Rename Configurator to Aquarium
[aquarium] / src / test / scala / gr / grnet / aquarium / user / UserStateComputationsTest.scala
index 0254815..c602707 100644 (file)
@@ -1,15 +1,55 @@
+/*
+ * Copyright 2011-2012 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials
+ *      provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
+ */
+
 package gr.grnet.aquarium.user
 
-import org.junit.Test
-import gr.grnet.aquarium.Configurator
 import gr.grnet.aquarium.store.memory.MemStore
 import gr.grnet.aquarium.util.date.MutableDateCalc
 import gr.grnet.aquarium.logic.accounting.dsl._
-import java.util.Date
-import simulation.{ConcurrentVMLocalUIDGenerator, ClientServiceSim, UserSim}
 import gr.grnet.aquarium.logic.accounting.{Policy, Accounting}
 import gr.grnet.aquarium.util.{Loggable, ContextualLogger}
-import com.ckkloverdos.maybe.{Just, NoVal}
+import gr.grnet.aquarium.simulation._
+import gr.grnet.aquarium.uid.{UIDGenerator, ConcurrentVMLocalUIDGenerator}
+import com.ckkloverdos.maybe.{Maybe, Just}
+import org.junit.{Assert, Ignore, Test}
+import gr.grnet.aquarium.logic.accounting.algorithm.{ExecutableCostPolicyAlgorithm, CostPolicyAlgorithmCompiler}
+import gr.grnet.aquarium.{AquariumException}
+import gr.grnet.aquarium.Aquarium.{Instance ⇒ AquariumInstance}
+import gr.grnet.aquarium.computation.{UserState, BillingMonthInfo, UserStateComputations}
+import gr.grnet.aquarium.computation.reason.MonthlyBillingCalculation
+import org.apache.ivy.util.Configurator
 
 
 /**
@@ -17,17 +57,27 @@ import com.ckkloverdos.maybe.{Just, NoVal}
  * @author Christos KK Loverdos <loverdos@gmail.com>
  */
 class UserStateComputationsTest extends Loggable {
-  val PolicyYAML = """
+  final val DoubleDelta = 0.001
+
+  final val BandwidthPriceUnit = 3.3 //
+  final val VMTimePriceUnit    = 1.5 //
+  final val DiskspacePriceUnit = 2.7 //
+
+  final val OnOffPriceUnit = VMTimePriceUnit
+  final val ContinuousPriceUnit = DiskspacePriceUnit
+  final val DiscretePriceUnit = BandwidthPriceUnit
+
+  final val PolicyYAML = """
 aquariumpolicy:
   resources:
     - resource:
       name: bandwidth
-      unit: MB/hr
+      unit: MB/Hr
       complex: false
       costpolicy: discrete
     - resource:
       name: vmtime
-      unit: Hour
+      unit: Hr
       complex: true
       costpolicy: onoff
       descriminatorfield: vmid
@@ -44,18 +94,18 @@ aquariumpolicy:
   algorithms:
     - algorithm:
       name: default
-      bandwidth: $price times $volume
-      vmtime: $price times $volume
-      diskspace: $price times $volume
+      bandwidth: function bandwidth() {return 1;}
+      vmtime: function vmtime() {return 1;}
+      diskspace: function diskspace() {return 1;}
       effective:
         from: 0
 
   pricelists:
     - pricelist:
       name: default
-      bandwidth: 1.0
-      vmtime: 1.0
-      diskspace: 1.0
+      bandwidth: %s
+      vmtime: %s
+      diskspace: %s
       effective:
         from: 0
 
