C# UDP 广播和接收示例
本文关键字:UDP 广播 | 更新日期: 2023-09-27 18:17:59
问题:我正在尝试在特定地址上绑定 udp 套接字。我会广播一个消息。同一个套接字需要能够接收消息。
当前代码:
static void Main()
{
UdpClient Configuration = new UdpClient(new IPEndPoint(IPAddress.Parse(data.IPAddress), configuration.Port)); //set up the bind to the local IP address of my choosing
ConfigurationServer.EnableBroadcast = true;
Configuration.Connect(new IPEndpoint(IPAddress.Parse(data.BroadcastIP), configuration.Port);
Listen();
}
private void Listen()
{
Task.Run(async () =>
{
while (true)
{
var remoteIp = new IPEndPoint(IPAddress.Any, configuration.Port);
var data = await ConfigurationServer.ReceiveAsync();
// i would send based on what data i received here
int j = 32;
}
}
});
}
我没有在侦听线程上接收数据。我知道另一端的代码是有效的,并且向 IP/端口组合发送定向 UDP 消息。
它可以简单地完成为
int PORT = 9876;
UdpClient udpClient = new UdpClient();
udpClient.Client.Bind(new IPEndPoint(IPAddress.Any, PORT));
var from = new IPEndPoint(0, 0);
var task = Task.Run(() =>
{
while (true)
{
var recvBuffer = udpClient.Receive(ref from);
Console.WriteLine(Encoding.UTF8.GetString(recvBuffer));
}
});
var data = Encoding.UTF8.GetBytes("ABCD");
udpClient.Send(data, data.Length, "255.255.255.255", PORT);
task.Wait();