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sdk: Allow to limit the number of concurrent network requests #3625
sdk: Allow to limit the number of concurrent network requests #3625
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #3625 +/- ##
==========================================
- Coverage 84.22% 84.21% -0.02%
==========================================
Files 256 256
Lines 26551 26565 +14
==========================================
+ Hits 22363 22372 +9
- Misses 4188 4193 +5 ☔ View full report in Codecov by Sentry. |
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I like the implementation; just a few nits here and there. Thanks!
(Also would be nice to test, but likely it's a lot of bother for little value, so not mandatory. For this one time :)) |
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Thanks for adding a test, this is on the right track! Might need a tweak to the test, a bit of Clippy and cargo xtask fixup style
, and that should be good to go.
async fn acquire(&self) -> MaybeSemaphorePermit<'_> { | ||
match self.0.as_ref() { | ||
Some(inner) => { | ||
// ignoring errors as we never close this |
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What kind of errors do you mean here?
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If the semaphore has been closed, this returns an AcquireError.
This only ever happens when there the Semphore was explicitly closed, which this MaybeSemaphore
doesn't ever do. So the error can never occur and can be ignored.
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Can you please update the comment to make this clear?
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New test failure when the test is running in the super-slow code coverage run: https://github.com/matrix-org/matrix-rust-sdk/actions/runs/9760610496/job/26939845059?pr=3625#step:9:1663
async fn acquire(&self) -> MaybeSemaphorePermit<'_> { | ||
match self.0.as_ref() { | ||
Some(inner) => { | ||
// ignoring errors as we never close this |
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Can you please update the comment to make this clear?
@bnjbvr yeah, looks like that 300ms wasn't long enough. I suppose the only way to fix it is to increase it to 1s again for that second test :( .
|
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Sweet, thanks!
Add a new
max_concurrent_requests
parameter in theRequestConfig
limits the number of http(s) requests the internal sdk client issues concurrently (if > 0). The default behavior is the same as before: there is no limit on concurrent requests issued.This is especially useful for resource constrained platforms (e.g. mobile platforms), and if your pattern might lead to issuing many requests at the same time (like downloading and caching all avatars at startup).
Signed-off-by: Benjamin Kampmann [email protected]