| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![unstable(feature = "ip", reason = "extra functionality has not been \ |
| scrutinized to the level that it should \ |
| be to be stable", |
| issue = "27709")] |
| |
| use cmp::Ordering; |
| use fmt; |
| use hash; |
| use sys::net::netc as c; |
| use 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")] |
| #[rustc_const_unstable(feature = "const_ip")] |
| pub const fn new(a: u8, b: u8, c: u8, d: u8) -> Ipv4Addr { |
| 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 |
| /// |
| /// ``` |
| /// #![feature(ip_constructors)] |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::LOCALHOST; |
| /// assert_eq!(addr, Ipv4Addr::new(127, 0, 0, 1)); |
| /// ``` |
| #[unstable(feature = "ip_constructors", |
| reason = "requires greater scrutiny before stabilization", |
| issue = "44582")] |
| pub const LOCALHOST: Self = Ipv4Addr::new(127, 0, 0, 1); |
| |
| /// An IPv4 address representing an unspecified address: 0.0.0.0 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip_constructors)] |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::UNSPECIFIED; |
| /// assert_eq!(addr, Ipv4Addr::new(0, 0, 0, 0)); |
| /// ``` |
| #[unstable(feature = "ip_constructors", |
| reason = "requires greater scrutiny before stabilization", |
| issue = "44582")] |
| pub const UNSPECIFIED: Self = Ipv4Addr::new(0, 0, 0, 0); |
| |
| /// An IPv4 address representing the broadcast address: 255.255.255.255 |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip_constructors)] |
| /// use std::net::Ipv4Addr; |
| /// |
| /// let addr = Ipv4Addr::BROADCAST; |
| /// assert_eq!(addr, Ipv4Addr::new(255, 255, 255, 255)); |
| /// ``` |
| #[unstable(feature = "ip_constructors", |
| reason = "requires greater scrutiny before stabilization", |
| issue = "44582")] |
| 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] { |
| let bits = u32::from_be(self.inner.s_addr); |
| [(bits >> 24) as u8, (bits >> 16) as u8, (bits >> 8) as u8, bits as u8] |
| } |
| |
| /// 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 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 address (10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16) |
| /// - the loopback address (127.0.0.0/8) |
| /// - the link-local address (169.254.0.0/16) |
| /// - the broadcast address (255.255.255.255/32) |
| /// - test addresses used for documentation (192.0.2.0/24, 198.51.100.0/24 and 203.0.113.0/24) |
| /// - the unspecified address (0.0.0.0) |
| /// |
| /// [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() { |
| /// 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); |
| /// assert_eq!(Ipv4Addr::new(0, 0, 0, 0).is_global(), false); |
| /// assert_eq!(Ipv4Addr::new(80, 9, 12, 3).is_global(), true); |
| /// } |
| /// ``` |
| pub fn is_global(&self) -> bool { |
| !self.is_private() && !self.is_loopback() && !self.is_link_local() && |
| !self.is_broadcast() && !self.is_documentation() && !self.is_unspecified() |
| } |
| |
| /// 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 { |
| Ipv6Addr::new(0, 0, 0, 0, 0, 0, |
| ((self.octets()[0] as u16) << 8) | self.octets()[1] as u16, |
| ((self.octets()[2] as u16) << 8) | self.octets()[3] as u16) |
| } |
| |
| /// 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 { |
| Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, |
| ((self.octets()[0] as u16) << 8) | self.octets()[1] as u16, |
| ((self.octets()[2] as u16) << 8) | self.octets()[3] as u16) |
| } |
| } |
| |
| #[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 { |
| /// Convert 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(); |
| ((ip[0] as u32) << 24) + ((ip[1] as u32) << 16) + ((ip[2] as u32) << 8) + (ip[3] as u32) |
| } |
| } |
| |
| #[stable(feature = "ip_u32", since = "1.1.0")] |
| impl From<u32> for Ipv4Addr { |
| /// Convert 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::new((ip >> 24) as u8, (ip >> 16) as u8, (ip >> 8) as u8, ip as u8) |
| } |
| } |
| |
| #[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 { |
| /// Create 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")] |
