blob: 2239880ffbef45079d504387ac2368469a50850d [file] [log] [blame]
#![deny(unsafe_op_in_unsafe_fn)]
use super::err2io;
use super::fd::WasiFd;
use crate::fmt;
use crate::io::{self, BorrowedCursor, IoSlice, IoSliceMut};
use crate::net::{Ipv4Addr, Ipv6Addr, Shutdown, SocketAddr};
use crate::os::wasi::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};
use crate::sys::unsupported;
use crate::sys_common::{AsInner, FromInner, IntoInner};
use crate::time::Duration;
pub struct Socket(WasiFd);
pub struct TcpStream {
inner: Socket,
}
impl AsInner<WasiFd> for Socket {
#[inline]
fn as_inner(&self) -> &WasiFd {
&self.0
}
}
impl IntoInner<WasiFd> for Socket {
fn into_inner(self) -> WasiFd {
self.0
}
}
impl FromInner<WasiFd> for Socket {
fn from_inner(inner: WasiFd) -> Socket {
Socket(inner)
}
}
impl AsFd for Socket {
fn as_fd(&self) -> BorrowedFd<'_> {
self.0.as_fd()
}
}
impl AsRawFd for Socket {
#[inline]
fn as_raw_fd(&self) -> RawFd {
self.0.as_raw_fd()
}
}
impl IntoRawFd for Socket {
fn into_raw_fd(self) -> RawFd {
self.0.into_raw_fd()
}
}
impl FromRawFd for Socket {
unsafe fn from_raw_fd(raw_fd: RawFd) -> Self {
unsafe { Self(FromRawFd::from_raw_fd(raw_fd)) }
}
}
impl TcpStream {
pub fn connect(_: io::Result<&SocketAddr>) -> io::Result<TcpStream> {
unsupported()
}
pub fn connect_timeout(_: &SocketAddr, _: Duration) -> io::Result<TcpStream> {
unsupported()
}
pub fn set_read_timeout(&self, _: Option<Duration>) -> io::Result<()> {
unsupported()
}
pub fn set_write_timeout(&self, _: Option<Duration>) -> io::Result<()> {
unsupported()
}
pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
unsupported()
}
pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
unsupported()
}
pub fn peek(&self, _: &mut [u8]) -> io::Result<usize> {
unsupported()
}
pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
self.read_vectored(&mut [IoSliceMut::new(buf)])
}
pub fn read_buf(&self, buf: BorrowedCursor<'_>) -> io::Result<()> {
self.socket().as_inner().read_buf(buf)
}
pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
self.socket().as_inner().read(bufs)
}
pub fn is_read_vectored(&self) -> bool {
true
}
pub fn write(&self, buf: &[u8]) -> io::Result<usize> {
self.write_vectored(&[IoSlice::new(buf)])
}
pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
self.socket().as_inner().write(bufs)
}
pub fn is_write_vectored(&self) -> bool {
true
}
pub fn peer_addr(&self) -> io::Result<SocketAddr> {
unsupported()
}
pub fn socket_addr(&self) -> io::Result<SocketAddr> {
unsupported()
}
pub fn shutdown(&self, how: Shutdown) -> io::Result<()> {
let wasi_how = match how {
Shutdown::Read => wasi::SDFLAGS_RD,
Shutdown::Write => wasi::SDFLAGS_WR,
Shutdown::Both => wasi::SDFLAGS_RD | wasi::SDFLAGS_WR,
};
unsafe { wasi::sock_shutdown(self.socket().as_raw_fd() as _, wasi_how).map_err(err2io) }
}
pub fn duplicate(&self) -> io::Result<TcpStream> {
unsupported()
}
pub fn set_linger(&self, _: Option<Duration>) -> io::Result<()> {
unsupported()
}
pub fn linger(&self) -> io::Result<Option<Duration>> {
unsupported()
}
pub fn set_nodelay(&self, _: bool) -> io::Result<()> {
unsupported()
}
pub fn nodelay(&self) -> io::Result<bool> {
unsupported()
}
pub fn set_ttl(&self, _: u32) -> io::Result<()> {
unsupported()
}
pub fn ttl(&self) -> io::Result<u32> {
unsupported()
}
pub fn take_error(&self) -> io::Result<Option<io::Error>> {
unsupported()
}
pub fn set_nonblocking(&self, state: bool) -> io::Result<()> {
let fdstat = unsafe {
wasi::fd_fdstat_get(self.socket().as_inner().as_raw_fd() as wasi::Fd).map_err(err2io)?
