miTask.icl

   1 module miTask
   2
   3 import StdDebug, StdMisc
   4 from StdFunc import flip
   5
   6 import iTasks
   7 import mTask
   8
   9 from Text import class Text(startsWith,concat,split,join), instance Text String
  10
  11 import qualified Data.Map as DM
  12
  13 from Data.Func import $
  14 import Data.Tuple
  15 import Data.List
  16 import System.Directory
  17
  18 import iTasks.UI.Definition
  19
  20 import iTasks._Framework.TaskState
  21 import iTasks._Framework.TaskServer
  22 import iTasks._Framework.IWorld
  23 import iTasks._Framework.Store
  24
  25
  26 import TTY
  27
  28 derive class iTask Queue, TTYSettings, Parity, BaudRate, ByteSize
  29 derive class iTask MTaskMSGRecv, MTaskMSGSend, SerTCP, UserLED
  30
  31 :: *Resource | TTYd !*TTY
  32 :: Channels :== ([MTaskMSGRecv], [MTaskMSGSend], Bool)
  33
  34 :: SerTCP = SerialDevice | TCPDevice
  35 :: MTaskDevice = {
  36                 deviceConnected :: Maybe String,
  37                 deviceName :: String,
  38                 deviceTasks :: [(String, Int)]
  39         }
  40 :: MTaskShare = {
  41                 identifier :: Int,
  42                 realShare :: String
  43         }
  44
  45 Start :: *World -> *World
  46 Start world = startEngine (mTaskManager
  47         >>* [OnAction (Action "Shutdown") (always $ shutDown)]) world
  48
  49 memoryShare :: String a -> Shared a | iTask a
  50 memoryShare s d = sdsFocus s $ memoryStore "" $ Just d
  51
  52 deviceStore :: Shared [MTaskDevice]
  53 deviceStore = memoryShare "mTaskDevices" []
  54
  55 sdsStore :: Shared [MTaskShare]
  56 sdsStore = memoryShare "mTaskShares" []
  57
  58 bcStateStore :: Shared BCState
  59 bcStateStore = memoryShare "mTaskBCState" zero
  60
  61 mTaskTaskStore :: Shared [String]
  62 mTaskTaskStore = memoryShare "mTaskTasks" ["ledder", "ledon", "ledoff"]
  63
  64 bc :: Main (ByteCode () Stmt)
  65 bc = sds \x=1 In sds \pinnetje=1 In {main =
  66                 IF (digitalRead D3) (
  67                         x =. x +. lit 1 :.
  68                         pub x
  69                 ) (
  70                         noOp
  71                 ) :.
  72                 IF (pinnetje ==. lit 1) (
  73                         ledOn LED1
  74                 ) (
  75                         IF (pinnetje ==. lit 2) (
  76                                 ledOn LED2
  77                         ) (
  78                                 ledOn LED3
  79                         )
  80                 )}
  81
  82 bc2 :: UserLED -> Main (ByteCode () Stmt)
  83 bc2 d = {main = ledOn d}
  84
  85 bc3 :: UserLED -> Main (ByteCode () Stmt)
  86 bc3 d = {main = ledOff d}
  87
  88 :: MTaskDeviceStatus = {connected :: Bool, name :: String, tasks :: [(String, Int)]}
  89 derive class iTask MTaskDeviceStatus, MTaskDevice, MTaskShare, BCState
  90
  91 mTaskManager :: Task ()
  92 mTaskManager = anyTask
  93                 [ viewmTasks @! ()
  94                 , viewShares
  95                 , whileUnchanged deviceStore viewDevices
  96                 ] <<@ ApplyLayout layout
  97         where
  98                 isValue (Value _ _) = True
  99                 isValue _                       = False
 100
 101                 viewmTasks = listmTasks
 102                         >&^ \sh->whileUnchanged sh $ \mi->case mi of
 103                                 Nothing = viewInformation "No task selected" [] ()
 104                                 Just mTaskTask = get deviceStore
 105                                         >>= \devices->case devices of
 106                                                 [] = viewInformation "No devices yet" [] ()
 107                                                 ds = sendmTask mTaskTask ds @! ()
 108                         where
 109                                 listmTasks :: Task String
 110                                 listmTasks = enterChoiceWithShared "Available mTasks" [ChooseFromList id] mTaskTaskStore
 111
 112                                 sendmTask mTaskId ds = enterChoice "Choose Device" [ChooseFromDropdown (\t->t.deviceName)] ds <<@ Title mTaskId
 113                                         >>* [OnAction (Action "Send") (withValue $ sendToDevice mTaskId)]
 114
 115                                 sendToDevice mTask device = Just $ viewInformation "" [] device
 116
 117
 118
 119                 layout = sequenceLayouts
 120                         [ arrangeWithSideBar 0 LeftSide 260 True
 121                         , arrangeSplit Vertical True
 122                         ]
 123
 124                 viewShares :: Task ()
