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* | | | Merge branch 'maybenot-bypass-simplification' into 'main'gabi-2502025-09-151-15/+32
|\ \ \ \ | |_|_|/ |/| | | | | | | | | | | proto: Simplify/correct padding-based blocking logic. See merge request tpo/core/arti!3252
| * | | proto: Simplify/correct padding-based blocking logic.Nick Mathewson2025-09-111-15/+32
| | |/ | |/| | | | | | | | | | | | | | | | | | | The correction: We want to report a block as bypassable only if _every_ currently blocking hop has bypassable blocking. The simplification: We don't need to report the first hop that's blocking any more.
* / | tor-proto: fix path of `semver.md`Steven Engler2025-09-111-1/+0
|/ / | | | | | | | | `Release.md` gives a wildcard path of `crates/*/semver.md`, so it seems that these files should go in the top level of each crate.
* | tor-proto: add some missing doc commentsSteven Engler2025-09-105-1/+17
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* | tor-proto: put some code behind the "flowctl-cc" featureSteven Engler2025-09-102-0/+2
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* | tor-proto: rename `StreamFlowCtrl` constructorsSteven Engler2025-09-104-8/+8
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* | tor-proto: simplify `StreamFlowCtrlEnum` with `enum_dispatch`Steven Engler2025-09-105-92/+67
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* | tor-proto: rename `StreamFlowControl` to `StreamFlowCtrl`Steven Engler2025-09-106-36/+36
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* | tor-proto: rename `StreamFlowControlEnum` to `StreamFlowCtrlEnum`Steven Engler2025-09-101-18/+18
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* | tor-proto: remove some unneeded `pub(crate)`Steven Engler2025-09-102-8/+5
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* | tor-proto: move xon/xoff flow ctrl logic to `XonXoffFlowCtrl`Steven Engler2025-09-102-143/+171
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* | tor-proto: move window flow ctrl logic to `WindowFlowCtrl`Steven Engler2025-09-102-36/+70
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* | tor-proto: move flow control state constructorsSteven Engler2025-09-103-7/+27
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* | tor-proto: renamed `XonXoffControl` to `XonXoffFlowCtrl`Steven Engler2025-09-102-4/+4
| | | | | | | | For consistency with `WindowFlowControl`.
* | tor-proto: moved `XonXoffControl` and `LastSentXonXoff`Steven Engler2025-09-103-25/+36
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* | tor-proto: added a `WindowFlowCtrl` state typeSteven Engler2025-09-104-5/+15
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* | tor-proto: move `DrainRateRequest`Steven Engler2025-09-106-12/+15
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* | tor-proto: remove a `pub(crate) use` from `client::stream`Steven Engler2025-09-1010-14/+20
| | | | | | | | | | For internal types, I think it becomes too much of a mess to export everything through a single module.
* | tor-proto: reorganize some flow control modulesSteven Engler2025-09-107-6/+10
|/ | | | This is all private (or pub(crate)) code.
* Two grammar/typo fixes from @gabi-250Nick Mathewson2025-09-092-2/+2
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* proto: Make PaddingEvent uninhabited when padding is disabled.Nick Mathewson2025-09-094-22/+29
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* proto: correctly use the QueuedCellPaddingInfo for padding.Nick Mathewson2025-09-091-8/+15
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* proto: Implement run_padding_action.Nick Mathewson2025-09-094-8/+194
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* CircuitCellSender: add methods to implement blocking.Nick Mathewson2025-09-091-0/+41
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* proto: add SometimesUnboundedSink::as_inner_mut.Nick Mathewson2025-09-091-0/+11
| | | | Include suitable dire warnings about actually using it.
* proto: Watch for PaddingEvents in tunnel reactor.Nick Mathewson2025-09-093-5/+81
| | | | | | | Here we give every Circuit in a conflux set its own PaddingEventStream, and poll it as appropriate. We don't yet actually implement the "take an action" code.
* proto: Make PaddingEventStream implement FusedStream.Nick Mathewson2025-09-082-0/+16
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* proto: Make CircuitCellSender type conditional depending on circpadding.Nick Mathewson2025-09-081-13/+116
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* Wrap a Circuit's outbound cell queue as its own type.Nick Mathewson2025-09-082-6/+109
| | | | This will make it easier to refactor this as needed.
* SinkBlocker: Add a comment in poll_flushNick Mathewson2025-09-081-0/+2
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* SometimesUnboundedSink: clarifying documentation.Nick Mathewson2025-09-081-0/+7
| | | | | Explain how exactly its "you-must-poll-me" behavior relates to the rest of the Sink ecosystem.