@@ -73,79 +123,332 @@ aquariumpolicy:
       algorithm: default
       pricelist: default
       creditplan: default
-  """
+  """.format(
+    BandwidthPriceUnit,
+    VMTimePriceUnit,
+    DiskspacePriceUnit
+  )
+
+  val Computations = new UserStateComputations
+
+  val DefaultPolicy = new DSL{} parse PolicyYAML
+  val DefaultAccounting = new Accounting{}
+  
+  val DefaultAlgorithm = new ExecutableCostPolicyAlgorithm {
+    def creditsForContinuous(timeDelta: Double, oldTotalAmount: Double) =
+      hrs(timeDelta) * oldTotalAmount * ContinuousPriceUnit
+
+    final val creditsForDiskspace = creditsForContinuous(_, _)
+    
+    def creditsForDiscrete(currentValue: Double) =
+      currentValue * DiscretePriceUnit
+
+    final val creditsForBandwidth = creditsForDiscrete(_)
+
+    def creditsForOnOff(timeDelta: Double) =
+      hrs(timeDelta) * OnOffPriceUnit
+
+    final val creditsForVMTime = creditsForOnOff(_)
+
+    @inline private[this]
+    def hrs(millis: Double) = millis / 1000 / 60 / 60
+
+    def apply(vars: Map[DSLCostPolicyVar, Any]): Double = {
+      vars.apply(DSLCostPolicyNameVar) match {
+        case DSLCostPolicyNames.continuous ⇒
+          val unitPrice = vars(DSLUnitPriceVar).asInstanceOf[Double]
+          val oldTotalAmount = vars(DSLOldTotalAmountVar).asInstanceOf[Double]
+          val timeDelta = vars(DSLTimeDeltaVar).asInstanceOf[Double]
+
+          Assert.assertEquals(ContinuousPriceUnit, unitPrice, DoubleDelta)
+
+          creditsForContinuous(timeDelta, oldTotalAmount)
+
+        case DSLCostPolicyNames.discrete ⇒
+          val unitPrice = vars(DSLUnitPriceVar).asInstanceOf[Double]
+          val currentValue = vars(DSLCurrentValueVar).asInstanceOf[Double]
+
+          Assert.assertEquals(DiscretePriceUnit, unitPrice, DoubleDelta)
+
+          creditsForDiscrete(currentValue)
+
+        case DSLCostPolicyNames.onoff ⇒
+          val unitPrice = vars(DSLUnitPriceVar).asInstanceOf[Double]
+          val timeDelta = vars(DSLTimeDeltaVar).asInstanceOf[Double]
+
+          Assert.assertEquals(OnOffPriceUnit, unitPrice, DoubleDelta)
+
+          creditsForOnOff(timeDelta)
+
+        case DSLCostPolicyNames.once ⇒
+          val currentValue = vars(DSLCurrentValueVar).asInstanceOf[Double]
+          currentValue
 
-  val DefaultPolicy = new DSL{}.parse(PolicyYAML)
+        case name ⇒
+          throw new AquariumException("Unknown cost policy %s".format(name))
+      }
+    }
+
+    override def toString = "DefaultAlgorithm(%s)".format(
+      Map(
+        DSLCostPolicyNames.continuous -> "hrs(timeDelta) * oldTotalAmount * %s".format(ContinuousPriceUnit),
+        DSLCostPolicyNames.discrete   -> "currentValue * %s".format(DiscretePriceUnit),
+        DSLCostPolicyNames.onoff      -> "hrs(timeDelta) * %s".format(OnOffPriceUnit),
+        DSLCostPolicyNames.once       -> "currentValue"))
+  }
+
+  val DefaultCompiler  = new CostPolicyAlgorithmCompiler {
+    def compile(definition: String): ExecutableCostPolicyAlgorithm = {
+      DefaultAlgorithm
+    }
+  }
+  //val DefaultAlgorithm = justForSure(DefaultCompiler.compile("")).get // hardcoded since we know exactly what this is
+
+  val VMTimeDSLResource = DefaultPolicy.findResource("vmtime").get
 
-  // TODO: integrate this with the rest of the simulation stuff
-  // TODO: since, right now, the resource strings have to be given twice
-  val VMTimeResource    = DSLComplexResource("vmtime",    "Hr",    OnOffCostPolicy,      "")
-  val DiskspaceResource = DSLComplexResource("diskspace", "MB/Hr", ContinuousCostPolicy, "")
-  val BandwidthResource = DSLComplexResource("bandwidth", "MB/Hr", DiscreteCostPolicy,   "")
-  val DefaultResourcesMap = new DSLResourcesMap(VMTimeResource :: DiskspaceResource :: BandwidthResource :: Nil)
+  // For this to work, the definitions must match those in the YAML above.
+  // Those StdXXXResourceSim are just for debugging convenience anyway, so they must match by design.
+  val VMTimeResourceSim    = StdVMTimeResourceSim.fromPolicy(DefaultPolicy)
+  val DiskspaceResourceSim = StdDiskspaceResourceSim.fromPolicy(DefaultPolicy)
+  val BandwidthResourceSim = StdBandwidthResourceSim.fromPolicy(DefaultPolicy)
 
   // There are two client services, synnefo and pithos.
-  val TheUIDGenerator = new ConcurrentVMLocalUIDGenerator
-  val Synnefo = ClientServiceSim("synnefo")(TheUIDGenerator)
-  val Pithos  = ClientServiceSim("pithos")(TheUIDGenerator)
+  val TheUIDGenerator: UIDGenerator[_] = new ConcurrentVMLocalUIDGenerator
+  val Synnefo = ClientSim("synnefo")(TheUIDGenerator)
+  val Pithos  = ClientSim("pithos" )(TheUIDGenerator)
+
+  val aquarium = AquariumInstance.withStoreProviderClass(classOf[MemStore])
+  Policy.withConfigurator(aquarium)
+  val StoreProvider = aquarium.storeProvider
+  val ResourceEventStore = StoreProvider.resourceEventStore
+
+  val StartOfBillingYearDateCalc = new MutableDateCalc(2012,  1, 1)
+  val UserCreationDate           = new MutableDateCalc(2011, 11, 1).toDate
+
+  val BillingMonthInfoJan = {
+    val MutableDateCalcJan = new MutableDateCalc(2012, 1, 1)
+    BillingMonthInfo.fromDateCalc(MutableDateCalcJan)
+  }
+  val BillingMonthInfoFeb = BillingMonthInfo.fromDateCalc(new MutableDateCalc(2012,  2, 1))
+  val BillingMonthInfoMar = BillingMonthInfo.fromDateCalc(new MutableDateCalc(2012,  3, 1))
+
+  // Store the default policy
+  val policyDateCalc        = StartOfBillingYearDateCalc.copy
+  val policyOccurredMillis  = policyDateCalc.toMillis
+  val policyValidFromMillis = policyDateCalc.copy.goPreviousYear.toMillis
+  val policyValidToMillis   = policyDateCalc.copy.goNextYear.toMillis
+  StoreProvider.policyStore.storePolicyEntry(DefaultPolicy.toPolicyEntry(policyOccurredMillis, policyValidFromMillis, policyValidToMillis))
+
+  val Aquarium = AquariumSim(List(VMTimeResourceSim, DiskspaceResourceSim, BandwidthResourceSim), StoreProvider.resourceEventStore)
+  val DefaultResourcesMap = Aquarium.resourcesMap
+
+  val UserCKKL  = Aquarium.newUser("CKKL", UserCreationDate)
 
