private async Task OnReadInternal(int offset)
{
_timer.Change(Timeout.Infinite, Timeout.Infinite);
// Continue reading until full header is received.
// Especially important for multipart requests when the second part of the header arrives after a tiny delay
// because the web browser has to measure the content length first.
var parsedBytes = 0;
while (true)
{
try
{
await _ms.WriteAsync(_buffer, parsedBytes, offset - parsedBytes).ConfigureAwait(false);
if (_ms.Length > 32768)
{
Close(true);
return;
}
}
catch
{
CloseSocket();
Unbind();
return;
}
if (offset == 0)
{
CloseSocket();
Unbind();
return;
}
if (ProcessInput(_ms))
{
if (!_context.HaveError)
{
_context.HttpListenerRequest.FinishInitialization();
}
if (_context.HaveError || !_epl.BindContext(_context))
{
Close(true);
return;
}
var listener = _context.Listener;
if (_lastListener != listener)
{
RemoveConnection();
listener.AddConnection(this);
_lastListener = listener;
}
_contextBound = true;
listener.RegisterContext(_context);
return;
}
parsedBytes = offset;
offset += await Stream.ReadAsync(_buffer, offset, BufferSize - offset).ConfigureAwait(false);
}
}
private void OnReadInternal(IAsyncResult ares)
{
_timer.Change(Timeout.Infinite, Timeout.Infinite);
var nread = -1;
try
{
nread = _stream.EndRead(ares);
_ms.Write(_buffer, 0, nread);
if (_ms.Length > 32768)
{
SendError("Bad request", 400);
Close(true);
return;
}
}
catch
{
if (_ms != null && _ms.Length > 0)
{
SendError();
}
if (_sock != null)
{
CloseSocket();
Unbind();
}
return;
}
if (nread == 0)
{
//if (ms.Length > 0)
// SendError (); // Why bother?
CloseSocket();
Unbind();
return;
}
if (ProcessInput(_ms))
{
if (!_context.HaveError)
{
_context.Request.FinishInitialization();
}
if (_context.HaveError)
{
SendError();
Close(true);
return;
}
if (!_epl.BindContext(_context))
{
SendError("Invalid host", 400);
Close(true);
return;
}
var listener = _context.Listener;
if (_lastListener != listener)
{
RemoveConnection();
listener.AddConnection(this);
_lastListener = listener;
}
_contextBound = true;
listener.RegisterContext(_context);
return;
}
_stream.BeginRead(_buffer, 0, BufferSize, _onreadCb, this);
}