private async Task <HttpRequest> ReadByteFromClientSocketAndBuildRequest(Socket socketAccepted)
{
byte[] bufferReceive = new byte[_bufferLength];
using (var received = new MemoryStream())
{
while (true)
{
int receiveLength = socketAccepted.Receive(bufferReceive);
if (receiveLength <= 0)
{
break;
}
received.Write(bufferReceive, 0, receiveLength);
if (receiveLength <= _bufferLength)
{
break;
}
}
string data = Encoding.UTF8.GetString(received.ToArray());
var tempReq = await HttpTransform.BuildHttpRequest(data);
return(tempReq);
}
}
internal static async Task <HttpRequest> DoHandShaking(TcpClient clientWssAccepted, NetworkStream clientStream, byte[] wssReceivedBytes)
{
string wss1stData = Encoding.UTF8.GetString(wssReceivedBytes);
HttpRequest firstRequest = null;
if (Regex.IsMatch(wss1stData, "^GET", RegexOptions.IgnoreCase))
{
firstRequest = await HttpTransform.BuildHttpRequest(wss1stData);
WebsocketServerHub.Register(firstRequest.UrlRelative, clientWssAccepted, clientStream);
//do handshaking
string swk = Regex.Match(wss1stData, "Sec-WebSocket-Key: (.*)").Groups[1].Value.Trim();
string swka = swk + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
byte[] swkaSha1 = System.Security.Cryptography.SHA1.Create().ComputeHash(Encoding.UTF8.GetBytes(swka));
string swkaSha1Base64 = Convert.ToBase64String(swkaSha1);
byte[] response = Encoding.UTF8.GetBytes(
"HTTP/1.1 101 Switching Protocols\r\n" +
"Connection: Upgrade\r\n" +
"Upgrade: websocket\r\n" +
"Sec-WebSocket-Accept: " + swkaSha1Base64 + "\r\n\r\n");
await clientStream.WriteAsync(response, 0, response.Length);
return(firstRequest);
}
return(firstRequest);
}