public override Bid GetWinnerBid()
{
if (Bids.Count == 0)
{
return(null);
}
else
{
//Steps
//1 : I only send push requests that are valid
//2 : Find all containers migration costs average
var avgCost =
Bids.Select(x => x.ContainerId).Select(x => Containers[x].MigrationCost).Average();
var NewBids = Bids.Where(x => Containers[x.ContainerId].MigrationCost >= avgCost).ToList();
ForsmanBid winner = NewBids.First();
var lds = ToBeHostLoadInfos(NewBids[0].BiddingHost, NewBids[0].NewLoadInfo);
var bentropy = AccountingHelpers.CalculateEntropy(lds);
//3: Find the new entropy after migration
for (int i = 1; i < NewBids.Count; i++)
{
lds = ToBeHostLoadInfos(NewBids[i].BiddingHost, NewBids[i].NewLoadInfo);
var entropy = AccountingHelpers.CalculateEntropy(lds);
if (entropy > bentropy)
{
bentropy = entropy;
winner = NewBids[i];
}
}
return(winner);
}
}
public void ReadCurrentState()
{
lock (_lock)
{
List <HostLoadInfo> loads = GetLoadList(false);
List <HostLoadInfo> predictedLoads = GetLoadList(true);
double neededtAvg = CalculateVolumeAverage(loads);
double min = CalculateNeededVolumeMin(loads);
double max = CalculateNeededVolumeMax(loads);
double predictedAvg = CalculateVolumeAverage(predictedLoads);
CalculateOutOfBoundHosts(out int underUtilized, out int overUtilizedHosts, out int normal, out int evacuating);
int slaViolationsCount = CalculateSlaViolationsCount();
double slaViolationPercent = CalculateSlaViolationsPercent();
double imagePulls = _currentRequests[MessageTypes.ImagePullRequest];
var mvalues = new MeasuresValues(
_currentRequests[MessageTypes.PushRequest],
_currentRequests[MessageTypes.PullRequest],
CalculateIdealHostsCount(loads),
loads.Count,
_currentRequests[MessageTypes.MigrateContainerRequest],
_currentRequests.Values.Sum(),
AccountingHelpers.CalculateEntropy(loads),
AccountingHelpers.CalculateEntropy(predictedLoads),
_currentRequests[MessageTypes.PushLoadAvailabilityRequest],
_currentRequests[MessageTypes.PullLoadAvailabilityRequest], neededtAvg, predictedAvg,
min,
max,
underUtilized,
overUtilizedHosts,
normal,
evacuating,
slaViolationsCount,
slaViolationPercent,
loads.PowerConsumption(),
loads.StandardDeviation(),
imagePulls,
communicatedSize
);
MeasureHolder.HostMeasureValuesList.Add(new HostMeasureValues(loads));
MeasureHolder.MeasuredValuesList.Add(mvalues);
//Debug.WriteLine($"Communicated Size = {communicatedSize}");
//Debug.WriteLine($"Total Data = {MeasureHolder.HostMeasureValueList.Last().AverageDataTotal}");
ClearInformation();
}
}