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use std::io;
use std::net::{self, SocketAddr};
use std::os::windows::io::AsRawSocket;
use windows_sys::Win32::Networking::WinSock::{self, SOCKET, SOCKET_ERROR, SOCK_STREAM};
use crate::sys::windows::net::{new_ip_socket, socket_addr};
pub(crate) fn new_for_addr(address: SocketAddr) -> io::Result<SOCKET> {
new_ip_socket(address, SOCK_STREAM)
}
pub(crate) fn bind(socket: &net::TcpListener, addr: SocketAddr) -> io::Result<()> {
use WinSock::bind;
let (raw_addr, raw_addr_length) = socket_addr(&addr);
syscall!(
bind(
socket.as_raw_socket() as _,
raw_addr.as_ptr(),
raw_addr_length
),
PartialEq::eq,
SOCKET_ERROR
)?;
Ok(())
}
pub(crate) fn connect(socket: &net::TcpStream, addr: SocketAddr) -> io::Result<()> {
use WinSock::connect;
let (raw_addr, raw_addr_length) = socket_addr(&addr);
let res = syscall!(
connect(
socket.as_raw_socket() as _,
raw_addr.as_ptr(),
raw_addr_length
),
PartialEq::eq,
SOCKET_ERROR
);
match res {
Err(err) if err.kind() != io::ErrorKind::WouldBlock => Err(err),
_ => Ok(()),
}
}
pub(crate) fn listen(socket: &net::TcpListener, backlog: u32) -> io::Result<()> {
use std::convert::TryInto;
use WinSock::listen;
let backlog = backlog.try_into().unwrap_or(i32::MAX);
syscall!(
listen(socket.as_raw_socket() as _, backlog),
PartialEq::eq,
SOCKET_ERROR
)?;
Ok(())
}
pub(crate) fn accept(listener: &net::TcpListener) -> io::Result<(net::TcpStream, SocketAddr)> {
// The non-blocking state of `listener` is inherited. See
listener.accept()
}