[104] | 1 | package test.rewolucja.scheduling.implementation; |
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| 2 | |
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| 3 | import eduni.simjava.Sim_event; |
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| 4 | import eduni.simjava.Sim_system; |
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| 5 | import gridsim.Accumulator; |
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| 6 | import gridsim.GridSim; |
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| 7 | import gridsim.GridSimTags; |
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| 8 | import gridsim.Gridlet; |
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| 9 | import gridsim.ResourceCalendar; |
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| 10 | import gridsim.gssim.GssimConstants; |
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| 11 | import gridsim.gssim.GssimTags; |
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| 12 | import gridsim.gssim.ResourceHistoryItem; |
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| 13 | import gridsim.gssim.SubmittedTask; |
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| 14 | import gridsim.gssim.filter.SubTaskFilter; |
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| 15 | import grms.shared.constants.BrokerConstants; |
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| 16 | import gssim.schedframe.scheduling.AbstractExecutable; |
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| 17 | import gssim.schedframe.scheduling.ExecTaskInterface; |
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| 18 | import gssim.schedframe.scheduling.Executable; |
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| 19 | |
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| 20 | import java.util.ArrayList; |
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| 21 | import java.util.HashMap; |
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| 22 | import java.util.Iterator; |
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| 23 | import java.util.List; |
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| 24 | import java.util.Map; |
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| 25 | import java.util.Properties; |
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| 26 | |
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| 27 | import org.apache.commons.logging.Log; |
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| 28 | import org.apache.commons.logging.LogFactory; |
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| 29 | import org.joda.time.DateTime; |
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| 30 | import org.qcg.broker.schemas.schedulingplan.types.AllocationStatus; |
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| 31 | |
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| 32 | import schedframe.resources.units.ResourceUnit; |
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| 33 | import schedframe.scheduling.events.SchedulingEvent; |
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| 34 | import schedframe.scheduling.events.SchedulingEventReason; |
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| 35 | import schedframe.scheduling.events.SchedulingEventType; |
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| 36 | import schedframe.scheduling.events.StartTaskExecutionEvent; |
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| 37 | import schedframe.scheduling.events.TaskCanceledEvent; |
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| 38 | import schedframe.scheduling.events.TaskFinishedEvent; |
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| 39 | import schedframe.scheduling.plugin.SchedulingPluginConfiguration; |
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| 40 | import schedframe.scheduling.plugin.estimation.ExecTimeEstimationPlugin; |
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| 41 | import schedframe.scheduling.plugin.grid.ModuleListImpl; |
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| 42 | import schedframe.scheduling.plugin.grid.ModuleType; |
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| 43 | import schedframe.scheduling.plugin.local.LocalSchedulingPlugin; |
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| 44 | import schedframe.scheduling.utils.ResourceParameterName; |
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| 45 | import simulator.utils.DoubleMath; |
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| 46 | import simulator.utils.InstanceFactory; |
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| 47 | import test.rewolucja.GSSIMJobInterface; |
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| 48 | import test.rewolucja.energy.EnergyEvent; |
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| 49 | import test.rewolucja.energy.EnergyEventType; |
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| 50 | import test.rewolucja.resources.ProcessingElements; |
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| 51 | import test.rewolucja.resources.ResourceStatus; |
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| 52 | import test.rewolucja.resources.ResourceType; |
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| 53 | import test.rewolucja.resources.description.ExecResourceDescription; |
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| 54 | import test.rewolucja.resources.exception.ResourceException; |
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| 55 | import test.rewolucja.resources.logical.LogicalResource; |
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| 56 | import test.rewolucja.resources.manager.factory.ResourceManagerFactory; |
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| 57 | import test.rewolucja.resources.manager.implementation.ResourceManager; |
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| 58 | import test.rewolucja.resources.manager.interfaces.ResourceManagerInterface; |
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| 59 | import test.rewolucja.resources.manager.utils.ResourceManagerUtils; |
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| 60 | import test.rewolucja.resources.physical.base.ComputingResource; |
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| 61 | import test.rewolucja.scheduling.plan.AllocationInterfaceNew; |
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| 62 | import test.rewolucja.scheduling.plan.ScheduledTaskInterfaceNew; |
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| 63 | import test.rewolucja.scheduling.plan.SchedulingPlanInterfaceNew; |
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| 64 | import test.rewolucja.task.JobList; |
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| 65 | |
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| 66 | public class LocalManagementSystem extends ManagementSystem { |
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| 67 | |
