mirror of
https://github.com/denoland/deno
synced 2024-08-25 02:57:22 +00:00
267 lines
7.4 KiB
Rust
267 lines
7.4 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use crate::io::UnixStreamResource;
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use crate::NetPermissions;
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use deno_core::error::bad_resource;
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use deno_core::error::custom_error;
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use deno_core::error::AnyError;
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use deno_core::op2;
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use deno_core::AsyncRefCell;
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use deno_core::CancelHandle;
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use deno_core::CancelTryFuture;
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use deno_core::JsBuffer;
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use deno_core::OpState;
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use deno_core::RcRef;
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use deno_core::Resource;
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use deno_core::ResourceId;
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use serde::Deserialize;
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use serde::Serialize;
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use std::borrow::Cow;
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use std::cell::RefCell;
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use std::path::Path;
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use std::rc::Rc;
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use tokio::net::UnixDatagram;
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use tokio::net::UnixListener;
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pub use tokio::net::UnixStream;
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/// A utility function to map OsStrings to Strings
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pub fn into_string(s: std::ffi::OsString) -> Result<String, AnyError> {
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s.into_string().map_err(|s| {
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let message = format!("File name or path {s:?} is not valid UTF-8");
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custom_error("InvalidData", message)
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})
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}
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pub(crate) struct UnixListenerResource {
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pub listener: AsyncRefCell<UnixListener>,
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cancel: CancelHandle,
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}
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impl Resource for UnixListenerResource {
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fn name(&self) -> Cow<str> {
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"unixListener".into()
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}
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fn close(self: Rc<Self>) {
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self.cancel.cancel();
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}
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}
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pub struct UnixDatagramResource {
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pub socket: AsyncRefCell<UnixDatagram>,
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pub cancel: CancelHandle,
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}
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impl Resource for UnixDatagramResource {
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fn name(&self) -> Cow<str> {
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"unixDatagram".into()
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}
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fn close(self: Rc<Self>) {
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self.cancel.cancel();
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}
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}
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#[derive(Serialize)]
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pub struct UnixAddr {
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pub path: Option<String>,
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}
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#[derive(Deserialize)]
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pub struct UnixListenArgs {
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pub path: String,
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}
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#[op2(async)]
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#[serde]
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pub async fn op_net_accept_unix(
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state: Rc<RefCell<OpState>>,
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#[smi] rid: ResourceId,
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) -> Result<(ResourceId, Option<String>, Option<String>), AnyError> {
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let resource = state
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.borrow()
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.resource_table
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.get::<UnixListenerResource>(rid)
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.map_err(|_| bad_resource("Listener has been closed"))?;
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let listener = RcRef::map(&resource, |r| &r.listener)
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.try_borrow_mut()
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.ok_or_else(|| custom_error("Busy", "Listener already in use"))?;
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let cancel = RcRef::map(resource, |r| &r.cancel);
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let (unix_stream, _socket_addr) = listener
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.accept()
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.try_or_cancel(cancel)
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.await
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.map_err(crate::ops::accept_err)?;
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let local_addr = unix_stream.local_addr()?;
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let remote_addr = unix_stream.peer_addr()?;
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let local_addr_path = local_addr.as_pathname().map(pathstring).transpose()?;
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let remote_addr_path =
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remote_addr.as_pathname().map(pathstring).transpose()?;
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let resource = UnixStreamResource::new(unix_stream.into_split());
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let mut state = state.borrow_mut();
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let rid = state.resource_table.add(resource);
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Ok((rid, local_addr_path, remote_addr_path))
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}
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#[op2(async)]
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#[serde]
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pub async fn op_net_connect_unix<NP>(
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state: Rc<RefCell<OpState>>,
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#[string] path: String,
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) -> Result<(ResourceId, Option<String>, Option<String>), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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let address_path = Path::new(&path);
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{
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let mut state_ = state.borrow_mut();
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state_
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.borrow_mut::<NP>()
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.check_read(address_path, "Deno.connect()")?;
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state_
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.borrow_mut::<NP>()
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.check_write(address_path, "Deno.connect()")?;
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}
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let unix_stream = UnixStream::connect(Path::new(&path)).await?;
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let local_addr = unix_stream.local_addr()?;
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let remote_addr = unix_stream.peer_addr()?;
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let local_addr_path = local_addr.as_pathname().map(pathstring).transpose()?;
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let remote_addr_path =
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remote_addr.as_pathname().map(pathstring).transpose()?;
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let mut state_ = state.borrow_mut();
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let resource = UnixStreamResource::new(unix_stream.into_split());
