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我试图发送一个广播,然后让服务器回复成广播:发送答复与插座
public static void SendBroadcast()
{
byte[] buffer = new byte[1024];
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
socket.Connect(new IPEndPoint(IPAddress.Broadcast, 16789));
socket.Send(System.Text.UTF8Encoding.UTF8.GetBytes("Anyone out there?"));
var ep = socket.LocalEndPoint;
socket.Close();
socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.Bind(ep);
socket.Receive(buffer);
var data = UTF8Encoding.UTF8.GetString(buffer);
Console.WriteLine("Got reply: " + data);
socket.Close();
}
public static void ReceiveBroadcast()
{
byte[] buffer = new byte[1024];
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
var iep = new IPEndPoint(IPAddress.Any, 16789);
socket.Bind(iep);
var ep = iep as EndPoint;
socket.ReceiveFrom(buffer, ref ep);
var data = Encoding.UTF8.GetString(buffer);
Console.WriteLine("Received broadcast: " + data + " from: " + ep.ToString());
buffer = UTF8Encoding.UTF8.GetBytes("Yeah me!");
socket.SendTo(buffer, ep);
socket.Close();
}
广播到达罚款,但答复没有。没有例外被抛出。谁能帮我?我是否必须为回复或其他内容打开新的连接?
编辑:改变了我的代码了一下,现在它的工作!感谢您的回复!
你说得对,谢谢! – eWolf 2009-11-01 19:04:14