{"id":10597,"date":"2025-04-18T18:07:16","date_gmt":"2025-04-18T10:07:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/10597.html"},"modified":"2025-04-18T18:07:16","modified_gmt":"2025-04-18T10:07:16","slug":"%e3%80%90%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e3%80%91%e9%ab%98%e6%80%a7%e8%83%bd%e5%b9%b6%e5%8f%91%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%ba%90%e7%a0%81%e5%89%96%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/10597.html","title":{"rendered":"\u3010\u7f51\u7edc\u7f16\u7a0b\u3011\u9ad8\u6027\u80fd\u5e76\u53d1\u670d\u52a1\u5668\u6e90\u7801\u5256\u6790"},"content":{"rendered":"

\u00a0\"\"<\/p>\n

hello ！\u5927\u5bb6\u597d\u5440！ \u6b22\u8fce\u5927\u5bb6\u6765\u5230\u6211\u7684\u7f51\u7edc\u7f16\u7a0b\u7cfb\u5217\u4e4b\u6d2a\u6c34\u7f51\u7edc\u653b\u51fb，\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d，\u4f60\u5c06\u4f1a\u5b66\u4e60\u5230\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\u5982\u4f55\u642d\u5efa\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5e76\u53d1\u670d\u52a1\u5668，\u5e76\u4e14\u6211\u4f1a\u7ed9\u51fa\u6e90\u7801\u8fdb\u884c\u5256\u6790，\u4ee5\u53ca\u624b\u7ed8UML\u56fe\u6765\u5e2e\u52a9\u5927\u5bb6\u6765\u7406\u89e3，\u5e0c\u671b\u80fd\u8ba9\u5927\u5bb6\u66f4\u80fd\u4e86\u89e3\u7f51\u7edc\u7f16\u7a0b\u6280\u672f！！！<\/p>\n

\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\"\"，\u5927\u5bb6\u8981\u662f\u89c9\u5f97\u6211\u5199\u7684\u4e0d\u9519\u7684\u8bdd，\u90a3\u5c31\u70b9\u70b9\u514d\u8d39\u7684\u5c0f\u7231\u5fc3\u5427！\"\"<\/p>\n

\"\"\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/p>\n

\u76ee\u5f55<\/p>\n

\u4e00.\u7f51\u7edc\u670d\u52a1\u5668\u00a0<\/p>\n

\u00a01.1 \u666e\u901a\u5faa\u73af\u7f51\u7edc\u670d\u52a1\u5668<\/p>\n

\n

2.2 \u7b80\u5355\u5e76\u53d1\u7f51\u7edc\u670d\u52a1\u5668<\/p>\n

2.2.1\u7b80\u5355\u7684\u5e76\u53d1\u670d\u52a1\u5668\u6a21\u578b<\/p>\n

2.2.2\u4f7f\u7528\u8fdb\u7a0b\u7684\u5e76\u53d1\u670d\u52a1\u5668<\/p>\n

2.2.3\u4f7f\u7528\u7ebf\u7a0b\u7684\u5e76\u53d1\u670d\u52a1\u5668<\/p>\n

2.2.4\u5176\u4ed6\u5e76\u53d1\u670d\u52a1\u5668\u6a21\u578b<\/p>\n

\u4e8c.\u4f7f\u7528\u4e92\u65a5\u9501\u5b9e\u73b0\u5355\u7ebf\u7a0b\u5904\u7406\u5355\u4e2a\u5ba2\u6237<\/p>\n

