1 use crate::convert::TryFrom;
3 use crate::io::{self, ErrorKind, IoSlice, IoSliceMut};
4 use crate::net::{IpAddr, Ipv4Addr, Ipv6Addr, Shutdown, SocketAddr};
7 use crate::sys::hermit::abi;
8 use crate::sys::hermit::abi::IpAddress::{Ipv4, Ipv6};
9 use crate::sys::{unsupported, Void};
10 use crate::sys_common::AsInner;
11 use crate::time::Duration;
13 /// Checks whether the HermitCore's socket interface has been started already, and
14 /// if not, starts it.
15 pub fn init() -> io::Result<()> {
16 if abi::network_init() < 0 {
17 return Err(io::Error::new(ErrorKind::Other, "Unable to initialize network interface"));
23 #[derive(Debug, Clone)]
24 pub struct Socket(abi::Handle);
26 impl AsInner<abi::Handle> for Socket {
27 fn as_inner(&self) -> &abi::Handle {
32 impl Drop for Socket {
34 let _ = abi::tcpstream::close(self.0);
38 // Arc is used to count the number of used sockets.
39 // Only if all sockets are released, the drop
40 // method will close the socket.
42 pub struct TcpStream(Arc<Socket>);
45 pub fn connect(addr: io::Result<&SocketAddr>) -> io::Result<TcpStream> {
48 match abi::tcpstream::connect(addr.ip().to_string().as_bytes(), addr.port(), None) {
49 Ok(handle) => Ok(TcpStream(Arc::new(Socket(handle)))),
51 Err(io::Error::new(ErrorKind::Other, "Unable to initiate a connection on a socket"))
56 pub fn connect_timeout(saddr: &SocketAddr, duration: Duration) -> io::Result<TcpStream> {
57 match abi::tcpstream::connect(
58 saddr.ip().to_string().as_bytes(),
60 Some(duration.as_millis() as u64),
62 Ok(handle) => Ok(TcpStream(Arc::new(Socket(handle)))),
64 Err(io::Error::new(ErrorKind::Other, "Unable to initiate a connection on a socket"))
69 pub fn set_read_timeout(&self, duration: Option<Duration>) -> io::Result<()> {
70 abi::tcpstream::set_read_timeout(*self.0.as_inner(), duration.map(|d| d.as_millis() as u64))
71 .map_err(|_| io::Error::new(ErrorKind::Other, "Unable to set timeout value"))
74 pub fn set_write_timeout(&self, duration: Option<Duration>) -> io::Result<()> {
75 abi::tcpstream::set_write_timeout(
77 duration.map(|d| d.as_millis() as u64),
79 .map_err(|_| io::Error::new(ErrorKind::Other, "Unable to set timeout value"))
82 pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
83 let duration = abi::tcpstream::get_read_timeout(*self.0.as_inner())
84 .map_err(|_| io::Error::new(ErrorKind::Other, "Unable to determine timeout value"))?;
86 Ok(duration.map(|d| Duration::from_millis(d)))
89 pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
90 let duration = abi::tcpstream::get_write_timeout(*self.0.as_inner())
91 .map_err(|_| io::Error::new(ErrorKind::Other, "Unable to determine timeout value"))?;
93 Ok(duration.map(|d| Duration::from_millis(d)))
96 pub fn peek(&self, buf: &mut [u8]) -> io::Result<usize> {
97 abi::tcpstream::peek(*self.0.as_inner(), buf)
98 .map_err(|_| io::Error::new(ErrorKind::Other, "set_nodelay failed"))
101 pub fn read(&self, buffer: &mut [u8]) -> io::Result<usize> {
102 self.read_vectored(&mut [IoSliceMut::new(buffer)])
105 pub fn read_vectored(&self, ioslice: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
106 let mut size: usize = 0;
108 for i in ioslice.iter_mut() {
109 let ret = abi::tcpstream::read(*self.0.as_inner(), &mut i[0..])
