1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
use bytes::{Bytes, BufMut, BytesMut};
use tokio_io::_tokio_codec::{Encoder, Decoder};
use std::io;
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct BytesCodec(());
impl BytesCodec {
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(())
}
}