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277 lines
16 KiB
Markdown
# Changelog
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All notable changes to this project will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## v0.1.14 (2024-02-28)
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### Chore
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- <csr-id-b3e7ef741c5b8d09fc7dc8302576f8174be75ff4/> Use the cargo workspace package table
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This allows for inheritance of common fields from the workspace root.
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The following fields have been made common:
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- authors
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- license
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- repository
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- homepage
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- edition
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### New Features
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- <csr-id-0970300d1f5659622fa55a18dd7681c608d75b0f/> check format and value type in proc macro
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### Bug Fixes
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- <csr-id-d999a95b410df79e1d9f6c27462e19a2cede06c2/> remove some useless code
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### Other
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- <csr-id-b54a106584bf636cbd0ad217aa62124348e6b29f/> update comments
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These were missed when the code was updated.
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- <csr-id-ca3f70b16a705bf26d2ccc7ce754de403be36223/> s/Result<usize, ()>/Option<NonZeroUsize>/
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`Option<NonZeroUsize>` is guaranteed to have the same size as `usize`,
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which is not guarnateed for `Result`. This is a minor optimization, but
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also results in simpler code.
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- <csr-id-3cfd886dc512872fd3948cdf3baa8c99fe27ef0f/> annotate logging functions inlining
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Some of these functions fail to compile when not inlined, so we should
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be explicit.
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Before deciding on this approach I tried various ways of making all
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these functions #[inline(never)] to save instructions but I ran into
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blockers:
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- These functions currently return Result, which is a structure. This is
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not permitted in BPF.
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- I tried inventing a newtype that is a #[repr(transparent)] wrapper of
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u16, and having these functions return that; however it seems that
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even if the object code is legal, the verifier will reject such
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functions because the BTF (if present, and it was in my local
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experiments) would indicate that the return is a structure.
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- I tried having these functions return a plain u16 where 0 means error,
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but the verifier still rejected the BTF because the receiver (even if
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made into &self) is considered a structure, and forbidden.
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We can eventually overcome these problems by "lying" in our BTF once
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support for it matures in the bpf-linker repo (e.g. Option<NonZeroU16>
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should be perfectly legal as it is guaranteed to be word-sized), but we
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aren't there yet, and this is the safest thing we can do for now.
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- <csr-id-fe047d79a3f501631ae6406444769f6d5f6fed24/> Simplify
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- Remove `TagLenValue`; this type has a single method, which is now a
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function.
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- Remove generics from `TagLenValue::write` (now `write`). The tag is
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always `u8`, and the value is always a sequence of bytes.
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- Replace slicing operations which can panic with calls to `get` which
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explicit check bounds.
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- <csr-id-96fa08bd82233268154edf30b106876f5a4f0e30/> Define dependencies on the workspace level
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This way we will avoid version mismatches and make differences in
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features across our crates clearer.
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- <csr-id-c8bf646ef098a00bc5c6e1cb5ae35ffa6fb5eac5/> add formatter and check in CI
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- <csr-id-6feebef9e551256156a8c22cf5de2165846a4793/> simplify argument validation
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- <csr-id-de7972483b5b97c073b337568328a022378ebca9/> avoid requiring Copy
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Before this change:
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```
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error[E0382]: use of moved value: `no_copy`
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--> test/integration-ebpf/src/log.rs:35:9
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33 | let no_copy = NoCopy {};
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| ------- move occurs because `no_copy` has type `NoCopy`, which does not implement the `Copy` trait
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34 |
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35 | debug!(&ctx, "{:x}", no_copy.consume());
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| ^^^^^^^^^^^^^^^^^^^^^-------^---------^
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| | | |
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| | | `no_copy` moved due to this method call
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| | use occurs due to use in closure
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| value used here after move
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note: `NoCopy::consume` takes ownership of the receiver `self`, which moves `no_copy`
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--> test/integration-ebpf/src/log.rs:28:24
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28 | fn consume(self) -> u64 {
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| ^^^^
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= note: this error originates in the macro `debug` (in Nightly builds, run with -Z macro-backtrace for more info)
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For more information about this error, try `rustc --explain E0382`.
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error: could not compile `integration-ebpf` (bin "log") due to previous error
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```
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- <csr-id-47a2f25fca21e65d981b716d68f87af6203093d9/> fix compile errors
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aya-log-ebpf-macros was failing to compile because it was referencing
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a couple of `DisplayHint` variants that no longer exist. These were
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removed in #599.
