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-rw-r--r--library/std/src/net/socket_addr.rs974
-rw-r--r--library/std/src/net/socket_addr/tests.rs306
2 files changed, 1280 insertions, 0 deletions
diff --git a/library/std/src/net/socket_addr.rs b/library/std/src/net/socket_addr.rs
new file mode 100644
index 000000000..33b0dfa03
--- /dev/null
+++ b/library/std/src/net/socket_addr.rs
@@ -0,0 +1,974 @@
+#[cfg(all(test, not(target_os = "emscripten")))]
+mod tests;
+
+use crate::cmp::Ordering;
+use crate::fmt::{self, Write};
+use crate::hash;
+use crate::io;
+use crate::iter;
+use crate::mem;
+use crate::net::{IpAddr, Ipv4Addr, Ipv6Addr};
+use crate::option;
+use crate::slice;
+use crate::sys::net::netc as c;
+use crate::sys_common::net::LookupHost;
+use crate::sys_common::{FromInner, IntoInner};
+use crate::vec;
+
+use super::display_buffer::DisplayBuffer;
+
+/// 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)]
+#[stable(feature = "rust1", since = "1.0.0")]
+pub enum SocketAddr {
+ /// An IPv4 socket address.
+ #[stable(feature = "rust1", since = "1.0.0")]
+ V4(#[stable(feature = "rust1", since = "1.0.0")] SocketAddrV4),
+ /// An IPv6 socket address.
+ #[stable(feature = "rust1", since = "1.0.0")]
+ V6(#[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, Clone, Eq, PartialEq)]
+#[stable(feature = "rust1", since = "1.0.0")]
+pub struct SocketAddrV4 {
+ ip: Ipv4Addr,
+ port: u16,
+}
+
+/// 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, Clone, Eq, PartialEq)]
+#[stable(feature = "rust1", since = "1.0.0")]
+pub struct SocketAddrV6 {
+ ip: Ipv6Addr,
+ port: u16,
+ flowinfo: u32,
+ scope_id: u32,
+}
+
+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);
+ /// ```
+ #[stable(feature = "ip_addr", since = "1.7.0")]
+ #[must_use]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const 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)));
+ /// ```
+ #[must_use]
+ #[stable(feature = "ip_addr", since = "1.7.0")]
+ #[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()),
+ }
+ }
+
+ /// 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)));
+ /// ```
+ #[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]
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[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);
+ /// ```
+ #[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]
+ #[stable(feature = "sockaddr_checker", since = "1.16.0")]
+ #[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]
+ #[stable(feature = "sockaddr_checker", since = "1.16.0")]
+ #[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);
+ /// ```
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[must_use]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn new(ip: Ipv4Addr, port: u16) -> SocketAddrV4 {
+ SocketAddrV4 { ip, port }
+ }
+
+ /// 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));
+ /// ```
+ #[must_use]
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn ip(&self) -> &Ipv4Addr {
+ &self.ip
+ }
+
+ /// 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));
+ /// ```
+ #[stable(feature = "sockaddr_setters", since = "1.9.0")]
+ pub fn set_ip(&mut self, new_ip: Ipv4Addr) {
+ self.ip = new_ip;
+ }
+
+ /// 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]
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn port(&self) -> u16 {
+ self.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);
+ /// ```
+ #[stable(feature = "sockaddr_setters", since = "1.9.0")]
+ pub fn set_port(&mut self, new_port: u16) {
+ self.port = new_port;
+ }
+}
+
+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);
+ /// ```
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[must_use]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn new(ip: Ipv6Addr, port: u16, flowinfo: u32, scope_id: u32) -> SocketAddrV6 {
+ SocketAddrV6 { ip, port, flowinfo, 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));
+ /// ```
+ #[must_use]
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn ip(&self) -> &Ipv6Addr {
+ &self.ip
+ }
+
+ /// 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));
