Revert unification of interfaces
This commit is contained in:
jD91mZM2
parent
ea6f9f9c55
commit
abac5e722f
5 changed files with 1539 additions and 32 deletions
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@ -36,7 +36,6 @@ pub mod io;
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pub mod net;
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pub mod process;
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pub mod thread;
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pub(crate) mod unixsocket;
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/// A prelude for conveniently writing platform-specific code.
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///
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@ -8,6 +8,695 @@
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![stable(feature = "unix_socket", since = "1.10.0")]
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#[stable(feature = "unix_socket", since = "1.10.0")]
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pub use sys_common::unixsocket::*;
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#![unstable(feature = "unix_socket_redox", reason = "new feature", issue="51553")]
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//! Unix-specific networking functionality
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use fmt;
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use io::{self, Error, ErrorKind, Initializer};
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use net::Shutdown;
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use os::unix::io::{RawFd, AsRawFd, FromRawFd, IntoRawFd};
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use path::Path;
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use time::Duration;
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use sys::{cvt, fd::FileDesc, syscall};
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/// An address associated with a Unix socket.
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///
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/// # Examples
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///
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/// ```
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/// use std::os::unix::net::UnixListener;
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///
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/// let socket = match UnixListener::bind("/tmp/sock") {
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/// Ok(sock) => sock,
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/// Err(e) => {
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/// println!("Couldn't bind: {:?}", e);
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/// return
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/// }
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/// };
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/// let addr = socket.local_addr().expect("Couldn't get local address");
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/// ```
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#[derive(Clone)]
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pub struct SocketAddr(());
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impl SocketAddr {
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/// Returns the contents of this address if it is a `pathname` address.
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///
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/// # Examples
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///
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/// With a pathname:
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///
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/// ```no_run
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/// use std::os::unix::net::UnixListener;
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/// use std::path::Path;
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///
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/// let socket = UnixListener::bind("/tmp/sock").unwrap();
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/// let addr = socket.local_addr().expect("Couldn't get local address");
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/// assert_eq!(addr.as_pathname(), Some(Path::new("/tmp/sock")));
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/// ```
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///
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/// Without a pathname:
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///
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/// ```
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/// use std::os::unix::net::UnixDatagram;
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///
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/// let socket = UnixDatagram::unbound().unwrap();
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/// let addr = socket.local_addr().expect("Couldn't get local address");
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/// assert_eq!(addr.as_pathname(), None);
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/// ```
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pub fn as_pathname(&self) -> Option<&Path> {
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None
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}
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}
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impl fmt::Debug for SocketAddr {
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fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
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write!(fmt, "SocketAddr")
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}
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}
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/// A Unix stream socket.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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/// use std::io::prelude::*;
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///
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/// let mut stream = UnixStream::connect("/path/to/my/socket").unwrap();
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/// stream.write_all(b"hello world").unwrap();
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/// let mut response = String::new();
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/// stream.read_to_string(&mut response).unwrap();
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/// println!("{}", response);
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/// ```
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pub struct UnixStream(FileDesc);
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impl fmt::Debug for UnixStream {
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fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
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let mut builder = fmt.debug_struct("UnixStream");
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builder.field("fd", &self.0.raw());
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if let Ok(addr) = self.local_addr() {
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builder.field("local", &addr);
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}
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if let Ok(addr) = self.peer_addr() {
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builder.field("peer", &addr);
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}
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builder.finish()
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}
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}
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impl UnixStream {
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/// Connects to the socket named by `path`.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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///
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/// let socket = match UnixStream::connect("/tmp/sock") {
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/// Ok(sock) => sock,
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/// Err(e) => {
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/// println!("Couldn't connect: {:?}", e);
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/// return
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/// }
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/// };
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/// ```
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pub fn connect<P: AsRef<Path>>(path: P) -> io::Result<UnixStream> {
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if let Some(s) = path.as_ref().to_str() {
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cvt(syscall::open(format!("chan:{}", s), syscall::O_CLOEXEC))
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.map(FileDesc::new)
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.map(UnixStream)
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} else {
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Err(Error::new(
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ErrorKind::Other,
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"UnixStream::connect: non-utf8 paths not supported on redox"
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))
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}
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}
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/// Creates an unnamed pair of connected sockets.
