public static void main(String[] args) {
try {
Log.disable();
// First step: Initialize the WorkflowSim package.
/** Should change this based on real physical path */
String daxPath = "E:\\PhD\\ComplexCloudSim\\config\\dax\\Montage_1000.xml";
File daxFile = new File(daxPath);
if (!daxFile.exists()) {
Log.printLine(
"Warning: Please replace daxPath with the physical path in your working environment!");
return;
}
Parameters.PlanningAlgorithm pln_method = Parameters.PlanningAlgorithm.INVALID;
ReplicaCatalog.FileSystem file_system = ReplicaCatalog.FileSystem.SHARED;
OverheadParameters op = new OverheadParameters(0, null, null, null, null, 0);
ClusteringParameters.ClusteringMethod method = ClusteringParameters.ClusteringMethod.NONE;
ClusteringParameters cp = new ClusteringParameters(0, 0, method, null);
// For each scheduling algorithm (FCFS,RR,MinMin,MaxMin), run 100 times
for (int sche = 0; sche < 4; sche++) {
Parameters.SchedulingAlgorithm sch_method;
switch (sche) {
case 0:
sch_method = Parameters.SchedulingAlgorithm.FCFS;
break;
case 1:
sch_method = Parameters.SchedulingAlgorithm.ROUNDROBIN;
break;
case 2:
sch_method = Parameters.SchedulingAlgorithm.MINMIN;
break;
case 3:
sch_method = Parameters.SchedulingAlgorithm.MAXMIN;
break;
default:
sch_method = Parameters.SchedulingAlgorithm.FCFS;
}
for (int runs = 0; runs < numRuns; runs++) {
Parameters.init(numVMs, daxPath, null, null, op, cp, sch_method, pln_method, null, 0);
ReplicaCatalog.init(file_system);
// before creating any entities.
int num_user = 1; // number of grid users
Calendar calendar = Calendar.getInstance();
boolean trace_flag = false; // mean trace events
// Initialize the CloudSim library
CloudSim.init(num_user, calendar, trace_flag);
ComplexDatacenter datacenter0 = createDatacenter("Datacenter_0");
/** Create a WorkflowPlanner with one schedulers. */
WorkflowPlanner wfPlanner = new WorkflowPlanner("planner_0", 1);
/** Create a WorkflowEngine. */
WorkflowEngine wfEngine = wfPlanner.getWorkflowEngine();
/**
* Create a list of VMs.The userId of a vm is basically the id of the scheduler that
* controls this vm.
*/
List<ComplexVM> vmlist0 = createVM(wfEngine.getSchedulerId(0));
/** Submits this list of vms to this WorkflowEngine. */
wfEngine.submitVmList(vmlist0, 0);
/** Binds the data centers with the scheduler. */
wfEngine.bindSchedulerDatacenter(datacenter0.getId(), 0);
CloudSim.startSimulation();
List<Job> outputList0 = wfEngine.getJobsReceivedList();
CloudSim.stopSimulation();
switch (sche) {
case 0:
FCFSResult[runs] = wfEngine.getWorkflowFinishTime();
break;
case 1:
RoundRobinResult[runs] = wfEngine.getWorkflowFinishTime();
break;
case 2:
MinMinResult[runs] = wfEngine.getWorkflowFinishTime();
break;
case 3:
MaxMinResult[runs] = wfEngine.getWorkflowFinishTime();
break;
default:
FCFSResult[runs] = wfEngine.getWorkflowFinishTime();
break;
}
}
Log.enable();
Log.printLine(
"------ "
+ numVMs
+ " VMs "
+ numRuns
+ " Runs with Damage Ratio "
+ damageRatio
+ "------");
Log.printLine(">> FCFS");
printResult(FCFSResult);
Log.printLine(">> RoundRobin");
printResult(RoundRobinResult);
Log.printLine(">> MinMin");
printResult(MinMinResult);
Log.printLine(">> MaxMin");
printResult(MaxMinResult);
}
} catch (Exception e) {
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
