/// let addr = Ipv4Addr::new(127, 0, 0, 1);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
- #[cfg_attr(stage0, rustc_const_unstable(feature = "const_ip"))]
pub const fn new(a: u8, b: u8, c: u8, d: u8) -> Ipv4Addr {
+ // FIXME: should just be u32::from_be_bytes([a, b, c, d]),
+ // once that method is no longer rustc_const_unstable
Ipv4Addr {
inner: c::in_addr {
s_addr: u32::to_be(
/// ```
#[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]
+ // This returns the order we want because s_addr is stored in big-endian.
+ self.inner.s_addr.to_ne_bytes()
}
/// Returns [`true`] for the special 'unspecified' address (0.0.0.0).
/// ```
#[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)
+ let octets = self.octets();
+ Ipv6Addr::from([
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ octets[0], octets[1], octets[2], octets[3],
+ ])
}
/// Converts this address to an IPv4-mapped [IPv6 address].
/// ```
#[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)
+ let octets = self.octets();
+ Ipv6Addr::from([
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0xFF, 0xFF,
+ octets[0], octets[1], octets[2], octets[3],
+ ])
}
}
#[stable(feature = "ip_u32", since = "1.1.0")]
impl From<Ipv4Addr> for u32 {
- /// Convert an `Ipv4Addr` into a host byte order `u32`.
+ /// Converts an `Ipv4Addr` into a host byte order `u32`.
///
/// # Examples
///
/// ```
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)
+ u32::from_be_bytes(ip)
}
}
#[stable(feature = "ip_u32", since = "1.1.0")]
impl From<u32> for Ipv4Addr {
- /// Convert a host byte order `u32` into an `Ipv4Addr`.
+ /// Converts a host byte order `u32` into an `Ipv4Addr`.
///
/// # Examples
///
/// 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)
+ Ipv4Addr::from(ip.to_be_bytes())
}
}
#[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.
+ /// Creates an `IpAddr::V4` from a four element byte array.
///
/// # Examples
///
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),
+ u16::from_be_bytes([arr[0], arr[1]]),
+ u16::from_be_bytes([arr[2], arr[3]]),
+ u16::from_be_bytes([arr[4], arr[5]]),
+ u16::from_be_bytes([arr[6], arr[7]]),
+ u16::from_be_bytes([arr[8], arr[9]]),
+ u16::from_be_bytes([arr[10], arr[11]]),
+ u16::from_be_bytes([arr[12], arr[13]]),
+ u16::from_be_bytes([arr[14], arr[15]]),
]
}
#[stable(feature = "i128", since = "1.26.0")]
impl From<Ipv6Addr> for u128 {
+ /// Convert an `Ipv6Addr` into a host byte order `u128`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use std::net::Ipv6Addr;
+ ///
+ /// let addr = Ipv6Addr::new(
+ /// 0x1020, 0x3040, 0x5060, 0x7080,
+ /// 0x90A0, 0xB0C0, 0xD0E0, 0xF00D,
+ /// );
+ /// assert_eq!(0x102030405060708090A0B0C0D0E0F00D_u128, u128::from(addr));
+ /// ```
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)
+ let ip = ip.octets();
+ u128::from_be_bytes(ip)
}
}
#[stable(feature = "i128", since = "1.26.0")]
impl From<u128> for Ipv6Addr {
+ /// Convert a host byte order `u128` into an `Ipv6Addr`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use std::net::Ipv6Addr;
+ ///
+ /// let addr = Ipv6Addr::from(0x102030405060708090A0B0C0D0E0F00D_u128);
+ /// assert_eq!(
+ /// Ipv6Addr::new(
+ /// 0x1020, 0x3040, 0x5060, 0x7080,
+ /// 0x90A0, 0xB0C0, 0xD0E0, 0xF00D,
+ /// ),
+ /// addr);
+ /// ```
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,
- )
+ Ipv6Addr::from(ip.to_be_bytes())
}
}
#[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.
+ /// Creates an `IpAddr::V6` from a sixteen element byte array.
///
/// # Examples
///
#[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.
+ /// Creates an `IpAddr::V6` from an eight element 16-bit array.
///
/// # Examples
///
projects / rustc.git / blobdiff