| #![unstable(feature = "ip", reason = "extra functionality has not been \ |
| scrutinized to the level that it should \ |
| be to be stable", |
| issue = "27709")] |
| |
| use crate::cmp::Ordering; |
| use crate::fmt; |
| use crate::hash; |
| use crate::sys::net::netc as c; |
| use crate::sys_common::{AsInner, FromInner}; |
| |
| /// An IP address, either IPv4 or IPv6. |
| /// |
| /// This enum can contain either an [`Ipv4Addr`] or an [`Ipv6Addr`], see their |
| /// respective documentation for more details. |
| /// |
| /// The size of an `IpAddr` instance may vary depending on the target operating |
| /// system. |
| /// |
| /// [`Ipv4Addr`]: ../../std/net/struct.Ipv4Addr.html |
| /// [`Ipv6Addr`]: ../../std/net/struct.Ipv6Addr.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// let localhost_v4 = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)); |
| /// let localhost_v6 = IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); |
| /// |
| /// assert_eq!("127.0.0.1".parse(), Ok(localhost_v4)); |
| /// assert_eq!("::1".parse(), Ok(localhost_v6)); |
| /// |
| /// assert_eq!(localhost_v4.is_ipv6(), false); |
| /// assert_eq!(localhost_v4.is_ipv4(), true); |
| /// ``` |
| #[stable(feature = "ip_addr", since = "1.7.0")] |
| #[derive(Copy, Clone, Eq, PartialEq, Debug, Hash, PartialOrd, Ord)] |
| pub enum IpAddr { |
| /// An IPv4 address. |
| #[stable(feature = "ip_addr", since = "1.7.0")] |
| V4(#[stable(feature = "ip_addr", since = "1.7.0")] Ipv4Addr), |
| /// An IPv6 address. |
| #[stable(feature = "ip_addr", since = "1.7.0")] |
| V6(#[stable(feature = "ip_addr", since = "1.7.0")] Ipv6Addr), |
| } |
| |
| /// An IPv4 address. |
| /// |
| /// IPv4 addresses are defined as 32-bit integers in [IETF RFC 791]. |
| /// They are usually represented as four octets. |
| /// |
| /// See [`IpAddr`] for a type encompassing both IPv4 and IPv6 addresses. |
| /// |
| /// The size of an `Ipv4Addr` struct may vary depending on the target operating |
| /// system. |
| /// |
| /// [IETF RFC 791]: https://tools.ietf.org/html/rfc791 |
| /// [`IpAddr`]: ../../std/net/enum.IpAddr.html |
| /// |
| /// # Textual representation |
| /// |
| /// `Ipv4Addr` provides a [`FromStr`] implementation. The four octets are in decimal |
| /// notation, divided by `.` (this is called "dot-decimal notation"). |
| /// |
| /// [`FromStr`]: ../../std/str/trait.FromStr.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let localhost = Ipv4Addr::new(127, 0, 0, 1); |
| /// assert_eq!("127.0.0.1".parse(), Ok(localhost)); |
| /// assert_eq!(localhost.is_loopback(), true); |
| /// ``` |
| #[derive(Copy)] |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub struct Ipv4Addr { |
| inner: c::in_addr, |
| } |
| |
| /// An IPv6 address. |
| /// |
| /// IPv6 addresses are defined as 128-bit integers in [IETF RFC 4291]. |
| /// They are usually represented as eight 16-bit segments. |
| /// |
| /// See [`IpAddr`] for a type encompassing both IPv4 and IPv6 addresses. |
| /// |
| /// The size of an `Ipv6Addr` struct may vary depending on the target operating |
| /// system. |
| /// |
| /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291 |
| /// [`IpAddr`]: ../../std/net/enum.IpAddr.html |
| /// |
| /// # Textual representation |
| /// |
| /// `Ipv6Addr` provides a [`FromStr`] implementation. There are many ways to represent |
| /// an IPv6 address in text, but in general, each segments is written in hexadecimal |
| /// notation, and segments are separated by `:`. For more information, see |
| /// [IETF RFC 5952]. |
| /// |
| /// [`FromStr`]: ../../std/str/trait.FromStr.html |
| /// [IETF RFC 5952]: https://tools.ietf.org/html/rfc5952 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let localhost = Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1); |
| /// assert_eq!("::1".parse(), Ok(localhost)); |
| /// assert_eq!(localhost.is_loopback(), true); |
| /// ``` |
| #[derive(Copy)] |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub struct Ipv6Addr { |
| inner: c::in6_addr, |
| } |
| |
| #[allow(missing_docs)] |
| #[derive(Copy, PartialEq, Eq, Clone, Hash, Debug)] |
| pub enum Ipv6MulticastScope { |
| InterfaceLocal, |
| LinkLocal, |
| RealmLocal, |
| AdminLocal, |
| SiteLocal, |
| OrganizationLocal, |
| Global |
| } |
| |
| impl IpAddr { |
| /// Returns [`true`] for the special 'unspecified' address. |
| /// |
| /// See the documentation for [`Ipv4Addr::is_unspecified`][IPv4] and |
| /// [`Ipv6Addr::is_unspecified`][IPv6] for more details. |
| /// |
| /// [IPv4]: ../../std/net/struct.Ipv4Addr.html#method.is_unspecified |
| /// [IPv6]: ../../std/net/struct.Ipv6Addr.html#method.is_unspecified |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)).is_unspecified(), true); |
| /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)).is_unspecified(), true); |
| /// ``` |
| #[stable(feature = "ip_shared", since = "1.12.0")] |
| pub fn is_unspecified(&self) -> bool { |
| match self { |
| IpAddr::V4(ip) => ip.is_unspecified(), |
| IpAddr::V6(ip) => ip.is_unspecified(), |
| } |
| } |
| |
| /// Returns [`true`] if this is a loopback address. |
| /// |
| /// See the documentation for [`Ipv4Addr::is_loopback`][IPv4] and |
| /// [`Ipv6Addr::is_loopback`][IPv6] for more details. |
| /// |
| /// [IPv4]: ../../std/net/struct.Ipv4Addr.html#method.is_loopback |
| /// [IPv6]: ../../std/net/struct.Ipv6Addr.html#method.is_loopback |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)).is_loopback(), true); |
| /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0x1)).is_loopback(), true); |
| /// ``` |
| #[stable(feature = "ip_shared", since = "1.12.0")] |
| pub fn is_loopback(&self) -> bool { |
| match self { |
| IpAddr::V4(ip) => ip.is_loopback(), |
| IpAddr::V6(ip) => ip.is_loopback(), |
| } |
| } |
| |
| /// Returns [`true`] if the address appears to be globally routable. |
| /// |
| /// See the documentation for [`Ipv4Addr::is_global`][IPv4] and |
| /// [`Ipv6Addr::is_global`][IPv6] for more details. |
| /// |
| /// [IPv4]: ../../std/net/struct.Ipv4Addr.html#method.is_global |
| /// [IPv6]: ../../std/net/struct.Ipv6Addr.html#method.is_global |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// fn main() { |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(80, 9, 12, 3)).is_global(), true); |
| /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0, 0, 0x1c9, 0, 0, 0xafc8, 0, 0x1)).is_global(), |
| /// true); |
| /// } |
| /// ``` |
| pub fn is_global(&self) -> bool { |
| match self { |
| IpAddr::V4(ip) => ip.is_global(), |
| IpAddr::V6(ip) => ip.is_global(), |
| } |
| } |
| |
| /// Returns [`true`] if this is a multicast address. |
| /// |
| /// See the documentation for [`Ipv4Addr::is_multicast`][IPv4] and |
| /// [`Ipv6Addr::is_multicast`][IPv6] for more details. |
| /// |
| /// [IPv4]: ../../std/net/struct.Ipv4Addr.html#method.is_multicast |
| /// [IPv6]: ../../std/net/struct.Ipv6Addr.html#method.is_multicast |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(224, 254, 0, 0)).is_multicast(), true); |
| /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0xff00, 0, 0, 0, 0, 0, 0, 0)).is_multicast(), true); |
| /// ``` |
| #[stable(feature = "ip_shared", since = "1.12.0")] |
| pub fn is_multicast(&self) -> bool { |
| match self { |
| IpAddr::V4(ip) => ip.is_multicast(), |
| IpAddr::V6(ip) => ip.is_multicast(), |
| } |
| } |
| |
| /// Returns [`true`] if this address is in a range designated for documentation. |
| /// |
| /// See the documentation for [`Ipv4Addr::is_documentation`][IPv4] and |
| /// [`Ipv6Addr::is_documentation`][IPv6] for more details. |
| /// |
| /// [IPv4]: ../../std/net/struct.Ipv4Addr.html#method.is_documentation |
| /// [IPv6]: ../../std/net/struct.Ipv6Addr.html#method.is_documentation |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// fn main() { |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(203, 0, 113, 6)).is_documentation(), true); |
| /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0)) |
| /// .is_documentation(), true); |
| /// } |
| /// ``` |
| pub fn is_documentation(&self) -> bool { |
| match self { |
| IpAddr::V4(ip) => ip.is_documentation(), |
| IpAddr::V6(ip) => ip.is_documentation(), |
| } |
| } |
| |
| /// Returns [`true`] if this address is an [IPv4 address], and [`false`] otherwise. |
| /// |
| /// [`true`]: ../../std/primitive.bool.html |
| /// [`false`]: ../../std/primitive.bool.html |
| /// [IPv4 address]: #variant.V4 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// fn main() { |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(203, 0, 113, 6)).is_ipv4(), true); |
| /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0)).is_ipv4(), |
| /// false); |
| /// } |
| /// ``` |
| #[stable(feature = "ipaddr_checker", since = "1.16.0")] |
| pub fn is_ipv4(&self) -> bool { |
| match self { |
| IpAddr::V4(_) => true, |
| IpAddr::V6(_) => false, |
| } |
| } |
| |
| /// Returns [`true`] if this address is an [IPv6 address], and [`false`] otherwise. |
| /// |
| /// [`true`]: ../../std/primitive.bool.html |
| /// [`false`]: ../../std/primitive.bool.html |
| /// [IPv6 address]: #variant.V6 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv4Addr, Ipv6Addr}; |
| /// |
| /// fn main() { |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(203, 0, 113, 6)).is_ipv6(), false); |
| /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0)).is_ipv6(), |
| /// true); |
| /// } |
| /// ``` |
| #[stable(feature = "ipaddr_checker", since = "1.16.0")] |
| pub fn is_ipv6(&self) -> bool { |
| match self { |
| IpAddr::V4(_) => false, |
| IpAddr::V6(_) => true, |
| } |
| } |
| } |
| |
| impl Ipv4Addr { |
| /// Creates a new IPv4 address from four eight-bit octets. |
| /// |
