internal void RegisterContext(HttpListenerContext context)
{
lock (_ctxRegistrySync)
_ctxRegistry[context] = context;
HttpListenerAsyncResult ares = null;
lock (_waitQueueSync)
{
if (_waitQueue.Count == 0)
{
lock (_ctxQueueSync)
_ctxQueue.Add(context);
}
else
{
ares = _waitQueue[0];
_waitQueue.RemoveAt(0);
}
}
if (ares != null)
{
ares.Complete(context);
}
}
private static void complete(HttpListenerAsyncResult asyncResult)
{
asyncResult._completed = true;
var waitHandle = asyncResult._waitHandle;
if (waitHandle != null)
{
waitHandle.Set();
}
var callback = asyncResult._callback;
if (callback != null)
{
ThreadPool.QueueUserWorkItem(
state =>
{
try
{
callback(asyncResult);
}
catch
{
}
},
null);
}
}
internal HttpListenerAsyncResult BeginGetContext(HttpListenerAsyncResult asyncResult)
{
CheckDisposed();
if (_prefixes.Count == 0)
{
throw new InvalidOperationException("The listener has no URI prefix on which listens.");
}
if (!_listening)
{
throw new InvalidOperationException("The listener hasn't been started.");
}
// Lock _waitQueue early to avoid race conditions.
lock (_waitQueueSync)
{
lock (_ctxQueueSync)
{
var ctx = getContextFromQueue();
if (ctx != null)
{
asyncResult.Complete(ctx, true);
return(asyncResult);
}
}
_waitQueue.Add(asyncResult);
}
return(asyncResult);
}