public virtual TConnection Generate(Tcp.Connection connection, URL url, params string[] reqSubprotocols)
{
ClientConnection httpClient = new ClientConnection(connection);
OutgoingRequest req = httpClient.Enqueue("HTTP/1.1", "GET", url);
TConnection newConnection = GenerateConnection(connection, req.Head);
string reqExtensions = NegotiatingExtension.Stringify(RequestExtensions());
string key = Secret.GenerateKey();
req["Connection"] = "Upgrade";
req["Upgrade"] = "websocket";
req["Sec-WebSocket-Version"] = "13";
req["Sec-WebSocket-Key"] = key;
if (reqSubprotocols.Length > 0)
{
req["Sec-WebSocket-Protocol"] = SubprotocolNegotiation.Stringify(reqSubprotocols);
}
if (reqExtensions.Length > 0)
{
req["Sec-WebSocket-Extensions"] = reqExtensions;
}
req.OnResponse += (res) =>
{
if (!VerifyResponseHead(res, key))
{
httpClient.Terminate(); return;
}
string subprotocol = res["Sec-WebSocket-Protocol"];
if (subprotocol != null)
{
bool validSubprotocol = false;
for (int i = 0; i < reqSubprotocols.Length; i++)
{
if (reqSubprotocols[i] == subprotocol)
{
validSubprotocol = true; break;
}
}
if (!validSubprotocol)
{
httpClient.Terminate(); return;
}
}
newConnection.SetSubprotocol(subprotocol);
if (
!NegotiatingExtension.TryParse(res["Sec-WebSocket-Extensions"] ?? "", out NegotiatingExtension[] resExtensions) ||
!CheckExtensions(resExtensions)
)
{
httpClient.Terminate(); return;
}
byte[] trail = httpClient.Freeze();
if (!httpClient.End())
{
return;
}
newConnection.Initiate(trail);
};
protected virtual bool RequestHandler(IncomingRequest req, OutgoingResponse res)
{
if (!CheckHeaders(req, res))
{
return(false);
}
IPAddress remote = res.Connection.Base.RemoteAddress;
if (!SubprotocolNegotiation.TryParse(req["Sec-WebSocket-Protocol"] ?? "", out string[] subprotocols))
