/// <include file='doc\PerformanceCounterInstaller.uex' path='docs/doc[@for="PerformanceCounterInstaller.Install"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void Install(IDictionary stateSaver)
{
base.Install(stateSaver);
Context.LogMessage(Res.GetString(Res.CreatingPerformanceCounter, CategoryName));
RegistryKey categoryKey = null;
RegistryKey subKey = null;
RegistryKey servicesKey = Registry.LocalMachine.OpenSubKey("SYSTEM\\CurrentControlSet\\Services", true);
stateSaver["categoryKeyExisted"] = false;
// save the old values of the Performance and Linkage subkeys in case we need to rollback the install
try {
if (servicesKey != null)
{
categoryKey = servicesKey.OpenSubKey(CategoryName, true);
if (categoryKey != null)
{
stateSaver["categoryKeyExisted"] = true;
subKey = categoryKey.OpenSubKey("Performance");
if (subKey != null)
{
stateSaver["performanceKeyData"] = new SerializableRegistryKey(subKey);
subKey.Close();
categoryKey.DeleteSubKeyTree("Performance");
}
subKey = categoryKey.OpenSubKey("Linkage");
if (subKey != null)
{
stateSaver["linkageKeyData"] = new SerializableRegistryKey(subKey);
subKey.Close();
categoryKey.DeleteSubKeyTree("Linkage");
}
}
}
}
finally {
if (categoryKey != null)
{
categoryKey.Close();
}
if (servicesKey != null)
{
servicesKey.Close();
}
}
// delete the "Performance" and "Linkage" subkeys, unregister the category,
// and finally re-create the category from scratch.
if (PerformanceCounterCategory.Exists(CategoryName))
{
PerformanceCounterCategory.Delete(CategoryName);
}
PerformanceCounterCategory.Create(CategoryName, CategoryHelp, categoryType, Counters);
}
public override void Uninstall(IDictionary savedState)
{
base.Uninstall(savedState);
if (this.UninstallAction == System.Configuration.Install.UninstallAction.Remove)
{
base.Context.LogMessage(Res.GetString("RemovingPerformanceCounter", new object[] { this.CategoryName }));
PerformanceCounterCategory.Delete(this.CategoryName);
}
}
/// <include file='doc\PerformanceCounterInstaller.uex' path='docs/doc[@for="PerformanceCounterInstaller.Uninstall"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void Uninstall(IDictionary savedState)
{
base.Uninstall(savedState);
if (UninstallAction == UninstallAction.Remove)
{
Context.LogMessage(Res.GetString(Res.RemovingPerformanceCounter, CategoryName));
PerformanceCounterCategory.Delete(CategoryName);
}
}
/// <summary>
/// Installs the specified performance <paramref name="counters" />.
/// </summary>
/// <param name="counters">A list of counters to install.</param>
/// <exception cref="ArgumentNullException"><paramref name="counters" /> is <c>null</c>.</exception>
public static void Install(this IEnumerable <PerformanceCounterSettings> counters)
{
if (counters == null)
{
throw new ArgumentNullException(nameof(counters));
}
// Group counters by category
var countersByCategories =
(
from
counter in counters
group
counter by counter.Category
into
countersByCategory
select
countersByCategory
).ToDictionary(c => c.Key);
// For each counters by category
foreach (var countersByCategory in countersByCategories)
{
// Get group category
var category = countersByCategory.Key;
// Check if category exists
if (PerformanceCounterCategory.Exists(category))
{
// Check if all counters exists within the category
if (countersByCategory.Value.All(counter => PerformanceCounterCategory.CounterExists(counter.Name, counter.Category)))
{
continue;
}
// Some or all counters does not exists within the category
// Delete category
PerformanceCounterCategory.Delete(category);
}
// Create new counters collection
var counterData = new CounterCreationDataCollection();
foreach (var counterCreationData in countersByCategory.Value.Select(counterConfig => new CounterCreationData(counterConfig.Name, String.Empty, counterConfig.CounterType)))
{
counterData.Add(counterCreationData);
}
// Create category with counters
PerformanceCounterCategory.Create(category, String.Empty, PerformanceCounterCategoryType.SingleInstance, counterData);
}
}
public override void Install(IDictionary stateSaver)
{
base.Install(stateSaver);
base.Context.LogMessage(Res.GetString("CreatingPerformanceCounter", new object[] { this.CategoryName }));
RegistryKey key = null;
RegistryKey keyToSave = null;
RegistryKey key3 = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Services", true);
stateSaver["categoryKeyExisted"] = false;
try
{
if (key3 != null)
{
key = key3.OpenSubKey(this.CategoryName, true);
if (key != null)
{
stateSaver["categoryKeyExisted"] = true;
keyToSave = key.OpenSubKey("Performance");
if (keyToSave != null)
{
stateSaver["performanceKeyData"] = new SerializableRegistryKey(keyToSave);
keyToSave.Close();
key.DeleteSubKeyTree("Performance");
}
keyToSave = key.OpenSubKey("Linkage");
if (keyToSave != null)
{
stateSaver["linkageKeyData"] = new SerializableRegistryKey(keyToSave);
keyToSave.Close();
key.DeleteSubKeyTree("Linkage");
}
}
}
}
finally
{
if (key != null)
{
key.Close();
}
if (key3 != null)
{
key3.Close();
}
}
if (PerformanceCounterCategory.Exists(this.CategoryName))
{
PerformanceCounterCategory.Delete(this.CategoryName);
}
PerformanceCounterCategory.Create(this.CategoryName, this.CategoryHelp, this.categoryType, this.Counters);
}