package org.cloudbus.cloudsim.examples.network.datacenter;
import java.io.IOException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import org.cloudbus.cloudsim.Cloudlet;
import org.cloudbus.cloudsim.DatacenterCharacteristics;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Pe;
import org.cloudbus.cloudsim.Storage;
import org.cloudbus.cloudsim.VmSchedulerTimeShared;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.network.datacenter.EdgeSwitch;
import org.cloudbus.cloudsim.network.datacenter.NetDatacenterBroker;
import org.cloudbus.cloudsim.network.datacenter.NetworkConstants;
import org.cloudbus.cloudsim.network.datacenter.NetworkDatacenter;
import org.cloudbus.cloudsim.network.datacenter.NetworkHost;
import org.cloudbus.cloudsim.network.datacenter.NetworkVm;
import org.cloudbus.cloudsim.network.datacenter.NetworkVmAllocationPolicy;
import org.cloudbus.cloudsim.provisioners.BwProvisionerSimple;
import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
public class TestExample {
/** The vmlist. */
private static List<NetworkVm> vmlist;
/**
* Creates main() to run this example.
*
* @param args
* the args
*/
public static void main(String[] args) {
Log.printLine("Starting CloudSimExample1...");
try {
int num_user = 1; // number of cloud users
Calendar calendar = Calendar.getInstance();
boolean trace_flag = false; // mean trace events
// Initialize the CloudSim library
CloudSim.init(num_user, calendar, trace_flag);
// Second step: Create Datacenters
// Datacenters are the resource providers in CloudSim. We need at
// list one of them to run a CloudSim simulation
NetworkDatacenter datacenter0 = createDatacenter("Datacenter_0");
// Third step: Create Broker
NetDatacenterBroker broker = createBroker();
broker.setLinkDC(datacenter0);
// broker.setLinkDC(datacenter0);
// Fifth step: Create one Cloudlet
vmlist = new ArrayList<NetworkVm>();
// submit vm list to the broker
broker.submitVmList(vmlist);
// Sixth step: Starts the simulation
CloudSim.startSimulation();
CloudSim.stopSimulation();
// Final step: Print results when simulation is over
List<Cloudlet> newList = broker.getCloudletReceivedList();
printCloudletList(newList);
System.out.println("numberofcloudlet " + newList.size() + " Cached "
+ NetDatacenterBroker.cachedcloudlet + " Data transfered "
+ NetworkConstants.totaldatatransfer);
Log.printLine("CloudSimExample1 finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
/**
* Creates the datacenter.
*
* @param name
* the name
*
* @return the datacenter
*/
private static NetworkDatacenter createDatacenter(String name) {
// Here are the steps needed to create a PowerDatacenter:
// 1. We need to create a list to store
// our machine
List<NetworkHost> hostList = new ArrayList<NetworkHost>();
// 2. A Machine contains one or more PEs or CPUs/Cores.
// In this example, it will have only one core.
// List<Pe> peList = new ArrayList<Pe>();
int mips = 1;
// 3. Create PEs and add these into a list.
// peList.add(new Pe(0, new PeProvisionerSimple(mips))); // need to
// store Pe id and MIPS Rating
// 4. Create Host with its id and list of PEs and add them to the list
// of machines
int ram = 2048; // host memory (MB)
long storage = 1000000; // host storage
int bw = 10000;
for (int i = 0; i < NetworkConstants.EdgeSwitchPort * NetworkConstants.AggSwitchPort
* NetworkConstants.RootSwitchPort; i++) {
// 2. A Machine contains one or more PEs or CPUs/Cores.
// In this example, it will have only one core.
// 3. Create PEs and add these into an object of PowerPeList.
List<Pe> peList = new ArrayList<Pe>();
peList.add(new Pe(0, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
peList.add(new Pe(1, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
peList.add(new Pe(2, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
peList.add(new Pe(3, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
peList.add(new Pe(4, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
peList.add(new Pe(5, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
peList.add(new Pe(6, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
peList.add(new Pe(7, new PeProvisionerSimple(mips))); // need to
// store
// PowerPe
// id and
// MIPS
// Rating
// 4. Create PowerHost with its id and list of PEs and add them to
// the list of machines
hostList.add(new NetworkHost(
i,
new RamProvisionerSimple(ram),
new BwProvisionerSimple(bw),
storage,
peList,
new VmSchedulerTimeShared(peList))); // This is our machine
}
// 5. Create a DatacenterCharacteristics object that stores the
// properties of a data center: architecture, OS, list of
// Machines, allocation policy: time- or space-shared, time zone
// and its price (G$/Pe time unit).