| #[rustc_const_unstable(feature = "const_ip")] |
| 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 |
| /// |
| /// ``` |
| /// #![feature(ip_constructors)] |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let addr = Ipv6Addr::LOCALHOST; |
| /// assert_eq!(addr, Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); |
| /// ``` |
| #[unstable(feature = "ip_constructors", |
| reason = "requires greater scrutiny before stabilization", |
| issue = "44582")] |
| pub const LOCALHOST: Self = Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1); |
| |
| /// An IPv6 address representing the unspecified address: `::` |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// #![feature(ip_constructors)] |
| /// use std::net::Ipv6Addr; |
| /// |
| /// let addr = Ipv6Addr::UNSPECIFIED; |
| /// assert_eq!(addr, Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)); |
| /// ``` |
| #[unstable(feature = "ip_constructors", |
| reason = "requires greater scrutiny before stabilization", |
| issue = "44582")] |
| 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; |
| [ |
| (arr[0] as u16) << 8 | (arr[1] as u16), |
| (arr[2] as u16) << 8 | (arr[3] as u16), |
| (arr[4] as u16) << 8 | (arr[5] as u16), |
| (arr[6] as u16) << 8 | (arr[7] as u16), |
| (arr[8] as u16) << 8 | (arr[9] as u16), |
| (arr[10] as u16) << 8 | (arr[11] as u16), |
| (arr[12] as u16) << 8 | (arr[13] as u16), |
| (arr[14] as u16) << 8 | (arr[15] as u16), |
| ] |
| } |
| |
| /// 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 unicast and link-local (fe80::/10). |
| /// |
| /// This property is defined in [IETF RFC 4291]. |
| /// |
| /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291 |
| /// [`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_unicast_link_local(), |
| /// false); |
| /// assert_eq!(Ipv6Addr::new(0xfe8a, 0, 0, 0, 0, 0, 0, 0).is_unicast_link_local(), true); |
| /// } |
| /// ``` |
| 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). |
| /// |
| /// [`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_unicast_site_local(), |
| /// false); |
| /// assert_eq!(Ipv6Addr::new(0xfec2, 0, 0, 0, 0, 0, 0, 0).is_unicast_site_local(), true); |
| /// } |
| /// ``` |
| 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 |
| /// - the (deprecated) site-local addresses |
| /// - unique local addresses |
| /// - the unspecified address |
| /// - the address range reserved for documentation |
| /// |
| /// [`true`]: ../../std/primitive.bool.html |
| /// |
| /// # 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_unicast_site_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 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 { |
| fn from(ip: Ipv6Addr) -> u128 { |
| let ip = ip.segments(); |
| ((ip[0] as u128) << 112) + ((ip[1] as u128) << 96) + ((ip[2] as u128) << 80) + |
| ((ip[3] as u128) << 64) + ((ip[4] as u128) << 48) + ((ip[5] as u128) << 32) + |
| ((ip[6] as u128) << 16) + (ip[7] as u128) |
| } |
| } |
| #[stable(feature = "i128", since = "1.26.0")] |
| impl From<u128> for Ipv6Addr { |
| fn from(ip: u128) -> Ipv6Addr { |
| Ipv6Addr::new( |
| (ip >> 112) as u16, (ip >> 96) as u16, (ip >> 80) as u16, |
| (ip >> 64) as u16, (ip >> 48) as u16, (ip >> 32) as u16, |
| (ip >> 16) as u16, ip as u16, |
| ) |
| } |
| } |
| |
| #[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 { |
| /// Create 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 { |
| /// Create 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 net::*; |
| use net::Ipv6MulticastScope::*; |
| use net::test::{tsa, sa6, sa4}; |
| |
| #[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() { |
| fn check4(octets: &[u8; 4], unspec: bool, loopback: bool, |
| global: bool, multicast: bool, documentation: bool) { |
| let ip = IpAddr::V4(Ipv4Addr::new(octets[0], octets[1], octets[2], octets[3])); |
| assert_eq!(ip.is_unspecified(), unspec); |
| assert_eq!(ip.is_loopback(), loopback); |
| assert_eq!(ip.is_global(), global); |
| assert_eq!(ip.is_multicast(), multicast); |
| assert_eq!(ip.is_documentation(), documentation); |
| } |
| |
| fn check6(str_addr: &str, unspec: bool, loopback: bool, |
