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fix automatically drop IpstackTcpStream (#32)
* fix automatically drop IpstackTcpStream * IpStackTcpStreamInner is so larger and place it to heap * Code refactor --------- Co-authored-by: SajjadPourali
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| use std::{net::SocketAddr, pin::Pin, time::Duration}; | ||
|
|
||
| use tokio::{ | ||
| io::AsyncWriteExt, | ||
| sync::mpsc::{self, UnboundedSender}, | ||
| time::timeout, | ||
| }; | ||
|
|
||
| use crate::{ | ||
| packet::{NetworkPacket, TcpPacket}, | ||
| IpStackError, | ||
| }; | ||
|
|
||
| use super::tcp::IpStackTcpStream as IpStackTcpStreamInner; | ||
|
|
||
| pub struct IpStackTcpStream { | ||
| inner: Option<Box<IpStackTcpStreamInner>>, | ||
| peer_addr: SocketAddr, | ||
| local_addr: SocketAddr, | ||
| stream_sender: mpsc::UnboundedSender<NetworkPacket>, | ||
| } | ||
|
|
||
| impl IpStackTcpStream { | ||
| pub(crate) fn new( | ||
| local_addr: SocketAddr, | ||
| peer_addr: SocketAddr, | ||
| tcp: TcpPacket, | ||
| pkt_sender: UnboundedSender<NetworkPacket>, | ||
| mtu: u16, | ||
| tcp_timeout: Duration, | ||
| ) -> Result<IpStackTcpStream, IpStackError> { | ||
| let (stream_sender, stream_receiver) = mpsc::unbounded_channel::<NetworkPacket>(); | ||
| IpStackTcpStreamInner::new( | ||
| local_addr, | ||
| peer_addr, | ||
| tcp, | ||
| pkt_sender, | ||
| stream_receiver, | ||
| mtu, | ||
| tcp_timeout, | ||
| ) | ||
| .map(Box::new) | ||
| .map(|inner| IpStackTcpStream { | ||
| inner: Some(inner), | ||
| peer_addr, | ||
| local_addr, | ||
| stream_sender, | ||
| }) | ||
| } | ||
| pub fn local_addr(&self) -> SocketAddr { | ||
| self.local_addr | ||
| } | ||
| pub fn peer_addr(&self) -> SocketAddr { | ||
| self.peer_addr | ||
| } | ||
| pub fn stream_sender(&self) -> UnboundedSender<NetworkPacket> { | ||
| self.stream_sender.clone() | ||
| } | ||
| } | ||
|
|
||
| impl tokio::io::AsyncRead for IpStackTcpStream { | ||
| fn poll_read( | ||
| mut self: std::pin::Pin<&mut Self>, | ||
| cx: &mut std::task::Context<'_>, | ||
| buf: &mut tokio::io::ReadBuf<'_>, | ||
| ) -> std::task::Poll<std::io::Result<()>> { | ||
| match self.inner.as_mut() { | ||
| Some(mut inner) => Pin::new(&mut inner).poll_read(cx, buf), | ||
| None => { | ||
| std::task::Poll::Ready(Err(std::io::Error::from(std::io::ErrorKind::NotConnected))) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl tokio::io::AsyncWrite for IpStackTcpStream { | ||
| fn poll_write( | ||
| mut self: std::pin::Pin<&mut Self>, | ||
| cx: &mut std::task::Context<'_>, | ||
| buf: &[u8], | ||
| ) -> std::task::Poll<Result<usize, std::io::Error>> { | ||
| match self.inner.as_mut() { | ||
| Some(mut inner) => Pin::new(&mut inner).poll_write(cx, buf), | ||
| None => { | ||
| std::task::Poll::Ready(Err(std::io::Error::from(std::io::ErrorKind::NotConnected))) | ||
| } | ||
| } | ||
| } | ||
| fn poll_flush( | ||
| mut self: std::pin::Pin<&mut Self>, | ||
| cx: &mut std::task::Context<'_>, | ||
| ) -> std::task::Poll<Result<(), std::io::Error>> { | ||
| match self.inner.as_mut() { | ||
| Some(mut inner) => Pin::new(&mut inner).poll_flush(cx), | ||
| None => { | ||
| std::task::Poll::Ready(Err(std::io::Error::from(std::io::ErrorKind::NotConnected))) | ||
| } | ||
| } | ||
| } | ||
| fn poll_shutdown( | ||
| mut self: std::pin::Pin<&mut Self>, | ||
| cx: &mut std::task::Context<'_>, | ||
| ) -> std::task::Poll<Result<(), std::io::Error>> { | ||
| match self.inner.as_mut() { | ||
| Some(mut inner) => Pin::new(&mut inner).poll_shutdown(cx), | ||
| None => { | ||
| std::task::Poll::Ready(Err(std::io::Error::from(std::io::ErrorKind::NotConnected))) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl Drop for IpStackTcpStream { | ||
| fn drop(&mut self) { | ||
| if let Some(mut inner) = self.inner.take() { | ||
| tokio::spawn(async move { | ||
| _ = timeout(Duration::from_secs(2), inner.shutdown()).await; | ||
| }); | ||
| } | ||
| } | ||
| } |