| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License.. |
| |
| #![allow(dead_code)] |
| |
| use crate::ffi::CString; |
| use crate::io::{self, Error, ErrorKind, IoSlice, IoSliceMut}; |
| use crate::net::{Ipv4Addr, Ipv6Addr, Shutdown, SocketAddr}; |
| use crate::sys::net::{init, Socket}; |
| use crate::sys::{cvt_ocall, cvt_ocall_r}; |
| use crate::sys_common::{AsInner, FromInner}; |
| use crate::time::Duration; |
| use alloc_crate::vec; |
| use core::convert::{TryFrom, TryInto}; |
| use core::fmt; |
| use core::mem; |
| use sgx_trts::libc::{c_int, c_uint, c_void, SockAddr}; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // sockaddr and misc bindings |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| pub fn setsockopt<T>(sock: &Socket, opt: c_int, val: c_int, payload: T) -> io::Result<()> { |
| unsafe { |
| let payload = &payload as *const T as *const c_void; |
| cvt_ocall(libc::setsockopt( |
| *sock.as_inner(), |
| opt, |
| val, |
| payload, |
| mem::size_of::<T>() as libc::socklen_t, |
| ))?; |
| Ok(()) |
| } |
| } |
| |
| pub fn getsockopt<T: Copy>(sock: &Socket, opt: c_int, val: c_int) -> io::Result<T> { |
| unsafe { |
| let mut slot: T = mem::zeroed(); |
| let mut len = mem::size_of::<T>() as libc::socklen_t; |
| cvt_ocall(libc::getsockopt( |
| *sock.as_inner(), |
| opt, |
| val, |
| &mut slot as *mut _ as *mut _, |
| &mut len, |
| ))?; |
| assert_eq!(len as usize, mem::size_of::<T>()); |
| Ok(slot) |
| } |
| } |
| |
| fn sockname<F>(f: F) -> io::Result<SocketAddr> |
| where |
| F: FnOnce(*mut libc::sockaddr, *mut libc::socklen_t) -> libc::OCallResult<()>, |
| { |
| unsafe { |
| let mut storage: libc::sockaddr_storage = mem::zeroed(); |
| let mut len = mem::size_of_val(&storage) as libc::socklen_t; |
| cvt_ocall(f(&mut storage as *mut _ as *mut _, &mut len))?; |
| sockaddr_to_addr(&storage, len as usize) |
| } |
| } |
| |
| fn sockname2<F>(f: F) -> io::Result<SocketAddr> |
| where |
| F: FnOnce() -> libc::OCallResult<libc::SockAddr>, |
| { |
| let sa = cvt_ocall(f())?; |
| sa.try_into() |
| } |
| |
| pub fn sockaddr_to_addr(storage: &libc::sockaddr_storage, len: usize) -> io::Result<SocketAddr> { |
| match storage.ss_family as c_int { |
| libc::AF_INET => { |
| assert!(len as usize >= mem::size_of::<libc::sockaddr_in>()); |
| Ok(SocketAddr::V4(FromInner::from_inner(unsafe { |
| *(storage as *const _ as *const libc::sockaddr_in) |
| }))) |
| } |
| libc::AF_INET6 => { |
| assert!(len as usize >= mem::size_of::<libc::sockaddr_in6>()); |
| Ok(SocketAddr::V6(FromInner::from_inner(unsafe { |
| *(storage as *const _ as *const libc::sockaddr_in6) |
| }))) |
| } |
| _ => Err(Error::new(ErrorKind::InvalidInput, "invalid argument")), |
| } |
| } |
| |
| fn to_ipv6mr_interface(value: u32) -> c_uint { |
| value as c_uint |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // get_host_addresses |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| pub struct LookupHost { |
| iter: vec::IntoIter<SockAddr>, |
| port: u16, |
| } |
| |
| impl LookupHost { |
| pub fn port(&self) -> u16 { |
| self.port |
| } |
| } |
| |
| impl Iterator for LookupHost { |
| type Item = SocketAddr; |
| fn next(&mut self) -> Option<SocketAddr> { |
| self.iter.next().map(|sai| match sai { |
| SockAddr::IN4(addr) => SocketAddr::V4(FromInner::from_inner(addr)), |
| SockAddr::IN6(addr) => SocketAddr::V6(FromInner::from_inner(addr)), |
| _ => unreachable!(), |
| }) |
| } |
| } |
| |
| unsafe impl Sync for LookupHost {} |
| unsafe impl Send for LookupHost {} |