+ /// ```
+ #[stable(feature = "sockaddr_setters", since = "1.9.0")]
+ pub fn set_ip(&mut self, new_ip: Ipv6Addr) {
+ self.ip = new_ip;
+ }
+
+ /// 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]
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn port(&self) -> u16 {
+ self.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);
+ /// ```
+ #[stable(feature = "sockaddr_setters", since = "1.9.0")]
+ pub fn set_port(&mut self, new_port: u16) {
+ self.port = new_port;
+ }
+
+ /// 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]
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn flowinfo(&self) -> u32 {
+ self.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);
+ /// ```
+ #[stable(feature = "sockaddr_setters", since = "1.9.0")]
+ pub fn set_flowinfo(&mut self, new_flowinfo: u32) {
+ self.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]
+ #[stable(feature = "rust1", since = "1.0.0")]
+ #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")]
+ pub const fn scope_id(&self) -> u32 {
+ self.scope_id
+ }
+
+ /// 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);
+ /// ```
+ #[stable(feature = "sockaddr_setters", since = "1.9.0")]
+ pub fn set_scope_id(&mut self, new_scope_id: u32) {
+ self.scope_id = new_scope_id;
+ }
+}
+
+impl FromInner<c::sockaddr_in> for SocketAddrV4 {
+ fn from_inner(addr: c::sockaddr_in) -> SocketAddrV4 {
+ SocketAddrV4 { ip: Ipv4Addr::from_inner(addr.sin_addr), port: u16::from_be(addr.sin_port) }
+ }
+}
+
+impl FromInner<c::sockaddr_in6> for SocketAddrV6 {
+ fn from_inner(addr: c::sockaddr_in6) -> SocketAddrV6 {
+ SocketAddrV6 {
+ ip: Ipv6Addr::from_inner(addr.sin6_addr),
+ port: u16::from_be(addr.sin6_port),
+ flowinfo: addr.sin6_flowinfo,
+ scope_id: addr.sin6_scope_id,
+ }
+ }
+}
+
+impl IntoInner<c::sockaddr_in> for SocketAddrV4 {
+ fn into_inner(self) -> c::sockaddr_in {
+ c::sockaddr_in {
+ sin_family: c::AF_INET as c::sa_family_t,
+ sin_port: self.port.to_be(),
+ sin_addr: self.ip.into_inner(),
+ ..unsafe { mem::zeroed() }
+ }
+ }
+}
+
+impl IntoInner<c::sockaddr_in6> for SocketAddrV6 {
+ fn into_inner(self) -> c::sockaddr_in6 {
+ c::sockaddr_in6 {
+ sin6_family: c::AF_INET6 as c::sa_family_t,
+ sin6_port: self.port.to_be(),
+ sin6_addr: self.ip.into_inner(),
+ sin6_flowinfo: self.flowinfo,
+ sin6_scope_id: self.scope_id,
+ ..unsafe { mem::zeroed() }
+ }
+ }
+}
+
+#[stable(feature = "ip_from_ip", since = "1.16.0")]
+impl From<SocketAddrV4> for SocketAddr {
+ /// Converts a [`SocketAddrV4`] into a [`SocketAddr::V4`].
+ fn from(sock4: SocketAddrV4) -> SocketAddr {
+ SocketAddr::V4(sock4)
+ }
+}
+
+#[stable(feature = "ip_from_ip", since = "1.16.0")]
+impl From<SocketAddrV6> for SocketAddr {
+ /// Converts a [`SocketAddrV6`] into a [`SocketAddr::V6`].
+ fn from(sock6: SocketAddrV6) -> SocketAddr {
+ SocketAddr::V6(sock6)
+ }
+}
+
+#[stable(feature = "addr_from_into_ip", since = "1.17.0")]
+impl<I: Into<IpAddr>> 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)
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl fmt::Display for SocketAddr {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ match *self {
+ SocketAddr::V4(ref a) => a.fmt(f),
+ SocketAddr::V6(ref a) => a.fmt(f),
+ }
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl fmt::Debug for SocketAddr {
+ fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
+ fmt::Display::fmt(self, fmt)
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl fmt::Display for SocketAddrV4 {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ // If there are no alignment requirements, write the socket address directly to `f`.
+ // Otherwise, write it to a local buffer and then use `f.pad`.
+ if f.precision().is_none() && f.width().is_none() {
+ write!(f, "{}:{}", self.ip(), self.port())
+ } else {
+ const LONGEST_IPV4_SOCKET_ADDR: &str = "255.255.255.255:65536";
+
+ let mut buf = DisplayBuffer::<{ LONGEST_IPV4_SOCKET_ADDR.len() }>::new();
+ // Buffer is long enough for the longest possible IPv4 socket address, so this should never fail.