2.1 \u5177\u4f53\u6b65\u9aa4<\/p>\n

2.2\u670d\u52a1\u5668\u4ee3\u7801\u6a21\u677f<\/p>\n

\u4e09.\u6e90\u7801\u5256\u6790<\/p>\n

\n

\u4e00.\u7f51\u7edc\u670d\u52a1\u5668\u00a0<\/h2>\n

\u00a01.1 \u666e\u901a\u5faa\u73af\u7f51\u7edc\u670d\u52a1\u5668<\/h3>\n

\u5bf9\u4e8e\u666e\u901a\u7684\u5faa\u73af\u7f51\u7edc\u670d\u52a1\u5668，\u5176\u5b9e\u5c31\u662f\u670d\u52a1\u5668\u4f7f\u7528\u5faa\u73af\u7684\u65b9\u6cd5\u9010\u4e2a\u5bf9\u5ba2\u6237\u7684\u8fde\u63a5\u8fdb\u884c\u5904\u7406，\u5904\u7406\u5b8c\u4e00\u4e2a\u8fde\u63a5\u540e\u518d\u5904\u7406\u4e0b\u4e00\u4e2a\u8fde\u63a5，\u5176\u8fc7\u7a0b\u5982\u4e0b：<\/p>\n

\"\"<\/p>\n

\u6700\u7b80\u5355\u7684\u4ee3\u7801\u6a21\u578b\u6211\u8fd8\u662f\u7ed9\u5927\u5bb6：<\/p>\n

#include<t_stdio.h>
\n#include<sys\/types.h>
\n#include <sys\/socket.h>
\n#include<arpa\/inet.h>
\n#include <sys\/socket.h>
\n#include<ctype.h>
\n#include<unistd.h>
\nint main(void){
\n struct sockaddr_in serv,cli;
\n socklen_t cli_len;
\n char buf[128];
\n char IP[32];
\n \/\/\u521b\u5efa\u4e00\u4e2a\u901a\u8baf\u7aef\u70b9，\u8fd4\u56de\u8be5\u7aef\u70b9\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26
\n \/\/\u521b\u5efa\u4e00\u4e2aipv4\u7684tcp\u8fde\u63a5\u7aef\u53e3
\n int s_fd=socket( AF_INET ,SOCK_STREAM ,0);<\/p>\n

\/\/\u9700\u8981\u5bf9server\u53d8\u91cf\u6210\u5458\u521d\u59cb\u5316
\n serv.sin_family=AF_INET;
\n serv.sin_port=htons(5556);
\n serv.sin_addr.s_addr=htonl(INADDR_ANY);
\n \/\/\u5c06s_fd\u548c\u672c\u5730\u5730\u5740，\u7aef\u53e3\u53f7\u7ed1\u5b9a
\n int b=bind(s_fd,(struct sockaddr *)&serv,sizeof(serv));<\/p>\n

if(b==-1)E_MSG("bind",-1);
\n if(s_fd==-1)E_MSG("socket",-1);
\n \/\/\u5c06s_fd\u8bbe\u7f6e\u4e3a\u88ab\u52a8\u8fde\u63a5，\u76d1\u542c\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u5230\u6765
\n \/\/\u5c06\u5ba2\u6237\u7aef\u5230\u6765\u7684\u8fde\u63a5\u653e\u5165\u672a\u51b3\u8fde\u63a5\u961f\u5217\u4e2d
\n \/\/\u6307\u5b9a\u672a\u51b3\u8fde\u63a5\u961f\u5217\u7684\u957f\u5ea6
\n listen(s_fd,5);
\n while(1){
\n \/\/\u4eces_fd\u8bbe\u5907\u7684\u672a\u8fde\u63a5\u961f\u5217\u4e2d\u63d0\u53d6\u4e00\u4e2a\u8fdb\u7a0b\u8fdb\u884c\u5904\u7406
\n \/\/\u8fd4\u56de\u4e00\u4e2a\u8fde\u63a5\u63cf\u8ff0\u7b26，\u4f7f\u7528\u8fd9\u4e2a\u8fde\u63a5\u63cf\u8ff0\u7b26\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c\u901a\u8baf
\n int c_fd=accept(s_fd,(struct sockaddr *)&cli,&cli_len);
\n if(c_fd==-1)E_MSG("accept",-1);
\n \/\/binary—>text
\n inet_ntop(AF_INET,&cli.sin_addr,IP,32);
\n printf("client ip: %s\\\\n",IP);
\n \/\/\u4ee3\u7801\u6267\u884c\u5230\u8fd9\u91cc，\u4e09\u6b21\u63e1\u624b\u4ee5\u53ca\u5b8c\u6210，\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u4e86
\n \/\/\u4ecec_fd\u4e2d\u8bfb\u53d6\u5ba2\u6237\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u8bf7\u6c42\u4fe1\u606f
\n int r = read(c_fd,buf,128);
\n \/\/\u5904\u7406\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u4fe1\u606f
\n int i;
\n for(i=0;i<r;i++){
\n buf[i]=toupper(buf[i]);
\n }
\n \/\/\u5c06\u5904\u7406\u7ed3\u679c\u56de\u9001\u5ba2\u6237\u7aef
\n write(c_fd,buf,r);
\n \/\/\u5173\u95ed\u672c\u6b21\u8fde\u63a5
\n close(c_fd);
\n }<\/p>\n