| |
| impl TryFrom<&str> for LookupHost { |
| type Error = io::Error; |
| |
| fn try_from(s: &str) -> io::Result<LookupHost> { |
| macro_rules! try_opt { |
| ($e:expr, $msg:expr) => { |
| match $e { |
| Some(r) => r, |
| None => return Err(io::Error::new(io::ErrorKind::InvalidInput, $msg)), |
| } |
| }; |
| } |
| |
| // split the string by ':' and convert the second part to u16 |
| let mut parts_iter = s.rsplitn(2, ':'); |
| let port_str = try_opt!(parts_iter.next(), "invalid socket address"); |
| let host = try_opt!(parts_iter.next(), "invalid socket address"); |
| let port: u16 = try_opt!(port_str.parse().ok(), "invalid port value"); |
| |
| (host, port).try_into() |
| } |
| } |
| |
| impl<'a> TryFrom<(&'a str, u16)> for LookupHost { |
| type Error = io::Error; |
| |
| fn try_from((host, port): (&'a str, u16)) -> io::Result<LookupHost> { |
| init(); |
| |
| let c_host = CString::new(host)?; |
| let mut hints = libc::AddrInfoHints::default(); |
| hints.socktype = libc::SOCK_STREAM; |
| |
| let addr_vec = unsafe { cvt_ocall(libc::getaddrinfo(Some(&c_host), None, Some(hints)))? }; |
| |
| Ok(LookupHost { |
| iter: addr_vec.into_iter(), |
| port, |
| }) |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // TCP streams |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| pub struct TcpStream { |
| inner: Socket, |
| } |
| |
| impl TcpStream { |
| pub fn new(sockfd: c_int) -> io::Result<TcpStream> { |
| let sock = Socket::new(sockfd)?; |
| Ok(TcpStream { inner: sock }) |
| } |
| |
| pub fn new_v4() -> io::Result<TcpStream> { |
| let sock = Socket::new_raw(libc::AF_INET, libc::SOCK_STREAM)?; |
| Ok(TcpStream { inner: sock }) |
| } |
| |
| pub fn new_v6() -> io::Result<TcpStream> { |
| let sock = Socket::new_raw(libc::AF_INET6, libc::SOCK_STREAM)?; |
| Ok(TcpStream { inner: sock }) |
| } |
| |
| pub fn raw(&self) -> c_int { |
| self.inner.raw() |
| } |
| |
| pub fn into_raw(self) -> c_int { |
| self.inner.into_raw() |
| } |
| |
| pub fn connect(addr: io::Result<&SocketAddr>) -> io::Result<TcpStream> { |
| let addr = addr?; |
| |
| init(); |
| |
| let sock = Socket::new_socket_addr_type(addr, libc::SOCK_STREAM)?; |
| let sock_addr = addr.to_owned().into(); |
| cvt_ocall_r(|| unsafe { libc::connect(*sock.as_inner(), &sock_addr) })?; |
| Ok(TcpStream { inner: sock }) |
| } |
| |
| pub fn connect_socket(&self, addr: io::Result<&SocketAddr>) -> io::Result<()> { |
| let addr = addr?; |
| |
| init(); |
| |
| let sock_addr = addr.to_owned().into(); |
| cvt_ocall_r(|| unsafe { libc::connect(*self.inner.as_inner(), &sock_addr) }).map(drop) |
| } |
| |
| pub fn connect_timeout(addr: &SocketAddr, timeout: Duration) -> io::Result<TcpStream> { |
| init(); |
| |
| let sock = Socket::new_socket_addr_type(addr, libc::SOCK_STREAM)?; |
| sock.connect_timeout(addr, timeout)?; |
| Ok(TcpStream { inner: sock }) |
| } |
| |
| pub fn connect_socket_timeout(&self, addr: &SocketAddr, timeout: Duration) -> io::Result<()> { |
| self.inner.connect_timeout(addr, timeout) |
| } |
| |
| pub fn socket(&self) -> &Socket { |
| &self.inner |
| } |
| |
| pub fn into_socket(self) -> Socket { |
| self.inner |
| } |
| |
| pub fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> { |
| self.inner.set_timeout(dur, libc::SO_RCVTIMEO) |
| } |
| |
| pub fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> { |
| self.inner.set_timeout(dur, libc::SO_SNDTIMEO) |
| } |
| |
| pub fn read_timeout(&self) -> io::Result<Option<Duration>> { |
| self.inner.timeout(libc::SO_RCVTIMEO) |