| /// The result will represent the IP address `a`.`b`.`c`.`d`. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::new(127, 0, 0, 1); |
| /// ``` |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub const fn new(a: u8, b: u8, c: u8, d: u8) -> Ipv4Addr { |
| // FIXME: should just be u32::from_be_bytes([a, b, c, d]), |
| // once that method is no longer rustc_const_unstable |
| Ipv4Addr { |
| inner: c::in_addr { |
| s_addr: u32::to_be( |
| ((a as u32) << 24) | |
| ((b as u32) << 16) | |
| ((c as u32) << 8) | |
| (d as u32) |
| ), |
| } |
| } |
| } |
| |
| /// An IPv4 address with the address pointing to localhost: 127.0.0.1. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::LOCALHOST; |
| /// assert_eq!(addr, Ipv4Addr::new(127, 0, 0, 1)); |
| /// ``` |
| #[stable(feature = "ip_constructors", since = "1.30.0")] |
| pub const LOCALHOST: Self = Ipv4Addr::new(127, 0, 0, 1); |
| |
| /// An IPv4 address representing an unspecified address: 0.0.0.0 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::UNSPECIFIED; |
| /// assert_eq!(addr, Ipv4Addr::new(0, 0, 0, 0)); |
| /// ``` |
| #[stable(feature = "ip_constructors", since = "1.30.0")] |
| pub const UNSPECIFIED: Self = Ipv4Addr::new(0, 0, 0, 0); |
| |
| /// An IPv4 address representing the broadcast address: 255.255.255.255 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::BROADCAST; |
| /// assert_eq!(addr, Ipv4Addr::new(255, 255, 255, 255)); |
| /// ``` |
| #[stable(feature = "ip_constructors", since = "1.30.0")] |
| pub const BROADCAST: Self = Ipv4Addr::new(255, 255, 255, 255); |
| |
| /// Returns the four eight-bit integers that make up this address. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::new(127, 0, 0, 1); |
| /// assert_eq!(addr.octets(), [127, 0, 0, 1]); |
| /// ``` |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub fn octets(&self) -> [u8; 4] { |
| // This returns the order we want because s_addr is stored in big-endian. |
| self.inner.s_addr.to_ne_bytes() |
| } |
| |
| /// Returns [`true`] for the special 'unspecified' address (0.0.0.0). |
| /// |
| /// This property is defined in _UNIX Network Programming, Second Edition_, |
| /// W. Richard Stevens, p. 891; see also [ip7]. |
| /// |
| /// [ip7]: http://man7.org/linux/man-pages/man7/ip.7.html |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// assert_eq!(Ipv4Addr::new(0, 0, 0, 0).is_unspecified(), true); |
| /// assert_eq!(Ipv4Addr::new(45, 22, 13, 197).is_unspecified(), false); |
| /// ``` |
| #[stable(feature = "ip_shared", since = "1.12.0")] |
| pub const fn is_unspecified(&self) -> bool { |
| self.inner.s_addr == 0 |
| } |
| |
| /// Returns [`true`] if this is a loopback address (127.0.0.0/8). |
| /// |
| /// This property is defined by [IETF RFC 1122]. |
| /// |
| /// [IETF RFC 1122]: https://tools.ietf.org/html/rfc1122 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// assert_eq!(Ipv4Addr::new(127, 0, 0, 1).is_loopback(), true); |
| /// assert_eq!(Ipv4Addr::new(45, 22, 13, 197).is_loopback(), false); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_loopback(&self) -> bool { |
| self.octets()[0] == 127 |
| } |
| |
| /// Returns [`true`] if this is a private address. |
| /// |
| /// The private address ranges are defined in [IETF RFC 1918] and include: |
| /// |
| /// - 10.0.0.0/8 |
| /// - 172.16.0.0/12 |
| /// - 192.168.0.0/16 |
| /// |
| /// [IETF RFC 1918]: https://tools.ietf.org/html/rfc1918 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// assert_eq!(Ipv4Addr::new(10, 0, 0, 1).is_private(), true); |
| /// assert_eq!(Ipv4Addr::new(10, 10, 10, 10).is_private(), true); |
| /// assert_eq!(Ipv4Addr::new(172, 16, 10, 10).is_private(), true); |
| /// assert_eq!(Ipv4Addr::new(172, 29, 45, 14).is_private(), true); |
| /// assert_eq!(Ipv4Addr::new(172, 32, 0, 2).is_private(), false); |
| /// assert_eq!(Ipv4Addr::new(192, 168, 0, 2).is_private(), true); |
| /// assert_eq!(Ipv4Addr::new(192, 169, 0, 2).is_private(), false); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_private(&self) -> bool { |
| match self.octets() { |
| [10, ..] => true, |
| [172, b, ..] if b >= 16 && b <= 31 => true, |
| [192, 168, ..] => true, |
| _ => false, |
| } |
| } |
| |
| /// Returns [`true`] if the address is link-local (169.254.0.0/16). |
| /// |
| /// This property is defined by [IETF RFC 3927]. |
| /// |
| /// [IETF RFC 3927]: https://tools.ietf.org/html/rfc3927 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// assert_eq!(Ipv4Addr::new(169, 254, 0, 0).is_link_local(), true); |
| /// assert_eq!(Ipv4Addr::new(169, 254, 10, 65).is_link_local(), true); |
| /// assert_eq!(Ipv4Addr::new(16, 89, 10, 65).is_link_local(), false); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_link_local(&self) -> bool { |
| match self.octets() { |
| [169, 254, ..] => true, |
| _ => false, |
| } |
| } |
| |
| /// Returns [`true`] if the address appears to be globally routable. |
| /// See [iana-ipv4-special-registry][ipv4-sr]. |
| /// |
| /// The following return false: |
| /// |
| /// - private addresses (see [`is_private()`](#method.is_private)) |
| /// - the loopback address (see [`is_loopback()`](#method.is_loopback)) |
| /// - the link-local address (see [`is_link_local()`](#method.is_link_local)) |
| /// - the broadcast address (see [`is_broadcast()`](#method.is_broadcast)) |
| /// - addresses used for documentation (see [`is_documentation()`](#method.is_documentation)) |
| /// - the unspecified address (see [`is_unspecified()`](#method.is_unspecified)), and the whole |
| /// 0.0.0.0/8 block |
| /// - addresses reserved for future protocols (see |
| /// [`is_ietf_protocol_assignment()`](#method.is_ietf_protocol_assignment), except |
| /// `192.0.0.9/32` and `192.0.0.10/32` which are globally routable |
| /// - addresses reserved for future use (see [`is_reserved()`](#method.is_reserved) |
| /// - addresses reserved for networking devices benchmarking (see |
| /// [`is_benchmarking`](#method.is_benchmarking)) |
| /// |
| /// [ipv4-sr]: https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv4Addr; |
| /// |
| /// fn main() { |
| /// // private addresses are not global |
| /// assert_eq!(Ipv4Addr::new(10, 254, 0, 0).is_global(), false); |
| /// assert_eq!(Ipv4Addr::new(192, 168, 10, 65).is_global(), false); |
| /// assert_eq!(Ipv4Addr::new(172, 16, 10, 65).is_global(), false); |
| /// |
| /// // the 0.0.0.0/8 block is not global |
| /// assert_eq!(Ipv4Addr::new(0, 1, 2, 3).is_global(), false); |
| /// // in particular, the unspecified address is not global |
| /// assert_eq!(Ipv4Addr::new(0, 0, 0, 0).is_global(), false); |
| /// |
| /// // the loopback address is not global |
| /// assert_eq!(Ipv4Addr::new(127, 0, 0, 1).is_global(), false); |
| /// |
| /// // link local addresses are not global |
| /// assert_eq!(Ipv4Addr::new(169, 254, 45, 1).is_global(), false); |
| /// |
| /// // the broadcast address is not global |
| /// assert_eq!(Ipv4Addr::new(255, 255, 255, 255).is_global(), false); |
| /// |
| /// // the broadcast address is not global |
| /// assert_eq!(Ipv4Addr::new(192, 0, 2, 255).is_global(), false); |
| /// assert_eq!(Ipv4Addr::new(198, 51, 100, 65).is_global(), false); |
| /// assert_eq!(Ipv4Addr::new(203, 0, 113, 6).is_global(), false); |
| /// |
| /// // shared addresses are not global |
| /// assert_eq!(Ipv4Addr::new(100, 100, 0, 0).is_global(), false); |
| /// |
| /// // addresses reserved for protocol assignment are not global |
| /// assert_eq!(Ipv4Addr::new(192, 0, 0, 0).is_global(), false); |
| /// assert_eq!(Ipv4Addr::new(192, 0, 0, 255).is_global(), false); |
| /// |
| /// // addresses reserved for future use are not global |
| /// assert_eq!(Ipv4Addr::new(250, 10, 20, 30).is_global(), false); |
| /// |
| /// // addresses reserved for network devices benchmarking are not global |
| /// assert_eq!(Ipv4Addr::new(198, 18, 0, 0).is_global(), false); |
| /// |
| /// // All the other addresses are global |
| /// assert_eq!(Ipv4Addr::new(1, 1, 1, 1).is_global(), true); |
| /// assert_eq!(Ipv4Addr::new(80, 9, 12, 3).is_global(), true); |
| /// } |
| /// ``` |
| pub fn is_global(&self) -> bool { |
| // check if this address is 192.0.0.9 or 192.0.0.10. These addresses are the only two |
| // globally routable addresses in the 192.0.0.0/24 range. |
| if u32::from(*self) == 0xc0000009 || u32::from(*self) == 0xc000000a { |
| return true; |
| } |
| !self.is_private() |
| && !self.is_loopback() |
| && !self.is_link_local() |
| && !self.is_broadcast() |
| && !self.is_documentation() |
| && !self.is_shared() |
| && !self.is_ietf_protocol_assignment() |
| && !self.is_reserved() |
| && !self.is_benchmarking() |
| // Make sure the address is not in 0.0.0.0/8 |
| && self.octets()[0] != 0 |
| } |
| |
| /// Returns [`true`] if this address is part of the Shared Address Space defined in |
| /// [IETF RFC 6598] (`100.64.0.0/10`). |
| /// |
| /// [IETF RFC 6598]: https://tools.ietf.org/html/rfc6598 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// use std::net::Ipv4Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv4Addr::new(100, 64, 0, 0).is_shared(), true); |
| /// assert_eq!(Ipv4Addr::new(100, 127, 255, 255).is_shared(), true); |
| /// assert_eq!(Ipv4Addr::new(100, 128, 0, 0).is_shared(), false); |
| /// } |
| /// ``` |
| pub fn is_shared(&self) -> bool { |
| self.octets()[0] == 100 && (self.octets()[1] & 0b1100_0000 == 0b0100_0000) |
| } |
| |
| /// Returns [`true`] if this address is part of `192.0.0.0/24`, which is reserved to |
| /// IANA for IETF protocol assignments, as documented in [IETF RFC 6890]. |
| /// |
| /// Note that parts of this block are in use: |
| /// |
| /// - `192.0.0.8/32` is the "IPv4 dummy address" (see [IETF RFC 7600]) |
