2 * Copyright 2011 GRNET S.A. All rights reserved.
4 * Redistribution and use in source and binary forms, with or
5 * without modification, are permitted provided that the following
8 * 1. Redistributions of source code must retain the above
9 * copyright notice, this list of conditions and the following
12 * 2. Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials
15 * provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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36 package gr.grnet.aquarium.logic.events
38 import net.liftweb.json.{JsonAST, Xml}
39 import gr.grnet.aquarium.util.json.JsonHelpers
40 import gr.grnet.aquarium.logic.accounting.dsl._
41 import com.ckkloverdos.maybe.{MaybeOption, Maybe}
43 import gr.grnet.aquarium.util.date.DateCalculator
46 * Event sent to Aquarium by clients for resource accounting.
48 * @author Christos KK Loverdos <loverdos@gmail.com>.
49 * @author Georgios Gousios <gousiosg@gmail.com>.
51 case class ResourceEvent(
52 override val id: String, // The id at the client side (the sender) TODO: Rename to remoteId or something...
53 override val occurredMillis: Long, // When it occurred at client side (the sender)
54 override val receivedMillis: Long, // When it was received by Aquarium
55 userId: String, // The user for which this resource is relevant
56 clientId: String, // The unique client identifier (usually some hash)
57 resource: String, // String representation of the resource type (e.g. "bndup", "vmtime").
58 instanceId: String, // String representation of the resource instance id
61 details: ResourceEvent.Details)
62 extends AquariumEvent(id, occurredMillis, receivedMillis) {
64 def validate() : Boolean = {
68 def safeResource = if(resource eq null) "" else resource
69 def safeInstanceId = if(instanceId eq null) "" else instanceId
71 def hasResource = !safeResource.isEmpty
72 def hasInstanceId = !safeInstanceId.isEmpty
74 def fullResourceInfo = (safeResource, safeInstanceId)
76 def isOccurredWithinMillis(fromMillis: Long, toMillis: Long): Boolean = {
77 require(fromMillis <= toMillis, "fromMillis <= toMillis")
78 fromMillis <= occurredMillis && occurredMillis <= toMillis
81 def isOccurredWithinDates(fromDate: Date, toDate: Date): Boolean = {
82 isOccurredWithinMillis(fromDate.getTime, toDate.getTime)
85 def isReceivedWithinMillis(fromMillis: Long, toMillis: Long): Boolean = {
86 require(fromMillis <= toMillis, "fromMillis <= toMillis")
87 fromMillis <= receivedMillis && receivedMillis <= toMillis
90 def isReceivedWithinDates(fromDate: Date, toDate: Date): Boolean = {
91 isReceivedWithinMillis(fromDate.getTime, toDate.getTime)
94 def isReceivedWithinDateCalcs(fromDate: DateCalculator, toDate: DateCalculator): Boolean = {
95 isReceivedWithinMillis(fromDate.getMillis, toDate.getMillis)
98 def isOccurredOrReceivedWithinMillis(fromMillis: Long, toMillis: Long): Boolean = {
99 isOccurredWithinMillis(fromMillis, toMillis) ||
100 isReceivedWithinMillis(fromMillis, toMillis)
103 def isOccurredOrReceivedWithinDates(fromDate: Date, toDate: Date): Boolean = {
104 isOccurredWithinDates(fromDate, toDate) ||
105 isReceivedWithinDates(fromDate, toDate)
108 def isOutOfSyncForBillingMonth(yearOfBillingMonth: Int, billingMonth: Int) = {
109 val billingStartDateCalc = new DateCalculator(yearOfBillingMonth, billingMonth)
110 val billingStartMillis = billingStartDateCalc.toMillis
111 val billingStopMillis = billingStartDateCalc.goEndOfThisMonth.toMillis
113 isOutOfSyncForBillingPeriod(billingStartMillis, billingStopMillis)
116 def isOutOfSyncForBillingPeriod(billingStartMillis: Long, billingStopMillis: Long): Boolean = {
117 isReceivedWithinMillis(billingStartMillis, billingStopMillis) &&
118 (occurredMillis < billingStartMillis || occurredMillis > billingStopMillis)
121 def toDebugString(resourcesMap: DSLResourcesMap, useOnlyInstanceId: Boolean): String = {
122 val instanceInfo = if(useOnlyInstanceId) instanceId else "%s::%s".format(resource, instanceId)
123 val bvalue = beautifyValue(resourcesMap)
124 val occurredFormatted = new DateCalculator(occurredMillis).toString
125 if(occurredMillis == receivedMillis) {
126 "EVENT(%s, [%s], %s, %s, %s, %s, %s)".format(
136 "EVENT(%s, [%s], [%s], %s, %s, %s, %s, %s)".format(
139 new DateCalculator(receivedMillis),
150 def beatifyValue(resourceProvider: (String) ⇒ Option[DSLResource]): String = {
151 resourceProvider(this.resource) match {
152 case Some(DSLComplexResource(_, _, OnOffCostPolicy, _)) ⇒
153 OnOffPolicyResourceState(this.value).state.toUpperCase
154 case Some(rc @ DSLComplexResource(_, _, _, _)) ⇒
155 "%s [%s]".format(value, rc.unit)
156 case Some(DSLSimpleResource(_, _, OnOffCostPolicy)) ⇒
157 OnOffPolicyResourceState(this.value).state.toUpperCase
158 case Some(rc @ DSLSimpleResource(_, _, _)) ⇒
159 "%s [%s]".format(value, rc.unit)
166 * Returns a beautiful string representation of the value.
