code.octet-stream.net Git - netwatcher/blob - src/lib.rs

   1 use std::{
   2     collections::HashMap,
   3     net::{IpAddr, Ipv4Addr, Ipv6Addr},
   4 };
   5
   6 #[cfg_attr(windows, path = "list_win.rs")]
   7 #[cfg_attr(target_vendor = "apple", path = "list_mac.rs")]
   8 mod list;
   9
  10 #[cfg_attr(windows, path = "watch_win.rs")]
  11 #[cfg_attr(target_vendor = "apple", path = "watch_mac.rs")]
  12 mod watch;
  13
  14 mod util;
  15
  16 type IfIndex = u32;
  17
  18 #[derive(Debug, Clone, PartialEq, Eq)]
  19 pub struct Interface {
  20     pub index: u32,
  21     pub name: String,
  22     pub hw_addr: String,
  23     pub ips: Vec<IpAddr>,
  24 }
  25
  26 impl Interface {
  27     pub fn ipv4_ips(&self) -> impl Iterator<Item = &Ipv4Addr> {
  28         self.ips.iter().filter_map(|ip| match ip {
  29             IpAddr::V4(v4) => Some(v4),
  30             IpAddr::V6(_) => None,
  31         })
  32     }
  33
  34     pub fn ipv6_ips(&self) -> impl Iterator<Item = &Ipv6Addr> {
  35         self.ips.iter().filter_map(|ip| match ip {
  36             IpAddr::V4(_) => None,
  37             IpAddr::V6(v6) => Some(v6),
  38         })
  39     }
  40 }
  41
  42 #[derive(Debug, Clone, PartialEq, Eq)]
  43 pub struct Update {
  44     pub interfaces: HashMap<IfIndex, Interface>,
  45     pub diff: UpdateDiff,
  46 }
  47
  48 impl Update {
  49     pub fn diff_from_previous(_prev: &Update) -> UpdateDiff {
  50         // TODO: real calculation
  51         UpdateDiff::default()
  52     }
  53 }
  54
  55 #[derive(Debug, Clone, PartialEq, Eq, Default)]
  56 pub struct UpdateDiff {
  57     pub added: Vec<IfIndex>,
  58     pub removed: Vec<IfIndex>,
  59     pub modified: HashMap<IfIndex, InterfaceDiff>,
  60 }
  61
  62 #[derive(Debug, Clone, PartialEq, Eq, Default)]
  63 pub struct InterfaceDiff {
  64     pub hw_addr_changed: bool,
  65     pub addrs_added: Vec<IpAddr>,
  66     pub addrs_removed: Vec<IpAddr>,
  67 }
  68
  69 #[derive(Debug, Clone, PartialEq, Eq)]
  70 pub enum Error {
  71     // TODO: handle all cases with proper sources
  72     Internal,
  73 }
  74
  75 pub use list::list_interfaces;
  76 pub use watch::{watch_interfaces, WatchHandle};
  77