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aioble/multitests: Add multitest for shutdown handlers.
Signed-off-by: Jim Mussared <[email protected]>
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‎micropython/bluetooth/aioble/multitests/ble_shutdown.py‎

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# Test for shutting down and restarting the BLE stack.
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import sys
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sys.path.append("")
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from micropython import const
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import time, machine
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import uasyncio as asyncio
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import aioble
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import bluetooth
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TIMEOUT_MS = 5000
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SERVICE_UUID = bluetooth.UUID("A5A5A5A5-FFFF-9999-1111-5A5A5A5A5A5A")
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CHAR_UUID = bluetooth.UUID("00000000-1111-2222-3333-444444444444")
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_L2CAP_PSN = const(22)
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_L2CAP_MTU = const(128)
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# Acting in peripheral role.
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async def instance0_task():
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multitest.globals(BDADDR=aioble.config("mac"))
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multitest.next()
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for i in range(3):
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service = aioble.Service(SERVICE_UUID)
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characteristic = aioble.Characteristic(service, CHAR_UUID, read=True)
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aioble.register_services(service)
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# Write initial characteristic value.
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characteristic.write("periph{}".format(i))
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multitest.broadcast("connect-{}".format(i))
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# Wait for central to connect to us.
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print("advertise")
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connection = await aioble.advertise(
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20_000, adv_data=b"\x02\x01\x06\x04\xffMPY", timeout_ms=TIMEOUT_MS
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)
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print("connected")
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multitest.broadcast("connected-{}".format(i))
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for j in range(3):
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channel = await connection.l2cap_accept(_L2CAP_PSN, _L2CAP_MTU)
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print("channel accepted")
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buf = bytearray(10)
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n = await channel.recvinto(buf)
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print("recv", n, buf[:n])
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multitest.broadcast("recv-{}-{}".format(i, j))
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await channel.disconnected(5000)
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print("channel disconnected")
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# Wait for the central to disconnect.
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await connection.disconnected(timeout_ms=TIMEOUT_MS)
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print("disconnected")
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# Shutdown aioble + modbluetooth.
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print("shutdown")
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aioble.stop()
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def instance0():
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try:
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asyncio.run(instance0_task())
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finally:
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aioble.stop()
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# Acting in central role.
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async def instance1_task():
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multitest.next()
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for i in range(3):
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multitest.wait("connect-{}".format(i))
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# Connect to peripheral.
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print("connect")
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device = aioble.Device(*BDADDR)
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connection = await device.connect(timeout_ms=TIMEOUT_MS)
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multitest.wait("connected-{}".format(i))
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# Discover characteristics.
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service = await connection.service(SERVICE_UUID)
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print("service", service.uuid)
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characteristic = await service.characteristic(CHAR_UUID)
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print("characteristic", characteristic.uuid)
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# Issue read of characteristic, should get initial value.
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print("read", await characteristic.read(timeout_ms=TIMEOUT_MS))
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for j in range(3):
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print("connecting channel")
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channel = await connection.l2cap_connect(_L2CAP_PSN, _L2CAP_MTU)
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print("channel connected")
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await channel.send("l2cap-{}-{}".format(i, j))
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await channel.flush()
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multitest.wait("recv-{}-{}".format(i, j))
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print("disconnecting channel")
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await channel.disconnect()
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print("channel disconnected")
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await asyncio.sleep_ms(100)
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# Disconnect from peripheral.
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print("disconnect")
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await connection.disconnect(timeout_ms=TIMEOUT_MS)
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print("disconnected")
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# Shutdown aioble.
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print("shutdown")
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aioble.stop()
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def instance1():
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try:
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asyncio.run(instance1_task())
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finally:
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aioble.stop()

‎micropython/bluetooth/aioble/multitests/ble_shutdown.py.exp‎

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--- instance0 ---
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advertise
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connected
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channel accepted
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recv 9 bytearray(b'l2cap-0-0')
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channel disconnected
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channel accepted
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recv 9 bytearray(b'l2cap-0-1')
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channel disconnected
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channel accepted
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recv 9 bytearray(b'l2cap-0-2')
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channel disconnected
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disconnected
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shutdown
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advertise
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connected
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channel accepted
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recv 9 bytearray(b'l2cap-1-0')
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channel disconnected
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channel accepted
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recv 9 bytearray(b'l2cap-1-1')
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channel disconnected
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channel accepted
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recv 9 bytearray(b'l2cap-1-2')
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channel disconnected
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disconnected
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shutdown
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advertise
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connected
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channel accepted
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recv 9 bytearray(b'l2cap-2-0')
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channel disconnected
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channel accepted
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recv 9 bytearray(b'l2cap-2-1')
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channel disconnected
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channel accepted
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recv 9 bytearray(b'l2cap-2-2')
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channel disconnected
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disconnected
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shutdown
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--- instance1 ---
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connect
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service UUID('a5a5a5a5-ffff-9999-1111-5a5a5a5a5a5a')
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characteristic UUID('00000000-1111-2222-3333-444444444444')
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read b'periph0'
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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disconnect
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disconnected
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shutdown
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connect
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service UUID('a5a5a5a5-ffff-9999-1111-5a5a5a5a5a5a')
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characteristic UUID('00000000-1111-2222-3333-444444444444')
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read b'periph1'
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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disconnect
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disconnected
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shutdown
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connect
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service UUID('a5a5a5a5-ffff-9999-1111-5a5a5a5a5a5a')
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characteristic UUID('00000000-1111-2222-3333-444444444444')
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read b'periph2'
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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connecting channel
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channel connected
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disconnecting channel
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channel disconnected
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disconnect
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disconnected
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shutdown

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