public void Increment()
{
if (_isValid)
{
try
{
_counter.Increment();
}
catch (Exception e)
{
PerformanceCounterWrapper.TraceException("increment", "counter increment failed.", e);
}
}
}
public void SetRawValue(long value)
{
if (_isValid)
{
try
{
_counter.RawValue = value;
}
catch (Exception e)
{
PerformanceCounterWrapper.TraceException("SetRawValue", "failed to set raw value", e);
}
}
}
public PerformanceCounterWrapper(string categoryName, string instanceName, string counterName)
{
_isValid = false;
this._categoryName = categoryName;
this._instanceName = instanceName;
this._counterName = counterName;
#if NETFRAMEWORK
// Check if counter exists in the specified category and then create its instance
if (PerformanceCounterCategory.CounterExists(_counterName, _categoryName))
{
try
{
_counter = new PerformanceCounter();
_counter.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
_counter.CategoryName = _categoryName;
_counter.InstanceName = _instanceName;
_counter.CounterName = _counterName;
_counter.ReadOnly = false;
_counter.RawValue = 0;
_isValid = true;
}
catch (Exception e)
{
PerformanceCounterWrapper.TraceException("initialize", "Performance counter initialization failed, no data will be collected.", e);
}
}
else
{
Tracer.TraceWarning(
TraceSourceConstants.ComponentNames.PerfCounter,
"initialize",
"Performance counter {0} does not exist in shard management catagory.", counterName);
}
#endif
}
