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Add examples for Ipv4Addr

This commit is contained in:
Guillaume Gomez 2016-11-16 20:40:01 +01:00
parent 27acb5ca11
commit 976bfc0322
1 changed files with 124 additions and 1 deletions
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125
src/libstd/net/ip.rs
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@ -154,6 +154,14 @@ impl Ipv4Addr {
/// Creates a new IPv4 address from four eight-bit octets.
///
/// The result will represent the IP address `a`.`b`.`c`.`d`.
///
/// # Examples
///
/// ```
/// use std::net::Ipv4Addr;
///
/// let addr = Ipv4Addr::new(127, 0, 0, 1);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn new(a: u8, b: u8, c: u8, d: u8) -> Ipv4Addr {
Ipv4Addr {
@ -167,6 +175,15 @@ impl Ipv4Addr {
}
/// 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 = ntoh(self.inner.s_addr);
@ -178,7 +195,16 @@ impl Ipv4Addr {
/// 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)
/// [ip7]: http://man7.org/linux/man-pages/man7/ip.7.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
@ -189,6 +215,15 @@ impl Ipv4Addr {
/// This property is defined by [RFC 1122].
///
/// [RFC 1122]: https://tools.ietf.org/html/rfc1122
///
/// # 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
@ -203,6 +238,20 @@ impl Ipv4Addr {
/// - 192.168.0.0/16
///
/// [RFC 1918]: https://tools.ietf.org/html/rfc1918
///
/// # 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()[0], self.octets()[1]) {
@ -218,6 +267,16 @@ impl Ipv4Addr {
/// This property is defined by [RFC 3927].
///
/// [RFC 3927]: https://tools.ietf.org/html/rfc3927
///
/// # 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 {
self.octets()[0] == 169 && self.octets()[1] == 254
@ -236,6 +295,22 @@ impl Ipv4Addr {
/// - the unspecified address (0.0.0.0)
///
/// [ipv4-sr]: http://goo.gl/RaZ7lg
///
/// # 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()
@ -247,6 +322,16 @@ impl Ipv4Addr {
/// and is defined by [RFC 5771].
///
/// [RFC 5771]: https://tools.ietf.org/html/rfc5771
///
/// # 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
@ -257,6 +342,15 @@ impl Ipv4Addr {
/// A broadcast address has all octets set to 255 as defined in [RFC 919].
///
/// [RFC 919]: https://tools.ietf.org/html/rfc919
///
/// # 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.octets()[0] == 255 && self.octets()[1] == 255 &&
@ -272,6 +366,17 @@ impl Ipv4Addr {
/// - 203.0.113.0/24 (TEST-NET-3)
///
/// [RFC 5737]: https://tools.ietf.org/html/rfc5737
///
/// # 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()[0], self.octets()[1], self.octets()[2], self.octets()[3]) {
@ -285,6 +390,15 @@ impl Ipv4Addr {
/// Converts this address to an IPv4-compatible IPv6 address.
///
/// a.b.c.d becomes ::a.b.c.d
///
/// # 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,
@ -295,6 +409,15 @@ impl Ipv4Addr {
/// Converts this address to an IPv4-mapped IPv6 address.
///
/// a.b.c.d becomes ::ffff:a.b.c.d
///
/// # 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,