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use std::fmt;
use std::io;
use std::io::IoSlice;
use std::pin::Pin;
use std::task::{Context, Poll};
use hyper::client::connect::{Connected, Connection};
use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
pub use tokio_native_tls::TlsStream;
pub enum MaybeHttpsStream<T> {
Http(T),
Https(TlsStream<T>),
}
impl<T: fmt::Debug> fmt::Debug for MaybeHttpsStream<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
MaybeHttpsStream::Http(s) => f.debug_tuple("Http").field(s).finish(),
MaybeHttpsStream::Https(s) => f.debug_tuple("Https").field(s).finish(),
}
}
}
impl<T> From<T> for MaybeHttpsStream<T> {
fn from(inner: T) -> Self {
MaybeHttpsStream::Http(inner)
}
}
impl<T> From<TlsStream<T>> for MaybeHttpsStream<T> {
fn from(inner: TlsStream<T>) -> Self {
MaybeHttpsStream::Https(inner)
}
}
impl<T: AsyncRead + AsyncWrite + Unpin> AsyncRead for MaybeHttpsStream<T> {
#[inline]
fn poll_read(
self: Pin<&mut Self>,
cx: &mut Context,
buf: &mut ReadBuf,
) -> Poll<Result<(), io::Error>> {
match Pin::get_mut(self) {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_read(cx, buf),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_read(cx, buf),
}
}
}
impl<T: AsyncWrite + AsyncRead + Unpin> AsyncWrite for MaybeHttpsStream<T> {
#[inline]
fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<Result<usize, io::Error>> {
match Pin::get_mut(self) {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_write(cx, buf),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_write(cx, buf),
}
}
fn poll_write_vectored(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
bufs: &[IoSlice<'_>],
) -> Poll<Result<usize, io::Error>> {
match Pin::get_mut(self) {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_write_vectored(cx, bufs),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_write_vectored(cx, bufs),
}
}
fn is_write_vectored(&self) -> bool {
match self {
MaybeHttpsStream::Http(s) => s.is_write_vectored(),
MaybeHttpsStream::Https(s) => s.is_write_vectored(),
}
}
#[inline]
fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
match Pin::get_mut(self) {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_flush(cx),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_flush(cx),
}
}
#[inline]
fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
match Pin::get_mut(self) {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_shutdown(cx),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_shutdown(cx),
}
}
}
impl<T: AsyncRead + AsyncWrite + Connection + Unpin> Connection for MaybeHttpsStream<T> {
fn connected(&self) -> Connected {
match self {
MaybeHttpsStream::Http(s) => s.connected(),
MaybeHttpsStream::Https(s) => s.get_ref().get_ref().get_ref().connected(),
}
}
}