C# udp通讯多网卡/虚拟机指定某个网卡通讯-编程知识

C# udp通讯多网卡/虚拟机指定某个网卡通讯

news/2024/9/18 23:03:03/文章来源:https://www.cnblogs.com/QJZY/p/18419526

LocalIP = GetAllAdaptersIPAddress();
Task.Run(() =>
{
try
{
//接收广播
UdpClient udpClient = new UdpClient(new IPEndPoint(IPAddress.Any, 6789));
while (true)
{
IPEndPoint AnyIP = new IPEndPoint(IPAddress.Any, 0);
byte[] data = udpClient.Receive(ref AnyIP);}
}
catch (Exception e)
{
ShowMsg(e.Message);
LogError(e.Message);
}
Thread.Sleep(10000);
});
Task.Run(() =>
{
try
{

using (UdpClient udpClient = new UdpClient(new IPEndPoint(LocalIP, 6789)) { })
{
IPEndPoint broadcastEP = new IPEndPoint(IPAddress.Broadcast, 6789);while (true) // 无限循环发送
{
// 发送广播
udpClient.SendAsync(sendBytes1, sendBytes1.Length, broadcastEP);Thread.Sleep(2000);
}
}
}
catch (Exception e)
{
ShowMsg(e.Message);
LogError(e.Message);
}
Thread.Sleep(10000);
});
//获取本机IP

public static IPAddress GetAllAdaptersIPAddress()
{
foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces())
{
if (adapter.Description.Contains("Loopback")) continue;//跳过环回地址127.0.0.1

if (adapter.OperationalStatus == OperationalStatus.Up) //连接上的网口
{
var addresses = adapter.GetIPProperties().UnicastAddresses;

foreach (var ip in addresses)
{
if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
{
if(ip.Address.ToString().Contains("192.168.8"))
{
return ip.Address;
}

}
}
}
}
return null;

}