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877 Commits (immediate_remote_cancels)

Author SHA1 Message Date
Tyler Goodlet eb3662f981 Add a specially handled `ContextCancelled` error 2021-07-06 08:23:29 -04:00
Tyler Goodlet 3999849b03 Add a multi-task streaming test 2021-07-06 08:23:29 -04:00
Tyler Goodlet 39b9896a62 Only close recv chan if we get a ref 2021-07-06 08:23:29 -04:00
Tyler Goodlet 5b8b7d374a Add error case 2021-07-06 08:23:29 -04:00
Tyler Goodlet 9a4244b9a6 Support no arg to `Context.started()` like trio 2021-07-06 08:23:29 -04:00
Tyler Goodlet a2e2f7e7a8 Only send stop msg if not received from far end 2021-07-06 08:23:29 -04:00
Tyler Goodlet 6559fb72aa Expose msg stream types at top level 2021-07-06 08:23:29 -04:00
Tyler Goodlet e5bc07f355 Add dynamic pubsub test using new bidir stream apis 2021-07-06 08:23:29 -04:00
Tyler Goodlet e311430d25 Be more pedantic with error handling 2021-07-06 08:23:29 -04:00
Tyler Goodlet 08eb6bd019 Fix typing 2021-07-06 08:23:29 -04:00
Tyler Goodlet 98133a984e Parametrize with async for style tests 2021-07-06 08:23:29 -04:00
Tyler Goodlet 1f8966ba64 Support passing `shield` at stream contruction 2021-07-06 08:23:29 -04:00
Tyler Goodlet 4240efc7e3 Add basic test set 2021-07-06 08:23:29 -04:00
Tyler Goodlet 4846c6d498 Cancel scope on stream consumer completion 2021-07-06 08:23:29 -04:00
Tyler Goodlet 14114547e8 Expose `@context` decorator at top level 2021-07-06 08:23:29 -04:00
Tyler Goodlet e3955bb62b Add initial bi-directional streaming 
This mostly adds the api described in
https://github.com/goodboy/tractor/issues/53#issuecomment-806258798

The first draft summary:
- formalize bidir steaming using the `trio.Channel` style interface
  which we derive as a `MsgStream` type.
- add `Portal.open_context()` which provides a `trio.Nursery.start()`
  remote task invocation style for setting up and tearing down tasks
  contexts in remote actors.
- add a distinct `'started'` message to the ipc protocol to facilitate
  `Context.start()` with a first return value.
- for our `ReceiveMsgStream` type, don't cancel the remote task in
  `.aclose()`; this is now done explicitly by the surrounding `Context`
   usage: `Context.cancel()`.
- streams in either direction still use a `'yield'` message keeping the
  proto mostly symmetric without having to worry about which side is the
  caller / portal opener.
- subtlety: only allow sending a `'stop'` message during a 2-way
  streaming context from `ReceiveStream.aclose()`, detailed comment
  with explanation is included.

Relates to #53
 2021-07-06 08:23:29 -04:00
goodboy 4d530deac3
Merge pull request #215 from goodboy/transport_cleaning 
Transport cleaning: attempt to define our graceful channel close signal.
 2021-07-06 08:20:19 -04:00
Tyler Goodlet 55760b3fe0 Only expect further message in non-name-error first case 2021-07-04 12:55:36 -04:00
Tyler Goodlet 6aab16f877 Drop added logging around root cancel 2021-07-04 11:00:08 -04:00
Tyler Goodlet caa70245e0 Try remapping all broken errs wholesale on windows 2021-07-04 10:47:15 -04:00
Tyler Goodlet 9c9309faf8 Handle race for tty by child actors 2021-07-04 10:25:41 -04:00
Tyler Goodlet 3f75732b02 Remap windows specific connection reset error 2021-07-04 10:25:19 -04:00
Tyler Goodlet 1edf5c2f06 Specially remap TCP 104-connection-reset to `TransportClosed` 
Since we currently have no real "discovery protocol" between process
trees, the current naive approach is to check via a connect and drop to
see if a TCP server is bound to a particular address during root actor
startup. This was a historical decision and had no real grounding beyond
taking a simple approach to get something working when the project
was first started.

