internal void Complete(Exception exc)
{
#if AUTHENTICATION
if (_forward != null)
{
_forward.Complete(exc);
return;
}
#endif
_exception = exc;
if (InGet && (exc is ObjectDisposedException))
{
_exception = new HttpListenerException(500, "Listener closed");
}
lock (_locker)
{
_completed = true;
_handle?.Set();
if (_cb != null)
{
ThreadPool.QueueUserWorkItem(_invokeCb, this);
}
}
}
/// <summary>
/// Begins the asynchronous operation of retrieving an HTTP conext
/// </summary>
/// <param name="callback">The callback.</param>
/// <param name="state">The state.</param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">Please, call Start before using this method.</exception>
public IAsyncResult BeginGetContext(AsyncCallback callback, object state)
{
CheckDisposed();
if (!IsListening)
{
throw new InvalidOperationException("Please, call Start before using this method.");
}
var ares = new ListenerAsyncResult(callback, state);
// lock wait_queue early to avoid race conditions
lock (_waitQueue)
{
lock (_ctxQueue)
{
var ctx = GetContextFromQueue();
if (ctx != null)
{
ares.Complete(ctx, true);
return(ares);
}
}
_waitQueue.Add(ares);
}
return(ares);
}
internal void RegisterContext(HttpListenerContext context)
{
lock (_registry)
_registry[context] = context;
ListenerAsyncResult ares = null;
lock (_waitQueue)
{
if (_waitQueue.Count == 0)
{
lock (_ctxQueue)
_ctxQueue.Add(context);
}
else
{
ares = (ListenerAsyncResult)_waitQueue[0];
_waitQueue.RemoveAt(0);
}
}
ares?.Complete(context);
}
/// <summary>
/// Begins the asynchronous operation of retrieving an HTTP conext
/// </summary>
/// <param name="callback">The callback.</param>
/// <param name="state">The state.</param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">Please, call Start before using this method.</exception>
public IAsyncResult BeginGetContext(AsyncCallback callback, object state)
{
CheckDisposed();
if (!IsListening)
throw new InvalidOperationException("Please, call Start before using this method.");
var ares = new ListenerAsyncResult(callback, state);
// lock wait_queue early to avoid race conditions
lock (_waitQueue)
{
lock (_ctxQueue)
{
var ctx = GetContextFromQueue();
if (ctx != null)
{
ares.Complete(ctx, true);
return ares;
}
}
_waitQueue.Add(ares);
}
return ares;
}