/// <summary>
/// Begins the accept socket.
/// </summary>
/// <param name="callback">The callback.</param>
/// <param name="state">The state.</param>
/// <returns>Async property</returns>
public IAsyncResult BeginAcceptSocket(AsyncCallback callback, object state)
{
Interlocked.Increment(ref mAsyncActiveAcceptSocketCount);
TcpListenerAcceptSocketDelegate d = new TcpListenerAcceptSocketDelegate(this.AcceptSocket);
if (this.mAsyncActiveAcceptSocketEvent == null)
{
lock (LOCK_ACCEPTSOCKET)
{
if (this.mAsyncActiveAcceptSocketEvent == null)
{
this.mAsyncActiveAcceptSocketEvent = new AutoResetEvent(true);
}
}
}
this.mAsyncActiveAcceptSocketEvent.WaitOne();
this.mAcceptSocketDelegate = d;
return(d.BeginInvoke(callback, state));
}
/// <summary>
/// Ends the accept socket.
/// </summary>
/// <param name="asyncResult">The async result.</param>
/// <returns>Socket implementation</returns>
public ISocket EndAcceptSocket(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
ThrowHelper.ThrowArgumentNullException("asyncResult");
}
if (this.mAcceptSocketDelegate == null)
{
ThrowHelper.ThrowArgumentException("Wrong async result or EndAcceptSocket called multiple times.", "asyncResult");
}
try
{
return(this.mAcceptSocketDelegate.EndInvoke(asyncResult));
}
finally
{
this.mAcceptSocketDelegate = null;
this.mAsyncActiveAcceptSocketEvent.Set();
CloseAsyncActiveAcceptSocketEvent(Interlocked.Decrement(ref mAsyncActiveAcceptSocketCount));
}
}