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This groups most `wire` feature gated logic into a single module.
The nix_daemon module will be gated by a feature that adds
nix-compat-derive as a dependency.
All of this is a way to break the crate2nix dependency cycle between
nix-compat and nix-compat-derive(which depends on nix-compat for its
doctests).
Change-Id: I95938a6f280c11967371ff21f8b5a19e6d3d3805
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12761
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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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
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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>
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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>
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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>
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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
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Change-Id: I7776635b17c44534223603d28cf59c7eebd976e0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11229
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This introduces a version reading sized byte packets. Both read_bytes,
accepting a range of allowed sizes, as well as read_bytes_unchecked,
which doesn't care, are added, including tests.
Co-Authored-By: picnoir <picnoir@alternativebit.fr>
Change-Id: I9fc1c61eb561105e649eecca832af28badfdaaa8
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11150
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr>
Tested-by: BuildkiteCI
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This brings some initial Nix wire format parsing code, used in the nix
daemon protocol, remote store/builder protocol, as well as the NAR
format itself (note we already have more specialized code for the last
one).
Thanks to embr, this code already exists, in
https://codeberg.org/gorgon/gorgon/src/branch/main/nix-daemon/src/wire.rs,
and we can vendor it into here, as EUPL is compatible with GPL (in that
direction).
The code uses the tokio::io Reader and Writer traits, not the ones from
the `futures` crate, as they provide some more convenient `read_u64_le`
functions.
More application-specific parsing code, as well as code to read strings,
or bytes are left out for now, as we want to be be more restrictive
w.r.t allowed max sizes, and need to parse bytes, not strings.
The code slightly diverges, as we have clippy looped into CI.
`Ok(…?)` can be turned into just the inner expression, and
some .and_then can be expressed in a simpler fashion.
Change-Id: Ie3adcb485e9d66786673b1962a08d4e5df3781d9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11148
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: picnoir picnoir <picnoir@alternativebit.fr>
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