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2024-08-25 r/8587 fix(tvix/nix-compat): Feature flag code only used in asyncBrian Olsen1-2/+7
When only the wire feature was enabled two methods were unused and so would faild `cargo check --no-default-features --features wire`. This feature flags those two methods on async feature since that is the only place they are used. Change-Id: I6ec18a670e3c6e3ecee8d1417c99f1a5084e0ae7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/12346 Reviewed-by: flokli <flokli@flokli.de> Autosubmit: Brian Olsen <me@griff.name> Tested-by: BuildkiteCI
2024-08-25 r/8585 feat(nix-compat): Add NixDeserialize and NixRead traitsBrian Olsen1-1/+1
Add a trait for deserializing a type from a daemon worker connection. This adds the NixDeserialize trait which is kind of like the serde Deserialize trait in that individual types are meant to implement it and it can potentially be derived in the future. The NixDeserialize trait takes something that implements NixRead as input so that you can among other things mock the reader. Change-Id: Ibb59e3562dfc822652f7d18039f00a1c0d422997 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11990 Autosubmit: Brian Olsen <me@griff.name> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-07-18 r/8369 fix(tvix/nix-compat): use `buf.filled()` to track read bytesRyan Lahfa1-1/+1
We were wrongly using `buf.initialized()` which contains more than the filled portion to compute the number of bytes read during a poll call. This made us go into the trailer reading state too early and finally failing due to invalid trailer data. Fixes b/405. Co-authored-by: Florian Klink <flokli@flokli.de> Change-Id: I66ba6e2116389e6b97305f85c4e0922195000e45 Signed-off-by: Ryan Lahfa <tvl@lahfa.xyz> Reviewed-on: https://cl.tvl.fyi/c/depot/+/11978 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de> Reviewed-by: edef <edef@edef.eu>
2024-07-01 r/8337 chore(3p/sources): bump to OpenSSH vulnerability hotfixVincent Ambo1-7/+4
See https://github.com/NixOS/nixpkgs/pull/323753 for details. Changes: * git: temporarily comment out dottime patch (it doesn't apply, but it's not critical) * third-party/cgit: use an older git version where dottime patch still applies * 3p/crate2nix: remove crate2nix patches included in latest release * tvix: remove unneeded defaultCrateOverrides (upstreamed to nixpkgs) * tvix: regenerate Cargo.nix * tvix/nix-compat: remove unnused AtermWriteable::aterm_bytes pub(crate) function * tvix/nix-compat: remove redundant trait bounds * tvix/glue: use clone_into() to set drv.{builder,system} * tools/crate2nix: apply workaround for https://github.com/numtide/treefmt/issues/327 * toold/depotfmt: expose treefmt config as passthru * tools/crate2nix: undo some more hacks in the crate2nix-check drv Change-Id: Ifbcedeb3e8f81b2f6ec1dbf10189bfa6dfd9c75c Co-Authored-By: Florian Klink <flokli@flokli.de> Reviewed-on: https://cl.tvl.fyi/c/depot/+/11907 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-06-03 r/8210 fix(tvix/nix-compat): require async and async,wire for some testsIlan Joselevich1-0/+2
Makes the following build: `cargo test --no-default-features --features async` `cargo test --no-default-features --features wire` Change-Id: I47ba0c944f08895f67ed3b861706ef2e4ba384b3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11739 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-05-08 r/8095 refactor(nix-compat/nar/reader): reuse prev_name allocationedef1-1/+0
We reuse the prev_name allocation for Entry, instead of allocating and returning a separate Vec. We encode the `prev_name: None` case as an empty vector, since we don't allow empty names anyway, and the sorting is equivalent. Change-Id: I975b37ff873805f5ff099bc82128706891052247 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11607 Reviewed-by: Brian Olsen <me@griff.name> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-05-08 r/8094 feat(nix-compat/wire/bytes): read bytes into an existing bufferedef1-1/+60
For small bytestrings (like NAR names), we can read into a preallocated fixed-size buffer, instead of allocating a Vec every time. Change-Id: Id8da9e9cea99c814361230c0ec02606b731c79a3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11606 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-05-08 r/8088 refactor(nix-compat/wire/bytes): style fixesedef1-13/+10
Change-Id: I65c3c43df83e0c364a4b7f1f3054c5b676bd07d5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11605 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-05-08 r/8086 feat(nix-compat/wire/bytes/reader): support buffered readingedef1-4/+184
