//! The following is derived from Rust's //! library/std/src/net/addr.rs at revision //! dca3f1b786efd27be3b325ed1e01e247aa589c3b. //! //! This defines `SocketAddr`, `SocketAddrV4`, and `SocketAddrV6`. These are //! conceptually platform-independent, however in practice OS's have differing //! representations. #![allow(unsafe_code)] use crate::imp::c; use crate::imp::net::ext::{ in6_addr_s6_addr, in_addr_s_addr, sockaddr_in6_new, sockaddr_in6_sin6_scope_id, sockaddr_in6_sin6_scope_id_mut, }; use crate::net::ip::{IpAddr, Ipv4Addr, Ipv6Addr}; use core::cmp::Ordering; use core::hash; use core::mem; /// An internet socket address, either IPv4 or IPv6. /// /// Internet socket addresses consist of an [IP address], a 16-bit port number, as well /// as possibly some version-dependent additional information. See [`SocketAddrV4`]'s and /// [`SocketAddrV6`]'s respective documentation for more details. /// /// The size of a `SocketAddr` instance may vary depending on the target operating /// system. /// /// [IP address]: IpAddr /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// /// assert_eq!("127.0.0.1:8080".parse(), Ok(socket)); /// assert_eq!(socket.port(), 8080); /// assert_eq!(socket.is_ipv4(), true); /// ``` #[derive(Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] pub enum SocketAddr { /// An IPv4 socket address. #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] V4(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] SocketAddrV4), /// An IPv6 socket address. #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] V6(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] SocketAddrV6), } /// An IPv4 socket address. /// /// IPv4 socket addresses consist of an [`IPv4` address] and a 16-bit port number, as /// stated in [IETF RFC 793]. /// /// See [`SocketAddr`] for a type encompassing both IPv4 and IPv6 socket addresses. /// /// The size of a `SocketAddrV4` struct may vary depending on the target operating /// system. Do not assume that this type has the same memory layout as the underlying /// system representation. /// /// [IETF RFC 793]: https://tools.ietf.org/html/rfc793 /// [`IPv4` address]: Ipv4Addr /// /// # Examples /// /// ``` /// use std::net::{Ipv4Addr, SocketAddrV4}; /// /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); /// /// assert_eq!("127.0.0.1:8080".parse(), Ok(socket)); /// assert_eq!(socket.ip(), &Ipv4Addr::new(127, 0, 0, 1)); /// assert_eq!(socket.port(), 8080); /// ``` #[derive(Copy)] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] pub struct SocketAddrV4 { // Do not assume that this struct is implemented as the underlying system representation. // The memory layout is not part of the stable interface that std exposes. pub(crate) inner: c::sockaddr_in, } /// An IPv6 socket address. /// /// IPv6 socket addresses consist of an [`IPv6` address], a 16-bit port number, as well /// as fields containing the traffic class, the flow label, and a scope identifier /// (see [IETF RFC 2553, Section 3.3] for more details). /// /// See [`SocketAddr`] for a type encompassing both IPv4 and IPv6 socket addresses. /// /// The size of a `SocketAddrV6` struct may vary depending on the target operating /// system. Do not assume that this type has the same memory layout as the underlying /// system representation. /// /// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 /// [`IPv6` address]: Ipv6Addr /// /// # Examples /// /// ``` /// use std::net::{Ipv6Addr, SocketAddrV6}; /// /// let socket = SocketAddrV6::new(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 1), 8080, 0, 0); /// /// assert_eq!("[2001:db8::1]:8080".parse(), Ok(socket)); /// assert_eq!(socket.ip(), &Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 1)); /// assert_eq!(socket.port(), 8080); /// ``` #[derive(Copy)] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] pub struct SocketAddrV6 { // Do not assume that this struct is implemented as the underlying system representation. // The memory layout is not part of the stable interface that std exposes. pub(crate) inner: c::sockaddr_in6, } impl SocketAddr { /// Creates a new socket address from an [IP address] and a port number. /// /// [IP address]: IpAddr /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))); /// assert_eq!(socket.port(), 8080); /// ``` #[cfg_attr(staged_api, stable(feature = "ip_addr", since = "1.7.0"))] #[must_use] pub fn new(ip: IpAddr, port: u16) -> SocketAddr { match ip { IpAddr::V4(a) => SocketAddr::V4(SocketAddrV4::new(a, port)), IpAddr::V6(a) => SocketAddr::V6(SocketAddrV6::new(a, port, 0, 0)), } } /// Returns the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))); /// ``` #[cfg(const_raw_ptr_deref)] #[must_use] #[cfg_attr(staged_api, stable(feature = "ip_addr", since = "1.7.