Merge "[Pandora] Add ASHA music streaming test" am: 851cda3560 (7029d359) · Commits · e / os / android_packages_modules_Bluetooth

android/pandora/server/src/com/android/pandora/Asha.kt

0 → 100644

+258 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 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 com.android.pandora

		import android.bluetooth.BluetoothAdapter
		import android.bluetooth.BluetoothHearingAid
		import android.bluetooth.BluetoothManager
		import android.bluetooth.BluetoothProfile
		import android.content.Context
		import android.content.Intent
		import android.content.IntentFilter
		import android.media.AudioDeviceCallback
		import android.media.AudioDeviceInfo
		import android.media.AudioManager
		import android.media.AudioRouting
		import android.media.AudioTrack
		import android.os.Handler
		import android.os.Looper
		import android.util.Log
		import io.grpc.Status
		import io.grpc.stub.StreamObserver
		import java.io.Closeable
		import kotlinx.coroutines.CoroutineScope
		import kotlinx.coroutines.Dispatchers
		import kotlinx.coroutines.cancel
		import kotlinx.coroutines.channels.awaitClose
		import kotlinx.coroutines.channels.trySendBlocking
		import kotlinx.coroutines.flow.Flow
		import kotlinx.coroutines.flow.SharingStarted
		import kotlinx.coroutines.flow.callbackFlow
		import kotlinx.coroutines.flow.filter
		import kotlinx.coroutines.flow.first
		import kotlinx.coroutines.flow.map
		import kotlinx.coroutines.flow.shareIn
		import pandora.asha.AshaGrpc.AshaImplBase
		import pandora.asha.AshaProto.*

		@kotlinx.coroutines.ExperimentalCoroutinesApi
		class Asha(val context: Context) : AshaImplBase(), Closeable {
		private val TAG = "PandoraAsha"
		private val scope: CoroutineScope
		private val flow: Flow<Intent>

		private val bluetoothManager =
		context.getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager
		private val bluetoothHearingAid =
		getProfileProxy<BluetoothHearingAid>(context, BluetoothProfile.HEARING_AID)
		private val bluetoothAdapter = bluetoothManager.adapter
		private val audioManager = context.getSystemService(AudioManager::class.java)!!

		private var audioTrack: AudioTrack? = null

		init {
		// Init the CoroutineScope
		scope = CoroutineScope(Dispatchers.Default)
		val intentFilter = IntentFilter()
		intentFilter.addAction(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED)
		flow = intentFlow(context, intentFilter).shareIn(scope, SharingStarted.Eagerly)
		}

		override fun close() {
		// Deinit the CoroutineScope
		scope.cancel()
		}

		override fun waitPeripheral(
		request: WaitPeripheralRequest,
		responseObserver: StreamObserver<WaitPeripheralResponse>
		) {
		grpcUnary<WaitPeripheralResponse>(scope, responseObserver) {
		Log.i(TAG, "waitPeripheral")

		val device = request.connection.toBluetoothDevice(bluetoothAdapter)
		Log.d(TAG, "connection address ${device.getAddress()}")

		if (bluetoothHearingAid.getConnectionState(device) != BluetoothProfile.STATE_CONNECTED) {
		Log.d(TAG, "wait for bluetoothHearingAid profile connection")
		flow
		.filter { it.getAction() == BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED }
		.filter { it.getBluetoothDeviceExtra() == device }
		.map { it.getIntExtra(BluetoothProfile.EXTRA_STATE, BluetoothAdapter.ERROR) }
		.filter { it == BluetoothProfile.STATE_CONNECTED }
		.first()
		}

		WaitPeripheralResponse.getDefaultInstance()
		}
		}

		override fun start(request: StartRequest, responseObserver: StreamObserver<StartResponse>) {
		grpcUnary<StartResponse>(scope, responseObserver) {
		Log.i(TAG, "play")

		// wait until BluetoothHearingAid profile is connected
		val device = request.connection.toBluetoothDevice(bluetoothAdapter)
		Log.d(TAG, "connection address ${device.getAddress()}")

		if (bluetoothHearingAid.getConnectionState(device) != BluetoothProfile.STATE_CONNECTED) {
		throw RuntimeException("Hearing aid device is not connected, cannot start")
		}

