/// <summary>
/// Recalculates the entire routing table on a separate thread.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CalculateRoutingTable(object sender, EventArgs <ScheduledTaskRunningReason> e)
{
lock (m_syncRoot)
{
//Some other thread won on the race condition.
if (RoutingTablesValid)
{
return;
}
var subscribers = new List <LogSubscriberInternal>(m_subscribers.Count);
m_subscribers.RemoveWhere(x =>
{
LogSubscriberInternal subscriber = (LogSubscriberInternal)x.Target;
if (subscriber != null)
{
subscribers.Add(subscriber);
return(false);
}
return(true);
});
foreach (var pub in m_allPublishers)
{
CalculateRoutingTableForPublisherSync(subscribers, pub);
}
RoutingTablesValid = true;
}
}
/// <summary>
/// Creates a type topic on a specified type.
/// </summary>
/// <param name="type">the type to create the topic from</param>
/// <returns></returns>
public LogPublisherInternal CreateType(Type type)
{
if ((object)type == null)
{
throw new ArgumentNullException(nameof(type));
}
LogPublisherInternal publisher;
lock (m_syncRoot)
{
if (!m_typeIndexCache.TryGetValue(type, out publisher))
{
publisher = new LogPublisherInternal(this, type);
m_typeIndexCache.Add(type, publisher);
if (!m_disposing)
{
m_allPublishers.Add(publisher);
var lst = new List <LogSubscriberInternal>();
foreach (var logSubscriberInternal in m_subscribers)
{
LogSubscriberInternal target = logSubscriberInternal.Target as LogSubscriberInternal;
if (target != null)
{
lst.Add(target);
}
}
CalculateRoutingTableForPublisherSync(lst, publisher);
}
}
}
return(publisher);
}
/// <summary>
/// Creates a <see cref="LogSubscriber"/> that can subscribe to log messages.
/// </summary>
/// <returns></returns>
public LogSubscriberInternal CreateSubscriber()
{
lock (m_syncRoot)
{
if (m_disposing)
{
return(LogSubscriberInternal.DisposedSubscriber);
}
var s = new LogSubscriberInternal(RecalculateRoutingTable);
m_subscribers.Add(s.Reference);
return(s);
}
}
public void Add(MessageAttributeFilter filter, LogSubscriberInternal subscriber)
{
Routes.Add(Tuple.Create(filter, subscriber.Reference));
Append(filter);
}
/// <summary>
/// Creates a <see cref="LogSubscriber"/>
/// </summary>
internal LogSubscriber(LogSubscriberInternal subscriber)
{
m_subscriber = subscriber;
}
static LogSubscriberInternal()
{
DisposedSubscriber = new LogSubscriberInternal(null);
DisposedSubscriber.Dispose();
}
static LogSubscriberInternal()
{
DisposedSubscriber = new LogSubscriberInternal(null);
DisposedSubscriber.Dispose();
}
public void Add(MessageAttributeFilter filter, LogSubscriberInternal subscriber)
{
Routes.Add(Tuple.Create(filter, subscriber.Reference));
Append(filter);
}
/// <summary>
/// Creates a <see cref="LogSubscriber"/> that can subscribe to log messages.
/// </summary>
/// <returns></returns>
public LogSubscriberInternal CreateSubscriber()
{
lock (m_syncRoot)
{
if (m_disposing)
return LogSubscriberInternal.DisposedSubscriber;
var s = new LogSubscriberInternal(RecalculateRoutingTable);
m_subscribers.Add(s.Reference);
return s;
}
}
/// <summary>
/// Creates a <see cref="LogSubscriber"/>
/// </summary>
internal LogSubscriber(LogSubscriberInternal subscriber)
{
m_subscriber = subscriber;
}