 125                 viewShares = forever $
 126                                 enterChoiceWithShared "Shares" [ChooseFromList sdsvw] sdsShare
 127                         >>* [OnValue $ withValue $ Just o updateShare]
 128                         >>* [OnAction (Action "Back") (const $ Just $ treturn ())]
 129                         where
 130                                 sdsvw (k, v) = concat ["SDS ", toString k, ": ", toString v]
 131                                 updateShare (k, v) = (viewInformation "Key" [] k
 132                                         ||- updateInformation "Value" [] v)
 133
 134
 135                 viewDevices :: [MTaskDevice] -> Task ()
 136                 viewDevices ds = anyTask [
 137                                 addDevice deviceStore <<@ Title "Add new device" @! ():
 138                                         [viewDevice d <<@ Title d.deviceName\\d<-ds]]
 139                         <<@ ArrangeWithTabs @! ()
 140
 141                 viewDevice :: MTaskDevice -> Task ()
 142                 viewDevice d = (viewInformation "Device settings" [] d
 143                                 ||- (case d.deviceConnected of
 144                                         Just s = viewSharedInformation "Channels" [] (channels d.deviceName) @! ()
 145                                         Nothing = viewInformation "No channels yet" [] "" @! ()
 146                                 )) <<@ ArrangeHorizontal
 147
 148                 channels :: String -> Shared Channels
 149                 channels s = sdsFocus s $ memoryStore "" $ Just ([], [], False)
 150
 151                 sdsShare :: Shared [(Int, Int)]
 152                 sdsShare = sdsFocus "mTaskSDSs" $ memoryStore "" $ Just [(1, 1)]
 153
 154                 addDevice :: (Shared [MTaskDevice]) -> Task ()
 155                 addDevice devices = enterInformation "Device type and name" []
 156                         >>= \(name, ty)->get randomInt @ ((+++) name o toString)
 157                         >>= \realname->let ch = channels realname in case ty of
 158                                 TCPDevice = enterInformation "Hostname and port" []
 159                                         >>= \(host, port)->cont realname name ||- syncNetworkChannel host port ch
 160                                 SerialDevice = accWorld getDevices
 161                                         >>= \dl->(enterChoice "Device" [] dl -&&- updateInformation "Settings" [] zero)
 162                                         >>= \(device, settings)->cont realname name ||- syncSerialChannel device settings ch
 163                         where
 164                                 cont rn nm = (upd (\l->[dev rn nm:l]) devices >>| addDevice devices)
 165                                 dev rn nm = {deviceConnected=Just rn,deviceName=nm,deviceTasks=[]}
 166
 167                                 getDevices :: !*World -> *(![String], !*World)
 168                                 getDevices w = case readDirectory "/dev" w of
 169                                         (Error (errcode, errmsg), w) = abort errmsg
 170                                         (Ok entries, w) = (map ((+++) "/dev/") (filter isTTY entries), w)
 171
 172                                 isTTY s = not (isEmpty (filter (flip startsWith s) prefixes))
 173                                 prefixes = ["ttyS", "ttyACM", "ttyUSB", "tty.usbserial"]
 174
 175 //              connectDevice :: [MTaskDevice] -> Task ()
 176 //              connectDevice [] = treturn ()
 177 //              connectDevice [d:ds] = (case d.deviceConnected of
 178 //                      (Just sh) = viewSharedInformation "Buffers" [] sh @! ()
 179 //                      Nothing = viewInformation ("Connect " +++ d.deviceName) [] "" >>* [
 180 //                              OnAction (Action "connect") (const $ Just $ connect d)]
 181 //                      ) -|| connectDevice ds
 182
 183                 deviceviewer :: [MTaskDevice] -> [MTaskDeviceStatus]
 184                 deviceviewer ds = [{MTaskDeviceStatus | name = d.deviceName,
 185                         connected = if (isNothing d.deviceConnected) False True,
 186                         tasks = d.deviceTasks}\\d<-ds]
 187
 188 //              showTabbed :: [MTaskDevice] -> Task ()
 189 //              showTabbed [] = viewInformation "" [] "No devices yet" @! ()
 190 //              showTabbed [l:ls] = foldr (\e es->manageDevice e ||- es) (manageDevice l) ls
 191 //
 192 //              manageDevice :: MTaskDevice -> Task ()
 193 //              manageDevice md =
 194 //                              either viewTCP viewSer md.deviceSettings
 195 //                      ||- maybe
 196 //                              (treturn () >>* [OnAction (Action "Connect") (always shutDown)] @! ())
 197 //                              (\b->viewSharedInformation "Buffers" [] b @! ())
 198 //                              md.deviceConnected
 199 //                      <<@ ArrangeVertical
 200
 201                 mapPar :: (a -> Task a) [a] -> Task ()
 202                 mapPar f l = foldr1 (\x y->f x ||- y) l <<@ ArrangeWithTabs @! ()
 203                 allAtOnce t = foldr1 (||-) t @! ()
 204                 //allAtOnce = (flip (@!) ()) o foldr1 (||-)
 205
 206
 207 //mTaskTask :: Task ()
 208 //mTaskTask = let (msgs, sdsShares) = makeMsgs 1000 bc in
 209 //      withDevice \ch->
 210 //                      sendMsg msgs ch
 211 //              ||- processMessages ch messageShare sdsShares
 212 //              ||- forever (enterChoice "Choose led to enable" [] [LED1, LED2, LED3]
 213 //                              >>= \p->sendMsg (fst (makeMsgs 0 (bc2 p))) ch)
 214 //              ||- forever (enterChoice "Choose led to disable" [] [LED1, LED2, LED3]
 215 //                              >>= \p->sendMsg (fst (makeMsgs 0 (bc3 p))) ch)
 216 //              ||- viewSharedInformation "channels" [ViewAs lens] ch
 217 //              ||- viewSharedInformation "messages" [] messageShare
 218 //              ||- viewSh sdsShares ch
 219 //              >>* [OnAction ActionFinish (always shutDown)]
 220 //      where
 221 //              messageShare :: Shared [String]
 222 //              messageShare = sharedStore "mTaskMessagesRecv" []
 223 //
 224 //              processMessages ch msgs sdss = forever (watch ch
 225 //                      >>* [OnValue (ifValue (not o isEmpty o fst3) (process ch))])
 226 //                      where
 227 //                              process :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> Task ()
 228 //                              process ch (r,_,_) = upd (appFst3 (const [])) ch >>| process` r
 229 //                                      where
 230 //                                              process` = foldr (\r t->updateSDSs sdss msgs r >>| t) (return ())
 231 //
 232 //              makeMsgs :: Int (Main (ByteCode () Stmt)) -> ([MTaskMSGSend], [(Int, Shared Int)])
 233 //              makeMsgs timeout bc
 234 //              # (msgs, st) = toMessages timeout (toRealByteCode (unMain bc))
 235 //              = (msgs, map f st.sdss)
 236 //                      where
 237 //                              f (i,d) = (i, sharedStore ("mTaskSDS-" +++ toString i) (dd d))
 238 //                              dd [x,y] = toInt x*265 + toInt y
 239 //
 240 //              updateSDSs :: [(Int, Shared Int)] (Shared [String]) MTaskMSGRecv -> Task ()
 241 //              updateSDSs [(id, sh):xs] m n=:(MTPub i d)
 242 //              | id == i = set ((toInt d.[0])*265 + toInt d.[1]) sh @! ()
 243 //              = updateSDSs xs m n
 244 //              updateSDSs _ m mtm = case mtm of
 245 //                      MTMessage s = upd (\l->take 5 [s:l]) m @! ()
 246 //                      mta=:(MTTaskAck _) = upd (\l->take 5 [toString mta:l]) m @! ()
 247 //                      //TODO other recv msgs
 248 //                      _ = return ()
 249 //
 250 //              lens :: ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> ([String], [String])
 251 //              lens (r,s,_) = (map toString r, map toString s)
 252 //
 253 //              viewSh :: [(Int, Shared Int)] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
 254 //              viewSh [] ch = return ()
 255 //              viewSh [(i, sh):xs] ch
 256 //              # sharename = "SDS-" +++ toString i
 257 //              = (
 258 //                              viewSharedInformation ("SDS-" +++ toString i) [] sh ||-
 259 //                              forever (
 260 //                                      enterInformation sharename []
 261 //                                      >>* [OnAction ActionOk
 262 //                                                      (ifValue (\j->j>=1 && j <= 3)
 263 //                                                      (\c->set c sh
 264 //                                                              >>= \_->sendMsg (toSDSUpdate i c) ch
 265 //                                                              @! ()
 266 //                                                      )
 267 //                                              )]
 268 //                              )
