mirror of
https://github.com/denoland/deno.git
synced 2024-11-23 15:16:54 -05:00
303 lines
9.5 KiB
Rust
303 lines
9.5 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use crate::io::TcpStreamResource;
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#[cfg(unix)]
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use crate::io::UnixStreamResource;
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use crate::ops::TcpListenerResource;
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use crate::ops_tls::TlsListenerResource;
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use crate::ops_tls::TlsStreamResource;
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use crate::ops_tls::TLS_BUFFER_SIZE;
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#[cfg(unix)]
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use crate::ops_unix::UnixListenerResource;
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use deno_core::error::bad_resource;
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use deno_core::error::bad_resource_id;
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use deno_core::error::AnyError;
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use deno_core::ResourceId;
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use deno_core::ResourceTable;
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use deno_tls::rustls::ServerConfig;
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use pin_project::pin_project;
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use rustls_tokio_stream::TlsStream;
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use std::rc::Rc;
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use std::sync::Arc;
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use tokio::net::TcpStream;
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#[cfg(unix)]
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use tokio::net::UnixStream;
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/// A raw stream of one of the types handled by this extension.
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#[pin_project(project = NetworkStreamProject)]
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pub enum NetworkStream {
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Tcp(#[pin] TcpStream),
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Tls(#[pin] TlsStream),
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#[cfg(unix)]
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Unix(#[pin] UnixStream),
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}
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impl From<TcpStream> for NetworkStream {
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fn from(value: TcpStream) -> Self {
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NetworkStream::Tcp(value)
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}
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}
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impl From<TlsStream> for NetworkStream {
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fn from(value: TlsStream) -> Self {
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NetworkStream::Tls(value)
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}
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}
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#[cfg(unix)]
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impl From<UnixStream> for NetworkStream {
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fn from(value: UnixStream) -> Self {
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NetworkStream::Unix(value)
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}
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}
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/// A raw stream of one of the types handled by this extension.
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub enum NetworkStreamType {
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Tcp,
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Tls,
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#[cfg(unix)]
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Unix,
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}
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impl NetworkStream {
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pub fn local_address(&self) -> Result<NetworkStreamAddress, std::io::Error> {
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match self {
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Self::Tcp(tcp) => Ok(NetworkStreamAddress::Ip(tcp.local_addr()?)),
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Self::Tls(tls) => Ok(NetworkStreamAddress::Ip(tls.local_addr()?)),
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#[cfg(unix)]
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Self::Unix(unix) => Ok(NetworkStreamAddress::Unix(unix.local_addr()?)),
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}
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}
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pub fn peer_address(&self) -> Result<NetworkStreamAddress, std::io::Error> {
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match self {
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Self::Tcp(tcp) => Ok(NetworkStreamAddress::Ip(tcp.peer_addr()?)),
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Self::Tls(tls) => Ok(NetworkStreamAddress::Ip(tls.peer_addr()?)),
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#[cfg(unix)]
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Self::Unix(unix) => Ok(NetworkStreamAddress::Unix(unix.peer_addr()?)),
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}
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}
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pub fn stream(&self) -> NetworkStreamType {
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match self {
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Self::Tcp(_) => NetworkStreamType::Tcp,
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Self::Tls(_) => NetworkStreamType::Tls,
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#[cfg(unix)]
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Self::Unix(_) => NetworkStreamType::Unix,
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}
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}
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}
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impl tokio::io::AsyncRead for NetworkStream {
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fn poll_read(
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self: std::pin::Pin<&mut Self>,
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cx: &mut std::task::Context<'_>,
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buf: &mut tokio::io::ReadBuf<'_>,
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) -> std::task::Poll<std::io::Result<()>> {
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match self.project() {
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NetworkStreamProject::Tcp(s) => s.poll_read(cx, buf),
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NetworkStreamProject::Tls(s) => s.poll_read(cx, buf),
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#[cfg(unix)]
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NetworkStreamProject::Unix(s) => s.poll_read(cx, buf),
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}
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}
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}
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impl tokio::io::AsyncWrite for NetworkStream {
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fn poll_write(
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self: std::pin::Pin<&mut Self>,
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cx: &mut std::task::Context<'_>,
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buf: &[u8],
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) -> std::task::Poll<Result<usize, std::io::Error>> {
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match self.project() {
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NetworkStreamProject::Tcp(s) => s.poll_write(cx, buf),
