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Some of the asyncio SSL changes in GH-31275 [1] were taken from v0.16.0 of the uvloop project [2]. In order to comply with the MIT license, we need to just need to document the copyright information. [1]: https://github.com/python/cpython/pull/31275 [2]: https://github.com/MagicStack/uvloop/tree/v0.16.0
41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
# Contains code from https://github.com/MagicStack/uvloop/tree/v0.16.0
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# SPDX-License-Identifier: PSF-2.0 AND (MIT OR Apache-2.0)
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# SPDX-FileCopyrightText: Copyright (c) 2015-2021 MagicStack Inc. http://magic.io
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import enum
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# After the connection is lost, log warnings after this many write()s.
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LOG_THRESHOLD_FOR_CONNLOST_WRITES = 5
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# Seconds to wait before retrying accept().
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ACCEPT_RETRY_DELAY = 1
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# Number of stack entries to capture in debug mode.
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# The larger the number, the slower the operation in debug mode
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# (see extract_stack() in format_helpers.py).
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DEBUG_STACK_DEPTH = 10
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# Number of seconds to wait for SSL handshake to complete
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# The default timeout matches that of Nginx.
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SSL_HANDSHAKE_TIMEOUT = 60.0
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# Number of seconds to wait for SSL shutdown to complete
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# The default timeout mimics lingering_time
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SSL_SHUTDOWN_TIMEOUT = 30.0
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# Used in sendfile fallback code. We use fallback for platforms
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# that don't support sendfile, or for TLS connections.
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SENDFILE_FALLBACK_READBUFFER_SIZE = 1024 * 256
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FLOW_CONTROL_HIGH_WATER_SSL_READ = 256 # KiB
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FLOW_CONTROL_HIGH_WATER_SSL_WRITE = 512 # KiB
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# Default timeout for joining the threads in the threadpool
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THREAD_JOIN_TIMEOUT = 300
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# The enum should be here to break circular dependencies between
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# base_events and sslproto
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class _SendfileMode(enum.Enum):
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UNSUPPORTED = enum.auto()
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TRY_NATIVE = enum.auto()
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FALLBACK = enum.auto()
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