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* tor-memquota: Make reclamation wakeup no longer throw internal errorsIan Jackson2024-09-042-5/+6
| | | | I realised a way this could happen without there being a bug.
* tor-memquota: Unstable cargo feature for exposing info for testingIan Jackson2024-09-043-3/+26
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* tor-memquota: Rework optionality configurationIan Jackson2024-09-046-31/+86
| | | | | | | | | | | | | | | | | | Allow a `Config` to represent "this is supposed to be disabled". This involves wrapping the actual built configuration in an IfEnabled. We treat max = usize::MAX, or max being unspecified, as "disable". We can now reporting an error during config building if max is set but we're compiling the feature out. Conversely, we can now make `MemoryQuotaTracker::new()` unconditional, since enabled confiogurations are uninhabited when the feature is compiled out. We change how we derive the setters, deriving them from the Builder. I chose to abolish the use of derive_builder. See the new comment on ConfigBuilder.
* tor-memquota: impl PartialEq for IfEnabled and EnabledTokenIan Jackson2024-09-041-2/+4
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* tor-memquota: Add unit tests for config handlingIan Jackson2024-09-042-0/+57
| | | | | We're about to change the config behaviour; adding these tests first allows us to demonstrate the changes.
* Bump all the unstable tor- and arti- crates to 0.22.0.Gabriela Moldovan2024-09-031-10/+10
| | | | | | | | | | Done using: ``` for crate in $(./maint/list_crates | rg '^(tor|arti-)'); do cargo set-version -p $crate 0.22.0 done ```
* Fix formatting issues introduced by fixup-features.Gabriela Moldovan2024-09-031-1/+8
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* Run fixup-features in preparation for release.Gabriela Moldovan2024-09-031-1/+1
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* Fix typosDimitris Apostolou2024-09-036-15/+15
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* Move stream_peek into tor-async-utilsJim Newsome2024-08-293-514/+3
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* Expose StreamUnobtrusivePeeker::as_raw_inner_pin_mutJim Newsome2024-08-271-1/+1
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* Remove NoopWaker; use futures::task::noop_waker_ref insteadJim Newsome2024-08-274-21/+5
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* byte_qty: Make serde dependency optional in tor-basic-utilsIan Jackson2024-08-271-1/+1
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* byte_qty: Move to tor-basic-utilsIan Jackson2024-08-276-74/+6
| | | | Code motion of byte_qty.rs, and minimal necessary supporting changes.
* byte_qty: Rename Qty to ByteQty and make it pubIan Jackson2024-08-272-8/+12
| | | | | | | We're going to make this into a proper public type. It's going to move into a different crate, where there's no prelude, so give it a bespoke set of imports too.
* byte_qty: Move Qty into its own module, byte_qty.Ian Jackson2024-08-274-57/+68
| | | | | | | Code motion, part 1. Also explain in comments at the top of the new module why we are doing this at all rather than using an existing thing.
* tor-memquota: Move the macro-containing modules earlier in the lib.rsIan Jackson2024-08-271-2/+3
| | | | | | This makes more sense than having them alphabetical. Noticed while I was working on moving other code.
* Merge branch 'peekable-poll-set' into 'main'Jim Newsome2024-08-214-51/+38
|\ | | | | | | | | Add and use `PeekableStream` and `UnobtrusivePeekableStream` See merge request tpo/core/arti!2345
| * Expose stream_peekJim Newsome2024-08-212-6/+18
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| * PeekFuture: implement for all PeekableStreamJim Newsome2024-08-211-5/+6
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| * StreamUnobtrusivePeeker: implement PeekableStream and UnobtrusivePeekableStreamJim Newsome2024-08-213-41/+15
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* | tor-memquota: IfEnabled: Complete a thought in a commentIan Jackson2024-08-211-1/+3
| | | | | | | | | | Reported at https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2351#note_3062292
* | tor-memquota: Pass EnabledToken to HasMemoryCost methodIan Jackson2024-08-192-17/+29
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* | tor-memquota: Pass EnabledToken to IsParticipant methodsIan Jackson2024-08-196-19/+22
| | | | | | | | | | | | | | This will hopefully allow much caller code to be compiled out. The users (IsParticipant impls) don't generally need to bother with it - they can just ignore it.
* | tor-memquota: Put EnabledToken in various structs, including the reclaimerIan Jackson2024-08-193-4/+26
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* | tor-memquota: Allow memory tracking to be compiled outIan Jackson2024-08-196-6/+46
| | | | | | | | | | | | | | Now if we run doctests without the feature enabled, we test that a no-op MemoryQuotaTracker works. Those tests aren't currently run in CI, but they will be after !2350.
