network-internet-protocol 0.1.2

A domain model of internet protocol version 4 and version 6 host addresses, masks, network addresses and packets and associated types.
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// This file is part of dpdk. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT. No part of dpdk, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2017 The developers of dpdk. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT.


/*
Generated using the logic:-

fn main()
{
    for prefix_length in 0 .. 33
    {
        let mut prefix: u32 = 0;
    
        for bit in ( (32 - prefix_length) .. 32)
        {
            prefix |= 1 << bit;
        }
        
        println!("\t/// `/{}`", prefix_length);
        println!("\t#[cfg(target_endian = \"big\")] _{} = 0x{:08X},", prefix_length, prefix);
        println!("\t#[cfg(target_endian = \"little\")] _{} = 0x{:08X},", prefix_length, prefix.to_be());
        println!("\t");
    }
}
*/

/// Mask bits for `/0` to `/32`.
///
/// Stored internally in network byte (big endian) byte order.
#[repr(u32)]
#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)]
#[derive(Serialize, Deserialize)]
pub enum InternetProtocolVersion4MaskBits
{
	/// `/0`
	#[cfg(target_endian = "big")] _0 = 0x00000000,
	/// `/0`
	#[cfg(target_endian = "little")] _0 = 0x00000000,
	
	/// `/1`
	#[cfg(target_endian = "big")] _1 = 0x80000000,
	/// `/1`
	#[cfg(target_endian = "little")] _1 = 0x00000080,
	
	/// `/2`
	#[cfg(target_endian = "big")] _2 = 0xC0000000,
	/// `/2`
	#[cfg(target_endian = "little")] _2 = 0x000000C0,
	
	/// `/3`
	#[cfg(target_endian = "big")] _3 = 0xE0000000,
	/// `/3`
	#[cfg(target_endian = "little")] _3 = 0x000000E0,
	
	/// `/4`
	#[cfg(target_endian = "big")] _4 = 0xF0000000,
	/// `/4`
	#[cfg(target_endian = "little")] _4 = 0x000000F0,
	
	/// `/5`
	#[cfg(target_endian = "big")] _5 = 0xF8000000,
	/// `/5`
	#[cfg(target_endian = "little")] _5 = 0x000000F8,
	
	/// `/6`
	#[cfg(target_endian = "big")] _6 = 0xFC000000,
	/// `/6`
	#[cfg(target_endian = "little")] _6 = 0x000000FC,
	
	/// `/7`
	#[cfg(target_endian = "big")] _7 = 0xFE000000,
	/// `/7`
	#[cfg(target_endian = "little")] _7 = 0x000000FE,
	
	/// `/8`
	#[cfg(target_endian = "big")] _8 = 0xFF000000,
	/// `/8`
	#[cfg(target_endian = "little")] _8 = 0x000000FF,
	
	/// `/9`
	#[cfg(target_endian = "big")] _9 = 0xFF800000,
	/// `/9`
	#[cfg(target_endian = "little")] _9 = 0x000080FF,
	
	/// `/10`
	#[cfg(target_endian = "big")] _10 = 0xFFC00000,
	/// `/10`
	#[cfg(target_endian = "little")] _10 = 0x0000C0FF,
	
	/// `/11`
	#[cfg(target_endian = "big")] _11 = 0xFFE00000,
	/// `/11`
	#[cfg(target_endian = "little")] _11 = 0x0000E0FF,
	
	/// `/12`
	#[cfg(target_endian = "big")] _12 = 0xFFF00000,
	/// `/12`
	#[cfg(target_endian = "little")] _12 = 0x0000F0FF,
	
	/// `/13`
	#[cfg(target_endian = "big")] _13 = 0xFFF80000,
	/// `/13`
	#[cfg(target_endian = "little")] _13 = 0x0000F8FF,
	
	/// `/14`
	#[cfg(target_endian = "big")] _14 = 0xFFFC0000,
	/// `/14`
	#[cfg(target_endian = "little")] _14 = 0x0000FCFF,
	
	/// `/15`
	#[cfg(target_endian = "big")] _15 = 0xFFFE0000,
	/// `/15`
	#[cfg(target_endian = "little")] _15 = 0x0000FEFF,
	
	/// `/16`
	#[cfg(target_endian = "big")] _16 = 0xFFFF0000,
	/// `/16`
	#[cfg(target_endian = "little")] _16 = 0x0000FFFF,
	
	/// `/17`
	#[cfg(target_endian = "big")] _17 = 0xFFFF8000,
	/// `/17`
	#[cfg(target_endian = "little")] _17 = 0x0080FFFF,
	