| /// - `192.0.0.9/32` is the "Port Control Protocol Anycast" (see [IETF RFC 7723]) |
| /// - `192.0.0.10/32` is used for NAT traversal (see [IETF RFC 8155]) |
| /// |
| /// [IETF RFC 6890]: https://tools.ietf.org/html/rfc6890 |
| /// [IETF RFC 7600]: https://tools.ietf.org/html/rfc7600 |
| /// [IETF RFC 7723]: https://tools.ietf.org/html/rfc7723 |
| /// [IETF RFC 8155]: https://tools.ietf.org/html/rfc8155 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// use std::net::Ipv4Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv4Addr::new(192, 0, 0, 0).is_ietf_protocol_assignment(), true); |
| /// assert_eq!(Ipv4Addr::new(192, 0, 0, 8).is_ietf_protocol_assignment(), true); |
| /// assert_eq!(Ipv4Addr::new(192, 0, 0, 9).is_ietf_protocol_assignment(), true); |
| /// assert_eq!(Ipv4Addr::new(192, 0, 0, 255).is_ietf_protocol_assignment(), true); |
| /// assert_eq!(Ipv4Addr::new(192, 0, 1, 0).is_ietf_protocol_assignment(), false); |
| /// assert_eq!(Ipv4Addr::new(191, 255, 255, 255).is_ietf_protocol_assignment(), false); |
| /// } |
| /// ``` |
| pub fn is_ietf_protocol_assignment(&self) -> bool { |
| self.octets()[0] == 192 && self.octets()[1] == 0 && self.octets()[2] == 0 |
| } |
| |
| /// Returns [`true`] if this address part of the `198.18.0.0/15` range, which is reserved for |
| /// network devices benchmarking. This range is defined in [IETF RFC 2544] as `192.18.0.0` |
| /// through `198.19.255.255` but [errata 423] corrects it to `198.18.0.0/15`. |
| /// |
| /// [IETF RFC 1112]: https://tools.ietf.org/html/rfc1112 |
| /// [errate 423]: https://www.rfc-editor.org/errata/eid423 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// use std::net::Ipv4Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv4Addr::new(198, 17, 255, 255).is_benchmarking(), false); |
| /// assert_eq!(Ipv4Addr::new(198, 18, 0, 0).is_benchmarking(), true); |
| /// assert_eq!(Ipv4Addr::new(198, 19, 255, 255).is_benchmarking(), true); |
| /// assert_eq!(Ipv4Addr::new(198, 20, 0, 0).is_benchmarking(), false); |
| /// } |
| /// ``` |
| pub fn is_benchmarking(&self) -> bool { |
| self.octets()[0] == 198 && (self.octets()[1] & 0xfe) == 18 |
| } |
| |
| /// Returns [`true`] if this address is reserved by IANA for future use. [IETF RFC 1112] |
| /// defines the block of reserved addresses as `240.0.0.0/4`. This range normally includes the |
| /// broadcast address `255.255.255.255`, but this implementation explicitely excludes it, since |
| /// it is obviously not reserved for future use. |
| /// |
| /// [IETF RFC 1112]: https://tools.ietf.org/html/rfc1112 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Warning |
| /// |
| /// As IANA assigns new addresses, this method will be |
| /// updated. This may result in non-reserved addresses being |
| /// treated as reserved in code that relies on an outdated version |
| /// of this method. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// use std::net::Ipv4Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv4Addr::new(240, 0, 0, 0).is_reserved(), true); |
| /// assert_eq!(Ipv4Addr::new(255, 255, 255, 254).is_reserved(), true); |
| /// |
| /// assert_eq!(Ipv4Addr::new(239, 255, 255, 255).is_reserved(), false); |
| /// // The broadcast address is not considered as reserved for future use by this |
| /// // implementation |
| /// assert_eq!(Ipv4Addr::new(255, 255, 255, 255).is_reserved(), false); |
| /// } |
| /// ``` |
| pub fn is_reserved(&self) -> bool { |
| self.octets()[0] & 240 == 240 && !self.is_broadcast() |
| } |
| |
| /// Returns [`true`] if this is a multicast address (224.0.0.0/4). |
| /// |
| /// Multicast addresses have a most significant octet between 224 and 239, |
| /// and is defined by [IETF RFC 5771]. |
| /// |
| /// [IETF RFC 5771]: https://tools.ietf.org/html/rfc5771 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// assert_eq!(Ipv4Addr::new(224, 254, 0, 0).is_multicast(), true); |
| /// assert_eq!(Ipv4Addr::new(236, 168, 10, 65).is_multicast(), true); |
| /// assert_eq!(Ipv4Addr::new(172, 16, 10, 65).is_multicast(), false); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_multicast(&self) -> bool { |
| self.octets()[0] >= 224 && self.octets()[0] <= 239 |
| } |
| |
| /// Returns [`true`] if this is a broadcast address (255.255.255.255). |
| /// |
| /// A broadcast address has all octets set to 255 as defined in [IETF RFC 919]. |
| /// |
| /// [IETF RFC 919]: https://tools.ietf.org/html/rfc919 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// assert_eq!(Ipv4Addr::new(255, 255, 255, 255).is_broadcast(), true); |
| /// assert_eq!(Ipv4Addr::new(236, 168, 10, 65).is_broadcast(), false); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_broadcast(&self) -> bool { |
| self == &Self::BROADCAST |
| } |
| |
| /// Returns [`true`] if this address is in a range designated for documentation. |
| /// |
| /// This is defined in [IETF RFC 5737]: |
| /// |
| /// - 192.0.2.0/24 (TEST-NET-1) |
| /// - 198.51.100.0/24 (TEST-NET-2) |
| /// - 203.0.113.0/24 (TEST-NET-3) |
| /// |
| /// [IETF RFC 5737]: https://tools.ietf.org/html/rfc5737 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// assert_eq!(Ipv4Addr::new(192, 0, 2, 255).is_documentation(), true); |
| /// assert_eq!(Ipv4Addr::new(198, 51, 100, 65).is_documentation(), true); |
| /// assert_eq!(Ipv4Addr::new(203, 0, 113, 6).is_documentation(), true); |
| /// assert_eq!(Ipv4Addr::new(193, 34, 17, 19).is_documentation(), false); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_documentation(&self) -> bool { |
| match self.octets() { |
| [192, 0, 2, _] => true, |
| [198, 51, 100, _] => true, |
| [203, 0, 113, _] => true, |
| _ => false, |
| } |
| } |
| |
| /// Converts this address to an IPv4-compatible [IPv6 address]. |
| /// |
| /// a.b.c.d becomes ::a.b.c.d |
| /// |
| /// [IPv6 address]: ../../std/net/struct.Ipv6Addr.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{Ipv4Addr, Ipv6Addr}; |
| /// |
| /// assert_eq!(Ipv4Addr::new(192, 0, 2, 255).to_ipv6_compatible(), |
| /// Ipv6Addr::new(0, 0, 0, 0, 0, 0, 49152, 767)); |
| /// ``` |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub fn to_ipv6_compatible(&self) -> Ipv6Addr { |
| let octets = self.octets(); |
| Ipv6Addr::from([ |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| octets[0], octets[1], octets[2], octets[3], |
| ]) |
| } |
| |
| /// Converts this address to an IPv4-mapped [IPv6 address]. |
| /// |
| /// a.b.c.d becomes ::ffff:a.b.c.d |
| /// |
| /// [IPv6 address]: ../../std/net/struct.Ipv6Addr.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{Ipv4Addr, Ipv6Addr}; |
| /// |
| /// assert_eq!(Ipv4Addr::new(192, 0, 2, 255).to_ipv6_mapped(), |
| /// Ipv6Addr::new(0, 0, 0, 0, 0, 65535, 49152, 767)); |
| /// ``` |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub fn to_ipv6_mapped(&self) -> Ipv6Addr { |
| let octets = self.octets(); |
| Ipv6Addr::from([ |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| 0, 0, 0xFF, 0xFF, |
| octets[0], octets[1], octets[2], octets[3], |
| ]) |
| } |
| } |
| |
| #[stable(feature = "ip_addr", since = "1.7.0")] |
| impl fmt::Display for IpAddr { |
| fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { |
| match self { |
| IpAddr::V4(ip) => ip.fmt(fmt), |
| IpAddr::V6(ip) => ip.fmt(fmt), |
| } |
| } |
| } |
| |
| #[stable(feature = "ip_from_ip", since = "1.16.0")] |
| impl From<Ipv4Addr> for IpAddr { |
| fn from(ipv4: Ipv4Addr) -> IpAddr { |
| IpAddr::V4(ipv4) |
| } |
| } |
| |
| #[stable(feature = "ip_from_ip", since = "1.16.0")] |
| impl From<Ipv6Addr> for IpAddr { |
| fn from(ipv6: Ipv6Addr) -> IpAddr { |
| IpAddr::V6(ipv6) |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl fmt::Display for Ipv4Addr { |
| fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { |
| let octets = self.octets(); |
| write!(fmt, "{}.{}.{}.{}", octets[0], octets[1], octets[2], octets[3]) |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl fmt::Debug for Ipv4Addr { |
| fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { |
| fmt::Display::fmt(self, fmt) |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl Clone for Ipv4Addr { |
| fn clone(&self) -> Ipv4Addr { *self } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl PartialEq for Ipv4Addr { |
| fn eq(&self, other: &Ipv4Addr) -> bool { |
| self.inner.s_addr == other.inner.s_addr |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialEq<Ipv4Addr> for IpAddr { |
| fn eq(&self, other: &Ipv4Addr) -> bool { |
| match self { |
| IpAddr::V4(v4) => v4 == other, |
| IpAddr::V6(_) => false, |
| } |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialEq<IpAddr> for Ipv4Addr { |
| fn eq(&self, other: &IpAddr) -> bool { |
| match other { |
| IpAddr::V4(v4) => self == v4, |
| IpAddr::V6(_) => false, |
| } |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl Eq for Ipv4Addr {} |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl hash::Hash for Ipv4Addr { |
| fn hash<H: hash::Hasher>(&self, s: &mut H) { |
| // `inner` is #[repr(packed)], so we need to copy `s_addr`. |
| {self.inner.s_addr}.hash(s) |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl PartialOrd for Ipv4Addr { |
| fn partial_cmp(&self, other: &Ipv4Addr) -> Option<Ordering> { |
| Some(self.cmp(other)) |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialOrd<Ipv4Addr> for IpAddr { |
| fn partial_cmp(&self, other: &Ipv4Addr) -> Option<Ordering> { |
| match self { |
| IpAddr::V4(v4) => v4.partial_cmp(other), |
| IpAddr::V6(_) => Some(Ordering::Greater), |
| } |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialOrd<IpAddr> for Ipv4Addr { |
| fn partial_cmp(&self, other: &IpAddr) -> Option<Ordering> { |
| match other { |
| IpAddr::V4(v4) => self.partial_cmp(v4), |
| IpAddr::V6(_) => Some(Ordering::Less), |
