package service
package user
-import gr.grnet.aquarium.actor._
-
-import akka.config.Supervision.Temporary
-import gr.grnet.aquarium.Aquarium
-import gr.grnet.aquarium.util.{shortClassNameOf, shortNameOfClass}
-import gr.grnet.aquarium.actor.message.event.{ProcessResourceEvent, ProcessIMEvent}
-import gr.grnet.aquarium.computation.data.IMStateSnapshot
-import gr.grnet.aquarium.event.model.im.IMEventModel
-import gr.grnet.aquarium.actor.message.config.{InitializeUserState, ActorProviderConfigured, AquariumPropertiesLoaded}
-import gr.grnet.aquarium.actor.message.{GetUserBalanceResponseData, GetUserBalanceResponse, GetUserStateRequest, GetUserBalanceRequest}
-import gr.grnet.aquarium.computation.{BillingMonthInfo, UserStateBootstrappingData, UserState}
+import gr.grnet.aquarium.AquariumInternalError
+import gr.grnet.aquarium.actor.message.GetUserBalanceRequest
+import gr.grnet.aquarium.actor.message.GetUserBalanceResponse
+import gr.grnet.aquarium.actor.message.GetUserBalanceResponseData
+import gr.grnet.aquarium.actor.message.GetUserBillRequest
+import gr.grnet.aquarium.actor.message.GetUserBillResponse
+import gr.grnet.aquarium.actor.message.GetUserBillResponseData
+import gr.grnet.aquarium.actor.message.GetUserStateRequest
+import gr.grnet.aquarium.actor.message.GetUserStateResponse
+import gr.grnet.aquarium.actor.message.GetUserWalletRequest
+import gr.grnet.aquarium.actor.message.GetUserWalletResponse
+import gr.grnet.aquarium.actor.message.GetUserWalletResponseData
+import gr.grnet.aquarium.actor.message.config.AquariumPropertiesLoaded
+import gr.grnet.aquarium.charging.state.{UserStateModel, UserAgreementHistoryModel, UserStateBootstrap}
+import gr.grnet.aquarium.computation.BillingMonthInfo
+import gr.grnet.aquarium.message.avro.gen.{ResourceTypeMsg, UserAgreementHistoryMsg, IMEventMsg, ResourceEventMsg, UserStateMsg}
+import gr.grnet.aquarium.message.avro.{ModelFactory, MessageFactory, MessageHelpers, AvroHelpers}
+import gr.grnet.aquarium.service.event.BalanceEvent
import gr.grnet.aquarium.util.date.TimeHelpers
-import gr.grnet.aquarium.logic.accounting.Policy
-import gr.grnet.aquarium.computation.reason.InitialUserStateSetup
+import gr.grnet.aquarium.util.{LogHelpers, shortClassNameOf}
+import gr.grnet.aquarium.policy.{ResourceType, PolicyModel}
+import gr.grnet.aquarium.charging.bill.BillEntryMsg
+import gr.grnet.aquarium.event.CreditsModel
+import java.util
/**
*
*/
class UserActor extends ReflectiveRoleableActor {
- private[this] var _userID: String = "<?>"
- private[this] var _imState: IMStateSnapshot = _
- private[this] var _userState: UserState = _
+ private[this] var _rcMsgCount = 0
+ private[this] var _imMsgCount = 0
+ private[this] var _userID: String = "???"