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn ip(&self) -> IpAddr { match *self { SocketAddr::V4(ref a) => IpAddr::V4(*a.ip()), SocketAddr::V6(ref a) => IpAddr::V6(*a.ip()), } } /// Returns the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))); /// ``` #[cfg(not(const_raw_ptr_deref))] #[must_use] #[cfg_attr(staged_api, stable(feature = "ip_addr", since = "1.7.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub fn ip(&self) -> IpAddr { match *self { SocketAddr::V4(ref a) => IpAddr::V4(*a.ip()), SocketAddr::V6(ref a) => IpAddr::V6(*a.ip()), } } /// Changes the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let mut socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// socket.set_ip(IpAddr::V4(Ipv4Addr::new(10, 10, 0, 1))); /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(10, 10, 0, 1))); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_ip(&mut self, new_ip: IpAddr) { // `match (*self, new_ip)` would have us mutate a copy of self only to throw it away. match (self, new_ip) { (&mut SocketAddr::V4(ref mut a), IpAddr::V4(new_ip)) => a.set_ip(new_ip), (&mut SocketAddr::V6(ref mut a), IpAddr::V6(new_ip)) => a.set_ip(new_ip), (self_, new_ip) => *self_ = Self::new(new_ip, self_.port()), } } /// Returns the port number associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// assert_eq!(socket.port(), 8080); /// ``` #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn port(&self) -> u16 { match *self { SocketAddr::V4(ref a) => a.port(), SocketAddr::V6(ref a) => a.port(), } } /// Changes the port number associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let mut socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// socket.set_port(1025); /// assert_eq!(socket.port(), 1025); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_port(&mut self, new_port: u16) { match *self { SocketAddr::V4(ref mut a) => a.set_port(new_port), SocketAddr::V6(ref mut a) => a.set_port(new_port), } } /// Returns [`true`] if the [IP address] in this `SocketAddr` is an /// [`IPv4` address], and [`false`] otherwise. /// /// [IP address]: IpAddr /// [`IPv4` address]: IpAddr::V4 /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; /// /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); /// assert_eq!(socket.is_ipv4(), true); /// assert_eq!(socket.is_ipv6(), false); /// ``` #[must_use] #[cfg_attr(staged_api, stable(feature = "sockaddr_checker", since = "1.16.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn is_ipv4(&self) -> bool { matches!(*self, SocketAddr::V4(_)) } /// Returns [`true`] if the [IP address] in this `SocketAddr` is an /// [`IPv6` address], and [`false`] otherwise. /// /// [IP address]: IpAddr /// [`IPv6` address]: IpAddr::V6 /// /// # Examples /// /// ``` /// use std::net::{IpAddr, Ipv6Addr, SocketAddr}; /// /// let socket = SocketAddr::new(IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 65535, 0, 1)), 8080); /// assert_eq!(socket.is_ipv4(), false); /// assert_eq!(socket.is_ipv6(), true); /// ``` #[must_use] #[cfg_attr(staged_api, stable(feature = "sockaddr_checker", since = "1.16.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn is_ipv6(&self) -> bool { matches!(*self, SocketAddr::V6(_)) } } impl SocketAddrV4 { /// Creates a new socket address from an [`IPv4` address] and a port number. /// /// [`IPv4` address]: Ipv4Addr /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV4, Ipv4Addr}; /// /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); /// ``` #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[must_use] pub fn new(ip: Ipv4Addr, port: u16) -> SocketAddrV4 { SocketAddrV4 { inner: c::sockaddr_in { sin_family: c::AF_INET as c::sa_family_t, sin_port: port.to_be(), sin_addr: ip.inner, ..unsafe { mem::zeroed() } }, } } /// Returns the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV4, Ipv4Addr}; /// /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); /// assert_eq!(socket.ip(), &Ipv4Addr::new(127, 0, 0, 1)); /// ``` #[cfg(const_raw_ptr_deref)] #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn ip(&self) -> &Ipv4Addr { // SAFETY: `Ipv4Addr` is `#[repr(C)] struct { _: in_addr; }`. // It is safe to cast from `&in_addr` to `&Ipv4Addr`. unsafe { &*(&self.inner.sin_addr as *const c::in_addr as *const Ipv4Addr) } } /// Returns the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV4, Ipv4Addr}; /// /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); /// assert_eq!