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```
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Compiling aya-log-ebpf-macros v0.1.0 (/home/robert/aya/aya-log-ebpf-macros)
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error[E0599]: no variant or associated item named `Ipv4` found for enum `DisplayHint` in the current scope
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--> aya-log-ebpf-macros/src/expand.rs:93:22
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93 | DisplayHint::Ipv4 => parse_str("::aya_log_ebpf::macro_support::check_impl_ipv4"),
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| ^^^^ variant or associated item not found in `DisplayHint`
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- <csr-id-84e5e2894f226f4b2c7cb637a6f44d5773b927e6/> Unify IP format hints into one, repsesent it by `:i` token
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Having separate format hints and tokens per IP address family is
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unnecessary, since they are represented by different types and we handle
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format hints for each type separately. So we can just have one format
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hint.
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Also, we should be consistent with the format strings grammar in
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Rust[0]. The `type` token, which is mapped to formatting traits, usually
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consists of one letter[1] (and optional `?` for `Debug` trait, but that
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doesn't matter for us). It shouldn't consist of multiple letters. Our
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`:ipv4` and `:ipv6` tokens were clearly breaking that convention, so we
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should rather switch to something with one letter - hence `:i`.
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[0] https://doc.rust-lang.org/std/fmt/#syntax
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[1] https://doc.rust-lang.org/std/fmt/#formatting-traits
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- <csr-id-d9f966ec9e49f4439710559cac852bde62810975/> support logging byte slices
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These only support LowerHex and UpperHex hints for now.
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- <csr-id-9a1a720a74fd458b4865e1139dd2f4ca84994ef2/> generalize TagLenValue
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This allows logging values backed by generators.
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- <csr-id-5603d7248a51a16233c249b645e30ea3f6804744/> Move the `Pod` implementations from aya-log-common to aya-log
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Keeping the `Pod` implementations and optional dependency on aya in
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aya-log-common breaks the clippy checks (which are made on the entire
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workspace).
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The reason is that when different crates inside the workspace have the
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same dependency with different features, that dependency is built only
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once with the sum of features needed by all crates. It's **not** being
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built separately with different feature sets.
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That's why, before this change, aya-log-common was built once for the
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entire workspace with `userspace` feature enabled. That made importing
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aya-log-ebpf inside integration-ebpf impossible. The aya-log-common
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build, with `userspace` feature enabled, was pulling std as a
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dependency. Therefore, importing aya-log-ebpf inside integration-ebpf
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resulted in including std and errors like:
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```
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error[E0152]: found duplicate lang item `panic_impl`
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--> test/integration-ebpf/src/log.rs:23:1
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23 | fn panic(_info: &core::panic::PanicInfo) -> ! {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: the lang item is first defined in crate `std` (which `aya` depends on)
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```
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This change fixes the problem by removing the `userspace` feature from
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aya-log-common and moving the `Pod` implementations to aya-log.
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- <csr-id-b10a31183be12d44292ed2540225058499a938b1/> update num_enum requirement from 0.5 to 0.6
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Updates the requirements on [num_enum](https://github.com/illicitonion/num_enum) to permit the latest version.
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- [Release notes](https://github.com/illicitonion/num_enum/releases)
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- [Commits](https://github.com/illicitonion/num_enum/compare/0.5.0...0.6.0)
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---
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updated-dependencies:
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- dependency-name: num_enum
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dependency-type: direct:production
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...
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### Commit Statistics
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<csr-read-only-do-not-edit/>
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- 35 commits contributed to the release over the course of 469 calendar days.
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- 469 days passed between releases.
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- 17 commits were understood as [conventional](https://www.conventionalcommits.org).
