public PerformanceCounterInput(PerformanceCounterInputConfiguration configuration, IHealthReporter healthReporter)
{
Requires.NotNull(configuration, nameof(configuration));
Requires.NotNull(healthReporter, nameof(healthReporter));
Initialize(configuration, healthReporter);
}
private void Initialize(PerformanceCounterInputConfiguration configuration, IHealthReporter healthReporter)
{
this.syncObject = new object();
this.subject = new EventFlowSubject <EventData>();
this.healthReporter = healthReporter;
this.processInstanceNameCache = new ProcessInstanceNameCache();
this.sampleInterval = TimeSpan.FromMilliseconds(configuration.SampleIntervalMsec);
var currentProcess = Process.GetCurrentProcess();
this.currentProcessName = currentProcess.ProcessName;
this.currentProcessId = currentProcess.Id;
// The CLR Process ID counter used for process ID to counter instance name mapping for CLR counters will not read correctly
// until at least one garbage collection is performed, so we will force one now.
// The listener is usually created during service startup so the GC should not take very long.
GC.Collect();
this.trackedPerformanceCounters = new List <TrackedPerformanceCounter>();
foreach (var counterConfiguration in configuration.Counters)
{
if (!counterConfiguration.Validate())
{
healthReporter.ReportProblem($"{nameof(PerformanceCounterInput)}: configuration for counter {counterConfiguration.CounterName} is invalid");
}
else
{
this.trackedPerformanceCounters.Add(new TrackedPerformanceCounter(counterConfiguration));
}
}
this.collectionTimer = new Timer(this.DoCollection, null, this.sampleInterval, TimeSpan.FromDays(1));
}
public PerformanceCounterInput(IConfiguration configuration, IHealthReporter healthReporter)
{
Requires.NotNull(configuration, nameof(configuration));
Requires.NotNull(healthReporter, nameof(healthReporter));
var inputConfiguration = new PerformanceCounterInputConfiguration();
try
{
configuration.Bind(inputConfiguration);
}
catch (Exception e)
{
healthReporter.ReportProblem($"{nameof(PerformanceCounterInput)}: an error occurred when reading configuration{Environment.NewLine}{e.ToString()}");
return;
}
Initialize(inputConfiguration, healthReporter);
}