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//! Unix-specific extensions to the `std::net` types.
use std::io;
use sys::c::{self, c_int};
use {TcpBuilder, UdpBuilder};
use ext::{self, AsSock};
/// Unix-specific extensions for the `TcpBuilder` type in this library.
pub trait UnixTcpBuilderExt {
/// Set value for the `SO_REUSEPORT` option on this socket.
///
/// This indicates that further calls to `bind` may allow reuse of local
/// addresses. For IPv4 sockets this means that a socket may bind even when
/// there's a socket already listening on this port.
fn reuse_port(&self, reuse: bool) -> io::Result<&Self>;
/// Check the value of the `SO_REUSEPORT` option on this socket.
fn get_reuse_port(&self) -> io::Result<bool>;
}
impl UnixTcpBuilderExt for TcpBuilder {
fn reuse_port(&self, reuse: bool) -> io::Result<&Self> {
ext::set_opt(self.as_sock(), c::SOL_SOCKET, c::SO_REUSEPORT,
reuse as c_int).map(|()| self)
}
fn get_reuse_port(&self) -> io::Result<bool> {
ext::get_opt(self.as_sock(), c::SOL_SOCKET, c::SO_REUSEPORT)
.map(ext::int2bool)
}
}
/// Unix-specific extensions for the `UdpBuilder` type in this library.
pub trait UnixUdpBuilderExt {
/// Set value for the `SO_REUSEPORT` option on this socket.
///
/// This indicates that further calls to `bind` may allow reuse of local
/// addresses. For IPv4 sockets this means that a socket may bind even when
/// there's a socket already listening on this port.
fn reuse_port(&self, reuse: bool) -> io::Result<&Self>;
/// Check the value of the `SO_REUSEPORT` option on this socket.
fn get_reuse_port(&self) -> io::Result<bool>;
}
impl UnixUdpBuilderExt for UdpBuilder {
fn reuse_port(&self, reuse: bool) -> io::Result<&Self> {
ext::set_opt(self.as_sock(), c::SOL_SOCKET, c::SO_REUSEPORT,
reuse as c_int).map(|()| self)
}
fn get_reuse_port(&self) -> io::Result<bool> {
ext::get_opt(self.as_sock(), c::SOL_SOCKET, c::SO_REUSEPORT)
.map(ext::int2bool)
}
}