tormakris/edgecloudsim
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code refactoring and improvements

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* saving log for each app type support
* colt library is used for poisson distribution
* Setting file structure is updated
* some bug fixes are applied
* new abstract functions are added to network manager for another
experimental study
This commit is contained in:
Cagatay Sonmez
2017-06-19 22:40:15 +03:00
parent 22b654d719
commit 138adb8f32
12 changed files with 618 additions and 360 deletions
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10
src/edu/boun/edgecloudsim/mobility/NomadicMobility.java
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@@ -17,6 +17,7 @@ import java.util.List;
import java.util.TreeMap;
import java.util.Map.Entry;
import org.apache.commons.math3.distribution.ExponentialDistribution;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
@@ -24,7 +25,6 @@ import org.w3c.dom.NodeList;
import edu.boun.edgecloudsim.core.SimSettings;
import edu.boun.edgecloudsim.utils.Location;
import edu.boun.edgecloudsim.utils.PoissonDistr;
import edu.boun.edgecloudsim.utils.SimLogger;
import edu.boun.edgecloudsim.utils.SimUtils;
@@ -40,7 +40,7 @@ public class NomadicMobility extends MobilityModel {
public void initialize() {
treeMapArray = new ArrayList<TreeMap<Double, Location>>();
PoissonDistr[] poissonRngList = new PoissonDistr[SimSettings.getInstance().getNumOfEdgeDatacenters()];
ExponentialDistribution[] expRngList = new ExponentialDistribution[SimSettings.getInstance().getNumOfEdgeDatacenters()];
//create random number generator for each place
Document doc = SimSettings.getInstance().getEdgeDevicesDocument();
@@ -52,7 +52,7 @@ public class NomadicMobility extends MobilityModel {
String attractiveness = location.getElementsByTagName("attractiveness").item(0).getTextContent();
SimSettings.PLACE_TYPES placeType = SimUtils.stringToPlace(attractiveness);
poissonRngList[i] = new PoissonDistr(SimSettings.getInstance().getMobilityLookUpTable()[placeType.ordinal()]);
expRngList[i] = new ExponentialDistribution(SimSettings.getInstance().getMobilityLookUpTable()[placeType.ordinal()]);
}
//initialize tree maps and position of mobile devices
@@ -79,7 +79,7 @@ public class NomadicMobility extends MobilityModel {
while(treeMap.lastKey() < SimSettings.getInstance().getSimulationTime()) {
boolean placeFound = false;
int currentLocationId = treeMap.lastEntry().getValue().getServingWlanId();
double waitingTime = poissonRngList[currentLocationId].sample() * 60;
double waitingTime = expRngList[currentLocationId].sample();
while(placeFound == false){
int newDatacenterId = SimUtils.getRandomNumber(0,SimSettings.getInstance().getNumOfEdgeDatacenters()-1);
@@ -95,7 +95,7 @@ public class NomadicMobility extends MobilityModel {
int y_pos = Integer.parseInt(location.getElementsByTagName("y_pos").item(0).getTextContent());
treeMap.put(treeMap.lastKey()+waitingTime, new Location(placeType, wlan_id, x_pos, y_pos));
}
}
}
if(!placeFound){
SimLogger.printLine("impossible is occured! location cannot be assigned to the device!");