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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Diagnostics;
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using System.Drawing;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace _05_SocketServidorUDP {
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public partial class Form1 : Form {
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public Form1() {
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InitializeComponent();
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}
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private void button1_Click(object sender, EventArgs e) {
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int numDatos;
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byte[] byteRecibidos = new byte[1000];
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byte[] byteEnviados = new byte[1000];
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Socket miSocketServidor = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
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IPEndPoint miDireccionEscucha = new IPEndPoint(IPAddress.Any, 2000);
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try {
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miSocketServidor.Bind(miDireccionEscucha);
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IPEndPoint receptor = new IPEndPoint(IPAddress.Any, 0);
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EndPoint remoto = (EndPoint)(receptor);
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//recepción de datos
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numDatos = miSocketServidor.ReceiveFrom(byteRecibidos, ref remoto);
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Debug.WriteLine("Datos recibidos del cliente: " + remoto.ToString());
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this.label1.Text = Encoding.ASCII.GetString(byteRecibidos, 0, numDatos);
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//envío de datos
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byteEnviados = Encoding.ASCII.GetBytes(this.textBox1.Text);
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miSocketServidor.SendTo(byteEnviados, byteEnviados.Length, SocketFlags.None, remoto);
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miSocketServidor.Close();
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}
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catch (Exception error) {
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Debug.WriteLine("Error: {0}", error.ToString());
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}
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}
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}
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}
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