return 0;
\n} <\/p>\n

\u8fd9\u662f\u6700\u7b80\u5355\u7684\u5faa\u73af\u670d\u52a1\u5668\u4ee3\u7801，\u529f\u80fd\u662f\u5c06\u5ba2\u6237\u4f20\u8fc7\u6765\u7684\u5b57\u7b26\u4e32\u5168\u90e8\u8f6c\u6362\u4e3a\u5927\u5199，\u8fd9\u4e2a\u6700\u7b80\u5355\u4ee3\u7801\u5e0c\u671b\u5927\u5bb6\u80fd\u5168\u90e8\u5f04\u61c2，\u5173\u4e8e\u91cc\u9762\u8fd8\u6709\u4e0d\u61c2\u7684，\u53ef\u4ee5\u53bb\u770b\u6211\u6211\u524d\u9762\u7684\u535a\u5ba2：[C++\/Linux] socket\u5957\u63a5\u5b57\u51fd\u6570-CSDN\u535a\u5ba2<\/p>\n

<\/h3>\n

2.2 \u7b80\u5355\u5e76\u53d1\u7f51\u7edc\u670d\u52a1\u5668<\/h3>\n

\u5e76\u53d1\u7f51\u7edc\u670d\u52a1\u5668\u662f\u6307\u80fd\u591f\u540c\u65f6\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u7f51\u7edc\u670d\u52a1\u5668\u3002\u8fd9\u79cd\u670d\u52a1\u5668\u7684\u8bbe\u8ba1\u5141\u8bb8\u5b83\u5728\u4efb\u4f55\u65f6\u523b\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u548c\u8bf7\u6c42，\u800c\u4e0d\u4f1a\u56e0\u4e3a\u67d0\u4e2a\u8bf7\u6c42\u7684\u5904\u7406\u800c\u963b\u585e\u5176\u4ed6\u8bf7\u6c42\u3002\u5e76\u53d1\u670d\u52a1\u5668\u53ef\u4ee5\u63d0\u9ad8\u8d44\u6e90\u7684\u5229\u7528\u7387，\u589e\u5f3a\u670d\u52a1\u5668\u7684\u54cd\u5e94\u80fd\u529b，\u662f\u73b0\u4ee3\u7f51\u7edc\u5e94\u7528\u7684\u57fa\u7840\u3002\u4e0b\u9762\u6211\u5c06\u4ecb\u7ecd\u51e0\u79cd\u5e38\u89c1\u7684\u5e76\u53d1\u7f51\u7edc\u670d\u52a1\u5668\u6a21\u578b：<\/p>\n

