module Control.Distributed.Raketka.NewServerInfo where
import Data.Tagged
import Control.Distributed.Process
hiding (Message, mask, finally, handleMessage)
import Control.Monad
import Text.Printf
import Control.Concurrent.STM
import Control.Distributed.Raketka.Type.Server
import Control.Distributed.Raketka.Type.Message
import Control.Distributed.Raketka.Process.Send
newServerInfo::Content c =>
Tagged c Server
-> Ping
-> ProcessId
-> Process ()
newServerInfo s1@(Tagged server0@Server{..}) ping0 pid0 = do
liftIO $ printf "%s received %s from %s\n" (show spid) (show ping0) (show pid0)
join $ liftIO $ atomically $ do
old_pids1 <- readTVar servers
writeTVar servers (pid0 : filter (/= pid0) old_pids1)
when (ping0 == Ping) $ sendRemote s1 pid0 $ Info Pong spid
return (when (pid0 `notElem` old_pids1) $ void $ monitor pid0)