110 .map_err(|_| io::Error::new(ErrorKind::Other, "Unable to read on socket"))?;
121 pub fn is_read_vectored(&self) -> bool {
125 pub fn write(&self, buffer: &[u8]) -> io::Result<usize> {
126 self.write_vectored(&[IoSlice::new(buffer)])
129 pub fn write_vectored(&self, ioslice: &[IoSlice<'_>]) -> io::Result<usize> {
130 let mut size: usize = 0;
132 for i in ioslice.iter() {
133 size += abi::tcpstream::write(*self.0.as_inner(), i)
134 .map_err(|_| io::Error::new(ErrorKind::Other, "Unable to write on socket"))?;
141 pub fn is_write_vectored(&self) -> bool {
145 pub fn peer_addr(&self) -> io::Result<SocketAddr> {
146 let (ipaddr, port) = abi::tcpstream::peer_addr(*self.0.as_inner())
147 .map_err(|_| io::Error::new(ErrorKind::Other, "peer_addr failed"))?;
149 let saddr = match ipaddr {
150 Ipv4(ref addr) => SocketAddr::new(
151 IpAddr::V4(Ipv4Addr::new(addr.0[0], addr.0[1], addr.0[2], addr.0[3])),
154 Ipv6(ref addr) => SocketAddr::new(IpAddr::V6(Ipv6Addr::from(addr.0)), port),
156 return Err(io::Error::new(ErrorKind::Other, "peer_addr failed"));
163 pub fn socket_addr(&self) -> io::Result<SocketAddr> {
164 Err(io::Error::new(ErrorKind::Other, "socket_addr isn't supported"))
167 pub fn shutdown(&self, how: Shutdown) -> io::Result<()> {
168 abi::tcpstream::shutdown(*self.0.as_inner(), how as i32)
169 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to shutdown socket"))
172 pub fn duplicate(&self) -> io::Result<TcpStream> {
176 pub fn set_nodelay(&self, mode: bool) -> io::Result<()> {
177 abi::tcpstream::set_nodelay(*self.0.as_inner(), mode)
178 .map_err(|_| io::Error::new(ErrorKind::Other, "set_nodelay failed"))
181 pub fn nodelay(&self) -> io::Result<bool> {
182 abi::tcpstream::nodelay(*self.0.as_inner())
183 .map_err(|_| io::Error::new(ErrorKind::Other, "nodelay failed"))
186 pub fn set_ttl(&self, tll: u32) -> io::Result<()> {
187 abi::tcpstream::set_tll(*self.0.as_inner(), tll)
188 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to set TTL"))
191 pub fn ttl(&self) -> io::Result<u32> {
192 abi::tcpstream::get_tll(*self.0.as_inner())
193 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to get TTL"))
196 pub fn take_error(&self) -> io::Result<Option<io::Error>> {
197 Err(io::Error::new(ErrorKind::Other, "take_error isn't supported"))
200 pub fn set_nonblocking(&self, mode: bool) -> io::Result<()> {
201 abi::tcpstream::set_nonblocking(*self.0.as_inner(), mode)
202 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to set blocking mode"))
206 impl fmt::Debug for TcpStream {
207 fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
213 pub struct TcpListener(SocketAddr);
216 pub fn bind(addr: io::Result<&SocketAddr>) -> io::Result<TcpListener> {
219 Ok(TcpListener(*addr))
222 pub fn socket_addr(&self) -> io::Result<SocketAddr> {
226 pub fn accept(&self) -> io::Result<(TcpStream, SocketAddr)> {
227 let (handle, ipaddr, port) = abi::tcplistener::accept(self.0.port())
228 .map_err(|_| io::Error::new(ErrorKind::Other, "accept failed"))?;
229 let saddr = match ipaddr {
230 Ipv4(ref addr) => SocketAddr::new(
231 IpAddr::V4(Ipv4Addr::new(addr.0[0], addr.0[1], addr.0[2], addr.0[3])),
234 Ipv6(ref addr) => SocketAddr::new(IpAddr::V6(Ipv6Addr::from(addr.0)), port),
236 return Err(io::Error::new(ErrorKind::Other, "accept failed"));
240 Ok((TcpStream(Arc::new(Socket(handle))), saddr))
243 pub fn duplicate(&self) -> io::Result<TcpListener> {
247 pub fn set_ttl(&self, _: u32) -> io::Result<()> {
248 Err(io::Error::new(ErrorKind::Other, "not supported"))
251 pub fn ttl(&self) -> io::Result<u32> {
252 Err(io::Error::new(ErrorKind::Other, "not supported"))
255 pub fn set_only_v6(&self, _: bool) -> io::Result<()> {
256 Err(io::Error::new(ErrorKind::Other, "not supported"))
259 pub fn only_v6(&self) -> io::Result<bool> {
260 Err(io::Error::new(ErrorKind::Other, "not supported"))
263 pub fn take_error(&self) -> io::Result<Option<io::Error>> {
264 Err(io::Error::new(ErrorKind::Other, "not supported"))
267 pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
268 Err(io::Error::new(ErrorKind::Other, "not supported"))
272 impl fmt::Debug for TcpListener {
273 fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
278 pub struct UdpSocket(abi::Handle);
281 pub fn bind(_: io::Result<&SocketAddr>) -> io::Result<UdpSocket> {
282 Err(io::Error::new(ErrorKind::Other, "not supported"))
285 pub fn peer_addr(&self) -> io::Result<SocketAddr> {
286 Err(io::Error::new(ErrorKind::Other, "not supported"))
289 pub fn socket_addr(&self) -> io::Result<SocketAddr> {
290 Err(io::Error::new(ErrorKind::Other, "not supported"))
