private void ReadMessageAync(IAsyncResult ar)
{
var sock = (Socket)ar.AsyncState;
try
{
var countread = sock.EndReceive(ar);
if (countread > 0)
{
var data = _Encoding.GetString(_readbuffer);
if (new System.Text.RegularExpressions.Regex("websocket").IsMatch(data) && !_SocketHandshake)
{
WebSocketSecKey = new System.Text.RegularExpressions.Regex("Sec-WebSocket-Key: (.*)")
.Match(data).Groups[1].Value.Trim();
const string eol = "\r\n"; // HTTP/1.1 defines the sequence CR LF as the end-of-line marker
Byte[] response = Encoding.UTF8.GetBytes("HTTP/1.1 101 Switching Protocols" + eol
+ "Connection: Upgrade" + eol + "Upgrade: websocket" + eol
+ "Sec-WebSocket-Accept: " + Convert.ToBase64String(System.Security.Cryptography.SHA1.Create().ComputeHash(Encoding.UTF8.GetBytes(
WebSocketSecKey
+ "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"))) + eol + eol);
_ClientSocket.Send(response);
_SocketHandshake = true;
_Sockettype = MySocketType.Websocket;
}
else
{
var message = MessageHandle.PrepareReceivedData(_readbuffer, _Encoding);
if (!string.IsNullOrWhiteSpace(message.Text) && !string.IsNullOrWhiteSpace(message.FromId) &&
!string.IsNullOrWhiteSpace(message.ToId))
{
ClientId = string.IsNullOrWhiteSpace(ClientId) ? message.FromId : ClientId;
SendingMessageQueue.SendingMessages.Enqueue(message);
}
}
}
}
catch (Exception e)
{
Console.WriteLine("Error In SendMessage Method : " + e.Message);
}
// sock.EndConnect(ar);
WaitforData();
}
public static byte[] PrepareDataforSending(MessageUM msg, Encoding encoding, MySocketType sockettype, string webSocketSecKey)
{
try
{
if (sockettype != MySocketType.Websocket)
{
return(encoding.GetBytes(msg.Text));
}
var lb = new List <byte> {
0x81, (byte)msg.Text.Length
};
lb.AddRange(Encoding.UTF8.GetBytes(msg.Text));
return(lb.ToArray());
}
catch (Exception e)
{
Console.WriteLine("Error In PreaparingData Method : " + e.Message);
return(null);
}
}
/*
public MySocket(MySocketType type)
{
MySocket(type,BUFFER_SIZE,0);
}
public MySocket(MySocketType type, int bufferSize)
{
MySocket(type,bufferSize,0);
}
*/
public MySocket(MySocketType type, int bufferSize, int port)
{
epRemote = (System.Net.EndPoint)
new System.Net.IPEndPoint(System.Net.IPAddress.Any,0);
epLocal = (System.Net.EndPoint)
new System.Net.IPEndPoint(Dns.Resolve(Environment.MachineName).AddressList[0],port);
switch (type)
{
case MySocketType.TcpSocket:
socketLocal = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
break;
case MySocketType.UdpSocket:
socketLocal = new Socket(AddressFamily.InterNetwork,SocketType.Dgram,ProtocolType.Udp);
break;
}
socketLocal.Bind(epLocal);
this.buffer = new byte[bufferSize];
}