Interface ambiugity: multiple routes is ok if they're to the same interface

jcaesar · jcaesar · commit 2d7dd171d833 · 2025-04-21T10:02:07.000+09:00
diff --git a/src/netlink/route.rs b/src/netlink/route.rs
@@ -151,9 +151,10 @@ impl Rtbl {
             self.0
                 .iter()
                 .filter(|route| route.pfx.matches(addr))
+                .map(|route| route.iface)
+                .unique()
                 .exactly_one()
-                .ok()?
-                .iface,
+                .ok()?,
         )
     }
     pub fn for_iface(&self, iface: u32) -> impl Iterator<Item = Prefix> + '_ {

Original file line number	Diff line number	Diff line change
`@@ -151,9 +151,10 @@ impl Rtbl {`
`151`	`151`	`self.0`
`152`	`152`	`.iter()`
`153`	`153`	`.filter(\|route\| route.pfx.matches(addr))`
	`154`	`+ .map(\|route\| route.iface)`
	`155`	`+ .unique()`
`154`	`156`	`.exactly_one()`
`155`		`- .ok()?`
`156`		`- .iface,`
	`157`	`+ .ok()?,`
`157`	`158`	`)`
`158`	`159`	`}`
`159`	`160`	`pub fn for_iface(&self, iface: u32) -> impl Iterator<Item = Prefix> + '_ {`