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| 68 | private Log log = LogFactory.getLog(LocalManagementSystem.class); |
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| 69 | |
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| 70 | protected double lastUpdateTime; |
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| 71 | |
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| 72 | protected Accumulator accTotalLoad_; |
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| 73 | |
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| 74 | public LocalManagementSystem(String providerId, String entityName, String schedulingPluginClassName, |
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| 75 | ExecTimeEstimationPlugin execTimeEstimationPlugin, ExecResourceDescription resourceDescription) |
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| 76 | throws Exception { |
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| 77 | |
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| 78 | super(providerId, entityName, schedulingPluginClassName, execTimeEstimationPlugin, resourceDescription); |
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| 79 | |
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| 80 | schedulingPlugin = (LocalSchedulingPlugin) InstanceFactory.createInstance(schedulingPluginClassName, LocalSchedulingPlugin.class); |
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| 81 | if (schedulingPlugin == null) { |
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| 82 | throw new Exception("Can not create local scheduling plugin instance."); |
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| 83 | } |
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| 84 | |
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| 85 | accTotalLoad_ = new Accumulator(); |
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| 86 | moduleList = new ModuleListImpl(1); |
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| 87 | |
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| 88 | } |
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| 89 | |
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| 90 | public void init(LogicalResource logRes) { |
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| 91 | logicalResource = logRes; |
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| 92 | resourceManager = (ResourceManager) ResourceManagerFactory.createResourceManager(logicalResource); |
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| 93 | double load = 0; |
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| 94 | accTotalLoad_.add(load); |
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| 95 | } |
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| 96 | |
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| 97 | public void processEvent(Sim_event ev) { |
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| 98 | |
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| 99 | updateProcessingProgress(); |
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| 100 | |
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| 101 | int tag = ev.get_tag(); |
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| 102 | Object obj; |
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| 103 | |
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| 104 | switch (tag) { |
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| 105 | |
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| 106 | case GssimTags.TIMER: |
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| 107 | if (pluginSupportsEvent(tag)) { |
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| 108 | SchedulingEvent event = new SchedulingEvent(SchedulingEventType.TIMER); |
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| 109 | SchedulingPlanInterfaceNew decision = schedulingPlugin.schedule(event, |
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| 110 | queues, getJobRegistry(), getResourceManager(), moduleList); |
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| 111 | executeSchedulingPlan(decision); |
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| 112 | } |
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| 113 | sendTimerEvent(); |
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| 114 | |
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| 115 | break; |
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| 116 | |
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| 117 | case GssimTags.TASK_READY_FOR_EXECUTION: |
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| 118 | Executable data = (Executable) ev.get_data(); |
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| 119 | |
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| 120 | try { |
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| 121 | data.setGridletStatus(Gridlet.READY); |
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| 122 | if (pluginSupportsEvent(tag)) { |
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| 123 | SchedulingEvent event = new StartTaskExecutionEvent(data.getJobId(), data.getId()); |
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| 124 | SchedulingPlanInterfaceNew decision = schedulingPlugin.schedule(event, |
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| 125 | queues, getJobRegistry(), getResourceManager(), moduleList); |
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| 126 | executeSchedulingPlan(decision); |
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| 127 | |
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| 128 | } |
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| 129 | } catch (Exception e) { |
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| 130 | e.printStackTrace(); |
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| 131 | } |
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| 132 | break; |
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| 133 | |
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| 134 | case GssimTags.TASK_EXECUTION_FINISHED: |
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| 135 | obj = ev.get_data(); |
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| 136 | SubmittedTask task = (SubmittedTask) obj; |
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| 137 | if (task.getStatus() == Gridlet.INEXEC) { |
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| 138 | task.setGridletStatus(Gridlet.SUCCESS); |
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| 139 | task.finalizeGridlet(); |
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| 140 | log.debug(task.getJobId() + "_" + task.getId() + " finished execution on " + new DateTime()); |
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| 141 | log.info(GssimConstants.USAGE_MEASURE_NAME + ": " + calculateTotalLoad(jobRegistry.getRunningTasks().size())); |
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| 142 | List<ResourceHistoryItem> lastUsedList = task.getUsedResources(); |
