Copyright	(c) The University of Glasgow 2001
License	BSD-style (see the file libraries/network/LICENSE)
Maintainer	libraries@haskell.org
Stability	experimental
Portability	non-portable
Safe Haskell	None
Language	Haskell98

Network.BSD

Contents

Host names
- Low level functionality
Service names
- Low level functionality
Protocol names
- Low level functionality
Port numbers
Network names
- Low level functionality
Interface names

Description

The Network.BSD module defines Haskell bindings to network programming functionality provided by BSD Unix derivatives.

Synopsis

Host names

type HostName = String Source #

Either a host name e.g., "haskell.org" or a numeric host address string consisting of a dotted decimal IPv4 address or an IPv6 address e.g., "192.168.0.1".

getHostName :: IO HostName Source #

Calling getHostName returns the standard host name for the current processor, as set at boot time.

data HostEntry Source #

Constructors

HostEntry
Fields hostName :: HostName hostAliases :: [HostName] hostFamily :: Family hostAddresses :: [HostAddress]

Instances

Read HostEntry Source #
Methods readsPrec :: Int -> ReadS HostEntry # readList :: ReadS [HostEntry] # readPrec :: ReadPrec HostEntry # readListPrec :: ReadPrec [HostEntry] #
Show HostEntry Source #
Methods showsPrec :: Int -> HostEntry -> ShowS # show :: HostEntry -> String # showList :: [HostEntry] -> ShowS #
Storable HostEntry Source #
Methods sizeOf :: HostEntry -> Int # alignment :: HostEntry -> Int # peekElemOff :: Ptr HostEntry -> Int -> IO HostEntry # pokeElemOff :: Ptr HostEntry -> Int -> HostEntry -> IO () # peekByteOff :: Ptr b -> Int -> IO HostEntry # pokeByteOff :: Ptr b -> Int -> HostEntry -> IO () # peek :: Ptr HostEntry -> IO HostEntry # poke :: Ptr HostEntry -> HostEntry -> IO () #

getHostByName :: HostName -> IO HostEntry Source #

Resolve a HostName to IPv4 address.

getHostByAddr :: Family -> HostAddress -> IO HostEntry Source #

Get a HostEntry corresponding to the given address and family. Note that only IPv4 is currently supported.

hostAddress :: HostEntry -> HostAddress Source #

getHostEntries :: Bool -> IO [HostEntry] Source #

Low level functionality

setHostEntry :: Bool -> IO () Source #

getHostEntry :: IO HostEntry Source #

endHostEntry :: IO () Source #

Service names

data ServiceEntry Source #

Constructors

ServiceEntry
Fields serviceName :: ServiceName serviceAliases :: [ServiceName] servicePort :: PortNumber serviceProtocol :: ProtocolName

Instances

Show ServiceEntry Source #
Methods showsPrec :: Int -> ServiceEntry -> ShowS # show :: ServiceEntry -> String # showList :: [ServiceEntry] -> ShowS #
Storable ServiceEntry Source #
Methods sizeOf :: ServiceEntry -> Int # alignment :: ServiceEntry -> Int # peekElemOff :: Ptr ServiceEntry -> Int -> IO ServiceEntry # pokeElemOff :: Ptr ServiceEntry -> Int -> ServiceEntry -> IO () # peekByteOff :: Ptr b -> Int -> IO ServiceEntry # pokeByteOff :: Ptr b -> Int -> ServiceEntry -> IO () # peek :: Ptr ServiceEntry -> IO ServiceEntry # poke :: Ptr ServiceEntry -> ServiceEntry -> IO () #

type ServiceName = String Source #

getServiceByName :: ServiceName -> ProtocolName -> IO ServiceEntry Source #

Get service by name.

getServiceByPort :: PortNumber -> ProtocolName -> IO ServiceEntry Source #

Get the service given a PortNumber and ProtocolName.

getServicePortNumber :: ServiceName -> IO PortNumber Source #

Get the PortNumber corresponding to the ServiceName.

getServiceEntries :: Bool -> IO [ServiceEntry] Source #

Low level functionality

getServiceEntry :: IO ServiceEntry Source #

setServiceEntry :: Bool -> IO () Source #

endServiceEntry :: IO () Source #

Protocol names

type ProtocolName = String Source #

type ProtocolNumber = CInt Source #

data ProtocolEntry Source #

Constructors

ProtocolEntry
Fields protoName :: ProtocolName protoAliases :: [ProtocolName] protoNumber :: ProtocolNumber

Instances

Read ProtocolEntry Source #
Methods readsPrec :: Int -> ReadS ProtocolEntry # readList :: ReadS [ProtocolEntry] # readPrec :: ReadPrec ProtocolEntry # readListPrec :: ReadPrec [ProtocolEntry] #
Show ProtocolEntry Source #
Methods showsPrec :: Int -> ProtocolEntry -> ShowS # show :: ProtocolEntry -> String # showList :: [ProtocolEntry] -> ShowS #
Storable ProtocolEntry Source #
Methods sizeOf :: ProtocolEntry -> Int # alignment :: ProtocolEntry -> Int # peekElemOff :: Ptr ProtocolEntry -> Int -> IO ProtocolEntry # pokeElemOff :: Ptr ProtocolEntry -> Int -> ProtocolEntry -> IO () # peekByteOff :: Ptr b -> Int -> IO ProtocolEntry # pokeByteOff :: Ptr b -> Int -> ProtocolEntry -> IO () # peek :: Ptr ProtocolEntry -> IO ProtocolEntry # poke :: Ptr ProtocolEntry -> ProtocolEntry -> IO () #

getProtocolByName :: ProtocolName -> IO ProtocolEntry Source #

getProtocolByNumber :: ProtocolNumber -> IO ProtocolEntry Source #

getProtocolNumber :: ProtocolName -> IO ProtocolNumber Source #

defaultProtocol :: ProtocolNumber Source #

This is the default protocol for a given service.

getProtocolEntries :: Bool -> IO [ProtocolEntry] Source #

Low level functionality

setProtocolEntry :: Bool -> IO () Source #

getProtocolEntry :: IO ProtocolEntry Source #

endProtocolEntry :: IO () Source #

Port numbers

data PortNumber Source #

Use the Num instance (i.e. use a literal) to create a PortNumber value with the correct network-byte-ordering. You should not use the PortNum constructor. It will be removed in the next release.

