forked from tiny-http/tiny-http
/
refined_tcp_stream.rs
131 lines (114 loc) · 3.64 KB
/
refined_tcp_stream.rs
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use std::io::{Read, Write};
use std::io::Result as IoResult;
use std::net::{SocketAddr, TcpStream, Shutdown};
#[cfg(feature = "ssl")]
use std::sync::{Arc, Mutex};
#[cfg(feature = "ssl")]
use openssl::ssl::SslStream;
pub struct RefinedTcpStream {
stream: Stream,
close_read: bool,
close_write: bool,
}
pub enum Stream {
Http(TcpStream),
#[cfg(feature = "ssl")]
Https(Arc<Mutex<SslStream<TcpStream>>>),
}
impl From<TcpStream> for Stream {
#[inline]
fn from(stream: TcpStream) -> Stream {
Stream::Http(stream)
}
}
#[cfg(feature = "ssl")]
impl From<SslStream<TcpStream>> for Stream {
#[inline]
fn from(stream: SslStream<TcpStream>) -> Stream {
Stream::Https(Arc::new(Mutex::new(stream)))
}
}
impl RefinedTcpStream {
pub fn new<S>(stream: S) -> (RefinedTcpStream, RefinedTcpStream)
where S: Into<Stream>
{
let stream = stream.into();
let read = match stream {
Stream::Http(ref stream) => Stream::Http(stream.try_clone().unwrap()),
#[cfg(feature = "ssl")]
Stream::Https(ref stream) => Stream::Https(stream.clone()),
};
let read = RefinedTcpStream {
stream: read,
close_read: true,
close_write: false,
};
let write = RefinedTcpStream {
stream: stream,
close_read: false,
close_write: true,
};
(read, write)
}
/// Returns true if this struct wraps arounds a secure connection.
#[inline]
pub fn secure(&self) -> bool {
match self.stream {
Stream::Http(_) => false,
#[cfg(feature = "ssl")]
Stream::Https(_) => true,
}
}
pub fn peer_addr(&mut self) -> IoResult<SocketAddr> {
match self.stream {
Stream::Http(ref mut stream) => stream.peer_addr(),
#[cfg(feature = "ssl")]
Stream::Https(ref mut stream) => stream.lock().unwrap().get_ref().peer_addr(),
}
}
}
impl Drop for RefinedTcpStream {
fn drop(&mut self) {
if self.close_read {
match self.stream {
// ignoring outcome
Stream::Http(ref mut stream) => stream.shutdown(Shutdown::Read).ok(),
#[cfg(feature = "ssl")]
Stream::Https(ref mut stream) => stream.lock().unwrap().get_mut().shutdown(Shutdown::Read).ok(),
};
}
if self.close_write {
match self.stream {
// ignoring outcome
Stream::Http(ref mut stream) => stream.shutdown(Shutdown::Write).ok(),
#[cfg(feature = "ssl")]
Stream::Https(ref mut stream) => stream.lock().unwrap().get_mut().shutdown(Shutdown::Write).ok(),
};
}
}
}
impl Read for RefinedTcpStream {
fn read(&mut self, buf: &mut [u8]) -> IoResult<usize> {
match self.stream {
Stream::Http(ref mut stream) => stream.read(buf),
#[cfg(feature = "ssl")]
Stream::Https(ref mut stream) => stream.lock().unwrap().read(buf),
}
}
}
impl Write for RefinedTcpStream {
fn write(&mut self, buf: &[u8]) -> IoResult<usize> {
match self.stream {
Stream::Http(ref mut stream) => stream.write(buf),
#[cfg(feature = "ssl")]
Stream::Https(ref mut stream) => stream.lock().unwrap().write(buf),
}
}
fn flush(&mut self) -> IoResult<()> {
match self.stream {
Stream::Http(ref mut stream) => stream.flush(),
#[cfg(feature = "ssl")]
Stream::Https(ref mut stream) => stream.lock().unwrap().flush(),
}
}
}