Question

我已经尝试过很多可能的解决方案，不同类型的写作和阅读流程以及所有这些。但我似乎无法让我的代码工作。

我基本上只想简单地向localhost：25565发送消息，然后使用Console.WriteLine（）读取本地消息：25565的消息;

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这是我调试应用时出现的内容。 https://gyazo.com/95464cc4201c98ccd04cac004b0ea540

在之后停止。您可以阅读此流。

提前感谢您的帮助。

Answer 1

您缺少侦听服务器套接字上的Accept调用。

以下是您修改后的示例。服务器部分现在在后台线程中运行，因此服务器和客户端可以并行运行。

public class Program
{
    public static readonly int Port = 25565;    
    public static readonly string Localhost = "127.0.0.1";
    public static readonly string Host = "127.0.0.1";

    public static void RunServer()
    {
        // start the server
        IPAddress localAdd = IPAddress.Parse(Localhost);
        TcpListener listener = new TcpListener(localAdd, Port);
        listener.Start();
        Console.WriteLine($"Server: Listening on {localAdd}:{Port}");
        // TODO proper exit from server
        while (true)
        {
            // accept client socket -- note that we handle only one connection at a time
            Socket cliSoc = listener.AcceptSocketAsync().Result;
            Console.WriteLine($"Server: Client socket accepted, from {cliSoc.LocalEndPoint}");
            while (true)
            {
                if (!cliSoc.Connected)
                    break;
                int bufLen = 1000;
                byte[] buf = new byte[bufLen];
                int read = cliSoc.Receive(buf);
                if (read == 0)
                    break;
                string msg = System.Text.Encoding.ASCII.GetString(buf, 0, read);
                Console.WriteLine($"Server: Read from socket: {read} '{msg}'");

                string response = "OK";
                byte[] responseArr = System.Text.Encoding.ASCII.GetBytes(response.ToCharArray());
                int sent = cliSoc.Send(responseArr);
                Console.WriteLine($"Server: sent response ({sent} bytes)");

                cliSoc.Shutdown(SocketShutdown.Both);
            }
            Console.WriteLine($"Server: Client socket closed");
        }
    }

    public static void Connect(string message)
    {
        Task.Run(() => RunServer());

        try
        {
            TcpClient client = new TcpClient();
            client.ConnectAsync(Host, Port).Wait();
            client.NoDelay = true;
            NetworkStream stream = client.GetStream();

            if (stream.CanWrite)
            {
                Console.WriteLine("Client: You can write to this NetworkStream.");

                StreamWriter writer = new StreamWriter(stream);
                writer.Write(message);
                writer.Flush();
                Console.WriteLine($"Client: Wrote to stream ({message}).");
            }
            else
            {
                Console.WriteLine("Client: Sorry.  You cannot write to this NetworkStream.");
            }

            String responseData = String.Empty;

            Console.WriteLine("Client: Reading");

            if(stream.CanRead)
            {
                Console.WriteLine("Client: You can read this stream");

                StreamReader reader = new StreamReader(stream);
                string recievedData = reader.ReadToEnd();
                Console.WriteLine($"Client: Read: {recievedData}");

            }
            else
            {
                Console.WriteLine("Client: Sorry.  You cannot read from this NetworkStream.");
            }

            Console.WriteLine("Client: All completed test");


            stream.Flush();
            //client.Close();
        }
        catch (ArgumentNullException e)
        {
            Console.WriteLine("ArgumentNullException: {0}", e);
        }
        catch (SocketException e)
        {
            Console.WriteLine("SocketException: {0}", e);
        }

        Console.WriteLine("\n Press Enter to continue...");
        Console.Read();
    }

    public static void Main(string[] args)
    {
        Connect("Hi there!");
    }

尝试从网络流中读取C＃代码时挂起

1 个答案: