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Be more careful about checking upstreams were removed

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This commit is contained in:
Mygod
2018-12-14 00:56:28 +08:00
parent c3cb26ce35
commit 366ae7dab6
1 changed files with 2 additions and 1 deletions
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3
mobile/src/main/java/be/mygod/vpnhotspot/net/Routing.kt
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@@ -90,7 +90,8 @@ class Routing(val downstream: String, ownerAddress: InterfaceAddress? = null) {
override fun onLost() = synchronized(this@Routing) {
val subrouting = subrouting ?: return
check(upstreams.remove(subrouting.upstream))
// we could be removing fallback subrouting which no collision could ever happen, check before removing
if (subrouting.upstream != null) check(upstreams.remove(subrouting.upstream))
subrouting.close()
TrafficRecorder.update() // record stats before removing rules to prevent stats losing
subrouting.revert()