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| 143 | Map<ResourceParameterName, ResourceUnit> lastUsed = lastUsedList.get(lastUsedList.size() - 1) |
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| 144 | .getResourceUnits(); |
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| 145 | getAllocationManager().freeResources(lastUsed); |
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| 146 | ProcessingElements pes = (ProcessingElements) lastUsed.get(ResourceParameterName.PROCESSINGELEMENTS); |
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| 147 | for (ComputingResource resource : pes) { |
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| 148 | resource.handleEvent(new EnergyEvent(EnergyEventType.TASK_FINISHED, task)); |
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| 149 | } |
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| 150 | super.sendFinishJob((AbstractExecutable) task.getGridlet()); |
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| 151 | } |
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| 152 | |
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| 153 | if (pluginSupportsEvent(tag)) { |
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| 154 | SchedulingEvent event = new TaskFinishedEvent(task.getJobId(), task.getId()); |
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| 155 | SchedulingPlanInterfaceNew decision = schedulingPlugin.schedule(event, |
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| 156 | queues, getJobRegistry(), getResourceManager(), moduleList); |
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| 157 | executeSchedulingPlan(decision); |
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| 158 | } |
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| 159 | |
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| 160 | break; |
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| 161 | case GssimTags.TASK_REQUESTED_TIME_EXPIRED: |
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| 162 | obj = ev.get_data(); |
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| 163 | |
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| 164 | if (pluginSupportsEvent(tag)) { |
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| 165 | SchedulingEvent event = new SchedulingEvent(SchedulingEventType.TASK_REQUESTED_TIME_EXPIRED); |
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| 166 | SchedulingPlanInterfaceNew decision = schedulingPlugin.schedule(event, |
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| 167 | queues, getJobRegistry(), getResourceManager(), moduleList); |
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| 168 | executeSchedulingPlan(decision); |
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| 169 | } |
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| 170 | |
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| 171 | break; |
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| 172 | case GssimTags.UPDATE: |
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| 173 | updateProcessingTimes(ev); |
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| 174 | break; |
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| 175 | } |
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| 176 | } |
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| 177 | |
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| 178 | public void notifySubmittedJob(GSSIMJobInterface<?> job, boolean ack) { |
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| 179 | if (job instanceof AbstractExecutable) { |
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| 180 | AbstractExecutable executable = (AbstractExecutable) job; |
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| 181 | // int cost = |
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| 182 | // this.resourceManager.getResourceCharacteristic().getResUnits() != |
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| 183 | // null ? |
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| 184 | // this.resourceManager.getResourceCharacteristic().getResUnits().get(ResourceParameterName.COST).getAmount() |
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| 185 | // : 1; |
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| 186 | executable.setResourceParameter(logicalResource.get_id(), 1); |
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| 187 | |
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| 188 | updateProcessingProgress(); |
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| 189 | JobList newTasks = new JobList(); |
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| 190 | SubmittedTask submittedTask = jobRegistry.getSubmittedTask(executable.getJobId(), executable.getId()); |
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| 191 | if(submittedTask == null) |
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| 192 | { submittedTask = new SubmittedTask((Executable) executable); |
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| 193 | jobRegistry.addTask(submittedTask); |
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| 194 | } |
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| 195 | LogicalResource logicalRes = logicalResource; |
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| 196 | submittedTask.addToResPath(logicalRes.get_name()); |
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| 197 | while (logicalRes != null && !submittedTask.getResPath().contains(logicalRes.get_name())) { |
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| 198 | submittedTask.addToResPath(logicalRes.get_name()); |
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| 199 | logicalRes = logicalRes.getParent(); |
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| 200 | } |
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| 201 | newTasks.add(submittedTask); |
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| 202 | schedulingPlugin.placeJobsInQueues(newTasks, queues, getResourceManager(), moduleList); |
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| 203 | |
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| 204 | if (job.getStatus() == Gridlet.QUEUED) { |
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| 205 | sendJobReadyEvent(job); |
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| 206 | } |
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| 207 | } |
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| 208 | } |
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| 209 | |
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| 210 | public void notifyReturnedJob(GSSIMJobInterface<?> job) { |
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| 211 | if (pluginSupportsEvent(GssimTags.TASK_EXECUTION_FINISHED)) { |
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| 212 | SchedulingEvent event = new SchedulingEvent(SchedulingEventType.TASK_FINISHED); |
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| 213 | SchedulingPlanInterfaceNew decision = schedulingPlugin.schedule(event, |