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NetworkStreamProject::Tls(s) => s.poll_write(cx, buf),
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#[cfg(unix)]
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NetworkStreamProject::Unix(s) => s.poll_write(cx, buf),
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}
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}
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fn poll_flush(
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self: std::pin::Pin<&mut Self>,
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cx: &mut std::task::Context<'_>,
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) -> std::task::Poll<Result<(), std::io::Error>> {
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match self.project() {
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NetworkStreamProject::Tcp(s) => s.poll_flush(cx),
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NetworkStreamProject::Tls(s) => s.poll_flush(cx),
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#[cfg(unix)]
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NetworkStreamProject::Unix(s) => s.poll_flush(cx),
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}
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}
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fn poll_shutdown(
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self: std::pin::Pin<&mut Self>,
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cx: &mut std::task::Context<'_>,
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) -> std::task::Poll<Result<(), std::io::Error>> {
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match self.project() {
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NetworkStreamProject::Tcp(s) => s.poll_shutdown(cx),
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NetworkStreamProject::Tls(s) => s.poll_shutdown(cx),
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#[cfg(unix)]
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NetworkStreamProject::Unix(s) => s.poll_shutdown(cx),
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}
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}
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fn is_write_vectored(&self) -> bool {
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match self {
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Self::Tcp(s) => s.is_write_vectored(),
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Self::Tls(s) => s.is_write_vectored(),
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#[cfg(unix)]
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Self::Unix(s) => s.is_write_vectored(),
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}
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}
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fn poll_write_vectored(
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self: std::pin::Pin<&mut Self>,
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cx: &mut std::task::Context<'_>,
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bufs: &[std::io::IoSlice<'_>],
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) -> std::task::Poll<Result<usize, std::io::Error>> {
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match self.project() {
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NetworkStreamProject::Tcp(s) => s.poll_write_vectored(cx, bufs),
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NetworkStreamProject::Tls(s) => s.poll_write_vectored(cx, bufs),
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#[cfg(unix)]
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NetworkStreamProject::Unix(s) => s.poll_write_vectored(cx, bufs),
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}
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}
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}
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/// A raw stream listener of one of the types handled by this extension.
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pub enum NetworkStreamListener {
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Tcp(tokio::net::TcpListener),
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Tls(tokio::net::TcpListener, Arc<ServerConfig>),
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#[cfg(unix)]
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Unix(tokio::net::UnixListener),
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}
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pub enum NetworkStreamAddress {
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Ip(std::net::SocketAddr),
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#[cfg(unix)]
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Unix(tokio::net::unix::SocketAddr),
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}
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impl NetworkStreamListener {
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/// Accepts a connection on this listener.
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pub async fn accept(&self) -> Result<NetworkStream, std::io::Error> {
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Ok(match self {
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Self::Tcp(tcp) => {
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let (stream, _addr) = tcp.accept().await?;
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NetworkStream::Tcp(stream)
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}
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Self::Tls(tcp, config) => {
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let (stream, _addr) = tcp.accept().await?;
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NetworkStream::Tls(TlsStream::new_server_side(
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stream,
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config.clone(),
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TLS_BUFFER_SIZE,
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))
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}
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#[cfg(unix)]
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Self::Unix(unix) => {
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let (stream, _addr) = unix.accept().await?;
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NetworkStream::Unix(stream)
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}
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})
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}
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pub fn listen_address(&self) -> Result<NetworkStreamAddress, std::io::Error> {
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match self {
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Self::Tcp(tcp) => Ok(NetworkStreamAddress::Ip(tcp.local_addr()?)),
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Self::Tls(tcp, _) => Ok(NetworkStreamAddress::Ip(tcp.local_addr()?)),
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#[cfg(unix)]
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Self::Unix(unix) => Ok(NetworkStreamAddress::Unix(unix.local_addr()?)),
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}
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}
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pub fn stream(&self) -> NetworkStreamType {
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match self {
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Self::Tcp(..) => NetworkStreamType::Tcp,
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Self::Tls(..) => NetworkStreamType::Tls,
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#[cfg(unix)]
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Self::Unix(..) => NetworkStreamType::Unix,
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}
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}
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}
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/// In some cases it may be more efficient to extract the resource from the resource table and use it directly (for example, an HTTP server).