		// wait for hearing aid is added as an audio device
		val audioDeviceAddedFlow = callbackFlow {
		val outputDevices = audioManager.getDevices(AudioManager.GET_DEVICES_OUTPUTS)
		for (outputDevice in outputDevices) {
		if (
		outputDevice.type == AudioDeviceInfo.TYPE_HEARING_AID &&
		outputDevice.address.equals(device.getAddress())
		) {
		trySendBlocking(null)
		}
		}

		val audioDeviceCallback =
		object : AudioDeviceCallback() {
		override fun onAudioDevicesAdded(addedDevices: Array<out AudioDeviceInfo>) {
		for (addedDevice in addedDevices) {
		if (
		addedDevice.type == AudioDeviceInfo.TYPE_HEARING_AID &&
		addedDevice.address.equals(device.getAddress())
		) {
		Log.d(TAG, "TYPE_HEARING_AID added with address: ${addedDevice.address}")
		trySendBlocking(null)
		}
		}
		}
		}

		audioManager.registerAudioDeviceCallback(
		audioDeviceCallback,
		Handler(Looper.getMainLooper())
		)
		awaitClose { audioManager.unregisterAudioDeviceCallback(audioDeviceCallback) }
		}
		audioDeviceAddedFlow.first()

		if (audioTrack == null) {
		audioTrack = buildAudioTrack()
		Log.i(TAG, "buildAudioTrack")
		}
		audioTrack!!.play()

		// wait for hearing aid is selected as routed device
		val audioRoutingFlow = callbackFlow {
		if (audioTrack!!.routedDevice.type == AudioDeviceInfo.TYPE_HEARING_AID) {
		Log.d(TAG, "already route to TYPE_HEARING_AID")
		trySendBlocking(null)
		}

		val audioRoutingListener =
		object : AudioRouting.OnRoutingChangedListener {
		override fun onRoutingChanged(router: AudioRouting) {
		if (router.routedDevice.type == AudioDeviceInfo.TYPE_HEARING_AID) {
		Log.d(TAG, "Route to TYPE_HEARING_AID")
		trySendBlocking(null)
		} else {
		val outputDevices = audioManager.getDevices(AudioManager.GET_DEVICES_OUTPUTS)
		for (outputDevice in outputDevices) {
		Log.d(TAG, "available output device in listener:${outputDevice.type}")
		if (outputDevice.type == AudioDeviceInfo.TYPE_HEARING_AID) {
		val result = router.setPreferredDevice(outputDevice)
		Log.d(TAG, "setPreferredDevice result:$result")
		trySendBlocking(null)
		}
		}
		}
		}
		}

		audioTrack!!.addOnRoutingChangedListener(
		audioRoutingListener,
		Handler(Looper.getMainLooper())
		)
		awaitClose { audioTrack!!.removeOnRoutingChangedListener(audioRoutingListener) }
		}
		audioRoutingFlow.first()

		val minVolume = audioManager.getStreamMinVolume(AudioManager.STREAM_MUSIC)
		audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, minVolume, AudioManager.FLAG_SHOW_UI)

		StartResponse.getDefaultInstance()
		}
		}

		override fun stop(request: StopRequest, responseObserver: StreamObserver<StopResponse>) {
		grpcUnary<StopResponse>(scope, responseObserver) {
		Log.i(TAG, "stop")
		audioTrack!!.pause()
		audioTrack!!.flush()

		StopResponse.getDefaultInstance()
		}
		}

		override fun playbackAudio(
		responseObserver: StreamObserver<PlaybackAudioResponse>
		): StreamObserver<PlaybackAudioRequest> {
		Log.i(TAG, "playbackAudio")
		if (audioTrack!!.getPlayState() != AudioTrack.PLAYSTATE_PLAYING) {
		responseObserver.onError(
		Status.UNKNOWN.withDescription("AudioTrack is not started").asException()
		)
		}

