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(IpAddr::V4(Ipv4Addr::from(addr.0)), port),
151 Ipv6(ref addr) => SocketAddr::new(IpAddr::V6(Ipv6Addr::from(addr.0)), port),
153 return Err(io::Error::new(ErrorKind::Other, "peer_addr failed"));
160 pub fn socket_addr(&self) -> io::Result<SocketAddr> {
161 Err(io::Error::new(ErrorKind::Other, "socket_addr isn't supported"))
164 pub fn shutdown(&self, how: Shutdown) -> io::Result<()> {
165 abi::tcpstream::shutdown(*self.0.as_inner(), how as i32)
166 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to shutdown socket"))
169 pub fn duplicate(&self) -> io::Result<TcpStream> {
173 pub fn set_nodelay(&self, mode: bool) -> io::Result<()> {
174 abi::tcpstream::set_nodelay(*self.0.as_inner(), mode)
175 .map_err(|_| io::Error::new(ErrorKind::Other, "set_nodelay failed"))
178 pub fn nodelay(&self) -> io::Result<bool> {
179 abi::tcpstream::nodelay(*self.0.as_inner())
180 .map_err(|_| io::Error::new(ErrorKind::Other, "nodelay failed"))
183 pub fn set_ttl(&self, tll: u32) -> io::Result<()> {
184 abi::tcpstream::set_tll(*self.0.as_inner(), tll)
185 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to set TTL"))
188 pub fn ttl(&self) -> io::Result<u32> {
189 abi::tcpstream::get_tll(*self.0.as_inner())
190 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to get TTL"))
193 pub fn take_error(&self) -> io::Result<Option<io::Error>> {
194 Err(io::Error::new(ErrorKind::Other, "take_error isn't supported"))
197 pub fn set_nonblocking(&self, mode: bool) -> io::Result<()> {
198 abi::tcpstream::set_nonblocking(*self.0.as_inner(), mode)
199 .map_err(|_| io::Error::new(ErrorKind::Other, "unable to set blocking mode"))
203 impl fmt::Debug for TcpStream {
204 fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
210 pub struct TcpListener(SocketAddr);
213 pub fn bind(addr: io::Result<&SocketAddr>) -> io::Result<TcpListener> {
216 Ok(TcpListener(*addr))
219 pub fn socket_addr(&self) -> io::Result<SocketAddr> {
223 pub fn accept(&self) -> io::Result<(TcpStream, SocketAddr)> {
224 let (handle, ipaddr, port) = abi::tcplistener::accept(self.0.port())
225 .map_err(|_| io::Error::new(ErrorKind::Other, "accept failed"))?;
226 let saddr = match ipaddr {
227 Ipv4(ref addr) => SocketAddr::new(IpAddr::V4(Ipv4Addr::from(addr.0)), port),
228 Ipv6(ref addr) => SocketAddr::new(IpAddr::V6(Ipv6Addr::from(addr.0)), port),
230 return Err(io::Error::new(ErrorKind::Other, "accept failed"));
234 Ok((TcpStream(Arc::new(Socket(handle))), saddr))
237 pub fn duplicate(&self) -> io::Result<TcpListener> {
241 pub fn set_ttl(&self, _: u32) -> io::Result<()> {
242 Err(io::Error::new(ErrorKind::Other, "not supported"))
245 pub fn ttl(&self) -> io::Result<u32> {
246 Err(io::Error::new(ErrorKind::Other, "not supported"))
249 pub fn set_only_v6(&self, _: bool) -> io::Result<()> {
250 Err(io::Error::new(ErrorKind::Other, "not supported"))
253 pub fn only_v6(&self) -> io::Result<bool> {
254 Err(io::Error::new(ErrorKind::Other, "not supported"))
257 pub fn take_error(&self) -> io::Result<Option<io::Error>> {
258 Err(io::Error::new(ErrorKind::Other, "not supported"))
261 pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
262 Err(io::Error::new(ErrorKind::Other, "not supported"))
266 impl fmt::Debug for TcpListener {
267 fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
272 pub struct UdpSocket(abi::Handle);
275 pub fn bind(_: io::Result<&SocketAddr>) -> io::Result<UdpSocket> {
276 Err(io::Error::new(ErrorKind::Other, "not supported"))
279 pub fn peer_addr(&self) -> io::Result<SocketAddr> {
280 Err(io::Error::new(ErrorKind::Other, "not supported"))
283 pub fn socket_addr(&self) -> io::Result<SocketAddr> {
284 Err(io::Error::new(ErrorKind::Other, "not supported"))
287 pub fn recv_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
288 Err(io::Error::new(ErrorKind::Other, "not supported"))
291 pub fn peek_from(&self, _: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
292 Err(io::Error::new(ErrorKind::Other, "not supported"))
295 pub fn send_to(&self, _: &[u8], _: &SocketAddr) -> io::Result<usize> {
296 Err(io::Error::new(ErrorKind::Other, "not supported"))
299 pub fn duplicate(&self) -> io::Result<UdpSocket> {