| } |
| |
| pub fn write_timeout(&self) -> io::Result<Option<Duration>> { |
| self.inner.timeout(libc::SO_SNDTIMEO) |
| } |
| |
| pub fn peek(&self, buf: &mut [u8]) -> io::Result<usize> { |
| self.inner.peek(buf) |
| } |
| |
| pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> { |
| self.inner.read(buf) |
| } |
| |
| pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> { |
| self.inner.read_vectored(bufs) |
| } |
| |
| pub fn write(&self, buf: &[u8]) -> io::Result<usize> { |
| let ret = |
| cvt_ocall(unsafe { libc::send(*self.inner.as_inner(), buf, libc::MSG_NOSIGNAL) })?; |
| Ok(ret as usize) |
| } |
| |
| pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result<usize> { |
| self.inner.write_vectored(bufs) |
| } |
| |
| pub fn peer_addr(&self) -> io::Result<SocketAddr> { |
| sockname2(|| unsafe { libc::getpeername(*self.inner.as_inner()) }) |
| } |
| |
| pub fn socket_addr(&self) -> io::Result<SocketAddr> { |
| sockname2(|| unsafe { libc::getsockname(*self.inner.as_inner()) }) |
| } |
| |
| pub fn shutdown(&self, how: Shutdown) -> io::Result<()> { |
| self.inner.shutdown(how) |
| } |
| |
| pub fn duplicate(&self) -> io::Result<TcpStream> { |
| self.inner.duplicate().map(|s| TcpStream { inner: s }) |
| } |
| |
| pub fn set_nodelay(&self, nodelay: bool) -> io::Result<()> { |
| self.inner.set_nodelay(nodelay) |
| } |
| |
| pub fn nodelay(&self) -> io::Result<bool> { |
| self.inner.nodelay() |
| } |
| |
| pub fn set_ttl(&self, ttl: u32) -> io::Result<()> { |
| setsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_TTL, ttl as c_int) |
| } |
| |
| pub fn ttl(&self) -> io::Result<u32> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_TTL)?; |
| Ok(raw as u32) |
| } |
| |
| pub fn set_only_v6(&self, only_v6: bool) -> io::Result<()> { |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IPV6, |
| libc::IPV6_V6ONLY, |
| only_v6 as c_int, |
| ) |
| } |
| |
| pub fn only_v6(&self) -> io::Result<bool> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IPV6, libc::IPV6_V6ONLY)?; |
| Ok(raw != 0) |
| } |
| |
| pub fn take_error(&self) -> io::Result<Option<io::Error>> { |
| self.inner.take_error() |
| } |
| |
| pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> { |
| self.inner.set_nonblocking(nonblocking) |
| } |
| } |
| |
| 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 { |
| let mut res = f.debug_struct("TcpStream"); |
| |
| if let Ok(addr) = self.socket_addr() { |
| res.field("addr", &addr); |
| } |
| |
| if let Ok(peer) = self.peer_addr() { |
| res.field("peer", &peer); |
| } |
| |
| let name = "fd"; |
| res.field(name, &self.inner.as_inner()).finish() |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // TCP listeners |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| pub struct TcpListener { |
| inner: Socket, |
| } |
| |
| impl TcpListener { |
| pub fn new(sockfd: c_int) -> io::Result<TcpListener> { |
| let sock = Socket::new(sockfd)?; |
| Ok(TcpListener { inner: sock }) |
| } |
| |
| pub fn new_v4() -> io::Result<TcpListener> { |
| let sock = Socket::new_raw(libc::AF_INET, libc::SOCK_STREAM)?; |
| Ok(TcpListener { inner: sock }) |
| } |
| |
| pub fn new_v6() -> io::Result<TcpListener> { |
| let sock = Socket::new_raw(libc::AF_INET6, libc::SOCK_STREAM)?; |
| Ok(TcpListener { inner: sock }) |
| } |
| |
| pub fn raw(&self) -> c_int { |
| self.inner.raw() |
| } |
| |
| pub fn into_raw(self) -> c_int { |
| self.inner.into_raw() |
| } |
| |
| pub fn bind(addr: io::Result<&SocketAddr>) -> io::Result<TcpListener> { |