If our underlying reader supports AsyncBufRead, then we can too. Change-Id: If4b948c983400ca591c1c475bbcf7dc00d562040 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11545 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-05-08 r/8085 fix(nix-compat/wire/bytes/reader): always read trailer tag dataedef2-15/+72
Even if we have an aligned (or zero) size (and thus have no padding), we may still have a non-padding trailer. Since an exact read of only the user data bytes must always read the trailer bytes as well, this has to happen for aligned sizes too. For zero-sized trailers, we solve this by reading immediately, since no read is required of the user at all. user_len thus becomes a NonZeroU64, and the definition of "body data" is adjusted to always exclude the final block. Change-Id: I2c6bb51270fb22ad72a65076a3468673ab56ef68 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11597 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-05-08 r/8084 fix(nix-compat/wire/bytes/reader): drop allow(dead_code)edef1-1/+0
We're using this in the NAR reader now. Change-Id: I28f17b1ccedd62ffcaf2fa32b517f16bcd036d94 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11603 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-05-08 r/8083 refactor(nix-compat/wire/bytes/reader): drop prev_fillededef1-2/+1
We specifically structured the code this way to allow using `this.filled` as-is, so we should use it. Change-Id: I7e11bddceb4d5f37b1dd4c453a9d53b85fc1f6c8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11602 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-05-04 r/8075 feat(nix-compat/nar/reader): async supportedef1-1/+1
This is a first cut at the async NAR reader, with some rough edges. Poisoning is left unimplemented for now, pending future work. Change-Id: Ifaafe0581a5e0e165a13357b909fb441f7bd8bab Reviewed-on: https://cl.tvl.fyi/c/depot/+/11524 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-05-04 r/8074 feat(nix-compat/wire/bytes/reader): parametrise on trailer tagedef3-10/+31
This allows using BytesReader with a custom tag, eg the closing parens for the NAR reader. No public constructor is provided for custom-tagged readers, since this feature isn't public API. Change-Id: I82e73d064edc4b6783ead1d6fe46a5b35f45c844 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11543 Reviewed-by: Brian Olsen <me@griff.name> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-30 r/8043 fix(tvix/nix-compat/wire): RangeInclusive<usize> for memory size boundsedef1-29/+27
u64 is an inappropriate type for something memory-sized, and most callers end up with off-by-ones when using `..` rather than `..=`, including the tests for the module itself. Change-Id: If3b7bea27eb0a6c01e0a5d7e64966acbbb664268 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11550 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-30 r/8042 refactor(nix-compat/wire): drop primitive functionsedef4-86/+5
These may as well be inlined, and hardly need tests, since they just alias AsyncReadExt::read_u64_le / AsyncWriteExt::write_u64_le. Boolean reading is worth making explicit, since callers may differ on how they want to handle values other than 0 and 1. Boolean writing simplifies to `.write_u64_le(x as u64)`, which is also fine to inline. Change-Id: Ief9722fe886688693feb924ff0306b5bc68dd7a2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11549 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-30 r/8041 refactor(nix-compat/wire/bytes): branchless padding computationedef1-7/+8
Change-Id: Ie07c2516a485c78afa6f9a3c8256e9708c4c42c5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11548 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-30 r/8040 fix(tvix/nix-compat/wire/bytes): return UnexpectedEof for unexpected EOFedef1-4/+1
Change-Id: I8cb79f93742cc3a9088701bc8c2795de893eb6a8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11547 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-29 r/8034 refactor(nix-compat/wire/bytes/reader): move size reading to async ctoredef1-137/+65
with_size only existed to allow separating the phases of reading size and reading data, and similarly the Size state only existed to allow folding size reading into poll_read. Neither of these are necessary if we make the constructor async, and handle the size reading there. As a bonus, this makes BytesReader::len sensibly typed, and permits implementing is_empty, as Clippy demands of us. Change-Id: I72173ec06d60b7998d16a3ecfc5e6ac5424bbed3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11542 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-29 r/8032 refactor(nix-compat/wire/bytes/reader): use fn for PhantomDataedef1-1/+1
