/** Creates main() to run this example */
public static void main(String[] args) {
Log.printLine("Starting NetworkExample3...");
try {
// First step: Initialize the CloudSim package. It should be called
// before creating any entities.
int num_user = 2; // 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
Datacenter datacenter0 = createDatacenter("Datacenter_0");
Datacenter datacenter1 = createDatacenter("Datacenter_1");
// Third step: Create Brokers
DatacenterBroker broker1 = createBroker(1);
int brokerId1 = broker1.getId();
DatacenterBroker broker2 = createBroker(2);
int brokerId2 = broker2.getId();
// Fourth step: Create one virtual machine for each broker/user
vmlist1 = new ArrayList<Vm>();
vmlist2 = new ArrayList<Vm>();
// VM description
int vmid = 0;
long size = 10000; // image size (MB)
int mips = 250;
int ram = 512; // vm memory (MB)
long bw = 1000;
int pesNumber = 1; // number of cpus
String vmm = "Xen"; // VMM name
// create two VMs: the first one belongs to user1
Vm vm1 =
new Vm(
vmid,
brokerId1,
mips,
pesNumber,
ram,
bw,
size,
vmm,
new CloudletSchedulerTimeShared());
// the second VM: this one belongs to user2
Vm vm2 =
new Vm(
vmid,
brokerId2,
mips,
pesNumber,
ram,
bw,
size,
vmm,
new CloudletSchedulerTimeShared());
// add the VMs to the vmlists
vmlist1.add(vm1);
vmlist2.add(vm2);
// submit vm list to the broker
broker1.submitVmList(vmlist1);
broker2.submitVmList(vmlist2);
// Fifth step: Create two Cloudlets
cloudletList1 = new ArrayList<Cloudlet>();
cloudletList2 = new ArrayList<Cloudlet>();
// Cloudlet properties
int id = 0;
long length = 40000;
long fileSize = 300;
long outputSize = 300;
UtilizationModel utilizationModel = new UtilizationModelFull();
Cloudlet cloudlet1 =
new Cloudlet(
id,
length,
pesNumber,
fileSize,
outputSize,
utilizationModel,
utilizationModel,
utilizationModel);
cloudlet1.setUserId(brokerId1);
Cloudlet cloudlet2 =
new Cloudlet(
id,
length,
pesNumber,
fileSize,
outputSize,
utilizationModel,
utilizationModel,
utilizationModel);
cloudlet2.setUserId(brokerId2);
// add the cloudlets to the lists: each cloudlet belongs to one user
cloudletList1.add(cloudlet1);
cloudletList2.add(cloudlet2);
// submit cloudlet list to the brokers
broker1.submitCloudletList(cloudletList1);
broker2.submitCloudletList(cloudletList2);
// Sixth step: configure network
// load the network topology file
NetworkTopology.buildNetworkTopology("topology.brite");
// maps CloudSim entities to BRITE entities
// Datacenter0 will correspond to BRITE node 0
int briteNode = 0;
NetworkTopology.mapNode(datacenter0.getId(), briteNode);
// Datacenter1 will correspond to BRITE node 2
briteNode = 2;
NetworkTopology.mapNode(datacenter1.getId(), briteNode);
// Broker1 will correspond to BRITE node 3
briteNode = 3;
NetworkTopology.mapNode(broker1.getId(), briteNode);
// Broker2 will correspond to BRITE node 4
briteNode = 4;
NetworkTopology.mapNode(broker2.getId(), briteNode);
// Sixth step: Starts the simulation
CloudSim.startSimulation();
// Final step: Print results when simulation is over
List<Cloudlet> newList1 = broker1.getCloudletReceivedList();
List<Cloudlet> newList2 = broker2.getCloudletReceivedList();
CloudSim.stopSimulation();
Log.print("=============> User " + brokerId1 + " ");
printCloudletList(newList1);
Log.print("=============> User " + brokerId2 + " ");
printCloudletList(newList2);
// Print the debt of each user to each datacenter
datacenter0.printDebts();
datacenter1.printDebts();
Log.printLine("NetworkExample3 finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
