2 lines
15 KiB
Rust
2 lines
15 KiB
Rust
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use crate :: cmp :: Ordering ; use crate :: fmt :: { self , Write as FmtWrite } ; use crate :: hash ; use crate :: io :: Write as IoWrite ; use crate :: mem :: transmute ; use crate :: sys :: net :: netc as c ; use crate :: sys_common :: { AsInner , FromInner , IntoInner } ; # [derive (Copy , Clone , Eq , PartialEq , Hash , PartialOrd , Ord)] pub enum IpAddr { V4 (Ipv4Addr) , V6 (Ipv6Addr) , } # [derive (Copy)] pub struct Ipv4Addr { inner : c :: in_addr , } # [derive (Copy)] pub struct Ipv6Addr { inner : c :: in6_addr , } # [derive (Copy , PartialEq , Eq , Clone , Hash , Debug)] # [non_exhaustive] pub enum Ipv6MulticastScope { InterfaceLocal , LinkLocal , RealmLocal , AdminLocal , SiteLocal , OrganizationLocal , Global , } impl IpAddr { pub const fn is_unspecified (& self) -> bool { match self { IpAddr :: V4 (ip) => ip . is_unspecified () , IpAddr :: V6 (ip) => ip . is_unspecified () , } } pub const fn is_loopback (& self) -> bool { match self { IpAddr :: V4 (ip) => ip . is_loopback () , IpAddr :: V6 (ip) => ip . is_loopback () , } } pub const fn is_global (& self) -> bool { match self { IpAddr :: V4 (ip) => ip . is_global () , IpAddr :: V6 (ip) => ip . is_global () , } } pub const fn is_multicast (& self) -> bool { match self { IpAddr :: V4 (ip) => ip . is_multicast () , IpAddr :: V6 (ip) => ip . is_multicast () , } } pub const fn is_documentation (& self) -> bool { match self { IpAddr :: V4 (ip) => ip . is_documentation () , IpAddr :: V6 (ip) => ip . is_documentation () , } } pub const fn is_benchmarking (& self) -> bool { match self { IpAddr :: V4 (ip) => ip . is_benchmarking () , IpAddr :: V6 (ip) => ip . is_benchmarking () , } } pub const fn is_ipv4 (& self) -> bool { matches ! (self , IpAddr :: V4 (_)) } pub const fn is_ipv6 (& self) -> bool { matches ! (self , IpAddr :: V6 (_)) } pub const fn to_canonical (& self) -> IpAddr { match self { & v4 @ IpAddr :: V4 (_) => v4 , IpAddr :: V6 (v6) => v6 . to_canonical () , } } } impl Ipv4Addr { pub const fn new (a : u8 , b : u8 , c : u8 , d : u8) -> Ipv4Addr { Ipv4Addr { inner : c :: in_addr { s_addr : u32 :: from_ne_bytes ([a , b , c , d]) } } } pub const LOCALHOST : Self = Ipv4Addr :: new (127 , 0 , 0 , 1) ; # [doc (alias = "INADDR_ANY")] pub const UNSPECIFIED : Self = Ipv4Addr :: new (0 , 0 , 0 , 0) ; pub const BROADCAST : Self = Ipv4Addr :: new (255 , 255 , 255 , 255) ; pub const fn octets (& self) -> [u8 ; 4] { self . inner . s_addr . to_ne_bytes () } pub const fn is_unspecified (& self) -> bool { self . inner . s_addr == 0 } pub const fn is_loopback (& self) -> bool { self . octets () [0] == 127 } pub const fn is_private (& self) -> bool { match self . octets () { [10 , ..] => true , [172 , b , ..] if b >= 16 && b <= 31 => true , [192 , 168 , ..] => true , _ => false , } } pub const fn is_link_local (& self) -> bool { matches ! (self . octets () , [169 , 254 , ..]) } pub const fn is_global (& self) -> bool { if u32 :: from_be_bytes (self . octets ()) == 0xc0000009 || u32 :: from_be_bytes (self . octets ()) == 0xc000000a { return true ; } ! self . is_private () && ! self . is_loopback () && ! self . is_link_local () && ! self . is_broadcast () && ! self . is_documentation () && ! self . is_shared () && ! (self . octets () [0] == 192 && self . octets () [1] == 0 && self . octets () [2] == 0) && ! self . is_reserved () && ! self . is_benchmarking () && self . octets () [0] != 0 } pub const fn is_shared (& self) -> bool { self . octets () [0] == 100 && (self . octets () [1] & 0b1100_0000 == 0b0100_0000) } pub const fn is_benchmarking (& self) -> bool { self . octets () [0] == 198 && (self . octets () [1] & 0xfe) == 18 } pub const fn is_reserved (& self) -> bool { self . octets () [0] & 240 == 240 && ! self . is_broadcast () } pub const fn is_multicast (& self) -> bool { self . octets () [0] >= 224 && self . octets () [0] <= 239 } pub const fn is_broadcast (& self) -> bool { u32 :: from_be_bytes (self . octets ()) == u32 :: from_be_bytes (Self :: BROADCAST . octets ()) } pub const fn is_documentation (& self) -> bool { matches ! (self . octets () , [192 , 0 , 2 , _] | [19
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