+ write!(buf, "{}:{}", self.ip(), self.port()).unwrap();
+
+ f.pad(buf.as_str())
+ }
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl fmt::Debug for SocketAddrV4 {
+ fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
+ fmt::Display::fmt(self, fmt)
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl fmt::Display for SocketAddrV6 {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ // If there are no alignment requirements, write the socket address directly to `f`.
+ // Otherwise, write it to a local buffer and then use `f.pad`.
+ if f.precision().is_none() && f.width().is_none() {
+ match self.scope_id() {
+ 0 => write!(f, "[{}]:{}", self.ip(), self.port()),
+ scope_id => write!(f, "[{}%{}]:{}", self.ip(), scope_id, self.port()),
+ }
+ } else {
+ const LONGEST_IPV6_SOCKET_ADDR: &str =
+ "[ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff%4294967296]:65536";
+
+ let mut buf = DisplayBuffer::<{ LONGEST_IPV6_SOCKET_ADDR.len() }>::new();
+ match self.scope_id() {
+ 0 => write!(buf, "[{}]:{}", self.ip(), self.port()),
+ scope_id => write!(buf, "[{}%{}]:{}", self.ip(), scope_id, self.port()),
+ }
+ // Buffer is long enough for the longest possible IPv6 socket address, so this should never fail.
+ .unwrap();
+
+ f.pad(buf.as_str())
+ }
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl fmt::Debug for SocketAddrV6 {
+ fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
+ fmt::Display::fmt(self, fmt)
+ }
+}
+
+#[stable(feature = "socketaddr_ordering", since = "1.45.0")]
+impl PartialOrd for SocketAddrV4 {
+ fn partial_cmp(&self, other: &SocketAddrV4) -> Option<Ordering> {
+ Some(self.cmp(other))
+ }
+}
+
+#[stable(feature = "socketaddr_ordering", since = "1.45.0")]
+impl PartialOrd for SocketAddrV6 {
+ fn partial_cmp(&self, other: &SocketAddrV6) -> Option<Ordering> {
+ Some(self.cmp(other))
+ }
+}
+
+#[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()))
+ }
+}
+
+#[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()))
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl hash::Hash for SocketAddrV4 {
+ fn hash<H: hash::Hasher>(&self, s: &mut H) {
+ (self.port, self.ip).hash(s)
+ }
+}
+#[stable(feature = "rust1", since = "1.0.0")]
+impl hash::Hash for SocketAddrV6 {
+ fn hash<H: hash::Hasher>(&self, s: &mut H) {
+ (self.port, &self.ip, self.flowinfo, self.scope_id).hash(s)
+ }
+}
+
+/// A trait for objects which can be converted or resolved to one or more
+/// [`SocketAddr`] values.
+///
+/// This trait is used for generic address resolution when constructing network
+/// objects. By default it is implemented for the following types:
+///
+/// * [`SocketAddr`]: [`to_socket_addrs`] is the identity function.
+///
+/// * [`SocketAddrV4`], [`SocketAddrV6`], <code>([IpAddr], [u16])</code>,
+/// <code>([Ipv4Addr], [u16])</code>, <code>([Ipv6Addr], [u16])</code>:
+/// [`to_socket_addrs`] constructs a [`SocketAddr`] trivially.
+///
+/// * <code>(&[str], [u16])</code>: <code>&[str]</code> should be either a string representation
+/// of an [`IpAddr`] address as expected by [`FromStr`] implementation or a host
+/// name. [`u16`] is the port number.
+///
+/// * <code>&[str]</code>: the string should be either a string representation of a
+/// [`SocketAddr`] as expected by its [`FromStr`] implementation or a string like
+/// `<host_name>:<port>` pair where `<port>` is a [`u16`] value.
+///
+/// This trait allows constructing network objects like [`TcpStream`] or
+/// [`UdpSocket`] easily with values of various types for the bind/connection
+/// address. It is needed because sometimes one type is more appropriate than
+/// the other: for simple uses a string like `"localhost:12345"` is much nicer
+/// than manual construction of the corresponding [`SocketAddr`], but sometimes
+/// [`SocketAddr`] value is *the* main source of the address, and converting it to
+/// some other type (e.g., a string) just for it to be converted back to
+/// [`SocketAddr`] in constructor methods is pointless.
+///
+/// Addresses returned by the operating system that are not IP addresses are
+/// silently ignored.
