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use crate::ops::io::StreamResource;
use crate::ops::io::StreamResourceHolder;
use crate::ops::net::AcceptArgs;
use crate::ops::net::ReceiveArgs;
use crate::state::State;
use deno_core::BufVec;
use deno_core::ErrBox;
use serde_derive::Deserialize;
use serde_json::Value;
use std::fs::remove_file;
use std::os::unix;
pub use std::path::Path;
use std::rc::Rc;
use tokio::net::UnixDatagram;
use tokio::net::UnixListener;
pub use tokio::net::UnixStream;
struct UnixListenerResource {
listener: UnixListener,
}
pub struct UnixDatagramResource {
pub socket: UnixDatagram,
pub local_addr: unix::net::SocketAddr,
}
#[derive(Deserialize)]
pub struct UnixListenArgs {
pub path: String,
}
pub(crate) async fn accept_unix(
state: Rc<State>,
args: AcceptArgs,
_bufs: BufVec,
) -> Result<Value, ErrBox> {
let rid = args.rid as u32;
let mut resource_table_ = state.resource_table.borrow_mut();
let listener_resource = {
resource_table_
.get_mut::<UnixListenerResource>(rid)
.ok_or_else(|| ErrBox::bad_resource("Listener has been closed"))?
};
let (unix_stream, _socket_addr) = listener_resource.listener.accept().await?;
drop(resource_table_);
let local_addr = unix_stream.local_addr()?;
let remote_addr = unix_stream.peer_addr()?;
let mut resource_table_ = state.resource_table.borrow_mut();
let rid = resource_table_.add(
"unixStream",
Box::new(StreamResourceHolder::new(StreamResource::UnixStream(
unix_stream,
))),
);
Ok(json!({
"rid": rid,
"localAddr": {
"path": local_addr.as_pathname(),
"transport": "unix",
},
"remoteAddr": {
"path": remote_addr.as_pathname(),
"transport": "unix",
}
}))
}
pub(crate) async fn receive_unix_packet(
state: Rc<State>,
args: ReceiveArgs,
bufs: BufVec,
) -> Result<Value, ErrBox> {
assert_eq!(bufs.len(), 1, "Invalid number of arguments");
let rid = args.rid as u32;
let mut buf = bufs.into_iter().next().unwrap();
let mut resource_table_ = state.resource_table.borrow_mut();
let resource = resource_table_
.get_mut::<UnixDatagramResource>(rid)
.ok_or_else(|| ErrBox::bad_resource("Socket has been closed"))?;
let (size, remote_addr) = resource.socket.recv_from(&mut buf).await?;
Ok(json!({
"size": size,
"remoteAddr": {
"path": remote_addr.as_pathname(),
"transport": "unixpacket",
}
}))
}
pub fn listen_unix(
state: &State,
addr: &Path,
) -> Result<(u32, unix::net::SocketAddr), ErrBox> {
if addr.exists() {
remove_file(&addr).unwrap();
}
let listener = UnixListener::bind(&addr)?;
let local_addr = listener.local_addr()?;
let listener_resource = UnixListenerResource { listener };
let rid = state
.resource_table
.borrow_mut()
.add("unixListener", Box::new(listener_resource));
Ok((rid, local_addr))
}
pub fn listen_unix_packet(
state: &State,
addr: &Path,
) -> Result<(u32, unix::net::SocketAddr), ErrBox> {
if addr.exists() {
remove_file(&addr).unwrap();
}
let socket = UnixDatagram::bind(&addr)?;
let local_addr = socket.local_addr()?;
let datagram_resource = UnixDatagramResource {
socket,
local_addr: local_addr.clone(),
};
let rid = state
.resource_table
.borrow_mut()
.add("unixDatagram", Box::new(datagram_resource));
Ok((rid, local_addr))
}
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