};
let mut flags = fdstat.fs_flags;
if state {
flags |= wasi::FDFLAGS_NONBLOCK;
} else {
flags &= !wasi::FDFLAGS_NONBLOCK;
}
unsafe {
wasi::fd_fdstat_set_flags(self.socket().as_inner().as_raw_fd() as wasi::Fd, flags)
.map_err(err2io)
}
}
#[inline]
pub fn socket(&self) -> &Socket {
&self.inner
}
pub fn into_socket(self) -> Socket {
self.inner
}
}
impl FromInner<Socket> for TcpStream {
fn from_inner(socket: Socket) -> TcpStream {
TcpStream { inner: socket }
}
}
impl fmt::Debug for TcpStream {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("TcpStream").field("fd", &self.inner.as_raw_fd()).finish()
}
}
pub struct TcpListener {
inner: Socket,
}
impl TcpListener {
pub fn bind(_: io::Result<&SocketAddr>) -> io::Result<TcpListener> {
unsupported()
}
pub fn socket_addr(&self) -> io::Result<SocketAddr> {
unsupported()
}
pub fn accept(&self) -> io::Result<(TcpStream, SocketAddr)> {
let fd = unsafe {
wasi::sock_accept(self.as_inner().as_inner().as_raw_fd() as _, 0).map_err(err2io)?
};
Ok((
TcpStream::from_inner(unsafe { Socket::from_raw_fd(fd as _) }),
// WASI has no concept of SocketAddr yet
// return an unspecified IPv4Addr
SocketAddr::new(Ipv4Addr::UNSPECIFIED.into(), 0),
))
}
pub fn duplicate(&self) -> io::Result<TcpListener> {
unsupported()
}
pub fn set_ttl(&self, _: u32) -> io::Result<()> {
unsupported()
}
pub fn ttl(&self) -> io::Result<u32> {
unsupported()
}
pub fn set_only_v6(&self, _: bool) -> io::Result<()> {
unsupported()
}
pub fn only_v6(&self) -> io::Result<bool> {
unsupported()
}
pub fn take_error(&self) -> io::Result<Option<io::Error>> {
unsupported()
}
pub fn set_nonblocking(&self, state: bool) -> io::Result<()> {
let fdstat = unsafe {
wasi::fd_fdstat_get(self.socket().as_inner().as_raw_fd() as wasi::Fd).map_err(err2io)?
};
let mut flags = fdstat.fs_flags;
if state {
flags |= wasi::FDFLAGS_NONBLOCK;
} else {
flags &= !wasi::FDFLAGS_NONBLOCK;
}
unsafe {
wasi::fd_fdstat_set_flags(self.socket().as_inner().as_raw_fd() as wasi::Fd, flags)
.map_err(err2io)
}
}
#[inline]
pub fn socket(&self) -> &Socket {
&self.inner
}
pub fn into_socket(self) -> Socket {
self.inner
}
}
impl AsInner<Socket> for TcpListener {
#[inline]
fn as_inner(&self) -> &Socket {
&self.inner
}
}
impl IntoInner<Socket> for TcpListener {
fn into_inner(self) -> Socket {
self.inner
}
}
impl FromInner<Socket> for TcpListener {
fn from_inner(inner: Socket) -> TcpListener {
TcpListener { inner }
}
}
impl fmt::Debug for TcpListener {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("TcpListener").field("fd", &self.inner.as_raw_fd()).finish()
}
}
pub struct UdpSocket {
inner: Socket,
}
impl UdpSocket {
pub fn bind(_: io::Result<&SocketAddr>) -> io::Result<UdpSocket> {
unsupported()
}
pub fn peer_addr(&self) -> io::Result<SocketAddr> {
unsupported()
}
pub fn socket_addr(&self) -> io::Result<SocketAddr> {
unsupported()
}
pub fn recv_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
unsupported()
}
pub fn peek_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
unsupported()
}
pub fn send_to(&self, _: &[u8], _: &SocketAddr) -> io::Result<usize> {
unsupported()
}
pub fn duplicate(&self) -> io::Result<UdpSocket> {
unsupported()
}
pub fn set_read_timeout(&self, _: Option<Duration>) -> io::Result<()> {
unsupported()
}
pub fn set_write_timeout(&self, _: Option<Duration>) -> io::Result<()> {