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let rid = state_.resource_table.add(resource);
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Ok((rid, local_addr_path, remote_addr_path))
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}
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#[op2(async)]
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#[serde]
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pub async fn op_net_recv_unixpacket(
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state: Rc<RefCell<OpState>>,
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#[smi] rid: ResourceId,
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#[buffer] mut buf: JsBuffer,
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) -> Result<(usize, Option<String>), AnyError> {
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let resource = state
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.borrow()
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.resource_table
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.get::<UnixDatagramResource>(rid)
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.map_err(|_| bad_resource("Socket has been closed"))?;
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let socket = RcRef::map(&resource, |r| &r.socket)
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.try_borrow_mut()
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.ok_or_else(|| custom_error("Busy", "Socket already in use"))?;
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let cancel = RcRef::map(resource, |r| &r.cancel);
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let (nread, remote_addr) =
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socket.recv_from(&mut buf).try_or_cancel(cancel).await?;
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let path = remote_addr.as_pathname().map(pathstring).transpose()?;
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Ok((nread, path))
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}
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#[op2(async)]
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#[number]
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pub async fn op_net_send_unixpacket<NP>(
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state: Rc<RefCell<OpState>>,
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#[smi] rid: ResourceId,
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#[string] path: String,
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#[buffer] zero_copy: JsBuffer,
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) -> Result<usize, AnyError>
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where
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NP: NetPermissions + 'static,
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{
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let address_path = Path::new(&path);
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{
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let mut s = state.borrow_mut();
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s.borrow_mut::<NP>()
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.check_write(address_path, "Deno.DatagramConn.send()")?;
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}
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let resource = state
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.borrow()
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.resource_table
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.get::<UnixDatagramResource>(rid)
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.map_err(|_| custom_error("NotConnected", "Socket has been closed"))?;
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let socket = RcRef::map(&resource, |r| &r.socket)
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.try_borrow_mut()
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.ok_or_else(|| custom_error("Busy", "Socket already in use"))?;
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let nwritten = socket.send_to(&zero_copy, address_path).await?;
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Ok(nwritten)
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}
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#[op2]
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#[serde]
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pub fn op_net_listen_unix<NP>(
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state: &mut OpState,
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#[string] path: String,
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#[string] api_name: String,
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) -> Result<(ResourceId, Option<String>), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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let address_path = Path::new(&path);
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let permissions = state.borrow_mut::<NP>();
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let api_call_expr = format!("{}()", api_name);
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permissions.check_read(address_path, &api_call_expr)?;
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permissions.check_write(address_path, &api_call_expr)?;
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let listener = UnixListener::bind(address_path)?;
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let local_addr = listener.local_addr()?;
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let pathname = local_addr.as_pathname().map(pathstring).transpose()?;
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let listener_resource = UnixListenerResource {
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listener: AsyncRefCell::new(listener),
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cancel: Default::default(),
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};
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let rid = state.resource_table.add(listener_resource);
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Ok((rid, pathname))
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}
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pub fn net_listen_unixpacket<NP>(
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state: &mut OpState,
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path: String,
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) -> Result<(ResourceId, Option<String>), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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let address_path = Path::new(&path);
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let permissions = state.borrow_mut::<NP>();
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permissions.check_read(address_path, "Deno.listenDatagram()")?;
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permissions.check_write(address_path, "Deno.listenDatagram()")?;
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let socket = UnixDatagram::bind(address_path)?;
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let local_addr = socket.local_addr()?;
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let pathname = local_addr.as_pathname().map(pathstring).transpose()?;
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let datagram_resource = UnixDatagramResource {
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socket: AsyncRefCell::new(socket),
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cancel: Default::default(),
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};
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let rid = state.resource_table.add(datagram_resource);
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Ok((rid, pathname))
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}
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#[op2]
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#[serde]
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pub fn op_net_listen_unixpacket<NP>(
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state: &mut OpState,
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#[string] path: String,
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) -> Result<(ResourceId, Option<String>), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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super::check_unstable(state, "Deno.listenDatagram");
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net_listen_unixpacket::<NP>(state, path)
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}
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#[op2]
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#[serde]
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pub fn op_node_unstable_net_listen_unixpacket<NP>(
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state: &mut OpState,
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#[string] path: String,
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) -> Result<(ResourceId, Option<String>), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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net_listen_unixpacket::<NP>(state, path)
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}
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pub fn pathstring(pathname: &Path) -> Result<String, AnyError> {
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into_string(pathname.into())
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}
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