	/// `/18`
	#[cfg(target_endian = "big")] _18 = 0xFFFFC000,
	/// `/18`
	#[cfg(target_endian = "little")] _18 = 0x00C0FFFF,
	
	/// `/19`
	#[cfg(target_endian = "big")] _19 = 0xFFFFE000,
	/// `/19`
	#[cfg(target_endian = "little")] _19 = 0x00E0FFFF,
	
	/// `/20`
	#[cfg(target_endian = "big")] _20 = 0xFFFFF000,
	/// `/20`
	#[cfg(target_endian = "little")] _20 = 0x00F0FFFF,
	
	/// `/21`
	#[cfg(target_endian = "big")] _21 = 0xFFFFF800,
	/// `/21`
	#[cfg(target_endian = "little")] _21 = 0x00F8FFFF,
	
	/// `/22`
	#[cfg(target_endian = "big")] _22 = 0xFFFFFC00,
	/// `/22`
	#[cfg(target_endian = "little")] _22 = 0x00FCFFFF,
	
	/// `/23`
	#[cfg(target_endian = "big")] _23 = 0xFFFFFE00,
	/// `/23`
	#[cfg(target_endian = "little")] _23 = 0x00FEFFFF,
	
	/// `/24`
	#[cfg(target_endian = "big")] _24 = 0xFFFFFF00,
	/// `/24`
	#[cfg(target_endian = "little")] _24 = 0x00FFFFFF,
	
	/// `/25`
	#[cfg(target_endian = "big")] _25 = 0xFFFFFF80,
	/// `/25`
	#[cfg(target_endian = "little")] _25 = 0x80FFFFFF,
	
	/// `/26`
	#[cfg(target_endian = "big")] _26 = 0xFFFFFFC0,
	/// `/26`
	#[cfg(target_endian = "little")] _26 = 0xC0FFFFFF,
	
	/// `/27`
	#[cfg(target_endian = "big")] _27 = 0xFFFFFFE0,
	/// `/27`
	#[cfg(target_endian = "little")] _27 = 0xE0FFFFFF,
	
	/// `/28`
	#[cfg(target_endian = "big")] _28 = 0xFFFFFFF0,
	/// `/28`
	#[cfg(target_endian = "little")] _28 = 0xF0FFFFFF,
	
	/// `/29`
	#[cfg(target_endian = "big")] _29 = 0xFFFFFFF8,
	/// `/29`
	#[cfg(target_endian = "little")] _29 = 0xF8FFFFFF,
	
	/// `/30`
	#[cfg(target_endian = "big")] _30 = 0xFFFFFFFC,
	/// `/30`
	#[cfg(target_endian = "little")] _30 = 0xFCFFFFFF,
	
	/// `/31`
	#[cfg(target_endian = "big")] _31 = 0xFFFFFFFE,
	/// `/31`
	#[cfg(target_endian = "little")] _31 = 0xFEFFFFFF,
	
	/// `/32`
	#[cfg(target_endian = "big")] _32 = 0xFFFFFFFF,
	/// `/32`
	#[cfg(target_endian = "little")] _32 = 0xFFFFFFFF,
}

impl Display for InternetProtocolVersion4MaskBits
{
	#[inline(always)]
	fn fmt(&self, f: &mut Formatter) -> fmt::Result
	{
		use self::InternetProtocolVersion4MaskBits::*;
		
		let string = match *self
		{
			_0 => "0",
			_1 => "1",
			_2 => "2",
			_3 => "3",
			_4 => "4",
			_5 => "5",
			_6 => "6",
			_7 => "7",
			_8 => "8",
			_9 => "9",
			_10 => "10",
			_11 => "11",
			_12 => "12",
			_13 => "13",
			_14 => "14",
			_15 => "15",
			_16 => "16",
			_17 => "17",
			_18 => "18",
			_19 => "19",
			_20 => "20",
			_21 => "21",
			_22 => "22",
			_23 => "23",
			_24 => "24",
			_25 => "25",
			_26 => "26",
			_27 => "27",
			_28 => "28",
			_29 => "29",
			_30 => "30",
			_31 => "31",
			_32 => "32",
		};
		write!(f, "{}", string)
	}
}

impl InternetProtocolMaskBits for InternetProtocolVersion4MaskBits
{
	#[inline(always)]
	fn as_depth(self) -> u8
	{
		let mask_bits = self as u32;
		if cfg!(target_endian = "little")
		{
			mask_bits.count_ones() as u8
		}
		else
		{
			(!mask_bits).trailing_zeros() as u8
		}
	}
}