 269 //                      ) ||- viewSh xs ch
 270
 271 sendMsg :: [MTaskMSGSend] (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
 272 sendMsg m ch = upd (\(r,s,ss)->(r,s ++ m,True)) ch @! ()
 273
 274 syncSerialChannel :: String TTYSettings (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) -> Task ()
 275 syncSerialChannel dev opts rw = Task eval
 276         where
 277                 eval event evalOpts tree=:(TCInit taskId ts) iworld=:{IWorld|world}
 278                 = case TTYopen dev opts world of
 279                         (False, _, world)
 280                         # (err, world) = TTYerror world
 281                         = (ExceptionResult (exception err), {iworld & world=world})
 282                         (True, tty, world)
 283                         # iworld = {iworld & world=world, resources=Just (TTYd tty)}
 284                         = case addBackgroundTask 42 (BackgroundTask (serialDeviceBackgroundTask rw)) iworld of
 285                                 (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
 286                                 (Ok _, iworld) = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=True} NoChange (TCBasic taskId ts JSONNull False), iworld)
 287
 288                 eval _ _ tree=:(TCBasic _ ts _ _) iworld
 289                 = (ValueResult NoValue {TaskEvalInfo|lastEvent=ts,removedTasks=[],refreshSensitive=False} NoChange tree, iworld)
 290
 291                 eval event evalOpts tree=:(TCDestroy _) iworld=:{IWorld|resources,world}
 292                 # (TTYd tty) = fromJust resources
 293                 # (ok, world) = TTYclose tty world
 294                 # iworld = {iworld & world=world,resources=Nothing}
 295                 = case removeBackgroundTask 42 iworld of
 296                         (Error e, iworld) = (ExceptionResult (exception "h"), iworld)
 297                         (Ok _, iworld) = (DestroyedResult, iworld)
 298
 299 serialDeviceBackgroundTask :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) !*IWorld -> (MaybeError TaskException (), *IWorld)
 300 serialDeviceBackgroundTask rw iworld
 301         = case read rw iworld of
 302                 (Error e, iworld) = (Error $ exception "share couldn't be read", iworld)
 303                 (Ok (r,s,ss), iworld)
 304                 # (Just (TTYd tty)) = iworld.resources
 305                 # tty = writet (map encode s) tty
 306                 # (ml, tty) = case TTYavailable tty of
 307                         (False, tty) = ([], tty)
 308                         (_, tty)
 309                         # (l, tty) = TTYreadline tty
 310                         = ([decode l], tty)
 311                 # iworld = {iworld & resources=Just (TTYd tty)}
 312                 = case write (r++ml,[],False) rw iworld of
 313                         (Error e, iworld) = (Error $ exception "share couldn't be written", iworld)
 314                         (Ok _, iworld) = case notify rw iworld of
 315                                 (Error e, iworld) = (Error $ exception "share couldn't be notified", iworld)
 316                                 (Ok _, iworld) = (Ok (), iworld)
 317         where
 318                 writet :: [String] -> (*TTY -> *TTY)
 319                 writet [] = id
 320                 writet [x:xs] = writet xs o TTYwrite x
 321
 322
 323 syncNetworkChannel :: String Int (Shared ([MTaskMSGRecv], [MTaskMSGSend], Bool)) -> Task ()
 324 syncNetworkChannel server port channel
 325         = tcpconnect server port channel {ConnectionHandlers|onConnect=onConnect,whileConnected=whileConnected,onDisconnect=onDisconnect} @! ()
 326         where
 327                 onConnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
 328                 onConnect _ (msgs,send,sendStopped)
 329                         = (Ok "", Just (msgs,[],sendStopped), map encode send, False)
 330
 331                 whileConnected :: (Maybe String) String ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
 332                 whileConnected Nothing acc (msgs,send,sendStopped)
 333                 = (Ok acc, Nothing, [], False)
 334
 335                 whileConnected (Just newData) acc (msgs,send,sendStopped)
 336                 | sendStopped = (Ok acc, Just (msgs ++ [decode newData],[],False), map encode send, False)
 337                 = (Ok acc, Just (msgs ++ [decode newData],[],False), [], False)
 338
 339                 onDisconnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool))
 340                 onDisconnect l (msgs,send,sendStopped) = (Ok l, Nothing)