private IEnumerable<IPerformanceCounterInfo> GetPerformanceCounterInfos(ICounterGroup group)
{
var performanceCounterInfos = new List<IPerformanceCounterInfo>();
foreach (var counter in group.Counters)
{
var performanceCounters = GetPerformanceCounters(counter.CategoryName, counter.CounterName, counter.InstanceName).ToArray();
if (performanceCounters.Any())
{
foreach (var performanceCounter in performanceCounters)
{
var name = counter.Name;
if (name == "*")
{
name = performanceCounter.InstanceName;
}
performanceCounterInfos.Add(new PerformanceCounterInfo(name, performanceCounter, counter.Alias, counter.Tags));
}
}
else
{
performanceCounterInfos.Add(new PerformanceCounterInfo(counter.Name, null, counter.Alias, counter.Tags));
}
}
return performanceCounterInfos;
}
private IEnumerable <IPerformanceCounterInfo> GetPerformanceCounterInfos(ICounterGroup group)
{
var performanceCounterInfos = new List <IPerformanceCounterInfo>();
foreach (var counter in group.Counters)
{
var performanceCounters = GetPerformanceCounters(counter.CategoryName, counter.CounterName, counter.InstanceName, counter.MachineName).ToArray();
if (performanceCounters.Any())
{
foreach (var performanceCounter in performanceCounters)
{
var name = counter.Name;
if (name == "*")
{
name = performanceCounter.InstanceName;
}
performanceCounterInfos.Add(new PerformanceCounterInfo(name, performanceCounter, counter));
}
}
else
{
performanceCounterInfos.Add(new PerformanceCounterInfo(counter.Name, null, counter));
}
}
return(performanceCounterInfos);
}
public IPerformanceCounterGroup GetGroup(ICounterGroup @group)
{
return null;
}
private IEnumerable <IPerformanceCounterInfo> GetPerformanceCounterInfos(ICounterGroup group)
{
var performanceCounterInfos = new List <IPerformanceCounterInfo>();
foreach (var counter in group.Counters)
{
// retrieve all system performance counters
var performanceCounters = this._getPerformanceCountersMethod(counter).ToList();
if (performanceCounters.Count != 0)
{
if (group.Filters != null)
{
// 1) apply filtering
for (var i = performanceCounters.Count - 1; i >= 0; i--)
{
var instanceName = performanceCounters[i].InstanceName;
var filteredInstanceName = group.Filters.Aggregate(instanceName, (current, filter) => filter.Execute(current));
if (filteredInstanceName == null)
{
performanceCounters.RemoveAt(i);
}
else
{
performanceCounters[i].InstanceName = filteredInstanceName;
}
}
// 2) we handle uniqueness of instance names :
// because of the filtering, multiples instances can have the same instance name,
// so we increment a counter for each instance after the first one
// eg: w3wp, w3wp#2, w3wp#3, etc.
if (!group.AllowDuplicateInstanceNames)
{
var filteredNames = new Dictionary <string, int>(StringComparer.Ordinal);
for (var i = 0; i < performanceCounters.Count; i++)
{
int count;
var instanceName = performanceCounters[i].InstanceName;
if (filteredNames.TryGetValue(instanceName, out count))
{
performanceCounters[i].InstanceName = instanceName + "#" + (count + 1);
}
filteredNames[instanceName] = count + 1;
}
}
}
// 3) retrieve values
foreach (var performanceCounter in performanceCounters)
{
try
{
performanceCounter.NextValue();
}
catch (Exception ex)
{
OnGetPerformanceCounters(ex, counter.CategoryName, counter.CounterName, counter.InstanceName, counter.MachineName);
}
}
// 4) create infos
performanceCounterInfos.AddRange(performanceCounters);
}
else
{
performanceCounterInfos.Add(new PerformanceCounterInfo(null, counter));
}
}
return(performanceCounterInfos);
}
public IPerformanceCounterGroup GetGroup(ICounterGroup group)
{
return(new PerformanceCounterGroup(group, GetPerformanceCounterInfos));
}
private IEnumerable<IPerformanceCounterInfo> GetPerformanceCounterInfos(ICounterGroup group)
{
var performanceCounterInfos = new List<IPerformanceCounterInfo>();
foreach (var counter in group.Counters)
{
// retrieve all system performance counters
var performanceCounters = this._getPerformanceCountersMethod(counter).ToList();
if (performanceCounters.Count != 0)
{
if (group.Filters != null)
{
// 1) apply filtering
for (var i = performanceCounters.Count - 1; i >= 0; i--)
{
var instanceName = performanceCounters[i].InstanceName;
var filteredInstanceName = group.Filters.Aggregate(instanceName, (current, filter) => filter.Execute(current));
if (filteredInstanceName == null)
{
performanceCounters.RemoveAt(i);
}
else
{
performanceCounters[i].InstanceName = filteredInstanceName;
}
}
// 2) we handle uniqueness of instance names :
// because of the filtering, multiples instances can have the same instance name,
// so we increment a counter for each instance after the first one
// eg: w3wp, w3wp#2, w3wp#3, etc.
if (!group.AllowDuplicateInstanceNames)
{
var filteredNames = new Dictionary<string, int>(StringComparer.Ordinal);
for (var i = 0; i < performanceCounters.Count; i++)
{
int count;
var instanceName = performanceCounters[i].InstanceName;
if (filteredNames.TryGetValue(instanceName, out count))
{
performanceCounters[i].InstanceName = instanceName + "#" + (count + 1);
}
filteredNames[instanceName] = count + 1;
}
}
}
// 3) retrieve values
foreach (var performanceCounter in performanceCounters)
{
try
{
performanceCounter.NextValue();
}
catch (Exception ex)
{
OnGetPerformanceCounters(ex, counter.CategoryName, counter.CounterName, counter.InstanceName, counter.MachineName);
}
}
// 4) create infos
performanceCounterInfos.AddRange(performanceCounters);
}
else
{
performanceCounterInfos.Add(new PerformanceCounterInfo(null, counter));
}
}
return performanceCounterInfos;
}
public IPerformanceCounterGroup GetGroup(ICounterGroup group)
{
return new PerformanceCounterGroup(group, GetPerformanceCounterInfos);
}
public PerformanceCounterGroup(ICounterGroup counterGroup, Func<ICounterGroup, IEnumerable<IPerformanceCounterInfo>> counterLoader)
{
_counterGroup = counterGroup;
_counterLoader = counterLoader;
}
public IPerformanceCounterGroup GetGroup(ICounterGroup @group)
{
return(null);
}
public PerformanceCounterGroup(ICounterGroup counterGroup, Func <ICounterGroup, IEnumerable <IPerformanceCounterInfo> > counterLoader)
{
_counterGroup = counterGroup;
_counterLoader = counterLoader;
}