* proto: Make CountingPolicy constructors pub(crate).Nick Mathewson2025-09-081-3/+3
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* Require maybenot 2.2.0 for paddingNick Mathewson2025-09-081-2/+1
| | | | | It cleans up and changes a few things. Changelog at https://github.com/maybenot-io/maybenot/blob/main/crates/maybenot/CHANGELOG.md
* Merge branch 'conflux-refactor' into 'main'gabi-2502025-09-048-728/+739
|\ | | | | | | | | proto: Move implementation-agnostic conflux parts to a new module See merge request tpo/core/arti!3229
| * proto: Fix ConfluxStatus docs post-refactoring.Gabriela Moldovan2025-09-041-1/+1
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| * proto: Apply deferred fmt.Gabriela Moldovan2025-09-041-1/+1
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| * proto: Group the conflux imports.Gabriela Moldovan2025-09-041-6/+2
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| * proto: Use ConfluxCmd instead of CircuitCmd.Gabriela Moldovan2025-09-045-52/+58
| | | | | | | | | | | | This enables us to make the conflux handler logic implementation-agnostic (we want to avoid using `CircuitCmd` here, because it is specific to client circuits).
| * proto: Move abstract conflux handlers outside of the client module.Gabriela Moldovan2025-09-047-650/+657
| | | | | | | | | | | | | | | | | | | | This moves the shared types under `tor_proto::conflux`. Note: the shared types currently import `CircuitCmd` from `client`. A future commit will change the signature of `handle_msg` to return something other than `CircuitCmd` (this will also improve readability, because in reality, that function can never return most `CircuitCmd` variants).
| * proto: Move cmd_counts_towards_seqno to a new conflux module.Gabriela Moldovan2025-09-044-56/+64
| | | | | | | | | | | | | | `tor_proto::conflux` is where the shared conflux logic will live. Soon the generic parts of the conflux handlers will be moved there (whereas the client-specific `AbstractConfluxMsgHandler` impl will continue living under `tor_proto::client`).
| * proto: Make the ConfluxMsgHandler constructor take an abstract handler.Gabriela Moldovan2025-09-043-23/+17
| | | | | | | | | | | | This will enable us to pull `ConfluxMsgHandler` outside of the `client` module (this is needed because relays are meant to use this type as well, but with a different `AbstractMsgHandler`)
* | Merge branch 'sink_blocker' into 'main'Nick Mathewson2025-09-044-0/+541
|\ \ | |/ |/| | | | | proto: Define a new composable SinkBlocker type. See merge request tpo/core/arti!3228
| * proto: Define a new composable SinkBlocker type.Nick Mathewson2025-09-044-0/+541
| | | | | | | | | | | | | | | | This type wraps a futures::Sink, and allows it to be temporarily blocked and unblocked. I'm going to use this to implement padding-based circuit blocking, according to the designs in !3225.
* | proto: Add test ensuring consecutive SWITCHes trigger tunnel teardown.Gabriela Moldovan2025-09-041-0/+48
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* | proto: Only send the bad test cell on one of the circuit legs.Gabriela Moldovan2025-09-041-7/+4
| | | | | | | | | | | | | | | | | | This makes it clearer that the tunnel shutdown is triggered correctly (i.e. that it is enough for *one* of the legs to receive the bad SWITCH cell). This also updates a comment that wrongly suggests that the tunnel is only shut down if both legs get removed from the conflux set.
* | proto: Pass the cc params as an argument to setup_good_conflux_tunnel.Gabriela Moldovan2025-09-041-12/+13
| | | | | | | | | | | | | | The test code now creates the params (which enables it to build test cases that use various params). Resolves a TODO.
* | proto: Add another test for SWITCH seqno validation.Gabriela Moldovan2025-09-041-8/+7
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* | proto: Update docs to clarify how we validate SWITCH seqnos.Gabriela Moldovan2025-09-041-8/+6
| | | | | | | | Also removes all the TODOs related to #2031 (which is now addressed).
* | proto: Close tunnel if a leg receives consecutive SWITCH cells.Gabriela Moldovan2025-09-041-0/+14
| | | | | | | | Closes #2031
* | proto: Ensure the seqno of the first SWITCH doesn't exceed the init cwnd.Gabriela Moldovan2025-09-041-0/+17
| | | | | | | | This partially addresses #2031