public static double GetPercentFreeMemory()
{
Int64 phav = PerformanceInfo.GetPhysicalAvailableMemoryInMiB();
Int64 tot = PerformanceInfo.GetTotalMemoryInMiB();
return((double)(((decimal)phav / (decimal)tot) * 100));
}
public string GetResponseForMode(Mode myMode)
{
if (readAgentStatusFromConfig)
{
if (DateTime.Compare(lastExecutionTime.AddSeconds(readAgentStatusFromConfigInterval), DateTime.Now) <= 0 || DateTime.Compare(lastExecutionTime, DateTime.MinValue) == 0)
{
ReadConfiguration();
lastExecutionTime = DateTime.Now;
if (agentStatus.ToLower().Equals("normal"))
{
myMode = Mode.Normal;
}
if (agentStatus.ToLower().Equals("down"))
{
myMode = Mode.Halt;
}
if (agentStatus.ToLower().Equals("drain"))
{
myMode = Mode.Drain;
}
}
}
string Response = "";
switch (myMode)
{
case Mode.Normal:
double cpuLoad = GetCPULoad();
double cpuFree = 100 - cpuLoad;
double ramOccupied = PerformanceInfo.GetPercentOccupiedMemory();
double ramFree = 100 - ramOccupied;
int divider = 0;
double utilization = 0.0;
// If any resource is important and utilized 100% then everything else is not important
if ((cpuLoad > cpuThresholdValue && cpuThresholdValue > 0) || (ramOccupied > ramThresholdValue && ramThresholdValue > 0))
{
Response = "0%\n"; break;
}
utilization = utilization + cpuLoad * cpuImportance;
if (cpuImportance > 0)
{
divider++;
}
utilization = utilization + ramOccupied * ramImportance;
if (ramImportance > 0)
{
divider++;
}
foreach (TCPService myTCPService in myTCPServices)
{
double sessionOccupied = GetSessionsUtilized(myTCPService.serviceIPAddress, myTCPService.servicePort, myTCPService.serviceMaxConnections);
utilization = utilization + sessionOccupied * myTCPService.serviceImportance;
if (myTCPService.serviceImportance > 0)
{
divider++;
}
if (sessionOccupied > 99 && myTCPService.serviceImportance == 1)
{
Response = "0%\n"; break;
}
}
utilization = utilization / divider;
if (utilization < 0)
{
utilization = 0;
}
if (utilization > 100)
{
utilization = 100;
}
if (ReturnIdle)
{
Response = (100 - (int)utilization).ToString() + "%\n";
}
else
{
Response = ((int)utilization).ToString() + "%\n";
}
return(Response);
case Mode.Halt:
Response = "down\n";
break;
case Mode.Drain:
Response = "drain\n";
break;
default:
Response = string.Empty;
break;
}
return(Response);
}