public async void Handshaking(TcpClient client)
{
NetworkStream networkStream = client.GetStream();
byte[] bufferReceive = new byte[client.Available];
await networkStream.ReadAsync(bufferReceive, 0, bufferReceive.Length);
string[] request = Encoding.ASCII.GetString(bufferReceive).Split(Environment.NewLine);
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("method", request[0]);
for (int i = 1; i < request.Length - 2; i++)
{
if (request[i].Contains(':'))
{
Console.WriteLine(request[i]);
string[] values = request[i].Split(':');
headers.Add(values[0].ToLower(), values[1].TrimStart());
}
}
if (headers["method"].StartsWith("GET"))
{
string response = "HTTP/1.1 101 Switching Protocols" + Environment.NewLine;
response += "Connection: Upgrade" + Environment.NewLine;
response += "Upgrade: websocket" + Environment.NewLine;
byte[] hash = SHA1.Create().ComputeHash(Encoding.UTF8.GetBytes(headers["Sec-WebSocket-Key"] + _shaKey));
response += "Sec-WebSocket-Accept: " + Convert.ToBase64String(hash);
response += Environment.NewLine + Environment.NewLine;
Console.WriteLine();
Console.WriteLine(response);
byte[] bufferSend = Encoding.UTF8.GetBytes(response);
await networkStream.WriteAsync(bufferSend, 0, bufferSend.Length);
}
WsClient wsClient = new WsClient(client);
_server.OnClientConnect(wsClient);
}