuf.Empty);
		// Send a SET_REPORT command, acting as a HID host, to a connected HID device
		rpc SendHostReport(SendHostReportRequest) returns (SendHostReportResponse);
		// receive Protocol Mode Event
		rpc OnSetProtocolMode(google.protobuf.Empty) returns (stream ProtocolModeEvent);
		// receive Report Event
		rpc OnSetReport(google.protobuf.Empty) returns (stream ReportEvent);
		}

		// Enum values match those in BluetoothHidHost.java
		enum HidReportType {
		HID_REPORT_TYPE_UNSPECIFIED = 0;
		@@ -24,6 +27,17 @@ enum HidReportType {
		HID_REPORT_TYPE_OUTPUT = 2;
		HID_REPORT_TYPE_FEATURE = 3;
		}
		// Enum values match those in BluetoothHidHost.java
		enum ProtocolMode {
		PROTOCOL_REPORT_MODE = 0;
		PROTOCOL_BOOT_MODE = 1;
		PROTOCOL_UNSUPPORTED_MODE = 255;
		}
		enum HidReportId {
		HID_KEYBD_RPT_ID = 0;
		HID_MOUSE_RPT_ID = 1;
		HID_INVALID_RPT_ID = 3;
		}

		message SendHostReportRequest {
		bytes address = 1;
		@@ -34,3 +48,13 @@ message SendHostReportRequest {
		message SendHostReportResponse {

		}

		message ProtocolModeEvent {
		ProtocolMode protocol_mode = 1;
		}

		message ReportEvent {
		HidReportType report_type = 1;
		HidReportId report_id = 2;
		string report_data = 3;
		}

pandora/server/bumble_experimental/hid.py

+83 −6

Original line number	Diff line number	Diff line
		@@ -11,6 +11,14 @@ from google.protobuf import empty_pb2 # pytype: disable=pyi-error
		from pandora_experimental.hid_grpc_aio import HIDServicer

		from bumble.pandora import utils
		from pandora_experimental.hid_pb2 import (
		ProtocolModeEvent,
		ReportEvent,
		PROTOCOL_REPORT_MODE,
		PROTOCOL_BOOT_MODE,
		PROTOCOL_UNSUPPORTED_MODE,
		)

		from bumble.core import (
		BT_BR_EDR_TRANSPORT,
		BT_L2CAP_PROTOCOL_ID,
		@@ -489,20 +497,30 @@ def sdp_records():

		# -----------------------------------------------------------------------------
		def hogp_device(device):
		global input_report_characteristic
		# Create an 'input report' characteristic to send keyboard reports to the host
		input_report_characteristic = Characteristic(
		input_report_kb_characteristic = Characteristic(
		GATT_REPORT_CHARACTERISTIC,
		Characteristic.Properties.READ \| Characteristic.Properties.WRITE \| Characteristic.Properties.NOTIFY,
		Characteristic.READABLE \| Characteristic.WRITEABLE,
		bytes([0, 0, 0, 0, 0, 0, 0, 0]),
		bytes([0, 0, 0, 0, 0, 0, 0, 0, 0]),
		[Descriptor(
		GATT_REPORT_REFERENCE_DESCRIPTOR,
		Descriptor.READABLE,
		bytes([0x01, HID_INPUT_REPORT]),
		)],
		)

