{"id":405680,"date":"2023-09-05T06:08:14","date_gmt":"2023-09-04T22:08:14","guid":{"rendered":"https:\/\/www.idc.net\/help\/405680\/"},"modified":"2023-09-05T06:08:14","modified_gmt":"2023-09-04T22:08:14","slug":"c-socket%e5%bc%82%e6%ad%a5%e9%80%9a%e8%ae%af%e5%ae%9e%e7%8e%b0%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/405680\/","title":{"rendered":"C# Socket\u5f02\u6b65\u901a\u8baf\u5b9e\u73b0\u8be6\u89e3"},"content":{"rendered":"

C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u5b9e\u73b0\u6e90\u7801<\/p>\n

C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u4e4b\u4e3b\u7a0b\u5e8f\uff1a<\/p>\n

\n \n \n 
    \n  \n  \n  
  1. using System;
    <\/span><\/span><\/li>\n  \n  \n  
  2. using System.Net;
    <\/span><\/span><\/li>\n  \n  \n  
  3. using System.Net.Sockets;
    <\/span><\/span><\/li>\n  \n  \n  
  4. using System.Threading;
    <\/span><\/span><\/li>\n  \n  \n  
  5. using System.Text;
    <\/span><\/span><\/li>\n  \n  \n  
  6. \/\/ State object for receiving data from remote device.
    <\/span><\/span><\/li>\n  \n  \n  
  7. public class StateObject {
    <\/span><\/span><\/li>\n  \n  \n  
  8. \/\/ Client socket.
    <\/span><\/span><\/li>\n  \n  \n  
  9. public Socket workSocket = null;
    <\/span><\/span><\/li>\n  \n  \n  
  10. \/\/ Size of receive buffer.
    <\/span><\/span><\/li>\n  \n  \n  
  11. public const int BufferSize = 256;
    <\/span><\/span><\/li>\n  \n  \n  
  12. \/\/ Receive buffer.
    <\/span><\/span><\/li>\n  \n  \n  
  13. public byte[] buffer = new byte[BufferSize];
    <\/span><\/span><\/li>\n  \n  \n  
  14. \/\/ Received data string.
    <\/span><\/span><\/li>\n  \n  \n  
  15. public StringBuilder sb = new StringBuilder();
    <\/span><\/span><\/li>\n  \n  \n  
  16. }
    <\/span><\/span><\/li>\n  \n  \n  
  17. public class AsynchronousClient {
    <\/span><\/span><\/li>\n  \n  \n  
  18. \/\/ The port number for the remote device.
    <\/span><\/span><\/li>\n  \n  \n  
  19. private const int port = 11000;
    <\/span><\/span><\/li>\n  \n  \n  
  20. \/\/ ManualResetEvent instances signal completion.
    <\/span><\/span><\/li>\n  \n  \n  
  21. private static ManualResetEvent connectDone =
    <\/span><\/span><\/li>\n  \n  \n  
  22. new ManualResetEvent(false);
    <\/span><\/span><\/li>\n  \n  \n  
  23. private static ManualResetEvent sendDone = <\/span><\/span><\/li>\n  \n  \n  
  24. new ManualResetEvent(false);
    <\/span><\/span><\/li>\n  \n  \n  
  25. private static ManualResetEvent receiveDone =
    <\/span><\/span><\/li>\n  \n  \n  
  26. new ManualResetEvent(false);
    <\/span><\/span><\/li>\n  \n  \n  
  27. \/\/ The response from the remote device.
    <\/span><\/span><\/li>\n  \n  \n  
  28. private static String response = String.Empty;
    <\/span><\/span><\/li>\n  \n  \n  
  29. private static void StartClient() {
    \/\/ Connect to a remote device.
    <\/span><\/span><\/li>\n  \n  \n  
  30.  <\/li>\n  \n  \n  
  31. try {\/\/ Establish the remote endpoint for the socket.
    \/\/ The name of the 
    \/\/ remote device is \"host.contoso.com\".