This  is obviously problematic from an error handling perspective since
we need to be able to avoid such quick connect-and-drops from cancelling
an "arbiter"'s (registry actor's) channel-msg loop machinery (which
would propagate and cancel the actor).

For now we map this particular TCP error, which gets remapped by `trio`
as a `trio.BrokenResourceError` to our own internal `TransportClosed`
which is swallowed by channel message loop processing and indicates
a graceful teardown of the far end actor.
 2021-07-03 18:57:54 -04:00
Tyler Goodlet a2d400583f Fix tuple type 2021-07-02 18:10:06 -04:00
Tyler Goodlet 85246d2df3 Benign deps reorg 2021-07-02 11:56:14 -04:00
Tyler Goodlet b372f4c92b Handle top level multierror that presents now? 2021-07-02 11:55:16 -04:00
Tyler Goodlet 32b4ae0603 Accept transport closed error during handshake and msg loop 2021-07-02 11:38:24 -04:00
Tyler Goodlet 80e100f818 Add our own "transport closed" signal 
This change some super old (and bad) code from the project's very early
days. For some redic reason i must have thought masking `trio`'s
internal stream / transport errors and a TCP EOF as `StopAsyncIteration`
somehow a good idea. The reality is you probably
want to know the difference between an unexpected transport error
and a simple EOF lol. This begins to resolve that by adding our own
special `TransportClosed` error to signal the "graceful" termination of
a channel's underlying transport. Oh, and this builds on the `msgspec`
integration which helped shed light on the core issues here B)
 2021-07-02 11:36:22 -04:00
Tyler Goodlet 44d7988204 New docs theme hotfix 2021-06-14 08:10:59 -04:00
goodboy e98302212a
Merge pull request #211 from goodboy/new_docs_polish 
New docs theme, readme actors rant.
 2021-06-14 07:33:02 -04:00
Tyler Goodlet 0301d105dd Better rant flow as per suggestions 2021-06-14 06:41:10 -04:00
Tyler Goodlet 4ee7db338d Fill out the rant a bit more 2021-06-14 06:31:16 -04:00
Tyler Goodlet 558d546c8f Bump readme for #210 2021-06-14 06:31:16 -04:00
Tyler Goodlet 5528a4eb45 Attempt configuring sphinx-book-theme 2021-06-14 06:31:16 -04:00
Tyler Goodlet fb23a9d8d4 Try out sphinx-book-theme 2021-06-14 06:31:16 -04:00
goodboy f48548ab94
Merge pull request #197 from goodboy/drop_run 
Drop run
 2021-05-07 12:02:23 -04:00
Tyler Goodlet 73e123bac7 Fix line length 2021-05-07 11:21:40 -04:00
Tyler Goodlet 2b4cf59ee1 Drop sleep 2021-05-07 11:21:40 -04:00
Tyler Goodlet 0551756e22 Use trio.run() in windows tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet 5ca963148e Disable leftover debug mode 2021-05-07 11:21:40 -04:00
Tyler Goodlet 4798d3b5db Drop lingering rpc_module_paths refs 2021-05-07 11:21:40 -04:00
Tyler Goodlet 247483ee93 Drop run and rpc_module_paths from streaming tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet 9e64161538 Drop run and rpc_module_paths from rpc tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet 3bddf9a94b Drop run and rpc_module_paths from spawning tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet 1eedd463cb Drop run and rpc_module_paths from pubsub tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet b46e60ab9d Drop run from multi prog tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet cb527c2562 Mostly drop run from local tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet 1584c547cd Drop run and rpc_module_paths from discovery tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet 2efd8ed167 Drop run and rpc_module_paths from cancel tests 2021-05-07 11:21:40 -04:00
Tyler Goodlet a54260a67e Drop tractor.run() from docs 2021-05-07 11:21:40 -04:00