X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=Utils%2FSDS.icl;h=e23e767e5bc3caa4e74522b94ce77f129e8cec07;hb=6badd886c4b09ac1805a005e525447a7e910ea56;hp=a7c376341a23dbf844bd764dddc323cc9742ccac;hpb=684c702b39ebd339cb123a24f1f37a63d708e688;p=mTask.git diff --git a/Utils/SDS.icl b/Utils/SDS.icl index a7c3763..e23e767 100644 --- a/Utils/SDS.icl +++ b/Utils/SDS.icl @@ -5,32 +5,66 @@ import iTasks._Framework.Store import Devices.mTaskDevice import Shares.mTaskShare import Tasks.Examples +import Data.List import qualified Data.Map as DM from Data.Func import $ import Data.Tuple +import StdDebug + memoryShare :: String a -> Shared a | iTask a memoryShare s d = sdsFocus s $ memoryStore s $ Just d deviceStoreNP :: Shared [MTaskDevice] deviceStoreNP = sdsFocus Nothing $ deviceStore -deviceStore :: RWShared (Maybe Int) [MTaskDevice] [MTaskDevice] +import GenPrint, TTY +derive gPrint MTaskDevice, Maybe, MTaskShare, MTaskResource, TaskId, MTaskTask, (,), TTYSettings, TCPSettings, DateTime, Parity, BaudRate, ByteSize, MaybeError, () +gPrint{|Dynamic|} _ st = gPrint{|*|} "**Dynamic**" st + +deviceStore :: RWShared (Maybe (MTaskDevice, Int)) [MTaskDevice] [MTaskDevice] deviceStore = SDSSource {SDSSource | name = "deviceStore" - , read = \_->read realDeviceStore - , write= \p w->appFst ((<$) (lens p)) o write w realDeviceStore - } + , read = realRead + , write= realWrite + } +where + realRead :: (Maybe (MTaskDevice,Int)) *IWorld -> (MaybeError TaskException [MTaskDevice], *IWorld) + realRead p iw = read realDeviceStore iw -lens Nothing _ = True -lens _ Nothing = True -lens (Just p) (Just p`) = p` == -1 || p == p` + realWrite :: (Maybe (MTaskDevice,Int)) [MTaskDevice] *IWorld -> (MaybeError TaskException (SDSNotifyPred (Maybe (MTaskDevice,Int))), *IWorld) + realWrite mi w iw + | not (trace_tn $ "write called with: " +++ printToString mi +++ " w " +++ printToString w) = undef + # (merr, iw) = write w realDeviceStore iw + | not (trace_tn $ "written to real store: " +++ printToString merr) = undef + | isError merr || isNothing mi = (merr $> notifyPred mi, iw) + # (Just (dev, ident)) = mi + | ident == -1 = (merr $> notifyPred mi, iw) + = case find ((==)dev) w of + Nothing = (Error $ exception "Device doesn't exist anymore", iw) + Just {deviceShares} = case find (\d->d.identifier == ident) deviceShares of + Nothing = (Error $ exception $ "deviceStore: Share doesn't exist: " +++ toString ident, iw) + Just s + | not $ trace_tn "Really sending a message from a share update" = undef + = case sendMessagesIW [MTUpd ident s.MTaskShare.value] dev iw of + (Error e, iw) = (Error e, iw) + (Ok _, iw) = (Ok $ notifyPred mi, iw) + + notifyPred :: (Maybe (MTaskDevice, Int)) (Maybe (MTaskDevice, Int)) -> Bool + // Global watcher looking at a global event + notifyPred Nothing Nothing = True + // Global watcher looking at a local event + notifyPred Nothing (Just _) = False + // Local watcher looking at a global event + notifyPred (Just _) Nothing = False + // Local device watcher looking at a local event + notifyPred (Just (d1, -1)) (Just (d2, _)) = d1 == d2 + // Local share watcher looking at a local share event + notifyPred (Just (d1, i1)) (Just (d2, i2)) = d1 == d2 && i1 == i2 realDeviceStore :: Shared [MTaskDevice] realDeviceStore = sharedStore "mTaskDevices" [] - -bcStateStore :: Shared BCState -bcStateStore = memoryShare "mTaskBCState" zero +//realDeviceStore = memoryShare "mTaskDevices" [] mTaskTaskStore :: Shared [String] mTaskTaskStore = memoryShare "mTaskTasks" $ 'DM'.keys allmTasks