    IPHostEntry ipHostInfo = Dns.Resolve(\"host.contoso.com\");
    IPAddress ipAddress = ipHostInfo.AddressList[0];
    IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);<\/span><\/span> <\/span><\/li>\n  \n  \n  
  32. \/\/ \u751f\u6210\u4e00\u4e2aTCP\/IP socket. <\/span> <\/span><\/li>\n  \n  \n  
  33. Socket client = <\/span>new<\/span> Socket(AddressFamily.InterNetwork,  <\/span><\/li>\n  \n  \n  
  34. SocketType.Stream, ProtocolType.Tcp);  <\/span><\/li>\n  \n  \n  
  35.  <\/span><\/li>\n  \n  \n  
  36. \/\/ \u4e0e\u76ee\u6807\u7ec8\u7aef\u8fde\u63a5. <\/span> <\/span><\/li>\n  \n  \n  
  37. client.BeginConnect(remoteEP,  <\/span><\/li>\n  \n  \n  
  38. new<\/span> AsyncCallback(ConnectCallback), client);  <\/span><\/li>\n  \n  \n  
  39. \/\/\u7b49\u5f85\uff0c\u76f4\u5230\u8fde\u63a5\u7a0b\u5e8f\u5b8c\u6210\u3002\u5728ConnectCallback\u4e2d\u9002\u5f53\u4f4d\u7f6e\u6709connecDone.Set()\u8bed\u53e5 <\/span> <\/span><\/li>\n  \n  \n  
  40. connectDone.WaitOne();  <\/span><\/li>\n  \n  \n  
  41.  <\/span><\/li>\n  \n  \n  
  42. \/\/ \u53d1\u9001\u6570\u636e\u5230\u8fdc\u7a0b\u7ec8\u7aef. <\/span> <\/span><\/li>\n  \n  \n  
  43. Send(client, <\/span>\"This is a test<EOF>\"<\/span>);  <\/span><\/li>\n  \n  \n  
  44. sendDone.WaitOne();  <\/span><\/li>\n  \n  \n  
  45.  <\/span><\/li>\n  \n  \n  
  46. \/\/ \u63a5\u6536\u8fd4\u56de\u6570\u636e. <\/span> <\/span><\/li>\n  \n  \n  
  47. Receive(client);  <\/span><\/li>\n  \n  \n  
  48. receiveDone.WaitOne();  <\/span><\/li>\n  \n  \n  
  49.  <\/span><\/li>\n  \n  \n  
  50. \/\/ Write the response to the console. <\/span> <\/span><\/li>\n  \n  \n  
  51. Console.WriteLine(<\/span>\"Response received : {0}\"<\/span>, response);  <\/span><\/li>\n  \n  \n  
  52.  <\/span><\/li>\n  \n  \n  
  53. \/\/ Release the socket. <\/span> <\/span><\/li>\n  \n  \n  
  54. client.Shutdown(SocketShutdown.Both);  <\/span><\/li>\n  \n  \n  
  55. client.Close();  <\/span><\/li>\n  \n  \n  
  56. return<\/span> 0;  <\/span><\/li>\n  \n  \n  
  57. } <\/span><\/li>\n \n \n <\/ol><\/pre>\n
    C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u4e4b\u8fde\u63a5\u90e8\u5206Callback:<\/p>\n
    \n \n \n 
      \n  \n  \n  
    1. private<\/span> <\/span>static<\/span> <\/span>void<\/span> ConnectCallback(IAsyncResult ar)  <\/span><\/span><\/li>\n  \n  \n  
    2. {  <\/span><\/li>\n  \n  \n  
    3.  <\/span><\/li>\n  \n  \n  
    4. \/\/ \u4ecestate\u5bf9\u8c61\u83b7\u53d6socket. <\/span> <\/span><\/li>\n  \n  \n  
    5. Socket client = (Socket)ar.AsyncState;  <\/span><\/li>\n  \n  \n  
    6.  <\/span><\/li>\n  \n  \n  
    7. \/\/ \u5b8c\u6210\u8fde\u63a5. <\/span> <\/span><\/li>\n  \n  \n  
    8. client.EndConnect(ar);  <\/span><\/li>\n  \n  \n  
    9.  <\/span><\/li>\n  \n  \n  
    10. Console.WriteLine(<\/span>\"Socket connected to {0}\"<\/span>,  <\/span><\/li>\n  \n  \n  
    11. client.RemoteEndPoint.ToString());  <\/span><\/li>\n  \n  \n  
    12.  <\/span><\/li>\n  \n  \n  
    13. \/\/ \u8fde\u63a5\u5df2\u5b8c\u6210\uff0c\u4e3b\u7ebf\u7a0b\u7ee7\u7eed. <\/span> <\/span><\/li>\n  \n  \n  
    14. connectDone.Set();
      <\/span><\/li>\n  \n  \n  
    15. } catch (Exception e) {
      <\/span><\/li>\n  \n  \n  
    16. Console.WriteLine(e.ToString());
      <\/span><\/li>\n  \n  \n  
    17. }
      <\/span><\/li>\n  \n  \n  
    18. }<\/span><\/li>\n \n \n <\/ol><\/pre>\n
      C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u4e4b\u6570\u636e\u63a5\u6536\uff1a<\/p>\n
      \n \n \n 
        \n  \n  \n  
      1.    <\/span>private<\/span> <\/span>static<\/span> <\/span>void<\/span> Receive(Socket client)  <\/span><\/span><\/li>\n  \n  \n  