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/// This method will extract a stream from the resource table and return it, unwrapped.
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pub fn take_network_stream_resource(
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resource_table: &mut ResourceTable,
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stream_rid: ResourceId,
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) -> Result<NetworkStream, AnyError> {
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// The stream we're attempting to unwrap may be in use somewhere else. If that's the case, we cannot proceed
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// with the process of unwrapping this connection, so we just return a bad resource error.
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// See also: https://github.com/denoland/deno/pull/16242
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if let Ok(resource_rc) = resource_table.take::<TcpStreamResource>(stream_rid)
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{
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// This TCP connection might be used somewhere else.
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let resource = Rc::try_unwrap(resource_rc)
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.map_err(|_| bad_resource("TCP stream is currently in use"))?;
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let (read_half, write_half) = resource.into_inner();
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let tcp_stream = read_half.reunite(write_half)?;
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return Ok(NetworkStream::Tcp(tcp_stream));
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}
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if let Ok(resource_rc) = resource_table.take::<TlsStreamResource>(stream_rid)
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{
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// This TLS connection might be used somewhere else.
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let resource = Rc::try_unwrap(resource_rc)
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.map_err(|_| bad_resource("TLS stream is currently in use"))?;
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let (read_half, write_half) = resource.into_inner();
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let tls_stream = read_half.unsplit(write_half);
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return Ok(NetworkStream::Tls(tls_stream));
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}
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#[cfg(unix)]
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if let Ok(resource_rc) = resource_table.take::<UnixStreamResource>(stream_rid)
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{
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// This UNIX socket might be used somewhere else.
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let resource = Rc::try_unwrap(resource_rc)
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.map_err(|_| bad_resource("UNIX stream is currently in use"))?;
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let (read_half, write_half) = resource.into_inner();
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let unix_stream = read_half.reunite(write_half)?;
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return Ok(NetworkStream::Unix(unix_stream));
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}
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Err(bad_resource_id())
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}
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/// In some cases it may be more efficient to extract the resource from the resource table and use it directly (for example, an HTTP server).
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/// This method will extract a stream from the resource table and return it, unwrapped.
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pub fn take_network_stream_listener_resource(
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resource_table: &mut ResourceTable,
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listener_rid: ResourceId,
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) -> Result<NetworkStreamListener, AnyError> {
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if let Ok(resource_rc) =
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resource_table.take::<TcpListenerResource>(listener_rid)
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{
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let resource = Rc::try_unwrap(resource_rc)
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.map_err(|_| bad_resource("TCP socket listener is currently in use"))?;
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return Ok(NetworkStreamListener::Tcp(resource.listener.into_inner()));
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}
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if let Ok(resource_rc) =
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resource_table.take::<TlsListenerResource>(listener_rid)
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{
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let resource = Rc::try_unwrap(resource_rc)
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.map_err(|_| bad_resource("TLS socket listener is currently in use"))?;
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return Ok(NetworkStreamListener::Tls(
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resource.tcp_listener.into_inner(),
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resource.tls_config,
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));
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}
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#[cfg(unix)]
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if let Ok(resource_rc) =
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resource_table.take::<UnixListenerResource>(listener_rid)
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{
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let resource = Rc::try_unwrap(resource_rc)
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.map_err(|_| bad_resource("UNIX socket listener is currently in use"))?;
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return Ok(NetworkStreamListener::Unix(resource.listener.into_inner()));
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}
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Err(bad_resource_id())
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}
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