+  val InitialUserState = UserState.createInitialUserState(
+    userID = UserCKKL.userId,
+    userCreationMillis = UserCreationDate.getTime,
+    isActive = true,
+    credits = 0.0,
+    roleNames = List("user"),
+    agreementName = DSLAgreement.DefaultAgreementName
+  )
+
+  // By convention
+  // - synnefo is for VMTime and Bandwidth
+  // - pithos is for Diskspace
+  val VMTimeInstanceSim    = VMTimeResourceSim.newInstance   ("VM.1",   UserCKKL, Synnefo)
+  val BandwidthInstanceSim = BandwidthResourceSim.newInstance("3G.1",   UserCKKL, Synnefo)
+  val DiskInstanceSim      = DiskspaceResourceSim.newInstance("DISK.1", UserCKKL, Pithos)
+
+  private[this]
+  def showUserState(clog: ContextualLogger, userState: UserState) {
+    val id = userState._id
+    val parentId = userState.parentUserStateId
+    val credits = userState.creditsSnapshot.creditAmount
+    val newWalletEntries = userState.newWalletEntries.map(_.toDebugString)
+    val changeReason = userState.lastChangeReason
+    val implicitlyIssued = userState.implicitlyIssuedSnapshot.implicitlyIssuedEvents.map(_.toDebugString())
+    val latestResourceEvents = userState.latestResourceEventsSnapshot.resourceEvents.map(_.toDebugString())
+
+    clog.debug("_id = %s", id)
+    clog.debug("parentId = %s", parentId)
+    clog.debug("credits = %s", credits)
+    clog.debug("changeReason = %s", changeReason)
+    clog.debugSeq("implicitlyIssued", implicitlyIssued, 0)
+    clog.debugSeq("latestResourceEvents", latestResourceEvents, 0)
+    clog.debugSeq("newWalletEntries", newWalletEntries, 0)
+  }
+
+  private[this]
+  def showResourceEvents(clog: ContextualLogger): Unit = {
+    clog.debug("")
+    clog.begin("Events by OccurredMillis")
+    clog.withIndent {
+      for(event <- UserCKKL.myResourceEventsByOccurredDate) {
+        clog.debug(event.toDebugString())
+      }
+    }
+    clog.end("Events by OccurredMillis")
+    clog.debug("")
+  }
+
+  private[this]
+  def doFullMonthlyBilling(clog: ContextualLogger, billingMonthInfo: BillingMonthInfo) = {
+    Computations.doFullMonthlyBilling(
+      UserCKKL.userId,
+      billingMonthInfo,
+      StoreProvider,
+      InitialUserState,
+      DefaultResourcesMap,
+      DefaultAccounting,
+      DefaultCompiler,
+      MonthlyBillingCalculation(billingMonthInfo),
+      Some(clog)
+    )
+  }
+  
+  private[this]
+  def justUserState(userStateM: Maybe[UserState]): UserState = {
+    userStateM match {
+      case Just(userState) ⇒ userState
+      case _ ⇒ throw new AquariumException("Unexpected %s".format(userStateM))
+    }
+  }
+  
+  private[this]
+  def expectCredits(clog: ContextualLogger,
+                    creditsConsumed: Double,
+                    userState: UserState,
+                    accuracy: Double = 0.001): Unit = {
+    val computed = userState.creditsSnapshot.creditAmount
+    Assert.assertEquals(-creditsConsumed, computed, accuracy)
+    clog.info("Consumed %.3f credits [accuracy = %f]", creditsConsumed, accuracy)
+  }
+
+  private[this]
+  def millis2hrs(millis: Long) = millis.toDouble / 1000 / 60 / 60
+
+  private[this]
+  def hrs2millis(hrs: Double) = (hrs * 60 * 60 * 1000).toLong
+
+  /**
+   * Test a sequence of ON, OFF vmtime events.
+   */
+  @Ignore
   @Test
-  def testOne: Unit = {
-    val clog = ContextualLogger.fromOther(NoVal, logger, "testOne()")
-    val StartOfBillingYearDateCalc = new MutableDateCalc(2012, 1, 1)
-//    println("StartOfBillingYearDateCalc = %s".format(StartOfBillingYearDateCalc))
-    val UserCreationDateCalc = StartOfBillingYearDateCalc.copy.goMinusMonths(2)
-//    println("UserCreationDateCalc = %s".format(UserCreationDateCalc))
+  def testFullOnOff: Unit = {
+    val clog = ContextualLogger.fromOther(None, logger, "testFullOnOff()")
+    clog.begin()
 
-    val computer = new UserStateComputations
+    ResourceEventStore.clearResourceEvents()
+    val OnOffDurationHrs = 10
+    val OnOffDurationMillis = hrs2millis(OnOffDurationHrs.toDouble)
 
