socket TCP

 

//receive TCP message

 

 

class Program

{

 

 

static void Main(string

[] args)

{

 

 

const int

PORT = 1979;

 

 

// check the system support ipv6

 

 

//if (!Socket.OSSupportsIPv6)

 

 

//{

 

 

// Console.Error.WriteLine("Your system does not support IPv6/r/n" +

 

 

// "Check you have IPv6 enabled and have changed machine.config");

 

 

// Console.ReadKey();

 

 

//}

 

 

//else

 

 

//{

 

 

// Console.WriteLine("wwwwwww");

 

 

 

//}

 

 

Socket listener = new Socket

(

 

 

//AddressFamily.InterNetworkV6,

 

 

AddressFamily

.InterNetwork,

 

 

SocketType

.Stream,

 

 

ProtocolType

.Tcp);

 

 

//listener.Bind(new IPEndPoint(IPAddress.IPv6Any, PORT));

listener.Bind(

 

new IPEndPoint(IPAddress

.Any, PORT));

listener.Listen(0);

 

// try to receive a socket

 

 

Socket

socket = listener.Accept();

listener.Close();

 

 

byte[] b = new byte

[100];

 

 

int

len;

 

 

while

((len = socket.Receive(b)) != 0)

{

System.

 

Console.WriteLine("RX: "

+

System.Text.

 

ASCIIEncoding

.ASCII.GetString(b, 0, len));

b =

 

new byte

[11];

 

 

/////////////////////////////////////////////////////////////////////////////////////

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

// send TCP message

 

 

class

Program

{

 

 

static void Main(string

[] args)

{

 

 

const int

PORT = 1979;

 

 

//const string IPv6_ADDR = "fe80::c0b3:e4cf:44f5:32b5";

 

 

//IPAddress ipa = IPAddress.Parse(IPv6_ADDR);

 

 

const string IPv4_ADDR = "127.0.0.1"

;

 

 

IPAddress ipa = IPAddress

.Parse(IPv4_ADDR);

 

 

 

IPEndPoint ipeh = new IPEndPoint

(ipa, PORT);

 

 

Socket connection = new Socket

(

 

 

//ipa.AddressFamily,

 

 

AddressFamily

.InterNetwork,

 

 

//AddressFamily.InterNetworkV6,

 

 

SocketType

.Stream,

 

 

ProtocolType

.Tcp);

 

connection.Connect(ipeh);

 

 

byte[] b = System.Text.ASCIIEncoding.ASCII.GetBytes("hello world"

);

 

 

for (int

x = 0; x < 10; x++)

{

 

 

Console.WriteLine("TX: " + System.Text.ASCIIEncoding

.ASCII.GetString(b));

connection.Send(b);

 

 

Thread

.Sleep(1000);