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module Hsbot.Irc.Plugin.Ping
( ircBotPluginPing
) where
import Control.Concurrent (myThreadId)
import Control.Concurrent.Chan
import Control.Exception
import Control.Monad.State
import Prelude hiding (catch)
import Hsbot.Irc.Message
import Hsbot.Irc.PluginCommons
-- | The plugin's main entry point
ircBotPluginPing :: Chan IrcBotMsg -> Chan IrcBotMsg -> IO ()
ircBotPluginPing myChan masterChan = do
threadId <- myThreadId
let plugin = IrcPluginState { ircPluginName = "Ping"
, ircPluginThreadId = threadId
, ircPluginChan = myChan
, ircPluginMasterChan = masterChan }
_ <- (execStateT run plugin) `catch` (\(_ :: AsyncException) -> return plugin)
return ()
-- | The IrcPlugin monad main function
run :: IrcPlugin ()
run = forever $ do
msg <- readMsg
eval msg
where
eval :: IrcBotMsg -> IrcPlugin ()
eval (InIrcMsg msg)
| (ircMsgCommand msg) == "PING" = writeMsg . OutIrcMsg $ IrcMsg Nothing "PONG" (ircMsgParameters msg)
| otherwise = return ()
eval _ = return ()
|