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///
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/// Returns two `UnixStream`s which are connected to each other.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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///
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/// let (sock1, sock2) = match UnixStream::pair() {
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/// Ok((sock1, sock2)) => (sock1, sock2),
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/// Err(e) => {
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/// println!("Couldn't create a pair of sockets: {:?}", e);
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/// return
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/// }
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/// };
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/// ```
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pub fn pair() -> io::Result<(UnixStream, UnixStream)> {
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let server = cvt(syscall::open("chan:", syscall::O_CREAT | syscall::O_CLOEXEC))
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.map(FileDesc::new)?;
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let client = server.duplicate_path(b"connect")?;
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let stream = server.duplicate_path(b"listen")?;
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Ok((UnixStream(client), UnixStream(stream)))
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}
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/// Creates a new independently owned handle to the underlying socket.
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///
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/// The returned `UnixStream` is a reference to the same stream that this
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/// object references. Both handles will read and write the same stream of
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/// data, and options set on one stream will be propagated to the other
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/// stream.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// let sock_copy = socket.try_clone().expect("Couldn't clone socket");
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/// ```
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pub fn try_clone(&self) -> io::Result<UnixStream> {
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self.0.duplicate().map(UnixStream)
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}
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/// Returns the socket address of the local half of this connection.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// let addr = socket.local_addr().expect("Couldn't get local address");
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/// ```
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pub fn local_addr(&self) -> io::Result<SocketAddr> {
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Err(Error::new(ErrorKind::Other, "UnixStream::local_addr unimplemented on redox"))
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}
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/// Returns the socket address of the remote half of this connection.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// let addr = socket.peer_addr().expect("Couldn't get peer address");
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/// ```
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pub fn peer_addr(&self) -> io::Result<SocketAddr> {
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Err(Error::new(ErrorKind::Other, "UnixStream::peer_addr unimplemented on redox"))
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}
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/// Sets the read timeout for the socket.
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///
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/// If the provided value is [`None`], then [`read`] calls will block
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/// indefinitely. An [`Err`] is returned if the zero [`Duration`] is passed to this
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/// method.
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///
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/// [`None`]: ../../../../std/option/enum.Option.html#variant.None
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/// [`Err`]: ../../../../std/result/enum.Result.html#variant.Err
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/// [`read`]: ../../../../std/io/trait.Read.html#tymethod.read
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/// [`Duration`]: ../../../../std/time/struct.Duration.html
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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/// use std::time::Duration;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// socket.set_read_timeout(Some(Duration::new(1, 0))).expect("Couldn't set read timeout");
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/// ```
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///
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/// An [`Err`] is returned if the zero [`Duration`] is passed to this
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/// method:
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///
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/// ```no_run
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/// use std::io;
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/// use std::os::unix::net::UnixStream;
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/// use std::time::Duration;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// let result = socket.set_read_timeout(Some(Duration::new(0, 0)));
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/// let err = result.unwrap_err();
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/// assert_eq!(err.kind(), io::ErrorKind::InvalidInput)
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/// ```
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pub fn set_read_timeout(&self, _timeout: Option<Duration>) -> io::Result<()> {
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Err(Error::new(ErrorKind::Other, "UnixStream::set_read_timeout unimplemented on redox"))
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}
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/// Sets the write timeout for the socket.
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///
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/// If the provided value is [`None`], then [`write`] calls will block
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/// indefinitely. An [`Err`] is returned if the zero [`Duration`] is
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/// passed to this method.
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///
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/// [`None`]: ../../../../std/option/enum.Option.html#variant.None
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/// [`Err`]: ../../../../std/result/enum.Result.html#variant.Err
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/// [`write`]: ../../../../std/io/trait.Write.html#tymethod.write
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/// [`Duration`]: ../../../../std/time/struct.Duration.html
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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/// use std::time::Duration;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// socket.set_write_timeout(Some(Duration::new(1, 0))).expect("Couldn't set write timeout");
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/// ```
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///
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/// An [`Err`] is returned if the zero [`Duration`] is passed to this
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/// method:
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///
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/// ```no_run
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/// use std::io;
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/// use std::net::UdpSocket;
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/// use std::time::Duration;
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///
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/// let socket = UdpSocket::bind("127.0.0.1:34254").unwrap();
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/// let result = socket.set_write_timeout(Some(Duration::new(0, 0)));
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/// let err = result.unwrap_err();
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/// assert_eq!(err.kind(), io::ErrorKind::InvalidInput)
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/// ```
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pub fn set_write_timeout(&self, _timeout: Option<Duration>) -> io::Result<()> {
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Err(Error::new(ErrorKind::Other, "UnixStream::set_write_timeout unimplemented on redox"))
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}
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/// Returns the read timeout of this socket.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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/// use std::time::Duration;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// socket.set_read_timeout(Some(Duration::new(1, 0))).expect("Couldn't set read timeout");
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/// assert_eq!(socket.read_timeout().unwrap(), Some(Duration::new(1, 0)));
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/// ```
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pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
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Err(Error::new(ErrorKind::Other, "UnixStream::read_timeout unimplemented on redox"))
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}
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/// Returns the write timeout of this socket.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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/// use std::time::Duration;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// socket.set_write_timeout(Some(Duration::new(1, 0))).expect("Couldn't set write timeout");
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/// assert_eq!(socket.write_timeout().unwrap(), Some(Duration::new(1, 0)));
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/// ```
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pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
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Err(Error::new(ErrorKind::Other, "UnixStream::write_timeout unimplemented on redox"))
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}
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/// Moves the socket into or out of nonblocking mode.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// socket.set_nonblocking(true).expect("Couldn't set nonblocking");
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/// ```
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pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> {
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self.0.set_nonblocking(nonblocking)
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}
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/// Returns the value of the `SO_ERROR` option.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// if let Ok(Some(err)) = socket.take_error() {
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/// println!("Got error: {:?}", err);
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/// }
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/// ```
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///
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/// # Platform specific
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/// On Redox this always returns None.
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pub fn take_error(&self) -> io::Result<Option<io::Error>> {
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Ok(None)
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}
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/// Shuts down the read, write, or both halves of this connection.
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///
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/// This function will cause all pending and future I/O calls on the
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/// specified portions to immediately return with an appropriate value
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/// (see the documentation of [`Shutdown`]).
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///
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/// [`Shutdown`]: ../../../../std/net/enum.Shutdown.html
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::os::unix::net::UnixStream;
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/// use std::net::Shutdown;
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///
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/// let socket = UnixStream::connect("/tmp/sock").unwrap();
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/// socket.shutdown(Shutdown::Both).expect("shutdown function failed");
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/// ```
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pub fn shutdown(&self, _how: Shutdown) -> io::Result<()> {
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Err(Error::new(ErrorKind::Other, "UnixStream::shutdown unimplemented on redox"))
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}
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}
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impl io::Read for UnixStream {
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fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
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io::Read::read(&mut &*self, buf)
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}
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#[inline]
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unsafe fn initializer(&self) -> Initializer {
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Initializer::nop()
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}
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}
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impl<'a> io::Read for &'a UnixStream {
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fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
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self.0.read(buf)
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}
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#[inline]
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unsafe fn initializer(&self) -> Initializer {
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Initializer::nop()
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}
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}
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impl io::Write for UnixStream {
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fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
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io::Write::write(&mut &*self, buf)
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}
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fn flush(&mut self) -> io::Result<()> {
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io::Write::flush(&mut &*self)
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}
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}
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impl<'a> io::Write for &'a UnixStream {
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fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
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self.0.write(buf)
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}
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fn flush(&mut self) -> io::Result<()> {
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Ok(())
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}
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}
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impl AsRawFd for UnixStream {
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fn as_raw_fd(&self) -> RawFd {
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self.0.raw()
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}
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}
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impl FromRawFd for UnixStream {
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unsafe fn from_raw_fd(fd: RawFd) -> UnixStream {
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UnixStream(FileDesc::new(fd))
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}
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}
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impl IntoRawFd for UnixStream {
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fn into_raw_fd(self) -> RawFd {
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self.0.into_raw()
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}
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}
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/// A structure representing a Unix domain socket server.
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///
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/// # Examples
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///
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/// ```no_run
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/// use std::thread;
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/// use std::os::unix::net::{UnixStream, UnixListener};
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///
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/// fn handle_client(stream: UnixStream) {
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/// // ...
