using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using UnityEngine;

public class UdpClient : MonoBehaviour
{

    private static Socket sock;
    private static IPEndPoint iep1;
    private static byte[] data;
    private Thread t;
    public EndPoint ep;
    public GetIPAndLogin getname;
    string Error_Message;
    public int udpPort = 9050;


    void Awake()
    {
        GetSeverIP();
    }

    void GetSeverIP()
    {
        try
        {
            t = new Thread(Receive);
            t.Start();
            
        }
        catch (Exception e)
        {
            Debug.LogError("错误信息：" + e.Message);
        }
    }

    void Receive()
    {
        sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
        IPEndPoint iep = new IPEndPoint(IPAddress.Any, udpPort);
        sock.Bind(iep);
         ep = (EndPoint)iep;
       
        while (true)
        {

            byte[] data = new byte[1024];
            getname.isTrue = true;
            getname.Cleartemp();
            int recv = sock.ReceiveFrom(data, ref ep);
            string stringData = Encoding.ASCII.GetString(data, 0, recv);
            getname.isTrue = false ;


            if (ep.ToString() != null)
            {
                string[] tsIP = ep.ToString().Split(':');
                getname.AddName(stringData+"_"+tsIP[0]);

            }

            Debug.Log(String.Format("received: {0} from: {1}", stringData, ep.ToString()));
            Thread.Sleep(2000);
        }

       // sock.Close();
    }

    private void OnDestroy()
    {
        t = null;
        sock.Close();       
    }
}