-    val mc = Configurator.MasterConfigurator.withStoreProviderClass(classOf[MemStore])
-    Policy.withConfigurator(mc)
+    VMTimeInstanceSim.newONOFF(
+      new MutableDateCalc(2012, 01, 10).goPlusHours(13).goPlusMinutes(30).toDate, // 2012-01-10 13:30:00.000
+      OnOffDurationHrs
+    )
 
-    val storeProvider = mc.storeProvider
-    val userStateStore = storeProvider.userStateStore
-    val resourceEventStore = storeProvider.resourceEventStore
-    val policyStore = storeProvider.policyStore
+    val credits = DefaultAlgorithm.creditsForVMTime(OnOffDurationMillis)
 
-    policyStore.storePolicyEntry(DefaultPolicy.toPolicyEntry)
+    showResourceEvents(clog)
 
-    // A new user is created on 2012-01-15 00:00:00.000
-    val UserCKKL  = UserSim("CKKL", UserCreationDateCalc.toDate, storeProvider.resourceEventStore)
+    val userState = doFullMonthlyBilling(clog, BillingMonthInfoJan)
 
-    // By convention
-    // - synnefo is for VMTime and Bandwidth
-    // - pithos is for Diskspace
-    val VMTimeInstance    = Synnefo.newVMTime   (UserCKKL, "VM.1")
-    val BandwidthInstance = Synnefo.newBandwidth(UserCKKL, "3G.1")
-    val DiskInstance      = Pithos .newDiskspace(UserCKKL, "DISK.1")
+    showUserState(clog, userState)
+
+    expectCredits(clog, credits, userState)
+
+    clog.end()
+  }
+
+  @Ignore
+  @Test
+  def testLonelyON: Unit = {
+    val clog = ContextualLogger.fromOther(None, logger, "testLonelyON()")
+    clog.begin()
+
+    ResourceEventStore.clearResourceEvents()
+    
+    val JanStart = new MutableDateCalc(2012, 01, 01)
+    val JanEnd = JanStart.copy.goEndOfThisMonth
+    val JanStartDate = JanStart.toDate
+    val OnOffImplicitDurationMillis = JanEnd.toMillis - JanStart.toMillis
+    val OnOffImplicitDurationHrs = millis2hrs(OnOffImplicitDurationMillis)
+
+    VMTimeInstanceSim.newON(JanStartDate)
+
+    val credits = DefaultAlgorithm.creditsForVMTime(OnOffImplicitDurationMillis)
+
+    showResourceEvents(clog)
+
+    val userState = doFullMonthlyBilling(clog, BillingMonthInfoJan)
+
+    showUserState(clog, userState)
+
+    expectCredits(clog, credits, userState)
+
+    clog.end()
+  }
+
+//  @Ignore
+  @Test
+  def testOrphanOFF: Unit = {
+    val clog = ContextualLogger.fromOther(None, logger, "testOrphanOFF()")
+    clog.begin()
+
+    ResourceEventStore.clearResourceEvents()
+
+    val JanStart = new MutableDateCalc(2012, 01, 01)
+    val JanEnd = JanStart.copy.goEndOfThisMonth
+    val JanStartDate = JanStart.toDate
+    val OnOffImplicitDurationMillis = JanEnd.toMillis - JanStart.toMillis
+    val OnOffImplicitDurationHrs = millis2hrs(OnOffImplicitDurationMillis)
+
+    VMTimeInstanceSim.newOFF(JanStartDate)
+
+    // This is an orphan event, so no credits will be charged
+    val credits = 0
+
+    showResourceEvents(clog)
+
+    val userState = doFullMonthlyBilling(clog, BillingMonthInfoJan)
+
+    showUserState(clog, userState)
+
+    expectCredits(clog, credits, userState)
+
+    clog.end()
+  }
+
+  @Ignore
+  @Test
+  def testOne: Unit = {
+    val clog = ContextualLogger.fromOther(None, logger, "testOne()")
+    clog.begin()
 
