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我是网络编程的新手,我遇到了一些我一直在测试的代码作为局域网聊天程序基础的问题。非接收UDP问题
服务器代码:
public static void Main()
{
UdpClient publisher = new UdpClient("230.0.0.1", 8899);
UdpClient subscriber = new UdpClient("230.0.0.2", 8800);
IPAddress addr = IPAddress.Parse("230.0.0.1");
subscriber.JoinMulticastGroup(addr);
Console.WriteLine("Running chat program at 230.0.0.1:8899");
while (true)
{
IPEndPoint ep = null;
byte[] chats = subscriber.Receive(ref ep);
string chatstring = Encoding.ASCII.GetString(chats);
Console.WriteLine(chatstring);
string msg = String.Format(chatstring);
byte[] sdata = Encoding.ASCII.GetBytes(msg);
publisher.Send(sdata, sdata.Length);
System.Threading.Thread.Sleep(500);
}
}
该客户端程序:
static void Main(string[] args)
{
UdpClient subscriber = new UdpClient("230.0.0.1", 8899);
IPAddress addr = IPAddress.Parse("230.0.0.1");
subscriber.JoinMulticastGroup(addr);
IPEndPoint ep = null;
Thread SendChats = new Thread(Send);
SendChats.Start();
while (true)
{
byte[] receivedbytes = subscriber.Receive(ref ep);
string receivedchats = Encoding.ASCII.GetString(receivedbytes);
Console.WriteLine(receivedchats);
Thread.Sleep(500);
}
}
static void Send()
{
UdpClient publisher = new UdpClient("230.0.0.2", 8800);
while (true)
{
string msg = Console.ReadLine();
byte[] sdata = Encoding.ASCII.GetBytes(msg);
publisher.Send(sdata, sdata.Length);
Thread.Sleep(400);
}
}
通过我的盘算,服务器程序应该从客户端接收数据,但很可惜,一个消息在输入后并交付,从来没有任何事情可以通过。我错过了什么吗?
防止路由器?当这只在局域网上的两台或更多台计算机之间运行时... ...和捕获的TY。我删除了用户的地址,并更改了addr变量。 – Bloodyaugust 2009-12-18 19:52:11
没有probs。如果您尝试通过不同的LAN网段发送组播数据包,路由器/交换机问题才会起作用。如果客户端和服务器在同一个LAN上,那么这是无关紧要的。 – Paolo 2009-12-19 13:39:43