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Add support for clearing the on device GATT cache to esphome (#90318)

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J. Nick Koston 2023-03-26 21:34:28 -10:00 committed by GitHub
parent a773c37190
commit 6a5c05e7d2
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1 changed files with 20 additions and 1 deletions
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21
homeassistant/components/esphome/bluetooth/client.py
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@ -44,6 +44,7 @@ CCCD_INDICATE_BYTES = b"\x02\x00"
MIN_BLUETOOTH_PROXY_VERSION_HAS_CACHE = 3
MIN_BLUETOOTH_PROXY_HAS_PAIRING = 4
MIN_BLUETOOTH_PROXY_HAS_CLEAR_CACHE = 5
DEFAULT_MAX_WRITE_WITHOUT_RESPONSE = DEFAULT_MTU - GATT_HEADER_SIZE
_LOGGER = logging.getLogger(__name__)
@ -518,10 +519,28 @@ class ESPHomeClient(BaseBleakClient):
raise BleakError(f"Characteristic {char_specifier} was not found!")
return characteristic
async def clear_cache(self) -> None:
@api_error_as_bleak_error
async def clear_cache(self) -> bool:
"""Clear the GATT cache."""
self.domain_data.clear_gatt_services_cache(self._address_as_int)
self.domain_data.clear_gatt_mtu_cache(self._address_as_int)
if self._connection_version < MIN_BLUETOOTH_PROXY_HAS_CLEAR_CACHE:
_LOGGER.warning(
"On device cache clear is not available with ESPHome Bluetooth version %s, "
"version %s is needed; Only memory cache will be cleared",
self._connection_version,
MIN_BLUETOOTH_PROXY_HAS_CLEAR_CACHE,
)
return True
response = await self._client.bluetooth_device_clear_cache(self._address_as_int)
if response.success:
return True
_LOGGER.error(
"Clear cache failed with %s failed due to error: %s",
self.address,
response.error,
)
return False
@verify_connected
@api_error_as_bleak_error