Files
bichon/crates/smtp/src/stream.rs
T

84 lines
2.5 KiB
Rust

//
// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
//
// This file is part of the Bichon Email Archiving Project
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
use std::{io, pin::Pin};
use tokio::io::{AsyncBufRead, AsyncRead, AsyncWrite, BufReader};
pub struct BufStream<S> {
pub inner: BufReader<S>,
}
impl<S: AsyncRead + AsyncWrite + Unpin> BufStream<S> {
pub fn new(stream: S) -> Self {
Self {
inner: BufReader::new(stream),
}
}
pub fn into_inner(self) -> S {
self.inner.into_inner()
}
}
impl<S: AsyncRead + Unpin> AsyncBufRead for BufStream<S> {
fn poll_fill_buf(
self: Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<io::Result<&[u8]>> {
Pin::new(&mut self.get_mut().inner).poll_fill_buf(cx)
}
fn consume(self: Pin<&mut Self>, amt: usize) {
Pin::new(&mut self.get_mut().inner).consume(amt);
}
}
impl<S: AsyncRead + Unpin> AsyncRead for BufStream<S> {
fn poll_read(
self: Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
buf: &mut tokio::io::ReadBuf<'_>,
) -> std::task::Poll<io::Result<()>> {
Pin::new(&mut self.get_mut().inner).poll_read(cx, buf)
}
}
impl<S: AsyncRead + AsyncWrite + Unpin> AsyncWrite for BufStream<S> {
fn poll_write(
self: Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
buf: &[u8],
) -> std::task::Poll<io::Result<usize>> {
Pin::new(self.get_mut().inner.get_mut()).poll_write(cx, buf)
}
fn poll_flush(
self: Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<io::Result<()>> {
Pin::new(self.get_mut().inner.get_mut()).poll_flush(cx)
}
fn poll_shutdown(
self: Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<io::Result<()>> {
Pin::new(self.get_mut().inner.get_mut()).poll_shutdown(cx)
}
}