293 pub fn recv_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
294 Err(io::Error::new(ErrorKind::Other, "not supported"))
297 pub fn peek_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
298 Err(io::Error::new(ErrorKind::Other, "not supported"))
301 pub fn send_to(&self, _: &[u8], _: &SocketAddr) -> io::Result<usize> {
302 Err(io::Error::new(ErrorKind::Other, "not supported"))
305 pub fn duplicate(&self) -> io::Result<UdpSocket> {
306 Err(io::Error::new(ErrorKind::Other, "not supported"))
309 pub fn set_read_timeout(&self, _: Option<Duration>) -> io::Result<()> {
310 Err(io::Error::new(ErrorKind::Other, "not supported"))
313 pub fn set_write_timeout(&self, _: Option<Duration>) -> io::Result<()> {
314 Err(io::Error::new(ErrorKind::Other, "not supported"))
317 pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
318 Err(io::Error::new(ErrorKind::Other, "not supported"))
321 pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
322 Err(io::Error::new(ErrorKind::Other, "not supported"))
325 pub fn set_broadcast(&self, _: bool) -> io::Result<()> {
326 Err(io::Error::new(ErrorKind::Other, "not supported"))
329 pub fn broadcast(&self) -> io::Result<bool> {
330 Err(io::Error::new(ErrorKind::Other, "not supported"))
333 pub fn set_multicast_loop_v4(&self, _: bool) -> io::Result<()> {
334 Err(io::Error::new(ErrorKind::Other, "not supported"))
337 pub fn multicast_loop_v4(&self) -> io::Result<bool> {
338 Err(io::Error::new(ErrorKind::Other, "not supported"))
341 pub fn set_multicast_ttl_v4(&self, _: u32) -> io::Result<()> {
342 Err(io::Error::new(ErrorKind::Other, "not supported"))
345 pub fn multicast_ttl_v4(&self) -> io::Result<u32> {
346 Err(io::Error::new(ErrorKind::Other, "not supported"))
349 pub fn set_multicast_loop_v6(&self, _: bool) -> io::Result<()> {
350 Err(io::Error::new(ErrorKind::Other, "not supported"))
353 pub fn multicast_loop_v6(&self) -> io::Result<bool> {
354 Err(io::Error::new(ErrorKind::Other, "not supported"))
357 pub fn join_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
358 Err(io::Error::new(ErrorKind::Other, "not supported"))
361 pub fn join_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
362 Err(io::Error::new(ErrorKind::Other, "not supported"))
365 pub fn leave_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
366 Err(io::Error::new(ErrorKind::Other, "not supported"))
369 pub fn leave_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
370 Err(io::Error::new(ErrorKind::Other, "not supported"))
373 pub fn set_ttl(&self, _: u32) -> io::Result<()> {
374 Err(io::Error::new(ErrorKind::Other, "not supported"))
377 pub fn ttl(&self) -> io::Result<u32> {
378 Err(io::Error::new(ErrorKind::Other, "not supported"))
381 pub fn take_error(&self) -> io::Result<Option<io::Error>> {
382 Err(io::Error::new(ErrorKind::Other, "not supported"))
385 pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
386 Err(io::Error::new(ErrorKind::Other, "not supported"))
389 pub fn recv(&self, _: &mut [u8]) -> io::Result<usize> {
390 Err(io::Error::new(ErrorKind::Other, "not supported"))
393 pub fn peek(&self, _: &mut [u8]) -> io::Result<usize> {
394 Err(io::Error::new(ErrorKind::Other, "not supported"))
397 pub fn send(&self, _: &[u8]) -> io::Result<usize> {
398 Err(io::Error::new(ErrorKind::Other, "not supported"))
401 pub fn connect(&self, _: io::Result<&SocketAddr>) -> io::Result<()> {
402 Err(io::Error::new(ErrorKind::Other, "not supported"))
406 impl fmt::Debug for UdpSocket {
407 fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
412 pub struct LookupHost(Void);
415 pub fn port(&self) -> u16 {
420 impl Iterator for LookupHost {
421 type Item = SocketAddr;
422 fn next(&mut self) -> Option<SocketAddr> {
427 impl TryFrom<&str> for LookupHost {
428 type Error = io::Error;
430 fn try_from(_v: &str) -> io::Result<LookupHost> {
435 impl<'a> TryFrom<(&'a str, u16)> for LookupHost {
436 type Error = io::Error;
438 fn try_from(_v: (&'a str, u16)) -> io::Result<LookupHost> {
443 #[allow(nonstandard_style)]
445 pub const AF_INET: u8 = 0;
446 pub const AF_INET6: u8 = 1;
447 pub type sa_family_t = u8;
449 #[derive(Copy, Clone)]
454 #[derive(Copy, Clone)]
455 pub struct sockaddr_in {
456 pub sin_family: sa_family_t,
458 pub sin_addr: in_addr,
461 #[derive(Copy, Clone)]
462 pub struct in6_addr {
463 pub s6_addr: [u8; 16],
466 #[derive(Copy, Clone)]
467 pub struct sockaddr_in6 {
468 pub sin6_family: sa_family_t,
470 pub sin6_addr: in6_addr,
471 pub sin6_flowinfo: u32,
472 pub sin6_scope_id: u32,
475 #[derive(Copy, Clone)]
476 pub struct sockaddr {}
478 pub type socklen_t = usize;