| use crate::io_source::IoSource; |
| use crate::{event, sys, Interest, Registry, Token}; |
| |
| use std::fmt; |
| use std::io::{self, IoSlice, IoSliceMut, Read, Write}; |
| use std::net::Shutdown; |
| use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; |
| use std::os::unix::net; |
| use std::path::Path; |
| |
| /// A non-blocking Unix stream socket. |
| pub struct UnixStream { |
| inner: IoSource<net::UnixStream>, |
| } |
| |
| impl UnixStream { |
| /// Connects to the socket named by `path`. |
| pub fn connect<P: AsRef<Path>>(path: P) -> io::Result<UnixStream> { |
| sys::uds::stream::connect(path.as_ref()).map(UnixStream::from_std) |
| } |
| |
| /// Creates a new `UnixStream` from a standard `net::UnixStream`. |
| /// |
| /// This function is intended to be used to wrap a Unix stream from the |
| /// standard library in the Mio equivalent. The conversion assumes nothing |
| /// about the underlying stream; it is left up to the user to set it in |
| /// non-blocking mode. |
| /// |
| /// # Note |
| /// |
| /// The Unix stream here will not have `connect` called on it, so it |
| /// should already be connected via some other means (be it manually, or |
| /// the standard library). |
| pub fn from_std(stream: net::UnixStream) -> UnixStream { |
| UnixStream { |
| inner: IoSource::new(stream), |
| } |
| } |
| |
| /// Creates an unnamed pair of connected sockets. |
| /// |
| /// Returns two `UnixStream`s which are connected to each other. |
| pub fn pair() -> io::Result<(UnixStream, UnixStream)> { |
| sys::uds::stream::pair().map(|(stream1, stream2)| { |
| (UnixStream::from_std(stream1), UnixStream::from_std(stream2)) |
| }) |
| } |
| |
| /// Returns the socket address of the local half of this connection. |
| pub fn local_addr(&self) -> io::Result<sys::SocketAddr> { |
| sys::uds::stream::local_addr(&self.inner) |
| } |
| |
| /// Returns the socket address of the remote half of this connection. |
| pub fn peer_addr(&self) -> io::Result<sys::SocketAddr> { |
| sys::uds::stream::peer_addr(&self.inner) |
| } |
| |
| /// Returns the value of the `SO_ERROR` option. |
| pub fn take_error(&self) -> io::Result<Option<io::Error>> { |
| self.inner.take_error() |
| } |
| |
| /// Shuts down the read, write, or both halves of this connection. |
| /// |
| /// This function will cause all pending and future I/O calls on the |
| /// specified portions to immediately return with an appropriate value |
| /// (see the documentation of `Shutdown`). |
| pub fn shutdown(&self, how: Shutdown) -> io::Result<()> { |
| self.inner.shutdown(how) |
| } |
| } |
| |
| impl Read for UnixStream { |
| fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).read(buf)) |
| } |
| |
| fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).read_vectored(bufs)) |
| } |
| } |
| |
| impl<'a> Read for &'a UnixStream { |
| fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).read(buf)) |
| } |
| |
| fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).read_vectored(bufs)) |
| } |
| } |
| |
| impl Write for UnixStream { |
| fn write(&mut self, buf: &[u8]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).write(buf)) |
| } |
| |
| fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).write_vectored(bufs)) |
| } |
| |
| fn flush(&mut self) -> io::Result<()> { |
| self.inner.do_io(|inner| (&*inner).flush()) |
| } |
| } |
| |
| impl<'a> Write for &'a UnixStream { |
| fn write(&mut self, buf: &[u8]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).write(buf)) |
| } |
| |
| fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result<usize> { |
| self.inner.do_io(|inner| (&*inner).write_vectored(bufs)) |
| } |
| |
| fn flush(&mut self) -> io::Result<()> { |
| self.inner.do_io(|inner| (&*inner).flush()) |
| } |
| } |
| |
| impl event::Source for UnixStream { |
| fn register( |
| &mut self, |
| registry: &Registry, |
| token: Token, |
| interests: Interest, |
| ) -> io::Result<()> { |
| self.inner.register(registry, token, interests) |
| } |
| |
| fn reregister( |
| &mut self, |
| registry: &Registry, |
| token: Token, |
| interests: Interest, |
| ) -> io::Result<()> { |
| self.inner.reregister(registry, token, interests) |
| } |
| |
| fn deregister(&mut self, registry: &Registry) -> io::Result<()> { |
| self.inner.deregister(registry) |
| } |
| } |
| |
| impl fmt::Debug for UnixStream { |
| fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { |
| self.inner.fmt(f) |
| } |
| } |
| |
| impl IntoRawFd for UnixStream { |
| fn into_raw_fd(self) -> RawFd { |
| self.inner.into_inner().into_raw_fd() |
| } |
| } |
| |
| impl AsRawFd for UnixStream { |
| fn as_raw_fd(&self) -> RawFd { |
| self.inner.as_raw_fd() |
| } |
| } |
| |
| impl FromRawFd for UnixStream { |
| /// Converts a `RawFd` to a `UnixStream`. |
| /// |
| /// # Notes |
| /// |
| /// The caller is responsible for ensuring that the socket is in |
| /// non-blocking mode. |
| unsafe fn from_raw_fd(fd: RawFd) -> UnixStream { |
| UnixStream::from_std(FromRawFd::from_raw_fd(fd)) |
| } |
| } |