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use new tornado start methods

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This commit is contained in:
J. Nick Koston 2023-11-11 18:19:44 -06:00
parent 0c06abd960
commit 5d8253ddf9
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2 changed files with 143 additions and 49 deletions
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131
esphome/dashboard/dashboard.py
View File

@ -1,5 +1,6 @@
from __future__ import annotations
import asyncio
import base64
import binascii
import codecs
@ -47,10 +48,10 @@ from esphome.storage_json import (
from esphome.util import get_serial_ports, shlex_quote
from esphome.zeroconf import (
ESPHOME_SERVICE_TYPE,
AsyncEsphomeZeroconf,
DashboardBrowser,
DashboardImportDiscovery,
DashboardStatus,
EsphomeZeroconf,
)
from .util import friendly_name_slugify, password_hash
@ -975,13 +976,13 @@ class BoardsRequestHandler(BaseHandler):
self.write(json.dumps(output))
class MDNSStatusThread(threading.Thread):
"""Thread that updates the mdns status."""
class MDNSStatus:
"""Class that updates the mdns status."""
def __init__(self) -> None:
"""Initialize the MDNSStatusThread."""
"""Initialize the MDNSStatus class."""
super().__init__()
self.zeroconf: EsphomeZeroconf | None = None
self.aiozc: AsyncEsphomeZeroconf | None = None
# This is the current mdns state for each host (True, False, None)
self.host_mdns_state: dict[str, bool | None] = {}
# This is the hostnames to filenames mapping
@ -997,10 +998,10 @@ class MDNSStatusThread(threading.Thread):
async def async_resolve_host(self, host_name: str) -> str | None:
"""Resolve a host name to an address in a thread-safe manner."""
if zc := self.zeroconf:
if aiozc := self.aiozc:
# Currently we do not do any I/O and only
# return the cached result (timeout=0)
return await zc.async_resolve_host(host_name)
return await aiozc.async_resolve_host(host_name)
return None
def _refresh_hosts(self):
@ -1034,11 +1035,11 @@ class MDNSStatusThread(threading.Thread):
host_name_to_filename[name] = filename
filename_to_host_name[filename] = name
def run(self):
async def async_run(self) -> None:
global IMPORT_RESULT
zc = EsphomeZeroconf()
self.zeroconf = zc
aiozc = AsyncEsphomeZeroconf()
self.aiozc = aiozc
host_mdns_state = self.host_mdns_state
host_name_to_filename = self.host_name_to_filename
host_name_with_mdns_enabled = self.host_name_with_mdns_enabled
@ -1055,18 +1056,20 @@ class MDNSStatusThread(threading.Thread):
stat = DashboardStatus(on_update)
imports = DashboardImportDiscovery()
browser = DashboardBrowser(
zc, ESPHOME_SERVICE_TYPE, [stat.browser_callback, imports.browser_callback]
aiozc.zeroconf,
ESPHOME_SERVICE_TYPE,
[stat.browser_callback, imports.browser_callback],
)
while not STOP_EVENT.is_set():
self._refresh_hosts()
IMPORT_RESULT = imports.import_state
PING_REQUEST.wait()
PING_REQUEST.clear()
await PING_REQUEST.async_wait()
PING_REQUEST.async_clear()
browser.cancel()
zc.close()
self.zeroconf = None
await browser.async_cancel()
await aiozc.async_close()
self.aiozc = None
class PingStatusThread(threading.Thread):
@ -1246,22 +1249,69 @@ class UndoDeleteRequestHandler(BaseHandler):
class MDNSContainer:
def __init__(self) -> None:
"""Initialize the MDNSContainer."""
self._mdns: MDNSStatusThread | None = None
self._mdns: MDNSStatus | None = None
def set_mdns(self, mdns: MDNSStatusThread) -> None:
"""Set the MDNSStatusThread instance."""
def set_mdns(self, mdns: MDNSStatus) -> None:
"""Set the MDNSStatus instance."""
self._mdns = mdns
def get_mdns(self) -> MDNSStatusThread | None:
"""Return the MDNSStatusThread instance."""
def get_mdns(self) -> MDNSStatus | None:
"""Return the MDNSStatus instance."""
return self._mdns
class ThreadedAsyncEvent:
def __init__(self) -> None:
"""Initialize the ThreadedAsyncEvent."""
self.event = threading.Event()
self.async_event: asyncio.Event | None = None
self.loop: asyncio.AbstractEventLoop | None = None
def async_setup(
self, loop: asyncio.AbstractEventLoop, async_event: asyncio.Event
) -> None:
"""Set the asyncio.Event instance."""
self.loop = loop
self.async_event = async_event
def async_set(self) -> None:
"""Set the asyncio.Event instance."""
self.async_event.set()
self.event.set()
def set(self) -> None:
"""Set the event."""
self.loop.call_soon_threadsafe(self.async_event.set)
self.event.set()
def wait(self) -> None:
"""Wait for the event."""
self.event.wait()
async def async_wait(self) -> None:
"""Wait the event async."""
await self.async_event.wait()
def clear(self) -> None:
"""Clear the event."""
self.loop.call_soon_threadsafe(self.async_event.clear)
self.event.clear()
def async_clear(self) -> None:
"""Clear the event async."""
self.async_event.clear()
self.event.clear()
def is_set(self) -> bool:
"""Return if the event is set."""
return self.event.is_set()
PING_RESULT: dict = {}
IMPORT_RESULT = {}
STOP_EVENT = threading.Event()
PING_REQUEST = threading.Event()
MQTT_PING_REQUEST = threading.Event()
STOP_EVENT = ThreadedAsyncEvent()
PING_REQUEST = ThreadedAsyncEvent()
MQTT_PING_REQUEST = ThreadedAsyncEvent()
MDNS_CONTAINER = MDNSContainer()
@ -1525,6 +1575,18 @@ def start_web_server(args):
storage.save(path)
settings.cookie_secret = storage.cookie_secret
try:
asyncio.run(async_start_web_server(args))
except KeyboardInterrupt:
pass
async def async_start_web_server(args):
loop = asyncio.get_event_loop()
PING_REQUEST.async_setup(loop, asyncio.Event())
MQTT_PING_REQUEST.async_setup(loop, asyncio.Event())
STOP_EVENT.async_setup(loop, asyncio.Event())
app = make_app(args.verbose)
if args.socket is not None:
_LOGGER.info(
@ -1549,27 +1611,36 @@ def start_web_server(args):
webbrowser.open(f"http://{args.address}:{args.port}")
mdns_task: asyncio.Task | None = None
ping_status_thread: PingStatusThread | None = None
if settings.status_use_ping:
status_thread = PingStatusThread()
ping_status_thread = PingStatusThread()
ping_status_thread.start()
else:
status_thread = MDNSStatusThread()
MDNS_CONTAINER.set_mdns(status_thread)
status_thread.start()
mdns_status = MDNSStatus()
MDNS_CONTAINER.set_mdns(mdns_status)
mdns_task = asyncio.create_task(mdns_status.async_run())
if settings.status_use_mqtt:
status_thread_mqtt = MqttStatusThread()
status_thread_mqtt.start()
shutdown_event = asyncio.Event()
try:
tornado.ioloop.IOLoop.current().start()
await shutdown_event.wait()
except KeyboardInterrupt:
raise
finally:
_LOGGER.info("Shutting down...")
STOP_EVENT.set()
PING_REQUEST.set()
status_thread.join()
if ping_status_thread:
ping_status_thread.join()
MDNS_CONTAINER.set_mdns(None)
mdns_task.cancel()
if settings.status_use_mqtt:
status_thread_mqtt.join()
MQTT_PING_REQUEST.set()
if args.socket is not None:
os.remove(args.socket)
await asyncio.sleep(0)

