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path: root/Lib/asyncio/proactor_events.py
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* bpo-23846: Fix ProactorEventLoop._write_to_self() (GH-11566)Victor Stinner2019-01-151-1/+7
| | | | | | asyncio.ProactorEventLoop now catchs and logs send errors when the self-pipe is full: BaseProactorEventLoop._write_to_self() now catchs and logs OSError exceptions, as done by BaseSelectorEventLoop._write_to_self().
* asyncio: __del__() keep reference to warnings.warn (GH-11491)Victor Stinner2019-01-101-3/+2
| | | | | | | | | | | | | | | * asyncio: __del__() keep reference to warnings.warn The __del__() methods of asyncio classes now keep a strong reference to the warnings.warn() to be able to display the ResourceWarning warning in more cases. Ensure that the function remains available if instances are destroyed late during Python shutdown (while module symbols are cleared). * Rename warn parameter to _warn "_warn" name is a hint that it's not the regular warnings.warn() function.
* bpo-35682: Fix _ProactorBasePipeTransport._force_close() (GH-11462)Victor Stinner2019-01-081-1/+1
| | | | | | | bpo-32622, bpo-35682: Fix asyncio.ProactorEventLoop.sendfile(): don't attempt to set the result of an internal future if it's already done. Fix asyncio _ProactorBasePipeTransport._force_close(): don't set the result of _empty_waiter if it's already done.
* bpo-23057: add loop self socket as wakeup fd for signals (#11135)Vladimir Matveev2018-12-181-1/+4
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* bpo-35380: Enable TCP_NODELAY for proactor event loop (#10867)Andrew Svetlov2018-12-031-1/+5
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* bpo-34622: Extract asyncio exceptions into a separate module (GH-9141)Andrew Svetlov2018-09-111-5/+6
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* bpo-33833: Fix ProactorSocketTransport AssertionError (#7893)twisteroid ambassador2018-07-301-0/+4
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* bpo-33694: Fix typo in helper function name (GH-7522)Victor Stinner2018-06-081-1/+1
| | | | | | _feed_data_to_bufferred_proto() renamed to _feed_data_to_buffered_proto() ("bufferred" => "buffered"). Typo spotted by Nathaniel J. Smith.
* bpo-33694: Fix race condition in asyncio proactor (GH-7498)Victor Stinner2018-06-081-125/+53
| | | | | | | | | | | | | | | | The cancellation of an overlapped WSARecv() has a race condition which causes data loss because of the current implementation of proactor in asyncio. No longer cancel overlapped WSARecv() in _ProactorReadPipeTransport to work around the race condition. Remove the optimized recv_into() implementation to get simple implementation of pause_reading() using the single _pending_data attribute. Move _feed_data_to_bufferred_proto() to protocols.py. Remove set_protocol() method which became useless.
* bpo-33654: Support BufferedProtocol in set_protocol() and start_tls() (GH-7130)Yury Selivanov2018-05-281-11/+41
| | | | | | | | | | | In this commit: * Support BufferedProtocol in set_protocol() and start_tls() * Fix proactor to cancel readers reliably * Update tests to be compatible with OpenSSL 1.1.1 * Clarify BufferedProtocol docs * Bump TLS tests timeouts to 60 seconds; eliminate possible race from start_serving * Rewrite test_start_tls_server_1
* bpo-26819: Prevent proactor double read on resume (#6921)CtrlZvi2018-05-201-1/+7
| | | | | | | | | | The proactor event loop has a race condition when reading with pausing/resuming. `resume_reading()` unconditionally schedules the read function to read from the current future. If `resume_reading()` was called before the previously scheduled done callback fires, this results in two attempts to get the data from the most recent read and an assertion failure. This commit tracks whether or not `resume_reading` needs to reschedule the callback to restart the loop, preventing a second attempt to read the data.
* bpo-32622: Native sendfile on windows (#5565)Andrew Svetlov2018-02-251-1/+69
| | | * Support sendfile on Windows Proactor event loop naively.
* bpo-32251: Implement asyncio.BufferedProtocol. (#4755)Yury Selivanov2018-01-281-20/+117
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* bpo-32622: Implement loop.sendfile() (#5271)Andrew Svetlov2018-01-271-1/+8
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* bpo-23749: Implement loop.start_tls() (#5039)Yury Selivanov2017-12-301-0/+2
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* bpo-29970: Make ssh_handshake_timeout None by default (#4939)Andrew Svetlov2017-12-201-2/+2
| | | | | * Make ssh_handshake_timeout None by default. * Raise ValueError if ssl_handshake_timeout is used without ssl. * Raise ValueError if ssl_handshake_timeout is not positive.
