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39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
use bytes::BytesMut;
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use std::io;
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use tokio_util::codec::{Decoder, Encoder};
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/// Represents abstraction of a codec that implements specific encoder and decoder for distant
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pub trait Codec:
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for<'a> Encoder<&'a [u8], Error = io::Error> + Decoder<Item = Vec<u8>, Error = io::Error> + Clone
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{
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fn encode(&mut self, item: &[u8], dst: &mut BytesMut) -> io::Result<()>;
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fn decode(&mut self, src: &mut BytesMut) -> io::Result<Option<Vec<u8>>>;
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}
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macro_rules! impl_traits_for_codec {
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($type:ident) => {
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impl<'a> tokio_util::codec::Encoder<&'a [u8]> for $type {
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type Error = io::Error;
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fn encode(&mut self, item: &'a [u8], dst: &mut BytesMut) -> Result<(), Self::Error> {
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Codec::encode(self, item, dst)
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}
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}
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impl tokio_util::codec::Decoder for $type {
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type Item = Vec<u8>;
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type Error = io::Error;
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fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
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Codec::decode(self, src)
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}
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}
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};
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}
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mod plain;
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pub use plain::PlainCodec;
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mod xchacha20poly1305;
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pub use xchacha20poly1305::XChaCha20Poly1305Codec;
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