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module Hsbot.Core
( connectServer
, disconnectServer
, emptyMsg
) where
import Control.Concurrent
import Control.Concurrent.Chan
import Control.Monad.State
import Data.List
import qualified Data.Map as M
import Network
import System.IO
import System.Time (getClockTime)
import Hsbot.IRCParser
import Hsbot.Types
import Hsbot.Utils
-- Connect to the server and return the initial bot state
connectServer :: IrcServer -> IO Bot
connectServer server = do
let name = address server
starttime <- getClockTime
putStr $ "Connecting to " ++ name ++ "... "
handle <- connectTo name $ port server
hSetBuffering handle NoBuffering
putStrLn "done."
putStr $ "Opening server communication channel... "
chan <- newChan :: IO (Chan BotMsg)
threadId <- forkIO $ botReader handle chan
putStrLn "done."
return (Bot server starttime handle [] M.empty chan threadId M.empty)
-- | Disconnect from the server
disconnectServer :: Bot -> IO () -- IO Bot ?
disconnectServer bot = do
killThread $ readerThreadId bot
mapM_ (killThread . pluginThreadId . snd) (M.toList $ botPlugins bot)
hClose $ botHandle bot
return ()
-- | Socket reading loop
botReader :: Handle -> Chan BotMsg -> IO ()
botReader handle chan = forever $ do
-- TODO : detect end of connection!
str <- hGetLine handle
let msg = parseIrcMsg str
case msg of
Right msg' -> do
trace $ inColor ("<-- " ++ (show msg')) [33]
writeChan chan (InputMsg msg')
_ -> do
return ()
emptyMsg :: IrcMsg
emptyMsg = IrcMsg Nothing "EMPTY" []
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