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/// }
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///
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/// let listener = UnixListener::bind("/path/to/the/socket").unwrap();
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///
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/// // accept connections and process them, spawning a new thread for each one
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/// for stream in listener.incoming() {
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/// match stream {
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/// Ok(stream) => {
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/// /* connection succeeded */
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/// thread::spawn(|| handle_client(stream));
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/// }
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/// Err(err) => {
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/// /* connection failed */
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/// break;
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/// }
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/// }
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/// }
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/// ```
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pub struct UnixListener(FileDesc);
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impl fmt::Debug for UnixListener {
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fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
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let mut builder = fmt.debug_struct("UnixListener");
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builder.field("fd", &self.0.raw());
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if let Ok(addr) = self.local_addr() {
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builder.field("local", &addr);
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}
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builder.finish()
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}
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}
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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
|
||||
/// }
|
||||
/// };
|
||||
/// ```
|
||||
pub fn bind<P: AsRef<Path>>(path: P) -> io::Result<UnixListener> {
|
||||
if let Some(s) = path.as_ref().to_str() {
|
||||
cvt(syscall::open(format!("chan:{}", s), syscall::O_CREAT | syscall::O_CLOEXEC))
|
||||
.map(FileDesc::new)
|
||||
.map(UnixListener)
|
||||
} else {
|
||||
Err(Error::new(
|
||||
ErrorKind::Other,
|
||||
"UnixListener::bind: non-utf8 paths not supported on redox"
|
||||
))
|
||||
}
|
||||
}
|
||||
|
||||
/// 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),
|
||||
/// }
|
||||
/// ```
|
||||
pub fn accept(&self) -> io::Result<(UnixStream, SocketAddr)> {
|
||||
self.0.duplicate_path(b"listen").map(|fd| (UnixStream(fd), SocketAddr(())))
|
||||
}
|
||||
|
||||
/// 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");
|
||||
/// ```
|
||||
pub fn try_clone(&self) -> io::Result<UnixListener> {
|
||||
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");
|
||||
/// ```
|
||||
pub fn local_addr(&self) -> io::Result<SocketAddr> {
|
||||
Err(Error::new(ErrorKind::Other, "UnixListener::local_addr unimplemented on redox"))
|
||||
}
|
||||
|
||||
/// 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");
|
||||
/// ```
|
||||
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.
|
||||
pub fn take_error(&self) -> io::Result<Option<io::Error>> {
|
||||
Ok(None)
|
||||
}
|
||||
|
||||
/// 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;
|
||||
/// }
|
||||
/// }
|
||||
/// }
|
||||
/// ```
|
||||
pub fn incoming<'a>(&'a self) -> Incoming<'a> {
|
||||
Incoming { listener: self }
|
||||
}
|
||||
}
|
||||
|
||||
impl AsRawFd for UnixListener {
|
||||
fn as_raw_fd(&self) -> RawFd {
|
||||
self.0.raw()
|
||||
}
|
||||
}
|
||||
|
||||
impl FromRawFd for UnixListener {
|
||||
unsafe fn from_raw_fd(fd: RawFd) -> UnixListener {
|
||||
UnixListener(FileDesc::new(fd))
|
||||
}
|
||||
}
|
||||
|
||||
impl IntoRawFd for UnixListener {
|
||||
fn into_raw_fd(self) -> RawFd {
|
||||
self.0.into_raw()
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> IntoIterator for &'a UnixListener {
|
||||
type Item = io::Result<UnixStream>;
|
||||
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)]
|
||||
pub struct Incoming<'a> {
|
||||
listener: &'a UnixListener,
|
||||
}
|
||||
|
||||
impl<'a> Iterator for Incoming<'a> {
|
||||
type Item = io::Result<UnixStream>;
|
||||
|
||||
fn next(&mut self) -> Option<io::Result<UnixStream>> {
|
||||
Some(self.listener.accept().map(|s| s.0))
|
||||
}
|
||||
|
||||
fn size_hint(&self) -> (usize, Option<usize>) {
|
||||
(usize::max_value(), None)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -44,7 +44,6 @@ pub mod process;
|
|||
pub mod raw;
|
||||
pub mod thread;
|
||||
pub mod net;
|
||||
pub(crate) mod unixsocket;
|
||||
|
||||
/// A prelude for conveniently writing platform-specific code.
