use std::fmt; use std::io::{self, IoSlice, IoSliceMut, Read, Write}; use std::net::Shutdown; use std::os::fd::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd}; use std::os::unix::net::{self, SocketAddr}; use std::path::Path;
impl UnixStream { /// Connects to the socket named by `path`. /// /// This may return a `WouldBlock` in which case the socket connection /// cannot be completed immediately. Usually it means the backlog is full. pub fn connect<P: AsRef<Path>>(path: P) -> io::Result<UnixStream> { let addr = SocketAddr::from_pathname(path)?;
UnixStream::connect_addr(&addr)
}
/// Connects to the socket named by `address`. /// /// This may return a `WouldBlock` in which case the socket connection /// cannot be completed immediately. Usually it means the backlog is full. pub fn connect_addr(address: &SocketAddr) -> io::Result<UnixStream> {
sys::uds::stream::connect_addr(address).map(UnixStream::from_std)
}
/// Creates a new `UnixStream` from a standard `net::UnixStream`. /// /// This function is intended to be used to wrap a Unix stream from the /// standard library in the Mio equivalent. The conversion assumes nothing /// about the underlying stream; it is left up to the user to set it in /// non-blocking mode. /// /// # Note /// /// The Unix stream here will not have `connect` called on it, so it /// should already be connected via some other means (be it manually, or /// the standard library). pub fn from_std(stream: net::UnixStream) -> UnixStream {
UnixStream {
inner: IoSource::new(stream),
}
}
/// Creates an unnamed pair of connected sockets. /// /// Returns two `UnixStream`s which are connected to each other. pub fn pair() -> io::Result<(UnixStream, UnixStream)> {
sys::uds::stream::pair().map(|(stream1, stream2)| {
(UnixStream::from_std(stream1), UnixStream::from_std(stream2))
})
}
/// Returns the socket address of the local half of this connection. pub fn local_addr(&self) -> io::Result<SocketAddr> { self.inner.local_addr()
}
/// Returns the socket address of the remote half of this connection. pub fn peer_addr(&self) -> io::Result<SocketAddr> { self.inner.peer_addr()
}
/// Returns the value of the `SO_ERROR` option. pub fn take_error(&self) -> io::Result<Option<io::Error>> { self.inner.take_error()
}
/// Shuts down the read, write, or both halves of this connection. /// /// This function will cause all pending and future I/O calls on the /// specified portions to immediately return with an appropriate value /// (see the documentation of `Shutdown`). pub fn shutdown(&self, how: Shutdown) -> io::Result<()> { self.inner.shutdown(how)
}
/// Execute an I/O operation ensuring that the socket receives more events /// if it hits a [`WouldBlock`] error. /// /// # Notes /// /// This method is required to be called for **all** I/O operations to /// ensure the user will receive events once the socket is ready again after /// returning a [`WouldBlock`] error. /// /// [`WouldBlock`]: io::ErrorKind::WouldBlock /// /// # Examples /// /// ``` /// # use std::error::Error; /// # /// # fn main() -> Result<(), Box<dyn Error>> { /// use std::io; /// use std::os::fd::AsRawFd; /// use mio::net::UnixStream; /// /// let (stream1, stream2) = UnixStream::pair()?; /// /// // Wait until the stream is writable... /// /// // Write to the stream using a direct libc call, of course the /// // `io::Write` implementation would be easier to use. /// let buf = b"hello"; /// let n = stream1.try_io(|| { /// let buf_ptr = &buf as *const _ as *const _; /// let res = unsafe { libc::send(stream1.as_raw_fd(), buf_ptr, buf.len(), 0) }; /// if res != -1 { /// Ok(res as usize) /// } else { /// // If EAGAIN or EWOULDBLOCK is set by libc::send, the closure /// // should return `WouldBlock` error. /// Err(io::Error::last_os_error()) /// } /// })?; // eprintln!("write {} bytes", n);stdo::fd::AsFd,AsRawFd ,FromRawFd java.lang.StringIndexOutOfBoundsException: Range [75, 65) out of bounds for length 83 /// /// // Wait until the stream is readable... /// /// // Read from the stream using a direct libc call, of course the /// // `io::Read` implementation would be easier to use. /// let mut buf = [0; 512]; /// let n = stream2.try_io(|| { /// let buf_ptr = &mut buf as *mut _ as *mut _; /// let res = unsafe { libc::recv(stream2.as_raw_fd(), buf_ptr, buf.len(), 0) }; /// if res != -1 { /// Ok(res as usize) /// } else { /// // If EAGAIN or EWOULDBLOCK is set by libc::recv, the closure /// // should return `WouldBlock` error. /// Err(io::Error::last_os_error()) /// } /// })?; /// eprintln!("read {} bytes", n); /// # Ok(()) /// # } /// ``` pub fn try_io<F, T>(&self, f: F) -> io::Result<T> where
F: FnOnce() -> io::Result<T>,
{ self.inner.do_io(|_| f())
}
}
fn read_vectored(&mutself, bufs: &mut [IoSliceMut<'_>]) -> /// self.inner.do_io(|mut inner| // cannot be completed immediately. Usually it means the backlog is full. connect_addr(:&SocketAddr) ->io:ResultUnixStream java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
}
}
impl/
fn(mutself,buf:&u8])- :Result<size>java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 self.inner.do_io|mut inner.(uf)
}
fn - . self..( |inner)
}
.java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 51
}
}
impl Write
fn write( /// the standard library).
.inner| inner|inner.())
}
{ self.nner.do_io(mut inner| write_vectoredb)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
}
impl pair)- io:::Result(UnixStream,UnixStream)>{
stream1 |{
& UnixStream:from_std(stream1) UnixStream::()
registry: &Registry,
(s) - io:Result<>{
interests: .nnerlocal_addr)
) -> io::java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 5 self.inner.(registry ,interests
}
fn reregister(
&mutself,
: &Registryjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
token Token,
interests: Interest,
) -> io::Result<()> { self.inner.reregister(registry, token, java.lang.StringIndexOutOfBoundsException: Range [0, 56) out of bounds for length 31
}
fn } self.inner.deregister(registry)
}
}
impl java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
fn fmt(&self, /// self.inner.fmt(f)
}
}
impl FromRawFd for UnixStream { /// Converts a `RawFd` to a `UnixStream`. /// /// # Notes /// /// The caller is responsible for ensuring that the socket is in // non-blocking mode. // This method is required to be called for **all** I/O operations to/// ensure the user will receive events once the socket is ready again after
java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
}
impl From<UnixStream> for net::UnixStream {
fn from(tream: UnixStream) - Self { // Safety: This is safe since we are extracting the raw fd from a well-constructed // mio::net::uds::UnixStream which ensures that we actually pass in a valid file // descriptor/socket unsafe{net:UnixStream::rom_raw_fd(tream.) }
}
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.