use crate::common::tls_state::TlsState;
use crate::server;
use futures_io::{AsyncRead, AsyncWrite};
use rustls::{ServerConfig, ServerSession};
use std::future::Future;
use std::io;
use std::pin::Pin;
use std::sync::Arc;
use std::task::{Context, Poll};
#[derive(Clone)]
pub struct TlsAcceptor {
inner: Arc<ServerConfig>,
}
impl TlsAcceptor {
#[inline]
pub fn accept<IO>(&self, stream: IO) -> Accept<IO>
where
IO: AsyncRead + AsyncWrite + Unpin,
{
self.accept_with(stream, |_| ())
}
fn accept_with<IO, F>(&self, stream: IO, f: F) -> Accept<IO>
where
IO: AsyncRead + AsyncWrite + Unpin,
F: FnOnce(&mut ServerSession),
{
let mut session = ServerSession::new(&self.inner);
f(&mut session);
Accept(server::MidHandshake::Handshaking(server::TlsStream {
session,
io: stream,
state: TlsState::Stream,
}))
}
}
pub struct Accept<IO>(server::MidHandshake<IO>);
impl<IO: AsyncRead + AsyncWrite + Unpin> Future for Accept<IO> {
type Output = io::Result<server::TlsStream<IO>>;
#[inline]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
Pin::new(&mut self.0).poll(cx)
}
}
impl From<Arc<ServerConfig>> for TlsAcceptor {
fn from(inner: Arc<ServerConfig>) -> TlsAcceptor {
TlsAcceptor { inner }
}
}
impl From<ServerConfig> for TlsAcceptor {
fn from(inner: ServerConfig) -> TlsAcceptor {
TlsAcceptor {
inner: Arc::new(inner),
}
}
}