internal void ForceRemoveBuggyClient(IActivityMonitorClient client)
{
Debug.Assert(client != null && _clients.Contains(client));
IActivityMonitorBoundClient bound = client as IActivityMonitorBoundClient;
if (bound != null)
{
try
{
bound.SetMonitor(null, true);
}
catch (Exception ex)
{
ActivityMonitor.CriticalErrorCollector.Add(ex, "While removing the buggy client.");
}
}
if (_clients.Length == 1)
{
_clients = Util.Array.Empty <IActivityMonitorClient>();
}
else
{
int idx = Array.IndexOf(_clients, client);
var newArray = new IActivityMonitorClient[_clients.Length - 1];
Array.Copy(_clients, 0, newArray, 0, idx);
Array.Copy(_clients, idx + 1, newArray, idx, newArray.Length - idx);
_clients = newArray;
}
}
/// <summary>
/// Unregisters the given <see cref="IActivityMonitorClient"/> from the <see cref="Clients"/> list.
/// Silently ignores unregistered client.
/// </summary>
/// <param name="client">An <see cref="IActivityMonitorClient"/> implementation.</param>
/// <returns>The unregistered client or null if it has not been found.</returns>
public IActivityMonitorClient UnregisterClient(IActivityMonitorClient client)
{
if (client == null)
{
throw new ArgumentNullException("client");
}
using (_monitor.ReentrancyAndConcurrencyLock())
{
int idx;
if ((idx = Array.IndexOf(_clients, client)) >= 0)
{
LogFilter filter = LogFilter.Undefined;
IActivityMonitorBoundClient bound = client as IActivityMonitorBoundClient;
if (bound != null)
{
filter = bound.MinimalFilter;
bound.SetMonitor(null, false);
}
var newArray = new IActivityMonitorClient[_clients.Length - 1];
Array.Copy(_clients, 0, newArray, 0, idx);
Array.Copy(_clients, idx + 1, newArray, idx, newArray.Length - idx);
_clients = newArray;
if (filter != LogFilter.Undefined)
{
_monitor.OnClientMinimalFilterChanged(filter, LogFilter.Undefined);
}
return(client);
}
return(null);
}
}
LogFilter DoGetBoundClientMinimalFilter()
{
Debug.Assert(_enteredThreadId == Thread.CurrentThread.ManagedThreadId);
LogFilter minimal = LogFilter.Undefined;
List <IActivityMonitorClient> buggyClients = null;
foreach (var l in _output.Clients)
{
IActivityMonitorBoundClient bound = l as IActivityMonitorBoundClient;
if (bound != null)
{
try
{
minimal = minimal.Combine(bound.MinimalFilter);
if (minimal == LogFilter.Debug)
{
break;
}
}
catch (Exception exCall)
{
CriticalErrorCollector.Add(exCall, l.GetType().FullName);
if (buggyClients == null)
{
buggyClients = new List <IActivityMonitorClient>();
}
buggyClients.Add(l);
}
}
}
if (buggyClients != null)
{
foreach (var l in buggyClients)
{
_output.ForceRemoveBuggyClient(l);
}
}
return(minimal);
}
private IActivityMonitorClient DoRegisterClient(IActivityMonitorClient client, ref bool forceAdded)
{
if ((forceAdded |= (Array.IndexOf(_clients, client) < 0)))
{
IActivityMonitorBoundClient bound = client as IActivityMonitorBoundClient;
if (bound != null)
{
// Calling SetMonitor before adding it to the client first
// enables the monitor to initialize itself before being solicited.
// And if SetMonitor method calls InitializeTopicAndAutoTags, it does not
// receive a "stupid" OnTopic/AutoTagsChanged.
bound.SetMonitor(_monitor, false);
}
var newArray = new IActivityMonitorClient[_clients.Length + 1];
Array.Copy(_clients, 0, newArray, 1, _clients.Length);
newArray[0] = client;
_clients = newArray;
if (bound != null)
{
_monitor.OnClientMinimalFilterChanged(LogFilter.Undefined, bound.MinimalFilter);
}
}
return(client);
}
/// <summary>
/// Creates a standardized exception that can be thrown by <see cref="IActivityMonitorBoundClient.SetMonitor"/>.
/// </summary>
/// <param name="boundClient">The bound client.</param>
/// <returns>An exception with an explicit message.</returns>
static public InvalidOperationException CreateMultipleRegisterOnBoundClientException(IActivityMonitorBoundClient boundClient)
{
return(new InvalidOperationException(String.Format(Impl.ActivityMonitorResources.ActivityMonitorBoundClientMultipleRegister, boundClient != null ? boundClient.GetType().FullName : String.Empty)));
}
/// <summary>
/// Creates a standardized exception that can be thrown by <see cref="IActivityMonitorBoundClient.SetMonitor"/>.
/// </summary>
/// <param name="boundClient">The bound client.</param>
/// <returns>An exception with an explicit message.</returns>
static public InvalidOperationException CreateMultipleRegisterOnBoundClientException( IActivityMonitorBoundClient boundClient )
{
return new InvalidOperationException( String.Format( Impl.ActivityMonitorResources.ActivityMonitorBoundClientMultipleRegister, boundClient != null ? boundClient.GetType().FullName : String.Empty ) );
}