      2. try {{  <\/span><\/li>\n  \n  \n  
      3.  <\/span><\/li>\n  \n  \n  
      4. \/\/ \u6784\u9020\u5bb9\u5668state. <\/span> <\/span><\/li>\n  \n  \n  
      5. StateObject state = <\/span>new<\/span> StateObject();  <\/span><\/li>\n  \n  \n  
      6. state.workSocket = client;  <\/span><\/li>\n  \n  \n  
      7.  <\/span><\/li>\n  \n  \n  
      8. \/\/ \u4ece\u8fdc\u7a0b\u76ee\u6807\u63a5\u6536\u6570\u636e. <\/span> <\/span><\/li>\n  \n  \n  
      9. client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,  <\/span><\/li>\n  \n  \n  
      10. new<\/span> AsyncCallback(ReceiveCallback), state);  <\/span><\/li>\n  \n  \n  
      11. } catch (Exception e) {
        <\/span><\/li>\n  \n  \n  
      12. Console.WriteLine(e.ToString());
        <\/span><\/li>\n  \n  \n  
      13. }
        }<\/span><\/li>\n  \n  \n  
      14.  <\/li>\n  \n  \n  
      15. private<\/span> <\/span>static<\/span> <\/span>void<\/span> ReceiveCallback(IAsyncResult ar)  <\/span><\/li>\n  \n  \n  
      16. {  <\/span><\/li>\n  \n  \n  
      17.  <\/span><\/li>\n  \n  \n  
      18. \/\/ \u4ece\u8f93\u5165\u53c2\u6570\u5f02\u6b65state\u5bf9\u8c61\u4e2d\u83b7\u53d6state\u548csocket\u5bf9\u8c61 <\/span> <\/span><\/li>\n  \n  \n  
      19. StateObject state = (StateObject)ar.AsyncState;  <\/span><\/li>\n  \n  \n  
      20. Socket client = state.workSocket;  <\/span><\/li>\n  \n  \n  
      21.  <\/span><\/li>\n  \n  \n  
      22. \/\/\u4ece\u8fdc\u7a0b\u8bbe\u5907\u8bfb\u53d6\u6570\u636e <\/span> <\/span><\/li>\n  \n  \n  
      23. int<\/span> bytesRead = client.EndReceive(ar);  <\/span><\/li>\n  \n  \n  
      24.  <\/span><\/li>\n  \n  \n  
      25. if<\/span> (bytesRead > 0)  <\/span><\/li>\n  \n  \n  
      26. {  <\/span><\/li>\n  \n  \n  
      27. \/\/ \u6709\u6570\u636e\uff0c\u5b58\u50a8. <\/span> <\/span><\/li>\n  \n  \n  
      28. state.sb.Append(Encoding.ASCII.GetString(state.buffer, 0, bytesRead));  <\/span><\/li>\n  \n  \n  
      29.  <\/span><\/li>\n  \n  \n  
      30. \/\/ \u7ee7\u7eed\u8bfb\u53d6. <\/span> <\/span><\/li>\n  \n  \n  
      31. client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,  <\/span><\/li>\n  \n  \n  
      32. new<\/span> AsyncCallback(ReceiveCallback), state);  <\/span><\/li>\n  \n  \n  
      33. }  <\/span><\/li>\n  \n  \n  
      34. else<\/span> <\/span><\/li>\n  \n  \n  
      35. {  <\/span><\/li>\n  \n  \n  
      36. \/\/ \u6240\u6709\u6570\u636e\u8bfb\u53d6\u5b8c\u6bd5. <\/span> <\/span><\/li>\n  \n  \n  
      37. if<\/span> (state.sb.Length > 1)  <\/span><\/li>\n  \n  \n  
      38. {  <\/span><\/li>\n  \n  \n  
      39. response = state.sb.ToString();  <\/span><\/li>\n  \n  \n  
      40. }  <\/span><\/li>\n  \n  \n  
      41. \/\/ \u6240\u6709\u6570\u636e\u8bfb\u53d6\u5b8c\u6bd5\u7684\u6307\u793a\u4fe1\u53f7. <\/span> <\/span><\/li>\n  \n  \n  
      42. receiveDone.Set();  <\/span><\/li>\n  \n  \n  
      43. }  <\/span><\/li>\n  \n  \n  
      44. } catch (Exception e) {
        <\/span><\/li>\n  \n  \n  
      45. Console.WriteLine(e.ToString());
        <\/span><\/li>\n  \n  \n  
      46. }
        <\/span><\/li>\n  \n  \n  
      47. }<\/span><\/li>\n \n \n <\/ol><\/pre>\n
        C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u4e4b\u53d1\u9001\u6570\u636e\uff1a<\/p>\n
        \n \n \n 
          \n  \n  \n  
        1. private<\/span> <\/span>static<\/span> <\/span>void<\/span> Send(Socket client, String data)  <\/span><\/span><\/li>\n  \n  \n  
        2. {  <\/span><\/li>\n  \n  \n  
        3. \/\/ \u683c\u5f0f\u8f6c\u6362. <\/span> <\/span><\/li>\n  \n  \n  
