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|
use crate::prelude::*;
pub struct Server {
server: super::Server<tokio_tls::TlsStream<tokio::net::TcpStream>>,
acceptor: Box<
dyn futures::Stream<
Item = tokio_tls::Accept<tokio::net::TcpStream>,
Error = Error,
> + Send,
>,
sock_w: tokio::sync::mpsc::Sender<
tokio_tls::TlsStream<tokio::net::TcpStream>,
>,
accepting_sockets: Vec<tokio_tls::Accept<tokio::net::TcpStream>>,
}
impl Server {
pub fn new(
acceptor: Box<
dyn futures::Stream<
Item = tokio_tls::Accept<tokio::net::TcpStream>,
Error = Error,
> + Send,
>,
read_timeout: std::time::Duration,
allowed_login_methods: std::collections::HashSet<
crate::protocol::AuthType,
>,
oauth_configs: std::collections::HashMap<
crate::protocol::AuthType,
std::collections::HashMap<
crate::protocol::AuthClient,
crate::oauth::Config,
>,
>,
) -> Self {
let (tls_sock_w, tls_sock_r) = tokio::sync::mpsc::channel(100);
Self {
server: super::Server::new(
Box::new(
tls_sock_r.context(crate::error::SocketChannelReceive),
),
read_timeout,
allowed_login_methods,
oauth_configs,
),
acceptor,
sock_w: tls_sock_w,
accepting_sockets: vec![],
}
}
}
impl Server {
const POLL_FNS:
&'static [&'static dyn for<'a> Fn(
&'a mut Self,
)
-> component_future::Poll<
(),
Error,
>] = &[
&Self::poll_accept,
&Self::poll_handshake_connections,
&Self::poll_server,
];
fn poll_accept(&mut self) -> component_future::Poll<(), Error> {
if let Some(sock) = component_future::try_ready!(self.acceptor.poll())
{
self.accepting_sockets.push(sock);
Ok(component_future::Async::DidWork)
} else {
Err(Error::SocketChannelClosed)
}
}
fn poll_handshake_connections(
&mut self,
) -> component_future::Poll<(), Error> {
let mut did_work = false;
let mut not_ready = false;
let mut i = 0;
while i < self.accepting_sockets.len() {
let sock = self.accepting_sockets.get_mut(i).unwrap();
match sock.poll() {
Ok(futures::Async::Ready(sock)) => {
self.accepting_sockets.swap_remove(i);
self.sock_w.try_send(sock).unwrap_or_else(|e| {
log::warn!(
"failed to send connected tls socket: {}",
e
);
});
did_work = true;
continue;
}
Ok(futures::Async::NotReady) => {
not_ready = true;
}
Err(e) => {
log::warn!("failed to accept tls connection: {}", e);
self.accepting_sockets.swap_remove(i);
continue;
}
}
i += 1;
}
if did_work {
Ok(component_future::Async::DidWork)
} else if not_ready {
Ok(component_future::Async::NotReady)
} else {
Ok(component_future::Async::NothingToDo)
}
}
fn poll_server(&mut self) -> component_future::Poll<(), Error> {
component_future::try_ready!(self.server.poll());
Ok(component_future::Async::Ready(()))
}
}
#[must_use = "futures do nothing unless polled"]
impl futures::Future for Server {
type Item = ();
type Error = Error;
fn poll(&mut self) -> futures::Poll<Self::Item, Self::Error> {
component_future::poll_future(self, Self::POLL_FNS)
}
}
|
