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Author SHA1 Message Date
Richard van der Hoff
39230d2171
Clean up some LoggingContext stuff (#7120)
* Pull Sentinel out of LoggingContext

... and drop a few unnecessary references to it

* Factor out LoggingContext.current_context

move `current_context` and `set_context` out to top-level functions.

Mostly this means that I can more easily trace what's actually referring to
LoggingContext, but I think it's generally neater.

* move copy-to-parent into `stop`

this really just makes `start` and `stop` more symetric. It also means that it
behaves correctly if you manually `set_log_context` rather than using the
context manager.

* Replace `LoggingContext.alive` with `finished`

Turn `alive` into `finished` and make it a bit better defined.
2020-03-24 14:45:33 +00:00
Patrick Cloke
509e381afa
Clarify list/set/dict/tuple comprehensions and enforce via flake8 (#6957)
Ensure good comprehension hygiene using flake8-comprehensions.
2020-02-21 07:15:07 -05:00
Andrew Morgan
9f7aaf90b5
Validate client_secret parameter (#6767) 2020-01-24 14:28:40 +00:00
Richard van der Hoff
acc7820574 Log saml assertions rather than the whole response
... since the whole response is huge.

We even need to break up the assertions, since kibana otherwise truncates them.
2020-01-16 22:26:34 +00:00
Erik Johnston
35f3c366ef
Merge pull request #6505 from matrix-org/erikj/make_deferred_yiedable
Fix `make_deferred_yieldable` to work with coroutines
2019-12-10 14:20:26 +00:00
Erik Johnston
9a2223d4c8 Fix make_deferred_yieldable to work with coroutines 2019-12-10 11:22:12 +00:00
Erik Johnston
f166a8d1f5 Remove SnapshotCache in favour of ResponseCache 2019-12-09 13:42:49 +00:00
Erik Johnston
326b3dace7 Make ObservableDeferred.observe() always return deferred.
This makes it easier to use in an async/await world.

Also fixes a bug where cache descriptors would occaisonally return a raw
value rather than a deferred.
2019-10-30 11:35:46 +00:00
Erik Johnston
d0d8a22c13 Quick fix to ensure cache descriptors always return deferreds 2019-10-28 13:33:04 +00:00
Richard van der Hoff
1e19ce00bf
Add 'failure_ts' column to 'destinations' table (#6016)
Track the time that a server started failing at, for general analysis purposes.
2019-09-17 11:41:54 +01:00
Erik Johnston
17e1e80726 Retry well-known lookup before expiry.
This gives a bit of a grace period where we can attempt to refetch a
remote `well-known`, while still using the cached result if that fails.

Hopefully this will make the well-known resolution a bit more torelant
of failures, rather than it immediately treating failures as "no result"
and caching that for an hour.
2019-08-13 16:20:38 +01:00
Richard van der Hoff
618bd1ee76
Fix some error cases in the caching layer. (#5749)
There was some inconsistent behaviour in the caching layer around how
exceptions were handled - particularly synchronously-thrown ones.

This seems to be most easily handled by pushing the creation of
ObservableDeferreds down from CacheDescriptor to the Cache.
2019-07-25 15:59:45 +01:00
Amber Brown
4806651744
Replace returnValue with return (#5736) 2019-07-23 23:00:55 +10:00
Richard van der Hoff
9481707a52
Fixes to the federation rate limiter (#5621)
- Put the default window_size back to 1000ms (broken by #5181)
- Make the `rc_federation` config actually do something
- fix an off-by-one error in the 'concurrent' limit
- Avoid creating an unused `_PerHostRatelimiter` object for every single
  incoming request
2019-07-05 11:10:19 +01:00
Amber Brown
463b072b12
Move logging utilities out of the side drawer of util/ and into logging/ (#5606) 2019-07-04 00:07:04 +10:00
Amber Brown
0ee9076ffe Fix media repo breaking (#5593) 2019-07-02 19:01:28 +01:00
Amber Brown
32e7c9e7f2
Run Black. (#5482) 2019-06-20 19:32:02 +10:00
Amber Brown
b36c82576e
Run Black on the tests again (#5170) 2019-05-10 00:12:11 -05:00
Andrew Morgan
caa76e6021
Remove periods from copyright headers (#5046) 2019-04-11 17:08:13 +01:00
Richard van der Hoff
bc5f6e1797
Add a caching layer to .well-known responses (#4516) 2019-01-30 10:55:25 +00:00
Richard van der Hoff
676cf2ee26
Fix incorrect logcontexts after a Deferred was cancelled (#4407) 2019-01-17 14:00:23 +00:00
Richard van der Hoff
4a15a3e4d5
Include eventid in log lines when processing incoming federation transactions (#3959)
when processing incoming transactions, it can be hard to see what's going on,
because we process a bunch of stuff in parallel, and because we may end up
recursively working our way through a chain of three or four events.

This commit creates a way to use logcontexts to add the relevant event ids to
the log lines.
2018-09-27 11:25:34 +01:00
Erik Johnston
8601c24287 Fix some instances of ExpiringCache not expiring cache items
ExpiringCache required that `start()` be called before it would actually
start expiring entries. A number of places didn't do that.

