sanic/sanic/worker/multiplexer.py

55 lines
1.5 KiB
Python

from multiprocessing.connection import Connection
from os import environ, getpid
from typing import Any, Dict
from sanic.worker.process import ProcessState
from sanic.worker.state import WorkerState
class WorkerMultiplexer:
def __init__(
self,
monitor_publisher: Connection,
worker_state: Dict[str, Any],
):
self._monitor_publisher = monitor_publisher
self._state = WorkerState(worker_state, self.name)
def ack(self):
self._state._state[self.name] = {
**self._state._state[self.name],
"state": ProcessState.ACKED.name,
}
def restart(self, name: str = "", all_workers: bool = False):
if name and all_workers:
raise ValueError(
"Ambiguous restart with both a named process and"
" all_workers=True"
)
if not name:
name = "__ALL_PROCESSES__:" if all_workers else self.name
self._monitor_publisher.send(name)
reload = restart # no cov
def terminate(self, early: bool = False):
message = "__TERMINATE_EARLY__" if early else "__TERMINATE__"
self._monitor_publisher.send(message)
@property
def pid(self) -> int:
return getpid()
@property
def name(self) -> str:
return environ.get("SANIC_WORKER_NAME", "")
@property
def state(self):
return self._state
@property
def workers(self) -> Dict[str, Any]:
return self.state.full()