		// Volume is maxed out to avoid any amplitude modification of the provided audio data,
		// enabling the test runner to do comparisons between input and output audio signal.
		// Any volume modification should be done before providing the audio data.
		if (audioManager.isVolumeFixed) {
		Log.w(TAG, "Volume is fixed, cannot max out the volume")
		} else {
		val maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC)
		if (audioManager.getStreamVolume(AudioManager.STREAM_MUSIC) < maxVolume) {
		audioManager.setStreamVolume(
		AudioManager.STREAM_MUSIC,
		maxVolume,
		AudioManager.FLAG_SHOW_UI
		)
		}
		}

		return object : StreamObserver<PlaybackAudioRequest> {
		override fun onNext(request: PlaybackAudioRequest) {
		val data = request.data.toByteArray()
		Log.d(TAG, "audio track writes data=$data")
		val written = synchronized(audioTrack!!) { audioTrack!!.write(data, 0, data.size) }
		if (written != data.size) {
		Log.e(TAG, "AudioTrack write failed")
		responseObserver.onError(
		Status.UNKNOWN.withDescription("AudioTrack write failed").asException()
		)
		}
		}
		override fun onError(t: Throwable?) {
		Log.e(TAG, t.toString())
		responseObserver.onError(t)
		}
		override fun onCompleted() {
		Log.i(TAG, "onCompleted")
		responseObserver.onNext(PlaybackAudioResponse.getDefaultInstance())
		responseObserver.onCompleted()
		}
		}
		}
		}

android/pandora/server/src/com/android/pandora/Server.kt

+1 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,7 @@ class Server(context: Context) {
		mapOf(
		BluetoothProfile.A2DP to ::A2dp,
		BluetoothProfile.A2DP_SINK to ::A2dpSink,
		BluetoothProfile.HEARING_AID to ::Asha,
		BluetoothProfile.AVRCP to ::Avrcp,
		BluetoothProfile.GATT to ::Gatt,
		BluetoothProfile.HEADSET to ::Hfp,

android/pandora/test/asha_test.py

+243 −21

Original line number	Diff line number	Diff line
		@@ -21,19 +21,22 @@ import logging
		from avatar import BumblePandoraDevice, PandoraDevice, PandoraDevices, asynchronous, bumble_server
		from bumble.gatt import GATT_ASHA_SERVICE
		from bumble.smp import PairingDelegate
		from bumble_experimental.asha import ASHAService
		from bumble_experimental.asha import AshaGattService, AshaService
		from mobly import base_test, signals, test_runner
		from mobly.asserts import assert_equal # type: ignore
		from mobly.asserts import assert_in # type: ignore
		from mobly.asserts import skip # type: ignore
		from pandora._utils import AioStream
		from pandora.host_pb2 import PUBLIC, RANDOM, AdvertiseResponse, Connection, DataTypes, OwnAddressType, ScanningResponse
		from pandora.security_pb2 import LE_LEVEL3, LESecurityLevel
		from pandora.security_pb2 import LE_LEVEL3
		from pandora_experimental.asha_grpc_aio import Asha as AioAsha, add_AshaServicer_to_server
		from typing import List, Optional, Tuple

		ASHA_UUID = GATT_ASHA_SERVICE.to_hex_str()
		HISYCNID: List[int] = [0x01, 0x02, 0x03, 0x04, 0x5, 0x6, 0x7, 0x8]
		COMPLETE_LOCAL_NAME: str = "Bumble"
		AUDIO_SIGNAL_AMPLITUDE = 0.8
		AUDIO_SIGNAL_SAMPLING_RATE = 44100


		class Ear(enum.IntEnum):
		@@ -51,17 +54,26 @@ class ASHATest(base_test.BaseTestClass): # type: ignore[misc]

		# pandora devices.
		dut: PandoraDevice
		ref_left: PandoraDevice
		ref_right: PandoraDevice
		ref_left: BumblePandoraDevice
		ref_right: BumblePandoraDevice

		def setup_class(self) -> None:
		# Register experimental bumble servicers hook.
		bumble_server.register_servicer_hook(
		lambda bumble, server: add_AshaServicer_to_server(ASHAService(bumble.device), server)
		lambda bumble, server: add_AshaServicer_to_server(AshaService(bumble.device), server)
		)

		self.devices = PandoraDevices(self)
		self.dut, self.ref_left, self.ref_right, *_ = self.devices
		self.dut, ref_left, ref_right, *_ = self.devices

		if isinstance(self.dut, BumblePandoraDevice):
		raise signals.TestAbortAll('DUT Bumble does not support Asha source')
		if not isinstance(ref_left, BumblePandoraDevice):
		raise signals.TestAbortAll('Test require Bumble as reference device(s)')
		if not isinstance(ref_right, BumblePandoraDevice):
		raise signals.TestAbortAll('Test require Bumble as reference device(s)')

