/// <summary>
/// Implement Ordering and In Order Proping Limit
/// SelfNote: Cannot remember this function
/// </summary>
/// <param name="state"></param>
/// <param name="senderId"></param>
/// <returns></returns>
public List <int> GetCandidateHosts(UtilizationStates state, int senderId)
{
lock (_lock)
{
var initial = _utilization
.Where(x => x.Value == state && x.Key != senderId)
.Select(x => x.Key)
.ToList();
var result = new Dictionary <int, int>();
Random rand = new Random();
for (int i = 0; i < initial.Count; i++)
{
int r = rand.Next(0, 100000);
if (result.ContainsKey(r))
{
i--;
}
else
{
result.Add(r, initial[i]);
}
}
return(result.OrderBy(x => x.Key).Select(x => x.Value).ToList());
//return initial;
}
}
public void SetUtilization(int id, UtilizationStates state)
{
lock (_lock)
{
_utilization[id] = state;
}
}
protected override void TryToChangeSystemState(UtilizationStates hostState)
{
if (hostState == UtilizationStates.OverUtilization)
{
SendPushRequest();
}
else if (hostState == UtilizationStates.UnderUtilization)
{
SendPullRequest();
}
}
protected override void TryToChangeSystemState(UtilizationStates hostState)
{
if (hostState == UtilizationStates.OverUtilization && _currentActionType == StrategyActionType.PushAction)
{
SendPushRequest();
}
else if (hostState == UtilizationStates.UnderUtilization && _currentActionType == StrategyActionType.PullAction)
{
SendPullRequest();
}
}
/// <summary>
/// Should Indicate the load of the host to be either High, Normal or Under
/// Use Only CPU Time
/// </summary>
/// <returns></returns>
public UtilizationStates CalculateTotalUtilizationState(double min, double max)
{
UtilizationStates cpu = GetFloatState(Volume, min, max);
return(cpu);
}
public HostStateChange(int target, int sender, UtilizationStates state, double volume) :
base(target, sender, MessageTypes.UtilizationStateChange)
{
State = state;
Volume = volume;
}
private void ReportUtilizationStateChange(UtilizationStates hoststate, double util)
{
HostStateChange change = new HostStateChange(0, this.MachineId, hoststate, util);
_networkCard.SendMessage(change);
}
protected abstract void TryToChangeSystemState(UtilizationStates hostState);
