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Refactored concurrency model in ntfy plugin

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This commit is contained in:
Fabio Manganiello 2022-08-14 00:45:29 +02:00
parent 9e2b4a0043
commit f4672ce5c3
Signed by untrusted user: blacklight
GPG key ID: D90FBA7F76362774
1 changed files with 22 additions and 22 deletions
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44
platypush/plugins/ntfy/__init__.py
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@ -7,6 +7,7 @@ from typing import Optional, Collection, Mapping
import requests
import websockets
import websockets.exceptions
from platypush.context import get_bus
from platypush.message.event.ntfy import NotificationEvent
@ -48,23 +49,14 @@ class NtfyPlugin(RunnablePlugin):
]
)
self._event_loop: Optional[asyncio.AbstractEventLoop] = None
self._subscriptions = subscriptions or []
self._ws_proc = None
def _connect(self):
if self.should_stop() or (self._ws_proc and self._ws_proc.is_alive()):
self.logger.debug('Already connected')
return
self._ws_proc = multiprocessing.Process(target=self._ws_process)
self._ws_proc.start()
async def _get_ws_handler(self, url):
reconnect_wait_secs = 1
reconnect_wait_secs_max = 60
while True:
while not self.should_stop():
self.logger.debug(f'Connecting to {url}')
try:
@ -104,30 +96,38 @@ class NtfyPlugin(RunnablePlugin):
reconnect_wait_secs * 2, reconnect_wait_secs_max
)
async def _ws_processor(self, urls):
await asyncio.wait([self._get_ws_handler(url) for url in urls])
def _ws_process(self):
self._event_loop = get_or_create_event_loop()
loop = get_or_create_event_loop()
try:
self._event_loop.run_until_complete(
self._ws_processor(
{f'{self._ws_url}/{sub}/ws' for sub in self._subscriptions}
loop.run_until_complete(
asyncio.wait(
{
self._get_ws_handler(f'{self._ws_url}/{sub}/ws')
for sub in self._subscriptions
}
)
)
except KeyboardInterrupt:
pass
def main(self):
if self.should_stop() or (self._ws_proc and self._ws_proc.is_alive()):
self.logger.debug('Already connected')
return
if self._subscriptions:
self._connect()
self._ws_proc = multiprocessing.Process(target=self._ws_process)
self._ws_proc.start()
self.wait_stop()
def stop(self):
if self._ws_proc:
self._ws_proc.kill()
self._ws_proc.join()
self._ws_proc = None
if self._ws_proc and self._ws_proc.is_alive():
self._ws_proc.terminate()
try:
self._ws_proc.join(timeout=3)
except TimeoutError:
self._ws_proc.kill()
super().stop()