2.2.1\u7b80\u5355\u7684\u5e76\u53d1\u670d\u52a1\u5668\u6a21\u578b<\/h4>\n
  • \n

    \u8fed\u4ee3\u670d\u52a1\u5668（Iterative Server）：\u00a0\u8fd9\u79cd\u670d\u52a1\u5668\u4e00\u6b21\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\u3002\u5b83\u63a5\u6536\u4e00\u4e2a\u8bf7\u6c42，\u5904\u7406\u5b8c\u8be5\u8bf7\u6c42，\u7136\u540e\u624d\u63a5\u6536\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u3002\u8fd9\u79cd\u6a21\u578b\u7b80\u5355，\u4f46\u6548\u7387\u4f4e\u4e0b，\u56e0\u4e3a\u5b83\u5728\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\u65f6\u4e0d\u80fd\u5904\u7406\u5176\u4ed6\u8bf7\u6c42\u3002<\/p>\n<\/li>\n

  • \n

    \u5e76\u53d1\u670d\u52a1\u5668（Concurrent Server）：\u00a0\u5e76\u53d1\u670d\u52a1\u5668\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\u3002\u8fd9\u901a\u5e38\u901a\u8fc7\u591a\u8fdb\u7a0b\u6216\u591a\u7ebf\u7a0b\u6765\u5b9e\u73b0\u3002\u670d\u52a1\u5668\u7684\u4e3b\u8fdb\u7a0b\u6216\u7ebf\u7a0b\u76d1\u542c\u7aef\u53e3，\u63a5\u53d7\u65b0\u7684\u8fde\u63a5，\u7136\u540e\u4e3a\u6bcf\u4e2a\u8fde\u63a5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\u6216\u7ebf\u7a0b\u6765\u5904\u7406\u8bf7\u6c42\u3002<\/p>\n<\/li>\n

    2.2.2\u4f7f\u7528\u8fdb\u7a0b\u7684\u5e76\u53d1\u670d\u52a1\u5668<\/h4>\n
  • \n

    \u591a\u8fdb\u7a0b\u670d\u52a1\u5668（Multiprocess Server）：\u00a0\u5728\u8fd9\u4e2a\u6a21\u578b\u4e2d，\u670d\u52a1\u5668\u7684\u4e3b\u8fdb\u7a0b\u76d1\u542c\u7aef\u53e3，\u63a5\u53d7\u65b0\u7684\u8fde\u63a5\u3002\u6bcf\u5f53\u6709\u4e00\u4e2a\u65b0\u7684\u8fde\u63a5\u65f6，\u4e3b\u8fdb\u7a0b\u5c31fork\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u6765\u5904\u7406\u8fd9\u4e2a\u8fde\u63a5\u3002\u6bcf\u4e2a\u5b50\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u72ec\u7acb\u5730\u4e0e\u5ba2\u6237\u7aef\u901a\u4fe1，\u5904\u7406\u8bf7\u6c42\u3002\u8fd9\u79cd\u6a21\u578b\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u7b80\u5355，\u7f3a\u70b9\u662f\u8fdb\u7a0b\u521b\u5efa\u548c\u9500\u6bc1\u7684\u5f00\u9500\u8f83\u5927\u3002<\/p>\n<\/li>\n

  • \n

    \u9884\u6d3e\u751f\u5b50\u8fdb\u7a0b\u670d\u52a1\u5668（Pre-forking Server）：\u00a0\u8fd9\u79cd\u670d\u52a1\u5668\u5728\u542f\u52a8\u65f6\u5c31\u9884\u5148\u521b\u5efa\u4e00\u5b9a\u6570\u91cf\u7684\u5b50\u8fdb\u7a0b，\u6bcf\u4e2a\u5b50\u8fdb\u7a0b\u90fd\u963b\u585e\u5728accept\u8c03\u7528\u4e0a\u7b49\u5f85\u65b0\u7684\u8fde\u63a5\u3002\u5f53\u4e00\u4e2a\u8fde\u63a5\u5230\u8fbe\u65f6，\u5176\u4e2d\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u63a5\u53d7\u8fde\u63a5\u5e76\u5904\u7406\u8bf7\u6c42\u3002\u8fd9\u79cd\u6a21\u578b\u51cf\u5c11\u4e86\u8fdb\u7a0b\u521b\u5efa\u7684\u5f00\u9500，\u4f46\u9700\u8981\u9884\u5148\u5206\u914d\u8d44\u6e90\u3002<\/p>\n<\/li>\n

