1 files changed, 36 insertions, 0 deletions
diff --git a/Hsbot/Irc/Plugin/Ping.hs b/Hsbot/Irc/Plugin/Ping.hs
new file mode 100644
index 0000000..6a38f0d
--- /dev/null
+++ b/Hsbot/Irc/Plugin/Ping.hs
@@ -0,0 +1,36 @@
+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 ()
+