| let addr = addr?; |
| |
| init(); |
| |
| let sock = Socket::new_socket_addr_type(addr, libc::SOCK_STREAM)?; |
| |
| // On platforms with Berkeley-derived sockets, this allows |
| // to quickly rebind a socket, without needing to wait for |
| // the OS to clean up the previous one. |
| setsockopt(&sock, libc::SOL_SOCKET, libc::SO_REUSEADDR, 1 as c_int)?; |
| |
| // Bind our new socket |
| let sock_addr = addr.to_owned().into(); |
| cvt_ocall(unsafe { libc::bind(*sock.as_inner(), &sock_addr) })?; |
| |
| // Start listening |
| cvt_ocall(unsafe { libc::listen(*sock.as_inner(), 128) })?; |
| Ok(TcpListener { inner: sock }) |
| } |
| |
| pub fn bind_socket(&self, addr: io::Result<&SocketAddr>) -> io::Result<()> { |
| let addr = addr?; |
| |
| init(); |
| |
| setsockopt( |
| &self.inner, |
| libc::SOL_SOCKET, |
| libc::SO_REUSEADDR, |
| 1 as c_int, |
| )?; |
| let sock_addr = addr.to_owned().into(); |
| cvt_ocall(unsafe { libc::bind(*self.inner.as_inner(), &sock_addr) })?; |
| cvt_ocall(unsafe { libc::listen(*self.inner.as_inner(), 128) }) |
| } |
| |
| pub fn socket(&self) -> &Socket { |
| &self.inner |
| } |
| |
| pub fn into_socket(self) -> Socket { |
| self.inner |
| } |
| |
| pub fn socket_addr(&self) -> io::Result<SocketAddr> { |
| sockname2(|| unsafe { libc::getsockname(*self.inner.as_inner()) }) |
| } |
| |
| pub fn accept(&self) -> io::Result<(TcpStream, SocketAddr)> { |
| let (sock, addr) = self.inner.accept()?; |
| let addr = addr.try_into()?; |
| Ok((TcpStream { inner: sock }, addr)) |
| } |
| |
| pub fn duplicate(&self) -> io::Result<TcpListener> { |
| self.inner.duplicate().map(|s| TcpListener { inner: s }) |
| } |
| |
| pub fn set_ttl(&self, ttl: u32) -> io::Result<()> { |
| setsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_TTL, ttl as c_int) |
| } |
| |
| pub fn ttl(&self) -> io::Result<u32> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_TTL)?; |
| Ok(raw as u32) |
| } |
| |
| pub fn set_only_v6(&self, only_v6: bool) -> io::Result<()> { |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IPV6, |
| libc::IPV6_V6ONLY, |
| only_v6 as c_int, |
| ) |
| } |
| |
| pub fn only_v6(&self) -> io::Result<bool> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IPV6, libc::IPV6_V6ONLY)?; |
| Ok(raw != 0) |
| } |
| |
| pub fn take_error(&self) -> io::Result<Option<io::Error>> { |
| self.inner.take_error() |
| } |
| |
| pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> { |
| self.inner.set_nonblocking(nonblocking) |
| } |
| } |
| |
| impl FromInner<Socket> for TcpListener { |
| fn from_inner(socket: Socket) -> TcpListener { |
| TcpListener { inner: socket } |
| } |
| } |
| |
| impl fmt::Debug for TcpListener { |
| fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { |
| let mut res = f.debug_struct("TcpListener"); |
| |
| if let Ok(addr) = self.socket_addr() { |
| res.field("addr", &addr); |
| } |
| |
| let name = "fd"; |
| res.field(name, &self.inner.as_inner()).finish() |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // UDP |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| pub struct UdpSocket { |
| inner: Socket, |
| } |
| |
| impl UdpSocket { |
| pub fn new(sockfd: c_int) -> io::Result<UdpSocket> { |
| let sock = Socket::new(sockfd)?; |
| Ok(UdpSocket { inner: sock }) |
| } |
| |
| pub fn new_v4() -> io::Result<UdpSocket> { |
| let sock = Socket::new_raw(libc::AF_INET, libc::SOCK_DGRAM)?; |
| Ok(UdpSocket { inner: sock }) |
| } |
| |
| pub fn new_v6() -> io::Result<UdpSocket> { |
