通过单个套接字多次发送数据

时间:2012-02-23 02:51:26

标签: c# .net sockets c#-4.0

服务器端代码:

static void Main(string[] args)
        {
            static Socket sck;
            Console.WriteLine("Server Started...");
            sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            sck.Bind(new IPEndPoint(0, 1234));
            while (true)
            {
                sck.Listen(100);
                Socket accepted = sck.Accept();
                buffer = new byte[accepted.SendBufferSize];
                int bytesRead = accepted.Receive(buffer);
                byte[] formatted = new byte[bytesRead];
                for (int i = 0; i < bytesRead; i++)
                    formatted[i] = buffer[i];
                string strdata = Encoding.ASCII.GetString(formatted);
                Console.WriteLine(strdata + "\r");
            //    sck.Close();
            }

客户端代码:

static void Main(string[] args)
        {
            static Socket sck;
            sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            IPEndPoint localEndpt = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 1234);
            try
            {
                sck.Connect(localEndpt);
            }
            catch
            {
                Console.Write("Unable to Connect");
            }
            while (true)
            {
                Console.WriteLine("Enter Text");
                string sendtext = Console.ReadLine();
                byte[] Data = Encoding.ASCII.GetBytes(sendtext);
                sck.Send(Data);
                Console.WriteLine("Data Sent!");
                //sck.Close();
                //Console.Read();
            }

我想多次从客户端发送文本,但文本只是第一次发送。请告诉我哪里出错了。

1 个答案:

答案 0 :(得分:1)

问题出在您的服务器上。您正在循环中侦听新连接,接受它并接收数据。然而,听到的声明看到的是一个想要连接的客户端。您的accept语句实际连接客户端,您的receive语句接收第一个数据。之后,您的服务器再次开始侦听新连接,但未从现有连接接收更多数据。您应该围绕Accept语句构建一个循环,并围绕服务器上的Receive语句循环以解决此问题