Basic listing of interfaces on Windows

[netwatcher] / src / lib.rs

diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644 (file)
index 0000000..af5b7af
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,71 @@
+use std::{
+    collections::HashMap,
+    net::{IpAddr, Ipv4Addr, Ipv6Addr},
+};
+
+#[cfg_attr(windows, path = "imp_win.rs")]
+mod imp;
+
+type IfIndex = u32;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Interface {
+    pub index: u32,
+    pub name: String,
+    pub hw_addr: String,
+    pub ips: Vec<IpAddr>,
+}
+
+impl Interface {
+    pub fn ipv4_ips(&self) -> impl Iterator<Item = &Ipv4Addr> {
+        self.ips.iter().filter_map(|ip| match ip {
+            IpAddr::V4(v4) => Some(v4),
+            IpAddr::V6(_) => None,
+        })
+    }
+
+    pub fn ipv6_ips(&self) -> impl Iterator<Item = &Ipv6Addr> {
+        self.ips.iter().filter_map(|ip| match ip {
+            IpAddr::V4(_) => None,
+            IpAddr::V6(v6) => Some(v6),
+        })
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Update {
+    pub interfaces: HashMap<IfIndex, Interface>,
+    pub diff: UpdateDiff,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct UpdateDiff {
+    pub added: Vec<IfIndex>,
+    pub removed: Vec<IfIndex>,
+    pub modified: HashMap<IfIndex, InterfaceDiff>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct InterfaceDiff {
+    pub hw_addr_changed: bool,
+    pub addrs_added: Vec<IpAddr>,
+    pub addrs_removed: Vec<IpAddr>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum Error {
+    Internal,
+}
+
+pub fn list_interfaces() -> Result<HashMap<IfIndex, Interface>, Error> {
+    imp::list_interfaces()
+}
+
+pub struct WatchHandle;
+
+pub fn watch_interfaces<F: FnMut(Update)>(callback: F) -> WatchHandle {
+    // stop current worker thread
+    // post this into a thread that will use it
+    drop(callback);
+    WatchHandle
+}