lol-core 0.9.5

A Raft implementation in Rust language.
Documentation 
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use bytes::Bytes;
use futures::stream::{Stream, StreamExt, TryStreamExt};
use tokio::io;
use tokio::io::{AsyncRead, AsyncWrite};
use tokio_util::codec;

fn into_bytes_stream<R>(r: R) -> impl Stream<Item = io::Result<Bytes>>
where
    R: AsyncRead,
{
    codec::FramedRead::new(r, codec::BytesCodec::new()).map_ok(|bytes| bytes.freeze())
}
pub fn into_snapshot_stream<R: AsyncRead>(reader: R) -> impl Stream<Item = anyhow::Result<Bytes>> {
    into_bytes_stream(reader).map(|res| res.map_err(|_| anyhow::Error::msg("streaming error")))
}

async fn read_bytes_stream<W: AsyncWrite + Unpin>(
    w: W,
    mut st: impl Stream<Item = io::Result<Bytes>> + Unpin,
) -> io::Result<()> {
    use futures::SinkExt;
    let mut sink = codec::FramedWrite::new(w, codec::BytesCodec::new());
    sink.send_all(&mut st).await?;
    Ok(())
}
pub async fn read_snapshot_stream<W: AsyncWrite + Unpin>(
    writer: W,
    st: impl Stream<Item = anyhow::Result<Bytes>> + Unpin,
) -> io::Result<()> {
    let st = st.map(|res| res.map_err(|_| std::io::Error::from(std::io::ErrorKind::Other)));
    read_bytes_stream(writer, st).await
}