+ private[this] var _userStateMsg: UserStateMsg = _
+ private[this] var _userAgreementHistoryModel: UserAgreementHistoryModel = _
+
+ def unsafeUserID = {
+ if(!haveUserID) {
+ throw new AquariumInternalError("%s not initialized")
+ }
- self.lifeCycle = Temporary
+ this._userID
+ }
- private[this] def _shutmedown(): Unit = {
- if(_haveUserState) {
- UserActorCache.invalidate(_userID)
- }
+ override def postStop() {
+ DEBUG("I am finally stopped (in postStop())")
+ aquarium.akkaService.notifyUserActorPostStop(this)
+ }
- self.stop()
+ private[this] def shutmedown(): Unit = {
+ if(haveUserID) {
+ aquarium.akkaService.invalidateUserActor(this)
+ }
}
override protected def onThrowable(t: Throwable, message: AnyRef) = {
- logChainOfCauses(t)
+ LogHelpers.logChainOfCauses(logger, t)
ERROR(t, "Terminating due to: %s(%s)", shortClassNameOf(t), t.getMessage)
- _shutmedown()
+ shutmedown()
}
def role = UserActorRole
- private[this] def aquarium: Aquarium = Aquarium.Instance
- private[this] def userStateComputations = aquarium.userStateComputations
+ private[this] def chargingService = aquarium.chargingService
- private[this] def _timestampTheshold = {
- aquarium.props.getLong(Aquarium.Keys.user_state_timestamp_threshold).getOr(10000)
+ private[this] def stdUserStateStoreFunc = (userState: UserStateMsg) ⇒ {
+ aquarium.userStateStore.insertUserState(userState)
}
- private[this] def _haveUserState = {
- this._userState ne null
+ def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
}
- private[this] def _haveIMState = {
- this._imState ne null
- }
+ private[this] def haveUserID = this._userID ne null
+ private[this] def unsafeUserCreationIMEventMsg = this._userAgreementHistoryModel.unsafeUserCreationIMEvent
+ private[this] def haveAgreements = this._userAgreementHistoryModel ne null
+ private[this] def isUserCreated = haveAgreements && this._userAgreementHistoryModel.hasUserCreationEvent
+ private[this] def haveUserState = this._userStateMsg ne null
- def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
- }
+ private[this] def createInitialUserStateMsgFromCreateIMEvent() {
+ assert(haveAgreements, "haveAgreements")
+ assert(isUserCreated, "isUserCreated")
+ assert(this._userAgreementHistoryModel.hasUserCreationEvent, "this._userAgreementHistoryModel.hasUserCreationEvent")
+
+ val userCreationIMEventMsg = unsafeUserCreationIMEventMsg
+ val userStateBootstrap = aquarium.getUserStateBootstrap(userCreationIMEventMsg)
- def onActorProviderConfigured(event: ActorProviderConfigured): Unit = {
+ this._userStateMsg = MessageFactory.newInitialUserStateMsg(
+ this._userID,
+ CreditsModel.from(0.0),
+ TimeHelpers.nowMillis()
+ )
}
- private[this] def createIMState(event: InitializeUserState): Unit = {
- val userID = event.userID
- val store = aquarium.imEventStore
- // TODO: Optimization: Since IMState only records roles, we should incrementally
- // TODO: built it only for those IMEvents that changed the role.
- store.replayIMEventsInOccurrenceOrder(userID) { imEvent ⇒
- logger.debug("Replaying %s".format(imEvent))
-
- val newState = this._imState match {
- case null ⇒
- IMStateSnapshot.initial(imEvent)
-
- case currentState ⇒
- currentState.updateHistoryWithEvent(imEvent)
+ /**
+ * Creates the agreement history from all the stored IMEvents.
+ *
+ * @return (`true` iff there was a user CREATE event, the number of events processed)
+ */
+ private[this] def createUserAgreementHistoryFromStoredIMEvents(): (Boolean, Int) = {
+ DEBUG("createUserAgreementHistoryFromStoredIMEvents()")
+ val historyMsg = MessageFactory.newUserAgreementHistoryMsg(this._userID)
+ this._userAgreementHistoryModel = ModelFactory.newUserAgreementHistoryModel(historyMsg)
+
+ var _imcounter = 0
+
+ val hadCreateEvent = aquarium.imEventStore.foreachIMEventInOccurrenceOrder(this._userID) { imEvent ⇒
+ _imcounter += 1
+ DEBUG("Replaying [%s/%s] %s", shortClassNameOf(imEvent), _imcounter, imEvent)
+
+ if(_imcounter == 1 && !MessageHelpers.isIMEventCreate(imEvent)) {
+ // The very first event must be a CREATE event. Otherwise we abort initialization.