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| 214 | queues, getJobRegistry(), getResourceManager(), moduleList); |
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| 215 | executeSchedulingPlan(decision); |
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| 216 | } |
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| 217 | if(logicalResource.getParent() != null){ |
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| 218 | sendFinishJob((AbstractExecutable)job); |
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| 219 | } |
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| 220 | } |
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| 221 | |
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| 222 | public void notifyCanceledJob(GSSIMJobInterface<?> job) { |
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| 223 | |
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| 224 | if (!pluginSupportsEvent(GridSimTags.GRIDLET_CANCEL)) |
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| 225 | return; |
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| 226 | |
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| 227 | Executable executable = (Executable) job; |
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| 228 | String jobID = executable.getJobId(); |
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| 229 | |
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| 230 | SchedulingPlanInterfaceNew decision = null; |
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| 231 | |
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| 232 | try { |
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| 233 | |
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| 234 | executable.setStatus((int) BrokerConstants.JOB_STATUS_CANCELED); |
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| 235 | |
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| 236 | TaskCanceledEvent event = new TaskCanceledEvent(executable.getJobId(), executable.getTaskId()); |
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| 237 | event.setReason(SchedulingEventReason.RESERVATION_EXCEEDED); |
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| 238 | decision = schedulingPlugin |
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| 239 | .schedule(event, queues, getJobRegistry(), getResourceManager(), moduleList); |
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| 240 | |
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| 241 | if (decision == null) |
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| 242 | return; |
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| 243 | |
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| 244 | executeSchedulingPlan(decision); |
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| 245 | |
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| 246 | } catch (Exception e) { |
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| 247 | log.error("Exception during scheduling. " + e.getMessage()); |
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| 248 | e.printStackTrace(); |
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| 249 | } |
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| 250 | } |
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| 251 | |
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| 252 | protected void executeSchedulingPlan(SchedulingPlanInterfaceNew decision) { |
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| 253 | |
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| 254 | ArrayList<ScheduledTaskInterfaceNew> taskSchedulingDecisions = decision.getTasks(); |
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| 255 | for (int i = 0; i < taskSchedulingDecisions.size(); i++) { |
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| 256 | try { |
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| 257 | ScheduledTaskInterfaceNew taskDecision = taskSchedulingDecisions.get(i); |
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| 258 | |
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| 259 | // not scheduled again are returned to the user. |
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| 260 | if (taskDecision.getStatus() == AllocationStatus.REJECTED) { |
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| 261 | continue; |
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| 262 | } |
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| 263 | |
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| 264 | ArrayList<AllocationInterfaceNew> allocations = taskDecision.getAllocations(); |
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| 265 | |
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| 266 | GSSIMJobInterface<?> task = taskDecision.getTask(); |
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| 267 | for (int j = 0; j < allocations.size(); j++) { |
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| 268 | |
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| 269 | AllocationInterfaceNew allocation = allocations.get(j); |
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| 270 | if (allocation.isProcessing()) { |
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| 271 | executeTask(task, allocation.getRequestedResources()); |
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| 272 | //} else if(GridSim.getEntityId(allocation.getProviderName()) != -1 || logicalResource.getLogicalResource(allocation.getProviderName())!=null){ |
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| 273 | } else if(resourceManager.getResourceProvider(allocation.getProviderName()) != null){ |
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| 274 | allocation.setProviderName(resourceManager.getResourceProvider(allocation.getProviderName())); |
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| 275 | submitJob(task, allocation); |
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| 276 | } else { |
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| 277 | executeTask(task, chooseResourcesForExecution(allocation.getProviderName(), (ExecTaskInterface)task)); |
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| 278 | } |
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| 279 | } |
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| 280 | |
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| 281 | } catch (Exception e) { |
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| 282 | e.printStackTrace(); |
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| 283 | } |
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| 284 | } |
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| 285 | } |
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| 286 | |
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| 287 | protected void executeTask(GSSIMJobInterface<?> job, Map<ResourceParameterName, ResourceUnit> choosenResources) { |