     // Let's create our dates of interest
-    val vmStartDateCalc = StartOfBillingYearDateCalc.copy.goPlusDays(1).goPlusHours(1)
-//    println("vmStartDateCalc = %s".format(vmStartDateCalc))
-    // 2012-01-16 01:00:00.000
-    val vmStartDate = vmStartDateCalc.toDate
+    val VMStartDateCalc = StartOfBillingYearDateCalc.copy.goPlusDays(1).goPlusHours(1)
+    val VMStartDate = VMStartDateCalc.toDate
 
     // Within January, create one VM ON-OFF ...
-    val onOff1_M = VMTimeInstance.newONOFF(vmStartDate, 9)
+    VMTimeInstanceSim.newONOFF(VMStartDate, 9)
 
     val diskConsumptionDateCalc = StartOfBillingYearDateCalc.copy.goPlusHours(3)
-    // 2012-01-16 04:00:00.000
     val diskConsumptionDate1 = diskConsumptionDateCalc.toDate
-    // 2012-01-17 05:00:00.000
     val diskConsumptionDateCalc2 = diskConsumptionDateCalc.copy.goPlusDays(1).goPlusHours(1)
     val diskConsumptionDate2 = diskConsumptionDateCalc2.toDate
 
     // ... and two diskspace changes
-    val consume1_M = DiskInstance.consumeMB(diskConsumptionDate1, 99)
-    val consume2_M = DiskInstance.consumeMB(diskConsumptionDate2, 23)
+    DiskInstanceSim.consumeMB(diskConsumptionDate1, 99)
+    DiskInstanceSim.consumeMB(diskConsumptionDate2, 23)
 
     // 100MB 3G bandwidth
     val bwDateCalc = diskConsumptionDateCalc2.copy.goPlusDays(1)
-    BandwidthInstance.useBandwidth(bwDateCalc.toDate, 100.0)
+    BandwidthInstanceSim.useBandwidth(bwDateCalc.toDate, 100.0)
 
     // ... and one "future" event
-    // 2012-02-07 07:07:07.007
-    DiskInstance.consumeMB(
+    DiskInstanceSim.consumeMB(
       StartOfBillingYearDateCalc.copy.
         goNextMonth.goPlusDays(6).
         goPlusHours(7).
@@ -154,38 +457,16 @@ aquariumpolicy:
         goPlusMillis(7).toDate,
       777)
 
-    clog.debug("")
-    clog.debug("=== Events by OccurredMillis ===")
-    clog.withIndent {
-      for(event <- UserCKKL.myResourceEventsByOccurredDate) {
-        clog.debug(event.toDebugString(DefaultResourcesMap))
-      }
-    }
-    clog.debug("=== Events by OccurredMillis ===")
-    clog.debug("")
+    showResourceEvents(clog)
 
-    val billingMonthInfo = BillingMonthInfo.fromDateCalc(StartOfBillingYearDateCalc)
+    // Policy: from 2012-01-01 to Infinity
 
-    val userStateM = computer.doFullMonthlyBilling(
-      UserCKKL.userId,
-      billingMonthInfo,
-      userStateStore,
-      resourceEventStore,
-      policyStore,
-      UserCKKL.userCreationDate.getTime,
-      computer.createFirstUserState(UserCKKL.userId),
-      computer.createFirstUserState(UserCKKL.userId),
-      DefaultPolicy,
-      DefaultResourcesMap,
-      new Accounting{},
-      Just(clog)
-    )
-    
-    clog.debug("userStateM = %s".format(userStateM))
-    userStateM.forFailed { failed ⇒
-      clog.error(failed)
-      failed.exception.printStackTrace()
-      NoVal
-    }
+    clog.debugMap("DefaultResourcesMap", DefaultResourcesMap.map, 1)
+
+    val userState = doFullMonthlyBilling(clog, BillingMonthInfoJan)
+
+    showUserState(clog, userState)
+
+    clog.end()
   }
 }
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