|
||||
///
|
||||
|
|
|
|||
|
|
@ -25,34 +25,32 @@ mod libc {
|
|||
pub struct sockaddr_un;
|
||||
}
|
||||
|
||||
use ascii;
|
||||
use ffi::OsStr;
|
||||
use fmt;
|
||||
use io;
|
||||
use io::{self, Initializer};
|
||||
use mem;
|
||||
use net::{self, Shutdown};
|
||||
use os::unix::ffi::OsStrExt;
|
||||
use os::unix::io::{RawFd, AsRawFd, FromRawFd, IntoRawFd};
|
||||
use path::Path;
|
||||
use time::Duration;
|
||||
use sys::ext::unixsocket as inner;
|
||||
use sys::net::Socket;
|
||||
use sys::{self, cvt};
|
||||
use sys::net::Socket;
|
||||
use sys_common::{self, AsInner, FromInner, IntoInner};
|
||||
|
||||
#[stable(feature = "unix_socket", since = "1.10.0")]
|
||||
pub use sys_common::unixsocket::*;
|
||||
|
||||
#[cfg(any(target_os = "linux", target_os = "android",
|
||||
target_os = "dragonfly", target_os = "freebsd",
|
||||
target_os = "openbsd", target_os = "netbsd",
|
||||
target_os = "haiku", target_os = "bitrig"))]
|
||||
pub(crate) use libc::MSG_NOSIGNAL;
|
||||
use libc::MSG_NOSIGNAL;
|
||||
#[cfg(not(any(target_os = "linux", target_os = "android",
|
||||
target_os = "dragonfly", target_os = "freebsd",
|
||||
target_os = "openbsd", target_os = "netbsd",
|
||||
target_os = "haiku", target_os = "bitrig")))]
|
||||
pub(crate) const MSG_NOSIGNAL: libc::c_int = 0x0;
|
||||
const MSG_NOSIGNAL: libc::c_int = 0x0;
|
||||
|
||||
pub(crate) fn sun_path_offset() -> usize {
|
||||
fn sun_path_offset() -> usize {
|
||||
// Work with an actual instance of the type since using a null pointer is UB
|
||||
let addr: libc::sockaddr_un = unsafe { mem::uninitialized() };
|
||||
let base = &addr as *const _ as usize;
|
||||
|
|
@ -60,7 +58,7 @@ pub(crate) fn sun_path_offset() -> usize {
|
|||
path - base
|
||||
}
|
||||
|
||||
pub(crate) unsafe fn sockaddr_un(path: &Path) -> io::Result<(libc::sockaddr_un, libc::socklen_t)> {
|
||||
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;
|
||||
|
||||
|
|
@ -89,22 +87,557 @@ pub(crate) unsafe fn sockaddr_un(path: &Path) -> io::Result<(libc::sockaddr_un,
|
|||
Ok((addr, len as libc::socklen_t))
|
||||
}
|
||||
|
||||
#[stable(feature = "into_raw_os", since = "1.4.0")]
|
||||
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: F) -> io::Result<SocketAddr>
|
||||
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::<libc::sockaddr_un>() 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<SocketAddr> {
|
||||
if len == 0 {
|
||||
// When there is a datagram from unnamed unix socket
|
||||
// linux returns zero bytes of address
|
||||
len = sun_path_offset() 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 and only 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();
|
||||
let path = unsafe { mem::transmute::<&[libc::c_char], &[u8]>(&self.addr.sun_path) };
|
||||
|
||||
// macOS seems to return a len of 16 and a zeroed sun_path for unnamed addresses
|
||||
if len == 0
|
||||
|| (cfg!(not(any(target_os = "linux", target_os = "android")))
|
||||
&& self.addr.sun_path[0] == 0)
|
||||
{
|
||||
AddressKind::Unnamed
|
||||
} else 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<P: AsRef<Path>>(path: P) -> io::Result<UnixStream> {
|
||||
fn inner(path: &Path) -> io::Result<UnixStream> {
|
||||
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<UnixStream> {
|
||||
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> {
|
||||
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> {
|
||||
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<Duration>) -> 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<Duration>) -> 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<Option<Duration>> {
|
||||
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<Option<Duration>> {
|
||||
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<Option<io::Error>> {
|
||||
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<usize> {
|
||||
io::Read::read(&mut &*self, buf)
|
||||
}
|
||||
|
||||
