| Server IP : 78.140.185.180 / Your IP : 18.223.135.69 Web Server : LiteSpeed System : Linux cpanel13.v.fozzy.com 4.18.0-513.11.1.lve.el8.x86_64 #1 SMP Thu Jan 18 16:21:02 UTC 2024 x86_64 User : builderbox ( 1072) PHP Version : 7.3.33 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF Directory : /opt/alt/python37/lib64/python3.7/site-packages/aiohttp/ |
Upload File : |
import asyncio
from typing import Optional, cast
from .tcp_helpers import tcp_nodelay
class BaseProtocol(asyncio.Protocol):
__slots__ = (
"_loop",
"_paused",
"_drain_waiter",
"_connection_lost",
"_reading_paused",
"transport",
)
def __init__(self, loop: asyncio.AbstractEventLoop) -> None:
self._loop = loop # type: asyncio.AbstractEventLoop
self._paused = False
self._drain_waiter = None # type: Optional[asyncio.Future[None]]
self._connection_lost = False
self._reading_paused = False
self.transport = None # type: Optional[asyncio.Transport]
def pause_writing(self) -> None:
assert not self._paused
self._paused = True
def resume_writing(self) -> None:
assert self._paused
self._paused = False
waiter = self._drain_waiter
if waiter is not None:
self._drain_waiter = None
if not waiter.done():
waiter.set_result(None)
def pause_reading(self) -> None:
if not self._reading_paused and self.transport is not None:
try:
self.transport.pause_reading()
except (AttributeError, NotImplementedError, RuntimeError):
pass
self._reading_paused = True
def resume_reading(self) -> None:
if self._reading_paused and self.transport is not None:
try:
self.transport.resume_reading()
except (AttributeError, NotImplementedError, RuntimeError):
pass
self._reading_paused = False
def connection_made(self, transport: asyncio.BaseTransport) -> None:
tr = cast(asyncio.Transport, transport)
tcp_nodelay(tr, True)
self.transport = tr
def connection_lost(self, exc: Optional[BaseException]) -> None:
self._connection_lost = True
# Wake up the writer if currently paused.
self.transport = None
if not self._paused:
return
waiter = self._drain_waiter
if waiter is None:
return
self._drain_waiter = None
if waiter.done():
return
if exc is None:
waiter.set_result(None)
else:
waiter.set_exception(exc)
async def _drain_helper(self) -> None:
if self._connection_lost:
raise ConnectionResetError("Connection lost")
if not self._paused:
return
waiter = self._drain_waiter
if waiter is None:
waiter = self._loop.create_future()
self._drain_waiter = waiter
await asyncio.shield(waiter)