From 8995974e7031ccb14facd2aa8986619db2405912 Mon Sep 17 00:00:00 2001 From: BaoshanPang Date: Tue, 29 Oct 2019 14:08:47 -0700 Subject: [PATCH] vxWorks: remove all code related to UNIX socket as it is not supported by vxWorks --- src/libstd/sys/vxworks/ext/io.rs | 61 +- src/libstd/sys/vxworks/ext/mod.rs | 2 - src/libstd/sys/vxworks/ext/net.rs | 1825 ----------------------------- 3 files changed, 60 insertions(+), 1828 deletions(-) delete mode 100644 src/libstd/sys/vxworks/ext/net.rs diff --git a/src/libstd/sys/vxworks/ext/io.rs b/src/libstd/sys/vxworks/ext/io.rs index 6bcc59495e3..df6255a3e9e 100644 --- a/src/libstd/sys/vxworks/ext/io.rs +++ b/src/libstd/sys/vxworks/ext/io.rs @@ -6,7 +6,8 @@ use crate::os::raw; use crate::sys; use crate::io; -use crate::sys_common::{AsInner, FromInner, IntoInner}; +use crate::sys_common::{self, AsInner, FromInner, IntoInner}; +use crate::net; /// Raw file descriptors. #[stable(feature = "rust1", since = "1.0.0")] @@ -110,3 +111,61 @@ fn as_raw_fd(&self) -> RawFd { libc::STDOUT_FILENO } impl<'a> AsRawFd for io::StderrLock<'a> { fn as_raw_fd(&self) -> RawFd { libc::STDERR_FILENO } } + +#[stable(feature = "rust1", since = "1.0.0")] +impl AsRawFd for net::TcpStream { + fn as_raw_fd(&self) -> RawFd { *self.as_inner().socket().as_inner() } +} + +#[stable(feature = "rust1", since = "1.0.0")] +impl AsRawFd for net::TcpListener { + fn as_raw_fd(&self) -> RawFd { *self.as_inner().socket().as_inner() } +} + +#[stable(feature = "rust1", since = "1.0.0")] +impl AsRawFd for net::UdpSocket { + fn as_raw_fd(&self) -> RawFd { *self.as_inner().socket().as_inner() } +} + +#[stable(feature = "from_raw_os", since = "1.1.0")] +impl FromRawFd for net::TcpStream { + unsafe fn from_raw_fd(fd: RawFd) -> net::TcpStream { + let socket = sys::net::Socket::from_inner(fd); + net::TcpStream::from_inner(sys_common::net::TcpStream::from_inner(socket)) + } +} + +#[stable(feature = "from_raw_os", since = "1.1.0")] +impl FromRawFd for net::TcpListener { + unsafe fn from_raw_fd(fd: RawFd) -> net::TcpListener { + let socket = sys::net::Socket::from_inner(fd); + net::TcpListener::from_inner(sys_common::net::TcpListener::from_inner(socket)) + } +} + +#[stable(feature = "from_raw_os", since = "1.1.0")] +impl FromRawFd for net::UdpSocket { + unsafe fn from_raw_fd(fd: RawFd) -> net::UdpSocket { + let socket = sys::net::Socket::from_inner(fd); + net::UdpSocket::from_inner(sys_common::net::UdpSocket::from_inner(socket)) + } +} + +#[stable(feature = "into_raw_os", since = "1.4.0")] +impl IntoRawFd for net::TcpStream { + fn into_raw_fd(self) -> RawFd { + self.into_inner().into_socket().into_inner() + } +} +#[stable(feature = "into_raw_os", since = "1.4.0")] +impl IntoRawFd for net::TcpListener { + fn into_raw_fd(self) -> RawFd { + self.into_inner().into_socket().into_inner() + } +} +#[stable(feature = "into_raw_os", since = "1.4.0")] +impl IntoRawFd for net::UdpSocket { + fn into_raw_fd(self) -> RawFd { + self.into_inner().into_socket().into_inner() + } +} diff --git a/src/libstd/sys/vxworks/ext/mod.rs b/src/libstd/sys/vxworks/ext/mod.rs index c2ebc38c300..d0f467b303f 100644 --- a/src/libstd/sys/vxworks/ext/mod.rs +++ b/src/libstd/sys/vxworks/ext/mod.rs @@ -1,4 +1,3 @@ -// Uhhh #![stable(feature = "rust1", since = "1.0.0")] #![allow(missing_docs)] @@ -7,7 +6,6 @@ pub mod fs; pub mod raw; pub mod process; -pub mod net; #[stable(feature = "rust1", since = "1.0.0")] pub mod prelude { diff --git a/src/libstd/sys/vxworks/ext/net.rs b/src/libstd/sys/vxworks/ext/net.rs deleted file mode 100644 index 3f0a7e9e843..00000000000 --- a/src/libstd/sys/vxworks/ext/net.rs +++ /dev/null @@ -1,1825 +0,0 @@ -#![stable(feature = "unix_socket", since = "1.10.0")] - -//! Unix-specific networking functionality - -#[cfg(unix)] -use libc; - -use crate::ascii; -use crate::ffi::OsStr; -use crate::fmt; -use crate::io::{self, Initializer, IoSlice, IoSliceMut}; -use crate::mem; -use crate::net::{self, Shutdown}; -use crate::os::unix::ffi::OsStrExt; -use crate::os::unix::io::{RawFd, AsRawFd, FromRawFd, IntoRawFd}; -use crate::path::Path; -use crate::time::Duration; -use crate::sys::{self, cvt}; -use crate::sys::net::Socket; -use crate::sys_common::{self, AsInner, FromInner, IntoInner}; - -const MSG_NOSIGNAL: libc::c_int = 0x0; - -fn sun_path_offset(addr: &libc::sockaddr_un) -> usize { - // Work with an actual instance of the type since using a null pointer is UB - let base = addr as *const _ as usize; - let path = &addr.sun_path as *const _ as usize; - path - base -} - -unsafe fn sockaddr_un(path: &Path) -> io::Result<(libc::sockaddr_un, libc::socklen_t)> { - let mut addr: libc::sockaddr_un = mem::zeroed(); - addr.sun_family = libc::AF_UNIX as libc::sa_family_t; - - let bytes = path.as_os_str().as_bytes(); - - if bytes.contains(&0) { - return Err(io::Error::new(io::ErrorKind::InvalidInput, - "paths may not contain interior null bytes")); - } - - if bytes.len() >= addr.sun_path.len() { - return Err(io::Error::new(io::ErrorKind::InvalidInput, - "path must be shorter than SUN_LEN")); - } - for (dst, src) in addr.sun_path.iter_mut().zip(bytes.iter()) { - *dst = *src as libc::c_char; - } - // null byte for pathname addresses is already there because we zeroed the - // struct - - let mut len = sun_path_offset(&addr) + bytes.len(); - match bytes.get(0) { - Some(&0) | None => {} - Some(_) => len += 1, - } - Ok((addr, len as libc::socklen_t)) -} - -enum AddressKind<'a> { - Unnamed, - Pathname(&'a Path), - Abstract(&'a [u8]), -} - -/// An address associated with a Unix socket. -/// -/// # Examples -/// -/// ``` -/// use std::os::unix::net::UnixListener; -/// -/// let socket = match UnixListener::bind("/tmp/sock") { -/// Ok(sock) => sock, -/// Err(e) => { -/// println!("Couldn't bind: {:?}", e); -/// return -/// } -/// }; -/// let addr = socket.local_addr().expect("Couldn't get local address"); -/// ``` -#[derive(Clone)] -#[stable(feature = "unix_socket", since = "1.10.0")] -pub struct SocketAddr { - addr: libc::sockaddr_un, - len: libc::socklen_t, -} - -impl SocketAddr { - fn new(f: F) -> io::Result - where F: FnOnce(*mut libc::sockaddr, *mut libc::socklen_t) -> libc::c_int - { - unsafe { - let mut addr: libc::sockaddr_un = mem::zeroed(); - let mut len = mem::size_of::() as libc::socklen_t; - cvt(f(&mut addr as *mut _ as *mut _, &mut len))?; - SocketAddr::from_parts(addr, len) - } - } - - fn from_parts(addr: libc::sockaddr_un, mut len: libc::socklen_t) -> io::Result { - if len == 0 { - // When there is a datagram from unnamed unix socket - // linux returns zero bytes of address - len = sun_path_offset(&addr) as libc::socklen_t; // i.e., zero-length address - } else if addr.sun_family != libc::AF_UNIX as libc::sa_family_t { - return Err(io::Error::new(io::ErrorKind::InvalidInput, - "file descriptor did not correspond to a Unix socket")); - } - - Ok(SocketAddr { - addr, - len, - }) - } - - /// Returns `true` if the address is unnamed. - /// - /// # Examples - /// - /// A named address: - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// - /// let socket = UnixListener::bind("/tmp/sock").unwrap(); - /// let addr = socket.local_addr().expect("Couldn't get local address"); - /// assert_eq!(addr.is_unnamed(), false); - /// ``` - /// - /// An unnamed address: - /// - /// ``` - /// use std::os::unix::net::UnixDatagram; - /// - /// let socket = UnixDatagram::unbound().unwrap(); - /// let addr = socket.local_addr().expect("Couldn't get local address"); - /// assert_eq!(addr.is_unnamed(), true); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn is_unnamed(&self) -> bool { - if let AddressKind::Unnamed = self.address() { - true - } else { - false - } - } - - /// Returns the contents of this address if it is a `pathname` address. - /// - /// # Examples - /// - /// With a pathname: - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// use std::path::Path; - /// - /// let socket = UnixListener::bind("/tmp/sock").unwrap(); - /// let addr = socket.local_addr().expect("Couldn't get local address"); - /// assert_eq!(addr.as_pathname(), Some(Path::new("/tmp/sock"))); - /// ``` - /// - /// Without a pathname: - /// - /// ``` - /// use std::os::unix::net::UnixDatagram; - /// - /// let socket = UnixDatagram::unbound().unwrap(); - /// let addr = socket.local_addr().expect("Couldn't get local address"); - /// assert_eq!(addr.as_pathname(), None); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn as_pathname(&self) -> Option<&Path> { - if let AddressKind::Pathname(path) = self.address() { - Some(path) - } else { - None - } - } - - fn address<'a>(&'a self) -> AddressKind<'a> { - let len = self.len as usize - sun_path_offset(&self.addr); - let path = unsafe { mem::transmute::<&[libc::c_char], &[u8]>(&self.addr.sun_path) }; - - if self.addr.sun_path[0] == 0 { - AddressKind::Abstract(&path[1..len]) - } else { - AddressKind::Pathname(OsStr::from_bytes(&path[..len - 1]).as_ref()) - } - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl fmt::Debug for SocketAddr { - fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { - match self.address() { - AddressKind::Unnamed => write!(fmt, "(unnamed)"), - AddressKind::Abstract(name) => write!(fmt, "{} (abstract)", AsciiEscaped(name)), - AddressKind::Pathname(path) => write!(fmt, "{:?} (pathname)", path), - } - } -} - -struct AsciiEscaped<'a>(&'a [u8]); - -impl<'a> fmt::Display for AsciiEscaped<'a> { - fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(fmt, "\"")?; - for byte in self.0.iter().cloned().flat_map(ascii::escape_default) { - write!(fmt, "{}", byte as char)?; - } - write!(fmt, "\"") - } -} - -/// A Unix stream socket. -/// -/// # Examples -/// -/// ```no_run -/// use std::os::unix::net::UnixStream; -/// use std::io::prelude::*; -/// -/// let mut stream = UnixStream::connect("/path/to/my/socket").unwrap(); -/// stream.write_all(b"hello world").unwrap(); -/// let mut response = String::new(); -/// stream.read_to_string(&mut response).unwrap(); -/// println!("{}", response); -/// ``` -#[stable(feature = "unix_socket", since = "1.10.0")] -pub struct UnixStream(Socket); - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl fmt::Debug for UnixStream { - fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut builder = fmt.debug_struct("UnixStream"); - builder.field("fd", self.0.as_inner()); - if let Ok(addr) = self.local_addr() { - builder.field("local", &addr); - } - if let Ok(addr) = self.peer_addr() { - builder.field("peer", &addr); - } - builder.finish() - } -} - -impl UnixStream { - /// Connects to the socket named by `path`. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// - /// let socket = match UnixStream::connect("/tmp/sock") { - /// Ok(sock) => sock, - /// Err(e) => { - /// println!("Couldn't connect: {:?}", e); - /// return - /// } - /// }; - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn connect>(path: P) -> io::Result { - fn inner(path: &Path) -> io::Result { - unsafe { - let inner = Socket::new_raw(libc::AF_UNIX, libc::SOCK_STREAM)?; - let (addr, len) = sockaddr_un(path)?; - - cvt(libc::connect(*inner.as_inner(), &addr as *const _ as *const _, len))?; - Ok(UnixStream(inner)) - } - } - inner(path.as_ref()) - } - - /// Creates an unnamed pair of connected sockets. - /// - /// Returns two `UnixStream`s which are connected to each other. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// - /// let (sock1, sock2) = match UnixStream::pair() { - /// Ok((sock1, sock2)) => (sock1, sock2), - /// Err(e) => { - /// println!("Couldn't create a pair of sockets: {:?}", e); - /// return - /// } - /// }; - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn pair() -> io::Result<(UnixStream, UnixStream)> { - let (i1, i2) = Socket::new_pair(libc::AF_UNIX, libc::SOCK_STREAM)?; - Ok((UnixStream(i1), UnixStream(i2))) - } - - /// Creates a new independently owned handle to the underlying socket. - /// - /// The returned `UnixStream` is a reference to the same stream that this - /// object references. Both handles will read and write the same stream of - /// data, and options set on one stream will be propagated to the other - /// stream. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// let sock_copy = socket.try_clone().expect("Couldn't clone socket"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn try_clone(&self) -> io::Result { - self.0.duplicate().map(UnixStream) - } - - /// Returns the socket address of the local half of this connection. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// let addr = socket.local_addr().expect("Couldn't get local address"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn local_addr(&self) -> io::Result { - SocketAddr::new(|addr, len| unsafe { libc::getsockname(*self.0.as_inner(), addr, len) }) - } - - /// Returns the socket address of the remote half of this connection. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// let addr = socket.peer_addr().expect("Couldn't get peer address"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn peer_addr(&self) -> io::Result { - SocketAddr::new(|addr, len| unsafe { libc::getpeername(*self.0.as_inner(), addr, len) }) - } - - /// Sets the read timeout for the socket. - /// - /// If the provided value is [`None`], then [`read`] calls will block - /// indefinitely. An [`Err`] is returned if the zero [`Duration`] is passed to this - /// method. - /// - /// [`None`]: ../../../../std/option/enum.Option.html#variant.None - /// [`Err`]: ../../../../std/result/enum.Result.html#variant.Err - /// [`read`]: ../../../../std/io/trait.Read.html#tymethod.read - /// [`Duration`]: ../../../../std/time/struct.Duration.html - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// use std::time::Duration; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// socket.set_read_timeout(Some(Duration::new(1, 0))).expect("Couldn't set read timeout"); - /// ``` - /// - /// An [`Err`] is returned if the zero [`Duration`] is passed to this - /// method: - /// - /// ```no_run - /// use std::io; - /// use std::os::unix::net::UnixStream; - /// use std::time::Duration; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// let result = socket.set_read_timeout(Some(Duration::new(0, 0))); - /// let err = result.unwrap_err(); - /// assert_eq!(err.kind(), io::ErrorKind::InvalidInput) - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn set_read_timeout(&self, timeout: Option) -> io::Result<()> { - self.0.set_timeout(timeout, libc::SO_RCVTIMEO) - } - - /// Sets the write timeout for the socket. - /// - /// If the provided value is [`None`], then [`write`] calls will block - /// indefinitely. An [`Err`] is returned if the zero [`Duration`] is - /// passed to this method. - /// - /// [`None`]: ../../../../std/option/enum.Option.html#variant.None - /// [`Err`]: ../../../../std/result/enum.Result.html#variant.Err - /// [`write`]: ../../../../std/io/trait.Write.html#tymethod.write - /// [`Duration`]: ../../../../std/time/struct.Duration.html - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// use std::time::Duration; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// socket.set_write_timeout(Some(Duration::new(1, 0))).expect("Couldn't set write timeout"); - /// ``` - /// - /// An [`Err`] is returned if the zero [`Duration`] is passed to this - /// method: - /// - /// ```no_run - /// use std::io; - /// use std::net::UdpSocket; - /// use std::time::Duration; - /// - /// let socket = UdpSocket::bind("127.0.0.1:34254").unwrap(); - /// let result = socket.set_write_timeout(Some(Duration::new(0, 0))); - /// let err = result.unwrap_err(); - /// assert_eq!(err.kind(), io::ErrorKind::InvalidInput) - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn set_write_timeout(&self, timeout: Option) -> io::Result<()> { - self.0.set_timeout(timeout, libc::SO_SNDTIMEO) - } - - /// Returns the read timeout of this socket. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// use std::time::Duration; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// socket.set_read_timeout(Some(Duration::new(1, 0))).expect("Couldn't set read timeout"); - /// assert_eq!(socket.read_timeout().unwrap(), Some(Duration::new(1, 0))); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn read_timeout(&self) -> io::Result> { - self.0.timeout(libc::SO_RCVTIMEO) - } - - /// Returns the write timeout of this socket. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// use std::time::Duration; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// socket.set_write_timeout(Some(Duration::new(1, 0))).expect("Couldn't set write timeout"); - /// assert_eq!(socket.write_timeout().unwrap(), Some(Duration::new(1, 0))); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn write_timeout(&self) -> io::Result> { - self.0.timeout(libc::SO_SNDTIMEO) - } - - /// Moves the socket into or out of nonblocking mode. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// socket.set_nonblocking(true).expect("Couldn't set nonblocking"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> { - self.0.set_nonblocking(nonblocking) - } - - /// Returns the value of the `SO_ERROR` option. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// if let Ok(Some(err)) = socket.take_error() { - /// println!("Got error: {:?}", err); - /// } - /// ``` - /// - /// # Platform specific - /// On Redox this always returns `None`. - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn take_error(&self) -> io::Result> { - self.0.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`]). - /// - /// [`Shutdown`]: ../../../../std/net/enum.Shutdown.html - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixStream; - /// use std::net::Shutdown; - /// - /// let socket = UnixStream::connect("/tmp/sock").unwrap(); - /// socket.shutdown(Shutdown::Both).expect("shutdown function failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn shutdown(&self, how: Shutdown) -> io::Result<()> { - self.0.shutdown(how) - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl io::Read for UnixStream { - fn read(&mut self, buf: &mut [u8]) -> io::Result { - io::Read::read(&mut &*self, buf) - } - - fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { - io::Read::read_vectored(&mut &*self, bufs) - } - - #[inline] - unsafe fn initializer(&self) -> Initializer { - Initializer::nop() - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl<'a> io::Read for &'a UnixStream { - fn read(&mut self, buf: &mut [u8]) -> io::Result { - self.0.read(buf) - } - - fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { - self.0.read_vectored(bufs) - } - - #[inline] - unsafe fn initializer(&self) -> Initializer { - Initializer::nop() - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl io::Write for UnixStream { - fn write(&mut self, buf: &[u8]) -> io::Result { - io::Write::write(&mut &*self, buf) - } - - fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result { - io::Write::write_vectored(&mut &*self, bufs) - } - - fn flush(&mut self) -> io::Result<()> { - io::Write::flush(&mut &*self) - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl<'a> io::Write for &'a UnixStream { - fn write(&mut self, buf: &[u8]) -> io::Result { - self.0.write(buf) - } - - fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result { - self.0.write_vectored(bufs) - } - - fn flush(&mut self) -> io::Result<()> { - Ok(()) - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl AsRawFd for UnixStream { - fn as_raw_fd(&self) -> RawFd { - *self.0.as_inner() - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl FromRawFd for UnixStream { - unsafe fn from_raw_fd(fd: RawFd) -> UnixStream { - UnixStream(Socket::from_inner(fd)) - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl IntoRawFd for UnixStream { - fn into_raw_fd(self) -> RawFd { - self.0.into_inner() - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl AsRawFd for net::TcpStream { - fn as_raw_fd(&self) -> RawFd { *self.as_inner().socket().as_inner() } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl AsRawFd for net::TcpListener { - fn as_raw_fd(&self) -> RawFd { *self.as_inner().socket().as_inner() } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl AsRawFd for net::UdpSocket { - fn as_raw_fd(&self) -> RawFd { *self.as_inner().socket().as_inner() } -} - -#[stable(feature = "from_raw_os", since = "1.1.0")] -impl FromRawFd for net::TcpStream { - unsafe fn from_raw_fd(fd: RawFd) -> net::TcpStream { - let socket = sys::net::Socket::from_inner(fd); - net::TcpStream::from_inner(sys_common::net::TcpStream::from_inner(socket)) - } -} - -#[stable(feature = "from_raw_os", since = "1.1.0")] -impl FromRawFd for net::TcpListener { - unsafe fn from_raw_fd(fd: RawFd) -> net::TcpListener { - let socket = sys::net::Socket::from_inner(fd); - net::TcpListener::from_inner(sys_common::net::TcpListener::from_inner(socket)) - } -} - -#[stable(feature = "from_raw_os", since = "1.1.0")] -impl FromRawFd for net::UdpSocket { - unsafe fn from_raw_fd(fd: RawFd) -> net::UdpSocket { - let socket = sys::net::Socket::from_inner(fd); - net::UdpSocket::from_inner(sys_common::net::UdpSocket::from_inner(socket)) - } -} - -#[stable(feature = "into_raw_os", since = "1.4.0")] -impl IntoRawFd for net::TcpStream { - fn into_raw_fd(self) -> RawFd { - self.into_inner().into_socket().into_inner() - } -} -#[stable(feature = "into_raw_os", since = "1.4.0")] -impl IntoRawFd for net::TcpListener { - fn into_raw_fd(self) -> RawFd { - self.into_inner().into_socket().into_inner() - } -} -#[stable(feature = "into_raw_os", since = "1.4.0")] -impl IntoRawFd for net::UdpSocket { - fn into_raw_fd(self) -> RawFd { - self.into_inner().into_socket().into_inner() - } -} - -/// A structure representing a Unix domain socket server. -/// -/// # Examples -/// -/// ```no_run -/// use std::thread; -/// use std::os::unix::net::{UnixStream, UnixListener}; -/// -/// fn handle_client(stream: UnixStream) { -/// // ... -/// } -/// -/// let listener = UnixListener::bind("/path/to/the/socket").unwrap(); -/// -/// // accept connections and process them, spawning a new thread for each one -/// for stream in listener.incoming() { -/// match stream { -/// Ok(stream) => { -/// /* connection succeeded */ -/// thread::spawn(|| handle_client(stream)); -/// } -/// Err(err) => { -/// /* connection failed */ -/// break; -/// } -/// } -/// } -/// ``` -#[stable(feature = "unix_socket", since = "1.10.0")] -pub struct UnixListener(Socket); - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl fmt::Debug for UnixListener { - fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut builder = fmt.debug_struct("UnixListener"); - builder.field("fd", self.0.as_inner()); - if let Ok(addr) = self.local_addr() { - builder.field("local", &addr); - } - builder.finish() - } -} - -impl UnixListener { - /// Creates a new `UnixListener` bound to the specified socket. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// - /// let listener = match UnixListener::bind("/path/to/the/socket") { - /// Ok(sock) => sock, - /// Err(e) => { - /// println!("Couldn't connect: {:?}", e); - /// return - /// } - /// }; - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn bind>(path: P) -> io::Result { - fn inner(path: &Path) -> io::Result { - unsafe { - let inner = Socket::new_raw(libc::AF_UNIX, libc::SOCK_STREAM)?; - let (addr, len) = sockaddr_un(path)?; - - cvt(libc::bind(*inner.as_inner(), &addr as *const _ as *const _, len as _))?; - cvt(libc::listen(*inner.as_inner(), 128))?; - - Ok(UnixListener(inner)) - } - } - inner(path.as_ref()) - } - - /// Accepts a new incoming connection to this listener. - /// - /// This function will block the calling thread until a new Unix connection - /// is established. When established, the corresponding [`UnixStream`] and - /// the remote peer's address will be returned. - /// - /// [`UnixStream`]: ../../../../std/os/unix/net/struct.UnixStream.html - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// - /// let listener = UnixListener::bind("/path/to/the/socket").unwrap(); - /// - /// match listener.accept() { - /// Ok((socket, addr)) => println!("Got a client: {:?}", addr), - /// Err(e) => println!("accept function failed: {:?}", e), - /// } - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn accept(&self) -> io::Result<(UnixStream, SocketAddr)> { - let mut storage: libc::sockaddr_un = unsafe { mem::zeroed() }; - let mut len = mem::size_of_val(&storage) as libc::socklen_t; - let sock = self.0.accept(&mut storage as *mut _ as *mut _, &mut len)?; - let addr = SocketAddr::from_parts(storage, len)?; - Ok((UnixStream(sock), addr)) - } - - /// Creates a new independently owned handle to the underlying socket. - /// - /// The returned `UnixListener` is a reference to the same socket that this - /// object references. Both handles can be used to accept incoming - /// connections and options set on one listener will affect the other. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// - /// let listener = UnixListener::bind("/path/to/the/socket").unwrap(); - /// - /// let listener_copy = listener.try_clone().expect("try_clone failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn try_clone(&self) -> io::Result { - self.0.duplicate().map(UnixListener) - } - - /// Returns the local socket address of this listener. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// - /// let listener = UnixListener::bind("/path/to/the/socket").unwrap(); - /// - /// let addr = listener.local_addr().expect("Couldn't get local address"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn local_addr(&self) -> io::Result { - SocketAddr::new(|addr, len| unsafe { libc::getsockname(*self.0.as_inner(), addr, len) }) - } - - /// Moves the socket into or out of nonblocking mode. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// - /// let listener = UnixListener::bind("/path/to/the/socket").unwrap(); - /// - /// listener.set_nonblocking(true).expect("Couldn't set non blocking"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> { - self.0.set_nonblocking(nonblocking) - } - - /// Returns the value of the `SO_ERROR` option. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixListener; - /// - /// let listener = UnixListener::bind("/tmp/sock").unwrap(); - /// - /// if let Ok(Some(err)) = listener.take_error() { - /// println!("Got error: {:?}", err); - /// } - /// ``` - /// - /// # Platform specific - /// On Redox this always returns `None`. - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn take_error(&self) -> io::Result> { - self.0.take_error() - } - - /// Returns an iterator over incoming connections. - /// - /// The iterator will never return [`None`] and will also not yield the - /// peer's [`SocketAddr`] structure. - /// - /// [`None`]: ../../../../std/option/enum.Option.html#variant.None - /// [`SocketAddr`]: struct.SocketAddr.html - /// - /// # Examples - /// - /// ```no_run - /// use std::thread; - /// use std::os::unix::net::{UnixStream, UnixListener}; - /// - /// fn handle_client(stream: UnixStream) { - /// // ... - /// } - /// - /// let listener = UnixListener::bind("/path/to/the/socket").unwrap(); - /// - /// for stream in listener.incoming() { - /// match stream { - /// Ok(stream) => { - /// thread::spawn(|| handle_client(stream)); - /// } - /// Err(err) => { - /// break; - /// } - /// } - /// } - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn incoming<'a>(&'a self) -> Incoming<'a> { - Incoming { listener: self } - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl AsRawFd for UnixListener { - fn as_raw_fd(&self) -> RawFd { - *self.0.as_inner() - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl FromRawFd for UnixListener { - unsafe fn from_raw_fd(fd: RawFd) -> UnixListener { - UnixListener(Socket::from_inner(fd)) - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl IntoRawFd for UnixListener { - fn into_raw_fd(self) -> RawFd { - self.0.into_inner() - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl<'a> IntoIterator for &'a UnixListener { - type Item = io::Result; - type IntoIter = Incoming<'a>; - - fn into_iter(self) -> Incoming<'a> { - self.incoming() - } -} - -/// An iterator over incoming connections to a [`UnixListener`]. -/// -/// It will never return [`None`]. -/// -/// [`None`]: ../../../../std/option/enum.Option.html#variant.None -/// [`UnixListener`]: struct.UnixListener.html -/// -/// # Examples -/// -/// ```no_run -/// use std::thread; -/// use std::os::unix::net::{UnixStream, UnixListener}; -/// -/// fn handle_client(stream: UnixStream) { -/// // ... -/// } -/// -/// let listener = UnixListener::bind("/path/to/the/socket").unwrap(); -/// -/// for stream in listener.incoming() { -/// match stream { -/// Ok(stream) => { -/// thread::spawn(|| handle_client(stream)); -/// } -/// Err(err) => { -/// break; -/// } -/// } -/// } -/// ``` -#[derive(Debug)] -#[stable(feature = "unix_socket", since = "1.10.0")] -pub struct Incoming<'a> { - listener: &'a UnixListener, -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl<'a> Iterator for Incoming<'a> { - type Item = io::Result; - - fn next(&mut self) -> Option> { - Some(self.listener.accept().map(|s| s.0)) - } - - fn size_hint(&self) -> (usize, Option) { - (usize::max_value(), None) - } -} - -/// A Unix datagram socket. -/// -/// # Examples -/// -/// ```no_run -/// use std::os::unix::net::UnixDatagram; -/// -/// let socket = UnixDatagram::bind("/path/to/my/socket").unwrap(); -/// socket.send_to(b"hello world", "/path/to/other/socket").unwrap(); -/// let mut buf = [0; 100]; -/// let (count, address) = socket.recv_from(&mut buf).unwrap(); -/// println!("socket {:?} sent {:?}", address, &buf[..count]); -/// ``` -#[stable(feature = "unix_socket", since = "1.10.0")] -pub struct UnixDatagram(Socket); - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl fmt::Debug for UnixDatagram { - fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut builder = fmt.debug_struct("UnixDatagram"); - builder.field("fd", self.0.as_inner()); - if let Ok(addr) = self.local_addr() { - builder.field("local", &addr); - } - if let Ok(addr) = self.peer_addr() { - builder.field("peer", &addr); - } - builder.finish() - } -} - -impl UnixDatagram { - /// Creates a Unix datagram socket bound to the given path. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = match UnixDatagram::bind("/path/to/the/socket") { - /// Ok(sock) => sock, - /// Err(e) => { - /// println!("Couldn't bind: {:?}", e); - /// return - /// } - /// }; - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn bind>(path: P) -> io::Result { - fn inner(path: &Path) -> io::Result { - unsafe { - let socket = UnixDatagram::unbound()?; - let (addr, len) = sockaddr_un(path)?; - - cvt(libc::bind(*socket.0.as_inner(), &addr as *const _ as *const _, len as _))?; - - Ok(socket) - } - } - inner(path.as_ref()) - } - - /// Creates a Unix Datagram socket which is not bound to any address. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = match UnixDatagram::unbound() { - /// Ok(sock) => sock, - /// Err(e) => { - /// println!("Couldn't unbound: {:?}", e); - /// return - /// } - /// }; - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn unbound() -> io::Result { - let inner = Socket::new_raw(libc::AF_UNIX, libc::SOCK_DGRAM)?; - Ok(UnixDatagram(inner)) - } - - /// Creates an unnamed pair of connected sockets. - /// - /// Returns two `UnixDatagrams`s which are connected to each other. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let (sock1, sock2) = match UnixDatagram::pair() { - /// Ok((sock1, sock2)) => (sock1, sock2), - /// Err(e) => { - /// println!("Couldn't unbound: {:?}", e); - /// return - /// } - /// }; - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn pair() -> io::Result<(UnixDatagram, UnixDatagram)> { - let (i1, i2) = Socket::new_pair(libc::AF_UNIX, libc::SOCK_DGRAM)?; - Ok((UnixDatagram(i1), UnixDatagram(i2))) - } - - /// Connects the socket to the specified address. - /// - /// The [`send`] method may be used to send data to the specified address. - /// [`recv`] and [`recv_from`] will only receive data from that address. - /// - /// [`send`]: #method.send - /// [`recv`]: #method.recv - /// [`recv_from`]: #method.recv_from - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// match sock.connect("/path/to/the/socket") { - /// Ok(sock) => sock, - /// Err(e) => { - /// println!("Couldn't connect: {:?}", e); - /// return - /// } - /// }; - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn connect>(&self, path: P) -> io::Result<()> { - fn inner(d: &UnixDatagram, path: &Path) -> io::Result<()> { - unsafe { - let (addr, len) = sockaddr_un(path)?; - - cvt(libc::connect(*d.0.as_inner(), &addr as *const _ as *const _, len))?; - - Ok(()) - } - } - inner(self, path.as_ref()) - } - - /// Creates a new independently owned handle to the underlying socket. - /// - /// The returned `UnixDatagram` is a reference to the same socket that this - /// object references. Both handles can be used to accept incoming - /// connections and options set on one side will affect the other. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::bind("/path/to/the/socket").unwrap(); - /// - /// let sock_copy = sock.try_clone().expect("try_clone failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn try_clone(&self) -> io::Result { - self.0.duplicate().map(UnixDatagram) - } - - /// Returns the address of this socket. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::bind("/path/to/the/socket").unwrap(); - /// - /// let addr = sock.local_addr().expect("Couldn't get local address"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn local_addr(&self) -> io::Result { - SocketAddr::new(|addr, len| unsafe { libc::getsockname(*self.0.as_inner(), addr, len) }) - } - - /// Returns the address of this socket's peer. - /// - /// The [`connect`] method will connect the socket to a peer. - /// - /// [`connect`]: #method.connect - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.connect("/path/to/the/socket").unwrap(); - /// - /// let addr = sock.peer_addr().expect("Couldn't get peer address"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn peer_addr(&self) -> io::Result { - SocketAddr::new(|addr, len| unsafe { libc::getpeername(*self.0.as_inner(), addr, len) }) - } - - /// Receives data from the socket. - /// - /// On success, returns the number of bytes read and the address from - /// whence the data came. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// let mut buf = vec![0; 10]; - /// match sock.recv_from(buf.as_mut_slice()) { - /// Ok((size, sender)) => println!("received {} bytes from {:?}", size, sender), - /// Err(e) => println!("recv_from function failed: {:?}", e), - /// } - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> { - let mut count = 0; - let addr = SocketAddr::new(|addr, len| { - unsafe { - count = libc::recvfrom(*self.0.as_inner(), - buf.as_mut_ptr() as *mut _, - buf.len(), - 0, - addr, - len); - if count > 0 { - 1 - } else if count == 0 { - 0 - } else { - -1 - } - } - })?; - - Ok((count as usize, addr)) - } - - /// Receives data from the socket. - /// - /// On success, returns the number of bytes read. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::bind("/path/to/the/socket").unwrap(); - /// let mut buf = vec![0; 10]; - /// sock.recv(buf.as_mut_slice()).expect("recv function failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn recv(&self, buf: &mut [u8]) -> io::Result { - self.0.read(buf) - } - - /// Sends data on the socket to the specified address. - /// - /// On success, returns the number of bytes written. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.send_to(b"omelette au fromage", "/some/sock").expect("send_to function failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn send_to>(&self, buf: &[u8], path: P) -> io::Result { - fn inner(d: &UnixDatagram, buf: &[u8], path: &Path) -> io::Result { - unsafe { - let (addr, len) = sockaddr_un(path)?; - - let count = cvt(libc::sendto(*d.0.as_inner(), - buf.as_ptr() as *const _, - buf.len(), - MSG_NOSIGNAL, - &addr as *const _ as *const _, - len))?; - Ok(count as usize) - } - } - inner(self, buf, path.as_ref()) - } - - /// Sends data on the socket to the socket's peer. - /// - /// The peer address may be set by the `connect` method, and this method - /// will return an error if the socket has not already been connected. - /// - /// On success, returns the number of bytes written. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.connect("/some/sock").expect("Couldn't connect"); - /// sock.send(b"omelette au fromage").expect("send_to function failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn send(&self, buf: &[u8]) -> io::Result { - self.0.write(buf) - } - - /// Sets the read timeout for the socket. - /// - /// If the provided value is [`None`], then [`recv`] and [`recv_from`] calls will - /// block indefinitely. An [`Err`] is returned if the zero [`Duration`] - /// is passed to this method. - /// - /// [`None`]: ../../../../std/option/enum.Option.html#variant.None - /// [`Err`]: ../../../../std/result/enum.Result.html#variant.Err - /// [`recv`]: #method.recv - /// [`recv_from`]: #method.recv_from - /// [`Duration`]: ../../../../std/time/struct.Duration.html - /// - /// # Examples - /// - /// ``` - /// use std::os::unix::net::UnixDatagram; - /// use std::time::Duration; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.set_read_timeout(Some(Duration::new(1, 0))).expect("set_read_timeout function failed"); - /// ``` - /// - /// An [`Err`] is returned if the zero [`Duration`] is passed to this - /// method: - /// - /// ```no_run - /// use std::io; - /// use std::os::unix::net::UnixDatagram; - /// use std::time::Duration; - /// - /// let socket = UnixDatagram::unbound().unwrap(); - /// let result = socket.set_read_timeout(Some(Duration::new(0, 0))); - /// let err = result.unwrap_err(); - /// assert_eq!(err.kind(), io::ErrorKind::InvalidInput) - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn set_read_timeout(&self, timeout: Option) -> io::Result<()> { - self.0.set_timeout(timeout, libc::SO_RCVTIMEO) - } - - /// Sets the write timeout for the socket. - /// - /// If the provided value is [`None`], then [`send`] and [`send_to`] calls will - /// block indefinitely. An [`Err`] is returned if the zero [`Duration`] is passed to this - /// method. - /// - /// [`None`]: ../../../../std/option/enum.Option.html#variant.None - /// [`send`]: #method.send - /// [`send_to`]: #method.send_to - /// [`Duration`]: ../../../../std/time/struct.Duration.html - /// - /// # Examples - /// - /// ``` - /// use std::os::unix::net::UnixDatagram; - /// use std::time::Duration; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.set_write_timeout(Some(Duration::new(1, 0))) - /// .expect("set_write_timeout function failed"); - /// ``` - /// - /// An [`Err`] is returned if the zero [`Duration`] is passed to this - /// method: - /// - /// ```no_run - /// use std::io; - /// use std::os::unix::net::UnixDatagram; - /// use std::time::Duration; - /// - /// let socket = UnixDatagram::unbound().unwrap(); - /// let result = socket.set_write_timeout(Some(Duration::new(0, 0))); - /// let err = result.unwrap_err(); - /// assert_eq!(err.kind(), io::ErrorKind::InvalidInput) - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn set_write_timeout(&self, timeout: Option) -> io::Result<()> { - self.0.set_timeout(timeout, libc::SO_SNDTIMEO) - } - - /// Returns the read timeout of this socket. - /// - /// # Examples - /// - /// ``` - /// use std::os::unix::net::UnixDatagram; - /// use std::time::Duration; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.set_read_timeout(Some(Duration::new(1, 0))).expect("set_read_timeout function failed"); - /// assert_eq!(sock.read_timeout().unwrap(), Some(Duration::new(1, 0))); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn read_timeout(&self) -> io::Result> { - self.0.timeout(libc::SO_RCVTIMEO) - } - - /// Returns the write timeout of this socket. - /// - /// # Examples - /// - /// ``` - /// use std::os::unix::net::UnixDatagram; - /// use std::time::Duration; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.set_write_timeout(Some(Duration::new(1, 0))) - /// .expect("set_write_timeout function failed"); - /// assert_eq!(sock.write_timeout().unwrap(), Some(Duration::new(1, 0))); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn write_timeout(&self) -> io::Result> { - self.0.timeout(libc::SO_SNDTIMEO) - } - - /// Moves the socket into or out of nonblocking mode. - /// - /// # Examples - /// - /// ``` - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.set_nonblocking(true).expect("set_nonblocking function failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> { - self.0.set_nonblocking(nonblocking) - } - - /// Returns the value of the `SO_ERROR` option. - /// - /// # Examples - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// if let Ok(Some(err)) = sock.take_error() { - /// println!("Got error: {:?}", err); - /// } - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn take_error(&self) -> io::Result> { - self.0.take_error() - } - - /// Shut 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`]). - /// - /// [`Shutdown`]: ../../../../std/net/enum.Shutdown.html - /// - /// ```no_run - /// use std::os::unix::net::UnixDatagram; - /// use std::net::Shutdown; - /// - /// let sock = UnixDatagram::unbound().unwrap(); - /// sock.shutdown(Shutdown::Both).expect("shutdown function failed"); - /// ``` - #[stable(feature = "unix_socket", since = "1.10.0")] - pub fn shutdown(&self, how: Shutdown) -> io::Result<()> { - self.0.shutdown(how) - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl AsRawFd for UnixDatagram { - fn as_raw_fd(&self) -> RawFd { - *self.0.as_inner() - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl FromRawFd for UnixDatagram { - unsafe fn from_raw_fd(fd: RawFd) -> UnixDatagram { - UnixDatagram(Socket::from_inner(fd)) - } -} - -#[stable(feature = "unix_socket", since = "1.10.0")] -impl IntoRawFd for UnixDatagram { - fn into_raw_fd(self) -> RawFd { - self.0.into_inner() - } -} - -#[cfg(all(test, not(target_os = "emscripten")))] -mod test { - use crate::thread; - use crate::io::{self, ErrorKind}; - use crate::io::prelude::*; - use crate::time::Duration; - use crate::sys_common::io::test::tmpdir; - - use super::*; - - macro_rules! or_panic { - ($e:expr) => { - match $e { - Ok(e) => e, - Err(e) => panic!("{}", e), - } - } - } - - #[test] - fn basic() { - let dir = tmpdir(); - let socket_path = dir.path().join("sock"); - let msg1 = b"hello"; - let msg2 = b"world!"; - - let listener = or_panic!(UnixListener::bind(&socket_path)); - let thread = thread::spawn(move || { - let mut stream = or_panic!(listener.accept()).0; - let mut buf = [0; 5]; - or_panic!(stream.read(&mut buf)); - assert_eq!(&msg1[..], &buf[..]); - or_panic!(stream.write_all(msg2)); - }); - - let mut stream = or_panic!(UnixStream::connect(&socket_path)); - assert_eq!(Some(&*socket_path), - stream.peer_addr().unwrap().as_pathname()); - or_panic!(stream.write_all(msg1)); - let mut buf = vec![]; - or_panic!(stream.read_to_end(&mut buf)); - assert_eq!(&msg2[..], &buf[..]); - drop(stream); - - thread.join().unwrap(); - } - - #[test] - fn vectored() { - let (mut s1, mut s2) = or_panic!(UnixStream::pair()); - - let len = or_panic!(s1.write_vectored( - &[IoSlice::new(b"hello"), IoSlice::new(b" "), IoSlice::new(b"world!")], - )); - assert_eq!(len, 12); - - let mut buf1 = [0; 6]; - let mut buf2 = [0; 7]; - let len = or_panic!(s2.read_vectored( - &mut [IoSliceMut::new(&mut buf1), IoSliceMut::new(&mut buf2)], - )); - assert_eq!(len, 12); - assert_eq!(&buf1, b"hello "); - assert_eq!(&buf2, b"world!\0"); - } - - #[test] - fn pair() { - let msg1 = b"hello"; - let msg2 = b"world!"; - - let (mut s1, mut s2) = or_panic!(UnixStream::pair()); - let thread = thread::spawn(move || { - // s1 must be moved in or the test will hang! - let mut buf = [0; 5]; - or_panic!(s1.read(&mut buf)); - assert_eq!(&msg1[..], &buf[..]); - or_panic!(s1.write_all(msg2)); - }); - - or_panic!(s2.write_all(msg1)); - let mut buf = vec![]; - or_panic!(s2.read_to_end(&mut buf)); - assert_eq!(&msg2[..], &buf[..]); - drop(s2); - - thread.join().unwrap(); - } - - #[test] - fn try_clone() { - let dir = tmpdir(); - let socket_path = dir.path().join("sock"); - let msg1 = b"hello"; - let msg2 = b"world"; - - let listener = or_panic!(UnixListener::bind(&socket_path)); - let thread = thread::spawn(move || { - let mut stream = or_panic!(listener.accept()).0; - or_panic!(stream.write_all(msg1)); - or_panic!(stream.write_all(msg2)); - }); - - let mut stream = or_panic!(UnixStream::connect(&socket_path)); - let mut stream2 = or_panic!(stream.try_clone()); - - let mut buf = [0; 5]; - or_panic!(stream.read(&mut buf)); - assert_eq!(&msg1[..], &buf[..]); - or_panic!(stream2.read(&mut buf)); - assert_eq!(&msg2[..], &buf[..]); - - thread.join().unwrap(); - } - - #[test] - fn iter() { - let dir = tmpdir(); - let socket_path = dir.path().join("sock"); - - let listener = or_panic!(UnixListener::bind(&socket_path)); - let thread = thread::spawn(move || { - for stream in listener.incoming().take(2) { - let mut stream = or_panic!(stream); - let mut buf = [0]; - or_panic!(stream.read(&mut buf)); - } - }); - - for _ in 0..2 { - let mut stream = or_panic!(UnixStream::connect(&socket_path)); - or_panic!(stream.write_all(&[0])); - } - - thread.join().unwrap(); - } - - #[test] - fn long_path() { - let dir = tmpdir(); - let socket_path = dir.path() - .join("asdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfa\ - sasdfasdfasdasdfasdfasdfadfasdfasdfasdfasdfasdf"); - match UnixStream::connect(&socket_path) { - Err(ref e) if e.kind() == io::ErrorKind::InvalidInput => {} - Err(e) => panic!("unexpected error {}", e), - Ok(_) => panic!("unexpected success"), - } - - match UnixListener::bind(&socket_path) { - Err(ref e) if e.kind() == io::ErrorKind::InvalidInput => {} - Err(e) => panic!("unexpected error {}", e), - Ok(_) => panic!("unexpected success"), - } - - match UnixDatagram::bind(&socket_path) { - Err(ref e) if e.kind() == io::ErrorKind::InvalidInput => {} - Err(e) => panic!("unexpected error {}", e), - Ok(_) => panic!("unexpected success"), - } - } - - #[test] - fn timeouts() { - let dir = tmpdir(); - let socket_path = dir.path().join("sock"); - - let _listener = or_panic!(UnixListener::bind(&socket_path)); - - let stream = or_panic!(UnixStream::connect(&socket_path)); - let dur = Duration::new(15410, 0); - - assert_eq!(None, or_panic!(stream.read_timeout())); - - or_panic!(stream.set_read_timeout(Some(dur))); - assert_eq!(Some(dur), or_panic!(stream.read_timeout())); - - assert_eq!(None, or_panic!(stream.write_timeout())); - - or_panic!(stream.set_write_timeout(Some(dur))); - assert_eq!(Some(dur), or_panic!(stream.write_timeout())); - - or_panic!(stream.set_read_timeout(None)); - assert_eq!(None, or_panic!(stream.read_timeout())); - - or_panic!(stream.set_write_timeout(None)); - assert_eq!(None, or_panic!(stream.write_timeout())); - } - - #[test] - fn test_read_timeout() { - let dir = tmpdir(); - let socket_path = dir.path().join("sock"); - - let _listener = or_panic!(UnixListener::bind(&socket_path)); - - let mut stream = or_panic!(UnixStream::connect(&socket_path)); - or_panic!(stream.set_read_timeout(Some(Duration::from_millis(1000)))); - - let mut buf = [0; 10]; - let kind = stream.read_exact(&mut buf).err().expect("expected error").kind(); - assert!(kind == ErrorKind::WouldBlock || kind == ErrorKind::TimedOut, - "unexpected_error: {:?}", kind); - } - - #[test] - fn test_read_with_timeout() { - let dir = tmpdir(); - let socket_path = dir.path().join("sock"); - - let listener = or_panic!(UnixListener::bind(&socket_path)); - - let mut stream = or_panic!(UnixStream::connect(&socket_path)); - or_panic!(stream.set_read_timeout(Some(Duration::from_millis(1000)))); - - let mut other_end = or_panic!(listener.accept()).0; - or_panic!(other_end.write_all(b"hello world")); - - let mut buf = [0; 11]; - or_panic!(stream.read(&mut buf)); - assert_eq!(b"hello world", &buf[..]); - - let kind = stream.read_exact(&mut buf).err().expect("expected error").kind(); - assert!(kind == ErrorKind::WouldBlock || kind == ErrorKind::TimedOut, - "unexpected_error: {:?}", kind); - } - - // Ensure the `set_read_timeout` and `set_write_timeout` calls return errors - // when passed zero Durations - #[test] - fn test_unix_stream_timeout_zero_duration() { - let dir = tmpdir(); - let socket_path = dir.path().join("sock"); - - let listener = or_panic!(UnixListener::bind(&socket_path)); - let stream = or_panic!(UnixStream::connect(&socket_path)); - - let result = stream.set_write_timeout(Some(Duration::new(0, 0))); - let err = result.unwrap_err(); - assert_eq!(err.kind(), ErrorKind::InvalidInput); - - let result = stream.set_read_timeout(Some(Duration::new(0, 0))); - let err = result.unwrap_err(); - assert_eq!(err.kind(), ErrorKind::InvalidInput); - - drop(listener); - } - - #[test] - fn test_unix_datagram() { - let dir = tmpdir(); - let path1 = dir.path().join("sock1"); - let path2 = dir.path().join("sock2"); - - let sock1 = or_panic!(UnixDatagram::bind(&path1)); - let sock2 = or_panic!(UnixDatagram::bind(&path2)); - - let msg = b"hello world"; - or_panic!(sock1.send_to(msg, &path2)); - let mut buf = [0; 11]; - or_panic!(sock2.recv_from(&mut buf)); - assert_eq!(msg, &buf[..]); - } - - #[test] - fn test_unnamed_unix_datagram() { - let dir = tmpdir(); - let path1 = dir.path().join("sock1"); - - let sock1 = or_panic!(UnixDatagram::bind(&path1)); - let sock2 = or_panic!(UnixDatagram::unbound()); - - let msg = b"hello world"; - or_panic!(sock2.send_to(msg, &path1)); - let mut buf = [0; 11]; - let (usize, addr) = or_panic!(sock1.recv_from(&mut buf)); - assert_eq!(usize, 11); - assert!(addr.is_unnamed()); - assert_eq!(msg, &buf[..]); - } - - #[test] - fn test_connect_unix_datagram() { - let dir = tmpdir(); - let path1 = dir.path().join("sock1"); - let path2 = dir.path().join("sock2"); - - let bsock1 = or_panic!(UnixDatagram::bind(&path1)); - let bsock2 = or_panic!(UnixDatagram::bind(&path2)); - let sock = or_panic!(UnixDatagram::unbound()); - or_panic!(sock.connect(&path1)); - - // Check send() - let msg = b"hello there"; - or_panic!(sock.send(msg)); - let mut buf = [0; 11]; - let (usize, addr) = or_panic!(bsock1.recv_from(&mut buf)); - assert_eq!(usize, 11); - assert!(addr.is_unnamed()); - assert_eq!(msg, &buf[..]); - - // Changing default socket works too - or_panic!(sock.connect(&path2)); - or_panic!(sock.send(msg)); - or_panic!(bsock2.recv_from(&mut buf)); - } - - #[test] - fn test_unix_datagram_recv() { - let dir = tmpdir(); - let path1 = dir.path().join("sock1"); - - let sock1 = or_panic!(UnixDatagram::bind(&path1)); - let sock2 = or_panic!(UnixDatagram::unbound()); - or_panic!(sock2.connect(&path1)); - - let msg = b"hello world"; - or_panic!(sock2.send(msg)); - let mut buf = [0; 11]; - let size = or_panic!(sock1.recv(&mut buf)); - assert_eq!(size, 11); - assert_eq!(msg, &buf[..]); - } - - #[test] - fn datagram_pair() { - let msg1 = b"hello"; - let msg2 = b"world!"; - - let (s1, s2) = or_panic!(UnixDatagram::pair()); - let thread = thread::spawn(move || { - // s1 must be moved in or the test will hang! - let mut buf = [0; 5]; - or_panic!(s1.recv(&mut buf)); - assert_eq!(&msg1[..], &buf[..]); - or_panic!(s1.send(msg2)); - }); - - or_panic!(s2.send(msg1)); - let mut buf = [0; 6]; - or_panic!(s2.recv(&mut buf)); - assert_eq!(&msg2[..], &buf[..]); - drop(s2); - - thread.join().unwrap(); - } - - // Ensure the `set_read_timeout` and `set_write_timeout` calls return errors - // when passed zero Durations - #[test] - fn test_unix_datagram_timeout_zero_duration() { - let dir = tmpdir(); - let path = dir.path().join("sock"); - - let datagram = or_panic!(UnixDatagram::bind(&path)); - - let result = datagram.set_write_timeout(Some(Duration::new(0, 0))); - let err = result.unwrap_err(); - assert_eq!(err.kind(), ErrorKind::InvalidInput); - - let result = datagram.set_read_timeout(Some(Duration::new(0, 0))); - let err = result.unwrap_err(); - assert_eq!(err.kind(), ErrorKind::InvalidInput); - } - - #[test] - fn abstract_namespace_not_allowed() { - assert!(UnixStream::connect("\0asdf").is_err()); - } -} -- 2.44.0