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#![allow(deprecated)]
use crate::codec::{Decoder, Encoder};
use bytes::{BufMut, Bytes, BytesMut};
use std::io;
/// A simple `Codec` implementation that just ships bytes around.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[deprecated(since = "0.1.7", note = "Moved to tokio-codec")]
pub struct BytesCodec(());
impl BytesCodec {
/// Creates a new `BytesCodec` for shipping around raw bytes.
pub fn new() -> BytesCodec {
BytesCodec(())
}
}
impl Decoder for BytesCodec {
type Item = BytesMut;
type Error = io::Error;
fn decode(&mut self, buf: &mut BytesMut) -> Result<Option<BytesMut>, io::Error> {
if buf.len() > 0 {
let len = buf.len();
Ok(Some(buf.split_to(len)))
} else {
Ok(None)
}
}
}
impl Encoder for BytesCodec {
type Item = Bytes;
type Error = io::Error;
fn encode(&mut self, data: Bytes, buf: &mut BytesMut) -> Result<(), io::Error> {
buf.reserve(data.len());
buf.put(data);
Ok(())
}
}
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