source: DCWoRMS/branches/coolemall/src/experiments/e2dc2013/recs/plugins/scheduling/exp2/RecsLeft2RightSP.java @ 1499

package experiments.e2dc2013.recs.plugins.scheduling.exp2;

import experiments.e2dc2013.recs.plugins.scheduling.RecsSP;
import gridsim.dcworms.DCWormsTags;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.MissingResourceException;

import schedframe.events.scheduling.SchedulingEvent;
import schedframe.resources.ResourceStatus;
import schedframe.resources.StandardResourceType;
import schedframe.resources.computing.Node;
import schedframe.resources.computing.ComputingResource;
import schedframe.resources.computing.Core;
import schedframe.resources.computing.profiles.energy.airthroughput.CustomAirflowStateName;
import schedframe.resources.computing.profiles.energy.airthroughput.StandardAirflowStateName;
import schedframe.resources.devices.Device;
import schedframe.resources.devices.Fan;
import schedframe.resources.units.ProcessingElements;
import schedframe.resources.units.ResourceUnit;
import schedframe.resources.units.ResourceUnitName;
import schedframe.resources.units.StandardResourceUnitName;
import schedframe.scheduling.manager.resources.ClusterResourceManager;
import schedframe.scheduling.manager.resources.ResourceManager;
import schedframe.scheduling.manager.tasks.JobRegistry;
import schedframe.scheduling.plan.SchedulingPlanInterface;
import schedframe.scheduling.plan.impl.SchedulingPlan;
import schedframe.scheduling.plugin.ModuleList;
import schedframe.scheduling.queue.TaskQueue;
import schedframe.scheduling.queue.TaskQueueList;
import schedframe.scheduling.tasks.TaskInterface;

public class RecsLeft2RightSP extends RecsSP {

        private static int START_ID = 0;
        private static int END_ID = 17;

        public SchedulingPlanInterface<?> schedule(SchedulingEvent event, TaskQueueList queues, JobRegistry jobRegistry,
                        ResourceManager resManager, ModuleList modules) {

                ClusterResourceManager resourceManager = (ClusterResourceManager) resManager;
                SchedulingPlan plan = new SchedulingPlan();
                // choose the events types to serve.
                // Different actions for different events are possible.
                switch (event.getType()) {
                case START_TASK_EXECUTION:
                case TASK_FINISHED:
                        // case TIMER:
                        // our tasks are placed only in first queue (see
                        // BaseLocalSchedulingPlugin.placeJobsInQueues() method)
                        TaskQueue q = queues.get(0);

                        List<Node> notSelectedNodes = resourceManager.getNodes();
                        // check all tasks in queue
                        for (int i = 0; i < q.size(); i++) {
                                TaskInterface<?> task = q.get(i);
                                // if status of the tasks in READY
                                if (task.getStatus() == DCWormsTags.READY) {
                                        Node node = chooseProvider(resourceManager, task);
                                        if (node != null) {
                                                for(Device device: node.getParent().getResourceCharacteristic().getDevices()){
                                                        
                                                        if(device.getType().equals(StandardResourceType.Fan)){
                                                                Fan fan = (Fan) device;

                                                                if(fan.getChilledResources().contains(node.getFullName())){
                                                                        fan.getAirflowInterface().setAirflowState(StandardAirflowStateName.ON);
                                                                }
                                                        }
                                                }
                                                //node.getAirflowInterface().setAirflowState(StandardAirflowStateName.ON);
                                                notSelectedNodes.remove(node);
                                                addToSchedulingPlan(plan, task, chooseResourcesForExecution(node, task));
                                        }
                                }
                        }
                        adjustOtherFans(notSelectedNodes);
                        break;
                }
                return plan;
        }

        private Node chooseProvider(ClusterResourceManager resourceManager, TaskInterface<?> task) {
                List<Node> nodes = filterNodes(resourceManager.getNodes(), task);
                Collections.sort(nodes, new ResourceIdComparator());
                for (Node node : nodes) {
                        Integer id = Integer.parseInt(node.getName().split("_")[1]);
                        if ((id >= START_ID && id <= END_ID)) {
                                return node;
                        }

