ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæݹÈ߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØԟ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙ"""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)