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Actually do negative caching on failed discovery lookups (fixes #2434)

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Jakob Borg 2015-11-06 17:12:06 +01:00
parent 07d53be9fc
commit 58523060f0
1 changed files with 6 additions and 0 deletions
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6
lib/discover/cache.go
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@ -109,6 +109,12 @@ func (m *CachingMux) Lookup(deviceID protocol.DeviceID) (direct []string, relays
when: time.Now(), when: time.Now(),
found: len(td)+len(tr) > 0, found: len(td)+len(tr) > 0,
}) })
} else {
// Lookup returned error, add a negative cache entry.
m.caches[i].Set(deviceID, CacheEntry{
when: time.Now(),
found: false,
})
} }
} }
m.mut.Unlock() m.mut.Unlock()