* | tor-memquota: Support a no-op MemoryQuotaTrackerIan Jackson2024-08-194-51/+168
| | | | | | | | | | | | | | | | | | | | Wrap up most of the structures in IfEnabled. Sadly this diff is very noisy. I experimented with macros for the little enabled check at the start of each function but they didn't really help. We don't test this yet. We'll do a smoke test of this later.
* | tor-memquota: Introduce self_ variables in mtracker.rs (fmt)Ian Jackson2024-08-191-1/+4
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* | tor-memquota: Introduce self_ variables in mtracker.rsIan Jackson2024-08-191-48/+69
| | | | | | | | | | | | | | | | We're going to bind self_ to something more complicated, in each of these functions, and that's what all these field references etc. will need to refer to. Do this mechanical change first for clarity.
* | tor-memquota: Introduce IfEnabled and EnabledTokenIan Jackson2024-08-193-0/+84
| | | | | | | | EnabledToken is pub because it's going to appear in public APIs.
* | tor-memquota: find_in_tracker: Allow internal use of non-unit errorsIan Jackson2024-08-191-6/+6
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* | tor-memquota: pre-apply rustfmt churnIan Jackson2024-08-192-4/+14
|/ | | | This will make some later diffs easier to read.
* tor-memquota: mq_queue: tests: Replace eprintln with debugIan Jackson2024-08-151-1/+1
| | | | We use `debug!` (tracing logging) everywhere else. Use it here too.
* tor-memquota: mq_queue: tests: fill_and_empty: check balanceIan Jackson2024-08-151-0/+3
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* tor-memquota: mq_queue: tests: break out check_zero_claimed and fix bugIan Jackson2024-08-151-1/+17
| | | | | | | | | | | Each queue has two `Participation`s, not just one. This didn't matter in the `lifecycle` test, because one of the two Participations was never touched since it was cloned, and a fresh clone starts out with a cache of zero. But we're about to reuse this code in a context where both Participations end up with a cache.
* tor-memquota: mq_queue: impl Default for MpscUnboundedSpecIan Jackson2024-08-151-1/+1
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* tor-memquota: mq_queue: Provide `new` constructors for SpecsIan Jackson2024-08-152-3/+8
| | | | | Discussed here https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2292#note_3059928
* tor-memquota: mq_queue: Fix doc for `MpscSpec`Ian Jackson2024-08-151-2/+2
| | | | It's not a unit. It's `MpscUnboundedSpec` that's a unit
* tor-memquota: mq_queue: Rename Mpsc to MpscSpecIan Jackson2024-08-151-12/+12
| | | | | | | And MpscUnboundedSpec too. As discussed in https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2292#note_3059516
* tor-memquota: mq_queue: Add a caveat about faithfulness/accuracyIan Jackson2024-08-151-0/+14
| | | | | Prompted by https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2292#note_3059543
* tor-memquota: Rename mby test helper fn to mbytesIan Jackson2024-08-153-18/+18
| | | | | As per https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2292#note_3059520
* tor-memquota: mq_queue: Call mpsc::Receiver::close in our rx DropIan Jackson2024-08-151-0/+27
| | | | | Fixes the livelock possibility discussed here https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2292#note_3059519
* tor-memquota: StreamUnobtrusivePeeker: provide as_raw_inner_pin_mutIan Jackson2024-08-151-0/+11
| | | | | | | | This will let us call mpsc::Receiver::close. We have it take Pin, even though we don't really want that for our use case, because if you use StreamUnobtrusivePeeker with a non-Unpin stream you'll ant that.
* tor-memquota: mq_queue: Add fill_and_empty testIan Jackson2024-08-151-0/+23
| | | | | Prompted by https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2292#note_3059518
* tor-memquota: Add blank lines before fns except in testsIan Jackson2024-08-151-0/+6
| | | | | Requested by https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2292#note_3059517
* tor-memquota: Fix typosIan Jackson2024-08-152-5/+5
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* tor-memquota: Add mq_queue, memory-quota-tracking (MPSC) queue (tests)Ian Jackson2024-08-151-0/+179
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* tor-memquota: Add mq_queue, memory-quota-tracking (MPSC) queueIan Jackson2024-08-155-5/+507
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* tor-memquota: Add a Sealed traitIan Jackson2024-08-152-0/+7
| | | | We'll use this in a moment.
* tor-memquota: Provide Participation::new_dangling and WeakAccount::new_danglingIan Jackson2024-08-151-0/+26
| | | | | We're going to want the one for Participation - it saves us an annoying Option. Let's provide the one for WeakAccount too.
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