+ // This will normally happen during devops :)
+ INFO("Ignoring first %s since it is not CREATE", shortClassNameOf(imEvent))
+ false
+ }
+ else {
+ val effectiveFromMillis = imEvent.getOccurredMillis
+ val role = imEvent.getRole
+ // calling unsafe just for the side-effect
+ assert(
+ aquarium.unsafeFullPriceTableForRoleAt(role, effectiveFromMillis) ne null,
+ "aquarium.unsafeFullPriceTableForRoleAt(%s, %s) ne null".format(role, effectiveFromMillis)
+ )
+
+ this._userAgreementHistoryModel.insertUserAgreementMsgFromIMEvent(imEvent)
+ true
}
-
- this._imState = newState
}
- DEBUG("Recomputed %s = %s", shortNameOfClass(classOf[IMStateSnapshot]), this._imState)
+ DEBUG("Agreements: %s", this._userAgreementHistoryModel)
+ (hadCreateEvent, _imcounter)
}
/**
- * Resource events are processed only if the user has been activated.
+ * Processes [[gr.grnet.aquarium.message.avro.gen.IMEventMsg]]s that come directly from the
+ * messaging hub (rabbitmq).
*/
- private[this] def shouldProcessResourceEvents: Boolean = {
- _haveIMState && this._imState.hasBeenActivated
- }
-
- private[this] def createUserState(event: InitializeUserState): Unit = {
- val userID = event.userID
- val referenceTime = event.referenceTimeMillis
+ def onIMEventMsg(imEvent: IMEventMsg) {
+ if(!isUserCreated && MessageHelpers.isIMEventCreate(imEvent)) {
+ assert(this._imMsgCount == 0, "this._imMsgCount == 0")
+ // Create the full agreement history from the original sources (IMEvents)
+ val (userCreated, imEventsCount) = createUserAgreementHistoryFromStoredIMEvents()
- if(!_haveIMState) {
- // Should have been created from `createIMState()`
- DEBUG("Cannot create user state from %s, since %s = %s", event, shortNameOfClass(classOf[IMStateSnapshot]), this._imState)
+ this._imMsgCount = imEventsCount
return
}
- if(!this._imState.hasBeenActivated) {
- // Cannot set the initial state!
- DEBUG("Cannot create user state from %s, since user is inactive", event)
+ // Check for out of sync (regarding IMEvents)
+ val isOutOfSyncIM = imEvent.getOccurredMillis < this._userAgreementHistoryModel.latestIMEventOccurredMillis
+ if(isOutOfSyncIM) {
+ // clear all resource state
+ // FIXME implement
+
return
}
- val userActivationMillis = this._imState.userActivationMillis.get
- val initialRole = this._imState.roleHistory.firstRole.get.name
+ // Check out of sync (regarding ResourceEvents)
+ val isOutOfSyncRC = false // FIXME implement
+ if(isOutOfSyncRC) {
+ // TODO
- val userStateBootstrap = UserStateBootstrappingData(
- this._userID,
- userActivationMillis,
- initialRole,
- aquarium.initialAgreementForRole(initialRole, userActivationMillis),
- aquarium.initialBalanceForRole(initialRole, userActivationMillis)
- )
+ return
+ }
- userStateComputations.doFullMonthlyBilling(
- userStateBootstrap,
- BillingMonthInfo.fromMillis(TimeHelpers.nowMillis()),
- aquarium.currentResourcesMap,
- InitialUserStateSetup,
- None
- )
+ // OK, seems good
+ assert(!MessageHelpers.isIMEventCreate(imEvent), "!MessageHelpers.isIMEventCreate(imEvent)")
+
+ // Make new agreement
+ this._userAgreementHistoryModel.insertUserAgreementMsgFromIMEvent(imEvent)
+ this._imMsgCount += 1
+ DEBUG("Agreements: %s", this._userAgreementHistoryModel)
}
- def onInitializeUserState(event: InitializeUserState): Unit = {
- val userID = event.userID
- this._userID = userID
- DEBUG("Got %s", event)
+ def onResourceEventMsg(rcEvent: ResourceEventMsg) {
+ if(!isUserCreated) {
+ DEBUG("No agreements. Ignoring %s", rcEvent)
- createIMState(event)
- createUserState(event)
- }
+ return
+ }
- /**
- * Process [[gr.grnet.aquarium.event.model.im.IMEventModel]]s.
