forked from Deuxfleurs/garage
42 lines
1.2 KiB
Rust
42 lines
1.2 KiB
Rust
use serde::{Deserialize, Serialize};
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/// Serialize to MessagePacki, without versionning
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/// (see garage_util::migrate for functions that manage versionned
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/// data formats)
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pub fn nonversioned_encode<T>(val: &T) -> Result<Vec<u8>, rmp_serde::encode::Error>
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where
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T: Serialize + ?Sized,
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{
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let mut wr = Vec::with_capacity(128);
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let mut se = rmp_serde::Serializer::new(&mut wr)
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.with_struct_map()
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.with_string_variants();
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val.serialize(&mut se)?;
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Ok(wr)
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}
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/// Deserialize from MessagePacki, without versionning
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/// (see garage_util::migrate for functions that manage versionned
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/// data formats)
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pub fn nonversioned_decode<T>(bytes: &[u8]) -> Result<T, rmp_serde::decode::Error>
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where
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T: for<'de> Deserialize<'de> + ?Sized,
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{
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rmp_serde::decode::from_read_ref::<_, T>(bytes)
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}
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/// Serialize to JSON, truncating long result
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pub fn debug_serialize<T: Serialize>(x: T) -> String {
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match serde_json::to_string(&x) {
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Ok(ss) => {
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if ss.len() > 100 {
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// TODO this can panic if 100 is not a codepoint boundary, but inside a 2 Bytes
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// (or more) codepoint
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ss[..100].to_string()
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} else {
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ss
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}
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}
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Err(e) => format!("<JSON serialization error: {}>", e),
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}
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}
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