+///
+/// [`FromStr`]: crate::str::FromStr "std::str::FromStr"
+/// [`TcpStream`]: crate::net::TcpStream "net::TcpStream"
+/// [`to_socket_addrs`]: ToSocketAddrs::to_socket_addrs
+/// [`UdpSocket`]: crate::net::UdpSocket "net::UdpSocket"
+///
+/// # Examples
+///
+/// Creating a [`SocketAddr`] iterator that yields one item:
+///
+/// ```
+/// use std::net::{ToSocketAddrs, SocketAddr};
+///
+/// let addr = SocketAddr::from(([127, 0, 0, 1], 443));
+/// let mut addrs_iter = addr.to_socket_addrs().unwrap();
+///
+/// assert_eq!(Some(addr), addrs_iter.next());
+/// assert!(addrs_iter.next().is_none());
+/// ```
+///
+/// Creating a [`SocketAddr`] iterator from a hostname:
+///
+/// ```no_run
+/// use std::net::{SocketAddr, ToSocketAddrs};
+///
+/// // assuming 'localhost' resolves to 127.0.0.1
+/// let mut addrs_iter = "localhost:443".to_socket_addrs().unwrap();
+/// assert_eq!(addrs_iter.next(), Some(SocketAddr::from(([127, 0, 0, 1], 443))));
+/// assert!(addrs_iter.next().is_none());
+///
+/// // assuming 'foo' does not resolve
+/// assert!("foo:443".to_socket_addrs().is_err());
+/// ```
+///
+/// Creating a [`SocketAddr`] iterator that yields multiple items:
+///
+/// ```
+/// use std::net::{SocketAddr, ToSocketAddrs};
+///
+/// let addr1 = SocketAddr::from(([0, 0, 0, 0], 80));
+/// let addr2 = SocketAddr::from(([127, 0, 0, 1], 443));
+/// let addrs = vec![addr1, addr2];
+///
+/// let mut addrs_iter = (&addrs[..]).to_socket_addrs().unwrap();
+///
+/// assert_eq!(Some(addr1), addrs_iter.next());
+/// assert_eq!(Some(addr2), addrs_iter.next());
+/// assert!(addrs_iter.next().is_none());
+/// ```
+///
+/// Attempting to create a [`SocketAddr`] iterator from an improperly formatted
+/// socket address `&str` (missing the port):
+///
+/// ```
+/// use std::io;
+/// use std::net::ToSocketAddrs;
+///
+/// let err = "127.0.0.1".to_socket_addrs().unwrap_err();
+/// assert_eq!(err.kind(), io::ErrorKind::InvalidInput);
+/// ```
+///
+/// [`TcpStream::connect`] is an example of an function that utilizes
+/// `ToSocketAddrs` as a trait bound on its parameter in order to accept
+/// different types:
+///
+/// ```no_run
+/// use std::net::{TcpStream, Ipv4Addr};
+///
+/// let stream = TcpStream::connect(("127.0.0.1", 443));
+/// // or
+/// let stream = TcpStream::connect("127.0.0.1:443");
+/// // or
+/// let stream = TcpStream::connect((Ipv4Addr::new(127, 0, 0, 1), 443));
+/// ```
+///
+/// [`TcpStream::connect`]: crate::net::TcpStream::connect
+#[stable(feature = "rust1", since = "1.0.0")]
+pub trait ToSocketAddrs {
+ /// Returned iterator over socket addresses which this type may correspond
+ /// to.
+ #[stable(feature = "rust1", since = "1.0.0")]
+ type Iter: Iterator<Item = SocketAddr>;
+
+ /// Converts this object to an iterator of resolved [`SocketAddr`]s.
+ ///
+ /// The returned iterator might not actually yield any values depending on the
+ /// outcome of any resolution performed.
+ ///
+ /// Note that this function may block the current thread while resolution is
+ /// performed.