    \u8fd9\u91cc\u6211\u624b\u7ed8\u4e00\u4e2aUML\u56fe\u6765\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u5982\u4f55\u5229\u7528\u8fdb\u7a0b\u6c60：\"\"<\/p>\n

    2.2.3\u4f7f\u7528\u7ebf\u7a0b\u7684\u5e76\u53d1\u670d\u52a1\u5668<\/h4>\n
  • \n

    \u591a\u7ebf\u7a0b\u670d\u52a1\u5668（Multithreaded Server）：\u00a0\u5728\u8fd9\u4e2a\u6a21\u578b\u4e2d，\u670d\u52a1\u5668\u7684\u4e3b\u7ebf\u7a0b\u76d1\u542c\u7aef\u53e3，\u63a5\u53d7\u65b0\u7684\u8fde\u63a5\u3002\u6bcf\u5f53\u6709\u4e00\u4e2a\u65b0\u7684\u8fde\u63a5\u65f6，\u4e3b\u7ebf\u7a0b\u5c31\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7ebf\u7a0b\u6765\u5904\u7406\u8fd9\u4e2a\u8fde\u63a5\u3002\u7531\u4e8e\u7ebf\u7a0b\u5171\u4eab\u5185\u5b58\u7a7a\u95f4，\u56e0\u6b64\u5b83\u4eec\u4e4b\u95f4\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u5171\u4eab\u6570\u636e，\u4f46\u8fd9\u4e5f\u5e26\u6765\u4e86\u540c\u6b65\u95ee\u9898\u3002<\/p>\n<\/li>\n

  • \n

    \u7ebf\u7a0b\u6c60\u670d\u52a1\u5668（Thread Pool Server）：\u00a0\u7ebf\u7a0b\u6c60\u670d\u52a1\u5668\u9884\u5148\u521b\u5efa\u4e00\u5b9a\u6570\u91cf\u7684\u5de5\u4f5c\u7ebf\u7a0b，\u8fd9\u4e9b\u7ebf\u7a0b\u90fd\u963b\u585e\u5728\u7b49\u5f85\u4efb\u52a1\u961f\u5217\u4e0a\u3002\u5f53\u4e00\u4e2a\u65b0\u7684\u8fde\u63a5\u5230\u8fbe\u65f6，\u4e3b\u7ebf\u7a0b\u5c06\u8fde\u63a5\u653e\u5165\u4efb\u52a1\u961f\u5217，\u5de5\u4f5c\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u8fde\u63a5\u5e76\u5904\u7406\u8bf7\u6c42\u3002\u8fd9\u79cd\u6a21\u578b\u53ef\u4ee5\u9650\u5236\u7ebf\u7a0b\u7684\u6570\u91cf，\u51cf\u5c11\u7ebf\u7a0b\u521b\u5efa\u548c\u9500\u6bc1\u7684\u5f00\u9500\u3002<\/p>\n<\/li>\n

    \u8fd9\u91cc\u6211\u624b\u7ed8\u4e00\u4e2aUML\u56fe\u6765\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u5982\u4f55\u5229\u7528\u7ebf\u7a0b\u6c60：<\/p>\n

    \"\"<\/p>\n<\/p>\n

    \u5bf9\u4e8e\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u5927\u5bb6\u6709\u4e0d\u4e86\u89e3\u7684，\u53ef\u4ee5\u770b\u6211\u524d\u9762\u535a\u5ba2：[C++\/Linux] Linux\u7ebf\u7a0b\u8be6\u89e3-CSDN\u535a\u5ba2<\/p>\n<\/p>\n

    2.2.4\u5176\u4ed6\u5e76\u53d1\u670d\u52a1\u5668\u6a21\u578b<\/h4>\n
  • \n

    \u4e8b\u4ef6\u9a71\u52a8\u670d\u52a1\u5668（Event-Driven Server）：\u00a0\u4e8b\u4ef6\u9a71\u52a8\u670d\u52a1\u5668\u4f7f\u7528\u975e\u963b\u585eIO\u548c\u4e8b\u4ef6\u5faa\u73af\u6765\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u3002\u670d\u52a1\u5668\u6ce8\u518c\u611f\u5174\u8da3\u7684\u4e8b\u4ef6（\u5982\u53ef\u8bfb\u3001\u53ef\u5199\u4e8b\u4ef6），\u7136\u540e\u5728\u4e00\u4e2a\u5faa\u73af\u4e2d\u7b49\u5f85\u8fd9\u4e9b\u4e8b\u4ef6\u7684\u53d1\u751f\u3002\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6，\u670d\u52a1\u5668\u5904\u7406\u76f8\u5e94\u7684\u4e8b\u4ef6\u3002\u8fd9\u79cd\u6a21\u578b\u53ef\u4ee5\u975e\u5e38\u9ad8\u6548\u5730\u5904\u7406\u5927\u91cf\u8fde\u63a5\u3002<\/p>\n<\/li>\n

  • \n

    \u5f02\u6b65IO\u670d\u52a1\u5668（Asynchronous I\/O Server）：\u00a0\u5f02\u6b65IO\u670d\u52a1\u5668\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u5f02\u6b65IO\u63a5\u53e3\u6765\u5904\u7406\u8bf7\u6c42\u3002\u670d\u52a1\u5668\u53d1\u8d77IO\u64cd\u4f5c，\u7136\u540e\u7ee7\u7eed\u5904\u7406\u5176\u4ed6\u4efb\u52a1\u3002\u5f53IO\u64cd\u4f5c\u5b8c\u6210\u65f6，\u64cd\u4f5c\u7cfb\u7edf\u901a\u77e5\u670d\u52a1\u5668\u3002\u8fd9\u79cd\u6a21\u578b\u53ef\u4ee5\u5145\u5206\u5229\u7528CPU\u8d44\u6e90，\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n

    \u4e8c.\u4f7f\u7528\u4e92\u65a5\u9501\u5b9e\u73b0\u5355\u7ebf\u7a0b\u5904\u7406\u5355\u4e2a\u5ba2\u6237<\/h2>\n

    \u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u4e92\u65a5\u9501\u6765\u5bf9\u6bcf\u4e2a\u8fdb\u884c\u4e0a\u9501，\u5b9e\u73b0\u5355\u5ba2\u6237\u5355\u8fdb\u7a0b\u5904\u7406，<\/p>\n

    2.1 \u5177\u4f53\u6b65\u9aa4<\/h3>\n
  • \n

    \u521d\u59cb\u5316\u4e92\u65a5\u9501：\u5728\u670d\u52a1\u5668\u542f\u52a8\u65f6，\u521d\u59cb\u5316\u4e00\u4e2a\u4e92\u65a5\u9501\u3002<\/p>\n<\/li>\n

  • \n

    \u63a5\u53d7\u8fde\u63a5：\u670d\u52a1\u5668\u7684\u4e3b\u7ebf\u7a0b\u5faa\u73af\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/p>\n<\/li>\n

  • \n

    \u521b\u5efa\u670d\u52a1\u7ebf\u7a0b：\u6bcf\u5f53\u63a5\u53d7\u4e00\u4e2a\u65b0\u8fde\u63a5\u65f6，\u670d\u52a1\u5668\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u670d\u52a1\u7ebf\u7a0b\u6765\u5904\u7406\u8be5\u8fde\u63a5\u3002<\/p>\n<\/li>\n

