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authorVivian Lim <[email protected]>2021-02-06 22:11:59 -0800
committerVivian Lim <[email protected]>2021-02-06 22:11:59 -0800
commit64423f0e34cc4a7d78c15b345b3b8f58243d8286 (patch)
treecc20e2e7f0fc35abf470e20e61d3d48f0d954f3b /ctr-std/src/net/ip.rs
parentSupport libctru 2.0 (diff)
downloadctru-rs-64423f0e34cc4a7d78c15b345b3b8f58243d8286.tar.xz
ctru-rs-64423f0e34cc4a7d78c15b345b3b8f58243d8286.zip
Delete ctr-std to use my fork of the rust repo instead
Diffstat (limited to 'ctr-std/src/net/ip.rs')
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diff --git a/ctr-std/src/net/ip.rs b/ctr-std/src/net/ip.rs
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-// 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());
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-11 04:35:11 +0000