network-types 0.2.0

Rust structs representing network-related types in Linux.
Documentation 
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use core::mem;

#[repr(C)]
#[derive(Debug, Copy, Clone)]
#[cfg_attr(feature = "wincode", derive(wincode::SchemaRead, wincode::SchemaWrite))]
#[cfg_attr(feature = "wincode", wincode(assert_zero_copy))]
pub struct SctpHdr {
    /// Source port in network byte order (big-endian)
    pub src: [u8; 2],

    /// Destination port in network byte order (big-endian)
    pub dst: [u8; 2],

    /// Verification tag
    pub verification_tag: [u8; 4],

    /// Checksum
    pub checksum: [u8; 4],
}

impl SctpHdr {
    /// The size of the Sctp header in bytes (12 bytes).
    pub const LEN: usize = mem::size_of::<SctpHdr>();
}

#[cfg(test)]
mod test {
    use super::SctpHdr;
    use core::mem;

    #[test]
    fn test_sctp_hdr_size() {
        // SctpHdr should be exactly 12 bytes
        assert_eq!(SctpHdr::LEN, 12);
        assert_eq!(SctpHdr::LEN, mem::size_of::<SctpHdr>());
    }
}