  • \n

    \u52a0\u9501\u5904\u7406：\u5728\u6bcf\u4e2a\u670d\u52a1\u7ebf\u7a0b\u4e2d，\u5f53\u5f00\u59cb\u5904\u7406\u5ba2\u6237\u8bf7\u6c42\u4e4b\u524d，\u9996\u5148\u5c1d\u8bd5\u83b7\u53d6\u4e92\u65a5\u9501\u3002\u5982\u679c\u4e92\u65a5\u9501\u5df2\u88ab\u5176\u4ed6\u7ebf\u7a0b\u6301\u6709，\u7ebf\u7a0b\u5c06\u963b\u585e\u76f4\u5230\u4e92\u65a5\u9501\u88ab\u91ca\u653e\u3002<\/p>\n<\/li>\n

  • \n

    \u5904\u7406\u8bf7\u6c42：\u7ebf\u7a0b\u83b7\u53d6\u4e92\u65a5\u9501\u540e，\u5f00\u59cb\u5904\u7406\u5ba2\u6237\u8bf7\u6c42\u3002<\/p>\n<\/li>\n

  • \n

    \u91ca\u653e\u9501：\u5904\u7406\u5b8c\u8bf7\u6c42\u540e，\u7ebf\u7a0b\u91ca\u653e\u4e92\u65a5\u9501，\u4ee5\u4fbf\u5176\u4ed6\u7ebf\u7a0b\u53ef\u4ee5\u83b7\u53d6\u8be5\u9501\u5e76\u5904\u7406\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u3002<\/p>\n<\/li>\n

  • \n

    \u7ebf\u7a0b\u9000\u51fa：\u5904\u7406\u5b8c\u6210\u540e，\u7ebf\u7a0b\u9000\u51fa\u6216\u8fd4\u56de\u5230\u6c60\u4e2d\u7b49\u5f85\u4e0b\u4e00\u4e2a\u8bf7\u6c42<\/p>\n<\/li>\n

    2.2\u670d\u52a1\u5668\u4ee3\u7801\u6a21\u677f<\/h3>\n

    #include <pthread.h><\/p>\n

    pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;<\/p>\n

    void *handle_client(void *client_socket) {
    \n int socket = *(int *)client_socket;<\/p>\n

    \/\/ \u52a0\u9501
    \n pthread_mutex_lock(&lock);<\/p>\n

    \/\/ \u5904\u7406\u5ba2\u6237\u8bf7\u6c42
    \n \/\/ …<\/p>\n

    \/\/ \u91ca\u653e\u9501
    \n pthread_mutex_unlock(&lock);<\/p>\n

    \/\/ \u5173\u95ed\u5ba2\u6237\u7aef\u5957\u63a5\u5b57
    \n close(socket);
    \n return NULL;
    \n}<\/p>\n

    int main() {
    \n \/\/ \u521b\u5efa\u76d1\u542c\u5957\u63a5\u5b57
    \n \/\/ …<\/p>\n

    while (1) {
    \n int client_socket = accept(listen_socket, NULL, NULL);<\/p>\n

    \/\/ \u521b\u5efa\u7ebf\u7a0b\u6765\u5904\u7406\u5ba2\u6237\u7aef
    \n pthread_t thread;
    \n pthread_create(&thread, NULL, handle_client, &client_socket);
    \n pthread_detach(thread); \/\/ \u4f7f\u7ebf\u7a0b\u72ec\u7acb\u8fd0\u884c
    \n }<\/p>\n

