# Contains code from https://github.com/MagicStack/uvloop/tree/v0.16.0 # SPDX-License-Identifier: PSF-2.0 AND (MIT OR Apache-2.0) # SPDX-FileCopyrightText: Copyright (c) 2015-2021 MagicStack Inc. http://magic.io import enum # After the connection is lost, log warnings after this many write()s. LOG_THRESHOLD_FOR_CONNLOST_WRITES = 5 # Seconds to wait before retrying accept(). ACCEPT_RETRY_DELAY = 1 # Number of stack entries to capture in debug mode. # The larger the number, the slower the operation in debug mode # (see extract_stack() in format_helpers.py). DEBUG_STACK_DEPTH = 10 # Number of seconds to wait for SSL handshake to complete # The default timeout matches that of Nginx. SSL_HANDSHAKE_TIMEOUT = 60.0 # Number of seconds to wait for SSL shutdown to complete # The default timeout mimics lingering_time SSL_SHUTDOWN_TIMEOUT = 30.0 # Used in sendfile fallback code. We use fallback for platforms # that don't support sendfile, or for TLS connections. SENDFILE_FALLBACK_READBUFFER_SIZE = 1024 * 256 FLOW_CONTROL_HIGH_WATER_SSL_READ = 256 # KiB FLOW_CONTROL_HIGH_WATER_SSL_WRITE = 512 # KiB # The enum should be here to break circular dependencies between # base_events and sslproto class _SendfileMode(enum.Enum): UNSUPPORTED = enum.auto() TRY_NATIVE = enum.auto() FALLBACK = enum.auto()