+ #[stable(feature = "rust1", since = "1.0.0")]
+ fn to_socket_addrs(&self) -> io::Result<Self::Iter>;
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for SocketAddr {
+ type Iter = option::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> {
+ Ok(Some(*self).into_iter())
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for SocketAddrV4 {
+ type Iter = option::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> {
+ SocketAddr::V4(*self).to_socket_addrs()
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for SocketAddrV6 {
+ type Iter = option::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> {
+ SocketAddr::V6(*self).to_socket_addrs()
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for (IpAddr, u16) {
+ type Iter = option::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> {
+ let (ip, port) = *self;
+ match ip {
+ IpAddr::V4(ref a) => (*a, port).to_socket_addrs(),
+ IpAddr::V6(ref a) => (*a, port).to_socket_addrs(),
+ }
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for (Ipv4Addr, u16) {
+ type Iter = option::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> {
+ let (ip, port) = *self;
+ SocketAddrV4::new(ip, port).to_socket_addrs()
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for (Ipv6Addr, u16) {
+ type Iter = option::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> {
+ let (ip, port) = *self;
+ SocketAddrV6::new(ip, port, 0, 0).to_socket_addrs()
+ }
+}
+
+fn resolve_socket_addr(lh: LookupHost) -> io::Result<vec::IntoIter<SocketAddr>> {
+ let p = lh.port();
+ let v: Vec<_> = lh
+ .map(|mut a| {
+ a.set_port(p);
+ a
+ })
+ .collect();
+ Ok(v.into_iter())
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for (&str, u16) {
+ type Iter = vec::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> {
+ let (host, port) = *self;
+
+ // try to parse the host as a regular IP address first
+ if let Ok(addr) = host.parse::<Ipv4Addr>() {
+ let addr = SocketAddrV4::new(addr, port);
+ return Ok(vec![SocketAddr::V4(addr)].into_iter());
+ }
+ if let Ok(addr) = host.parse::<Ipv6Addr>() {
+ let addr = SocketAddrV6::new(addr, port, 0, 0);
+ return Ok(vec![SocketAddr::V6(addr)].into_iter());
+ }
+
+ resolve_socket_addr((host, port).try_into()?)
+ }
+}
+
+#[stable(feature = "string_u16_to_socket_addrs", since = "1.46.0")]
+impl ToSocketAddrs for (String, u16) {
+ type Iter = vec::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> {
+ (&*self.0, self.1).to_socket_addrs()
+ }
+}
+
+// accepts strings like 'localhost:12345'
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ToSocketAddrs for str {
+ type Iter = vec::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> {
+ // try to parse as a regular SocketAddr first
+ if let Ok(addr) = self.parse() {
+ return Ok(vec![addr].into_iter());
+ }
+
+ resolve_socket_addr(self.try_into()?)
+ }
+}
+
+#[stable(feature = "slice_to_socket_addrs", since = "1.8.0")]
+impl<'a> ToSocketAddrs for &'a [SocketAddr] {
+ type Iter = iter::Cloned<slice::Iter<'a, SocketAddr>>;
+
+ fn to_socket_addrs(&self) -> io::Result<Self::Iter> {
+ Ok(self.iter().cloned())
+ }
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl<T: ToSocketAddrs + ?Sized> ToSocketAddrs for &T {
+ type Iter = T::Iter;
+ fn to_socket_addrs(&self) -> io::Result<T::Iter> {
+ (**self).to_socket_addrs()
+ }
+}
+
+#[stable(feature = "string_to_socket_addrs", since = "1.16.0")]
+impl ToSocketAddrs for String {
+ type Iter = vec::IntoIter<SocketAddr>;
+ fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> {