		# Create an 'input report' characteristic to send mouse reports to the host
		input_report_mouse_characteristic = Characteristic(
		GATT_REPORT_CHARACTERISTIC,
		Characteristic.Properties.READ \| Characteristic.Properties.WRITE \| Characteristic.Properties.NOTIFY,
		Characteristic.READABLE \| Characteristic.WRITEABLE,
		bytes([0, 0, 0, 0]),
		[Descriptor(
		GATT_REPORT_REFERENCE_DESCRIPTOR,
		Descriptor.READABLE,
		bytes([0x02, HID_INPUT_REPORT]),
		)],
		)
		# Create an 'output report' characteristic to receive keyboard reports from the host
		output_report_characteristic = Characteristic(
		GATT_REPORT_CHARACTERISTIC,
		@@ -558,7 +576,8 @@ def hogp_device(device):
		Characteristic.READABLE,
		HID_KEYBOARD_REPORT_MAP,
		),
		input_report_characteristic,
		input_report_kb_characteristic,
		input_report_mouse_characteristic,
		output_report_characteristic,
		],
		),
		@@ -630,6 +649,12 @@ def on_set_report_cb(report_id: int, report_type: int, report_size: int, data: b
		logging.info("SET_REPORT report_id: " + str(report_id) + "report_type: " + str(report_type) + "report_size " +
		str(report_size) + "data:" + str(data))

		report = ReportEvent()
		report.report_type = report_type
		report.report_id = report_id
		report.report_data = str(data.hex())
		hid_report_queue.put_nowait(report)

		if report_type == Message.ReportType.FEATURE_REPORT:
		retValue.status = hid_device.GetSetReturn.ERR_INVALID_PARAMETER
		elif report_type == Message.ReportType.INPUT_REPORT:
		@@ -657,7 +682,15 @@ def on_get_protocol_cb():
		def on_set_protocol_cb(protocol: int):
		retValue = hid_device.GetSetStatus()
		# We do not support SET_PROTOCOL.
		logging.info(f"SET_PROTOCOL report_id: {protocol}")
		logging.info(f"SET_PROTOCOL mode: {protocol}")
		mode = ProtocolModeEvent()
		if protocol == PROTOCOL_REPORT_MODE:
		mode.protocol_mode = PROTOCOL_REPORT_MODE
		elif protocol == PROTOCOL_BOOT_MODE:
		mode.protocol_mode = PROTOCOL_BOOT_MODE
		else:
		mode.protocol_mode = PROTOCOL_UNSUPPORTED_MODE
		hid_protoMode_queue.put_nowait(mode)
		retValue.status = hid_device.GetSetReturn.ERR_UNSUPPORTED_REQUEST
		return retValue

		@@ -667,6 +700,9 @@ def on_virtual_cable_unplug_cb():
		asyncio.create_task(handle_virtual_cable_unplug())


		hid_protoMode_queue = None


		# This class implements the Hid Pandora interface.
		class HIDService(HIDServicer):

		@@ -676,6 +712,7 @@ class HIDService(HIDServicer):
		super().__init__()
		self.device = device
		self.device.sdp_service_records.update(sdp_records())
		self.event_queue: Optional[asyncio.Queue[ProtocolModeEvent]] = None
		hogp_device(self.device)
		logging.info(f'Hid device register: ')
		global hid_device
		@@ -742,3 +779,43 @@ class HIDService(HIDServicer):
		logging.exception(f'Device does not exist')
		raise e
		return empty_pb2.Empty()

		@utils.rpc
		async def OnSetProtocolMode(self, request: empty_pb2.Empty,
		context: grpc.ServicerContext) -> AsyncGenerator[ProtocolModeEvent, None]:
		logging.info(f'OnSetProtocolMode')

		if self.event_queue is not None:
		raise RuntimeError('already streaming OnSetProtocolMode events')

		self.event_queue = asyncio.Queue()
		global hid_protoMode_queue
		hid_protoMode_queue = self.event_queue

		try:
		while event := await hid_protoMode_queue.get():
		yield event

		finally:
		self.event_queue = None
		hid_protoMode_queue = None

		@utils.rpc
		async def OnSetReport(self, request: empty_pb2.Empty,
		context: grpc.ServicerContext) -> AsyncGenerator[ReportEvent, None]:
		logging.info(f'OnSetReport')

		if self.event_queue is not None:
		raise RuntimeError('already streaming OnSetReport events')

		self.event_queue = asyncio.Queue()
		global hid_report_queue
		hid_report_queue = self.event_queue

		try:
		while event := await hid_report_queue.get():
		yield event

		finally:
		self.event_queue = None
		hid_report_queue = None