diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/net/ip.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/libstd/net/ip.rs b/src/libstd/net/ip.rs index f94923d28d2..6e9c6588a1d 100644 --- a/src/libstd/net/ip.rs +++ b/src/libstd/net/ip.rs @@ -532,6 +532,31 @@ impl Ipv4Addr { !self.is_broadcast() && !self.is_documentation() && !self.is_unspecified() } + /// Returns [`true`] if this address part of the `198.18.0.0/15` range, which is reserved for + /// network devices benchmarking. This range is defined in [IETF RFC 2544] as `192.18.0.0` + /// through `198.19.255.255` but [errata 423] corrects it to `198.18.0.0/15`. + /// + /// [IETF RFC 1112]: https://tools.ietf.org/html/rfc1112 + /// [errate 423]: https://www.rfc-editor.org/errata/eid423 + /// [`true`]: ../../std/primitive.bool.html + /// + /// # Examples + /// + /// ``` + /// #![feature(ip)] + /// use std::net::Ipv4Addr; + /// + /// fn main() { + /// assert_eq!(Ipv4Addr::new(198, 17, 255, 255).is_benchmarking(), false); + /// assert_eq!(Ipv4Addr::new(198, 18, 0, 0).is_benchmarking(), true); + /// assert_eq!(Ipv4Addr::new(198, 19, 255, 255).is_benchmarking(), true); + /// assert_eq!(Ipv4Addr::new(198, 20, 0, 0).is_benchmarking(), false); + /// } + /// ``` + pub fn is_benchmarking(&self) -> bool { + self.octets()[0] == 198 && (self.octets()[1] & 0xfe) == 18 + } + /// Returns [`true`] if this address is reserved by IANA for future use. [IETF RFC 1112] /// defines the block of reserved addresses as `240.0.0.0/4`. This range normally includes the /// broadcast address `255.255.255.255`, but this implementation explicitely excludes it, since |