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);
}
}
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);
}