61
esphome/zeroconf.py
View File

@ -1,22 +1,21 @@
from __future__ import annotations
import asyncio
import logging
from dataclasses import dataclass
from typing import Callable
from zeroconf import (
IPVersion,
ServiceBrowser,
ServiceInfo,
ServiceStateChange,
Zeroconf,
)
from zeroconf import IPVersion, ServiceInfo, ServiceStateChange, Zeroconf
from zeroconf.asyncio import AsyncServiceBrowser, AsyncServiceInfo, AsyncZeroconf
from esphome.storage_json import StorageJSON, ext_storage_path
_LOGGER = logging.getLogger(__name__)
_BACKGROUND_TASKS: set[asyncio.Task] = set()
class HostResolver(ServiceInfo):
"""Resolve a host name to an IP address."""
@ -65,7 +64,7 @@ class DiscoveredImport:
network: str
class DashboardBrowser(ServiceBrowser):
class DashboardBrowser(AsyncServiceBrowser):
"""A class to browse for ESPHome nodes."""
@ -94,7 +93,28 @@ class DashboardImportDiscovery:
# Ignore updates for devices that are not in the import state
return
info = zeroconf.get_service_info(service_type, name)
info = AsyncServiceInfo(
service_type,
name,
)
if info.load_from_cache(zeroconf):
self._process_service_info(name, info)
return
task = asyncio.create_task(
self._async_process_service_info(zeroconf, info, service_type, name)
)
_BACKGROUND_TASKS.add(task)
task.add_done_callback(_BACKGROUND_TASKS.discard)
async def _async_process_service_info(
self, zeroconf: Zeroconf, info: AsyncServiceInfo, service_type: str, name: str
) -> None:
"""Process a service info."""
if await info.async_request(zeroconf):
self._process_service_info(name, info)
def _process_service_info(self, name: str, info: ServiceInfo) -> None:
"""Process a service info."""
_LOGGER.debug("-> resolved info: %s", info)
if info is None:
return
@ -146,16 +166,17 @@ class DashboardImportDiscovery:
)
class EsphomeZeroconf(Zeroconf):
def _make_host_resolver(self, host: str) -> HostResolver:
"""Create a new HostResolver for the given host name."""
name = host.partition(".")[0]
info = HostResolver(ESPHOME_SERVICE_TYPE, f"{name}.{ESPHOME_SERVICE_TYPE}")
return info
def _make_host_resolver(host: str) -> HostResolver:
"""Create a new HostResolver for the given host name."""
name = host.partition(".")[0]
info = HostResolver(ESPHOME_SERVICE_TYPE, f"{name}.{ESPHOME_SERVICE_TYPE}")
return info
class EsphomeZeroconf(Zeroconf):
def resolve_host(self, host: str, timeout: float = 3.0) -> str | None:
"""Resolve a host name to an IP address."""
info = self._make_host_resolver(host)
info = _make_host_resolver(host)
if (
info.load_from_cache(self)
or (timeout and info.request(self, timeout * 1000))
@ -163,12 +184,14 @@ class EsphomeZeroconf(Zeroconf):
return str(addresses[0])
return None
class AsyncEsphomeZeroconf(AsyncZeroconf):
async def async_resolve_host(self, host: str, timeout: float = 3.0) -> str | None:
"""Resolve a host name to an IP address."""
info = self._make_host_resolver(host)
info = _make_host_resolver(host)
if (
info.load_from_cache(self)
or (timeout and await info.async_request(self, timeout * 1000))
info.load_from_cache(self.zeroconf)
or (timeout and await info.async_request(self.zeroconf, timeout * 1000))
) and (addresses := info.ip_addresses_by_version(IPVersion.V4Only)):
return str(addresses[0])
return None