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use std::io;
use std::mem;
use std::net::{TcpListener, TcpStream, UdpSocket};
use std::os::unix::io::FromRawFd;
use libc::{self, c_int};
#[cfg(not(any(target_os = "solaris", target_os = "emscripten")))]
use libc::{ioctl, FIOCLEX};
mod impls;
pub mod c {
pub use libc::*;
pub fn sockaddr_in_u32(sa: &sockaddr_in) -> u32 {
::ntoh((*sa).sin_addr.s_addr)
}
pub fn in_addr_to_u32(addr: &in_addr) -> u32 {
::ntoh(addr.s_addr)
}
}
pub struct Socket {
fd: c_int,
}
impl Socket {
#[cfg(not(any(target_os = "solaris", target_os = "emscripten")))]
pub fn new(family: c_int, ty: c_int) -> io::Result<Socket> {
unsafe {
#[cfg(any(target_os = "linux", target_os = "android"))]
match ::cvt(libc::socket(family, ty | libc::SOCK_CLOEXEC, 0)) {
Ok(fd) => return Ok(Socket { fd: fd }),
Err(ref e) if e.raw_os_error() == Some(libc::EINVAL) => {}
Err(e) => return Err(e),
}
let fd = try!(::cvt(libc::socket(family, ty, 0)));
ioctl(fd, FIOCLEX);
Ok(Socket { fd: fd })
}
}
#[cfg(any(target_os = "solaris", target_os = "emscripten"))]
pub fn new(family: c_int, ty: c_int) -> io::Result<Socket> {
unsafe {
let fd = try!(::cvt(libc::socket(family, ty, 0)));
libc::fcntl(fd, libc::FD_CLOEXEC);
Ok(Socket { fd: fd })
}
}
pub fn raw(&self) -> c_int { self.fd }
fn into_fd(self) -> c_int {
let fd = self.fd;
mem::forget(self);
fd
}
pub fn into_tcp_listener(self) -> TcpListener {
unsafe { TcpListener::from_raw_fd(self.into_fd()) }
}
pub fn into_tcp_stream(self) -> TcpStream {
unsafe { TcpStream::from_raw_fd(self.into_fd()) }
}
pub fn into_udp_socket(self) -> UdpSocket {
unsafe { UdpSocket::from_raw_fd(self.into_fd()) }
}
}
impl ::FromInner for Socket {
type Inner = c_int;
fn from_inner(fd: c_int) -> Socket {
Socket { fd: fd }
}
}
impl Drop for Socket {
fn drop(&mut self) {
unsafe {
let _ = libc::close(self.fd);
}
}
}