public static IEnumerable <Request> GetRequests(WorkerProcess wp, Filter filter = null)
{
if (wp == null)
{
throw new ArgumentNullException(nameof(wp));
}
int timeElapsed = (int?)filter?.Get <uint>("time_elapsed") ?? DEFAULT_TIME_ELASPSED;
return(wp.GetRequests(timeElapsed).Distinct(_RequestComparer));
}
public override async Task <State> Poll()
{
ServerManager server = null;
ObjectState stateResult = ObjectState.Unknown;
State state = default(State);
try
{
server = ServerManager.OpenRemote(serverInstance.Name);
if (server != null && this.Exist())
{
state = new State();
state.Url = string.Concat(this.Name, "@", serverInstance.Name);
stateResult = server.ApplicationPools[Name].State;
if (stateResult == ObjectState.Started)
{
if (server.ApplicationPools[Name].WorkerProcesses.Count > 0)
{
WorkerProcess wp = server.ApplicationPools[Name].WorkerProcesses
.Where(p => p
.AppPoolName.ToLowerInvariant() == Name.ToLowerInvariant())
.FirstOrDefault();
PerformanceCounter cpuCounter = new PerformanceCounter("Process"
, "% Processor Time"
, Process.GetProcessById(wp.ProcessId, serverInstance.Name).ProcessName
, serverInstance.Name);
cpuPercent = cpuCounter.NextValue();
await Task.Delay(2000);
cpuPercent = cpuCounter.NextValue();
await Task.Delay(30000);
//the requests interval time is now 30000
int numOfRequests = wp.GetRequests(30000).Count;
float cpuPercentAfterThirthySeconds = cpuCounter.NextValue();
if (cpuPercent >= _cpuAlertTreshold && cpuPercentAfterThirthySeconds >= _cpuAlertTreshold)
{
state.Status = "High CPU Load";
state.Description = string.Format("The CPU for app pool {0} on {1} has reach {2}% and may cause HTTP 503 errors.\r Current Number of Requests: {3}", Name, serverInstance.Name, cpuPercent, numOfRequests);
state = GetCommonState(server, state, numOfRequests);
}
else
{
state.Status = _positiveStatusCode;
}
if (!string.IsNullOrEmpty(state.Status))
{
server.Dispose();
cpuCounter.Close();
cpuCounter.Dispose();
}
}
else
{
state.Status = _positiveStatusCode;
}
return(state);
}
else
{
state.Description = stateResult == ObjectState.Started ? string.Format("The app pool on server {0} is in the following in {1} state, the number of worker processes is {2}", serverInstance.Name, stateResult.ToString(), server.ApplicationPools[Name].WorkerProcesses.Count) : "Unavailable";
state.Status = stateResult == ObjectState.Started ? _positiveStatusCode: "App Pool Not Started";
state = GetCommonState(server, state, 0);
if (stateResult == ObjectState.Stopped)
{
server.ApplicationPools[Name].Start();
state.Description += server.ApplicationPools[Name].State == ObjectState.Started ? "\rResolution: The appPool was started\r" : state.Description;
}
}
}
}
catch (Exception ex)
{
state.Status = ex.GetType().Name;
state.Description = "'polling failed with" + ex.Message;
state.Url = string.Concat(this.Name, "@", serverInstance.Name);
return(state);
}
return(state);
}
