import iTasks
import mTask
import Data.List
+import Data.Error
+import Data.Tuple
+from Control.Monad import `b`
from Data.Func import $
from StdFunc import flip
derive class iTask MTaskShare
manageShares :: Task [MTaskDevice]
-manageShares = whileUnchanged deviceStore
- $ \devs->case devs of
- [] = viewInformation "No devices yet" [] []
- _ = allTasks (map manageSharesOnDevice devs)
+manageShares = viewInformation "" [] []//whileUnchanged deviceStoreNP
+// $ \devs->case devs of
+// [] = viewInformation "No devices yet" [] []
+// _ = allTasks (map manageSharesOnDevice devs)
manageSharesOnDevice :: MTaskDevice -> Task MTaskDevice
manageSharesOnDevice dev = (case dev.deviceShares of
) >>| treturn dev
updateShares :: MTaskDevice ([MTaskShare] -> [MTaskShare]) -> Task [MTaskShare]
-updateShares dev tfun = upd (map upFun) deviceStore
+updateShares dev tfun = upd (map upFun) (sdsFocus (Just (dev, -1)) deviceStore)
@ (\d->d.deviceShares) o fromJust o find ((==)dev)
where
upFun d = if (dev == d) ({d&deviceShares=tfun d.deviceShares}) d
//viewShare m = viewSharedInformation "" [] (getSDSShare m)
// <<@ Title ("SDS: " +++ toString m.identifier)
-makeShare :: String Int BCValue -> MTaskShare
-makeShare withTask identifier value = {MTaskShare
+makeShare :: String String Int BCValue -> MTaskShare
+makeShare withTask human identifier value = {MTaskShare
|withTask=[withTask]
,identifier=identifier
,value=value
+ ,humanName=human
}
-updateShareFromPublish :: MTaskDevice Int BCValue -> Task [MTaskShare]
-updateShareFromPublish dev ident val = updateShares dev $ map $ up ident val
- where
- up :: Int BCValue MTaskShare -> MTaskShare
- up i v s = if (s.identifier == i) {MTaskShare | s & value=val} s
-
import GenPrint, StdMisc, StdDebug, TTY
+
+gPrint{|BCState|} x st = gPrint{|*|} "BCState..." st
+
derive gPrint MTaskDevice, MTaskShare, Maybe, MTaskResource, MTaskTask, TaskId, TTYSettings, TCPSettings, DateTime
derive gPrint Parity, BaudRate, ByteSize
// up :: [String] MTaskShare -> MTaskShare
// up ns s = {MTaskShare | s & withTask=[t\\t<-s.withTask|not (isMember t ns)]}
+instance == MTaskShare where
+ (==) a b = a.identifier == b.identifier
+
getRealShare :: MTaskDevice MTaskShare -> Shared BCValue
-getRealShare dev {identifier} = SDSSource {SDSSource
- | name = "mTaskShareMap-" +++ toString identifier, read=rr, write=ww}
- where
- rr name iworld = case read deviceStore iworld of
- (Error e, iworld) = (Error e, iworld)
- (Ok devices, iworld) = case find ((==)dev) devices of
- Nothing = (Error $ exception "Device doesn't exist anymore", iworld)
- Just {deviceShares} = case find (\s->s.identifier == identifier) deviceShares of
- Nothing = (Error $ exception "Share doesn't exist", iworld)
- Just share = (Ok share.MTaskShare.value, iworld)
-
- // Also send messages
- ww name value iworld
- | not (trace_tn ("Update to: " +++ printToString value)) = undef
- = case modify (\r->((), map (modFun value) r)) deviceStore iworld of
- (Error e, iworld) = (Error e, iworld)
- (Ok _, iworld) = case sendMessagesIW [MTUpd identifier value] dev iworld of
- (Error e, iworld) = (Error e, iworld)
- (Ok _, iworld) = (Ok $ const True, iworld)
-
- //Selects the correct device
- modFun value d
- | d == dev = {d & deviceShares=map (modFun2 value) d.deviceShares}
- = d
-
- //Selects the correct share
- modFun2 value share
- | identifier == share.MTaskShare.identifier = {MTaskShare | share & value=value}
- = share
+getRealShare dev share = sdsFocus ()
+ $ mapReadWriteError (deviceLens dev share)
+ $ sdsFocus (Just (dev, share.identifier))
+ $ deviceStore
+
+//getRealShare :: MTaskDevice MTaskShare -> Shared BCValue
+//getRealShare dev share = sdsLens
+// ("realShare" +++ toString share.identifier)
+// (const $ Just (dev, share.identifier))
+// (SDSRead $ const $ \rs->case find ((==)dev) rs of
+// Nothing = Error $ exception "Device doesn't exist anymore"
+// Just {deviceShares} = case find ((==)share) deviceShares of
+// Nothing = Error $ exception "Share doesn't exist anymore"
+// Just share = Ok share.MTaskShare.value
+// )
+// (SDSWrite $ const $ \rs w->partition ((==)dev) devs of
+// ([], _) = Error $ exception "Device doesn't exist anymore"
+// ([_,_:_], _) = Error $ exception "Multiple matching devices"
+// ([d=:{deviceShares}], devs) = case partition ((==)share) deviceShares of
+// ([], _) = Error $ exception "Share doesn't exist anymore"
+// ([_,_:_], _) = Error $ exception "Multiple matching shares"
+// ([s], shares)
+// # s = {MTaskShare | s & value=val}
+// # d = {MTaskDevice | d & deviceShares=[s:shares]}
+// = Ok $ Just [d:devs])
+// (SDSNotify $ const $ \rs w
+
+deviceLens dev share = (mread, mwrite)
+where
+ mread :: [MTaskDevice] -> MaybeError TaskException BCValue
+ mread devs = mb2error (exception "Device lost") (find ((==)dev) devs)
+ `b` \d->mb2error (exception "Share lost") (find ((==)share) d.deviceShares)
+ `b` \s->Ok s.MTaskShare.value
+
+ mwrite :: BCValue [MTaskDevice] -> MaybeError TaskException (Maybe [MTaskDevice])
+ mwrite val devs = case partition ((==)dev) devs of
+ ([], _) = Error $ exception "Device doesn't exist anymore"
+ ([_,_:_], _) = Error $ exception "Multiple matching devices"
+ ([d=:{deviceShares}], devs) = case partition ((==)share) deviceShares of
+ ([], _) = Error $ exception "Share doesn't exist anymore"
+ ([_,_:_], _) = Error $ exception "Multiple matching shares"
+ ([s], shares)
+ # s = {MTaskShare | s & value=val}
+ # d = {MTaskDevice | d & deviceShares=[s:shares]}
+ = Ok $ Just [d:devs]
+
+updateShareFromPublish :: MTaskDevice Int BCValue -> Task BCValue
+updateShareFromPublish dev ident val = set val
+ $ mapReadWriteError (deviceLens dev dummy)
+ $ deviceStoreNP
+where
+ dummy = {MTaskShare|humanName="",value=BCValue 0,identifier=ident,withTask=[]}
repositories / mTask.git / blobdiff