1.10.0[−][src]Struct std::os::unix::net::UnixDatagram
A Unix datagram socket.
Examples
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]);Run
Methods
impl UnixDatagram
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pub fn bind<P: AsRef<Path>>(path: P) -> Result<UnixDatagram>
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Creates a Unix datagram socket bound to the given path.
Examples
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 } };Run
pub fn unbound() -> Result<UnixDatagram>
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Creates a Unix Datagram socket which is not bound to any address.
Examples
use std::os::unix::net::UnixDatagram; let sock = match UnixDatagram::unbound() { Ok(sock) => sock, Err(e) => { println!("Couldn't unbound: {:?}", e); return } };Run
pub fn pair() -> Result<(UnixDatagram, UnixDatagram)>
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Creates an unnamed pair of connected sockets.
Returns two UnixDatagrams
s which are connected to each other.
Examples
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 } };Run
pub fn connect<P: AsRef<Path>>(&self, path: P) -> Result<()>
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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.
Examples
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 } };Run
pub fn try_clone(&self) -> Result<UnixDatagram>
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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
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");Run
pub fn local_addr(&self) -> Result<SocketAddr>
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Returns the address of this socket.
Examples
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");Run
pub fn peer_addr(&self) -> Result<SocketAddr>
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Returns the address of this socket's peer.
The connect
method will connect the socket to a peer.
Examples
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");Run
pub fn recv_from(&self, buf: &mut [u8]) -> Result<(usize, SocketAddr)>
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Receives data from the socket.
On success, returns the number of bytes read and the address from whence the data came.
Examples
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), }Run
pub fn recv(&self, buf: &mut [u8]) -> Result<usize>
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Receives data from the socket.
On success, returns the number of bytes read.
Examples
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");Run
pub fn send_to<P: AsRef<Path>>(&self, buf: &[u8], path: P) -> Result<usize>
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Sends data on the socket to the specified address.
On success, returns the number of bytes written.
Examples
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");Run
pub fn send(&self, buf: &[u8]) -> Result<usize>
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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
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");Run
pub fn set_read_timeout(&self, timeout: Option<Duration>) -> Result<()>
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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.
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");Run
An Err
is returned if the zero Duration
is passed to this
method:
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)Run
pub fn set_write_timeout(&self, timeout: Option<Duration>) -> Result<()>
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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.
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");Run
An Err
is returned if the zero Duration
is passed to this
method:
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)Run
pub fn read_timeout(&self) -> Result<Option<Duration>>
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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)));Run
pub fn write_timeout(&self) -> Result<Option<Duration>>
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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)));Run
pub fn set_nonblocking(&self, nonblocking: bool) -> Result<()>
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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");Run
pub fn take_error(&self) -> Result<Option<Error>>
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Returns the value of the SO_ERROR
option.
Examples
use std::os::unix::net::UnixDatagram; let sock = UnixDatagram::unbound().unwrap(); if let Ok(Some(err)) = sock.take_error() { println!("Got error: {:?}", err); }Run
pub fn shutdown(&self, how: Shutdown) -> Result<()>
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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
).
use std::os::unix::net::UnixDatagram; use std::net::Shutdown; let sock = UnixDatagram::unbound().unwrap(); sock.shutdown(Shutdown::Both).expect("shutdown function failed");Run
Trait Implementations
impl AsRawFd for UnixDatagram
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impl FromRawFd for UnixDatagram
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unsafe fn from_raw_fd(fd: RawFd) -> UnixDatagram
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impl IntoRawFd for UnixDatagram
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fn into_raw_fd(self) -> RawFd
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impl Debug for UnixDatagram
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Auto Trait Implementations
impl UnwindSafe for UnixDatagram
impl RefUnwindSafe for UnixDatagram
impl Unpin for UnixDatagram
impl Send for UnixDatagram
impl Sync for UnixDatagram
Blanket Implementations
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
ⓘImportant traits for &'_ mut Ffn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,