#[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<usize> {
|
||||
self.0.read(buf)
|
||||
}
|
||||
|
||||
#[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<usize> {
|
||||
io::Write::write(&mut &*self, buf)
|
||||
}
|
||||
|
||||
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<usize> {
|
||||
self.0.write(buf)
|
||||
}
|
||||
|
||||
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 = "into_raw_os", since = "1.4.0")]
|
||||
#[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 = "into_raw_os", since = "1.4.0")]
|
||||
#[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 = "into_raw_os", since = "1.4.0")]
|
||||
#[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);
|
||||
|
|
@ -112,7 +645,7 @@ impl FromRawFd for net::TcpStream {
|
|||
}
|
||||
}
|
||||
|
||||
#[stable(feature = "into_raw_os", since = "1.4.0")]
|
||||
#[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);
|
||||
|
|
@ -120,7 +653,7 @@ impl FromRawFd for net::TcpListener {
|
|||
}
|
||||
}
|
||||
|
||||
#[stable(feature = "into_raw_os", since = "1.4.0")]
|
||||
#[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);
|
||||
|
|
@ -147,6 +680,300 @@ impl IntoRawFd for net::UdpSocket {
|
|||
}
|
||||
}
|
||||
|
||||
/// 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<P: AsRef<Path>>(path: P) -> io::Result<UnixListener> {
|
||||
fn inner(path: &Path) -> io::Result<UnixListener> {
|
||||
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<UnixListener> {
|
||||
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> {
|
||||
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<Option<io::Error>> {
|
||||
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<UnixStream>;
|
||||
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<UnixStream>;
|
||||
|
||||
fn next(&mut self) -> Option<io::Result<UnixStream>> {
|
||||
Some(self.listener.accept().map(|s| s.0))
|
||||
}
|
||||
|
||||
fn size_hint(&self) -> (usize, Option<usize>) {
|
||||
(usize::max_value(), None)
|
||||
}
|
||||
}
|
||||
|
||||
/// A Unix datagram socket.
|
||||
///
|
||||
/// # Examples
|
||||
|
|
@ -323,9 +1150,7 @@ impl UnixDatagram {
|
|||
/// ```
|
||||
#[stable(feature = "unix_socket", since = "1.10.0")]
|
||||
pub fn local_addr(&self) -> io::Result<SocketAddr> {
|
||||
inner::SocketAddr::new(|addr, len| unsafe {
|
||||
libc::getsockname(*self.0.as_inner(), addr, len)
|
||||
}).map(SocketAddr)
|
||||
SocketAddr::new(|addr, len| unsafe { libc::getsockname(*self.0.as_inner(), addr, len) })
|
||||
}
|
||||
|
||||
/// Returns the address of this socket's peer.
|
||||
|
|
@ -346,9 +1171,7 @@ impl UnixDatagram {
|
|||
/// ```
|
||||
#[stable(feature = "unix_socket", since = "1.10.0")]
|
||||
pub fn peer_addr(&self) -> io::Result<SocketAddr> {
|
||||
inner::SocketAddr::new(|addr, len| unsafe {
|
||||
libc::getsockname(*self.0.as_inner(), addr, len)
|
||||
}).map(SocketAddr)
|
||||
SocketAddr::new(|addr, len| unsafe { libc::getpeername(*self.0.as_inner(), addr, len) })
|
||||
}
|
||||
|
||||
/// Receives data from the socket.
|
||||
|
|
@ -371,7 +1194,7 @@ impl UnixDatagram {
|
|||
#[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(inner::SocketAddr::new(|addr, len| {
|
||||
let addr = SocketAddr::new(|addr, len| {
|
||||
unsafe {
|
||||
count = libc::recvfrom(*self.0.as_inner(),
|
||||
buf.as_mut_ptr() as *mut _,
|
||||
|
|
@ -387,7 +1210,7 @@ impl UnixDatagram {
|
|||
-1
|
||||
}
|
||||
}
|
||||
})?);
|
||||
})?;
|
||||
|
||||
Ok((count as usize, addr))
|
||||
}
|
||||
|
|
|
|||
|
|
@ -55,9 +55,6 @@ pub mod wtf8;
|
|||
pub mod bytestring;
|
||||
pub mod process;
|
||||
|
||||
#[cfg(any(all(unix, not(target_os = "emscripten")), target_os = "redox"))]
|
||||
pub(crate) mod unixsocket;
|
||||
|
||||
cfg_if! {
|
||||
if #[cfg(any(target_os = "cloudabi", target_os = "l4re", target_os = "redox"))] {
|
||||
pub use sys::net;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue