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use io_lifetimes::{AsFd, BorrowedFd, FromFd, IntoFd, OwnedFd};
use std::fmt::{self, Arguments, Debug};
use std::io::{self, IoSlice, IoSliceMut, Read, Write};
use std::os::unix::net::UnixStream;
use unsafe_io::os::rsix::{AsRawFd, AsRawReadWriteFd, AsReadWriteFd, FromRawFd, IntoRawFd, RawFd};
#[cfg(not(unix_socket_peek))]
use {io_lifetimes::AsSocketlike, std::net::TcpStream};
#[repr(transparent)]
pub struct SocketpairStream(UnixStream);
impl SocketpairStream {
#[inline]
pub fn try_clone(&self) -> io::Result<Self> {
self.0.try_clone().map(Self)
}
#[inline]
pub fn peek(&mut self, buf: &mut [u8]) -> io::Result<usize> {
#[cfg(unix_socket_peek)]
{
self.0.peek(buf)
}
#[cfg(not(unix_socket_peek))]
{
self.0.as_socketlike_view::<TcpStream>().peek(buf)
}
}
#[inline]
pub fn num_ready_bytes(&self) -> io::Result<u64> {
Ok(rsix::io::ioctl_fionread(self)?)
}
}
#[inline]
pub fn socketpair_stream() -> io::Result<(SocketpairStream, SocketpairStream)> {
UnixStream::pair().map(|(a, b)| (SocketpairStream(a), SocketpairStream(b)))
}
impl Read for SocketpairStream {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.0.read(buf)
}
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoSliceMut]) -> io::Result<usize> {
self.0.read_vectored(bufs)
}
#[cfg(can_vector)]
#[inline]
fn is_read_vectored(&self) -> bool {
self.0.is_read_vectored()
}
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
self.0.read_to_end(buf)
}
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
self.0.read_to_string(buf)
}
#[inline]
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
self.0.read_exact(buf)
}
}
impl Write for SocketpairStream {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.0.write(buf)
}
#[inline]
fn flush(&mut self) -> io::Result<()> {
self.0.flush()
}
#[inline]
fn write_vectored(&mut self, bufs: &[IoSlice]) -> io::Result<usize> {
self.0.write_vectored(bufs)
}
#[cfg(can_vector)]
#[inline]
fn is_write_vectored(&self) -> bool {
self.0.is_write_vectored()
}
#[inline]
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.0.write_all(buf)
}
#[cfg(write_all_vectored)]
#[inline]
fn write_all_vectored(&mut self, bufs: &mut [IoSlice]) -> io::Result<()> {
self.0.write_all_vectored(bufs)
}
#[inline]
fn write_fmt(&mut self, fmt: Arguments) -> io::Result<()> {
self.0.write_fmt(fmt)
}
}
impl AsRawFd for SocketpairStream {
#[inline]
fn as_raw_fd(&self) -> RawFd {
self.0.as_raw_fd()
}
}
impl AsFd for SocketpairStream {
#[inline]
fn as_fd(&self) -> BorrowedFd<'_> {
self.0.as_fd()
}
}
impl IntoRawFd for SocketpairStream {
#[inline]
fn into_raw_fd(self) -> RawFd {
self.0.into_raw_fd()
}
}
impl IntoFd for SocketpairStream {
#[inline]
fn into_fd(self) -> OwnedFd {
self.0.into_fd()
}
}
impl FromRawFd for SocketpairStream {
#[inline]
unsafe fn from_raw_fd(raw_fd: RawFd) -> Self {
Self(UnixStream::from_raw_fd(raw_fd))
}
}
impl FromFd for SocketpairStream {
#[inline]
fn from_fd(fd: OwnedFd) -> Self {
Self(UnixStream::from_fd(fd))
}
}
impl AsRawReadWriteFd for SocketpairStream {
#[inline]
fn as_raw_read_fd(&self) -> RawFd {
self.as_raw_fd()
}
#[inline]
fn as_raw_write_fd(&self) -> RawFd {
self.as_raw_fd()
}
}
impl AsReadWriteFd for SocketpairStream {
#[inline]
fn as_read_fd(&self) -> BorrowedFd<'_> {
self.as_fd()
}
#[inline]
fn as_write_fd(&self) -> BorrowedFd<'_> {
self.as_fd()
}
}
impl Debug for SocketpairStream {
#[allow(clippy::missing_inline_in_public_items)]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("SocketpairStream")
.field("raw_fd", &self.0.as_raw_fd())
.finish()
}
}