public static String chooseService2Call(Configuration _config, int clientID) {
Random rand = new Random();
String service = _config.getServicesNames().get(rand.nextInt(_config.getServicesNumber() - 1));
return service;
}
public static int findHostID(Configuration config, String hostName) {
int id = -1;
for (int i = 0; i < config.getHostNames().size(); i++) {
if (config.getHostNames().get(i).equals(hostName)) return i;
}
return id;
}
public static int[][] findRequestPattern(Configuration _config) {
// Moving Average
int[][] r =
new int[_config.getProvidersNumber()]
[_config.getServicesNumber()]; // requests per service provider
for (int j = 0; j < _config.getProvidersNumber(); j++)
for (int s = 0; s < _config.getServicesNumber(); s++) {
r[j][s] = 100 * (j + 1) / (s + 1);
}
System.out.println("Method Call: Find Request Pattern Called");
return r;
}
public static List<VMRequest> vmRequests2ActivateThisSlot(
int slot, Slot[] _slots, Configuration _config) {
List<VMRequest> vmRequests2ActivateThisSlot = new ArrayList<>();
// Step 1: Find RequestIDs to remove
for (int i = 0; i < _config.getProvidersNumber(); i++) {
for (int j = 0; j < _slots[slot].getVmRequests2Remove()[i].size(); j++) {
vmRequests2ActivateThisSlot.add(_slots[slot].getVmRequests2Activate()[i].get(j));
}
}
return vmRequests2ActivateThisSlot;
}
public static int determineVMService(int providerID, Configuration _config) {
int type = Utilities.randInt(0, _config.getServicesNames().size() - 1);
return type;
}