| let sock = Socket::new_raw(libc::AF_INET6, libc::SOCK_DGRAM)?; |
| Ok(UdpSocket { inner: sock }) |
| } |
| |
| pub fn raw(&self) -> c_int { |
| self.inner.raw() |
| } |
| |
| pub fn into_raw(self) -> c_int { |
| self.inner.into_raw() |
| } |
| |
| pub fn bind(addr: io::Result<&SocketAddr>) -> io::Result<UdpSocket> { |
| let addr = addr?; |
| |
| init(); |
| |
| let sock = Socket::new_socket_addr_type(addr, libc::SOCK_DGRAM)?; |
| let sock_addr = addr.to_owned().into(); |
| cvt_ocall(unsafe { libc::bind(*sock.as_inner(), &sock_addr) })?; |
| Ok(UdpSocket { inner: sock }) |
| } |
| |
| pub fn bind_socket(&self, addr: io::Result<&SocketAddr>) -> io::Result<()> { |
| let addr = addr?; |
| |
| init(); |
| |
| let sock_addr = addr.to_owned().into(); |
| cvt_ocall(unsafe { libc::bind(*self.inner.as_inner(), &sock_addr) }).map(drop) |
| } |
| |
| pub fn socket(&self) -> &Socket { |
| &self.inner |
| } |
| |
| pub fn into_socket(self) -> Socket { |
| self.inner |
| } |
| |
| pub fn peer_addr(&self) -> io::Result<SocketAddr> { |
| sockname2(|| unsafe { libc::getpeername(*self.inner.as_inner()) }) |
| } |
| |
| pub fn socket_addr(&self) -> io::Result<SocketAddr> { |
| sockname2(|| unsafe { libc::getsockname(*self.inner.as_inner()) }) |
| } |
| |
| pub fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> { |
| self.inner.recv_from(buf) |
| } |
| |
| pub fn peek_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> { |
| self.inner.peek_from(buf) |
| } |
| |
| pub fn send_to(&self, buf: &[u8], dst: &SocketAddr) -> io::Result<usize> { |
| let dst = dst.to_owned().into(); |
| let ret = cvt_ocall(unsafe { |
| libc::sendto(*self.inner.as_inner(), &buf, libc::MSG_NOSIGNAL, &dst) |
| })?; |
| Ok(ret as usize) |
| } |
| |
| pub fn duplicate(&self) -> io::Result<UdpSocket> { |
| self.inner.duplicate().map(|s| UdpSocket { inner: s }) |
| } |
| |
| pub fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> { |
| self.inner.set_timeout(dur, libc::SO_RCVTIMEO) |
| } |
| |
| pub fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> { |
| self.inner.set_timeout(dur, libc::SO_SNDTIMEO) |
| } |
| |
| pub fn read_timeout(&self) -> io::Result<Option<Duration>> { |
| self.inner.timeout(libc::SO_RCVTIMEO) |
| } |
| |
| pub fn write_timeout(&self) -> io::Result<Option<Duration>> { |
| self.inner.timeout(libc::SO_SNDTIMEO) |
| } |
| |
| pub fn set_broadcast(&self, broadcast: bool) -> io::Result<()> { |
| setsockopt( |
| &self.inner, |
| libc::SOL_SOCKET, |
| libc::SO_BROADCAST, |
| broadcast as c_int, |
| ) |
| } |
| |
| pub fn broadcast(&self) -> io::Result<bool> { |
| let raw: c_int = getsockopt(&self.inner, libc::SOL_SOCKET, libc::SO_BROADCAST)?; |
| Ok(raw != 0) |
| } |
| |
| pub fn set_multicast_loop_v4(&self, multicast_loop_v4: bool) -> io::Result<()> { |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IP, |
| libc::IP_MULTICAST_LOOP, |
| multicast_loop_v4 as c_int, |
| ) |
| } |
| |
| pub fn multicast_loop_v4(&self) -> io::Result<bool> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_MULTICAST_LOOP)?; |
| Ok(raw != 0) |
| } |
| |
| pub fn set_multicast_ttl_v4(&self, multicast_ttl_v4: u32) -> io::Result<()> { |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IP, |
| libc::IP_MULTICAST_TTL, |
| multicast_ttl_v4 as c_int, |
| ) |
| } |
| |
| pub fn multicast_ttl_v4(&self) -> io::Result<u32> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_MULTICAST_TTL)?; |
| Ok(raw as u32) |
| } |
| |
