| # 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 |
| |
| # Default timeout for joining the threads in the threadpool |
| THREAD_JOIN_TIMEOUT = 300 |
| |
| # 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() |
