public bool AcceptAsync(SocketAsyncEventArgs e)
{
bool retval;
if (s_loggingEnabled)
{
Logging.Enter(Logging.Sockets, this, "AcceptAsync", "");
}
if (CleanedUp)
{
throw new ObjectDisposedException(GetType().FullName);
}
if (e == null)
{
throw new ArgumentNullException("e");
}
if (e._bufferList != null)
{
throw new ArgumentException(SR.net_multibuffernotsupported, "BufferList");
}
if (_rightEndPoint == null)
{
throw new InvalidOperationException(SR.net_sockets_mustbind);
}
if (!_isListening)
{
throw new InvalidOperationException(SR.net_sockets_mustlisten);
}
// Handle AcceptSocket property.
SafeCloseSocket acceptHandle;
e.AcceptSocket = GetOrCreateAcceptSocket(e.AcceptSocket, true, "AcceptSocket", out acceptHandle);
// Prepare for the native call.
e.StartOperationCommon(this);
e.StartOperationAccept();
// Local variables for sync completion.
int bytesTransferred;
SocketError socketError = SocketError.Success;
// Make the native call.
try
{
socketError = e.DoOperationAccept(this, _handle, acceptHandle, out bytesTransferred);
}
catch (Exception ex)
{
// Clear in-use flag on event args object.
e.Complete();
throw ex;
}
// Handle completion when completion port is not posted.
if (socketError != SocketError.Success && socketError != SocketError.IOPending)
{
e.FinishOperationSyncFailure(socketError, bytesTransferred, SocketFlags.None);
retval = false;
}
else
{
retval = true;
}
if (s_loggingEnabled)
{
Logging.Exit(Logging.Sockets, this, "AcceptAsync", retval);
}
return retval;
}