>>> 1 :: PortNumber
1
>>> read "1" :: PortNumber
1

Instances

Enum PortNumber Source #
Methods succ :: PortNumber -> PortNumber # pred :: PortNumber -> PortNumber # toEnum :: Int -> PortNumber # fromEnum :: PortNumber -> Int # enumFrom :: PortNumber -> [PortNumber] # enumFromThen :: PortNumber -> PortNumber -> [PortNumber] # enumFromTo :: PortNumber -> PortNumber -> [PortNumber] # enumFromThenTo :: PortNumber -> PortNumber -> PortNumber -> [PortNumber] #
Eq PortNumber Source #
Methods (==) :: PortNumber -> PortNumber -> Bool # (/=) :: PortNumber -> PortNumber -> Bool #
Integral PortNumber Source #
Methods quot :: PortNumber -> PortNumber -> PortNumber # rem :: PortNumber -> PortNumber -> PortNumber # div :: PortNumber -> PortNumber -> PortNumber # mod :: PortNumber -> PortNumber -> PortNumber # quotRem :: PortNumber -> PortNumber -> (PortNumber, PortNumber) # divMod :: PortNumber -> PortNumber -> (PortNumber, PortNumber) # toInteger :: PortNumber -> Integer #
Num PortNumber Source #
Methods (+) :: PortNumber -> PortNumber -> PortNumber # (-) :: PortNumber -> PortNumber -> PortNumber # (*) :: PortNumber -> PortNumber -> PortNumber # negate :: PortNumber -> PortNumber # abs :: PortNumber -> PortNumber # signum :: PortNumber -> PortNumber # fromInteger :: Integer -> PortNumber #
Ord PortNumber Source #
Methods compare :: PortNumber -> PortNumber -> Ordering # (<) :: PortNumber -> PortNumber -> Bool # (<=) :: PortNumber -> PortNumber -> Bool # (>) :: PortNumber -> PortNumber -> Bool # (>=) :: PortNumber -> PortNumber -> Bool # max :: PortNumber -> PortNumber -> PortNumber # min :: PortNumber -> PortNumber -> PortNumber #
Read PortNumber Source #
Methods readsPrec :: Int -> ReadS PortNumber # readList :: ReadS [PortNumber] # readPrec :: ReadPrec PortNumber # readListPrec :: ReadPrec [PortNumber] #
Real PortNumber Source #
Methods toRational :: PortNumber -> Rational #
Show PortNumber Source #
Methods showsPrec :: Int -> PortNumber -> ShowS # show :: PortNumber -> String # showList :: [PortNumber] -> ShowS #
Storable PortNumber Source #
Methods sizeOf :: PortNumber -> Int # alignment :: PortNumber -> Int # peekElemOff :: Ptr PortNumber -> Int -> IO PortNumber # pokeElemOff :: Ptr PortNumber -> Int -> PortNumber -> IO () # peekByteOff :: Ptr b -> Int -> IO PortNumber # pokeByteOff :: Ptr b -> Int -> PortNumber -> IO () # peek :: Ptr PortNumber -> IO PortNumber # poke :: Ptr PortNumber -> PortNumber -> IO () #

Network names

type NetworkName = String Source #

type NetworkAddr = CULong Source #

data NetworkEntry Source #

Constructors

NetworkEntry
Fields networkName :: NetworkName networkAliases :: [NetworkName] networkFamily :: Family networkAddress :: NetworkAddr

Instances

Read NetworkEntry Source #
Methods readsPrec :: Int -> ReadS NetworkEntry # readList :: ReadS [NetworkEntry] # readPrec :: ReadPrec NetworkEntry # readListPrec :: ReadPrec [NetworkEntry] #
Show NetworkEntry Source #
Methods showsPrec :: Int -> NetworkEntry -> ShowS # show :: NetworkEntry -> String # showList :: [NetworkEntry] -> ShowS #
Storable NetworkEntry Source #
Methods sizeOf :: NetworkEntry -> Int # alignment :: NetworkEntry -> Int # peekElemOff :: Ptr NetworkEntry -> Int -> IO NetworkEntry # pokeElemOff :: Ptr NetworkEntry -> Int -> NetworkEntry -> IO () # peekByteOff :: Ptr b -> Int -> IO NetworkEntry # pokeByteOff :: Ptr b -> Int -> NetworkEntry -> IO () # peek :: Ptr NetworkEntry -> IO NetworkEntry # poke :: Ptr NetworkEntry -> NetworkEntry -> IO () #

getNetworkByName :: NetworkName -> IO NetworkEntry Source #

getNetworkByAddr :: NetworkAddr -> Family -> IO NetworkEntry Source #

getNetworkEntries :: Bool -> IO [NetworkEntry] Source #

Get the list of network entries.

Low level functionality

setNetworkEntry :: Bool -> IO () Source #

Open the network name database. The parameter specifies whether a connection is maintained open between various networkEntry calls

getNetworkEntry :: IO NetworkEntry Source #

endNetworkEntry :: IO () Source #

Close the connection to the network name database.

Interface names

ifNameToIndex :: String -> IO (Maybe Int) Source #