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- 0 issues like '(#ID)' were seen in commit messages
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### Commit Details
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<csr-read-only-do-not-edit/>
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<details><summary>view details</summary>
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* **Uncategorized**
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- Merge pull request #882 from dave-tucker/metadata ([`0fadd69`](https://github.com/aya-rs/aya/commit/0fadd695377b8a3f0d9a3af3bc8140f0f1bed8d2))
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- Use the cargo workspace package table ([`b3e7ef7`](https://github.com/aya-rs/aya/commit/b3e7ef741c5b8d09fc7dc8302576f8174be75ff4))
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- Merge pull request #738 from aya-rs/kill-qemu-better ([`fbbf191`](https://github.com/aya-rs/aya/commit/fbbf191bd3b12fafd2fb17a527c4855277df5869))
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- Update comments ([`b54a106`](https://github.com/aya-rs/aya/commit/b54a106584bf636cbd0ad217aa62124348e6b29f))
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- Merge pull request #735 from aya-rs/log-option-not-result ([`ecf0dd9`](https://github.com/aya-rs/aya/commit/ecf0dd973985bd442978b202d0fd6f75647cdda3))
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- S/Result<usize, ()>/Option<NonZeroUsize>/ ([`ca3f70b`](https://github.com/aya-rs/aya/commit/ca3f70b16a705bf26d2ccc7ce754de403be36223))
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- Merge pull request #729 from aya-rs/logs-inline-always ([`84d5791`](https://github.com/aya-rs/aya/commit/84d5791d4e0623ffa5b7f6e4b1aa7d18a872f314))
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- Annotate logging functions inlining ([`3cfd886`](https://github.com/aya-rs/aya/commit/3cfd886dc512872fd3948cdf3baa8c99fe27ef0f))
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- Simplify ([`fe047d7`](https://github.com/aya-rs/aya/commit/fe047d79a3f501631ae6406444769f6d5f6fed24))
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- Merge pull request #667 from vadorovsky/workspace-dependencies ([`f554d42`](https://github.com/aya-rs/aya/commit/f554d421053bc34266afbf8e00b28705ab4b41d2))
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- Define dependencies on the workspace level ([`96fa08b`](https://github.com/aya-rs/aya/commit/96fa08bd82233268154edf30b106876f5a4f0e30))
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- Merge pull request #666 from aya-rs/toml-fmt ([`dc3b0b8`](https://github.com/aya-rs/aya/commit/dc3b0b87308fdac5ff8f472de9a5e849b52d9fee))
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- Add formatter and check in CI ([`c8bf646`](https://github.com/aya-rs/aya/commit/c8bf646ef098a00bc5c6e1cb5ae35ffa6fb5eac5))
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- Merge pull request #650 from aya-rs/test-cleanup ([`61608e6`](https://github.com/aya-rs/aya/commit/61608e64583f9dc599eef9b8db098f38a765b285))
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- Include ~all crates in default members ([`6d06e2b`](https://github.com/aya-rs/aya/commit/6d06e2bf3a6d267589339743fef694763b5cc5af))
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- Merge pull request #641 from aya-rs/logger-messages-plz ([`4c0983b`](https://github.com/aya-rs/aya/commit/4c0983bca962e0e9b2711805ae7fbc6b53457c34))
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- Add missing test annotation ([`7f25956`](https://github.com/aya-rs/aya/commit/7f25956aea94a2267dd721d94ad51625e109fe7f))
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- Merge pull request #611 from probulate/check-refs-not-values ([`3f1a469`](https://github.com/aya-rs/aya/commit/3f1a469f068a0af9bdb137796504a72163fb41cf))
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- Simplify argument validation ([`6feebef`](https://github.com/aya-rs/aya/commit/6feebef9e551256156a8c22cf5de2165846a4793))
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- Avoid requiring Copy ([`de79724`](https://github.com/aya-rs/aya/commit/de7972483b5b97c073b337568328a022378ebca9))
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- Fix compile errors ([`47a2f25`](https://github.com/aya-rs/aya/commit/47a2f25fca21e65d981b716d68f87af6203093d9))
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- Unify IP format hints into one, repsesent it by `:i` token ([`84e5e28`](https://github.com/aya-rs/aya/commit/84e5e2894f226f4b2c7cb637a6f44d5773b927e6))
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- Merge pull request #606 from Hanaasagi/check-format-in-log ([`58f1ecb`](https://github.com/aya-rs/aya/commit/58f1ecbf0089194d729327692adca6391fc24932))
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- Remove some useless code ([`d999a95`](https://github.com/aya-rs/aya/commit/d999a95b410df79e1d9f6c27462e19a2cede06c2))
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- Check format and value type in proc macro ([`0970300`](https://github.com/aya-rs/aya/commit/0970300d1f5659622fa55a18dd7681c608d75b0f))
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- Merge pull request #585 from probulate/tag-len-value ([`5165bf2`](https://github.com/aya-rs/aya/commit/5165bf2f99cdc228122bdab505c2059723e95a9f))
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- Support logging byte slices ([`d9f966e`](https://github.com/aya-rs/aya/commit/d9f966ec9e49f4439710559cac852bde62810975))
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- Generalize TagLenValue ([`9a1a720`](https://github.com/aya-rs/aya/commit/9a1a720a74fd458b4865e1139dd2f4ca84994ef2))
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- Aya-log, aya-log-common: economize bytes ([`a4a69a6`](https://github.com/aya-rs/aya/commit/a4a69a6bcfe87d3c066f2cc341b74039f53dcc9e))
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- Merge pull request #591 from vadorovsky/aya-log-impl-pod ([`3d3ce8b`](https://github.com/aya-rs/aya/commit/3d3ce8bfa2eff19706cc3d8e5f0ce9e81a520a78))
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- Move the `Pod` implementations from aya-log-common to aya-log ([`5603d72`](https://github.com/aya-rs/aya/commit/5603d7248a51a16233c249b645e30ea3f6804744))
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- Merge branch 'aya-rs:main' into lsm_sleepable ([`1f2006b`](https://github.com/aya-rs/aya/commit/1f2006bfde865cc4308643b21d51cf4a8e69d6d4))
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- Merge pull request #570 from aya-rs/dependabot/cargo/num_enum-0.6 ([`fcc8a0d`](https://github.com/aya-rs/aya/commit/fcc8a0d50da41103eb8b5190ff4253ec7510d39d))
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- Update num_enum requirement from 0.5 to 0.6 ([`b10a311`](https://github.com/aya-rs/aya/commit/b10a31183be12d44292ed2540225058499a938b1))
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- Revert "aya-log, aya-log-common: temporarily revert to old map API so we can release" ([`0b41018`](https://github.com/aya-rs/aya/commit/0b41018ee27bfda9b1ea7dc422b34d3a08fc3fc6))
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</details>
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## v0.1.13 (2022-11-16)
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### Other
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- <csr-id-832bdd280c19095d79ba2d27281c17f0b09adc15/> release version 0.1.13
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- <csr-id-2223ab828d6db40a85cff4737f6164ed8ee9e42d/> Add format hints for MAC addresses
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Add `{:mac}` (for lower-case hex representation) and `{:MAC}` (for
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upper-case hex representation) format hints for the `[u8; 6]` type,
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which is the standard one in Linux to store physical addresses in.