| global: bool, u_doc: bool, mcast: bool) { |
| let ip = IpAddr::V6(str_addr.parse().unwrap()); |
| assert_eq!(ip.is_unspecified(), unspec); |
| assert_eq!(ip.is_loopback(), loopback); |
| assert_eq!(ip.is_global(), global); |
| assert_eq!(ip.is_documentation(), u_doc); |
| assert_eq!(ip.is_multicast(), mcast); |
| } |
| |
| // address unspec loopbk global multicast doc |
| check4(&[0, 0, 0, 0], true, false, false, false, false); |
| check4(&[0, 0, 0, 1], false, false, true, false, false); |
| check4(&[0, 1, 0, 0], false, false, true, false, false); |
| check4(&[10, 9, 8, 7], false, false, false, false, false); |
| check4(&[127, 1, 2, 3], false, true, false, false, false); |
| check4(&[172, 31, 254, 253], false, false, false, false, false); |
| check4(&[169, 254, 253, 242], false, false, false, false, false); |
| check4(&[192, 0, 2, 183], false, false, false, false, true); |
| check4(&[192, 1, 2, 183], false, false, true, false, false); |
| check4(&[192, 168, 254, 253], false, false, false, false, false); |
| check4(&[198, 51, 100, 0], false, false, false, false, true); |
| check4(&[203, 0, 113, 0], false, false, false, false, true); |
| check4(&[203, 2, 113, 0], false, false, true, false, false); |
| check4(&[224, 0, 0, 0], false, false, true, true, false); |
| check4(&[239, 255, 255, 255], false, false, true, true, false); |
| check4(&[255, 255, 255, 255], false, false, false, false, false); |
| |
| // address unspec loopbk global doc mcast |
| check6("::", true, false, false, false, false); |
| check6("::1", false, true, false, false, false); |
| check6("::0.0.0.2", false, false, true, false, false); |
| check6("1::", false, false, true, false, false); |
| check6("fc00::", false, false, false, false, false); |
| check6("fdff:ffff::", false, false, false, false, false); |
| check6("fe80:ffff::", false, false, false, false, false); |
| check6("febf:ffff::", false, false, false, false, false); |
| check6("fec0::", false, false, false, false, false); |
| check6("ff01::", false, false, false, false, true); |
| check6("ff02::", false, false, false, false, true); |
| check6("ff03::", false, false, false, false, true); |
| check6("ff04::", false, false, false, false, true); |
| check6("ff05::", false, false, false, false, true); |
| check6("ff08::", false, false, false, false, true); |
| check6("ff0e::", false, false, true, false, true); |
| check6("2001:db8:85a3::8a2e:370:7334", false, false, false, true, false); |
| check6("102:304:506:708:90a:b0c:d0e:f10", false, false, true, false, false); |
| } |
| |
| #[test] |
| fn ipv4_properties() { |
| fn check(octets: &[u8; 4], unspec: bool, loopback: bool, |
| private: bool, link_local: bool, global: bool, |
| multicast: bool, broadcast: bool, documentation: bool) { |
| let ip = Ipv4Addr::new(octets[0], octets[1], octets[2], octets[3]); |
| assert_eq!(octets, &ip.octets()); |
| |
| assert_eq!(ip.is_unspecified(), unspec); |
| assert_eq!(ip.is_loopback(), loopback); |
| assert_eq!(ip.is_private(), private); |
| assert_eq!(ip.is_link_local(), link_local); |
| assert_eq!(ip.is_global(), global); |
| assert_eq!(ip.is_multicast(), multicast); |
| assert_eq!(ip.is_broadcast(), broadcast); |
| assert_eq!(ip.is_documentation(), documentation); |
| } |
| |
| // address unspec loopbk privt linloc global multicast brdcast doc |
| check(&[0, 0, 0, 0], true, false, false, false, false, false, false, false); |
| check(&[0, 0, 0, 1], false, false, false, false, true, false, false, false); |
| check(&[0, 1, 0, 0], false, false, false, false, true, false, false, false); |
| check(&[10, 9, 8, 7], false, false, true, false, false, false, false, false); |
| check(&[127, 1, 2, 3], false, true, false, false, false, false, false, false); |
| check(&[172, 31, 254, 253], false, false, true, false, false, false, false, false); |
| check(&[169, 254, 253, 242], false, false, false, true, false, false, false, false); |
| check(&[192, 0, 2, 183], false, false, false, false, false, false, false, true); |
| check(&[192, 1, 2, 183], false, false, false, false, true, false, false, false); |
