72 lines
1.8 KiB
Rust
72 lines
1.8 KiB
Rust
// Copyright 2015-2018 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::Arc;
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use std::net::Shutdown;
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use std::io::{Read, Write, Error};
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use futures::Poll;
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use tokio_io::{AsyncRead, AsyncWrite};
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use tokio::net::TcpStream;
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/// Read+Write implementation for Arc<TcpStream>.
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pub struct SharedTcpStream {
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io: Arc<TcpStream>,
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}
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impl SharedTcpStream {
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pub fn new(a: Arc<TcpStream>) -> Self {
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SharedTcpStream {
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io: a,
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}
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}
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}
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impl From<TcpStream> for SharedTcpStream {
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fn from(a: TcpStream) -> Self {
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SharedTcpStream::new(Arc::new(a))
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}
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}
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impl AsyncRead for SharedTcpStream {}
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impl AsyncWrite for SharedTcpStream {
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fn shutdown(&mut self) -> Poll<(), Error> {
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self.io.shutdown(Shutdown::Both).map(Into::into)
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}
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}
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impl Read for SharedTcpStream {
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fn read(&mut self, buf: &mut [u8]) -> Result<usize, Error> {
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Read::read(&mut (&*self.io as &TcpStream), buf)
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}
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}
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impl Write for SharedTcpStream {
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fn write(&mut self, buf: &[u8]) -> Result<usize, Error> {
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Write::write(&mut (&*self.io as &TcpStream), buf)
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}
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fn flush(&mut self) -> Result<(), Error> {
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Write::flush(&mut (&*self.io as &TcpStream))
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}
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}
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impl Clone for SharedTcpStream {
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fn clone(&self) -> Self {
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SharedTcpStream::new(self.io.clone())
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}
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}
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