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look up additional neighbours if necessary

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for #44
This commit is contained in:
Trolli Schmittlauch 2020-06-24 01:19:53 +02:00
parent 111c1a299d
commit 25f44f3a45
1 changed files with 19 additions and 4 deletions
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15
src/Hash2Pub/FediChord.hs
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@ -217,6 +217,21 @@ stabiliseThread nsSTM = forever $ do
-- TODO: update successfully stabilised nodes in cache -- TODO: update successfully stabilised nodes in cache
-- try looking up additional neighbours if list too short -- try looking up additional neighbours if list too short
forM_ [(length $ predecessors updatedNs)..(kNeighbours updatedNs)] (\_ -> do
ns' <- readTVarIO nsSTM
nextEntry <- requestQueryID ns' $ pred . getNid $ atDef (toRemoteNodeState ns') (predecessors ns') (-1)
atomically $ do
latestNs <- readTVar nsSTM
writeTVar nsSTM $ addPredecessors [nextEntry] latestNs
)
--
forM_ [(length $ successors updatedNs)..(kNeighbours updatedNs)] (\_ -> do
ns' <- readTVarIO nsSTM
nextEntry <- requestQueryID ns' $ succ . getNid $ atDef (toRemoteNodeState ns') (successors ns') (-1)
atomically $ do
latestNs <- readTVar nsSTM
writeTVar nsSTM $ addSuccessors [nextEntry] latestNs
)
-- TODO: make delay configurable -- TODO: make delay configurable
threadDelay (60 * 1000) threadDelay (60 * 1000)