Zachery Aaron Shores-Chmielewski
13728e3732
- Fold swim_recent_probe_targets/swim_probe_event_record/membership_transition into DistributionRuntimeStack. - De-generify vastai approval (drop VastAiApproval trait). - Slim worker_node_runtime and orchestration/app. Signed-off-by: Zachery Aaron Shores-Chmielewski <zacheryasc@gmail.com>
38 lines
1.1 KiB
Rust
38 lines
1.1 KiB
Rust
//! Generic JSON codec for serde message types.
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//!
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//! [`JsonCodec<M>`] is the out-of-the-box [`Codec`] for messages that are
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//! [`Serialize`] + [`DeserializeOwned`]. Use a custom codec when a wire format
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//! needs schema stability or compactness beyond JSON.
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use std::marker::PhantomData;
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use serde::de::DeserializeOwned;
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use serde::Serialize;
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use swactor::Error;
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use crate::codec::Codec;
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/// JSON codec for message type `M`.
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///
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/// Implements [`Codec<M>`] via `serde_json`. Construct with
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/// [`JsonCodec::default`] / `JsonCodec::<M>::default()`.
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pub struct JsonCodec<M>(PhantomData<M>);
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impl<M> Default for JsonCodec<M> {
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fn default() -> Self {
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Self(PhantomData)
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}
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}
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impl<M> Codec<M> for JsonCodec<M>
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where
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M: Serialize + DeserializeOwned + Clone + Send + Sync + 'static,
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{
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fn encode(&self, msg: &M) -> Result<Vec<u8>, Error> {
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serde_json::to_vec(msg).map_err(|e| Error::from(format!("encode: {e}")))
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}
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fn decode(&self, bytes: &[u8]) -> Result<M, Error> {
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serde_json::from_slice(bytes).map_err(|e| Error::from(format!("decode: {e}")))
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}
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}
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