This PR removes `start` from ExpiringCache, and automatically starts
backround reaping process on creation instead.
2018-09-21 14:19:46 +01:00
black
8b3d9b6b19 Run black. 2018-08-10 23:54:09 +10:00
Amber Brown
b37c472419
Rename async to async_helpers because async is a keyword on Python 3.7 (#3678) 2018-08-10 23:50:21 +10:00
Richard van der Hoff
a8cbce0ced fix invalidation 2018-07-27 16:17:17 +01:00
Richard van der Hoff
f102c05856 Rewrite cache list decorator
Because it was complicated and annoyed me. I suspect this will be more
efficient too.
2018-07-27 13:47:04 +01:00
Richard van der Hoff
3d6df84658 Test and fix support for cancellation in Linearizer 2018-07-20 13:59:55 +01:00
Richard van der Hoff
7c712f95bb Combine Limiter and Linearizer
Linearizer was effectively a Limiter with max_count=1, so rather than
maintaining two sets of code, let's combine them.
2018-07-20 13:11:43 +01:00
Richard van der Hoff
d7275eecf3 Add a sleep to the Limiter to fix stack overflows.
Fixes #3570
2018-07-20 12:37:12 +01:00
Erik Johnston
850238b4ef Add unit test 2018-07-17 10:59:02 +01:00
Erik Johnston
bc832f822f Fixup unit test 2018-07-13 17:03:04 +01:00
Amber Brown
49af402019 run isort 2018-07-09 16:09:20 +10:00
Richard van der Hoff
ea555d5633 Reinstate lost run_on_reactor in unit test
a61738b removed a call to run_on_reactor from a unit test, but that call was
doing something useful, in making the function in question asynchronous.

Reinstate the call and add a check that we are testing what we wanted to be
testing.
2018-07-04 09:40:01 +01:00
Richard van der Hoff
43e02c409d Disable partial state group caching for wildcard lookups
When _get_state_for_groups is given a wildcard filter, just do a complete
lookup. Hopefully this will give us the best of both worlds by not filling up
the ram if we only need one or two keys, but also making the cache still work
for the federation reader usecase.
2018-06-22 11:52:07 +01:00
Amber Brown
77ac14b960
Pass around the reactor explicitly (#3385) 2018-06-22 09:37:10 +01:00
Amber Brown
a61738b316
Remove run_on_reactor (#3395) 2018-06-14 18:27:37 +10:00
Amber Brown
f7869f8f8b
Port to sortedcontainers (with tests!) (#3332) 2018-06-06 00:13:57 +10:00
Matthew Hodgson
adb6bac4d5 fix another dumb typo 2018-05-29 02:29:22 +01:00
Richard van der Hoff
415c6b672e Merge branch 'develop' into rav/more_logcontext_leaks 2018-05-02 16:16:01 +01:00
Richard van der Hoff
11607006d9 Remove spurious unittest.DEBUG 2018-05-02 15:48:47 +01:00
Richard van der Hoff
f22e7cda2c Fix a class of logcontext leaks
So, it turns out that if you have a first `Deferred` `D1`, you can add a
callback which returns another `Deferred` `D2`, and `D2` must then complete
before any further callbacks on `D1` will execute (and later callbacks on `D1`
get the *result* of `D2` rather than `D2` itself).

So, `D1` might have `called=True` (as in, it has started running its
callbacks), but any new callbacks added to `D1` won't get run until `D2`
completes - so if you `yield D1` in an `inlineCallbacks` function, your `yield`
will 'block'.

In conclusion: some of our assumptions in `logcontext` were invalid. We need to
make sure that we don't optimise out the logcontext juggling when this
situation happens. Fortunately, it is easy to detect by checking `D1.paused`.
2018-05-02 11:58:00 +01:00
Richard van der Hoff
e482f8cd85 Fix incorrect reference to StringIO
This was introduced in 4f2f5171
2018-05-02 09:12:26 +01:00
Richard van der Hoff
3d1ae61399 Merge branch 'develop' into rav/deferred_timeout 2018-04-27 12:54:43 +01:00
Richard van der Hoff
1ea904b9f0 Use deferred.addTimeout instead of time_bound_deferred
This doesn't feel like a wheel we need to reinvent.
2018-04-23 00:53:18 +01:00
Adrian Tschira
a1a3c9660f Make tests py3 compatible
This is a mixed commit that fixes various small issues

 * print parentheses
 * 01 is invalid syntax (it was octal in py2)
 * [x for i in 1, 2] is invalid syntax
 * six moves

Signed-off-by: Adrian Tschira <nota@notafile.com>
2018-04-16 00:39:32 +02:00
Richard van der Hoff
01afc563c3 Fix overzealous cache invalidation
Fixes an issue where a cache invalidation would invalidate *all* pending
entries, rather than just the entry that we intended to invalidate.
2018-04-05 16:24:04 +01:00
Erik Johnston
b6dc7044a9
Merge pull request #2804 from matrix-org/erikj/file_consumer
Add decent impl of a FileConsumer
2018-01-18 16:31:33 +00:00
Erik Johnston
1432f7ccd5 Move test stuff to tests 2018-01-18 11:57:57 +00:00
Erik Johnston
bc67e7d260 Add decent impl of a FileConsumer
Twisted core doesn't have a general purpose one, so we need to write one
ourselves.

Features:
- All writing happens in background thread
- Supports both push and pull producers
- Push producers get paused if the consumer falls behind
2018-01-17 16:43:03 +00:00