        4. byte<\/span>[] byteData = Encoding.ASCII.GetBytes(data);  <\/span><\/li>\n  \n  \n  
        5.  <\/span><\/li>\n  \n  \n  
        6. \/\/ \u5f00\u59cb\u53d1\u9001\u6570\u636e\u5230\u8fdc\u7a0b\u8bbe\u5907. <\/span> <\/span><\/li>\n  \n  \n  
        7. client.BeginSend(byteData, 0, byteData.Length, 0,  <\/span><\/li>\n  \n  \n  
        8. new<\/span> AsyncCallback(SendCallback), client);  <\/span><\/li>\n  \n  \n  
        9. }  <\/span> <\/span><\/li>\n  \n  \n  
        10. private<\/span> <\/span>static<\/span> <\/span>void<\/span> SendCallback(IAsyncResult ar)  <\/span><\/li>\n  \n  \n  
        11. {  <\/span><\/li>\n  \n  \n  
        12.  <\/span><\/li>\n  \n  \n  
        13. \/\/ \u4ecestate\u5bf9\u8c61\u4e2d\u83b7\u53d6socket <\/span> <\/span><\/li>\n  \n  \n  
        14. Socket client = (Socket)ar.AsyncState;  <\/span><\/li>\n  \n  \n  
        15.  <\/span><\/li>\n  \n  \n  
        16. \/\/ \u5b8c\u6210\u6570\u636e\u53d1\u9001. <\/span> <\/span><\/li>\n  \n  \n  
        17. int<\/span> bytesSent = client.EndSend(ar);  <\/span><\/li>\n  \n  \n  
        18. Console.WriteLine(<\/span>\"Sent {0} bytes to server.\"<\/span>, bytesSent);  <\/span><\/li>\n  \n  \n  
        19.  <\/span><\/li>\n  \n  \n  
        20. \/\/ \u6307\u793a\u6570\u636e\u5df2\u7ecf\u53d1\u9001\u5b8c\u6210\uff0c\u4e3b\u7ebf\u7a0b\u7ee7\u7eed. <\/span> <\/span><\/li>\n  \n  \n  
        21. sendDone.Set();  <\/span><\/li>\n  \n  \n  
        22. } <\/span><\/li>\n  \n  \n  
        23. } catch (Exception e) {
          <\/span><\/li>\n  \n  \n  
        24. Console.WriteLine(e.ToString());
          <\/span><\/li>\n  \n  \n  
        25. } <\/span><\/li>\n  \n  \n  

        26. <\/span><\/li>\n  \n  \n  
        27. }
          <\/span><\/li>\n  \n  \n  
        28. public static int Main(String[] args) {
          <\/span><\/li>\n  \n  \n  
        29. StartClient();
          <\/span><\/li>\n  \n  \n  
        30. return 0;
          <\/span><\/li>\n  \n  \n  
        31. }
          <\/span><\/li>\n  \n  \n  
        32. }<\/span><\/li>\n \n \n <\/ol><\/pre>\n
          C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u6e90\u7801\u5185\u5bb9\u5c31\u57fa\u672c\u5411\u4f60\u4ecb\u7ecd\u5230\u8fd9\u91cc\uff0c\u5e0c\u671b\u5bf9\u4f60\u4e86\u89e3\u548c\u5b66\u4e60C# Socket\u5f02\u6b65\u901a\u8baf\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
          \u3010\u7f16\u8f91\u63a8\u8350\u3011<\/p>\n
            \n
          1. C#\u5bf9\u8c61\u521d\u59cb\u5316\u5b66\u4e60\u603b\u7ed3<\/font><\/li>\n
          2. C#\u6539\u5199\u65b9\u6cd5\u5b66\u4e60\u7b14\u8bb0<\/font><\/li>\n
          3. \u6982\u8ff0C#\u52a0\u6846\u548c\u6d88\u6846<\/font><\/li>\n
          4. \u6d45\u6790C#\u5f02\u6b65\u64cd\u4f5c<\/font><\/li>\n
          5. \u63cf\u8ff0C#\u5f02\u6b65Socket<\/font> <\/li>\n<\/ol>\n
             <\/p>\n","protected":false},"excerpt":{"rendered":"
            C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u5b9e\u73b0\u6e90\u7801 C# Socket\u5f02\u6b65\u901a\u8baf\u5ba2\u6237\u7aef\u4e4b\u4e3b\u7a0b\u5e8f\uff1a using System […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-405680","post","type-post","status-publish","format-standard","hentry","category-website"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/405680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=405680"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/405680\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=405680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=405680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=405680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}