rust_rsm/net_ext/
mac_addr.rs

1#![allow(non_snake_case)]
2#![allow(non_upper_case_globals)]
3#![allow(non_camel_case_types)]
4
5use super::*;
6use std::fmt;
7use serde::{Serialize,Deserialize};
8#[repr(C)]
9#[derive(Copy, Clone, Eq, PartialEq, Default,Debug,Deserialize,Serialize,Hash)]
10pub struct mac_addr_t {
11    pub a: u8,
12    pub b: u8,
13    pub c: u8,
14    pub d: u8,
15    pub e: u8,
16    pub f: u8,
17}
18const MULTICAST_BIT: u8 = 0x01;
19impl fmt::Display for mac_addr_t {
20    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
21        write!(f,"{}",self.to_string())
22    }
23}
24impl mac_addr_t {
25    pub fn new(a: u8, b: u8, c: u8, d: u8, e: u8, f: u8) -> mac_addr_t {
26        return mac_addr_t { a, b, c, d, e, f };
27    }
28    pub fn new_broadcast() -> mac_addr_t {
29        return Self::new(0xff, 0xff, 0xff, 0xff, 0xff, 0xff);
30    }
31    pub fn zero() -> mac_addr_t {
32        return Self::new(0, 0, 0, 0, 0, 0);
33    }
34
35    pub fn from_array(addr:&[u8;MAC_ADDR_SIZE])->mac_addr_t {
36        return mac_addr_t {a:addr[0],b:addr[1],c:addr[2],d:addr[3],e:addr[4],f:addr[5]};
37    }
38    pub fn from_slice(addr:&[u8])->mac_addr_t {
39        if addr.len()<MAC_ADDR_SIZE {
40            return Self::new(0, 0, 0, 0, 0, 0);
41        }
42        return   mac_addr_t {a:addr[0],b:addr[1],c:addr[2],d:addr[3],e:addr[4],f:addr[5]};
43    }
44    pub fn is_zero(&self)->bool {
45        return self.to_u64()==0
46    }
47    pub fn from_u64(addr: u64) -> mac_addr_t {
48        let p = addr.to_be_bytes();
49
50        return Self::new(p[2], p[3], p[4], p[5], p[6], p[7]);
51    }
52
53    pub fn to_u64(&self) -> u64 {
54        let p: [u8; 8] = [0,0,self.a, self.b, self.c, self.d, self.e, self.f];
55            return u64::from_be_bytes(p)
56    }
57    pub fn to_slice(&self)->&[u8] {
58        let p = unsafe { &*(&self.a as *const u8 as *const [u8;MAC_ADDR_SIZE]) };
59        return p;
60    }
61    pub fn is_broadcast(&self) -> bool {
62        return *self == Self::new_broadcast();
63    }
64    pub fn is_multicast(&self) -> bool {
65        return self.a & MULTICAST_BIT == MULTICAST_BIT;
66    }
67
68    pub fn as_ptr(&self)->*const u8 {
69        std::ptr::addr_of!(self.a)
70    }
71
72    pub fn from_string(mac_str:&String)->Option<Self> {
73        let mac_a:Vec<&str>=mac_str.split(":").collect();
74        if mac_a.len()<6 {
75            return None
76        }
77
78        let mut abytes=[0u8;6];
79
80        for i in 0..6 {
81            abytes[i]=match u8::from_str_radix(mac_a[i], 16) {
82                Ok(v)=>v,
83                Err(_)=>0,
84            }
85        }
86
87        Some(Self::from_array(&abytes))
88    }
89    #[cfg(windows)]
90    pub fn to_string(&self)->String {
91        format!("{:02x}-{:02x}-{:02x}-{:02x}-{:02x}-{:02x}",self.a,self.b,self.c,self.d,self.e,self.f)
92    }
93    #[cfg(unix)]
94    pub fn to_string(&self)->String {
95        format!("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}",self.a,self.b,self.c,self.d,self.e,self.f)
96    }
97}
rust_rsm/net_ext/mac_addr.rs

rust_rsm/net_ext/
mac_addr.rs