| } |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl Ord for Ipv4Addr { |
| fn cmp(&self, other: &Ipv4Addr) -> Ordering { |
| u32::from_be(self.inner.s_addr).cmp(&u32::from_be(other.inner.s_addr)) |
| } |
| } |
| |
| impl AsInner<c::in_addr> for Ipv4Addr { |
| fn as_inner(&self) -> &c::in_addr { &self.inner } |
| } |
| impl FromInner<c::in_addr> for Ipv4Addr { |
| fn from_inner(addr: c::in_addr) -> Ipv4Addr { |
| Ipv4Addr { inner: addr } |
| } |
| } |
| |
| #[stable(feature = "ip_u32", since = "1.1.0")] |
| impl From<Ipv4Addr> for u32 { |
| /// Converts an `Ipv4Addr` into a host byte order `u32`. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::new(13, 12, 11, 10); |
| /// assert_eq!(0x0d0c0b0au32, u32::from(addr)); |
| /// ``` |
| fn from(ip: Ipv4Addr) -> u32 { |
| let ip = ip.octets(); |
| u32::from_be_bytes(ip) |
| } |
| } |
| |
| #[stable(feature = "ip_u32", since = "1.1.0")] |
| impl From<u32> for Ipv4Addr { |
| /// Converts a host byte order `u32` into an `Ipv4Addr`. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::from(0x0d0c0b0au32); |
| /// assert_eq!(Ipv4Addr::new(13, 12, 11, 10), addr); |
| /// ``` |
| fn from(ip: u32) -> Ipv4Addr { |
| Ipv4Addr::from(ip.to_be_bytes()) |
| } |
| } |
| |
| #[stable(feature = "from_slice_v4", since = "1.9.0")] |
| impl From<[u8; 4]> for Ipv4Addr { |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::from([13u8, 12u8, 11u8, 10u8]); |
| /// assert_eq!(Ipv4Addr::new(13, 12, 11, 10), addr); |
| /// ``` |
| fn from(octets: [u8; 4]) -> Ipv4Addr { |
| Ipv4Addr::new(octets[0], octets[1], octets[2], octets[3]) |
| } |
| } |
| |
| #[stable(feature = "ip_from_slice", since = "1.17.0")] |
| impl From<[u8; 4]> for IpAddr { |
| /// Creates an `IpAddr::V4` from a four element byte array. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv4Addr}; |
| /// |
| /// let addr = IpAddr::from([13u8, 12u8, 11u8, 10u8]); |
| /// assert_eq!(IpAddr::V4(Ipv4Addr::new(13, 12, 11, 10)), addr); |
| /// ``` |
| fn from(octets: [u8; 4]) -> IpAddr { |
| IpAddr::V4(Ipv4Addr::from(octets)) |
| } |
| } |
| |
| impl Ipv6Addr { |
| /// Creates a new IPv6 address from eight 16-bit segments. |
| /// |
| /// The result will represent the IP address `a:b:c:d:e:f:g:h`. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let addr = Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff); |
| /// ``` |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub const fn new(a: u16, b: u16, c: u16, d: u16, e: u16, f: u16, |
| g: u16, h: u16) -> Ipv6Addr { |
| Ipv6Addr { |
| inner: c::in6_addr { |
| s6_addr: [ |
| (a >> 8) as u8, a as u8, |
| (b >> 8) as u8, b as u8, |
| (c >> 8) as u8, c as u8, |
| (d >> 8) as u8, d as u8, |
| (e >> 8) as u8, e as u8, |
| (f >> 8) as u8, f as u8, |
| (g >> 8) as u8, g as u8, |
| (h >> 8) as u8, h as u8 |
| ], |
| } |
| } |
| |
| } |
| |
| /// An IPv6 address representing localhost: `::1`. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let addr = Ipv6Addr::LOCALHOST; |
| /// assert_eq!(addr, Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); |
| /// ``` |
| #[stable(feature = "ip_constructors", since = "1.30.0")] |
| pub const LOCALHOST: Self = Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1); |
| |
| /// An IPv6 address representing the unspecified address: `::` |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let addr = Ipv6Addr::UNSPECIFIED; |
| /// assert_eq!(addr, Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)); |
| /// ``` |
| #[stable(feature = "ip_constructors", since = "1.30.0")] |
| pub const UNSPECIFIED: Self = Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0); |
| |
| /// Returns the eight 16-bit segments that make up this address. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).segments(), |
| /// [0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff]); |
| /// ``` |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub fn segments(&self) -> [u16; 8] { |
| let arr = &self.inner.s6_addr; |
| [ |
| u16::from_be_bytes([arr[0], arr[1]]), |
| u16::from_be_bytes([arr[2], arr[3]]), |
| u16::from_be_bytes([arr[4], arr[5]]), |
| u16::from_be_bytes([arr[6], arr[7]]), |
| u16::from_be_bytes([arr[8], arr[9]]), |
| u16::from_be_bytes([arr[10], arr[11]]), |
| u16::from_be_bytes([arr[12], arr[13]]), |
| u16::from_be_bytes([arr[14], arr[15]]), |
| ] |
| } |
| |
| /// Returns [`true`] for the special 'unspecified' address (::). |
| /// |
| /// This property is defined in [IETF RFC 4291]. |
| /// |
| /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_unspecified(), false); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0).is_unspecified(), true); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_unspecified(&self) -> bool { |
| self.segments() == [0, 0, 0, 0, 0, 0, 0, 0] |
| } |
| |
| /// Returns [`true`] if this is a loopback address (::1). |
| /// |
| /// This property is defined in [IETF RFC 4291]. |
| /// |
| /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_loopback(), false); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0x1).is_loopback(), true); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_loopback(&self) -> bool { |
| self.segments() == [0, 0, 0, 0, 0, 0, 0, 1] |
| } |
| |
| /// Returns [`true`] if the address appears to be globally routable. |
| /// |
| /// The following return [`false`]: |
| /// |
| /// - the loopback address |
| /// - link-local, site-local, and unique local unicast addresses |
| /// - interface-, link-, realm-, admin- and site-local multicast addresses |
| /// |
| /// [`true`]: ../../std/primitive.bool.html |
| /// [`false`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv6Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_global(), true); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0x1).is_global(), false); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0x1c9, 0, 0, 0xafc8, 0, 0x1).is_global(), true); |
| /// } |
| /// ``` |
| pub fn is_global(&self) -> bool { |
| match self.multicast_scope() { |
| Some(Ipv6MulticastScope::Global) => true, |
| None => self.is_unicast_global(), |
| _ => false |
| } |
| } |
| |
| /// Returns [`true`] if this is a unique local address (`fc00::/7`). |
| /// |
| /// This property is defined in [IETF RFC 4193]. |
| /// |
| /// [IETF RFC 4193]: https://tools.ietf.org/html/rfc4193 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv6Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_unique_local(), |
| /// false); |
| /// assert_eq!(Ipv6Addr::new(0xfc02, 0, 0, 0, 0, 0, 0, 0).is_unique_local(), true); |
| /// } |
| /// ``` |
| pub fn is_unique_local(&self) -> bool { |
| (self.segments()[0] & 0xfe00) == 0xfc00 |
| } |
| |
| /// Returns [`true`] if the address is a unicast link-local address (`fe80::/64`). |
| /// |
| /// A common mis-conception is to think that "unicast link-local addresses start with |
| /// `fe80::`", but the [IETF RFC 4291] actually defines a stricter format for these addresses: |
| /// |
| /// ```no_rust |
| /// | 10 | |
| /// | bits | 54 bits | 64 bits | |
| /// +----------+-------------------------+----------------------------+ |
| /// |1111111010| 0 | interface ID | |
| /// +----------+-------------------------+----------------------------+ |
| /// ``` |
| /// |
| /// This method validates the format defined in the RFC and won't recognize the following |
| /// addresses such as `fe80:0:0:1::` or `fe81::` as unicast link-local addresses for example. |
| /// If you need a less strict validation use [`is_unicast_link_local()`] instead. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv6Addr; |
| /// |
| /// fn main() { |
| /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0, 0, 0, 0); |
| /// assert!(ip.is_unicast_link_local_strict()); |
| /// |
| /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0xffff, 0xffff, 0xffff, 0xffff); |
| /// assert!(ip.is_unicast_link_local_strict()); |
| /// |
| /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 1, 0, 0, 0, 0); |
| /// assert!(!ip.is_unicast_link_local_strict()); |
| /// assert!(ip.is_unicast_link_local()); |
| /// |
| /// let ip = Ipv6Addr::new(0xfe81, 0, 0, 0, 0, 0, 0, 0); |
| /// assert!(!ip.is_unicast_link_local_strict()); |
| /// assert!(ip.is_unicast_link_local()); |
| /// } |
| /// ``` |
| /// |
| /// # See also |
| /// |
| /// - [IETF RFC 4291 section 2.5.6] |
| /// - [RFC 4291 errata 4406] |
| /// - [`is_unicast_link_local()`] |
| /// |
| /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291 |
| /// [IETF RFC 4291 section 2.5.6]: https://tools.ietf.org/html/rfc4291#section-2.5.6 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// [RFC 4291 errata 4406]: https://www.rfc-editor.org/errata/eid4406 |
| /// [`is_unicast_link_local()`]: ../../std/net/struct.Ipv6Addr.html#method.is_unicast_link_local |
| /// |
| pub fn is_unicast_link_local_strict(&self) -> bool { |
| (self.segments()[0] & 0xffff) == 0xfe80 |
| && (self.segments()[1] & 0xffff) == 0 |
| && (self.segments()[2] & 0xffff) == 0 |
| && (self.segments()[3] & 0xffff) == 0 |
| } |
| |
| /// Returns [`true`] if the address is a unicast link-local address (`fe80::/10`). |
| /// |
| /// This method returns [`true`] for addresses in the range reserved by [RFC 4291 section 2.4], |
| /// i.e. addresses with the following format: |
| /// |
| /// ```no_rust |
| /// | 10 | |
| /// | bits | 54 bits | 64 bits | |
| /// +----------+-------------------------+----------------------------+ |
| /// |1111111010| arbitratry value | interface ID | |
| /// +----------+-------------------------+----------------------------+ |
| /// ``` |
| /// |
| /// As a result, this method consider addresses such as `fe80:0:0:1::` or `fe81::` to be |
| /// unicast link-local addresses, whereas [`is_unicast_link_local_strict()`] does not. If you |
