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dns-util: Allow running lookup with a given resolver #1338

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Merged
merged 1 commit into from
Jan 21, 2021
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dns-util: Allow running lookup with a given resolver #1338

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6 changes: 5 additions & 1 deletion libs/dns-util/src/Wire/Network/DNS/Effect.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
module Wire.Network.DNS.Effect where

import Imports
import Network.DNS (Domain)
import Network.DNS (Domain, Resolver)
import qualified Network.DNS as DNS
import Polysemy
import Wire.Network.DNS.SRV
Expand All @@ -34,3 +34,7 @@ runDNSLookupDefault =
rs <- DNS.makeResolvSeed DNS.defaultResolvConf
DNS.withResolver rs $ \resolver ->
interpretResponse <$> DNS.lookupSRV resolver domain

runDNSLookupWithResolver :: Member (Embed IO) r => Resolver -> Sem (DNSLookup ': r) a -> Sem r a
runDNSLookupWithResolver resolver =
interpret $ \(LookupSRV domain) -> embed (interpretResponse <$> DNS.lookupSRV resolver domain)