(socket.ip(), &Ipv4Addr::new(127, 0, 0, 1)); /// ``` #[cfg(not(const_raw_ptr_deref))] #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub fn ip(&self) -> &Ipv4Addr { // SAFETY: `Ipv4Addr` is `#[repr(C)] struct { _: in_addr; }`. // It is safe to cast from `&in_addr` to `&Ipv4Addr`. unsafe { &*(&self.inner.sin_addr as *const c::in_addr as *const Ipv4Addr) } } /// Changes the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV4, Ipv4Addr}; /// /// let mut socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); /// socket.set_ip(Ipv4Addr::new(192, 168, 0, 1)); /// assert_eq!(socket.ip(), &Ipv4Addr::new(192, 168, 0, 1)); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_ip(&mut self, new_ip: Ipv4Addr) { self.inner.sin_addr = new_ip.inner } /// Returns the port number associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV4, Ipv4Addr}; /// /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); /// assert_eq!(socket.port(), 8080); /// ``` #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn port(&self) -> u16 { u16::from_be(self.inner.sin_port) } /// Changes the port number associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV4, Ipv4Addr}; /// /// let mut socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); /// socket.set_port(4242); /// assert_eq!(socket.port(), 4242); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_port(&mut self, new_port: u16) { self.inner.sin_port = new_port.to_be(); } } impl SocketAddrV6 { /// Creates a new socket address from an [`IPv6` address], a 16-bit port number, /// and the `flowinfo` and `scope_id` fields. /// /// For more information on the meaning and layout of the `flowinfo` and `scope_id` /// parameters, see [IETF RFC 2553, Section 3.3]. /// /// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 /// [`IPv6` address]: Ipv6Addr /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); /// ``` #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[must_use] pub fn new(ip: Ipv6Addr, port: u16, flowinfo: u32, scope_id: u32) -> SocketAddrV6 { SocketAddrV6 { inner: sockaddr_in6_new( c::AF_INET6 as c::sa_family_t, port.to_be(), flowinfo, ip.inner, scope_id, ), } } /// Returns the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); /// assert_eq!(socket.ip(), &Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); /// ``` #[cfg(const_raw_ptr_deref)] #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn ip(&self) -> &Ipv6Addr { unsafe { &*(&self.inner.sin6_addr as *const c::in6_addr as *const Ipv6Addr) } } /// Returns the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); /// assert_eq!(socket.ip(), &Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); /// ``` #[cfg(not(const_raw_ptr_deref))] #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub fn ip(&self) -> &Ipv6Addr { unsafe { &*(&self.inner.sin6_addr as *const c::in6_addr as *const Ipv6Addr) } } /// Changes the IP address associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); /// socket.set_ip(Ipv6Addr::new(76, 45, 0, 0, 0, 0, 0, 0)); /// assert_eq!(socket.ip(), &Ipv6Addr::new(76, 45, 0, 0, 0, 0, 0, 0)); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_ip(&mut self, new_ip: Ipv6Addr) { self.inner.sin6_addr = new_ip.inner } /// Returns the port number associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); /// assert_eq!(socket.port(), 8080); /// ``` #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn port(&self) -> u16 { u16::from_be(self.inner.sin6_port) } /// Changes the port number associated with this socket address. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); /// socket.set_port(4242); /// assert_eq!(socket.port(), 4242); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_port(&mut self, new_port: u16) { self.inner.sin6_port = new_port.to_be(); } /// Returns the flow information associated with this address. /// /// This information corresponds to the `sin6_flowinfo` field in C's `netinet/in.h`, /// as specified in [IETF RFC 2553, Section 3.3]. /// It combines information about the flow label and the traffic class as specified /// in [IETF RFC 2460], respectively [Section 6] and [Section 7]. /// /// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 /// [IETF RFC 2460]: https://tools.ietf.org/html/rfc2460 /// [Section 6]: https://tools.ietf.org/html/rfc2460#section-6 /// [Section 7]: https://tools.ietf.org/html/rfc2460#section-7 /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 10, 0); /// assert_eq!(socket.flowinfo(), 10); /// ``` #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn flowinfo(&self) -> u32 { self.inner.sin6_flowinfo } /// Changes the flow information associated with this socket address. /// /// See [`SocketAddrV6::flowinfo`]'s documentation for more details. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 10, 0); /// socket.set_flowinfo(56); /// assert_eq!(socket.flowinfo(), 56); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_flowinfo(&mut self, new_flowinfo: u32) { self.inner.sin6_flowinfo = new_flowinfo; } /// Returns the scope ID associated with this address. /// /// This information corresponds to the `sin6_scope_id` field in C's `netinet/in.h`, /// as specified in [IETF RFC 2553, Section 3.3]. /// /// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 78); /// assert_eq!(socket.scope_id(), 78); /// ``` #[must_use] #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] #[cfg_attr( staged_api, rustc_const_unstable(feature = "const_socketaddr", issue = "82485") )] pub const fn scope_id(&self) -> u32 { sockaddr_in6_sin6_scope_id(self.inner) } /// Changes the scope ID associated with this socket address. /// /// See [`SocketAddrV6::scope_id`]'s documentation for more details. /// /// # Examples /// /// ``` /// use std::net::{SocketAddrV6, Ipv6Addr}; /// /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 78); /// socket.set_scope_id(42); /// assert_eq!(socket.scope_id(), 42); /// ``` #[cfg_attr(staged_api, stable(feature = "sockaddr_setters", since = "1.9.0"))] pub fn set_scope_id(&mut self, new_scope_id: u32) { *sockaddr_in6_sin6_scope_id_mut(&mut self.inner) = new_scope_id; } } #[cfg_attr(staged_api, stable(feature = "ip_from_ip", since = "1.16.0"))] impl From for SocketAddr { /// Converts a [`SocketAddrV4`] into a [`SocketAddr::V4`]. fn from(sock4: SocketAddrV4) -> SocketAddr { SocketAddr::V4(sock4) } } #[cfg_attr(staged_api, stable(feature = "ip_from_ip", since = "1.16.0"))] impl From for SocketAddr { /// Converts a [`SocketAddrV6`] into a [`SocketAddr::V6`]. fn from(sock6: SocketAddrV6) -> SocketAddr { SocketAddr::V6(sock6) } } #[cfg_attr(staged_api, stable(feature = "addr_from_into_ip", since = "1.17.0"))] impl> From<(I, u16)> for SocketAddr { /// Converts a tuple struct (Into<[`IpAddr`]>, `u16`) into a [`SocketAddr`]. /// /// This conversion creates a [`SocketAddr::V4`] for an [`IpAddr::V4`] /// and creates a [`SocketAddr::V6`] for an [`IpAddr::V6`]. /// /// `u16` is treated as port of the newly created [`SocketAddr`]. fn from(pieces: (I, u16)) -> SocketAddr { SocketAddr::new(pieces.0.into(), pieces.1) } } #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl Clone for SocketAddrV4 { fn clone(&self) -> SocketAddrV4 { *self } } #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl Clone for SocketAddrV6 { fn clone(&self) -> SocketAddrV6 { *self } } #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl PartialEq for SocketAddrV4 { fn eq(&self, other: &SocketAddrV4) -> bool { self.inner.sin_port == other.inner.sin_port && in_addr_s_addr(self.inner.sin_addr) == in_addr_s_addr(other.inner.sin_addr) } } #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl PartialEq for SocketAddrV6 { fn eq(&self, other: &SocketAddrV6) -> bool { self.inner.sin6_port == other.inner.sin6_port && in6_addr_s6_addr(self.inner.sin6_addr) == in6_addr_s6_addr(self.inner.sin6_addr) && self.inner.sin6_flowinfo == other.inner.sin6_flowinfo && sockaddr_in6_sin6_scope_id(self.inner) == sockaddr_in6_sin6_scope_id(other.inner) } } #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl Eq for SocketAddrV4 {} #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl Eq for SocketAddrV6 {} #[cfg_attr(staged_api, stable(feature = "socketaddr_ordering", since = "1.45.0"))] impl PartialOrd for SocketAddrV4 { fn partial_cmp(&self, other: &SocketAddrV4) -> Option { Some(self.cmp(other)) } } #[cfg_attr(staged_api, stable(feature = "socketaddr_ordering", since = "1.45.0"))] impl PartialOrd for SocketAddrV6 { fn partial_cmp(&self, other: &SocketAddrV6) -> Option { Some(self.cmp(other)) } } #[cfg_attr(staged_api, stable(feature = "socketaddr_ordering", since = "1.45.0"))] impl Ord for SocketAddrV4 { fn cmp(&self, other: &SocketAddrV4) -> Ordering { self.ip() .cmp(other.ip()) .then(self.port().cmp(&other.port())) } } #[cfg_attr(staged_api, stable(feature = "socketaddr_ordering", since = "1.45.0"))] impl Ord for SocketAddrV6 { fn cmp(&self, other: &SocketAddrV6) -> Ordering { self.ip() .cmp(other.ip()) .then(self.port().cmp(&other.port())) } } #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl hash::Hash for SocketAddrV4 { fn hash(&self, s: &mut H) { (self.inner.sin_port, in_addr_s_addr(self.inner.sin_addr)).hash(s) } } #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] impl hash::Hash for SocketAddrV6 { fn hash(&self, s: &mut H) { ( self.inner.sin6_port, &in6_addr_s6_addr(self.inner.sin6_addr), self.inner.sin6_flowinfo, sockaddr_in6_sin6_scope_id(self.inner), ) .hash(s) } }