internal void Complete(Exception exc)
{
if (forward != null)
{
forward.Complete(exc);
return;
}
exception = exc;
if (InGet && (exc is ObjectDisposedException))
{
exception = new HttpListenerException(500, "Listener closed");
}
lock (locker) {
completed = true;
if (handle != null)
{
handle.Set();
}
if (cb != null)
{
ThreadPool.UnsafeQueueUserWorkItem(InvokeCB, this);
}
}
}
public IAsyncResult BeginGetContext(AsyncCallback callback, Object state)
{
CheckDisposed();
if (!listening)
{
throw new InvalidOperationException("Please, call Start before using this method.");
}
ListenerAsyncResult ares = new ListenerAsyncResult(callback, state);
// lock wait_queue early to avoid race conditions
lock (wait_queue) {
lock (ctx_queue) {
HttpListenerContext ctx = GetContextFromQueue();
if (ctx != null)
{
ares.Complete(ctx, true);
return(ares);
}
}
wait_queue.Add(ares);
}
return(ares);
}
internal void RegisterContext(HttpListenerContext context)
{
lock (registry)
registry [context] = context;
ListenerAsyncResult ares = null;
lock (wait_queue) {
if (wait_queue.Count == 0)
{
lock (ctx_queue)
ctx_queue.Add(context);
}
else
{
ares = (ListenerAsyncResult)wait_queue [0];
wait_queue.RemoveAt(0);
}
}
if (ares != null)
{
ares.Complete(context);
}
}