| /// need a strict validation fully compliant with the RFC, use |
| /// [`is_unicast_link_local_strict()`]. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv6Addr; |
| /// |
| /// fn main() { |
| /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0, 0, 0, 0); |
| /// assert!(ip.is_unicast_link_local()); |
| /// |
| /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0xffff, 0xffff, 0xffff, 0xffff); |
| /// assert!(ip.is_unicast_link_local()); |
| /// |
| /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 1, 0, 0, 0, 0); |
| /// assert!(ip.is_unicast_link_local()); |
| /// assert!(!ip.is_unicast_link_local_strict()); |
| /// |
| /// let ip = Ipv6Addr::new(0xfe81, 0, 0, 0, 0, 0, 0, 0); |
| /// assert!(ip.is_unicast_link_local()); |
| /// assert!(!ip.is_unicast_link_local_strict()); |
| /// } |
| /// ``` |
| /// |
| /// # See also |
| /// |
| /// - [IETF RFC 4291 section 2.4] |
| /// - [RFC 4291 errata 4406] |
| /// |
| /// [IETF RFC 4291 section 2.4]: https://tools.ietf.org/html/rfc4291#section-2.4 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// [RFC 4291 errata 4406]: https://www.rfc-editor.org/errata/eid4406 |
| /// [`is_unicast_link_local_strict()`]: ../../std/net/struct.Ipv6Addr.html#method.is_unicast_link_local_strict |
| /// |
| pub fn is_unicast_link_local(&self) -> bool { |
| (self.segments()[0] & 0xffc0) == 0xfe80 |
| } |
| |
| /// Returns [`true`] if this is a deprecated unicast site-local address (fec0::/10). The |
| /// unicast site-local address format is defined in [RFC 4291 section 2.5.7] as: |
| /// |
| /// ```no_rust |
| /// | 10 | |
| /// | bits | 54 bits | 64 bits | |
| /// +----------+-------------------------+----------------------------+ |
| /// |1111111011| subnet ID | interface ID | |
| /// +----------+-------------------------+----------------------------+ |
| /// ``` |
| /// |
| /// [`true`]: ../../std/primitive.bool.html |
| /// [RFC 4291 section 2.5.7]: https://tools.ietf.org/html/rfc4291#section-2.5.7 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv6Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_unicast_site_local(), |
| /// false); |
| /// assert_eq!(Ipv6Addr::new(0xfec2, 0, 0, 0, 0, 0, 0, 0).is_unicast_site_local(), true); |
| /// } |
| /// ``` |
| /// |
| /// # Warning |
| /// |
| /// As per [RFC 3879], the whole `FEC0::/10` prefix is |
| /// deprecated. New software must not support site-local |
| /// addresses. |
| /// |
| /// [RFC 3879]: https://tools.ietf.org/html/rfc3879 |
| pub fn is_unicast_site_local(&self) -> bool { |
| (self.segments()[0] & 0xffc0) == 0xfec0 |
| } |
| |
| /// Returns [`true`] if this is an address reserved for documentation |
| /// (2001:db8::/32). |
| /// |
| /// This property is defined in [IETF RFC 3849]. |
| /// |
| /// [IETF RFC 3849]: https://tools.ietf.org/html/rfc3849 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv6Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_documentation(), |
| /// false); |
| /// assert_eq!(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0).is_documentation(), true); |
| /// } |
| /// ``` |
| pub fn is_documentation(&self) -> bool { |
| (self.segments()[0] == 0x2001) && (self.segments()[1] == 0xdb8) |
| } |
| |
| /// Returns [`true`] if the address is a globally routable unicast address. |
| /// |
| /// The following return false: |
| /// |
| /// - the loopback address |
| /// - the link-local addresses |
| /// - unique local addresses |
| /// - the unspecified address |
| /// - the address range reserved for documentation |
| /// |
| /// This method returns [`true`] for site-local addresses as per [RFC 4291 section 2.5.7] |
| /// |
| /// ```no_rust |
| /// The special behavior of [the site-local unicast] prefix defined in [RFC3513] must no longer |
| /// be supported in new implementations (i.e., new implementations must treat this prefix as |
| /// Global Unicast). |
| /// ``` |
| /// |
| /// [`true`]: ../../std/primitive.bool.html |
| /// [RFC 4291 section 2.5.7]: https://tools.ietf.org/html/rfc4291#section-2.5.7 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::Ipv6Addr; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0).is_unicast_global(), false); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_unicast_global(), |
| /// true); |
| /// } |
| /// ``` |
| pub fn is_unicast_global(&self) -> bool { |
| !self.is_multicast() |
| && !self.is_loopback() |
| && !self.is_unicast_link_local() |
| && !self.is_unique_local() |
| && !self.is_unspecified() |
| && !self.is_documentation() |
| } |
| |
| /// Returns the address's multicast scope if the address is multicast. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip)] |
| /// |
| /// use std::net::{Ipv6Addr, Ipv6MulticastScope}; |
| /// |
| /// fn main() { |
| /// assert_eq!(Ipv6Addr::new(0xff0e, 0, 0, 0, 0, 0, 0, 0).multicast_scope(), |
| /// Some(Ipv6MulticastScope::Global)); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).multicast_scope(), None); |
| /// } |
| /// ``` |
| pub fn multicast_scope(&self) -> Option<Ipv6MulticastScope> { |
| if self.is_multicast() { |
| match self.segments()[0] & 0x000f { |
| 1 => Some(Ipv6MulticastScope::InterfaceLocal), |
| 2 => Some(Ipv6MulticastScope::LinkLocal), |
| 3 => Some(Ipv6MulticastScope::RealmLocal), |
| 4 => Some(Ipv6MulticastScope::AdminLocal), |
| 5 => Some(Ipv6MulticastScope::SiteLocal), |
| 8 => Some(Ipv6MulticastScope::OrganizationLocal), |
| 14 => Some(Ipv6MulticastScope::Global), |
| _ => None |
| } |
| } else { |
| None |
| } |
| } |
| |
| /// Returns [`true`] if this is a multicast address (ff00::/8). |
| /// |
| /// This property is defined by [IETF RFC 4291]. |
| /// |
| /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291 |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// assert_eq!(Ipv6Addr::new(0xff00, 0, 0, 0, 0, 0, 0, 0).is_multicast(), true); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_multicast(), false); |
| /// ``` |
| #[stable(since = "1.7.0", feature = "ip_17")] |
| pub fn is_multicast(&self) -> bool { |
| (self.segments()[0] & 0xff00) == 0xff00 |
| } |
| |
| /// Converts this address to an [IPv4 address]. Returns [`None`] if this address is |
| /// neither IPv4-compatible or IPv4-mapped. |
| /// |
| /// ::a.b.c.d and ::ffff:a.b.c.d become a.b.c.d |
| /// |
| /// [IPv4 address]: ../../std/net/struct.Ipv4Addr.html |
| /// [`None`]: ../../std/option/enum.Option.html#variant.None |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{Ipv4Addr, Ipv6Addr}; |
| /// |
| /// assert_eq!(Ipv6Addr::new(0xff00, 0, 0, 0, 0, 0, 0, 0).to_ipv4(), None); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).to_ipv4(), |
| /// Some(Ipv4Addr::new(192, 10, 2, 255))); |
| /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1).to_ipv4(), |
| /// Some(Ipv4Addr::new(0, 0, 0, 1))); |
| /// ``` |
| #[stable(feature = "rust1", since = "1.0.0")] |
| pub fn to_ipv4(&self) -> Option<Ipv4Addr> { |
| match self.segments() { |
| [0, 0, 0, 0, 0, f, g, h] if f == 0 || f == 0xffff => { |
| Some(Ipv4Addr::new((g >> 8) as u8, g as u8, |
| (h >> 8) as u8, h as u8)) |
| }, |
| _ => None |
| } |
| } |
| |
| /// Returns the sixteen eight-bit integers the IPv6 address consists of. |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// assert_eq!(Ipv6Addr::new(0xff00, 0, 0, 0, 0, 0, 0, 0).octets(), |
| /// [255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]); |
| /// ``` |
| #[stable(feature = "ipv6_to_octets", since = "1.12.0")] |
| pub const fn octets(&self) -> [u8; 16] { |
| self.inner.s6_addr |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl fmt::Display for Ipv6Addr { |
| fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { |
| match self.segments() { |
| // We need special cases for :: and ::1, otherwise they're formatted |
| // as ::0.0.0.[01] |
| [0, 0, 0, 0, 0, 0, 0, 0] => write!(fmt, "::"), |
| [0, 0, 0, 0, 0, 0, 0, 1] => write!(fmt, "::1"), |
| // Ipv4 Compatible address |
| [0, 0, 0, 0, 0, 0, g, h] => { |
| write!(fmt, "::{}.{}.{}.{}", (g >> 8) as u8, g as u8, |
| (h >> 8) as u8, h as u8) |
| } |
| // Ipv4-Mapped address |
| [0, 0, 0, 0, 0, 0xffff, g, h] => { |
| write!(fmt, "::ffff:{}.{}.{}.{}", (g >> 8) as u8, g as u8, |
| (h >> 8) as u8, h as u8) |
| }, |
| _ => { |
| fn find_zero_slice(segments: &[u16; 8]) -> (usize, usize) { |
| let mut longest_span_len = 0; |
| let mut longest_span_at = 0; |
| let mut cur_span_len = 0; |
| let mut cur_span_at = 0; |
| |
| for i in 0..8 { |
| if segments[i] == 0 { |
| if cur_span_len == 0 { |
| cur_span_at = i; |
| } |
| |
| cur_span_len += 1; |
| |
| if cur_span_len > longest_span_len { |
| longest_span_len = cur_span_len; |
| longest_span_at = cur_span_at; |
| } |
| } else { |
| cur_span_len = 0; |
| cur_span_at = 0; |
| } |
| } |
| |
| (longest_span_at, longest_span_len) |
| } |
| |
| let (zeros_at, zeros_len) = find_zero_slice(&self.segments()); |
| |
| if zeros_len > 1 { |
| fn fmt_subslice(segments: &[u16], fmt: &mut fmt::Formatter<'_>) -> fmt::Result { |
| if !segments.is_empty() { |
| write!(fmt, "{:x}", segments[0])?; |
| for &seg in &segments[1..] { |
| write!(fmt, ":{:x}", seg)?; |
| } |
| } |
| Ok(()) |
| } |
| |
| fmt_subslice(&self.segments()[..zeros_at], fmt)?; |
| fmt.write_str("::")?; |
| fmt_subslice(&self.segments()[zeros_at + zeros_len..], fmt) |
| } else { |
| let &[a, b, c, d, e, f, g, h] = &self.segments(); |
| write!(fmt, "{:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x}", |
| a, b, c, d, e, f, g, h) |
| } |
| } |
| } |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl fmt::Debug for Ipv6Addr { |
| fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { |
| fmt::Display::fmt(self, fmt) |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl Clone for Ipv6Addr { |
