private void OnRequest(HttpServerRequest req, HttpConnection conn)
{
if (conn.Writable)
{
conn.Write("HTTP/1.1 426 Upgrade Required\r\n" +
"Connection: close\r\n" +
"Content-Length: 0\r\n" +
"\r\n");
}
conn.Close();
}
internal void HandleRequest(HttpServerRequest msg, HttpConnection conn)
{
if (OnRequest != null)
{
OnRequest(msg, conn);
}
else
{
var s = "HTTP 500 Internal Server Error\r\n\r\n";
conn.Write(new ArraySegment <byte>(Encoding.ASCII.GetBytes(s)));
conn.End();
}
}
internal void HandleUpgrade(HttpServerRequest msg, TcpSocket socket, ArraySegment <byte> header)
{
try {
if (OnUpgrade != null)
{
OnUpgrade.Invoke(msg, socket, header);
}
else
{
socket.Close();
}
}
catch {
socket.Close();
}
}
/// <summary>
/// Handle a HTTP Upgrade request.
/// </summary>
/// <param name="req"></param>
/// <param name="conn"></param>
public void HandleUpgrade(HttpServerRequest req, TcpSocket socket, ArraySegment <byte> head)
{
if (!socket.Readable || !socket.Writable)
{
socket.Destroy();
return;
}
if (OnConnection == null)
{
AbortConnection(socket, 400);
return;
}
var upgrade = req.Headers["upgrade"];
var version = req.Headers["sec-websocket-version"];
if ((version != "13" && version != "8") ||
!string.Equals(upgrade, "websocket", StringComparison.InvariantCultureIgnoreCase))
{
socket.Write(Encoding.ASCII.GetBytes(
"HTTP/1.1 400 Bad Request\r\n" +
"Connection: close\r\n" +
"Sec-WebSocket-Version: 13, 8\r\n"));
socket.Close();
return;
}
string acceptKey;
using (var sha1 = new System.Security.Cryptography.SHA1CryptoServiceProvider()) {
var key = req.Headers["sec-websocket-key"];
acceptKey = Convert.ToBase64String(sha1.ComputeHash(Encoding.ASCII.GetBytes(key + GUID)));
}
socket.Write(Encoding.UTF8.GetBytes(
"HTTP/1.1 101 Switching Protocols\r\n" +
"Upgrade: websocket\r\n" +
"Connection: Upgrade\r\n" +
"Sec-WebSocket-Accept: " + acceptKey + "\r\n\r\n"));
socket.Flush();
OnConnection.Invoke(new WebSocket(socket, req, head));
}
internal WebSocket(TcpSocket socket, HttpServerRequest context, ArraySegment <byte> head)
{
_context = context;
_socket = socket;
_socket.OnData += OnData;
_socket.OnDisconnected += OnSocketDisconnected;
_recvstate = RecvStat.Start1;
_fragmented = 0;
_payloadData = new BufferData();
_sendingQueue = new BufferData();
_sendingTextMode = false;
_sendingMaskMode = false;
_isserver = true;
_state = SocketStat.Open;
if (head.Count > 0)
{
OnData(_socket, head);
}
_socket.NoDelay = true;
_socket.ReceiveStart();
}
public void End()
{
_socket.Flush();
_msg = null;
if (_parser.ShouldKeepAlive())
{
_parser.Pause(false);
if (_pausedData.Count > 0)
{
var data = _pausedData;
_pausedData = new ArraySegment <byte>();
OnData(_socket, data);
}
if (_parser.Errno == HttpParserError.OK)
{
_socket.ReceiveStart();
}
}
else
{
Close();
}
}
private int OnMessageBegin()
{
_msg = new HttpServerRequest();
return(0);
}