diff options
Diffstat (limited to 'net/src/codec/bytes_codec.rs')
-rw-r--r-- | net/src/codec/bytes_codec.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/net/src/codec/bytes_codec.rs b/net/src/codec/bytes_codec.rs new file mode 100644 index 0000000..b319e53 --- /dev/null +++ b/net/src/codec/bytes_codec.rs @@ -0,0 +1,29 @@ +use crate::{ + codec::{Codec, Decoder, Encoder}, + Result, +}; + +#[derive(Clone)] +pub struct BytesCodec {} +impl Codec for BytesCodec { + type Item = Vec<u8>; +} + +impl Encoder for BytesCodec { + type EnItem = Vec<u8>; + fn encode(&self, src: &Self::EnItem, dst: &mut [u8]) -> Result<usize> { + dst[..src.len()].copy_from_slice(src); + Ok(src.len()) + } +} + +impl Decoder for BytesCodec { + type DeItem = Vec<u8>; + fn decode(&self, src: &mut [u8]) -> Result<Option<(usize, Self::DeItem)>> { + if src.is_empty() { + Ok(None) + } else { + Ok(Some((src.len(), src.to_vec()))) + } + } +} |