| fn clone(&self) -> Ipv6Addr { *self } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl PartialEq for Ipv6Addr { |
| fn eq(&self, other: &Ipv6Addr) -> bool { |
| self.inner.s6_addr == other.inner.s6_addr |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialEq<IpAddr> for Ipv6Addr { |
| fn eq(&self, other: &IpAddr) -> bool { |
| match other { |
| IpAddr::V4(_) => false, |
| IpAddr::V6(v6) => self == v6, |
| } |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialEq<Ipv6Addr> for IpAddr { |
| fn eq(&self, other: &Ipv6Addr) -> bool { |
| match self { |
| IpAddr::V4(_) => false, |
| IpAddr::V6(v6) => v6 == other, |
| } |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl Eq for Ipv6Addr {} |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl hash::Hash for Ipv6Addr { |
| fn hash<H: hash::Hasher>(&self, s: &mut H) { |
| self.inner.s6_addr.hash(s) |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl PartialOrd for Ipv6Addr { |
| fn partial_cmp(&self, other: &Ipv6Addr) -> Option<Ordering> { |
| Some(self.cmp(other)) |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialOrd<Ipv6Addr> for IpAddr { |
| fn partial_cmp(&self, other: &Ipv6Addr) -> Option<Ordering> { |
| match self { |
| IpAddr::V4(_) => Some(Ordering::Less), |
| IpAddr::V6(v6) => v6.partial_cmp(other), |
| } |
| } |
| } |
| |
| #[stable(feature = "ip_cmp", since = "1.16.0")] |
| impl PartialOrd<IpAddr> for Ipv6Addr { |
| fn partial_cmp(&self, other: &IpAddr) -> Option<Ordering> { |
| match other { |
| IpAddr::V4(_) => Some(Ordering::Greater), |
| IpAddr::V6(v6) => self.partial_cmp(v6), |
| } |
| } |
| } |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| impl Ord for Ipv6Addr { |
| fn cmp(&self, other: &Ipv6Addr) -> Ordering { |
| self.segments().cmp(&other.segments()) |
| } |
| } |
| |
| impl AsInner<c::in6_addr> for Ipv6Addr { |
| fn as_inner(&self) -> &c::in6_addr { &self.inner } |
| } |
| impl FromInner<c::in6_addr> for Ipv6Addr { |
| fn from_inner(addr: c::in6_addr) -> Ipv6Addr { |
| Ipv6Addr { inner: addr } |
| } |
| } |
| |
| #[stable(feature = "i128", since = "1.26.0")] |
| impl From<Ipv6Addr> for u128 { |
| /// Convert an `Ipv6Addr` into a host byte order `u128`. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let addr = Ipv6Addr::new( |
| /// 0x1020, 0x3040, 0x5060, 0x7080, |
| /// 0x90A0, 0xB0C0, 0xD0E0, 0xF00D, |
| /// ); |
| /// assert_eq!(0x102030405060708090A0B0C0D0E0F00D_u128, u128::from(addr)); |
| /// ``` |
| fn from(ip: Ipv6Addr) -> u128 { |
| let ip = ip.octets(); |
| u128::from_be_bytes(ip) |
| } |
| } |
| #[stable(feature = "i128", since = "1.26.0")] |
| impl From<u128> for Ipv6Addr { |
| /// Convert a host byte order `u128` into an `Ipv6Addr`. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let addr = Ipv6Addr::from(0x102030405060708090A0B0C0D0E0F00D_u128); |
| /// assert_eq!( |
| /// Ipv6Addr::new( |
| /// 0x1020, 0x3040, 0x5060, 0x7080, |
| /// 0x90A0, 0xB0C0, 0xD0E0, 0xF00D, |
| /// ), |
| /// addr); |
| /// ``` |
| fn from(ip: u128) -> Ipv6Addr { |
| Ipv6Addr::from(ip.to_be_bytes()) |
| } |
| } |
| |
| #[stable(feature = "ipv6_from_octets", since = "1.9.0")] |
| impl From<[u8; 16]> for Ipv6Addr { |
| fn from(octets: [u8; 16]) -> Ipv6Addr { |
| let inner = c::in6_addr { s6_addr: octets }; |
| Ipv6Addr::from_inner(inner) |
| } |
| } |
| |
| #[stable(feature = "ipv6_from_segments", since = "1.16.0")] |
| impl From<[u16; 8]> for Ipv6Addr { |
| fn from(segments: [u16; 8]) -> Ipv6Addr { |
| let [a, b, c, d, e, f, g, h] = segments; |
| Ipv6Addr::new(a, b, c, d, e, f, g, h) |
| } |
| } |
| |
| |
| #[stable(feature = "ip_from_slice", since = "1.17.0")] |
| impl From<[u8; 16]> for IpAddr { |
| /// Creates an `IpAddr::V6` from a sixteen element byte array. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv6Addr}; |
| /// |
| /// let addr = IpAddr::from([ |
| /// 25u8, 24u8, 23u8, 22u8, 21u8, 20u8, 19u8, 18u8, |
| /// 17u8, 16u8, 15u8, 14u8, 13u8, 12u8, 11u8, 10u8, |
| /// ]); |
| /// assert_eq!( |
| /// IpAddr::V6(Ipv6Addr::new( |
| /// 0x1918, 0x1716, |
| /// 0x1514, 0x1312, |
| /// 0x1110, 0x0f0e, |
| /// 0x0d0c, 0x0b0a |
| /// )), |
| /// addr |
| /// ); |
| /// ``` |
| fn from(octets: [u8; 16]) -> IpAddr { |
| IpAddr::V6(Ipv6Addr::from(octets)) |
| } |
| } |
| |
| #[stable(feature = "ip_from_slice", since = "1.17.0")] |
| impl From<[u16; 8]> for IpAddr { |
| /// Creates an `IpAddr::V6` from an eight element 16-bit array. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// use std::net::{IpAddr, Ipv6Addr}; |
| /// |
| /// let addr = IpAddr::from([ |
| /// 525u16, 524u16, 523u16, 522u16, |
| /// 521u16, 520u16, 519u16, 518u16, |
| /// ]); |
| /// assert_eq!( |
| /// IpAddr::V6(Ipv6Addr::new( |
| /// 0x20d, 0x20c, |
| /// 0x20b, 0x20a, |
| /// 0x209, 0x208, |
| /// 0x207, 0x206 |
| /// )), |
| /// addr |
| /// ); |
| /// ``` |
| fn from(segments: [u16; 8]) -> IpAddr { |
| IpAddr::V6(Ipv6Addr::from(segments)) |
| } |
| } |
| |
| // Tests for this module |
| #[cfg(all(test, not(target_os = "emscripten")))] |
| mod tests { |
| use crate::net::*; |
| use crate::net::test::{tsa, sa6, sa4}; |
| use crate::str::FromStr; |
| |
| #[test] |
| fn test_from_str_ipv4() { |
| assert_eq!(Ok(Ipv4Addr::new(127, 0, 0, 1)), "127.0.0.1".parse()); |
| assert_eq!(Ok(Ipv4Addr::new(255, 255, 255, 255)), "255.255.255.255".parse()); |
| assert_eq!(Ok(Ipv4Addr::new(0, 0, 0, 0)), "0.0.0.0".parse()); |
| |
| // out of range |
| let none: Option<Ipv4Addr> = "256.0.0.1".parse().ok(); |
| assert_eq!(None, none); |
| // too short |
| let none: Option<Ipv4Addr> = "255.0.0".parse().ok(); |
| assert_eq!(None, none); |
| // too long |
| let none: Option<Ipv4Addr> = "255.0.0.1.2".parse().ok(); |
| assert_eq!(None, none); |
| // no number between dots |
| let none: Option<Ipv4Addr> = "255.0..1".parse().ok(); |
| assert_eq!(None, none); |
| } |
| |
| #[test] |
| fn test_from_str_ipv6() { |
| assert_eq!(Ok(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)), "0:0:0:0:0:0:0:0".parse()); |
| assert_eq!(Ok(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)), "0:0:0:0:0:0:0:1".parse()); |
| |
| assert_eq!(Ok(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)), "::1".parse()); |
| assert_eq!(Ok(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)), "::".parse()); |
| |
| assert_eq!(Ok(Ipv6Addr::new(0x2a02, 0x6b8, 0, 0, 0, 0, 0x11, 0x11)), |
| "2a02:6b8::11:11".parse()); |
| |
| // too long group |
| let none: Option<Ipv6Addr> = "::00000".parse().ok(); |
| assert_eq!(None, none); |
| // too short |
| let none: Option<Ipv6Addr> = "1:2:3:4:5:6:7".parse().ok(); |
| assert_eq!(None, none); |
| // too long |
| let none: Option<Ipv6Addr> = "1:2:3:4:5:6:7:8:9".parse().ok(); |
| assert_eq!(None, none); |
| // triple colon |
| let none: Option<Ipv6Addr> = "1:2:::6:7:8".parse().ok(); |
| assert_eq!(None, none); |
| // two double colons |
| let none: Option<Ipv6Addr> = "1:2::6::8".parse().ok(); |
| assert_eq!(None, none); |
| // `::` indicating zero groups of zeros |
| let none: Option<Ipv6Addr> = "1:2:3:4::5:6:7:8".parse().ok(); |
| assert_eq!(None, none); |
| } |
| |
| #[test] |
| fn test_from_str_ipv4_in_ipv6() { |
| assert_eq!(Ok(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 49152, 545)), |
| "::192.0.2.33".parse()); |
| assert_eq!(Ok(Ipv6Addr::new(0, 0, 0, 0, 0, 0xFFFF, 49152, 545)), |
| "::FFFF:192.0.2.33".parse()); |
| assert_eq!(Ok(Ipv6Addr::new(0x64, 0xff9b, 0, 0, 0, 0, 49152, 545)), |
| "64:ff9b::192.0.2.33".parse()); |
| assert_eq!(Ok(Ipv6Addr::new(0x2001, 0xdb8, 0x122, 0xc000, 0x2, 0x2100, 49152, 545)), |
| "2001:db8:122:c000:2:2100:192.0.2.33".parse()); |
| |
| // colon after v4 |
| let none: Option<Ipv4Addr> = "::127.0.0.1:".parse().ok(); |
| assert_eq!(None, none); |
| // not enough groups |
| let none: Option<Ipv6Addr> = "1.2.3.4.5:127.0.0.1".parse().ok(); |
| assert_eq!(None, none); |
| // too many groups |
| let none: Option<Ipv6Addr> = "1.2.3.4.5:6:7:127.0.0.1".parse().ok(); |
| assert_eq!(None, none); |
| } |
| |
| #[test] |
| fn test_from_str_socket_addr() { |
| assert_eq!(Ok(sa4(Ipv4Addr::new(77, 88, 21, 11), 80)), |
| "77.88.21.11:80".parse()); |
| assert_eq!(Ok(SocketAddrV4::new(Ipv4Addr::new(77, 88, 21, 11), 80)), |
| "77.88.21.11:80".parse()); |
| assert_eq!(Ok(sa6(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 53)), |
| "[2a02:6b8:0:1::1]:53".parse()); |
| assert_eq!(Ok(SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, |
| 0, 0, 0, 1), 53, 0, 0)), |
| "[2a02:6b8:0:1::1]:53".parse()); |
| assert_eq!(Ok(sa6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0x7F00, 1), 22)), |
| "[::127.0.0.1]:22".parse()); |
| assert_eq!(Ok(SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, |
| 0x7F00, 1), 22, 0, 0)), |
| "[::127.0.0.1]:22".parse()); |
| |
| // without port |
| let none: Option<SocketAddr> = "127.0.0.1".parse().ok(); |
| assert_eq!(None, none); |
| // without port |
| let none: Option<SocketAddr> = "127.0.0.1:".parse().ok(); |
| assert_eq!(None, none); |
| // wrong brackets around v4 |
| let none: Option<SocketAddr> = "[127.0.0.1]:22".parse().ok(); |
| assert_eq!(None, none); |
| // port out of range |
| let none: Option<SocketAddr> = "127.0.0.1:123456".parse().ok(); |
| assert_eq!(None, none); |
| } |
| |
| #[test] |
| fn ipv6_addr_to_string() { |
| // ipv4-mapped address |
| let a1 = Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc000, 0x280); |
| assert_eq!(a1.to_string(), "::ffff:192.0.2.128"); |
| |
| // ipv4-compatible address |
| let a1 = Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0xc000, 0x280); |
| assert_eq!(a1.to_string(), "::192.0.2.128"); |
| |
| // v6 address with no zero segments |
| assert_eq!(Ipv6Addr::new(8, 9, 10, 11, 12, 13, 14, 15).to_string(), |
