Refine error message

This commit is contained in:
Mygod
2020-07-23 07:57:26 +08:00
parent 3fead73a12
commit 9deb89a6c7

View File

@@ -153,7 +153,9 @@ class Routing(private val caller: Any, private val downstream: String) : IpNeigh
* The only case when upstream is null is on API 23- and we are using system default rules.
*/
inner class Subrouting(priority: Int, val upstream: String? = null) {
val ifindex = if (upstream == null) 0 else if_nametoindex(upstream).also { check(it > 0) }
val ifindex = if (upstream == null) 0 else if_nametoindex(upstream).also {
if (it <= 0) throw IOException("Interface $upstream not found")
}
val transaction = RootSession.beginTransaction().safeguard {
if (upstream != null) ipRuleLookup(ifindex, priority)
@TargetApi(28) when (masqueradeMode) {