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.
while (true)
{
try
{
await _ms.WriteAsync(_buffer, 0, offset).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;
}
offset = await Stream.ReadAsync(_buffer, 0, BufferSize).ConfigureAwait(false);
}
}
private async Task OnReadInternal(int nread)
{
_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 webbrowser has to meassure the content length first.
int parsedBytes = 0;
while (true)
{
try
{
await _ms.WriteAsync(_buffer, parsedBytes, nread - parsedBytes);
if (_ms.Length > 32768)
{
await CloseAsync(true);
return;
}
}
catch
{
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 || !_epl.BindContext(_context))
{
await CloseAsync(true);
return;
}
var listener = _context.Listener;
if (_lastListener != listener)
{
RemoveConnection();
listener.AddConnection(this);
_lastListener = listener;
}
_contextBound = true;
listener.RegisterContext(_context);
return;
}
parsedBytes = nread;
nread += await Stream.ReadAsync(_buffer, nread, BufferSize - nread);
}
}
private HttpListener SearchListener(Uri uri, out ListenerPrefix prefix)
{
prefix = null;
if (uri == null)
{
return(null);
}
var host = uri.Host;
var port = uri.Port;
var path = WebUtility.UrlDecode(uri.AbsolutePath);
var pathSlash = path[path.Length - 1] == '/' ? path : path + "/";
HttpListener bestMatch = null;
var bestLength = -1;
if (!string.IsNullOrEmpty(host))
{
var result = _prefixes;
foreach (var p in result.Keys)
{
if (p.Path.Length < bestLength)
{
continue;
}
if (p.Host != host || p.Port != port)
{
continue;
}
if (!path.StartsWith(p.Path) && !pathSlash.StartsWith(p.Path))
{
continue;
}
bestLength = p.Path.Length;
bestMatch = result[p];
prefix = p;
}
if (bestLength != -1)
{
return(bestMatch);
}
}
var list = _unhandled;
bestMatch = MatchFromList(path, list, out prefix);
if (path != pathSlash && bestMatch == null)
{
bestMatch = MatchFromList(pathSlash, list, out prefix);
}
if (bestMatch != null)
{
return(bestMatch);
}
list = _all;
bestMatch = MatchFromList(path, list, out prefix);
if (path != pathSlash && bestMatch == null)
{
bestMatch = MatchFromList(pathSlash, list, out prefix);
}
return(bestMatch);
}
internal HttpListenerPrefixCollection(HttpListener listener)
{
_listener = listener;
}