* bpo-29970: Add timeout for SSL handshake in asyncioNeil Aspinall2017-12-191-7/+13
| | | | 10 seconds by default.
* bpo-29711: Fix stop_serving in proactor loop kill all listening servers (#431)Julien Duponchelle2017-12-191-1/+3
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* bpo-32356: idempotent pause_/resume_reading; new is_reading method. (#4914)Yury Selivanov2017-12-181-8/+7
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* bpo-32327: Convert asyncio functions documented as coroutines to coroutines. ↵Yury Selivanov2017-12-141-10/+10
| | | | (#4872)
* bpo-32262: Fix codestyle; use f-strings formatting where necessary. (#4775)Yury Selivanov2017-12-101-13/+14
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* asyncio: use directly socket.socketpair() (#4597)Victor Stinner2017-11-281-4/+1
| | | | | Since Python 3.5, socket.socketpair() is also available on Windows, and so can be used directly, rather than using asyncio.windows_utils.socketpair().
* bpo-32069: Drop legacy SSL transport (#4451)Andrew Svetlov2017-11-181-5/+0
| | | | | | | | | | * Drop legacy SSL transport * Drop unused import * Fix Windows tests * Drop never executed on Python 3.4+ code
* bpo-31819: Add AbstractEventLoop.sock_recv_into() (#4051)Antoine Pitrou2017-10-191-0/+3
| | | | | | | | * bpo-31819: Add AbstractEventLoop.sock_recv_into() * Add NEWS * Add doc
* Fix TypeError is asyncio/proactor_events (#993)Jim Fasarakis-Hilliard2017-06-091-2/+3
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* bpo-29617: Remove Python 3.3 support from asyncio (GH-232)INADA Naoki2017-04-251-10/+5
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* Merge 3.5 (issue #27906)Yury Selivanov2016-09-151-1/+1
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| * Issue #27906: Fix socket accept exhaustion during high TCP traffic.Yury Selivanov2016-09-151-1/+1
| | | | | | | | Patch by Kevin Conway.
* | Merge 3.5 (asyncio)Yury Selivanov2016-09-111-0/+6
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| * asyncio: Add set_protocol / get_protocol methods to TransportsYury Selivanov2016-09-111-0/+6
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* | Merge 3.5 (issue #27136, asyncio)Yury Selivanov2016-06-081-8/+1
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| * Issue #27136: Fix DNS static resolution; don't use it in getaddrinfoYury Selivanov2016-06-081-8/+1
| | | | | | | | Patch by A. Jesse Jiryu Davis
* | Merge 3.5 (Issue #27041)Yury Selivanov2016-05-161-1/+1
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| * Issue #27041: asyncio: Add loop.create_future methodYury Selivanov2016-05-161-1/+1
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* | Merge 3.5 (asyncio)Victor Stinner2016-04-011-1/+1
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| * asyncio: Don't log ConnectionAbortedErrorVictor Stinner2016-04-011-1/+1
| | | | | | | | | | Issue #26509: In fatal error handlers, don't log ConnectionAbortedError which occur on Windows.
* | Add a source parameter to warnings.warn()Victor Stinner2016-03-231-1/+2
|/ | | | | | | | Issue #26604: * Add a new optional source parameter to _warnings.warn() and warnings.warn() * Modify asyncore, asyncio and _pyio modules to set the source parameter when logging a ResourceWarning warning
* asyncio: Skip getaddrinfo if host is already resolved.Yury Selivanov2015-12-161-2/+1
| | | | | | | | | | | | | getaddrinfo takes an exclusive lock on some platforms, causing clients to queue up waiting for the lock if many names are being resolved concurrently. Users may want to handle name resolution in their own code, for the sake of caching, using an alternate resolver, or to measure DNS duration separately from connection duration. Skip getaddrinfo if the "host" passed into create_connection is already resolved. See https://github.com/python/asyncio/pull/302 for details. Patch by A. Jesse Jiryu Davis.
* asyncio: Cleanup Future APIYury Selivanov2015-11-171-1/+2
| | | | See https://github.com/python/asyncio/pull/292 for details.
* asyncio: Add Transport.is_closing()Yury Selivanov2015-11-161-0/+3
| | | | See https://github.com/python/asyncio/pull/291 for details.