| check(&[192, 168, 254, 253], false, false, true, false, false, false, false, false); |
| check(&[198, 51, 100, 0], false, false, false, false, false, false, false, true); |
| check(&[203, 0, 113, 0], false, false, false, false, false, false, false, true); |
| check(&[203, 2, 113, 0], false, false, false, false, true, false, false, false); |
| check(&[224, 0, 0, 0], false, false, false, false, true, true, false, false); |
| check(&[239, 255, 255, 255], false, false, false, false, true, true, false, false); |
| check(&[255, 255, 255, 255], false, false, false, false, false, false, true, false); |
| } |
| |
| #[test] |
| fn ipv6_properties() { |
| fn check(str_addr: &str, octets: &[u8; 16], unspec: bool, loopback: bool, |
| unique_local: bool, global: bool, |
| u_link_local: bool, u_site_local: bool, u_global: bool, u_doc: bool, |
| m_scope: Option<Ipv6MulticastScope>) { |
| let ip: Ipv6Addr = str_addr.parse().unwrap(); |
| assert_eq!(str_addr, ip.to_string()); |
| assert_eq!(&ip.octets(), octets); |
| assert_eq!(Ipv6Addr::from(*octets), ip); |
| |
| assert_eq!(ip.is_unspecified(), unspec); |
| assert_eq!(ip.is_loopback(), loopback); |
| assert_eq!(ip.is_unique_local(), unique_local); |
| assert_eq!(ip.is_global(), global); |
| assert_eq!(ip.is_unicast_link_local(), u_link_local); |
| assert_eq!(ip.is_unicast_site_local(), u_site_local); |
| assert_eq!(ip.is_unicast_global(), u_global); |
| assert_eq!(ip.is_documentation(), u_doc); |
| assert_eq!(ip.multicast_scope(), m_scope); |
| assert_eq!(ip.is_multicast(), m_scope.is_some()); |
| } |
| |
| // unspec loopbk uniqlo global unill unisl uniglo doc mscope |
| check("::", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| true, false, false, false, false, false, false, false, None); |
| check("::1", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1], |
| false, true, false, false, false, false, false, false, None); |
| check("::0.0.0.2", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2], |
| false, false, false, true, false, false, true, false, None); |
| check("1::", &[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, true, false, false, true, false, None); |
| check("fc00::", &[0xfc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, true, false, false, false, false, false, None); |
| check("fdff:ffff::", &[0xfd, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, true, false, false, false, false, false, None); |
| check("fe80:ffff::", &[0xfe, 0x80, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, true, false, false, false, None); |
| check("febf:ffff::", &[0xfe, 0xbf, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, true, false, false, false, None); |
| check("fec0::", &[0xfe, 0xc0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, false, true, false, false, None); |
| check("ff01::", &[0xff, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, false, false, false, false, Some(InterfaceLocal)); |
| check("ff02::", &[0xff, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, false, false, false, false, Some(LinkLocal)); |
| check("ff03::", &[0xff, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, false, false, false, false, Some(RealmLocal)); |
| check("ff04::", &[0xff, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, false, false, false, false, Some(AdminLocal)); |
| check("ff05::", &[0xff, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, false, false, false, false, Some(SiteLocal)); |
| check("ff08::", &[0xff, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, false, false, false, false, false, Some(OrganizationLocal)); |
| check("ff0e::", &[0xff, 0xe, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
| false, false, false, true, false, false, false, false, Some(Global)); |
| check("2001:db8:85a3::8a2e:370:7334", |
| &[0x20, 1, 0xd, 0xb8, 0x85, 0xa3, 0, 0, 0, 0, 0x8a, 0x2e, 3, 0x70, 0x73, 0x34], |
| false, false, false, false, false, false, false, true, None); |
| 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], |
| false, false, false, true, false, false, true, false, None); |
| } |
| |
| #[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()); |
| } |
| } |