168 * @param policy The policy to be asked for resources.
169 * @return A beautiful string representation of the value.
171 def beautifyValue(policy: DSLPolicy): String = {
172 beatifyValue(policy.findResource)
176 * Returns a beautiful string representation of the value.
178 * @param resourcesMap The resources map to be asked for resources.
179 * @return A beautiful string representation of the value.
181 def beautifyValue(resourcesMap: DSLResourcesMap): String = {
182 beatifyValue(resourcesMap.findResource)
186 * Return `true` iff this is an event regarding a resource with an
187 * [[gr.grnet.aquarium.logic.accounting.dsl.OnOffCostPolicy]].
189 def isOnOffEvent(policy: DSLPolicy): Boolean = {
190 policy.findResource(this.resource).map(_.costPolicy) match {
191 case Some(OnOffCostPolicy) ⇒ true
197 * Return `true` iff this is an event regarding a resource with an
198 * [[gr.grnet.aquarium.logic.accounting.dsl.OnOffCostPolicy]] and a
201 def isOnEvent(policy: DSLPolicy): Boolean = {
202 policy.findResource(this.resource) match {
203 case Some(DSLComplexResource(_, _, OnOffCostPolicy, _)) ⇒
204 OnOffPolicyResourceState(this.value).isOn
205 case Some(DSLSimpleResource(_, _, OnOffCostPolicy)) ⇒
206 OnOffPolicyResourceState(this.value).isOn
213 * Return `true` iff this is an event regarding a resource with an
214 * [[gr.grnet.aquarium.logic.accounting.dsl.OnOffCostPolicy]] and a
215 * `value` of `"off"`.
217 def isOffEvent(policy: DSLPolicy): Boolean = {
218 policy.findResource(this.resource) match {
219 case Some(DSLComplexResource(_, _, OnOffCostPolicy, _)) ⇒
220 OnOffPolicyResourceState(this.value).isOff
221 case Some(DSLSimpleResource(_, _, OnOffCostPolicy)) ⇒
222 OnOffPolicyResourceState(this.value).isOff
228 def copyWithReceivedMillis(millis: Long) = copy(receivedMillis = millis)
231 * Find the cost policy of the resource named in this resource event.
233 * We do not expect cost policies for resources to change, because they are supposed
234 * to be one of their constant characteristics. That is why do not issue a time-dependent
235 * query here for the event's current policy.
237 * Should the need arises to change the cost policy for a resource, this is a good enough
238 * reason to consider creating another type of resource.
240 def findCostPolicyM(defaultPolicy: DSLPolicy): Maybe[DSLCostPolicy] = {
241 defaultPolicy.findResource(this.safeResource).map(_.costPolicy): Maybe[DSLCostPolicy]
245 * Find the cost policy of the resource named in this resource event.
247 * We do not expect cost policies for resources to change, because they are supposed
248 * to be one of their constant characteristics. That is why do not issue a time-dependent
249 * query here for the event's current policy.
251 * Should the need arises to change the cost policy for a resource, this is a good enough
252 * reason to consider creating another type of resource.
254 def findCostPolicy(resourcesMap: DSLResourcesMap): Option[DSLCostPolicy] = {
255 resourcesMap.findResource(this.safeResource).map(_.costPolicy)
259 object ResourceEvent {
260 type Details = Map[String, String]
262 type ResourceType = String
263 type ResourceIdType = String
264 type FullResourceType = (ResourceType, ResourceIdType)
266 def fromJson(json: String): ResourceEvent = {
267 JsonHelpers.jsonToObject[ResourceEvent](json)
270 def fromJValue(jsonAST: JsonAST.JValue): ResourceEvent = {
271 JsonHelpers.jValueToObject[ResourceEvent](jsonAST)
274 def fromBytes(bytes: Array[Byte]): ResourceEvent = {
275 JsonHelpers.jsonBytesToObject[ResourceEvent](bytes)
278 def fromXml(xml: String): ResourceEvent = {
279 fromJValue(Xml.toJson(scala.xml.XML.loadString(xml)))
283 final val _id = "_id"
285 final val userId = "userId"
286 //final val timestamp = "timestamp" // TODO: deprecate in favor of "occurredMillis"
287 final val occurredMillis = "occurredMillis"
288 final val receivedMillis = "receivedMillis"
289 final val clientId = "clientId"
290 final val resource = "resource"
291 final val resourceId = "resourceId"
292 final val eventVersion = "eventVersion"
293 final val value = "value"
294 final val details = "details"
296 // ResourceType: VMTime
297 final val vmId = "vmId"
298 final val action = "action" // "on", "off"