Commit 3309a0b256f35d4a5dcf630ccc3b4aae5813c8ec - ucspi-hs

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LICENSE less more

	1	Copyright (c) 2015, Getty Ritter
	2
	3	All rights reserved.
	4
	5	Redistribution and use in source and binary forms, with or without
	6	modification, are permitted provided that the following conditions are met:
	7
	8	* Redistributions of source code must retain the above copyright
	9	notice, this list of conditions and the following disclaimer.
	10
	11	* Redistributions in binary form must reproduce the above
	12	copyright notice, this list of conditions and the following
	13	disclaimer in the documentation and/or other materials provided
	14	with the distribution.
	15
	16	* Neither the name of Getty Ritter nor the names of other
	17	contributors may be used to endorse or promote products derived
	18	from this software without specific prior written permission.
	19
	20	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	21	"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	22	LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	23	A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	24	OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	25	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	26	LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	27	DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	28	THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	29	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	30	OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Network/UCSPI.hs less more

	1	module Network.UCSPI where
	2
	3	import Control.Arrow (first)
	4	import Data.List (stripPrefix)
	5	import System.IO (Handle, hPutStrLn, stderr)
	6	import System.Posix.IO (fdToHandle)
	7	import System.Posix.Types (Fd(..))
	8	import System.Environment (getEnvironment)
	9
	10	data UCSPIOptions = UCSPIOptions
	11	{ ucspiProtocol :: String
	12	, ucspiLocalVars :: [(String,String)]
	13	, ucspiRemoteVars :: [(String,String)]
	14	} deriving (Eq, Show)
	15
	16	gatherOptions :: [(String,String)] -> Maybe UCSPIOptions
	17	gatherOptions envs = do
	18	proto <- lookup "PROTO" envs
	19	let locals = [ (k, v) \| let pr = proto ++ "LOCAL"
	20	, (Just k, v) <- map (first (stripPrefix pr)) envs
	21	]
	22	let remotes = [ (k, v) \| let pr = proto ++ "REMOTE"
	23	, (Just k, v) <- map (first (stripPrefix pr)) envs
	24	]
	25	return $ UCSPIOptions
	26	{ ucspiProtocol = proto
	27	, ucspiLocalVars = locals
	28	, ucspiRemoteVars = remotes
	29	}
	30
	31
	32	ucspiClient :: (UCSPIOptions -> Handle -> Handle -> IO ()) -> IO ()
	33	ucspiClient client = do
	34	opts <- gatherOptions `fmap` getEnvironment
	35	case opts of
	36	Nothing -> hPutStrLn stderr "Non-conformant UCSPI client: no PROTO supplied"
	37	Just opts' -> do
	38	rdH <- fdToHandle (Fd 6)
	39	wrH <- fdToHandle (Fd 7)
	40	client opts' rdH wrH
	41
	42	ucspiServer :: (UCSPIOptions -> IO ()) -> IO ()
	43	ucspiServer server = do
	44	opts <- gatherOptions `fmap` getEnvironment
	45	case opts of
	46	Nothing -> hPutStrLn stderr "Non-conformant UCSPI server: no PROTO supplied"
	47	Just opts' -> server opts'

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Setup.hs less more

	1	import Distribution.Simple
	2	main = defaultMain

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ucspi-hs.cabal less more

	1	name: ucspi-hs
	2	version: 0.1.0.0
	3	synopsis: A small Haskell interface to writing @ucspi@-conformant applications
	4	-- description:
	5	license: BSD3
	6	license-file: LICENSE
	7	author: Getty Ritter
	8	maintainer: gettylefou@gmail.com
	9	copyright: © 2015 Getty Ritter
	10	category: Network
	11	build-type: Simple
	12	cabal-version: >=1.10
	13
	14	library
	15	exposed-modules: Network.UCSPI
	16	build-depends: base >=4.7 && <4.8, unix >=2.7 && <2.8
	17	default-language: Haskell2010