		self.ref_left, self.ref_right = ref_left, ref_right

		def teardown_class(self) -> None:
		if self.devices:
		@@ -71,13 +83,6 @@ class ASHATest(base_test.BaseTestClass): # type: ignore[misc]
		async def setup_test(self) -> None:
		await asyncio.gather(self.dut.reset(), self.ref_left.reset(), self.ref_right.reset())

		if isinstance(self.dut, BumblePandoraDevice):
		raise signals.TestSkip('DUT Bumble does not support Asha source')
		if not isinstance(self.ref_left, BumblePandoraDevice):
		raise signals.TestSkip('Test require Bumble as reference device(s)')
		if not isinstance(self.ref_right, BumblePandoraDevice):
		raise signals.TestSkip('Test require Bumble as reference device(s)')

		# ASHA hearing aid's IO capability is NO_OUTPUT_NO_INPUT
		setattr(self.ref_left.device, "io_capability", PairingDelegate.NO_OUTPUT_NO_INPUT)
		setattr(self.ref_right.device, "io_capability", PairingDelegate.NO_OUTPUT_NO_INPUT)
		@@ -149,7 +154,7 @@ class ASHATest(base_test.BaseTestClass): # type: ignore[misc]
		assert e.code() == grpc.StatusCode.DEADLINE_EXCEEDED # type: ignore
		return True

		def get_expected_advertisement_data(self, ear: Ear):
		def get_expected_advertisement_data(self, ear: Ear) -> str:
		protocol_version = 0x01
		truncated_hisyncid = HISYCNID[:4]
		return (
		@@ -268,7 +273,7 @@ class ASHATest(base_test.BaseTestClass): # type: ignore[misc]
		Verify that DUT and Ref are bonded and connected.
		"""

		async def ref_device_connect(ref_device, ear):
		async def ref_device_connect(ref_device: BumblePandoraDevice, ear: Ear) -> Tuple[Connection, Connection]:
		advertisement = await self.ref_advertise_asha(
		ref_device=ref_device, ref_address_type=ref_address_type, ear=ear
		)
		@@ -335,16 +340,13 @@ class ASHATest(base_test.BaseTestClass): # type: ignore[misc]

		dut_ref, ref_dut = await self.dut_connect_to_ref(advertisement, ref, dut_address_type)

		secure = self.dut.security.Secure(connection=dut_ref, le=LESecurityLevel.LE_LEVEL3)
		secure = self.dut.security.Secure(connection=dut_ref, le=LE_LEVEL3)

		assert_equal(secure.WhichOneof("result"), "success")
		await self.dut.aio.host.Disconnect(dut_ref)
		await self.ref_left.aio.host.WaitDisconnection(ref_dut)

		# delete the bond
		if dut_address_type == OwnAddressType.PUBLIC:
		await self.dut.aio.security_storage.DeleteBond(public=self.ref_left.address)
		else:
		await self.dut.aio.security_storage.DeleteBond(random=self.ref_left.random_address)

		# DUT connect to REF again
		@@ -357,7 +359,7 @@ class ASHATest(base_test.BaseTestClass): # type: ignore[misc]
		advertisement.cancel()
		assert dut_ref

		secure = await self.dut.aio.security.Secure(connection=dut_ref, le=LESecurityLevel.LE_LEVEL3)
		secure = await self.dut.aio.security.Secure(connection=dut_ref, le=LE_LEVEL3)

		assert_equal(secure.WhichOneof("result"), "success")

		@@ -641,6 +643,226 @@ class ASHATest(base_test.BaseTestClass): # type: ignore[misc]
		advertisement_right.cancel()
		assert ref_right_dut

		@asynchronous
		async def test_music_start(self) -> None:
		"""
		DUT discovers Ref.
		DUT initiates connection to Ref.
		Verify that DUT and Ref are bonded and connected.
		DUT starts media streaming.
		Verify that DUT sends a correct AudioControlPoint `Start` command (codec=1,
		audiotype=0, volume=<volume set on DUT>, otherstate=<state of Ref aux if dual devices>).
		"""
		advertisement = await self.ref_advertise_asha(ref_device=self.ref_left, ref_address_type=RANDOM, ear=Ear.LEFT)

		ref = await self.dut_scan_for_asha(dut_address_type=RANDOM, ear=Ear.LEFT)