| pub fn set_multicast_loop_v6(&self, multicast_loop_v6: bool) -> io::Result<()> { |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IPV6, |
| libc::IPV6_MULTICAST_LOOP, |
| multicast_loop_v6 as c_int, |
| ) |
| } |
| |
| pub fn multicast_loop_v6(&self) -> io::Result<bool> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IPV6, libc::IPV6_MULTICAST_LOOP)?; |
| Ok(raw != 0) |
| } |
| |
| pub fn join_multicast_v4(&self, multiaddr: &Ipv4Addr, interface: &Ipv4Addr) -> io::Result<()> { |
| let mreq = libc::ip_mreq { |
| imr_multiaddr: *multiaddr.as_inner(), |
| imr_interface: *interface.as_inner(), |
| }; |
| setsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_ADD_MEMBERSHIP, mreq) |
| } |
| |
| pub fn join_multicast_v6(&self, multiaddr: &Ipv6Addr, interface: u32) -> io::Result<()> { |
| let mreq = libc::ipv6_mreq { |
| ipv6mr_multiaddr: *multiaddr.as_inner(), |
| ipv6mr_interface: to_ipv6mr_interface(interface), |
| }; |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IPV6, |
| libc::IPV6_ADD_MEMBERSHIP, |
| mreq, |
| ) |
| } |
| |
| pub fn leave_multicast_v4(&self, multiaddr: &Ipv4Addr, interface: &Ipv4Addr) -> io::Result<()> { |
| let mreq = libc::ip_mreq { |
| imr_multiaddr: *multiaddr.as_inner(), |
| imr_interface: *interface.as_inner(), |
| }; |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IP, |
| libc::IP_DROP_MEMBERSHIP, |
| mreq, |
| ) |
| } |
| |
| pub fn leave_multicast_v6(&self, multiaddr: &Ipv6Addr, interface: u32) -> io::Result<()> { |
| let mreq = libc::ipv6_mreq { |
| ipv6mr_multiaddr: *multiaddr.as_inner(), |
| ipv6mr_interface: to_ipv6mr_interface(interface), |
| }; |
| setsockopt( |
| &self.inner, |
| libc::IPPROTO_IPV6, |
| libc::IPV6_DROP_MEMBERSHIP, |
| mreq, |
| ) |
| } |
| |
| pub fn set_ttl(&self, ttl: u32) -> io::Result<()> { |
| setsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_TTL, ttl as c_int) |
| } |
| |
| pub fn ttl(&self) -> io::Result<u32> { |
| let raw: c_int = getsockopt(&self.inner, libc::IPPROTO_IP, libc::IP_TTL)?; |
| Ok(raw as u32) |
| } |
| |
| pub fn take_error(&self) -> io::Result<Option<io::Error>> { |
| self.inner.take_error() |
| } |
| |
| pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> { |
| self.inner.set_nonblocking(nonblocking) |
| } |
| |
| pub fn recv(&self, buf: &mut [u8]) -> io::Result<usize> { |
| self.inner.read(buf) |
| } |
| |
| pub fn peek(&self, buf: &mut [u8]) -> io::Result<usize> { |
| self.inner.peek(buf) |
| } |
| |
| pub fn send(&self, buf: &[u8]) -> io::Result<usize> { |
| let ret = |
| cvt_ocall(unsafe { libc::send(*self.inner.as_inner(), buf, libc::MSG_NOSIGNAL) })?; |
| Ok(ret as usize) |
| } |
| |
| pub fn connect(&self, addr: io::Result<&SocketAddr>) -> io::Result<()> { |
| let sock_addr = addr?.to_owned().into(); |
| cvt_ocall_r(|| unsafe { libc::connect(*self.inner.as_inner(), &sock_addr) }).map(drop) |
| } |
| } |
| |
| impl FromInner<Socket> for UdpSocket { |
| fn from_inner(socket: Socket) -> UdpSocket { |
| UdpSocket { inner: socket } |
| } |
| } |
| |
| impl fmt::Debug for UdpSocket { |
| fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { |
| let mut res = f.debug_struct("UdpSocket"); |
| |
| if let Ok(addr) = self.socket_addr() { |
| res.field("addr", &addr); |
| } |
| |
| let name = "fd"; |
| res.field(name, &self.inner.as_inner()).finish() |
| } |
| } |
| |
| mod libc { |
| pub use sgx_trts::libc::ocall::{ |
| bind, connect, getaddrinfo, getpeername, getsockname, getsockopt, listen, send, sendto, |
| setsockopt, |
| }; |
| pub use sgx_trts::libc::*; |
| } |
