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lib64
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python3.11
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aiohttp
tcp_helpers.py
"""Helper methods to tune a TCP connection""" import asyncio import socket from contextlib import suppress from typing import Optional # noqa __all__ = ("tcp_keepalive", "tcp_nodelay") if hasattr(socket, "SO_KEEPALIVE"): def tcp_keepalive(transport: asyncio.Transport) -> None: sock = transport.get_extra_info("socket") if sock is not None: sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1) else: def tcp_keepalive(transport: asyncio.Transport) -> None: # pragma: no cover pass def tcp_nodelay(transport: asyncio.Transport, value: bool) -> None: sock = transport.get_extra_info("socket") if sock is None: return if sock.family not in (socket.AF_INET, socket.AF_INET6): return value = bool(value) # socket may be closed already, on windows OSError get raised with suppress(OSError): sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, value)
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