- * When this method is called, we assume that all proper checks have been made and it
- * is OK to proceed with the event processing.
- */
- def onProcessIMEvent(processEvent: ProcessIMEvent): Unit = {
- val imEvent = processEvent.imEvent
+ val now = TimeHelpers.nowMillis()
+ val resourceMapping = aquarium.resourceMappingAtMillis(now)
+
+ val nowBillingMonthInfo = BillingMonthInfo.fromMillis(now)
+ val nowYear = nowBillingMonthInfo.year
+ val nowMonth = nowBillingMonthInfo.month
+
+ val eventOccurredMillis = rcEvent.getOccurredMillis
+ val eventBillingMonthInfo = BillingMonthInfo.fromMillis(eventOccurredMillis)
+ val eventYear = eventBillingMonthInfo.year
+ val eventMonth = eventBillingMonthInfo.month
+
+ def computeBatch(): Unit = {
+ DEBUG("Going for out of sync charging for %s", rcEvent.getOriginalID)
+
+ this._userStateMsg = chargingService.replayMonthChargingUpTo(
+ this._userAgreementHistoryModel,
+ nowBillingMonthInfo,
+ // Take into account that the event may be out-of-sync.
+ // TODO: Should we use this._latestResourceEventOccurredMillis instead of now?
+ now max eventOccurredMillis,
+ resourceMapping,
+ stdUserStateStoreFunc
+ )
- if(!_haveIMState) {
- // This is an error. Should have been initialized from somewhere ...
- throw new Exception("Got %s while being uninitialized".format(processEvent))
}
- if(this._imState.latestIMEvent.id == imEvent.id) {
- // This happens when the actor is brought to life, then immediately initialized, and then
- // sent the first IM event. But from the initialization procedure, this IM event will have
- // already been loaded from DB!
- INFO("Ignoring first %s after birth", imEvent.toDebugString)
- return
+ def computeRealtime(): Unit = {
+ DEBUG("Going for in sync charging for %s", rcEvent.getOriginalID)
+ chargingService.processResourceEvent(
+ rcEvent,
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
+ nowBillingMonthInfo,
+ true,
+ resourceMapping
+ )
+
+ this._rcMsgCount += 1
}
- this._imState = this._imState.updateHistoryWithEvent(imEvent)
+ val oldTotalCredits =
+ if(this._userStateMsg!=null)
+ this._userStateMsg.totalCredits
+ else
+ 0.0D
+ // FIXME check these
+ if(this._userStateMsg eq null) {
+ computeBatch()
+ }
+ else if(nowYear != eventYear || nowMonth != eventMonth) {
+ DEBUG(
+ "nowYear(%s) != eventYear(%s) || nowMonth(%s) != eventMonth(%s)",
+ nowYear, eventYear,
+ nowMonth, eventMonth
+ )
+ computeBatch()
+ }
+ else if(this._userStateMsg.latestResourceEventOccurredMillis < rcEvent.getOccurredMillis) {
+ DEBUG("this._workingUserState.latestResourceEventOccurredMillis < rcEvent.occurredMillis")
+ DEBUG(
+ "%s < %s",
+ TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userStateMsg.latestResourceEventOccurredMillis),
+ TimeHelpers.toYYYYMMDDHHMMSSSSS(rcEvent.getOccurredMillis)
+ )
+ computeRealtime()
+ }
+ else {
+ DEBUG("OUT OF ORDER! this._workingUserState.latestResourceEventOccurredMillis=%s and rcEvent.occurredMillis=%s",
+ TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userStateMsg.latestResourceEventOccurredMillis),
+ TimeHelpers.toYYYYMMDDHHMMSSSSS(rcEvent.getOccurredMillis))
