step by step - building the rule

bs/Bus.bs

@@ -10,12 +10,18 @@ import Arbiter
 clientRequest :: Arbiter.ArbiterClient_IFC -> Action
 clientRequest ifc = ifc.request
 
-mkBus :: Vector numClients (BusClient inFlightTransactions)
+busRequestToAddr :: BusRequest -> Addr
+busRequestToAddr req = case req of
+    BusReadRequest (ReadRequest addr _) -> addr
+    WriteReadRequest (WriteRequest addr _) -> addr
+
+mkBus :: (Addr -> Integer)
+      -> Vector numClients (BusClient inFlightTransactions)
       -> Vector numServers (BusServer inFlightTransactions numClients)
       -> Module Empty
-mkBus clientVec serverVec = do
-    tagEngineByClient :: Vector numClients (TagEngine inFlightTransactions)
-    tagEngineByClient <- replicateM mkTagEngine
+mkBus addrToServerTranslation clientVec serverVec = do
+    tagEngineByClientVec :: Vector numClients (TagEngine inFlightTransactions)
+    tagEngineByClientVec <- replicateM mkTagEngine
 
     arbiterByServer :: Vector numServers (Arbiter_IFC numClients)
     arbiterByServer <- replicateM (mkArbiter False)
@@ -23,7 +29,27 @@ mkBus clientVec serverVec = do
     addRules |>
         rules
             "placeholder rule": when True ==> do
-                let selectedArbiter = (select arbiterByServer 0)
-                mapM_ clientRequest selectedArbiter.clients
+                let selectedServerArbiter = (select arbiterByServer 0)
+                mapM_ clientRequest selectedServerArbiter.clients
+
+            "connect request client 0": when True ==> do
+                let 
+                    clientIdx :: Integer = 0
+                    selectedClient ::(BusClient inFlightTransactions)
+                    selectedClient = (select clientVec clientIdx)
+                    selectedTagEngine = (select tagEngineByClientVec clientIdx)
+
+                tag <- selectedTagEngine.requestTag
+
+                busRequest      :: BusRequest
+                busRequest      <- selectedClient.dequeueRequest tag
+
+                let
+                    addr = busRequestToAddr busRequest
+                    targetServerIdx  = addrToServerTranslation addr
+                    targetServer  = (select serverVec targetServerIdx)
+                
+                -- targetServer
+                action {}
 
     return $ interface Empty { }