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{-# LANGUAGE CPP #-}
{-# LANGUAGE PartialTypeSignatures #-}
module ToxChat
( module Chat
, module ToxChat
) where
import Control.Concurrent.STM
import Control.Monad
import Data.Char
import Data.Dependent.Sum
import Data.Function
import qualified Data.Map as Map
;import Data.Map (Map)
import Data.Maybe
import qualified Data.Text as T
;import Data.Text (Text)
import Debug.Trace
#ifdef THREAD_DEBUG
import Control.Concurrent.Lifted.Instrument
#else
import Control.Concurrent.Lifted
import GHC.Conc (labelThread)
#endif
import Chat
import Data.Tox.Msg
import DebugTag
import DPut
import MUC
import Network.Tox.AggregateSession
forkUntilSignaled :: String -> STM (IO ()) -> IO (IO ())
forkUntilSignaled lbl action = do
quitSignal <- newTVarIO False
t <- forkIO $ do
fix $ \loop -> join $ atomically
$ orElse (do readTVar quitSignal >>= check
return $ return ())
(fmap (>> loop) $ action)
labelThread t lbl
return $ atomically (writeTVar quitSignal True)
data RoomData k = RoomData
{ room :: Maybe (Room k)
, pendingInvites :: [(AggregateSession,Int,Maybe Text,Invite)]
}
chatevents :: (Ord conkey, Show conkey) => TVar (Map Text (RoomData conkey)) -> STM (IO ())
chatevents rsvar = do
rs <- readTVar rsvar
if Map.null rs
then retry
else do
ios <- flip Map.traverseWithKey rs $ \rkey r -> do
ps <- maybe (return mempty) roomPending $ room r
trace ("roomPending " ++ show ps) $ return ()
case Map.toList ps of
(k,t):ts -> do
roomCommit (fromJust $ room r) k t
modifyTVar' rsvar
$ Map.adjust (\d -> d { pendingInvites = take 1 (pendingInvites d)})
rkey
return $ do
dput XJabber $ "toxchat-committed " ++ show (rkey,length ts,k,t)
case membershipEffect $ chatMessage t of
MembershipEffect Outside Inside -> do
forM_ (pendingInvites r) $ \(c,i,jid,inv) -> do
-- TODO b <- checkCompatible me them c
dput XJabber $ "Replying to invite " ++ show inv
dispatchMessage c (Just i)
$ Pkt INVITE_GROUPCHAT ==> inv { invite = AcceptedInvite }
_ -> return ()
_ -> retry
return $ foldl1 (>>) ios
data InviteCache m = InviteCache
{ rememberInvite :: AggregateSession -> Int {- session ID -} -> Maybe Text {- origin -} -> Invite -> m ()
, lookupInvite :: Text {- chatroom JID -} -> m (Maybe Invite)
}
forkToxChat :: MUC -> IO (IO (), InviteCache IO)
forkToxChat muc = do
(chan, rs) <- atomically $ do
c <- dupTChan (mucChan muc)
rs <- newTVar Map.empty -- TODO: This seems to redundantly duplicate MUC{mucRooms}.
return (c,rs)
quit <- forkUntilSignaled "toxchat" $ orElse (chatevents rs) $ do
e <- readTChan chan
case e of
MUCCreate room jid nick r -> modifyTVar' rs $
Map.alter (\d -> Just $ RoomData (Just r) (maybe [] pendingInvites d))
(T.toLower room)
return $ case e of
MUCCreate room jid nick _ ->
dput XJabber $ unwords $ map T.unpack
[ "MUCCreate", room, jid, nick ]
return $ (,) quit InviteCache
{ rememberInvite = \c i jid inv -> do
dput XJabber $ "remember invite " ++ show (T.pack $ show $ inviteChatID inv, i, jid )
atomically $ do
modifyTVar' rs $ Map.alter (\d -> Just $ RoomData (room =<< (d:: Maybe (RoomData _)))
( ((c,i,jid,inv) :) $ maybe [] pendingInvites d))
(T.pack $ map toLower $ show $ inviteChatID inv)
, lookupInvite = \_ -> return Nothing
}
|
