diff options
Diffstat (limited to 'Network/DNS/Lookup.hs')
| -rw-r--r-- | Network/DNS/Lookup.hs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Network/DNS/Lookup.hs b/Network/DNS/Lookup.hs index 728b0c6..b47c0d5 100644 --- a/Network/DNS/Lookup.hs +++ b/Network/DNS/Lookup.hs @@ -7,6 +7,7 @@ module Network.DNS.Lookup ( , lookupMX, lookupAviaMX, lookupAAAAviaMX , lookupTXT , lookupPTR + , lookupSRV ) where import Control.Applicative @@ -95,3 +96,15 @@ lookupPTR rlv dom = toPTR <$> DNS.lookup rlv dom PTR toPTR = maybe Nothing (Just . map unTag) unTag (RD_PTR dm) = dm unTag _ = error "lookupPTR" + +---------------------------------------------------------------- + +{-| + Resolving 'Domain' and its preference by 'SRV'. +-} +lookupSRV :: Resolver -> Domain -> IO (Maybe [(Int,Int,Int,Domain)]) +lookupSRV rlv dom = toSRV <$> DNS.lookup rlv dom SRV + where + toSRV = maybe Nothing (Just . map unTag) + unTag (RD_SRV pri wei prt dm) = (pri,wei,prt,dm) + unTag _ = error "lookupSRV" |