static void Main(string[] args)
{
try
{
server = new ServerObject();
listenThread = new Thread(new ParameterizedThreadStart(server.Listen));
listenThread.Start(port);
}
catch (Exception ex)
{
server.Disconnect();
Console.WriteLine(ex.Message);
}
var ip = Dns.GetHostEntry(Dns.GetHostName())
.AddressList
.First(address => address.AddressFamily == AddressFamily.InterNetwork);
//string ip = new WebClient().DownloadString("http://icanhazip.com");
SocketPermission permisSocket = new SocketPermission(
NetworkAccess.Connect, TransportType.Tcp, "localhost",
port);
permisSocket.Assert();
Console.WriteLine($"Your IP is {ip}");
Console.WriteLine("Enter ipv4 to connect");
host = Console.ReadLine();
Console.Write("Enter your name ");
userName = Console.ReadLine();
Console.WriteLine("Enter the connection port. Default is 8888");
int connectionPort = int.Parse(Console.ReadLine());
client = new TcpClient();
try
{
client.Connect(host, connectionPort);
stream = client.GetStream();
string message = userName;
byte[] data = Encoding.Unicode.GetBytes(message);
stream.Write(data, 0, data.Length);
Thread receiveThread = new Thread(new ThreadStart(ReceiveMessage));
receiveThread.Start();
Console.WriteLine("Welcome, {0}", userName);
SendMessage();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Disconnect();
}
}
public static void MethodA(string option)
{
Console.WriteLine("MethodA");
Console.WriteLine("option - {0}", option);
IPHostEntry ipHost = Dns.Resolve("127.0.0.1");
IPAddress ipAddr = ipHost.AddressList[0];
IPEndPoint ipEndPoint = new IPEndPoint(ipAddr, 11000);
Socket sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
SocketPermission permitSocket = new SocketPermission(NetworkAccess.Connect, TransportType.Tcp, "127.0.0.1", SocketPermission.AllPorts);
if (option.Equals("deny"))
{
permitSocket.Deny();
}
else
{
permitSocket.Assert();
}
try
{
sender.Connect(ipEndPoint);
Console.WriteLine("Scoket connected to {0}", sender.RemoteEndPoint.ToString());
byte[] bytes = new byte[1024];
byte[] msg = Encoding.ASCII.GetBytes("Test message<TheEnd>");
int bytesSent = sender.Send(msg);
int bytesRec = sender.Receive(bytes);
Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));
}
catch (SocketException ex)
{
Console.WriteLine("Socket exception!\n {0}", ex.ToString());
}
catch (SecurityException ex)
{
Console.WriteLine("Security exception!\n {0}", ex.ToString());
}
finally {
if (sender.Connected)
{
sender.Shutdown(SocketShutdown.Both);
sender.Close();
}
}
Console.WriteLine("Closing MethodA");
}