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| 288 | ExecTaskInterface task = (ExecTaskInterface) job; |
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| 289 | SubmittedTask submittedTask = (SubmittedTask) task; |
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| 290 | |
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| 291 | boolean allocationStatus = getAllocationManager().allocateResources(choosenResources); |
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| 292 | if(allocationStatus == false) |
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| 293 | return; |
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| 294 | removeFromQueue(task); |
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| 295 | double completionPercentage = (submittedTask.getLength() - submittedTask.getRemainingGridletLength())/submittedTask.getLength(); |
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| 296 | SchedulingEvent event = new SchedulingEvent(SchedulingEventType.START_TASK_EXECUTION); |
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| 297 | int time = Double.valueOf( |
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| 298 | forecastFinishTimePlugin.execTimeEstimation(event, choosenResources, task, completionPercentage)).intValue(); |
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| 299 | log.debug(task.getJobId() + "_" + task.getId() + " starts executing on " + new DateTime() |
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| 300 | + " will finish after " + time); |
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| 301 | |
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| 302 | if (time < 0.0) |
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| 303 | return; |
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| 304 | submittedTask.setGridletStatus(Gridlet.INEXEC); |
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| 305 | log.info(GssimConstants.USAGE_MEASURE_NAME + ": " + calculateTotalLoad(jobRegistry.getRunningTasks().size())); |
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| 306 | |
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| 307 | jobRegistry.saveHistory(submittedTask, time, choosenResources); |
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| 308 | |
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| 309 | logicalResource.sendInternal(time, GssimTags.TASK_EXECUTION_FINISHED, |
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| 310 | submittedTask); |
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| 311 | |
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| 312 | try { |
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| 313 | long expectedDuration = submittedTask.getExpectedDuration().getMillis() / 1000; |
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| 314 | logicalResource.sendInternal(expectedDuration, GssimTags.TASK_REQUESTED_TIME_EXPIRED, submittedTask); |
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| 315 | } catch (NoSuchFieldException e) { |
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| 316 | double t = submittedTask.getEstimatedDuration(); |
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| 317 | logicalResource.sendInternal(t, GssimTags.TASK_REQUESTED_TIME_EXPIRED, submittedTask); |
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| 318 | } |
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| 319 | |
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| 320 | ProcessingElements pes = (ProcessingElements) choosenResources.get(ResourceParameterName.PROCESSINGELEMENTS); |
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| 321 | for (ComputingResource resource : pes) { |
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| 322 | resource.handleEvent(new EnergyEvent(EnergyEventType.TASK_STARTED, submittedTask)); |
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| 323 | } |
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| 324 | |
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| 325 | |
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| 326 | } |
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| 327 | |
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| 328 | protected void updateProcessingProgress() { |
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| 329 | double timeSpan = DoubleMath.subtract(Sim_system.clock(), lastUpdateTime); |
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| 330 | if (timeSpan <= 0.0) { |
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| 331 | // don't update when nothing changed |
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| 332 | return; |
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| 333 | } |
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| 334 | lastUpdateTime = Sim_system.clock(); |
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| 335 | Iterator<ExecTaskInterface> iter = jobRegistry.getRunningTasks().iterator(); |
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| 336 | while (iter.hasNext()) { |
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| 337 | ExecTaskInterface task = iter.next(); |
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| 338 | SubmittedTask subTask = (SubmittedTask)task; |
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| 339 | List<ResourceHistoryItem> usedResourcesList = subTask.getUsedResources(); |
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| 340 | ResourceUnit unit = usedResourcesList.get(usedResourcesList.size() - 1).getResourceUnits() |
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| 341 | .get(ResourceParameterName.PROCESSINGELEMENTS); |
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| 342 | |
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| 343 | double load = getMIShare(timeSpan, (ProcessingElements) unit); |
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| 344 | subTask.updateGridletFinishedSoFar(load); |
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| 345 | addTotalLoad(load); |
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| 346 | } |
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| 347 | } |
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| 348 | |
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| 349 | private double getMIShare(double timeSpan, ProcessingElements pes) { |
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| 350 | double localLoad; |
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| 351 | ResourceCalendar resCalendar = (ResourceCalendar) moduleList.getModule(ModuleType.RESOURCE_CALENDAR); |
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| 352 | if (resCalendar == null) |
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| 353 | localLoad = 0; |
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| 354 | else |
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| 355 | // 1 - localLoad_ = available MI share percentage |
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| 356 | localLoad = resCalendar.getCurrentLoad(); |
