C＃中如何使用UDP广播做网络发现 [英] C# How to do Network discovery using UDP Broadcast

问题描述

我想在C＃中使用UDP广播做网络发现。我不知道如何做到这一点。
需要关于如何做到这一点建议吗？

I want to to do network discovery using UDP Broadcast on c#. I don't know how to do this. Need some advice on how to do it?

我想要做这样的教程
<一href=\"http://michieldemey.be/blog/network-discovery-using-udp-broadcast/\">http://michieldemey.be/blog/network-discovery-using-udp-broadcast/

推荐答案

这很简单，做同样的事情在C＃

It's very simple to make same thing in C#

服务器：

var Server = new UdpClient(8888);
var ResponseData = Encoding.ASCII.GetBytes("SomeResponseData");

while (true)
{
    var ClientEp = new IPEndPoint(IPAddress.Any, 0);
    var ClientRequestData = Server.Receive(ref ClientEp);
    var ClientRequest = Encoding.ASCII.GetString(ClientRequestData);

    Console.WriteLine("Recived {0} from {1}, sending response", ClientRequest, ClientEp.Address.ToString());
    Server.Send(ResponseData, ResponseData.Length, ClientEp);
}

客户：

var Client = new UdpClient();
var RequestData = Encoding.ASCII.GetBytes("SomeRequestData");
var ServerEp = new IPEndPoint(IPAddress.Any, 0);

Client.EnableBroadcast = true;
Client.Send(RequestData, RequestData.Length, new IPEndPoint(IPAddress.Broadcast, 8888));

var ServerResponseData = Client.Receive(ref ServerEp);
var ServerResponse = Encoding.ASCII.GetString(ServerResponseData);
Console.WriteLine("Recived {0} from {1}", ServerResponse, ServerEp.Address.ToString());

Client.Close();

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