copyparty/copyparty/broker_mpw.py

121 lines
3.4 KiB
Python

# coding: utf-8
from __future__ import print_function, unicode_literals
import argparse
import signal
import sys
import threading
import os
import queue
from .authsrv import AuthSrv
from .broker_util import BrokerCli, ExceptionalQueue
from .httpsrv import HttpSrv
from .util import FAKE_MP, HMaccas
try:
from types import FrameType
from typing import Any, Optional, Union
except:
pass
class MpWorker(BrokerCli):
"""one single mp instance"""
def __init__(
self,
q_pend: queue.Queue[tuple[int, str, list[Any]]],
q_yield: queue.Queue[tuple[int, str, list[Any]]],
args: argparse.Namespace,
n: int,
) -> None:
super(MpWorker, self).__init__()
self.q_pend = q_pend
self.q_yield = q_yield
self.args = args
self.n = n
self.log = self._log_disabled if args.q and not args.lo else self._log_enabled
self.retpend: dict[int, Any] = {}
self.retpend_mutex = threading.Lock()
self.mutex = threading.Lock()
# we inherited signal_handler from parent,
# replace it with something harmless
if not FAKE_MP:
for sig in [signal.SIGINT, signal.SIGTERM, signal.SIGUSR1]:
signal.signal(sig, self.signal_handler)
# starting to look like a good idea
self.asrv = AuthSrv(args, None, False)
# instantiate all services here (TODO: inheritance?)
self.iphash = HMaccas(os.path.join(self.args.E.cfg, "iphash"), 8)
self.httpsrv = HttpSrv(self, n)
# on winxp and some other platforms,
# use thr.join() to block all signals
thr = threading.Thread(target=self.main, name="mpw-main")
thr.daemon = True
thr.start()
thr.join()
def signal_handler(self, sig: Optional[int], frame: Optional[FrameType]) -> None:
# print('k')
pass
def _log_enabled(self, src: str, msg: str, c: Union[int, str] = 0) -> None:
self.q_yield.put((0, "log", [src, msg, c]))
def _log_disabled(self, src: str, msg: str, c: Union[int, str] = 0) -> None:
pass
def logw(self, msg: str, c: Union[int, str] = 0) -> None:
self.log("mp{}".format(self.n), msg, c)
def main(self) -> None:
while True:
retq_id, dest, args = self.q_pend.get()
# self.logw("work: [{}]".format(d[0]))
if dest == "shutdown":
self.httpsrv.shutdown()
self.logw("ok bye")
sys.exit(0)
return
elif dest == "reload":
self.logw("mpw.asrv reloading")
self.asrv.reload()
self.logw("mpw.asrv reloaded")
elif dest == "listen":
self.httpsrv.listen(args[0], args[1])
elif dest == "retq":
# response from previous ipc call
with self.retpend_mutex:
retq = self.retpend.pop(retq_id)
retq.put(args)
else:
raise Exception("what is " + str(dest))
def ask(self, dest: str, *args: Any) -> ExceptionalQueue:
retq = ExceptionalQueue(1)
retq_id = id(retq)
with self.retpend_mutex:
self.retpend[retq_id] = retq
self.q_yield.put((retq_id, dest, list(args)))
return retq
def say(self, dest: str, *args: Any) -> None:
self.q_yield.put((0, dest, list(args)))