+ (&**self).to_socket_addrs()
+ }
+}
diff --git a/library/std/src/net/socket_addr/tests.rs b/library/std/src/net/socket_addr/tests.rs
new file mode 100644
index 000000000..15211f819
--- /dev/null
+++ b/library/std/src/net/socket_addr/tests.rs
@@ -0,0 +1,306 @@
+use crate::net::test::{sa4, sa6, tsa};
+use crate::net::*;
+
+#[test]
+fn to_socket_addr_ipaddr_u16() {
+ let a = Ipv4Addr::new(77, 88, 21, 11);
+ let p = 12345;
+ let e = SocketAddr::V4(SocketAddrV4::new(a, p));
+ assert_eq!(Ok(vec![e]), tsa((a, p)));
+}
+
+#[test]
+fn to_socket_addr_str_u16() {
+ let a = sa4(Ipv4Addr::new(77, 88, 21, 11), 24352);
+ assert_eq!(Ok(vec![a]), tsa(("77.88.21.11", 24352)));
+
+ let a = sa6(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 53);
+ assert_eq!(Ok(vec![a]), tsa(("2a02:6b8:0:1::1", 53)));
+
+ let a = sa4(Ipv4Addr::new(127, 0, 0, 1), 23924);
+ #[cfg(not(target_env = "sgx"))]
+ assert!(tsa(("localhost", 23924)).unwrap().contains(&a));
+ #[cfg(target_env = "sgx")]
+ let _ = a;
+}
+
+#[test]
+fn to_socket_addr_str() {
+ let a = sa4(Ipv4Addr::new(77, 88, 21, 11), 24352);
+ assert_eq!(Ok(vec![a]), tsa("77.88.21.11:24352"));
+
+ let a = sa6(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 53);
+ assert_eq!(Ok(vec![a]), tsa("[2a02:6b8:0:1::1]:53"));
+
+ let a = sa4(Ipv4Addr::new(127, 0, 0, 1), 23924);
+ #[cfg(not(target_env = "sgx"))]
+ assert!(tsa("localhost:23924").unwrap().contains(&a));
+ #[cfg(target_env = "sgx")]
+ let _ = a;
+}
+
+#[test]
+fn to_socket_addr_string() {
+ let a = sa4(Ipv4Addr::new(77, 88, 21, 11), 24352);
+ assert_eq!(Ok(vec![a]), tsa(&*format!("{}:{}", "77.88.21.11", "24352")));
+ assert_eq!(Ok(vec![a]), tsa(&format!("{}:{}", "77.88.21.11", "24352")));
+ assert_eq!(Ok(vec![a]), tsa(format!("{}:{}", "77.88.21.11", "24352")));
+
+ let s = format!("{}:{}", "77.88.21.11", "24352");
+ assert_eq!(Ok(vec![a]), tsa(s));
+ // s has been moved into the tsa call
+}
+
+#[test]
+fn ipv4_socket_addr_to_string() {
+ // Shortest possible IPv4 length.
+ assert_eq!(SocketAddrV4::new(Ipv4Addr::new(0, 0, 0, 0), 0).to_string(), "0.0.0.0:0");
+
+ // Longest possible IPv4 length.
+ assert_eq!(
+ SocketAddrV4::new(Ipv4Addr::new(255, 255, 255, 255), u16::MAX).to_string(),
+ "255.255.255.255:65535"
+ );
+
+ // Test padding.
+ assert_eq!(
+ &format!("{:16}", SocketAddrV4::new(Ipv4Addr::new(1, 1, 1, 1), 53)),
+ "1.1.1.1:53 "
+ );
+ assert_eq!(
+ &format!("{:>16}", SocketAddrV4::new(Ipv4Addr::new(1, 1, 1, 1), 53)),
+ " 1.1.1.1:53"
+ );
+}
+
+#[test]
+fn ipv6_socket_addr_to_string() {
+ // IPv4-mapped address.
+ assert_eq!(
+ SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc000, 0x280), 8080, 0, 0)
+ .to_string(),
+ "[::ffff:192.0.2.128]:8080"
+ );
+
+ // IPv4-compatible address.
+ assert_eq!(
+ SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0xc000, 0x280), 8080, 0, 0).to_string(),
+ "[::192.0.2.128]:8080"
+ );
+
+ // IPv6 address with no zero segments.
+ assert_eq!(
+ SocketAddrV6::new(Ipv6Addr::new(8, 9, 10, 11, 12, 13, 14, 15), 80, 0, 0).to_string(),
+ "[8:9:a:b:c:d:e:f]:80"
+ );
+
+ // Shortest possible IPv6 length.
+ assert_eq!(SocketAddrV6::new(Ipv6Addr::UNSPECIFIED, 0, 0, 0).to_string(), "[::]:0");
+
+ // Longest possible IPv6 length.
+ assert_eq!(
+ SocketAddrV6::new(
+ Ipv6Addr::new(0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7777, 0x8888),
+ u16::MAX,
+ u32::MAX,
+ u32::MAX,
+ )
+ .to_string(),
+ "[1111:2222:3333:4444:5555:6666:7777:8888%4294967295]:65535"
+ );
+
+ // Test padding.