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Tested with: https://github.com/vadorovsky/aya-examples/tree/main/xdp-mac
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- <csr-id-83ec27f06b6859f455f2b2baf985b8fd3fb4adc5/> Add display hints
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This change adds optional display hints:
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* `{:x}`, `{:X}` - for hex representation of numbers
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* `{:ipv4}`, `{:IPv4}` - for IPv4 addresses
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* `{:ipv6}`, `{:IPv6}` - for IPv6 addresses
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It also gets rid of dyn-fmt and instead comes with our own parser
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implementation.
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Tested on: https://github.com/vadorovsky/aya-examples/tree/main/tc
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- <csr-id-611f967cd14b90e187ca86735f2131fb87e89856/> Remove i128 and u128 types
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They are not supported by eBPF VM and we are going to use arrays for
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IPv6.
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### Commit Statistics
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<csr-read-only-do-not-edit/>
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- 12 commits contributed to the release over the course of 110 calendar days.
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- 4 commits were understood as [conventional](https://www.conventionalcommits.org).
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- 0 issues like '(#ID)' were seen in commit messages
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### Commit Details
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<csr-read-only-do-not-edit/>
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<details><summary>view details</summary>
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* **Uncategorized**
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- Release version 0.1.13 ([`832bdd2`](https://github.com/aya-rs/aya/commit/832bdd280c19095d79ba2d27281c17f0b09adc15))
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- Aya-log, aya-log-common: temporarily revert to old map API so we can release ([`0d040d2`](https://github.com/aya-rs/aya/commit/0d040d2290cc1513c979c95538210abd7ee59ebb))
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- Merge pull request #436 from vadorovsky/aya-log-mac-addr ([`3adb9b0`](https://github.com/aya-rs/aya/commit/3adb9b049f493ec9b80fcf868a8eac3363d17844))
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- Add format hints for MAC addresses ([`2223ab8`](https://github.com/aya-rs/aya/commit/2223ab828d6db40a85cff4737f6164ed8ee9e42d))
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- Aya-log, aya-log-common: start next development iteration 0.1.12-dev.0 ([`6f0637a`](https://github.com/aya-rs/aya/commit/6f0637a6c8f3696b226558dc47b2dc2f6680e347))
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- Aya-log, aya-log-common: release version 0.1.11 ([`ba927ac`](https://github.com/aya-rs/aya/commit/ba927ac20497fdfd0033fb48f4bfda3fc8dedf42))
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- Add display hints ([`83ec27f`](https://github.com/aya-rs/aya/commit/83ec27f06b6859f455f2b2baf985b8fd3fb4adc5))
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- Change from Rust edition 2018 to 2021 ([`944d6b8`](https://github.com/aya-rs/aya/commit/944d6b8a1647df36c17cd060b15c37ac9615f4a7))
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- Merge pull request #353 from vadorovsky/log-remove-u128 ([`d968094`](https://github.com/aya-rs/aya/commit/d968094b662be3449624420b76ea2dd239ef657b))
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- Remove i128 and u128 types ([`611f967`](https://github.com/aya-rs/aya/commit/611f967cd14b90e187ca86735f2131fb87e89856))
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- Merge pull request #350 from dave-tucker/monorepo ([`f37a514`](https://github.com/aya-rs/aya/commit/f37a51433ff5283205ba5d1e74cdc75fbdeea160))
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- Re-organize into a single workspace ([`dc31e11`](https://github.com/aya-rs/aya/commit/dc31e11691bbb8ae916da9da873fdc37ff261c27))
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</details>
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