| "8:9:a:b:c:d:e:f"); |
| |
| // reduce a single run of zeros |
| assert_eq!("ae::ffff:102:304", |
| Ipv6Addr::new(0xae, 0, 0, 0, 0, 0xffff, 0x0102, 0x0304).to_string()); |
| |
| // don't reduce just a single zero segment |
| assert_eq!("1:2:3:4:5:6:0:8", |
| Ipv6Addr::new(1, 2, 3, 4, 5, 6, 0, 8).to_string()); |
| |
| // 'any' address |
| assert_eq!("::", Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0).to_string()); |
| |
| // loopback address |
| assert_eq!("::1", Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1).to_string()); |
| |
| // ends in zeros |
| assert_eq!("1::", Ipv6Addr::new(1, 0, 0, 0, 0, 0, 0, 0).to_string()); |
| |
| // two runs of zeros, second one is longer |
| assert_eq!("1:0:0:4::8", Ipv6Addr::new(1, 0, 0, 4, 0, 0, 0, 8).to_string()); |
| |
| // two runs of zeros, equal length |
| assert_eq!("1::4:5:0:0:8", Ipv6Addr::new(1, 0, 0, 4, 5, 0, 0, 8).to_string()); |
| } |
| |
| #[test] |
| fn ipv4_to_ipv6() { |
| assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0x1234, 0x5678), |
| Ipv4Addr::new(0x12, 0x34, 0x56, 0x78).to_ipv6_mapped()); |
| assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0x1234, 0x5678), |
| Ipv4Addr::new(0x12, 0x34, 0x56, 0x78).to_ipv6_compatible()); |
| } |
| |
| #[test] |
| fn ipv6_to_ipv4() { |
| assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0x1234, 0x5678).to_ipv4(), |
| Some(Ipv4Addr::new(0x12, 0x34, 0x56, 0x78))); |
| assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0x1234, 0x5678).to_ipv4(), |
| Some(Ipv4Addr::new(0x12, 0x34, 0x56, 0x78))); |
| assert_eq!(Ipv6Addr::new(0, 0, 1, 0, 0, 0, 0x1234, 0x5678).to_ipv4(), |
| None); |
| } |
| |
| #[test] |
| fn ip_properties() { |
| macro_rules! ip { |
| ($s:expr) => { |
| IpAddr::from_str($s).unwrap() |
| } |
| } |
| |
| macro_rules! check { |
| ($s:expr) => { |
| check!($s, 0); |
| }; |
| |
| ($s:expr, $mask:expr) => {{ |
| let unspec: u8 = 1 << 0; |
| let loopback: u8 = 1 << 1; |
| let global: u8 = 1 << 2; |
| let multicast: u8 = 1 << 3; |
| let doc: u8 = 1 << 4; |
| |
| if ($mask & unspec) == unspec { |
| assert!(ip!($s).is_unspecified()); |
| } else { |
| assert!(!ip!($s).is_unspecified()); |
| } |
| |
| if ($mask & loopback) == loopback { |
| assert!(ip!($s).is_loopback()); |
| } else { |
| assert!(!ip!($s).is_loopback()); |
| } |
| |
| if ($mask & global) == global { |
| assert!(ip!($s).is_global()); |
| } else { |
| assert!(!ip!($s).is_global()); |
| } |
| |
| if ($mask & multicast) == multicast { |
| assert!(ip!($s).is_multicast()); |
| } else { |
| assert!(!ip!($s).is_multicast()); |
| } |
| |
| if ($mask & doc) == doc { |
| assert!(ip!($s).is_documentation()); |
| } else { |
| assert!(!ip!($s).is_documentation()); |
| } |
| }} |
| } |
| |
| let unspec: u8 = 1 << 0; |
| let loopback: u8 = 1 << 1; |
| let global: u8 = 1 << 2; |
| let multicast: u8 = 1 << 3; |
| let doc: u8 = 1 << 4; |
| |
| check!("0.0.0.0", unspec); |
| check!("0.0.0.1"); |
| check!("0.1.0.0"); |
| check!("10.9.8.7"); |
| check!("127.1.2.3", loopback); |
| check!("172.31.254.253"); |
| check!("169.254.253.242"); |
| check!("192.0.2.183", doc); |
| check!("192.1.2.183", global); |
| check!("192.168.254.253"); |
| check!("198.51.100.0", doc); |
| check!("203.0.113.0", doc); |
| check!("203.2.113.0", global); |
| check!("224.0.0.0", global|multicast); |
| check!("239.255.255.255", global|multicast); |
| check!("255.255.255.255"); |
| // make sure benchmarking addresses are not global |
| check!("198.18.0.0"); |
| check!("198.18.54.2"); |
| check!("198.19.255.255"); |
| // make sure addresses reserved for protocol assignment are not global |
| check!("192.0.0.0"); |
| check!("192.0.0.255"); |
| check!("192.0.0.100"); |
| // make sure reserved addresses are not global |
| check!("240.0.0.0"); |
| check!("251.54.1.76"); |
| check!("254.255.255.255"); |
| // make sure shared addresses are not global |
| check!("100.64.0.0"); |
| check!("100.127.255.255"); |
| check!("100.100.100.0"); |
| |
| check!("::", unspec); |
| check!("::1", loopback); |
| check!("::0.0.0.2", global); |
| check!("1::", global); |
| check!("fc00::"); |
| check!("fdff:ffff::"); |
| check!("fe80:ffff::"); |
| check!("febf:ffff::"); |
| check!("fec0::", global); |
| check!("ff01::", multicast); |
| check!("ff02::", multicast); |
| check!("ff03::", multicast); |
| check!("ff04::", multicast); |
| check!("ff05::", multicast); |
| check!("ff08::", multicast); |
| check!("ff0e::", global|multicast); |
| check!("2001:db8:85a3::8a2e:370:7334", doc); |
| check!("102:304:506:708:90a:b0c:d0e:f10", global); |
| } |
| |
| #[test] |
| fn ipv4_properties() { |
| macro_rules! ip { |
| ($s:expr) => { |
| Ipv4Addr::from_str($s).unwrap() |
| } |
| } |
| |
| macro_rules! check { |
| ($s:expr) => { |
| check!($s, 0); |
| }; |
| |
| ($s:expr, $mask:expr) => {{ |
| let unspec: u16 = 1 << 0; |
| let loopback: u16 = 1 << 1; |
| let private: u16 = 1 << 2; |
| let link_local: u16 = 1 << 3; |
| let global: u16 = 1 << 4; |
| let multicast: u16 = 1 << 5; |
| let broadcast: u16 = 1 << 6; |
| let documentation: u16 = 1 << 7; |
| let benchmarking: u16 = 1 << 8; |
| let ietf_protocol_assignment: u16 = 1 << 9; |
| let reserved: u16 = 1 << 10; |
| let shared: u16 = 1 << 11; |
| |
| if ($mask & unspec) == unspec { |
| assert!(ip!($s).is_unspecified()); |
| } else { |
| assert!(!ip!($s).is_unspecified()); |
| } |
| |
| if ($mask & loopback) == loopback { |
| assert!(ip!($s).is_loopback()); |
| } else { |
| assert!(!ip!($s).is_loopback()); |
| } |
| |
| if ($mask & private) == private { |
| assert!(ip!($s).is_private()); |
| } else { |
| assert!(!ip!($s).is_private()); |
| } |
| |
| if ($mask & link_local) == link_local { |
| assert!(ip!($s).is_link_local()); |
| } else { |
| assert!(!ip!($s).is_link_local()); |
| } |
| |
| if ($mask & global) == global { |
| assert!(ip!($s).is_global()); |
| } else { |
| assert!(!ip!($s).is_global()); |
| } |
| |
| if ($mask & multicast) == multicast { |
| assert!(ip!($s).is_multicast()); |
| } else { |
| assert!(!ip!($s).is_multicast()); |
| } |
| |
| if ($mask & broadcast) == broadcast { |
| assert!(ip!($s).is_broadcast()); |
| } else { |
| assert!(!ip!($s).is_broadcast()); |
| } |
| |
| if ($mask & documentation) == documentation { |
| assert!(ip!($s).is_documentation()); |
| } else { |
| assert!(!ip!($s).is_documentation()); |
| } |
| |
| if ($mask & benchmarking) == benchmarking { |
| assert!(ip!($s).is_benchmarking()); |
| } else { |
| assert!(!ip!($s).is_benchmarking()); |
| } |
| |
| if ($mask & ietf_protocol_assignment) == ietf_protocol_assignment { |
| assert!(ip!($s).is_ietf_protocol_assignment()); |
| } else { |
| assert!(!ip!($s).is_ietf_protocol_assignment()); |
| } |
| |
| if ($mask & reserved) == reserved { |
| assert!(ip!($s).is_reserved()); |
| } else { |
| assert!(!ip!($s).is_reserved()); |
| } |
| |
| if ($mask & shared) == shared { |
| assert!(ip!($s).is_shared()); |
| } else { |
| assert!(!ip!($s).is_shared()); |
| } |
| }} |
| } |
| |
| let unspec: u16 = 1 << 0; |
| let loopback: u16 = 1 << 1; |
| let private: u16 = 1 << 2; |
| let link_local: u16 = 1 << 3; |
| let global: u16 = 1 << 4; |
| let multicast: u16 = 1 << 5; |
| let broadcast: u16 = 1 << 6; |
| let documentation: u16 = 1 << 7; |
| let benchmarking: u16 = 1 << 8; |
| let ietf_protocol_assignment: u16 = 1 << 9; |
| let reserved: u16 = 1 << 10; |
| let shared: u16 = 1 << 11; |
| |
| check!("0.0.0.0", unspec); |
| check!("0.0.0.1"); |
| check!("0.1.0.0"); |
| check!("10.9.8.7", private); |
| check!("127.1.2.3", loopback); |
| check!("172.31.254.253", private); |
| check!("169.254.253.242", link_local); |
| check!("192.0.2.183", documentation); |
| check!("192.1.2.183", global); |
| check!("192.168.254.253", private); |
| check!("198.51.100.0", documentation); |
| check!("203.0.113.0", documentation); |
| check!("203.2.113.0", global); |
| check!("224.0.0.0", global|multicast); |
| check!("239.255.255.255", global|multicast); |
| check!("255.255.255.255", broadcast); |
| check!("198.18.0.0", benchmarking); |
| check!("198.18.54.2", benchmarking); |
| check!("198.19.255.255", benchmarking); |
| check!("192.0.0.0", ietf_protocol_assignment); |
| check!("192.0.0.255", ietf_protocol_assignment); |
| check!("192.0.0.100", ietf_protocol_assignment); |
| check!("240.0.0.0", reserved); |
| check!("251.54.1.76", reserved); |
| check!("254.255.255.255", reserved); |
| check!("100.64.0.0", shared); |
| check!("100.127.255.255", shared); |
| check!("100.100.100.0", shared); |
| } |
| |
| #[test] |
| fn ipv6_properties() { |
| macro_rules! ip { |
| ($s:expr) => { |
| Ipv6Addr::from_str($s).unwrap() |
| } |
| } |
| |
| macro_rules! check { |
| ($s:expr, &[$($octet:expr),*], $mask:expr) => { |
| assert_eq!($s, ip!($s).to_string()); |
| let octets = &[$($octet),*]; |
| assert_eq!(&ip!($s).octets(), octets); |
| assert_eq!(Ipv6Addr::from(*octets), ip!($s)); |
| |
| let unspecified: u16 = 1 << 0; |
| let loopback: u16 = 1 << 1; |
| let unique_local: u16 = 1 << 2; |
| let global: u16 = 1 << 3; |
| let unicast_link_local: u16 = 1 << 4; |
| let unicast_link_local_strict: u16 = 1 << 5; |
| let unicast_site_local: u16 = 1 << 6; |
| let unicast_global: u16 = 1 << 7; |
| let documentation: u16 = 1 << 8; |
| let multicast_interface_local: u16 = 1 << 9; |
| let multicast_link_local: u16 = 1 << 10; |
| let multicast_realm_local: u16 = 1 << 11; |
| let multicast_admin_local: u16 = 1 << 12; |
| let multicast_site_local: u16 = 1 << 13; |
| let multicast_organization_local: u16 = 1 << 14; |
| let multicast_global: u16 = 1 << 15; |
| let multicast: u16 = multicast_interface_local |
| | multicast_admin_local |
| | multicast_global |
| | multicast_link_local |
| | multicast_realm_local |
| | multicast_site_local |
