public void RelayMessage(ChatService current, string value)
{
List<ChatService> defunct = null;
this.thisLock.EnterReadLock();
try
{
foreach (var entry in this.innerCache)
{
try
{
entry.SendMessage(value);
}
catch
{
if (defunct == null)
{
defunct = new List<ChatService>();
}
defunct.Add(entry);
}
}
}
finally
{
this.thisLock.ExitReadLock();
}
if (defunct != null)
{
this.thisLock.EnterWriteLock();
try
{
foreach (var entry in defunct)
{
this.innerCache.Remove(entry);
}
}
finally
{
this.thisLock.ExitWriteLock();
}
}
}
/// <summary>
/// Attempting to remove a session from the collection.
/// </summary>
/// <param name="entry">Session to remove.</param>
public void Remove(ChatService entry)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(this.RemoveInternal), entry);
}
/// <summary>
/// Attempting to add another session to the collection.
/// </summary>
/// <param name="entry">Session to add.</param>
/// <returns>true if session was added; false otherwise.</returns>
public bool TryAdd(ChatService entry)
{
this.thisLock.EnterUpgradeableReadLock();
try
{
if (this.innerCache.Contains(entry))
{
return false;
}
this.thisLock.EnterWriteLock();
try
{
this.innerCache.Add(entry);
return true;
}
finally
{
this.thisLock.ExitWriteLock();
}
}
finally
{
this.thisLock.ExitUpgradeableReadLock();
}
}
/// <summary>
/// Attempting to remove a session from the collection.
/// </summary>
/// <param name="entry">Session to remove.</param>
public void Remove(ChatService entry)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(this.RemoveInternal), entry);
}