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| 357 | |
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| 358 | int speed = pes.getSpeed(); |
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| 359 | int cnt = pes.getAmount(); |
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| 360 | |
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| 361 | double totalMI = speed * cnt * timeSpan * (1 - localLoad); |
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| 362 | return totalMI; |
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| 363 | } |
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| 364 | |
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| 365 | protected void updateProcessingTimes(Sim_event ev) { |
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| 366 | updateProcessingProgress(); |
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| 367 | for (ExecTaskInterface task : jobRegistry.getRunningTasks()) { |
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| 368 | SubmittedTask subTask = (SubmittedTask)task; |
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| 369 | Map<ResourceParameterName, ResourceUnit> choosenResources = subTask.getUsedResources() |
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| 370 | .get(subTask.getUsedResources().size() - 1).getResourceUnits(); |
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| 371 | double completionPercentage = (task.getLength() - subTask.getRemainingGridletLength())/task.getLength(); |
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| 372 | double time = forecastFinishTimePlugin.execTimeEstimation(null, choosenResources, task, |
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| 373 | completionPercentage); |
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| 374 | if(!subTask.getResPath().contains(ev.get_data().toString())) { |
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| 375 | continue; |
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| 376 | } else if( DoubleMath.subtract(subTask.getEstimatedDuration(), (time + lastUpdateTime)) == 0.0){ |
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| 377 | continue; |
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| 378 | } |
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| 379 | SubTaskFilter filter = new SubTaskFilter(subTask.getGridletID(), GssimTags.TASK_EXECUTION_FINISHED); |
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| 380 | logicalResource.sim_cancel(filter, null); |
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| 381 | logicalResource.sendInternal(time, GssimTags.TASK_EXECUTION_FINISHED, task); |
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| 382 | |
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| 383 | } |
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| 384 | } |
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| 385 | |
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| 386 | public boolean pluginSupportsEvent(int eventType) { |
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| 387 | SchedulingPluginConfiguration config = (SchedulingPluginConfiguration) schedulingPlugin.getConfiguration(); |
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| 388 | if (config == null) |
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| 389 | return false; |
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| 390 | |
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| 391 | Map<SchedulingEventType, Object> servedEvent = config.getServedEvents(); |
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| 392 | if (servedEvent == null) |
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| 393 | return false; |
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| 394 | |
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| 395 | switch (eventType) { |
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| 396 | |
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| 397 | case GssimTags.TIMER: |
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| 398 | return servedEvent.containsKey(SchedulingEventType.TIMER); |
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| 399 | |
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| 400 | case GssimTags.GRIDLET_SUBMIT: |
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| 401 | return servedEvent.containsKey(SchedulingEventType.TASK_ARRIVED); |
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| 402 | |
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| 403 | case GssimTags.TASK_READY_FOR_EXECUTION: |
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| 404 | return servedEvent.containsKey(SchedulingEventType.START_TASK_EXECUTION); |
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| 405 | case GssimTags.TASK_EXECUTION_FINISHED: |
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| 406 | return servedEvent.containsKey(SchedulingEventType.TASK_FINISHED); |
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| 407 | case GssimTags.GRIDLET_CANCEL: |
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| 408 | return servedEvent.containsKey(SchedulingEventType.TASK_CANCELED); |
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| 409 | case GssimTags.GRIDLET_RESUME: |
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| 410 | return servedEvent.containsKey(SchedulingEventType.TASK_ARRIVED); |
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| 411 | |
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| 412 | case GssimTags.GRIDRESOURCE_FAILURE: |
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| 413 | return servedEvent.containsKey(SchedulingEventType.RESOURCE_FAILED); |
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| 414 | |
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| 415 | |
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| 416 | case GssimTags.TASK_REQUESTED_TIME_EXPIRED: |
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| 417 | return servedEvent.containsKey(SchedulingEventType.TASK_REQUESTED_TIME_EXPIRED); |
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| 418 | |
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| 419 | default: |
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| 420 | return false; |
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| 421 | } |
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| 422 | } |
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| 423 | |
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| 424 | public double calculateTotalLoad(int size) { |
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| 425 | // background load, defined during initialization |
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| 426 | double load; |
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| 427 | ResourceCalendar resCalendar = (ResourceCalendar) moduleList.getModule(ModuleType.RESOURCE_CALENDAR); |
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| 428 | if (resCalendar == null) |
