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use super::dispatch_json::{Deserialize, JsonOp};
use super::io::{StreamResource, StreamResourceHolder};
use crate::op_error::OpError;
use deno_core::CoreIsolate;
use deno_core::ResourceTable;
use deno_core::ZeroCopyBuf;
use futures::future::FutureExt;
use std::fs::remove_file;
use std::os::unix;
pub use std::path::Path;
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 address: String,
}
pub fn accept_unix(
isolate: &mut CoreIsolate,
rid: u32,
_zero_copy: Option<ZeroCopyBuf>,
) -> Result<JsonOp, OpError> {
let resource_table = isolate.resource_table.clone();
{
let _ = resource_table
.borrow()
.get::<UnixListenerResource>(rid)
.ok_or_else(OpError::bad_resource_id)?;
}
let op = async move {
let mut resource_table_ = resource_table.borrow_mut();
let listener_resource = {
resource_table_
.get_mut::<UnixListenerResource>(rid)
.ok_or_else(|| {
OpError::bad_resource("Listener has been closed".to_string())
})?
};
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_ = resource_table.borrow_mut();
let rid = resource_table_.add(
"unixStream",
Box::new(StreamResourceHolder::new(StreamResource::UnixStream(
unix_stream,
))),
);
Ok(json!({
"rid": rid,
"localAddr": {
"address": local_addr.as_pathname(),
"transport": "unix",
},
"remoteAddr": {
"address": remote_addr.as_pathname(),
"transport": "unix",
}
}))
};
Ok(JsonOp::Async(op.boxed_local()))
}
pub fn receive_unix_packet(
isolate: &mut CoreIsolate,
rid: u32,
zero_copy: Option<ZeroCopyBuf>,
) -> Result<JsonOp, OpError> {
let mut buf = zero_copy.unwrap();
let resource_table = isolate.resource_table.clone();
let op = async move {
let mut resource_table_ = resource_table.borrow_mut();
let resource = resource_table_
.get_mut::<UnixDatagramResource>(rid)
.ok_or_else(|| {
OpError::bad_resource("Socket has been closed".to_string())
})?;
let (size, remote_addr) = resource.socket.recv_from(&mut buf).await?;
Ok(json!({
"size": size,
"remoteAddr": {
"address": remote_addr.as_pathname(),
"transport": "unixpacket",
}
}))
};
Ok(JsonOp::Async(op.boxed_local()))
}
pub fn listen_unix(
resource_table: &mut ResourceTable,
addr: &Path,
) -> Result<(u32, unix::net::SocketAddr), OpError> {
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 = resource_table.add("unixListener", Box::new(listener_resource));
Ok((rid, local_addr))
}
pub fn listen_unix_packet(
resource_table: &mut ResourceTable,
addr: &Path,
) -> Result<(u32, unix::net::SocketAddr), OpError> {
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 = resource_table.add("unixDatagram", Box::new(datagram_resource));
Ok((rid, local_addr))
}
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