* asyncio: Sync with upstream (compat module)Yury Selivanov2015-08-041-2/+2
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* asyncio: Only call _check_resolved_address() in debug modeVictor Stinner2015-02-041-1/+2
| | | | | | | | | | | | | | | | * _check_resolved_address() is implemented with getaddrinfo() which is slow * If available, use socket.inet_pton() instead of socket.getaddrinfo(), because it is much faster Microbenchmark (timeit) on Fedora 21 (Python 3.4, Linux 3.17, glibc 2.20) to validate the IPV4 address "127.0.0.1" or the IPv6 address "::1": * getaddrinfo() 10.4 usec per loop * inet_pton(): 0.285 usec per loop On glibc older than 2.14, getaddrinfo() always requests the list of all local IP addresses to the kernel (using a NETLINK socket). getaddrinfo() has other known issues, it's better to avoid it when it is possible.
* Issue #23243, asyncio: Emit a ResourceWarning when an event loop or a transportVictor Stinner2015-01-291-0/+11
| | | | is not explicitly closed. Close also explicitly transports in test_sslproto.
* asyncio: SSL transports now clear their reference to the waiterVictor Stinner2015-01-291-1/+1
| | | | | | | * Rephrase also the comment explaining why the waiter is not awaken immediatly. * SSLProtocol.eof_received() doesn't instanciate ConnectionResetError exception directly, it will be done by Future.set_exception(). The exception is not used if the waiter was cancelled or if there is no waiter.
* asyncio: Enhance BaseProactorEventLoop._loop_self_reading()Victor Stinner2015-01-211-3/+9
| | | | | | | | * Handle correctly CancelledError: just exit * On error, log the exception and exit Don't try to close the event loop, it is probably running and so it cannot be closed.
* asyncio: Fix _ProactorBasePipeTransport.close()Victor Stinner2015-01-151-1/+3
| | | | | | | Set the _read_fut attribute to None after cancelling it. This change should fix a race condition with _ProactorWritePipeTransport._pipe_closed().
* asyncio: Fix _ProactorBasePipeTransport.__repr__()Victor Stinner2015-01-151-3/+3
| | | | Check if the _sock attribute is None to check if the transport is closed.
* asyncio: sync with TulipVictor Stinner2015-01-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | * PipeHandle now uses None instead of -1 for a closed handle * Sort imports in windows_utils. * Fix test_events on Python older than 3.5. Skip SSL tests on the ProactorEventLoop if ssl.MemoryIO is missing * Fix BaseEventLoop._create_connection_transport(). Close the transport if the creation of the transport (if the waiter) gets an exception. * _ProactorBasePipeTransport now sets _sock to None when the transport is closed. * Fix BaseSubprocessTransport.close(). Ignore pipes for which the protocol is not set yet (still equal to None). * TestLoop.close() now calls the close() method of the parent class (BaseEventLoop). * Cleanup BaseSelectorEventLoop: create the protocol on a separated line for readability and ease debugging. * Fix BaseSubprocessTransport._kill_wait(). Set the _returncode attribute, so close() doesn't try to terminate the process. * Tests: explicitly close event loops and transports * UNIX pipe transports: add closed/closing in repr(). Add "closed" or "closing" state in the __repr__() method of _UnixReadPipeTransport and _UnixWritePipeTransport classes.
* Issue #22560: New SSL implementation based on ssl.MemoryBIOVictor Stinner2015-01-141-6/+25
| | | | | | | | | | | | | | | | | | | The new SSL implementation is based on the new ssl.MemoryBIO which is only available on Python 3.5. On Python 3.4 and older, the legacy SSL implementation (using SSL_write, SSL_read, etc.) is used. The proactor event loop only supports the new implementation. The new asyncio.sslproto module adds _SSLPipe, SSLProtocol and _SSLProtocolTransport classes. _SSLPipe allows to "wrap" or "unwrap" a socket (switch between cleartext and SSL/TLS). Patch written by Antoine Pitrou. sslproto.py is based on gruvi/ssl.py of the gruvi project written by Geert Jansen. This change adds SSL support to ProactorEventLoop on Python 3.5 and newer! It becomes also possible to implement STARTTTLS: switch a cleartext socket to SSL.
* Issue #22922: Fix ProactorEventLoop.close()Victor Stinner2015-01-131-1/+7
| | | | | Close the IocpProactor before closing the event loop. IocpProactor.close() can call loop.call_soon(), which is forbidden when the event loop is closed.
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