private static List <IISAppPoolStateInfo> AppPoolStatesIIS6(string hostName)
{
List <IISAppPoolStateInfo> states = new List <IISAppPoolStateInfo>();
try
{
DirectoryEntry root = new DirectoryEntry("IIS://" + hostName + "/W3SVC/AppPools");
foreach (DirectoryEntry e in root.Children)
{
if (e.SchemaClassName == "IIsApplicationPool")
{
IISAppPoolStateInfo appPool = new IISAppPoolStateInfo()
{
DisplayName = e.Name
};
appPool.Status = (AppPoolStatus)e.Properties["AppPoolState"].Value;
}
}
}
catch (Exception ex)
{
if (ex.Message.Contains("Class not registered"))
{
throw new Exception("Error querying IIS. On IIS 7+ please make sure IIS 6 Metabase Compatibility (Role Service) is installed/enabled");
}
else
{
throw;
}
}
return(states);
}
public List <IISAppPoolStateInfo> GetIISAppPoolStates()
{
List <IISAppPoolStateInfo> sourceList = GetSourceIISAppPoolStates();
List <IISAppPoolStateInfo> list = new List <IISAppPoolStateInfo>();
foreach (var checkEntry in SubItems)
{
IISAppPoolStateInfo monitorEntryState = new IISAppPoolStateInfo()
{
DisplayName = checkEntry.Description
};
IISAppPoolStateInfo checkedEntryState = (from IISAppPoolStateInfo ap in sourceList
where checkEntry.Description == ap.DisplayName
select ap).FirstOrDefault();
if (checkedEntryState != null)
{
monitorEntryState.Status = checkedEntryState.Status;
}
else
{
monitorEntryState.Status = AppPoolStatus.Unknown;
}
list.Add(monitorEntryState);
}
return(list);
}
public override void RefreshDisplayData()
{
try
{
System.Windows.Forms.Cursor.Current = Cursors.WaitCursor;
lvwEntries.BeginUpdate();
foreach (ListViewGroup lvgMachine in lvwEntries.Groups)
{
IISAppPoolMachine serviceDefinition = (IISAppPoolMachine)lvgMachine.Tag;
try
{
List <IISAppPoolStateInfo> sourceList = serviceDefinition.GetIISAppPoolStates();
foreach (ListViewItem lviAppPool in lvgMachine.Items)
{
IISAppPoolEntry entry = (IISAppPoolEntry)lviAppPool.Tag;
IISAppPoolStateInfo currentAppPool = (from ap in sourceList
where ap.DisplayName == entry.Description
select ap).FirstOrDefault();
if (currentAppPool == null || currentAppPool.Status == AppPoolStatus.Unknown)
{
lviAppPool.ImageIndex = 0;
}
else if (currentAppPool.Status == AppPoolStatus.Started)
{
lviAppPool.ImageIndex = 1;
}
else if (currentAppPool.Status == AppPoolStatus.Stopped)
{
lviAppPool.ImageIndex = 2;
}
else
{
lviAppPool.ImageIndex = 3;
}
}
}
catch (UnauthorizedAccessException unauthEx)
{
MessageBox.Show(string.Format("Cannot update the application pool list for {0} due to 'Unauthorized Access' error. Please restart this application in 'Admin' mode.\r\nDetails: {1}", serviceDefinition.MachineName, unauthEx.Message), "Unauthorized Access", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Error updating application pool states of {0}\r\n{1}", serviceDefinition.MachineName, ex.ToString()), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
lvwEntries.EndUpdate();
System.Windows.Forms.Cursor.Current = Cursors.Default;
toolStripStatusLabelDetails.Text = "Last updated " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
}
private List <IISAppPoolStateInfo> AppPoolStatesIIS7Plus(string hostName)
{
List <IISAppPoolStateInfo> appPools = new List <IISAppPoolStateInfo>();
try
{
if (UsePerfCounter && System.Diagnostics.PerformanceCounterCategory.Exists("APP_POOL_WAS", hostName))
{
//Try performance counters
System.Diagnostics.PerformanceCounterCategory pcCat = new System.Diagnostics.PerformanceCounterCategory("APP_POOL_WAS", hostName);
//getting instance names
string[] instances = pcCat.GetInstanceNames();
foreach (string instanceName in instances)
{
if (instanceName != "_Total")
{
System.Diagnostics.PerformanceCounter pc = (from pcCacheEntry in pcCatCache
where pcCacheEntry.InstanceName == instanceName
select pcCacheEntry).FirstOrDefault();
if (pc == null)
{
pc = new System.Diagnostics.PerformanceCounter("APP_POOL_WAS", "Current Application Pool State", instanceName, hostName);
pcCatCache.Add(pc);
}
float value = pc.NextValue();
IISAppPoolStateInfo appPool = new IISAppPoolStateInfo()
{
DisplayName = instanceName
};
appPool.Status = ReadAppPoolStateFromPCValue(value);
appPools.Add(appPool);
}
}
}
else
{
using (WebAdmin.ServerManager serverManager = WebAdmin.ServerManager.OpenRemote(hostName))
{
foreach (var pool in serverManager.ApplicationPools)
{
IISAppPoolStateInfo appPool = new IISAppPoolStateInfo()
{
DisplayName = pool.Name
};
appPool.Status = (AppPoolStatus)pool.State;
appPools.Add(appPool);
}
}
}
}
//catch (UnauthorizedAccessException unauthEx)
//{
// appPools = new List<IISAppPoolStateInfo>();
// //Try performance counters
// System.Diagnostics.PerformanceCounterCategory pcCat = new System.Diagnostics.PerformanceCounterCategory("APP_POOL_WAS", hostName);
// //getting instance names
// string[] instances = pcCat.GetInstanceNames();
// foreach (string instanceName in instances)
// {
// System.Diagnostics.PerformanceCounter pc = new System.Diagnostics.PerformanceCounter("APP_POOL_WAS", "Current Application Pool State", instanceName, hostName);
// float value = pc.NextValue();
// IISAppPoolStateInfo appPool = new IISAppPoolStateInfo() { DisplayName = instanceName };
// appPool.Status = ReadAppPoolStateFromPCValue(value);
// appPools.Add(appPool);
// }
//}
catch (Exception ex)
{
if (ex is UnauthorizedAccessException)
{
throw new Exception("Using ServiceManager class on local machine requires elevated rights. Please run this collector in a process that runs in 'Admin mode'");
}
else if (ex.Message.Contains("80040154"))
{
throw new Exception(string.Format("ServiceManager class not supported on {0}", hostName));
}
else if (ex.Message.Contains("800706ba"))
{
throw new Exception("Firewall blocking ServiceManager call. Please add OAB exception");
}
else
{
throw;
}
}
return(appPools);
}