unsupported()
}
pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
unsupported()
}
pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
unsupported()
}
pub fn set_broadcast(&self, _: bool) -> io::Result<()> {
unsupported()
}
pub fn broadcast(&self) -> io::Result<bool> {
unsupported()
}
pub fn set_multicast_loop_v4(&self, _: bool) -> io::Result<()> {
unsupported()
}
pub fn multicast_loop_v4(&self) -> io::Result<bool> {
unsupported()
}
pub fn set_multicast_ttl_v4(&self, _: u32) -> io::Result<()> {
unsupported()
}
pub fn multicast_ttl_v4(&self) -> io::Result<u32> {
unsupported()
}
pub fn set_multicast_loop_v6(&self, _: bool) -> io::Result<()> {
unsupported()
}
pub fn multicast_loop_v6(&self) -> io::Result<bool> {
unsupported()
}
pub fn join_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
unsupported()
}
pub fn join_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
unsupported()
}
pub fn leave_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
unsupported()
}
pub fn leave_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
unsupported()
}
pub fn set_ttl(&self, _: u32) -> io::Result<()> {
unsupported()
}
pub fn ttl(&self) -> io::Result<u32> {
unsupported()
}
pub fn take_error(&self) -> io::Result<Option<io::Error>> {
unsupported()
}
pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
unsupported()
}
pub fn recv(&self, _: &mut [u8]) -> io::Result<usize> {
unsupported()
}
pub fn peek(&self, _: &mut [u8]) -> io::Result<usize> {
unsupported()
}
pub fn send(&self, _: &[u8]) -> io::Result<usize> {
unsupported()
}
pub fn connect(&self, _: io::Result<&SocketAddr>) -> io::Result<()> {
unsupported()
}
#[inline]
pub fn socket(&self) -> &Socket {
&self.inner
}
pub fn into_socket(self) -> Socket {
self.inner
}
}
impl AsInner<Socket> for UdpSocket {
#[inline]
fn as_inner(&self) -> &Socket {
&self.inner
}
}
impl IntoInner<Socket> for UdpSocket {
fn into_inner(self) -> Socket {
self.inner
}
}
impl FromInner<Socket> for UdpSocket {
fn from_inner(inner: Socket) -> UdpSocket {
UdpSocket { inner }
}
}
impl fmt::Debug for UdpSocket {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("UdpSocket").field("fd", &self.inner.as_raw_fd()).finish()
}
}
pub struct LookupHost(!);
impl LookupHost {
pub fn port(&self) -> u16 {
self.0
}
}
impl Iterator for LookupHost {
type Item = SocketAddr;
fn next(&mut self) -> Option<SocketAddr> {
self.0
}
}
impl<'a> TryFrom<&'a str> for LookupHost {
type Error = io::Error;
fn try_from(_v: &'a str) -> io::Result<LookupHost> {
unsupported()
}
}
impl<'a> TryFrom<(&'a str, u16)> for LookupHost {
type Error = io::Error;
fn try_from(_v: (&'a str, u16)) -> io::Result<LookupHost> {
unsupported()
}
}
#[allow(nonstandard_style)]
pub mod netc {
pub const AF_INET: u8 = 0;
pub const AF_INET6: u8 = 1;
pub type sa_family_t = u8;
#[derive(Copy, Clone)]
pub struct in_addr {
pub s_addr: u32,
}
#[derive(Copy, Clone)]
pub struct sockaddr_in {
pub sin_family: sa_family_t,
pub sin_port: u16,
pub sin_addr: in_addr,
}
#[derive(Copy, Clone)]
pub struct in6_addr {
pub s6_addr: [u8; 16],
}
#[derive(Copy, Clone)]
pub struct sockaddr_in6 {
pub sin6_family: sa_family_t,
pub sin6_port: u16,
pub sin6_addr: in6_addr,
pub sin6_flowinfo: u32,
pub sin6_scope_id: u32,
}
#[derive(Copy, Clone)]
pub struct sockaddr {}
}