We don't actually hold a Tag, we just want to bind the type. Change-Id: Ida67c026f852ed54c3f18df914cf5c31e6227fd5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11541 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-29 r/8031 refactor(tvix/nix-compat/wire/bytes): use RangeInclusive for limitsedef1-14/+7
The (min, max) pair is already a RangeInclusive in essence, so we might as well represent it that way. Change-Id: I2f67f3c47dc36b87e866ff5dc2e0cd28f01fbb04 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11540 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-29 r/8030 refactor(nix-compat/wire/bytes): fold TrailerReader into BytesReaderedef2-91/+41
The TrailerReader has no purpose separate from BytesReader, and the code gets a fair bit simpler this way. EOF handling is simplified, since we just rely on the implicit behaviour of the existing case. Change-Id: Id9b9f022c7c89fbc47968a96032fc43553af8290 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11539 Reviewed-by: Brian Olsen <me@griff.name> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-29 r/8029 feat(nix-compat/wire/bytes/reader): expose the remaining data lengthedef2-0/+31
The API is a bit odd here, because we don't have a distinct type for a known-length reader. Change-Id: I4a1dd07fbed0a400004dbe4aa2095c51898ad3bd Reviewed-on: https://cl.tvl.fyi/c/depot/+/11538 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de> Reviewed-by: Brian Olsen <me@griff.name>
2024-04-26 r/8016 feat(nix-compat/wire/bytes/reader): split out reading the trailer blockedef1-56/+134
We separate ingesting the trailer block into a Future of its own, parametrised on the specifics of the trailer pattern. This is intended to be used for future work on an async NAR reader, which needs to read a terminating parenthesis as well as the regular padding. Thanks to @griff for suggesting separating the ingestion into its own Future. Change-Id: I36c2503baa67937046a63e9bf0cfc38201394025 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11522 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-26 r/8015 refactor(nix-compat/wire/bytes/reader): drop random whitespaceedef1-2/+2
Change-Id: Ic683eab435576acc8f7e03f5684767ffa468851a Reviewed-on: https://cl.tvl.fyi/c/depot/+/11521 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-26 r/8014 refactor(nix-compat/wire/bytes/reader): drop Pin::get_mutedef2-4/+4
Pin<&mut T> is DerefMut when T: Unpin, so we don't actually need to explicitly call get_mut. Change-Id: Iaa312ec49c87100010e09c94f319e57e31da0cd5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11520 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-25 r/8013 refactor(nix-compat/wire): move BytesPacketPosition into writeredef2-20/+17
We don't use it in the reader anymore. Change-Id: I98fe204a747711464e9e7ca17df06fa9854eb344 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11519 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-25 r/8012 fix(nix-compat/bytes): make BytesReader less hazardousedef2-178/+317
We now *never* return the final bytes until we've read the padding in full, so read_exact is safe to use. This is implemented by TrailerReader, which splits the phases of reading (and validating) the final 8-byte block, and providing the contained payload bytes to the caller. Change-Id: I0d05946a8af9c260a18d71d2b763ba7a68b3c27f Reviewed-on: https://cl.tvl.fyi/c/depot/+/11518 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-25 r/8011 feat(nix-compat/wire/bytes): allow specifying a pre-read sizeedef1-0/+41
Change-Id: I9c94239c308cfbc2e6dae871ba77fb33507433c9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11517 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-25 r/8010 refactor(nix-compat/wire/bytes): drop pin_project, clean upedef1-63/+57
We already require R: Unpin in the constructor, so there's not much use to pin projection. Change-Id: Ia7bf734dc3aa86ffa6d1d5de778939baa9676bb9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11516 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-25 r/8009 refactor(nix-compat/wire/bytes): don't parametrise on RangeBoundsedef1-12/+20
This is semantically a RangeInclusive, since we can only have 0..=u64::MAX at most, and monomorphising on the bounds doesn't buy us anything. Change-Id: Ib601d7fd77d703d6c8c5ec27ac9e67bb122ce1c0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11515 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-24 r/8004 docs(tvix/nix-compat/wire/bytes/reader): fix typoFlorian Klink1-1/+1
This is a ReadBuf, not a BufRead. Change-Id: Ie80e894f4b24b77cdd60409ddfaa66dae0ffeec9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11511 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: edef <edef@edef.eu> Tested-by: BuildkiteCI
2024-04-24 r/8003 docs(tvix/nix-compat): add missing reference to BytesReaderFlorian Klink1-2/+2
Change-Id: Ideed83d191b55e131720e598b7591e8375a26cfd Reviewed-on: https://cl.tvl.fyi/c/depot/+/11510 Tested-by: BuildkiteCI Reviewed-by: edef <edef@edef.eu> Autosubmit: flokli <flokli@flokli.de>
2024-04-13 r/7905 feat(tvix/nix-compat/wire/bytes): add #[inline] for ensure_* funcsFlorian Klink2-0/+2
While the compiler might realize it's a good idea to inline these, especially considering this is in the same crate [1], it doesn't hurt to add that annotation too. Suggested in cl/11385. [1]: https://nnethercote.github.io/perf-book/inlining.html Change-Id: If679fce0e1aab9ec681ba60f689d386d6fd92d61 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11403 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz> Autosubmit: flokli <flokli@flokli.de>
2024-04-13 r/7897 refactor(tvix/nix-compat): move worker_protocol into nix_daemon modFlorian Klink2-411/+0
This doesn't have much to do with the plain "wire" format, it's merely one user of it. Also, use the more "public" `wire::` API to read/write bytes, strings, bools and u64s. Change-Id: I98dddcc3004dfde7a0c009958fe84a840f77b188 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11390 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: raitobezarius <tvl@lahfa.xyz> Reviewed-by: Brian Olsen <me@griff.name>
2024-04-13 r/7896 refactor(tvix/nix-compat): reorganize wire and bytesFlorian Klink4-45/+37
Move everything bytes-related into its own module, and re-export both bytes and primitive in a flat space from wire/mod.rs. Expose this if a `wire` feature flag is set. We only have `async` stuff in here. Change-Id: Ia4ce4791f13a5759901cc9d6ce6bd6bbcca587c7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11389 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI Reviewed-by: Brian Olsen <me@griff.name>
2024-04-13 r/7894 feat(tvix/nix-compat): add BytesReaderFlorian Klink3-1/+472
This adds AsyncRead counterpart for read_bytes. Change-Id: I751da9944984c7a523abee305f8f8a050e705f04 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11385 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz> Reviewed-by: Brian Olsen <me@griff.name> Autosubmit: flokli <flokli@flokli.de>
2024-04-09 r/7883 fix(tvix/nix-compat): fix writing padding partiallyFlorian Klink1-1/+28
We forgot to only write the part of the padding that has not been written already. Unfortunately it seems the tokio mocking thing does buffer small writes, so the tests succeeds even with the bug :-/ Change-Id: I5a6cf04212d559728639427c57207094d507ec75 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11384 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz> Reviewed-by: Brian Olsen <me@griff.name> Autosubmit: flokli <flokli@flokli.de>
2024-04-08 r/7879 refactor(tvix/nix-compat/wire): rename padding_len to total_padding_lenFlorian Klink1-3/+3
Make it a bit more clear that this is the total padding length, not the padding length we still need to write. Change-Id: I9ff4aa16f256fda367b4b9295abf82ed01b1f989 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11383 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr>
2024-04-08 r/7878 refactor(tvix/nix-compat/wire): mv Bytes{WriterState,PacketPosition}Florian Klink1-24/+25
This is perfectly fine to track the position inside a reader too, so rename it to reflect that. Also make the docstring a bit less write-specific. Change-Id: I831b0a8fe44a2477d4af96fefc692b9aabc378f1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11382 Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr> Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de>
2024-04-08 r/7877 fix(tvix/nix-compat/wire): fix BytesWriter test payloadsFlorian Klink1-4/+4
