private MetricRetriever GetMetricRetriever(string category, string names, string instance)
{
string logstr =
string.Format(
"Category:{0} - Instance:{1} - counter:{2}",
category, instance, names);
try
{
var metricRetriver = new MetricRetriever();
metricRetriver.Counters = new List <PerformanceCounter>();
string[] counterList = names.Split(',');
foreach (string ctr in counterList)
{
metricRetriver.Counters.Add(new PerformanceCounter(category, ctr.Trim(), instance));
}
Logger.Info("Added Performance COUNTER : {0}", logstr);
return(metricRetriver);
}
catch (Exception exp)
{
Logger.Error("Got exception : {0}, while adding performance counter: {1}", exp, logstr);
return(null);
}
}
public override bool Refresh()
{
try
{
if (MetricRetrievers == null)
{
MetricRetrievers = new List <MetricRetriever>();
}
if (CounterInstance != null && CounterInstance == "*")
{
var cat = new PerformanceCounterCategory(CounterCategory);
string[] instances = cat.GetInstanceNames();
foreach (string instance in instances)
{
if (!ExistInstance(instance))
{
MetricRetriever metricRetriver = GetMetricRetriever(CounterCategory, CounterName, instance);
if (metricRetriver == null)
{
return(false);
}
// Replace collectd_plugin_instance with the Instance got from counter
metricRetriver.Instance = instance;
MetricRetrievers.Add(metricRetriver);
}
}
}
else if (MetricRetrievers.Count == 0)
{
MetricRetriever metricRetriver = GetMetricRetriever(CounterCategory, CounterName, CounterInstance);
if (metricRetriver == null)
{
return(false);
}
MetricRetrievers.Add(metricRetriver);
}
}
catch (Exception exp)
{
Logger.Error("Got exception : {0} in Refresh(), CounterCategory: {1}, CounterName: {2}, CounterInstance: {3}", exp, CounterCategory, CounterName, CounterInstance);
return(false);
}
return(true);
}
private MetricRetriever GetMetricRetriever(string category, string names, string instance)
{
string logstr =
string.Format(
"Category:{0} - Instance:{1} - counter:{2}",
category, instance, names);
try
{
var metricRetriver = new MetricRetriever();
metricRetriver.Counters = new List<PerformanceCounter>();
string[] counterList = names.Split(',');
foreach (string ctr in counterList)
metricRetriver.Counters.Add(new PerformanceCounter(category, ctr.Trim(), instance));
Logger.Info("Added Performance COUNTER : {0}", logstr);
return metricRetriver;
}
catch (Exception exp)
{
Logger.Error("Got exception : {0}, while adding performance counter: {1}", exp, logstr);
return null;
}
}