300 Err(io::Error::new(ErrorKind::Other, "not supported"))
303 pub fn set_read_timeout(&self, _: Option<Duration>) -> io::Result<()> {
304 Err(io::Error::new(ErrorKind::Other, "not supported"))
307 pub fn set_write_timeout(&self, _: Option<Duration>) -> io::Result<()> {
308 Err(io::Error::new(ErrorKind::Other, "not supported"))
311 pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
312 Err(io::Error::new(ErrorKind::Other, "not supported"))
315 pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
316 Err(io::Error::new(ErrorKind::Other, "not supported"))
319 pub fn set_broadcast(&self, _: bool) -> io::Result<()> {
320 Err(io::Error::new(ErrorKind::Other, "not supported"))
323 pub fn broadcast(&self) -> io::Result<bool> {
324 Err(io::Error::new(ErrorKind::Other, "not supported"))
327 pub fn set_multicast_loop_v4(&self, _: bool) -> io::Result<()> {
328 Err(io::Error::new(ErrorKind::Other, "not supported"))
331 pub fn multicast_loop_v4(&self) -> io::Result<bool> {
332 Err(io::Error::new(ErrorKind::Other, "not supported"))
335 pub fn set_multicast_ttl_v4(&self, _: u32) -> io::Result<()> {
336 Err(io::Error::new(ErrorKind::Other, "not supported"))
339 pub fn multicast_ttl_v4(&self) -> io::Result<u32> {
340 Err(io::Error::new(ErrorKind::Other, "not supported"))
343 pub fn set_multicast_loop_v6(&self, _: bool) -> io::Result<()> {
344 Err(io::Error::new(ErrorKind::Other, "not supported"))
347 pub fn multicast_loop_v6(&self) -> io::Result<bool> {
348 Err(io::Error::new(ErrorKind::Other, "not supported"))
351 pub fn join_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
352 Err(io::Error::new(ErrorKind::Other, "not supported"))
355 pub fn join_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
356 Err(io::Error::new(ErrorKind::Other, "not supported"))
359 pub fn leave_multicast_v4(&self, _: &Ipv4Addr, _: &Ipv4Addr) -> io::Result<()> {
360 Err(io::Error::new(ErrorKind::Other, "not supported"))
363 pub fn leave_multicast_v6(&self, _: &Ipv6Addr, _: u32) -> io::Result<()> {
364 Err(io::Error::new(ErrorKind::Other, "not supported"))
367 pub fn set_ttl(&self, _: u32) -> io::Result<()> {
368 Err(io::Error::new(ErrorKind::Other, "not supported"))
371 pub fn ttl(&self) -> io::Result<u32> {
372 Err(io::Error::new(ErrorKind::Other, "not supported"))
375 pub fn take_error(&self) -> io::Result<Option<io::Error>> {
376 Err(io::Error::new(ErrorKind::Other, "not supported"))
379 pub fn set_nonblocking(&self, _: bool) -> io::Result<()> {
380 Err(io::Error::new(ErrorKind::Other, "not supported"))
383 pub fn recv(&self, _: &mut [u8]) -> io::Result<usize> {
384 Err(io::Error::new(ErrorKind::Other, "not supported"))
387 pub fn peek(&self, _: &mut [u8]) -> io::Result<usize> {
388 Err(io::Error::new(ErrorKind::Other, "not supported"))
391 pub fn send(&self, _: &[u8]) -> io::Result<usize> {
392 Err(io::Error::new(ErrorKind::Other, "not supported"))
395 pub fn connect(&self, _: io::Result<&SocketAddr>) -> io::Result<()> {
396 Err(io::Error::new(ErrorKind::Other, "not supported"))
400 impl fmt::Debug for UdpSocket {
401 fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
406 pub struct LookupHost(Void);
409 pub fn port(&self) -> u16 {
414 impl Iterator for LookupHost {
415 type Item = SocketAddr;
416 fn next(&mut self) -> Option<SocketAddr> {
421 impl TryFrom<&str> for LookupHost {
422 type Error = io::Error;
424 fn try_from(_v: &str) -> io::Result<LookupHost> {
429 impl<'a> TryFrom<(&'a str, u16)> for LookupHost {
430 type Error = io::Error;
432 fn try_from(_v: (&'a str, u16)) -> io::Result<LookupHost> {
437 #[allow(nonstandard_style)]
439 pub const AF_INET: u8 = 0;
440 pub const AF_INET6: u8 = 1;
441 pub type sa_family_t = u8;
443 #[derive(Copy, Clone)]
448 #[derive(Copy, Clone)]
449 pub struct sockaddr_in {
450 pub sin_family: sa_family_t,
452 pub sin_addr: in_addr,
455 #[derive(Copy, Clone)]
456 pub struct in6_addr {
457 pub s6_addr: [u8; 16],
460 #[derive(Copy, Clone)]
461 pub struct sockaddr_in6 {
462 pub sin6_family: sa_family_t,
464 pub sin6_addr: in6_addr,
465 pub sin6_flowinfo: u32,
466 pub sin6_scope_id: u32,
469 #[derive(Copy, Clone)]
470 pub struct sockaddr {}
472 pub type socklen_t = usize;