| public EndReceive ( IAsyncResult asyncResult ) : int | ||
| asyncResult | IAsyncResult | Stores state information for this asynchronous operation as well as any user defined data. |
| return | int | |
public override int EndReceive(IAsyncResult asyncResult) {
if (SecureProtocol == SecureProtocol.None)
return base.EndReceive(asyncResult);
// Make sure everything is in order
if (asyncResult == null)
throw new ArgumentNullException();
TransferItem ti = m_Controller.EndReceive(asyncResult);
if (ti == null)
throw new ArgumentException();
// Process the (secure) EndReceive
// block if the operation hasn't ended yet
while (!ti.AsyncResult.IsCompleted) {
ti.AsyncResult.AsyncWaitHandle.WaitOne(200, false);
}
if (ti.AsyncResult.AsyncException != null)
throw new SecurityException("An error occurs while communicating with the remote host.\r\n" + ti.AsyncResult.AsyncException.ToString(), ti.AsyncResult.AsyncException);
if (ti.Transferred == 0)
m_SentShutdownNotification = true;
return ti.Transferred;
}
/// <summary> /// <summary>
/// Handles the end of an asynchronous read.
/// </summary>
/// <param name="asyncResult">An <see cref="IAsyncResult"/> representing an asynchronous call. </param>
/// <returns>The number of bytes read from the stream.</returns>
/// <exception cref="ArgumentNullException"><paramref name="asyncResult"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception>
/// <exception cref="IOException">There is a failure while reading from the network.</exception>
public override int EndRead(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException();
}
if (Socket == null)
{
throw new IOException();
}
try {
return(Socket.EndReceive(asyncResult));
} catch (Exception e) {
throw new IOException("An I/O exception occurred.", e);
}
}