		# DUT initiates connection to Ref.
		dut_ref, ref_dut = await self.dut_connect_to_ref(advertisement, ref, RANDOM)
		assert dut_ref, ref_dut

		asha_service = next((x for x in self.ref_left.device.gatt_server.attributes if isinstance(x, AshaGattService)))

		# check DUT read le_psm
		le_psm_future = asyncio.get_running_loop().create_future()

		def le_psm_handler(connection: Connection, data: int) -> None:
		le_psm_future.set_result(data)

		asha_service.on('le_psm_out', le_psm_handler)

		# check DUT read read_only_properties
		read_only_properties_future = asyncio.get_running_loop().create_future()

		def read_only_properties_handler(connection: Connection, data: bytes) -> None:
		read_only_properties_future.set_result(data)

		asha_service.on('read_only_properties', read_only_properties_handler)

		# DUT starts pairing with the Ref.
		# FIXME: assert the security Level on ref side
		await self.dut.aio.security.Secure(connection=dut_ref, le=LE_LEVEL3)

		le_psm_out_result = await asyncio.wait_for(le_psm_future, timeout=3.0)
		assert le_psm_out_result is not None

		read_only_properties_result = await asyncio.wait_for(read_only_properties_future, timeout=3.0)
		assert read_only_properties_result is not None

		dut_asha = AioAsha(self.dut.aio.channel)

		start_future = asyncio.get_running_loop().create_future()

		def start_command_handler(connection: Connection, data: dict[str, int]) -> None:
		start_future.set_result(data)

		asha_service.on('start', start_command_handler)

		logging.info("send start")
		await dut_asha.WaitPeripheral(connection=dut_ref)
		_, start_result = await asyncio.gather(
		dut_asha.Start(connection=dut_ref), asyncio.wait_for(start_future, timeout=3.0)
		)

		logging.info(f"start_result:{start_result}")
		assert start_result is not None
		assert isinstance(start_result, dict)
		assert start_result['codec'] == 1
		assert start_result['audiotype'] == 0
		assert start_result['volume'] is not None
		assert start_result['otherstate'] == 0

		@asynchronous
		async def test_set_volume(self) -> None:
		"""
		DUT discovers Ref.
		DUT initiates connection to Ref.
		Verify that DUT and Ref are bonded and connected.
		DUT is streaming media to Ref.
		Change volume on DUT.
		Verify DUT writes the correct value to ASHA `Volume` characteristic.
		"""
		raise signals.TestSkip("TODO: update bt test interface for SetVolume to retry")

		advertisement = await self.ref_advertise_asha(ref_device=self.ref_left, ref_address_type=RANDOM, ear=Ear.LEFT)

		ref = await self.dut_scan_for_asha(dut_address_type=RANDOM, ear=Ear.LEFT)

		# DUT initiates connection to Ref.
		dut_ref, ref_dut = await self.dut_connect_to_ref(advertisement, ref, RANDOM)
		assert dut_ref, ref_dut

		# DUT starts pairing with the Ref.
		# FIXME: assert the security Level on ref side
		await self.dut.aio.security.Secure(connection=dut_ref, le=LE_LEVEL3)

		asha_service = next((x for x in self.ref_left.device.gatt_server.attributes if isinstance(x, AshaGattService)))
		dut_asha = AioAsha(self.dut.aio.channel)

		volume_future = asyncio.get_running_loop().create_future()

		def volume_command_handler(connection: Connection, data: int):
		volume_future.set_result(data)

		asha_service.on('volume', volume_command_handler)

		await dut_asha.WaitPeripheral(connection=dut_ref)
		await dut_asha.Start(connection=dut_ref)
		# set volume to max volume
		_, volume_result = await asyncio.gather(dut_asha.SetVolume(1), asyncio.wait_for(volume_future, timeout=3.0))

		logging.info(f"start_result:{volume_result}")
		assert volume_result is not None
		assert volume_result == 0 # Android max volume's value is 0