- INFO("Update %s = %s", shortClassNameOf(this._imState), this._imState)
+ computeBatch()
+ }
+ val newTotalCredits = this._userStateMsg.totalCredits
+ if(oldTotalCredits * newTotalCredits < 0)
+ aquarium.eventBus ! new BalanceEvent(this._userStateMsg.userID,
+ newTotalCredits>=0)
+ DEBUG("Updated %s", this._userStateMsg)
+ logSeparator()
}
- def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
- val rcEvent = event.rcEvent
-
- if(!shouldProcessResourceEvents) {
- // This means the user has not been activated. So, we do not process any resource event
- DEBUG("Not processing %s", rcEvent.toJsonString)
- return
+ def onGetUserBillRequest(event: GetUserBillRequest): Unit = {
+ try{
+ val timeslot = event.timeslot
+ val resourceTypes: Map[String, ResourceType] = aquarium.policyStore.
+ loadSortedPolicyModelsWithin(timeslot.from.getTime,
+ timeslot.to.getTime).
+ values.headOption match {
+ case None => Map[String,ResourceType]()
+ case Some(policy:PolicyModel) => policy.resourceTypesMap
+ }
+ val state= if(haveUserState) Some(this._userStateMsg) else None
+ val billEntryMsg = BillEntryMsg.fromWorkingUserState(timeslot,this._userID,state,resourceTypes)
+ //val billEntryMsg = MessageFactory.createBillEntryMsg(billEntry)
+ //logger.debug("BILL ENTRY MSG: " + billEntryMsg.toString)
+ val billData = GetUserBillResponseData(this._userID,billEntryMsg)
+ sender ! GetUserBillResponse(Right(billData))
+ } catch {
+ case e:Exception =>
+ e.printStackTrace()
+ sender ! GetUserBillResponse(Left("Internal Server Error [AQU-BILL-0001]"), 500)
}
}
-
def onGetUserBalanceRequest(event: GetUserBalanceRequest): Unit = {
val userID = event.userID
- if(!_haveIMState) {
- // No IMEvent has arrived, so this user is virtually unknown
- self reply GetUserBalanceResponse(Left("User not found"), 404/*Not found*/)
+ (haveAgreements, haveUserState) match {
+ case (true, true) ⇒
+ // (User CREATEd, with balance state)
+ val realtimeMillis = TimeHelpers.nowMillis()
+ chargingService.calculateRealtimeUserState(
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
+ BillingMonthInfo.fromMillis(realtimeMillis),
+ aquarium.resourceMappingAtMillis(realtimeMillis),
+ realtimeMillis
+ )
+
+ sender ! GetUserBalanceResponse(Right(GetUserBalanceResponseData(this._userID, this._userStateMsg.totalCredits)))
+
+ case (true, false) ⇒
+ // (User CREATEd, no balance state)
+ // Return the default initial balance
+ sender ! GetUserBalanceResponse(
+ Right(
+ GetUserBalanceResponseData(
+ this._userID,
+ aquarium.initialUserBalance(this.unsafeUserCreationIMEventMsg.getRole, this.unsafeUserCreationIMEventMsg.getOccurredMillis)
+ )))
+
+ case (false, true) ⇒
+ // (Not CREATEd, with balance state)
+ // Clearly this is internal error
+ sender ! GetUserBalanceResponse(Left("Internal Server Error [AQU-BAL-0001]"), 500)
+
+ case (false, false) ⇒
+ // (Not CREATEd, no balance state)
+ // The user is completely unknown
+ sender ! GetUserBalanceResponse(Left("Unknown user %s [AQU-BAL-0004]".format(userID)), 404/*Not found*/)
}
- else if(!_haveUserState) {
- // The user is known but we have no state.