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| 429 | load = 0; |
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| 430 | else |
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| 431 | load = resCalendar.getCurrentLoad(); |
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| 432 | |
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| 433 | double numberOfPE; |
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| 434 | try { |
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| 435 | numberOfPE = resourceManager.getResourcesOfType(ResourceType.CPU).size(); |
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| 436 | } catch (Exception e) { |
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| 437 | numberOfPE = 1; |
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| 438 | } |
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| 439 | double tasksPerPE = (double) size / numberOfPE; |
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| 440 | load += Math.min(1.0 - load, tasksPerPE); |
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| 441 | |
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| 442 | return load; |
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| 443 | } |
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| 444 | |
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| 445 | public Accumulator getTotalLoad() { |
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| 446 | return accTotalLoad_; |
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| 447 | } |
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| 448 | |
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| 449 | protected void addTotalLoad(double load) { |
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| 450 | accTotalLoad_.add(load); |
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| 451 | } |
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| 452 | |
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| 453 | private HashMap<ResourceParameterName, ResourceUnit> chooseResourcesForExecution(String resourceName, |
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| 454 | ExecTaskInterface task) { |
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| 455 | |
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| 456 | ResourceManagerInterface resourceManager = this.resourceManager; |
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| 457 | if(resourceName != null){ |
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| 458 | ComputingResource resource = null; |
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| 459 | try { |
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| 460 | resource = resourceManager.getResourceByName(resourceName); |
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| 461 | } catch (ResourceException e) { |
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| 462 | return null; |
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| 463 | } |
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| 464 | |
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| 465 | resourceManager = new ResourceManager(resource); |
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| 466 | } |
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| 467 | HashMap<ResourceParameterName, ResourceUnit> map = new HashMap<ResourceParameterName, ResourceUnit>(); |
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| 468 | |
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| 469 | List<ComputingResource> choosenResources = null; |
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| 470 | int cpuRequest; |
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| 471 | try { |
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| 472 | cpuRequest = Double.valueOf(task.getCpuCntRequest()).intValue(); |
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| 473 | } catch (NoSuchFieldException e) { |
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| 474 | cpuRequest = 1; |
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| 475 | } |
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| 476 | |
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| 477 | if (cpuRequest != 0) { |
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| 478 | List<? extends ComputingResource> processingElements = null; |
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| 479 | try { |
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| 480 | Properties properties = new Properties(); |
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| 481 | properties.setProperty("type", ResourceType.CPU.toString()); |
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| 482 | processingElements = resourceManager.filterResources(properties); |
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| 483 | } catch (Exception e) { |
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| 484 | e.printStackTrace(); |
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| 485 | } |
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| 486 | |
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| 487 | choosenResources = new ArrayList<ComputingResource>(); |
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| 488 | |
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| 489 | for (int i = 0; i < processingElements.size() && cpuRequest > 0; i++) { |
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| 490 | if (processingElements.get(i).getStatus() == ResourceStatus.FREE) { |
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| 491 | choosenResources.add(processingElements.get(i)); |
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| 492 | cpuRequest--; |
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| 493 | } |
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| 494 | } |
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| 495 | if (cpuRequest > 0) |
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| 496 | { |
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| 497 | return null; |
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| 498 | } |
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| 499 | |
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| 500 | ProcessingElements result = new ProcessingElements(ResourceManagerUtils.getCommonParent(choosenResources).getName()); |
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| 501 | result.addAll(choosenResources); |
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| 502 | map.put(ResourceParameterName.PROCESSINGELEMENTS, result); |
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| 503 | } |
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| 504 | return map; |
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| 505 | } |
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| 506 | |
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| 507 | |
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| 508 | } |
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