57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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proxy.py
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~~~~~~~~
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⚡⚡⚡ Fast, Lightweight, Pluggable, TLS interception capable proxy server focused on
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Network monitoring, controls & Application development, testing, debugging.
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:copyright: (c) 2013-present by Abhinav Singh and contributors.
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:license: BSD, see LICENSE for more details.
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.. spelling::
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acceptor
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teardown
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"""
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import queue
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import logging
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import asyncio
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import contextlib
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from typing import Optional
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from typing import Any # noqa: W0611 pylint: disable=unused-import
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from .threadless import Threadless
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logger = logging.getLogger(__name__)
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class LocalExecutor(Threadless['queue.Queue[Any]']):
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"""A threadless executor implementation which uses a queue to receive new work."""
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def __init__(self, *args: Any, **kwargs: Any) -> None:
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super().__init__(*args, **kwargs)
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self._loop: Optional[asyncio.AbstractEventLoop] = None
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@property
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def loop(self) -> Optional[asyncio.AbstractEventLoop]:
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if self._loop is None:
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self._loop = asyncio.new_event_loop()
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return self._loop
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def work_queue_fileno(self) -> Optional[int]:
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return None
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def receive_from_work_queue(self) -> bool:
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with contextlib.suppress(queue.Empty):
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work = self.work_queue.get(block=False)
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if isinstance(work, bool) and work is False:
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return True
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assert isinstance(work, tuple)
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conn, addr = work
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# NOTE: Here we are assuming to receive a connection object
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# and not a fileno because we are a LocalExecutor.
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fileno = conn.fileno()
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self.work_on_tcp_conn(fileno=fileno, addr=addr, conn=conn)
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return False
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