def run(self) -> None:
"""
Start the event loop and run forever.
"""
log.debug("Running Websocket server")
self.loop = asyncio.new_event_loop()
asyncio.set_event_loop(self.loop)
try:
server_start = serve(self.handler,
'127.0.0.1',
WEBSOCKET_PORT,
close_timeout=1)
self.server = self.loop.run_until_complete(server_start)
self.server_is_started.set()
self.loop.run_forever()
except OSError:
# The code above may throw an OSError
# if the socket cannot be bound
log.exception("Server could not be started")
finally:
log.debug("loop stopped")
log.debug("Pending tasks at close: %r",
asyncio.all_tasks(self.loop))
self.loop.close()
log.debug("loop closed")
self.loop_is_closed.set()
async def _websocket_server(stop: "Future[Any]", host: str, port: int, close_timeout_sec: float) -> None:
"""Websocket server."""
log.info("Completed starting websocket server") # ok, it's a bit of a lie
async with serve(_handle_connection, host=host, port=port, close_timeout=close_timeout_sec):
await stop
await _handle_shutdown()