		@asynchronous
		async def test_music_stop(self) -> None:
		"""
		DUT discovers Ref.
		DUT initiates connection to Ref.
		Verify that DUT and Ref are bonded and connected.
		DUT is streaming media to Ref.
		DUT stops media streaming on Ref.
		Verify that DUT sends a correct AudioControlPoint `Stop` command.
		"""
		advertisement = await self.ref_advertise_asha(ref_device=self.ref_left, ref_address_type=RANDOM, ear=Ear.LEFT)

		ref = await self.dut_scan_for_asha(dut_address_type=RANDOM, ear=Ear.LEFT)

		# DUT initiates connection to Ref.
		dut_ref, ref_dut = await self.dut_connect_to_ref(advertisement, ref, RANDOM)
		assert dut_ref, ref_dut

		# DUT starts pairing with the Ref.
		# FIXME: assert the security Level on ref side
		await self.dut.aio.security.Secure(connection=dut_ref, le=LE_LEVEL3)

		asha_service = next((x for x in self.ref_left.device.gatt_server.attributes if isinstance(x, AshaGattService)))
		dut_asha = AioAsha(self.dut.aio.channel)

		stop_future = asyncio.get_running_loop().create_future()

		def stop_command_handler(connection: Connection) -> None:
		stop_future.set_result(connection)

		asha_service.on('stop', stop_command_handler)

		await dut_asha.WaitPeripheral(connection=dut_ref)
		await dut_asha.Start(connection=dut_ref)
		logging.info("send stop")
		_, stop_result = await asyncio.gather(dut_asha.Stop(), asyncio.wait_for(stop_future, timeout=10.0))

		logging.info(f"stop_result:{stop_result}")
		assert stop_result is not None

		ref_asha = AioAsha(self.ref_left.aio.channel)
		try:
		ref_asha.CaptureAudio(connection=ref_dut, timeout=2)
		except grpc.aio.AioRpcError as e:
		if e.code() == grpc.StatusCode.DEADLINE_EXCEEDED:
		logging.info("no audio data, work as expected")
		else:
		raise e

		@asynchronous
		async def test_music_restart(self) -> None:
		"""
		DUT discovers Ref.
		DUT initiates connection to Ref.
		Verify that DUT and Ref are bonded and connected.
		DUT starts media streaming.
		DUT stops media streaming.
		Verify that DUT sends a correct AudioControlPoint `Stop` command.
		DUT starts media streaming again.
		Verify that DUT sends a correct AudioControlPoint `Start` command.
		"""
		advertisement = await self.ref_advertise_asha(ref_device=self.ref_left, ref_address_type=RANDOM, ear=Ear.LEFT)

		ref = await self.dut_scan_for_asha(dut_address_type=RANDOM, ear=Ear.LEFT)

		# DUT initiates connection to Ref.
		dut_ref, ref_dut = await self.dut_connect_to_ref(advertisement, ref, RANDOM)
		assert dut_ref, ref_dut

		# DUT starts pairing with the Ref.
		# FIXME: assert the security Level on ref side
		await self.dut.aio.security.Secure(connection=dut_ref, le=LE_LEVEL3)

		asha_service = next((x for x in self.ref_left.device.gatt_server.attributes if isinstance(x, AshaGattService)))
		dut_asha = AioAsha(self.dut.aio.channel)

		stop_future = asyncio.get_running_loop().create_future()

		def stop_command_handler(connection: Connection) -> None:
		stop_future.set_result(connection)

		asha_service.on('stop', stop_command_handler)

		await dut_asha.WaitPeripheral(connection=dut_ref)
		await dut_asha.Start(connection=dut_ref)
		_, stop_result = await asyncio.gather(dut_asha.Stop(), asyncio.wait_for(stop_future, timeout=10.0))

		logging.info(f"stop_result:{stop_result}")
		assert stop_result is not None

		# restart music streaming
		logging.info("restart music streaming")

		start_future = asyncio.get_running_loop().create_future()

		def start_command_handler(connection: Connection, data: dict[str, int]) -> None:
		start_future.set_result(data)

		asha_service.on('start', start_command_handler)

		await dut_asha.WaitPeripheral(connection=dut_ref)
		_, start_result = await asyncio.gather(
		dut_asha.Start(connection=dut_ref), asyncio.wait_for(start_future, timeout=3.0)
		)

		logging.info(f"start_result:{start_result}")
		assert start_result is not None


		if __name__ == "__main__":
		logging.basicConfig(level=logging.DEBUG)

pandora/interfaces/pandora_experimental/asha.proto

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pandora/server/bumble_experimental/asha.py

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