public void Add(PerformanceCounterItem item)
{
var existing = GetCounters(false);
if(existing.Any(x => x.CategoryName == item.CategoryName &&
x.InstanceName == item.InstanceName))
return;
_tableContext.AddObject(_tableName, item);
try {
_tableContext.SaveChanges(SaveChangesOptions.Batch);
}
catch {
// sometimes this happens when the roles collide
}
}
public void Add(PerformanceCounterItem item)
{
var existing = GetCounters(false);
if (existing.Any(x => x.CategoryName == item.CategoryName &&
x.InstanceName == item.InstanceName))
{
return;
}
_tableContext.AddObject(_tableName, item);
try {
_tableContext.SaveChanges(SaveChangesOptions.Batch);
}
catch {
// sometimes this happens when the roles collide
}
}
public UniversalPerformanceReader(PerformanceCounterItem item)
{
_item = item;
this.CounterName = item.CounterName;
this.CounterInstance = item.InstanceName;
if(string.IsNullOrEmpty(_item.InstanceName))
_counter = new PerformanceCounter {
CategoryName = _item.CategoryName,
CounterName = _item.CounterName
};
else
_counter = new PerformanceCounter {
CategoryName = _item.CategoryName,
CounterName = _item.CounterName,
InstanceName = _item.InstanceName
};
}
public UniversalPerformanceReader(PerformanceCounterItem item)
{
_item = item;
this.CounterName = item.CounterName;
this.CounterInstance = item.InstanceName;
if (string.IsNullOrEmpty(_item.InstanceName))
{
_counter = new PerformanceCounter {
CategoryName = _item.CategoryName,
CounterName = _item.CounterName
}
}
;
else
{
_counter = new PerformanceCounter {
CategoryName = _item.CategoryName,
CounterName = _item.CounterName,
InstanceName = _item.InstanceName
}
};
}
public static CloudMonitREngine Setup()
{
CloudMonitREngine engine = new CloudMonitREngine();
engine.Readers = new List<UniversalPerformanceReader>();
Trace.WriteLine("Connecting to Hub", "Information");
var client = HubClient.Start();
Trace.WriteLine("Connected to Hub", "Information");
var categories = PerformanceCounterFactory.GetPerformanceCounterCategories();
var storage = new StorageWrapper();
client.Hub.Invoke("connectWorker");
client.Hub.On("onGetPerformanceCounterCategories", () => {
client.Hub.Invoke("sendPerformanceCounterCategoriesToDashboard", categories);
});
client.Hub.On<string, string>("onGetPerformanceCounters",
(category, instance) => {
var counters = PerformanceCounterFactory.GetCountersForCategory(category, instance);
client.Hub.Invoke("SendPerformanceCountersToDashboard", counters);
});
client.Hub.On<string, string>("onDeleteCounter",
(counter, instance) => {
storage.DeleteCounter(counter, instance);
try {
var r = engine.Readers.First(x => x.CounterInstance == instance
&& x.CounterName == counter);
engine.Readers.Remove(r);
r.Dispose();
}
catch {
// this happens when storage has already deleted the item but subsequent workers haven't caught up
}
});
client.Hub.On<string, string, string>("onAddCounterToDashboard",
(category, instance, counter) => {
var itm = new PerformanceCounterItem {
CategoryName = category,
InstanceName = instance,
CounterName = counter
};
var rdr = new UniversalPerformanceReader(itm);
rdr.ValueReceived += (s, e) => {
client.Hub.Invoke("sendDataToChart", new {
name = e.Name,
value = e.Value,
instanceId = e.InstanceId,
counterInstance = e.CounterInstance
});
};
storage.Add(itm);
engine.Readers.Add(rdr);
rdr.ReadValue();
});
storage.GetCounters().ForEach((x) => {
var rdr = new UniversalPerformanceReader(x);
rdr.ValueReceived += (s, e) => {
client.Hub.Invoke("sendDataToChart", new {
name = e.Name,
value = e.Value,
instanceId = e.InstanceId,
counterInstance = e.CounterInstance
});
};
engine.Readers.Add(rdr);
});
return engine;
}
public static CloudMonitREngine Setup()
{
CloudMonitREngine engine = new CloudMonitREngine();
engine.Readers = new List <UniversalPerformanceReader>();
Trace.WriteLine("Connecting to Hub", "Information");
var client = HubClient.Start();
Trace.WriteLine("Connected to Hub", "Information");
var categories = PerformanceCounterFactory.GetPerformanceCounterCategories();
var storage = new StorageWrapper();
client.Hub.Invoke("connectWorker");
client.Hub.On("onGetPerformanceCounterCategories", () =>
{
client.Hub.Invoke("sendPerformanceCounterCategoriesToDashboard", categories);
});
client.Hub.On <string, string>("onGetPerformanceCounters",
(category, instance) =>
{
var counters = PerformanceCounterFactory.GetCountersForCategory(category, instance);
client.Hub.Invoke("SendPerformanceCountersToDashboard", counters);
});
client.Hub.On <string, string>("onDeleteCounter",
(counter, instance) =>
{
storage.DeleteCounter(counter, instance);
try
{
var r = engine.Readers.First(x => x.CounterInstance == instance &&
x.CounterName == counter);
engine.Readers.Remove(r);
r.Dispose();
}
catch
{
// this happens when storage has already deleted the item but subsequent workers haven't caught up
}
});
client.Hub.On <string, string, string>("onAddCounterToDashboard",
(category, instance, counter) =>
{
var itm = new PerformanceCounterItem
{
CategoryName = category,
InstanceName = instance,
CounterName = counter
};
var rdr = new UniversalPerformanceReader(itm);
rdr.ValueReceived += (s, e) =>
{
client.Hub.Invoke("sendDataToChart", new
{
name = e.Name,
value = e.Value,
instanceId = e.InstanceId,
counterInstance = e.CounterInstance
});
};
storage.Add(itm);
engine.Readers.Add(rdr);
rdr.ReadValue();
});
storage.GetCounters().ForEach((x) =>
{
var rdr = new UniversalPerformanceReader(x);
rdr.ValueReceived += (s, e) =>
{
client.Hub.Invoke("sendDataToChart", new
{
name = e.Name,
value = e.Value,
instanceId = e.InstanceId,
counterInstance = e.CounterInstance
});
};
engine.Readers.Add(rdr);
});
return(engine);
}