String arch = "x86"; // system architecture
String os = "Linux"; // operating system
String vmm = "Xen";
double time_zone = 10.0; // time zone this resource located
double cost = 3.0; // the cost of using processing in this resource
double costPerMem = 0.05; // the cost of using memory in this resource
double costPerStorage = 0.001; // the cost of using storage in this
// resource
double costPerBw = 0.0; // the cost of using bw in this resource
LinkedList<Storage> storageList = new LinkedList<Storage>(); // we are
// not
// adding
// SAN
// devices by now
DatacenterCharacteristics characteristics = new DatacenterCharacteristics(
arch,
os,
vmm,
hostList,
time_zone,
cost,
costPerMem,
costPerStorage,
costPerBw);
// 6. Finally, we need to create a NetworkDatacenter object.
NetworkDatacenter datacenter = null;
try {
datacenter = new NetworkDatacenter(
name,
characteristics,
new NetworkVmAllocationPolicy(hostList),
storageList,
0);
} catch (Exception e) {
e.printStackTrace();
}
// Create Internal Datacenter network
CreateNetwork(2, datacenter);
return datacenter;
}
// We strongly encourage users to develop their own broker policies, to
// submit vms and cloudlets according
// to the specific rules of the simulated scenario
/**
* Creates the broker.
*
* @return the datacenter broker
*/
private static NetDatacenterBroker createBroker() {
NetDatacenterBroker broker = null;
try {
broker = new NetDatacenterBroker("Broker");
} catch (Exception e) {
e.printStackTrace();
return null;
}
return broker;
}
/**
* Prints the Cloudlet objects.
*
* @param list
* list of Cloudlets
* @throws IOException
*/
private static void printCloudletList(List<Cloudlet> list) throws IOException {
int size = list.size();
Cloudlet cloudlet;
String indent = " ";
Log.printLine();
Log.printLine("========== OUTPUT ==========");
Log.printLine("Cloudlet ID" + indent + "STATUS" + indent + "Data center ID" + indent + "VM ID"
+ indent + "Time" + indent + "Start Time" + indent + "Finish Time");
DecimalFormat dft = new DecimalFormat("###.##");
for (int i = 0; i < size; i++) {
cloudlet = list.get(i);
Log.print(indent + cloudlet.getCloudletId() + indent + indent);
if (cloudlet.getCloudletStatus() == Cloudlet.SUCCESS) {
Log.print("SUCCESS");
Log.printLine(indent + indent + cloudlet.getResourceId() + indent + indent + indent
+ cloudlet.getVmId() + indent + indent + dft.format(cloudlet.getActualCPUTime())
+ indent + indent + dft.format(cloudlet.getExecStartTime()) + indent + indent
+ dft.format(cloudlet.getFinishTime()));
}
}
}
static void CreateNetwork(int numhost, NetworkDatacenter dc) {
// Edge Switch
EdgeSwitch edgeswitch[] = new EdgeSwitch[1];
for (int i = 0; i < 1; i++) {
edgeswitch[i] = new EdgeSwitch("Edge" + i, NetworkConstants.EDGE_LEVEL, dc);
// edgeswitch[i].uplinkswitches.add(null);
dc.Switchlist.put(edgeswitch[i].getId(), edgeswitch[i]);
// aggswitch[(int)
// (i/Constants.AggSwitchPort)].downlinkswitches.add(edgeswitch[i]);
}
for (Host hs : dc.getHostList()) {
NetworkHost hs1 = (NetworkHost) hs;
hs1.bandwidth = NetworkConstants.BandWidthEdgeHost;
int switchnum = (int) (hs.getId() / NetworkConstants.EdgeSwitchPort);
edgeswitch[switchnum].hostlist.put(hs.getId(), hs1);
dc.HostToSwitchid.put(hs.getId(), edgeswitch[switchnum].getId());
hs1.sw = edgeswitch[switchnum];
List<NetworkHost> hslist = hs1.sw.fintimelistHost.get(0D);
if (hslist == null) {
hslist = new ArrayList<NetworkHost>();
hs1.sw.fintimelistHost.put(0D, hslist);
}
hslist.add(hs1);
}
}
}