We actually did construct other payload sizes than the test function was intended to, because I'm too stupid to count. Fix that, and also update a leftover _debug in a test name. Change-Id: I1bff8551f2078afe82f789646b851f2fcff3e82c Reviewed-on: https://cl.tvl.fyi/c/depot/+/11381 Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-08 r/7876 refactor(tvix/nix-compat): move handshake function to nix-compatPicnoir1-6/+100
Moving out the handshake route out of tvix-daemon to nix-compat. We're bumping the protocol to version 37. It does not change anything for us. Version 37 introduced a change in the build result serialization. We do not implement that for now. Tested tvix-daemon against Nix via the integration test to make sure we did not break anything in the process. Taking advantage of this refactor to remove the unused anyhow dependency in tvix-daemon. Change-Id: I8a2aad0b6dbb0aaa997446a612a365fd7d70336c Reviewed-on: https://cl.tvl.fyi/c/depot/+/11379 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2024-04-08 r/7875 refactor(tvix/nix-compat/wire): express magics as u64Florian Klink1-8/+5
This allows using read_u64, write_u64, which is a bit easier to juggle with. Also, update names to align with the nix codebase, which makes it easier to spot both the constant name as well as the value. Leave the ASCII interpretation as a comment afterwards. Change-Id: I0b9ab187acd22807e2785b0722aa4300dab37c51 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11378 Tested-by: BuildkiteCI Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr> Autosubmit: flokli <flokli@flokli.de>
2024-04-08 r/7874 refactor(tvix/nix-compat/wire): move magic bytes to worker_protocolFlorian Klink2-7/+7
`primitive.rs` implements reading and writing primitive (fixed-length) types in the wire format, used in the the nix daemon protocol and NAR format. Move worker-protocol specific magic bytes to worker_protocol.rs (and possibly further split there once needed) Change-Id: If681c01e9460294619f1d000229b81f0ac745810 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11377 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr>
2024-04-08 r/7873 feat(tvix/nix-compat/wire): have write_bytes accept AsRef<[u8]> payloadsFlorian Klink1-4/+20
This includes String, &str etc. An example testcase with &str is provided. Change-Id: I900186d6ceb52f52bd41ef4596524c1f5b52470b Reviewed-on: https://cl.tvl.fyi/c/depot/+/11376 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr>
2024-04-08 r/7872 refactor(tvix/nix-compat/wire): simplify write_bytes a bitFlorian Klink2-10/+14
Use the same EMPTY_BYTES trick from BytesWriter to write out the padding, rather than allocating a Vec. Change-Id: Ifb4ba1b45b7388adbc135fc8e46fd3d3cedd30aa Reviewed-on: https://cl.tvl.fyi/c/depot/+/11375 Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-08 r/7871 docs(tvix/nix-compat/wire): update docstringsFlorian Klink1-19/+21
Only describe the format once (in `read_bytes`, and simplify the other docstrings a bit. Change-Id: Iff898f3c4173d506a357bc14bdffbf69c4c6e0e0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11374 Tested-by: BuildkiteCI Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr> Autosubmit: flokli <flokli@flokli.de>
2024-04-07 r/7870 refactor(tvix/nix-compat): drop read_bytes_uncheckedFlorian Klink1-15/+19
This isn't used anywhere so far, and if someone really wants to, they can simply make the range open-ended. Change-Id: Iae9bcaa1f7ea032dd3ee76c8c142a38b6b72894d Reviewed-on: https://cl.tvl.fyi/c/depot/+/11373 Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr> Tested-by: BuildkiteCI
2024-04-07 r/7867 feat(tvix/nix-compat): read client setting from wirePicnoir2-3/+225
Add the primitives necessary to read the client settings from the Nix daemon wire protocol. Introducing the read_string primitive. This trivial primitive parses a read_bytes call, check the bytes are valid utf-8 bytes and wraps the result in a String. Change-Id: Ie1253523a6bd4e31e7924e9898a0898109da2fa0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11358 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-04-06 r/7857 feat(tvix/nix-compat/wire): introduce BytesWriterFlorian Klink2-0/+519
This deals with writing byte packets of larger sizes to an underlying AsyncWrite. Its constructor receives the expected size. It also deals with writing padding if flush/shutdown is called after writing all the payload. Change-Id: I8acbf992467f3862ffb8c7d669e8c0c8eced14c1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11355 Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr> Autosubmit: flokli <flokli@flokli.de> Reviewed-by: Brian Olsen <me@griff.name> Tested-by: BuildkiteCI