private string GetW3pInstanceName()
{
var result = string.Empty;
var iisPoolPid = ProcessHelper.GetIisProcessId(Settings.PoolName);
if (!ProcessHelper.IsPoolAlive(iisPoolPid))
{
Logger.InfoFormat("Waiting of pool activation. Pool name: {0}", Settings.PoolName);
}
//it's necessary to write zero value to influx by Metrics.Write
//I suppose it's issue of InfluxDB.Collector
double zeroUsage = 0;
while (!ProcessHelper.IsPoolAlive(iisPoolPid))
{
PauseOrStartEvent.WaitOne();
DbManager.WriteMetricsValue("cpu", zeroUsage);
DbManager.WriteMetricsValue("memory_usage", zeroUsage);
Thread.Sleep(Settings.ReadingInterval * 2);
iisPoolPid = ProcessHelper.GetIisProcessId(Settings.PoolName);
}
result = ProcessHelper.GetInstanceNameForProcessId(iisPoolPid);
Logger.InfoFormat("Pool'{0}' is active.", Settings.PoolName);
return(result);
}
public override void Start()
{
Logger.InfoFormat("Started process metrics reading (for the pool {0})", Settings.PoolName);
while (true)
{
PauseOrStartEvent.WaitOne();
try
{
SaveMetrics();
}
catch (InvalidOperationException ex)
{
Logger.Error("Presumably go to sleep. Detail: {0}", ex);
}
catch (Exception ex)
{
Logger.Error("Error: {0}", ex);
}
}
}
private void SaveMetrics()
{
InstanceName = GetW3pInstanceName();
var counters = MetricsConfigManager.ReadMetricsConfig()
.ProccessMetricsConfig
.Select(c => new MeasurementData
{
Measurement = c.Measurement,
Counter = new PerformanceCounter
{
CategoryName = c.CategoryName,
CounterName = c.CounterName,
InstanceName = InstanceName
}
})
.ToList();
try
{
while (true)
{
PauseOrStartEvent.WaitOne();
if (ReloadConfigIndicator.GetAndResetProcessCollectorFlag())
{
throw new Exception("Перезугрузка конфигурации ProcessCOllector'a.");
}
counters.ForEach(WriteRecord);
Thread.Sleep(Settings.ReadingInterval);
}
}
finally
{
counters.ForEach(c =>
{
if (c.Counter != null)
{
c.Counter.Dispose();
}
});
}
}