+ assert_eq!(
+ &format!("{:22}", SocketAddrV6::new(Ipv6Addr::new(1, 2, 3, 4, 5, 6, 7, 8), 9, 0, 0)),
+ "[1:2:3:4:5:6:7:8]:9 "
+ );
+ assert_eq!(
+ &format!("{:>22}", SocketAddrV6::new(Ipv6Addr::new(1, 2, 3, 4, 5, 6, 7, 8), 9, 0, 0)),
+ " [1:2:3:4:5:6:7:8]:9"
+ );
+}
+
+#[test]
+fn bind_udp_socket_bad() {
+ // rust-lang/rust#53957: This is a regression test for a parsing problem
+ // discovered as part of issue rust-lang/rust#23076, where we were
+ // incorrectly parsing invalid input and then that would result in a
+ // successful `UdpSocket` binding when we would expect failure.
+ //
+ // At one time, this test was written as a call to `tsa` with
+ // INPUT_23076. However, that structure yields an unreliable test,
+ // because it ends up passing junk input to the DNS server, and some DNS
+ // servers will respond with `Ok` to such input, with the ip address of
+ // the DNS server itself.
+ //
+ // This form of the test is more robust: even when the DNS server
+ // returns its own address, it is still an error to bind a UDP socket to
+ // a non-local address, and so we still get an error here in that case.
+
+ const INPUT_23076: &str = "1200::AB00:1234::2552:7777:1313:34300";
+
+ assert!(crate::net::UdpSocket::bind(INPUT_23076).is_err())
+}
+
+#[test]
+fn set_ip() {
+ fn ip4(low: u8) -> Ipv4Addr {
+ Ipv4Addr::new(77, 88, 21, low)
+ }
+ fn ip6(low: u16) -> Ipv6Addr {
+ Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, low)
+ }
+
+ let mut v4 = SocketAddrV4::new(ip4(11), 80);
+ assert_eq!(v4.ip(), &ip4(11));
+ v4.set_ip(ip4(12));
+ assert_eq!(v4.ip(), &ip4(12));
+
+ let mut addr = SocketAddr::V4(v4);
+ assert_eq!(addr.ip(), IpAddr::V4(ip4(12)));
+ addr.set_ip(IpAddr::V4(ip4(13)));
+ assert_eq!(addr.ip(), IpAddr::V4(ip4(13)));
+ addr.set_ip(IpAddr::V6(ip6(14)));
+ assert_eq!(addr.ip(), IpAddr::V6(ip6(14)));
+
+ let mut v6 = SocketAddrV6::new(ip6(1), 80, 0, 0);
+ assert_eq!(v6.ip(), &ip6(1));
+ v6.set_ip(ip6(2));
+ assert_eq!(v6.ip(), &ip6(2));
+
+ let mut addr = SocketAddr::V6(v6);
+ assert_eq!(addr.ip(), IpAddr::V6(ip6(2)));
+ addr.set_ip(IpAddr::V6(ip6(3)));
+ assert_eq!(addr.ip(), IpAddr::V6(ip6(3)));
+ addr.set_ip(IpAddr::V4(ip4(4)));
+ assert_eq!(addr.ip(), IpAddr::V4(ip4(4)));
+}
+
+#[test]
+fn set_port() {
+ let mut v4 = SocketAddrV4::new(Ipv4Addr::new(77, 88, 21, 11), 80);
+ assert_eq!(v4.port(), 80);
+ v4.set_port(443);
+ assert_eq!(v4.port(), 443);
+
+ let mut addr = SocketAddr::V4(v4);
+ assert_eq!(addr.port(), 443);
+ addr.set_port(8080);
+ assert_eq!(addr.port(), 8080);
+
+ let mut v6 = SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 80, 0, 0);
+ assert_eq!(v6.port(), 80);
+ v6.set_port(443);
+ assert_eq!(v6.port(), 443);
+
+ let mut addr = SocketAddr::V6(v6);
+ assert_eq!(addr.port(), 443);
+ addr.set_port(8080);
+ assert_eq!(addr.port(), 8080);
+}
+
+#[test]
+fn set_flowinfo() {
+ let mut v6 = SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 80, 10, 0);
+ assert_eq!(v6.flowinfo(), 10);
+ v6.set_flowinfo(20);
+ assert_eq!(v6.flowinfo(), 20);
+}
+
+#[test]
+fn set_scope_id() {
+ let mut v6 = SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 80, 0, 10);