| | multicast_organization_local; |
| |
| if ($mask & unspecified) == unspecified { |
| assert!(ip!($s).is_unspecified()); |
| } else { |
| assert!(!ip!($s).is_unspecified()); |
| } |
| if ($mask & loopback) == loopback { |
| assert!(ip!($s).is_loopback()); |
| } else { |
| assert!(!ip!($s).is_loopback()); |
| } |
| if ($mask & unique_local) == unique_local { |
| assert!(ip!($s).is_unique_local()); |
| } else { |
| assert!(!ip!($s).is_unique_local()); |
| } |
| if ($mask & global) == global { |
| assert!(ip!($s).is_global()); |
| } else { |
| assert!(!ip!($s).is_global()); |
| } |
| if ($mask & unicast_link_local) == unicast_link_local { |
| assert!(ip!($s).is_unicast_link_local()); |
| } else { |
| assert!(!ip!($s).is_unicast_link_local()); |
| } |
| if ($mask & unicast_link_local_strict) == unicast_link_local_strict { |
| assert!(ip!($s).is_unicast_link_local_strict()); |
| } else { |
| assert!(!ip!($s).is_unicast_link_local_strict()); |
| } |
| if ($mask & unicast_site_local) == unicast_site_local { |
| assert!(ip!($s).is_unicast_site_local()); |
| } else { |
| assert!(!ip!($s).is_unicast_site_local()); |
| } |
| if ($mask & unicast_global) == unicast_global { |
| assert!(ip!($s).is_unicast_global()); |
| } else { |
| assert!(!ip!($s).is_unicast_global()); |
| } |
| if ($mask & documentation) == documentation { |
| assert!(ip!($s).is_documentation()); |
| } else { |
| assert!(!ip!($s).is_documentation()); |
| } |
| if ($mask & multicast) != 0 { |
| assert!(ip!($s).multicast_scope().is_some()); |
| assert!(ip!($s).is_multicast()); |
| } else { |
| assert!(ip!($s).multicast_scope().is_none()); |
| assert!(!ip!($s).is_multicast()); |
| } |
| if ($mask & multicast_interface_local) == multicast_interface_local { |
| assert_eq!(ip!($s).multicast_scope().unwrap(), |
| Ipv6MulticastScope::InterfaceLocal); |
| } |
| if ($mask & multicast_link_local) == multicast_link_local { |
| assert_eq!(ip!($s).multicast_scope().unwrap(), |
| Ipv6MulticastScope::LinkLocal); |
| } |
| if ($mask & multicast_realm_local) == multicast_realm_local { |
| assert_eq!(ip!($s).multicast_scope().unwrap(), |
| Ipv6MulticastScope::RealmLocal); |
| } |
| if ($mask & multicast_admin_local) == multicast_admin_local { |
| assert_eq!(ip!($s).multicast_scope().unwrap(), |
| Ipv6MulticastScope::AdminLocal); |
| } |
| if ($mask & multicast_site_local) == multicast_site_local { |
| assert_eq!(ip!($s).multicast_scope().unwrap(), |
| Ipv6MulticastScope::SiteLocal); |
| } |
| if ($mask & multicast_organization_local) == multicast_organization_local { |
| assert_eq!(ip!($s).multicast_scope().unwrap(), |
| Ipv6MulticastScope::OrganizationLocal); |
| } |
| if ($mask & multicast_global) == multicast_global { |
| assert_eq!(ip!($s).multicast_scope().unwrap(), |
| Ipv6MulticastScope::Global); |
| } |
| } |
| } |
| |
| let unspecified: u16 = 1 << 0; |
| let loopback: u16 = 1 << 1; |
| let unique_local: u16 = 1 << 2; |
| let global: u16 = 1 << 3; |
| let unicast_link_local: u16 = 1 << 4; |
| let unicast_link_local_strict: u16 = 1 << 5; |
| let unicast_site_local: u16 = 1 << 6; |
| let unicast_global: u16 = 1 << 7; |
| let documentation: u16 = 1 << 8; |
| let multicast_interface_local: u16 = 1 << 9; |
| let multicast_link_local: u16 = 1 << 10; |
| let multicast_realm_local: u16 = 1 << 11; |
| let multicast_admin_local: u16 = 1 << 12; |
| let multicast_site_local: u16 = 1 << 13; |
| let multicast_organization_local: u16 = 1 << 14; |
| let multicast_global: u16 = 1 << 15; |
| |
| check!("::", |
| &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unspecified); |
| |
| check!("::1", |
| &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1], |
| loopback); |
| |
| check!("::0.0.0.2", |
| &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2], |
| global | unicast_global); |
| |
| check!("1::", |
| &[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| global | unicast_global); |
| |
| check!("fc00::", |
| &[0xfc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unique_local); |
| |
| check!("fdff:ffff::", |
| &[0xfd, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unique_local); |
| |
| check!("fe80:ffff::", |
| &[0xfe, 0x80, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unicast_link_local); |
| |
| check!("fe80::", |
| &[0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unicast_link_local|unicast_link_local_strict); |
| |
| check!("febf:ffff::", |
| &[0xfe, 0xbf, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unicast_link_local); |
| |
| check!("febf::", |
| &[0xfe, 0xbf, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unicast_link_local); |
| |
| check!("febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff", |
| &[0xfe, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff], |
| unicast_link_local); |
| |
| check!("fe80::ffff:ffff:ffff:ffff", |
| &[0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff], |
| unicast_link_local|unicast_link_local_strict); |
| |
| check!("fe80:0:0:1::", |
| &[0xfe, 0x80, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
| unicast_link_local); |
| |
| check!("fec0::", |
| &[0xfe, 0xc0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| unicast_site_local|unicast_global|global); |
| |
| check!("ff01::", |
| &[0xff, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| multicast_interface_local); |
| |
| check!("ff02::", |
| &[0xff, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| multicast_link_local); |
| |
| check!("ff03::", |
| &[0xff, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| multicast_realm_local); |
| |
| check!("ff04::", |
| &[0xff, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| multicast_admin_local); |
| |
| check!("ff05::", |
| &[0xff, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| multicast_site_local); |
| |
| check!("ff08::", |
| &[0xff, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| multicast_organization_local); |
| |
| check!("ff0e::", |
| &[0xff, 0xe, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| multicast_global | global); |
| |
| check!("2001:db8:85a3::8a2e:370:7334", |
| &[0x20, 1, 0xd, 0xb8, 0x85, 0xa3, 0, 0, 0, 0, 0x8a, 0x2e, 3, 0x70, 0x73, 0x34], |
| documentation); |
| |
| check!("102:304:506:708:90a:b0c:d0e:f10", |
| &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16], |
| global| unicast_global); |
| } |
| |
| #[test] |
| fn to_socket_addr_socketaddr() { |
| let a = sa4(Ipv4Addr::new(77, 88, 21, 11), 12345); |
| assert_eq!(Ok(vec![a]), tsa(a)); |
| } |
| |
| #[test] |
| fn test_ipv4_to_int() { |
| let a = Ipv4Addr::new(0x11, 0x22, 0x33, 0x44); |
| assert_eq!(u32::from(a), 0x11223344); |
| } |
| |
| #[test] |
| fn test_int_to_ipv4() { |
| let a = Ipv4Addr::new(0x11, 0x22, 0x33, 0x44); |
| assert_eq!(Ipv4Addr::from(0x11223344), a); |
| } |
| |
| #[test] |
| fn test_ipv6_to_int() { |
| let a = Ipv6Addr::new(0x1122, 0x3344, 0x5566, 0x7788, 0x99aa, 0xbbcc, 0xddee, 0xff11); |
| assert_eq!(u128::from(a), 0x112233445566778899aabbccddeeff11u128); |
| } |
| |
| #[test] |
| fn test_int_to_ipv6() { |
| let a = Ipv6Addr::new(0x1122, 0x3344, 0x5566, 0x7788, 0x99aa, 0xbbcc, 0xddee, 0xff11); |
| assert_eq!(Ipv6Addr::from(0x112233445566778899aabbccddeeff11u128), a); |
| } |
| |
| #[test] |
| fn ipv4_from_constructors() { |
| assert_eq!(Ipv4Addr::LOCALHOST, Ipv4Addr::new(127, 0, 0, 1)); |
| assert!(Ipv4Addr::LOCALHOST.is_loopback()); |
| assert_eq!(Ipv4Addr::UNSPECIFIED, Ipv4Addr::new(0, 0, 0, 0)); |
| assert!(Ipv4Addr::UNSPECIFIED.is_unspecified()); |
| assert_eq!(Ipv4Addr::BROADCAST, Ipv4Addr::new(255, 255, 255, 255)); |
| assert!(Ipv4Addr::BROADCAST.is_broadcast()); |
| } |
| |
| #[test] |
| fn ipv6_from_contructors() { |
| assert_eq!(Ipv6Addr::LOCALHOST, Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); |
| assert!(Ipv6Addr::LOCALHOST.is_loopback()); |
| assert_eq!(Ipv6Addr::UNSPECIFIED, Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)); |
| assert!(Ipv6Addr::UNSPECIFIED.is_unspecified()); |
| } |
| |
| #[test] |
| fn ipv4_from_octets() { |
| assert_eq!(Ipv4Addr::from([127, 0, 0, 1]), Ipv4Addr::new(127, 0, 0, 1)) |
| } |
| |
| #[test] |
| fn ipv6_from_segments() { |
| let from_u16s = Ipv6Addr::from([0x0011, 0x2233, 0x4455, 0x6677, |
| 0x8899, 0xaabb, 0xccdd, 0xeeff]); |
| let new = Ipv6Addr::new(0x0011, 0x2233, 0x4455, 0x6677, |
| 0x8899, 0xaabb, 0xccdd, 0xeeff); |
| assert_eq!(new, from_u16s); |
| } |
| |
| #[test] |
| fn ipv6_from_octets() { |
| let from_u16s = Ipv6Addr::from([0x0011, 0x2233, 0x4455, 0x6677, |
| 0x8899, 0xaabb, 0xccdd, 0xeeff]); |
| let from_u8s = Ipv6Addr::from([0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
| 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff]); |
| assert_eq!(from_u16s, from_u8s); |
| } |
| |
| #[test] |
| fn cmp() { |
| let v41 = Ipv4Addr::new(100, 64, 3, 3); |
| let v42 = Ipv4Addr::new(192, 0, 2, 2); |
| let v61 = "2001:db8:f00::1002".parse::<Ipv6Addr>().unwrap(); |
| let v62 = "2001:db8:f00::2001".parse::<Ipv6Addr>().unwrap(); |
| assert!(v41 < v42); |
| assert!(v61 < v62); |
| |
| assert_eq!(v41, IpAddr::V4(v41)); |
| assert_eq!(v61, IpAddr::V6(v61)); |
| assert!(v41 != IpAddr::V4(v42)); |
| assert!(v61 != IpAddr::V6(v62)); |
| |
| assert!(v41 < IpAddr::V4(v42)); |
| assert!(v61 < IpAddr::V6(v62)); |
| assert!(IpAddr::V4(v41) < v42); |
| assert!(IpAddr::V6(v61) < v62); |
| |
| assert!(v41 < IpAddr::V6(v61)); |
| assert!(IpAddr::V4(v41) < v61); |
| } |
| |
| #[test] |
| fn is_v4() { |
| let ip = IpAddr::V4(Ipv4Addr::new(100, 64, 3, 3)); |
| assert!(ip.is_ipv4()); |
| assert!(!ip.is_ipv6()); |
| } |
| |
| #[test] |
| fn is_v6() { |
| let ip = IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0x1234, 0x5678)); |
| assert!(!ip.is_ipv4()); |
| assert!(ip.is_ipv6()); |
| } |
| } |