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module Hsbot.Core
( hsbot
) where
import Control.Concurrent.Chan
import Control.Concurrent.MVar
import Control.Exception
import Control.Monad.State
import qualified Data.Map as M
import Data.Time
import Prelude hiding (catch)
import System.IO()
import Hsbot.Config
import Hsbot.Message
import Hsbot.Plugin
import Hsbot.Types
-- | Bot's main entry point
hsbot :: [BotConfig] -> IO ()
hsbot config = do
startTime <- getCurrentTime
putStrLn "[Hsbot] Opening communication channel... "
chan <- newChan :: IO (Chan BotMsg)
mvar <- newMVar M.empty :: IO (MVar BotResumeData)
putStrLn "[Hsbot] Spawning IrcBot plugins... "
botState <- execStateT spawnPlugins BotState { botStartTime = startTime
, botPlugins = M.empty
, botChan = chan
, botConfig = config
, botResumeData = mvar }
putStrLn "[Hsbot] Entering main loop... "
(status, botState') <- runLoop botState
putStrLn "[Hsbot] Killing active plugins... "
resumeData <- takeMVar mvar
evalStateT (mapM_ killPlugin $ M.keys resumeData) botState'
if status == BotReboot
then resumeHsbot resumeData
else return ()
where
runLoop :: BotState -> IO (BotStatus, BotState)
runLoop botState = do
(status, botState') <- (runStateT botCore botState) `catch` (\(_ :: IOException) -> return (BotExit, botState))
case status of
BotContinue -> runLoop botState'
_ -> return (status, botState')
resumeHsbot :: BotResumeData -> IO ()
resumeHsbot resumeData = do
print resumeData
-- | Run the bot main loop
botCore :: Bot (BotStatus)
botCore = do
chan <- gets botChan
msg <- liftIO $ readChan chan
case msg of
InMsg _ -> return BotContinue
OutMsg _ -> return BotContinue
IntMsg intMsg -> processInternalMessage $ IntMsg intMsg
UpdMsg updMsg -> processUpdateMessage updMsg
-- | Process an update command
processUpdateMessage :: ResumeMsg -> Bot (BotStatus)
processUpdateMessage msg = do
resumeData <- gets botResumeData
let from = resMsgFrom msg
stuff = resMsgData msg
liftIO $ modifyMVar_ resumeData (\oldData -> return $ M.insert from stuff oldData)
return BotContinue
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