1use tokio::{io::{AsyncRead, AsyncWrite}, net::TcpStream};
2
3use crate::transport::Transport;
4
5pub struct TcpTransport {
6 stream: TcpStream
7}
8
9impl TcpTransport {
10 pub async fn new(address: &str) -> Result<TcpTransport, Box<dyn std::error::Error + Sync + Send>>
11 {
12 Ok(TcpTransport {
13 stream: TcpStream::connect(address).await?
14 })
15 }
16}
17
18impl AsyncWrite for TcpTransport {
19 fn poll_write(
20 self: std::pin::Pin<&mut Self>,
21 cx: &mut std::task::Context<'_>,
22 buf: &[u8],
23 ) -> std::task::Poll<Result<usize, std::io::Error>> {
24 std::pin::Pin::new(&mut self.get_mut().stream).poll_write(cx, buf)
25 }
26
27 fn poll_flush(self: std::pin::Pin<&mut Self>, cx: &mut std::task::Context<'_>) -> std::task::Poll<Result<(), std::io::Error>> {
28 std::pin::Pin::new(&mut self.get_mut().stream).poll_flush(cx)
29 }
30
31 fn poll_shutdown(self: std::pin::Pin<&mut Self>, cx: &mut std::task::Context<'_>) -> std::task::Poll<Result<(), std::io::Error>> {
32 std::pin::Pin::new(&mut self.get_mut().stream).poll_shutdown(cx)
33 }
34}
35
36impl AsyncRead for TcpTransport {
37 fn poll_read(self: std::pin::Pin<&mut Self>, cx: &mut std::task::Context<'_>, buf: &mut tokio::io::ReadBuf<'_>) -> std::task::Poll<std::io::Result<()>> {
38 std::pin::Pin::new(&mut self.get_mut().stream).poll_read(cx, buf)
39 }
40}
41
42impl Transport for TcpTransport {
43 fn transport_type(&self) -> String {
44 return String::from("tcp");
45 }
46}