+ assert_eq!(v6.scope_id(), 10);
+ v6.set_scope_id(20);
+ assert_eq!(v6.scope_id(), 20);
+}
+
+#[test]
+fn is_v4() {
+ let v4 = SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(77, 88, 21, 11), 80));
+ assert!(v4.is_ipv4());
+ assert!(!v4.is_ipv6());
+}
+
+#[test]
+fn is_v6() {
+ let v6 = SocketAddr::V6(SocketAddrV6::new(
+ Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1),
+ 80,
+ 10,
+ 0,
+ ));
+ assert!(!v6.is_ipv4());
+ assert!(v6.is_ipv6());
+}
+
+#[test]
+fn socket_v4_to_str() {
+ let socket = SocketAddrV4::new(Ipv4Addr::new(192, 168, 0, 1), 8080);
+
+ assert_eq!(format!("{socket}"), "192.168.0.1:8080");
+ assert_eq!(format!("{socket:<20}"), "192.168.0.1:8080 ");
+ assert_eq!(format!("{socket:>20}"), " 192.168.0.1:8080");
+ assert_eq!(format!("{socket:^20}"), " 192.168.0.1:8080 ");
+ assert_eq!(format!("{socket:.10}"), "192.168.0.");
+}
+
+#[test]
+fn socket_v6_to_str() {
+ let mut socket = SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 53, 0, 0);
+
+ assert_eq!(format!("{socket}"), "[2a02:6b8:0:1::1]:53");
+ assert_eq!(format!("{socket:<24}"), "[2a02:6b8:0:1::1]:53 ");
+ assert_eq!(format!("{socket:>24}"), " [2a02:6b8:0:1::1]:53");
+ assert_eq!(format!("{socket:^24}"), " [2a02:6b8:0:1::1]:53 ");
+ assert_eq!(format!("{socket:.15}"), "[2a02:6b8:0:1::");
+
+ socket.set_scope_id(5);
+
+ assert_eq!(format!("{socket}"), "[2a02:6b8:0:1::1%5]:53");
+ assert_eq!(format!("{socket:<24}"), "[2a02:6b8:0:1::1%5]:53 ");
+ assert_eq!(format!("{socket:>24}"), " [2a02:6b8:0:1::1%5]:53");
+ assert_eq!(format!("{socket:^24}"), " [2a02:6b8:0:1::1%5]:53 ");
+ assert_eq!(format!("{socket:.18}"), "[2a02:6b8:0:1::1%5");
+}
+
+#[test]
+fn compare() {
+ let v4_1 = "224.120.45.1:23456".parse::<SocketAddrV4>().unwrap();
+ let v4_2 = "224.210.103.5:12345".parse::<SocketAddrV4>().unwrap();
+ let v4_3 = "224.210.103.5:23456".parse::<SocketAddrV4>().unwrap();
+ let v6_1 = "[2001:db8:f00::1002]:23456".parse::<SocketAddrV6>().unwrap();
+ let v6_2 = "[2001:db8:f00::2001]:12345".parse::<SocketAddrV6>().unwrap();
+ let v6_3 = "[2001:db8:f00::2001]:23456".parse::<SocketAddrV6>().unwrap();
+
+ // equality
+ assert_eq!(v4_1, v4_1);
+ assert_eq!(v6_1, v6_1);
+ assert_eq!(SocketAddr::V4(v4_1), SocketAddr::V4(v4_1));
+ assert_eq!(SocketAddr::V6(v6_1), SocketAddr::V6(v6_1));
+ assert!(v4_1 != v4_2);
+ assert!(v6_1 != v6_2);
+
+ // compare different addresses
+ assert!(v4_1 < v4_2);
+ assert!(v6_1 < v6_2);
+ assert!(v4_2 > v4_1);
+ assert!(v6_2 > v6_1);
+
+ // compare the same address with different ports
+ assert!(v4_2 < v4_3);
+ assert!(v6_2 < v6_3);
+ assert!(v4_3 > v4_2);
+ assert!(v6_3 > v6_2);
+
+ // compare different addresses with the same port
+ assert!(v4_1 < v4_3);
+ assert!(v6_1 < v6_3);
+ assert!(v4_3 > v4_1);
+ assert!(v6_3 > v6_1);
+
+ // compare with an inferred right-hand side
+ assert_eq!(v4_1, "224.120.45.1:23456".parse().unwrap());
+ assert_eq!(v6_1, "[2001:db8:f00::1002]:23456".parse().unwrap());
+ assert_eq!(SocketAddr::V4(v4_1), "224.120.45.1:23456".parse().unwrap());
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-23 18:05:52 +0000