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function for updating CacheEntry timestamp and mark as verified

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Trolli Schmittlauch 2020-05-14 12:26:05 +02:00
parent f5d0777cc4
commit ff1e530a26
1 changed files with 11 additions and 0 deletions
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11
Hash2Pub/src/Hash2Pub/DHTProtocol.hs
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@ -196,3 +196,14 @@ deleteCacheEntry = Map.update modifier
modifier (ProxyEntry idPointer _) = Just (ProxyEntry idPointer Nothing) modifier (ProxyEntry idPointer _) = Just (ProxyEntry idPointer Nothing)
modifier NodeEntry {} = Nothing modifier NodeEntry {} = Nothing
-- | Mark a cache entry as verified after pinging it, possibly bumping its timestamp.
markCacheEntryAsVerified :: Maybe POSIXTime -- ^ the (current) timestamp to be
-- given to the entry, or Nothing
-> NodeID -- ^ which node to mark
-> NodeCache -- ^ current node cache
-> NodeCache -- ^ new NodeCache with the updated entry
markCacheEntryAsVerified timestamp = Map.adjust adjustFunc
where
adjustFunc (NodeEntry _ ns ts) = NodeEntry True ns $ fromMaybe ts timestamp
adjustFunc (ProxyEntry _ (Just entry)) = adjustFunc entry
adjustFunc entry = entry