socket9 0.1.0-alpha.1

Extended untilities for the networking/unix sockets and raw network sockets
Documentation 
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/*-
 * socket9 - A RAW networking sockets manipulation and configration basing on 
 * strong types.
 * 
 * Copyright (C) 2021 Aleksandr Morozov, Lucia Hoffmann
 * Copyright (C) 2025 Aleksandr Morozov
 * 
 * The syslog-rs crate can be redistributed and/or modified
 * under the terms of either of the following licenses:
 *
 *   1. EUROPEAN UNION PUBLIC LICENCE v. 1.2 EUPL © the European Union 2007, 2016 OR
 *
 *   2. the Mozilla Public License Version 2.0 (the “MPL”) OR
 *                     
 *   3. The MIT License (MIT)
 */

use std::ffi::c_int;
use std::fmt;
use std::{cmp::min, io, time::Duration};

use crate::{So9SockType, So9SockDomain};
use crate::{OptRMarker, OptWMarker, SockOptMarker};
use crate::
{
    SO_SNDTIMEO, SO_RCVTIMEO, SOL_SOCKET, SO_TYPE, SO_BROADCAST, SO_ERROR, SO_KEEPALIVE, SO_LINGER, 
    SO_RCVBUF, SO_RCVLOWAT, SO_REUSEADDR, SO_DONTROUTE, SO_SNDBUF, SO_SNDLOWAT, SO_ACCEPTCONN
};
use crate::{linger, timeval, time_t, suseconds_t};

use super::{SockOptMarker, OptRMarker};

#[repr(transparent)]
#[derive(Debug, Clone, Copy)]
pub struct SoLabel(c_int);

impl SockOptMarker for SoLabel 
{
    const SO_LEVEL: c_int = SOL_SOCKET;   
    const SO_OPTNAME: c_int = SO_LABEL;

    type DataType = i32;
    type InputType = c_int;

    #[inline]
    fn from(value: Self::InputType) -> Self 
    {
        return Self(value);
    }

    #[inline]
    fn get(self) -> Self::DataType
    {
        return self.0 as Self::DataType;
    }

    #[inline]
    fn from_user(flag: Self::DataType) -> Self where Self: Sized
    {
        compile_error!("https://github.com/lattera/freebsd/blob/401a161083850a9a4ce916f37520c084cff1543b/sys/sys/socket.h#L142");
        panic!("SoLabel cannot be written!");
    }
}

impl OptRMarker for SoLabel {}