- // Ridiculous. Should have been created at least during initialization.
+ }
+
+ def onGetUserStateRequest(event: GetUserStateRequest): Unit = {
+ haveUserState match {
+ case true ⇒
+ val realtimeMillis = TimeHelpers.nowMillis()
+ chargingService.calculateRealtimeUserState(
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
+ BillingMonthInfo.fromMillis(realtimeMillis),
+ aquarium.resourceMappingAtMillis(realtimeMillis),
+ realtimeMillis
+ )
+
+ sender ! GetUserStateResponse(Right(this._userStateMsg))
+
+ case false ⇒
+ sender ! GetUserStateResponse(Left("No state for user %s [AQU-STA-0006]".format(event.userID)), 404)
}
+ }
- if(!_haveUserState) {
- self reply GetUserBalanceResponse(Left("Not found"), 404/*Not found*/)
- } else {
- self reply GetUserBalanceResponse(Right(GetUserBalanceResponseData(userID, this._userState.totalCredits)))
+ def onGetUserWalletRequest(event: GetUserWalletRequest): Unit = {
+ haveUserState match {
+ case true ⇒
+ DEBUG("haveWorkingUserState: %s", event)
+ val realtimeMillis = TimeHelpers.nowMillis()
+ chargingService.calculateRealtimeUserState(
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
+ BillingMonthInfo.fromMillis(realtimeMillis),
+ aquarium.resourceMappingAtMillis(realtimeMillis),
+ realtimeMillis
+ )
+
+ sender ! GetUserWalletResponse(
+ Right(
+ GetUserWalletResponseData(
+ this._userID,
+ this._userStateMsg.totalCredits,
+ MessageFactory.newWalletEntriesMsg(this._userStateMsg.getWalletEntries)
+ )))
+
+ case false ⇒
+ DEBUG("!haveWorkingUserState: %s", event)
+ haveAgreements match {
+ case true ⇒
+ DEBUG("haveAgreements: %s", event)
+ sender ! GetUserWalletResponse(
+ Right(
+ GetUserWalletResponseData(
+ this._userID,
+ aquarium.initialUserBalance(this.unsafeUserCreationIMEventMsg.getRole, this.unsafeUserCreationIMEventMsg.getOccurredMillis),
+ MessageFactory.newWalletEntriesMsg()
+ )))
+
+ case false ⇒
+ DEBUG("!haveUserCreationIMEvent: %s", event)
+ sender ! GetUserWalletResponse(Left("No wallet for user %s [AQU-WAL-00 8]".format(event.userID)), 404)
+ }
}
}
- def onGetUserStateRequest(event: GetUserStateRequest): Unit = {
- val userId = event.userID
- // FIXME: Implement
-// self reply GetUserStateResponse(userId, Right(this._userState))
+ def onSetUserActorUserID(userID: String) {
+ this._userID = userID
}
private[this] def D_userID = {
}
private[this] def DEBUG(fmt: String, args: Any*) =
- logger.debug("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
+ logger.debug("[%s] - %s".format(D_userID, fmt.format(args: _*)))
private[this] def INFO(fmt: String, args: Any*) =
- logger.info("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
+ logger.info("[%s] - %s".format(D_userID, fmt.format(args: _*)))
private[this] def WARN(fmt: String, args: Any*) =
- logger.warn("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
+ logger.warn("[%s] - %s".format(D_userID, fmt.format(args: _*)))
private[this] def ERROR(fmt: String, args: Any*) =
- logger.error("User[%s]: %s".format(D_userID, fmt.format(args: _*)))
+ logger.error("[%s] - %s".format(D_userID, fmt.format(args: _*)))
private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
- logger.error("User[%s]: %s".format(D_userID, fmt.format(args: _*)), t)
+ logger.error("[%s] - %s".format(D_userID, fmt.format(args: _*)), t)
}
projects / aquarium / blobdiff