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GHC 9.14.1 · lts/ghc-9.14.x · d82dee8 · 2026-10-12

Moduleouroboros-network-1.2.0.0

Ouroboros.Network.PeerSelection.RootPeersDNS

13 types
16 values

Packageouroboros-network-1.2.0.0
Exports29
LicenceApache-2.0

valueconstantResource :: Applicative m => a -> Resource m a

valuedispatchLookupWithTTL

:: MonadAsync m
=> DNSLookupType
-> resolver -> resolvConf -> Domain -> TYPE -> m (Maybe (Either DNSError DNSMessage))
-> Tracer m DNSTrace
-> IP -> PortNumber -> peerAddr
-> DNSPeersKind
-> RelayAccessPoint
-> resolvConf
-> resolver
-> StdGen
-> m (DNSLookupResult peerAddr)

valueioDNSActions

:: Tracer IO DNSTrace
-> DNSLookupType
-> IP -> PortNumber -> peerAddr
-> DNSActions peerAddr Resolver IO

valuemaxTTL :: TTL

valueminTTL :: TTL

valuemkClippedTTL :: Real ttl => ttl -> TTL

valueretryResource

:: MonadDelay m
=> Tracer m e
-> NonEmpty DiffTime
-> Resource m (Either e a)
-> Resource m a

valuenewDNSLocalRootSemaphore :: MonadSTM m => STM m (DNSSemaphore m)

valuenewLedgerAndPublicRootDNSSemaphore :: MonadSTM m => m (DNSSemaphore m)

valuewithDNSSemaphore

:: (MonadSTM m, MonadThrow m)
=> DNSSemaphore m
-> m a
-> m a

valueresolveLedgerPeers

:: (Ord peerAddr, MonadThrow m, MonadAsync m)
=> DNSSemaphore m
-> ResolvConf
-> DNSActions peerAddr resolver m
-> SingLedgerPeersKind k
-> [RelayAccessPoint]
-> StdGen
-> m (Map Domain (Set peerAddr))

valuelocalRootPeersProvider

:: (Alternative (STM m), MonadAsync m, MonadDelay m, MonadThrow m, Ord peerAddr, Eq extraFlags)
=> Tracer m (TraceLocalRootPeers extraFlags peerAddr)
-> PeerActionsDNS peerAddr resolver m
-> ResolvConf
-> StdGen
-> STM m [(HotValency, WarmValency, Map RelayAccessPoint (LocalRootConfig extraFlags))]
-> StrictTVar m [(HotValency, WarmValency, Map peerAddr (LocalRootConfig extraFlags))]
-> m Void

valuettlForDnsError :: DiffTime -> DNSError -> DiffTime

valuettlForResults :: [TTL] -> TTL

valuepublicRootPeersProvider

:: (MonadThrow m, MonadAsync m, Ord peerAddr)
=> Tracer m TracePublicRootPeers
-> IP -> PortNumber -> peerAddr
-> DNSSemaphore m
-> ResolvConf
-> STM m (Map RelayAccessPoint PeerAdvertise)
-> DNSActions peerAddr resolver m
-> StdGen
-> (Int -> m (Map peerAddr PeerAdvertise, TTL)) -> m a
-> m a

datadata DNSActions peerAddr resolver (m :: Type -> Type)

Constructors

DNSActions
- dnsResolverResource :: ResolvConf -> m (Resource m (Either DNSorIOError resolver))
- dnsAsyncResolverResource :: ResolvConf -> m (Resource m (Either DNSorIOError resolver))
- dnsLookupWithTTL :: DNSPeersKind -> RelayAccessPoint -> ResolvConf -> resolver -> StdGen -> m (DNSLookupResult peerAddr)

typetype DNSLookupResult peerAddr = Either [DNSError] [(peerAddr, TTL)]

datadata DNSLookupType

LookupReqAOnly LookupReqAAAAOnly LookupReqAAndAAAA

Instances1Show

Show DNSLookupTypeDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions

datadata DNSPeersKind

Constructors

Instances1Show

Show DNSPeersKindDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions

datadata DNSTrace

Constructors

DNSLookupResult DNSPeersKind Domain (Maybe Domain) [(IP, PortNumber, TTL)]
DNSLookupError DNSPeersKind (Maybe DNSLookupType) Domain DNSError
SRVLookupResult DNSPeersKind Domain [(Domain, Word16, Word16, Word16, TTL)]
SRVLookupError DNSPeersKind Domain

Instances1Show

Show DNSTraceDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions

datadata DNSorIOError

Constructors

DNSError !DNSError
IOError !IOError

Instances2Show, Exception

Show DNSorIOErrorDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions
Exception DNSorIOErrorDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions

datadata PeerActionsDNS peeraddr resolver (m :: Type -> Type)

Constructors

PeerActionsDNS
- paToPeerAddr :: IP -> PortNumber -> peeraddr
- paDnsActions :: DNSActions peeraddr resolver m

newtypenewtype Resource (m :: Type -> Type) a

Constructors

Resource
- withResource :: m (a, Resource m a)

Instances1Functor

Functor m => Functor (Resource m)Defined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions

newtypenewtype TTL

Instances3Eq, Ord, Show

Eq TTLDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions
Ord TTLDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions
Show TTLDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.DNSActions

valuettlDiffTime :: TTL -> DiffTime

newtypenewtype DNSSemaphore (m :: Type -> Type)

datadata TraceLocalRootPeers extraFlags peerAddr

Constructors

TraceLocalRootDomains (Config extraFlags RelayAccessPoint)
TraceLocalRootWaiting RelayAccessPoint DiffTime
TraceLocalRootGroups (Config extraFlags peerAddr)
TraceLocalRootDNSMap (Map RelayAccessPoint [peerAddr])
TraceLocalRootReconfigured (Config extraFlags RelayAccessPoint) (Config extraFlags RelayAccessPoint)
TraceLocalRootFailure RelayAccessPoint DNSorIOError
TraceLocalRootError Domain SomeException

Instances1Show

(Show extraFlags, Show peerAddr) => Show (TraceLocalRootPeers extraFlags peerAddr)Defined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.LocalRootPeers

datadata TracePublicRootPeers

Constructors

Instances1Show

Show TracePublicRootPeersDefined in ouroboros-network-1.2.0.0 · Ouroboros.Network.PeerSelection.RootPeersDNS.PublicRootPeers

typetype SRVPrefix = Domain