                }

                return null;
        }

        private Map<ResourceUnitName, ResourceUnit> chooseResourcesForExecution(Node node, TaskInterface<?> task) {

                Map<ResourceUnitName, ResourceUnit> map = new HashMap<ResourceUnitName, ResourceUnit>();

                int cpuRequest;
                try {
                        cpuRequest = Double.valueOf(task.getCpuCntRequest()).intValue();
                } catch (NoSuchFieldException e) {
                        cpuRequest = 0;
                }

                if (cpuRequest != 0) {

                        List<Core> cores = node.getProcessors().get(0).getCores();

                        List<ComputingResource> choosenResources = new ArrayList<ComputingResource>();
                        for (int i = 0; i < cores.size(); i++) {
                                if (cores.get(i).getStatus() == ResourceStatus.FREE) {
                                        // choosenResources.add(cores.get(i));
                                        cpuRequest--;
                                }
                        }
                        if (cpuRequest > 0) {
                                // return null;
                        }
                        choosenResources.add(node.getProcessors().get(0));
                        ProcessingElements pe = new ProcessingElements();
                        pe.addAll(choosenResources);
                        map.put(StandardResourceUnitName.PE, pe);
                        return map;
                }
                return null;
        }

        private List<Node> filterNodes(List<Node> nodes, TaskInterface<?> task) {
                List<Node> filteredNodes = new ArrayList<Node>();
                for (Node node : nodes) {
                        int cpuRequest;
                        try {
                                cpuRequest = Double.valueOf(task.getCpuCntRequest()).intValue();
                        } catch (NoSuchFieldException e) {
                                cpuRequest = 0;
                        }

                        if (cpuRequest != 0) {

                                List<Core> cores = node.getProcessors().get(0).getCores();
                                if (cores.size() < cpuRequest) {
                                        continue;
                                }

                                int freeCores = 0;
                                for (Core core : cores) {
                                        if (core.getStatus() == ResourceStatus.FREE)
                                                freeCores++;
                                }

                                if (freeCores != cores.size())
                                        continue;

                                try {
                                        if (!getExecutiveness(createExecutivenessQuery(task, node)))
                                                continue;
                                } catch (FileNotFoundException e) {
                                        continue;
                                } catch (IOException e) {
                                        continue;
                                } catch (MissingResourceException e) {
                                        continue;
                                }
                                filteredNodes.add(node);
                        }
                }

                return filteredNodes;
        }

        private void adjustOtherFans(List<Node> nodes) {
                for (Node node : nodes) {
                        if (node.getFreeProcessorsNumber() == node.getProcessorsNumber()) {
                                // node.getAirThroughputInterface().setAirThroughputState(StandardAirThroughputStateName.FAN_OFF);
                        } else {
                                for(Device device: node.getParent().getResourceCharacteristic().getDevices()){
                                        
                                        if(device.getType().equals(StandardResourceType.Fan)){
                                                Fan fan = (Fan) device;

                                                if(fan.getChilledResources().contains(node.getFullName())){
                                                        fan.getAirflowInterface().setAirflowState(StandardAirflowStateName.ON);
                                                }
                                        }
                                }
                                //node.getAirflowInterface().setAirflowState(StandardAirflowStateName.ON);
                        }
                }
        }

        class ResourceIdComparator implements Comparator<Node> {

                public int compare(Node node1, Node node2) {
                        Integer id1 = Integer.parseInt(node1.getName().split("_")[1]);
                        Integer id2 = Integer.parseInt(node2.getName().split("_")[1]);
                        if (id1 % 9 > id2 % 9)
                                return 1;
                        else if (id1 % 9 < id2 % 9)
                                return -1;
                        else
                                return 0;

                }
        }

}