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module Hsbot.Utils
( addThreadIdToQuitMVar
, delThreadIdFromQuitMVar
, initTLSEnv
, sendStr
, setGlobalQuitMVar
) where
import Control.Concurrent
import Control.Monad.Reader
import qualified Data.ByteString.Lazy.UTF8 as L
import Data.List
import Network.TLS
import System.IO
import Hsbot.Types
-- utility functions
addThreadIdToQuitMVar :: ThreadId -> Env IO ()
addThreadIdToQuitMVar thrId = do
threadIdsMv <- asks envThreadIdsMv
liftIO $ modifyMVar_ threadIdsMv (\l -> return $ thrId:l)
delThreadIdFromQuitMVar :: ThreadId -> Env IO ()
delThreadIdFromQuitMVar thrId = do
threadIdsMv <- asks envThreadIdsMv
liftIO $ modifyMVar_ threadIdsMv (return . delete thrId)
setGlobalQuitMVar :: BotStatus -> Env IO ()
setGlobalQuitMVar status = do
quitMv <- asks envQuitMv
liftIO $ putMVar quitMv status
-- Helpers
sendStr :: Handle -> Maybe TLSCtx -> String -> IO ()
sendStr _ (Just ctx) msg = sendData ctx . L.fromString $ msg ++ "\r\n"
sendStr handle Nothing msg = hPutStrLn handle $ msg ++ "\r\n"
-- TLS utils
initTLSEnv :: TLSConfig -> IO TLSParams
initTLSEnv ssl = do
let versions = sslVersions ssl
ciphers = sslCiphers ssl
return $ defaultParams { pAllowedVersions = versions
, pCiphers = ciphers }
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