public static double calculateCostDesired(MSApplicationNode node, IMSProvider prov) {
double costPerStorage =
(Double) prov.getStorage().getCharacteristic().get(Constant.COST_STORAGE);
long storage = (long) node.getDesiredCharacteristic().get(Constant.STORE);
Double costS = storage * costPerStorage;
Double costPerMem = (Double) prov.getCharacteristic().get(Constant.COST_MEM);
Integer ram = (Integer) node.getDesiredCharacteristic().get(Constant.RAM);
Double costM = ram * costPerMem;
Double costPerCPU = (Double) prov.getCharacteristic().get(Constant.COST_SEC);
Integer cpu_number = (Integer) node.getDesiredCharacteristic().get(Constant.CPU_NUMBER);
Double costCPU = cpu_number * costPerCPU;
return costS + costM + costCPU;
}
private static double storageCost(MSApplicationNode node, IMSProvider prov) {
double costPerStorage =
(Double) prov.getStorage().getCharacteristic().get(Constant.COST_STORAGE);
long storage = (long) node.getStorage().getCharacteristic().get(Constant.STORE);
Double cost = storage * costPerStorage;
return cost;
}
@Override
public double evaluateGlobalPolicy(
int gene_index,
IChromosome chromos,
IMSApplication app,
IMSProvider prov,
InternetEstimator internet) {
List<MSApplicationNode> nodes = app.getNodes();
MSApplicationNode node = nodes.get(gene_index);
Double budget = (Double) node.getCharacteristic().get(Constant.BUDGET);
Double cost = calculateCost_Network(gene_index, chromos, app, prov);
((CIntegerGene) chromos.getGene(gene_index)).setAllocationCost(cost);
Double maxCost = budget;
double distance = calculateDistance_ErrHandling(cost, budget, maxCost);
return distance * getWeight();
}
private static double netCost(
int gene_index, IChromosome chromos, IMSApplication app, IMSProvider prov) {
Double costPerNet = (Double) prov.getNetwork().getCharacteristic().get(Constant.COST_BW);
Gene[] genes = chromos.getGenes();
int current_prov = (int) genes[gene_index].getAllele();
MSApplicationNode curr_node = app.getNodes().get(gene_index); // this is safe
int geneVmId = curr_node.getID();
MSApplication am = (MSApplication) app;
double cost = 0;
Set<ApplicationEdge> set = am.getEdges();
for (ApplicationEdge e : set) {
if (e.getSourceVmId() == geneVmId) {
int target_index = MSPolicy.getGeneIndexFromNodeId(e.getTargetVmId(), genes, app);
int tProvId = (int) genes[target_index].getAllele();
cost += CostComputer.computeLinkCost(e, geneVmId, current_prov, tProvId, costPerNet);
}
}
return cost;
}
@Override
public double evaluateLocalPolicy(
Gene gene, MSApplicationNode node, IMSProvider prov, InternetEstimator internet) {
Double budget = (Double) node.getCharacteristic().get(Constant.BUDGET);
Double s_maxCost = (highStorageCost * StorageConstraint.getHighStorageValue());
Double r_maxCost = (highRamCost * RamConstraint.getHighRamValue());
Double cost = calculateCost(node, prov);
((CIntegerGene) gene).setAllocationCost(cost);
Double maxCost = r_maxCost + s_maxCost;
// maxCost = (budget > maxCost) ? budget : maxCost; // the max value could be the budget
maxCost = (budget);
double distance = calculateDistance_ErrHandling(cost, budget, maxCost);
return distance * getWeight();
}
private static double cpuCost(MSApplicationNode node, IMSProvider prov) {
Double costPerCPU = (Double) prov.getCharacteristic().get(Constant.COST_SEC);
Integer cpu_number = (Integer) node.getComputing().getCharacteristic().get(Constant.CPU_NUMBER);
Double cost = cpu_number * costPerCPU;
return cost;
}
private static double ramCost(MSApplicationNode node, IMSProvider prov) {
Double costPerMem = (Double) prov.getCharacteristic().get(Constant.COST_MEM);
Integer ram = (Integer) node.getComputing().getCharacteristic().get(Constant.RAM);
Double cost = ram * costPerMem;
return cost;
}
