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33 lines
1017 B
Haskell
33 lines
1017 B
Haskell
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module Hasura.PingSources
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( runPingSources,
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)
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where
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import Control.Concurrent.Extended qualified as Conc
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import Hasura.Prelude
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import Hasura.RQL.Types.Backend (Backend (..))
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import Hasura.RQL.Types.Source (SourcePingCache, SourcePingInfo (..))
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import Hasura.SQL.AnyBackend qualified as AB
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-- | A forever running IO loop that performs regular pings for DBs that need it
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-- these are used to send a fingerprint to third parties that wish to attribute
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-- users to Hasura
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runPingSources ::
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(String -> IO ()) ->
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IO SourcePingCache ->
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IO a
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runPingSources pingLog fetchPingCacheIO =
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forever $ do
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pingCache <- liftIO fetchPingCacheIO
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for_ pingCache $ \someSourcePingInfo ->
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AB.dispatchAnyBackend @Backend
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someSourcePingInfo
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\(thisSourcePingInfo :: SourcePingInfo b) ->
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runPingSource @b
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pingLog
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(_spiName thisSourcePingInfo)
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(_spiConnection thisSourcePingInfo)
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-- Sleep the thread for a minute
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liftIO $ Conc.sleep $ seconds 60
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