source: DCWoRMS/branches/coolemall/src/simulator/EventManager.java @ 1447

package simulator;

import eduni.simjava.Sim_event;
import eduni.simjava.Sim_system;
import gridsim.GridSim;
import gridsim.GridSimCore;
import gridsim.GridSimTags;
import gridsim.dcworms.DCWormsTags;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Properties;

import schedframe.Initializable;
import schedframe.SimulatedEnvironment;
import schedframe.events.ResourceEventCommand;
import schedframe.exceptions.ModuleException;
import schedframe.exceptions.ResourceException;
import schedframe.resources.ResourceType;
import schedframe.resources.computing.ComputingResource;
import schedframe.resources.computing.profiles.energy.ResourceEvent;
import schedframe.scheduling.Scheduler;
import schedframe.scheduling.plugin.Module;
import schedframe.scheduling.plugin.ModuleType;

public class EventManager extends GridSimCore implements Module{

        protected SimulatedEnvironment simEnv;
        
        public EventManager(String name, SimulatedEnvironment resourceController) throws Exception {
                super(name, 1);
                this.simEnv = resourceController;
                
                Integer schedulerIdObj = new Integer(get_id());
                List<Integer> schedRes = GridSim.getGridResourceList();
                schedRes.add(schedulerIdObj);
        }

        public void body() {
                
                for(Initializable initObj: simEnv.getToInit()){
                        initObj.initiate();
                }
                simEnv.setInitList(null);
                
                // Process events until END_OF_SIMULATION is received from the
                // GridSimShutdown Entity
                Sim_event ev = new Sim_event();
                sim_get_next(ev);
                boolean run = true;
                while (Sim_system.running()  && run) {
                        // sim_get_next(ev);
                        // if the simulation finishes then exit the loop
                        if (ev.get_tag() == GridSimTags.END_OF_SIMULATION) {
                                // managemetnSystem_.setEndSimulation();
                                run = false;
                                break;
                        }
                        
                        // process the received event
                        processRequest(ev);
                        sim_get_next(ev);
                }
        }
        
        protected void processRequest(Sim_event ev) {
                switch (ev.get_tag()) {

                case DCWormsTags.TO_RESOURCES:
                        sendToResources(ev);
                        break;

                case DCWormsTags.TO_SCHEDULERS:
                        //super.send((Integer)ev.get_data(), 0, DCWormsTags.PHASE_CHANGED, null);
                        break;

                default:
                        break;
                }
        }
        
        public void send(String entityName, double delay, int tag, Object data){
                super.send(entityName, delay, tag, data);
        }
        
        public void send(int destId, double delay, int tag){
                super.send(destId, delay, tag);
        }
        
        public void send(int destId, double delay, int tag, Object data){
                super.send(destId, delay, tag, data);
        }
        
        public void init(Properties properties) throws ModuleException {
        }

        public void sendToAllSchedulers(double delay, int tag, Object data){
                List<Scheduler> allSchedulers =  new ArrayList<Scheduler>();
                if (simEnv.getScheduler().getChildren() != null) {
                        LinkedList<Scheduler> toExamine = new LinkedList<Scheduler>();
                        toExamine.push(simEnv.getScheduler());
                        allSchedulers.add(simEnv.getScheduler());

                        while (!toExamine.isEmpty()) {
                                Scheduler scheduler = toExamine.pop();
                                List<Scheduler> schedulers = scheduler.getChildren();
                                int numberOfSched = schedulers.size();
                                for (int i = 0; i < numberOfSched; i++) {
                                        Scheduler schedulerChild = schedulers.get(i);
                                        toExamine.addLast(schedulerChild);
                                        allSchedulers.add(schedulerChild);
                                }
                        }
                }
                
                for(Scheduler scheduler: allSchedulers){
                        //sendInternal(delay, DCWormsTags.TO_SCHEDULERS, scheduler.get_id());
                        super.send(scheduler.get_id(), delay, tag, data);
                }
        }
        
        public void sendToResources(ResourceType type, double delay, ResourceEvent event){
                List<ComputingResource> computingResources = new ArrayList<ComputingResource>();

                if (simEnv.getComputingResources() != null) {
                        for(ComputingResource compRes: simEnv.getComputingResources()){
                                computingResources.addAll(compRes.getDescendantsByType(type));
                        }
                }
                sendInternal(delay, DCWormsTags.TO_RESOURCES, new ResourceBroadcastOrder(computingResources, event));
        }
        
        public void sendToAllResources(double delay, ResourceEvent event){
                List<ComputingResource> computingResources = new ArrayList<ComputingResource>();

                if (simEnv.getComputingResources() != null) {
                        LinkedList<ComputingResource> toExamine = new LinkedList<ComputingResource>();
                        for(ComputingResource compRes: simEnv.getComputingResources()){
                                toExamine.push(compRes);
                                computingResources.add(compRes);
                        }

                        while (!toExamine.isEmpty()) {
                                ComputingResource resource = toExamine.pop();
                                List<ComputingResource> resources = resource.getChildren();
                                int numberOfRes = resources.size();
                                for (int i = 0; i < numberOfRes; i++) {
                                        ComputingResource resourceChild = resources.get(i);
                                        toExamine.addLast(resourceChild);
                                        computingResources.add(resourceChild);
                                }
                        }
                }
                sendInternal(delay, DCWormsTags.TO_RESOURCES, new ResourceBroadcastOrder(computingResources, event));
        }

        public void sendToResource(String resourceName, double delay, ResourceEvent event){
                List<ComputingResource> computingResources = new ArrayList<ComputingResource>();

                try {
                        computingResources.add(SimulatedEnvironment.getComputingResourceByName(resourceName));
                } catch (ResourceException e) {

                }
                sendInternal(delay, DCWormsTags.TO_RESOURCES, new ResourceBroadcastOrder(computingResources, event));
        }
        
        private void sendToResources(Sim_event ev){
                ResourceEventCommand rec;
                
                ResourceBroadcastOrder rbo = (ResourceBroadcastOrder)ev.get_data();
                List<ComputingResource> computingResources = rbo.getComputingResources();
                ResourceEvent event = rbo.getEvent();
                for(ComputingResource compRes: computingResources){
                        rec = new ResourceEventCommand(compRes);
                        rec.execute(event);
                }
        }
        
        public void sendInternal(double delay, int tag, Object data) {
                this.send(this.get_id(), delay, tag, data);
        }
        
        public void sendTo(List<String> ids){
        }
        
        public void dispose() throws ModuleException {
        }

        public ModuleType getType() {
                return ModuleType.EVENT_MANAGER;
        }

}

class ResourceBroadcastOrder {

        private List<ComputingResource> computingResources;
        private ResourceEvent event;
        
        public ResourceBroadcastOrder(List<ComputingResource> computingResources, ResourceEvent event) {
                this.computingResources = computingResources;
                this.event = event;
        }

        public List<ComputingResource> getComputingResources() {
                return computingResources;
        }

        public ResourceEvent getEvent() {
                return event;
        }
}