use crate::prelude::*;
#[ cfg (feature = "hss-accepter") ]
pub enum Connection {
TcpStream (tokio::TcpStream, net::SocketAddr),
#[ cfg (feature = "hss-tls-rust") ]
RustTlsTcpStreamPending (tokio_rustls::Accept<tokio::TcpStream>, net::SocketAddr),
#[ cfg (feature = "hss-tls-rust") ]
RustTlsTcpStream (tokio_rustls::server::TlsStream<tokio::TcpStream>, net::SocketAddr),
#[ cfg (feature = "hss-tls-native") ]
NativeTlsTcpStreamPending (Arc<tokio_natls::TlsAcceptor>, Pin<Box<dyn Future<Output = Result<tokio_natls::TlsStream<tokio::TcpStream>, natls::Error>> + Send + 'static>>, net::SocketAddr),
#[ cfg (feature = "hss-tls-native") ]
NativeTlsTcpStream (tokio_natls::TlsStream<tokio::TcpStream>, net::SocketAddr),
}
#[ cfg (feature = "hss-accepter") ]
impl Connection {
fn poll_stream (self : Pin<&mut Self>, _context : &mut Context<'_>) -> Poll<ServerResult<Pin<&mut dyn AsyncStream>>> {
let _self = Pin::into_inner (self);
match _self {
Connection::TcpStream (_stream, _) =>
Poll::Ready (Ok (Pin::new (_stream))),
#[ cfg (feature = "hss-tls-rust") ]
Connection::RustTlsTcpStreamPending (_accepter, _address) =>
match futures::ready! (Pin::new (_accepter) .poll (_context)) {
Ok (_stream) => {
*_self = Connection::RustTlsTcpStream (_stream, *_address);
Self::poll_stream (Pin::new (_self), _context)
}
Err (_error) =>
Poll::Ready (Err (_error)),
}
#[ cfg (feature = "hss-tls-rust") ]
Connection::RustTlsTcpStream (_stream, _) =>
Poll::Ready (Ok (Pin::new (_stream))),
#[ cfg (feature = "hss-tls-native") ]
Connection::NativeTlsTcpStreamPending (_tls, _accepter, _address) =>
match futures::ready! (_accepter.as_mut () .poll (_context)) {
Ok (_stream) => {
*_self = Connection::NativeTlsTcpStream (_stream, *_address);
Self::poll_stream (Pin::new (_self), _context)
}
Err (_error) =>
Poll::Ready (Err (_error.wrap (0xba9facee))),
}
#[ cfg (feature = "hss-tls-native") ]
Connection::NativeTlsTcpStream (_stream, _) =>
Poll::Ready (Ok (Pin::new (_stream))),
}
}
}
#[ cfg (feature = "hss-accepter") ]
trait AsyncStream : tokio::AsyncRead + tokio::AsyncWrite + Unpin {}
#[ cfg (feature = "hss-accepter") ]
impl <S : tokio::AsyncRead + tokio::AsyncWrite + Unpin> AsyncStream for S {}
#[ cfg (feature = "hss-accepter") ]
impl tokio::AsyncRead for Connection {
fn poll_read (self : Pin<&mut Self>, _context : &mut Context<'_>, _buffer : &mut tokio::ReadBuf<'_>) -> Poll<ServerResult> {
match futures::ready! (self.poll_stream (_context)) {
Ok (_stream) =>
_stream.poll_read (_context, _buffer),
Err (_error) =>
Poll::Ready (Err (_error)),
}
}
}
#[ cfg (feature = "hss-accepter") ]
impl tokio::AsyncWrite for Connection {
fn poll_write (self : Pin<&mut Self>, _context : &mut Context<'_>, _buffer : &[u8]) -> Poll<ServerResult<usize>> {
match futures::ready! (self.poll_stream (_context)) {
Ok (_stream) =>
_stream.poll_write (_context, _buffer),
Err (_error) =>
Poll::Ready (Err (_error)),
}
}
fn poll_flush (self : Pin<&mut Self>, _context : &mut Context<'_>) -> Poll<ServerResult> {
match futures::ready! (self.poll_stream (_context)) {
Ok (_stream) =>
_stream.poll_flush (_context),
Err (_error) =>
Poll::Ready (Err (_error)),
}
}
fn poll_shutdown (self : Pin<&mut Self>, _context : &mut Context<'_>) -> Poll<ServerResult> {
match futures::ready! (self.poll_stream (_context)) {
Ok (_stream) =>
_stream.poll_shutdown (_context),
Err (_error) =>
Poll::Ready (Err (_error)),
}
}
}