    \/\/ \u5173\u95ed\u76d1\u542c\u5957\u63a5\u5b57
    \n \/\/ …<\/p>\n

    return 0;
    \n}<\/p>\n

    \u4e09.\u6e90\u7801\u5256\u6790<\/h2>\n

    #include<t_stdio.h>
    \n#include<t_file.h>
    \n#include<stdlib.h>
    \n#include <sys\/types.h>
    \n#include <sys\/socket.h>
    \n#include <string.h>
    \n#include <arpa\/inet.h>
    \n#include<unistd.h>
    \n#include<time.h>
    \n#include<pthread.h>
    \n#include <string.h><\/p>\n

    #define bufferlen 1024 \/\/\u53d1\u9001\/\u63a5\u6536\u6570\u636e\u7f13\u51b2\u533a\u5927\u5c0f
    \n#define server_port 8888 \/\/\u7aef\u53e3
    \n#define backlog 5 \/\/\u76d1\u542c\u961f\u5217
    \n#define max_pthread 3 \/\/\u6700\u5927\u7ebf\u7a0b\u6570<\/p>\n

    \/\/\u7ebf\u7a0b\u5904\u7406\u4e1a\u52a1\u51fd\u6570
    \npthread_mutex_t ALOCK = PTHREAD_MUTEX_INITIALIZER ;\/\/\u521b\u5efa\u4e92\u65a5\u91cf<\/p>\n

    static void * handle_request(void * argv){
    \n int s_s = *((int *) argv);
    \n int s_c;
    \n struct sockaddr_in from ;
    \n socklen_t len = sizeof(from);
    \n for(;;){
    \n time_t now;
    \n char buf [bufferlen];
    \n int n=0;<\/p>\n

    pthread_mutex_lock(&ALOCK); \/\/\u8fdb\u5165\u4e92\u65a5\u533a
    \n s_c = accept(s_s , (struct sockaddr *)&from , &len);\/\/\u63a5\u6536\u8bf7\u6c42
    \n pthread_mutex_unlock(&ALOCK); \/\/\u79bb\u5f00\u4e92\u65a5\u533a
    \n memset(buf , 0 ,bufferlen);
    \n n = recv(s_c , buf , bufferlen , 0);\/\/\u63a5\u6536\u6570\u636e<\/p>\n

    if(n > 0 && !strncmp(buf , "TIME" , 4))\/\/\u5224\u65ad\u662f\u5426\u4e3a\u5408\u6cd5\u63a5\u6536\u6570\u636e
    \n {
    \n memset(buf ,0 ,bufferlen);
    \n now = time(NULL);
    \n sprintf(buf , "%24s\\\\r\\\\n",ctime(&now));\/\/\u65f6\u95f4\u5199\u5165buf
    \n send(s_c , buf , strlen(buf) , 0);\/\/\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef<\/p>\n

    }
    \n close(s_c);
    \n }
    \n return ;<\/p>\n

    }<\/p>\n

    \/\/\u7ebf\u7a0b\u521b\u5efa\u51fd\u6570
    \nstatic void handle_connect(int s){
    \n int s_s =s;
    \n pthread_t thread_do[max_pthread];\/\/\u521b\u5efa\u7ebf\u7a0b\u6570\u7ec4
    \n int i=0;
    \n \/\/\u521b\u5efa\u7ebf\u7a0b，\u6bcf\u4e00\u6b21\u521b\u5efa\u8c03\u7528\u7ebf\u7a0b\u5904\u7406\u51fd\u6570
    \n for(i = 0; i<max_pthread;i++){
    \n pthread_create(&thread_do[i] , NULL, handle_request , (void *)&s_s);
    \n }
    \n \/\/\u7b49\u5f85\u7ebf\u7a0b\u7ed3\u675f
    \n for(i = 0; i<max_pthread;i++){
    \n pthread_join(thread_do[i] , NULL);<\/p>\n

    }<\/p>\n

    }<\/p>\n

    int main(int argc ,char * argvp[]){
    \n int s_s;
    \n struct sockaddr_in local ;\/\/\u672c\u5730\u5730\u5740
    \n s_s = socket(AF_INET , SOCK_STREAM , 0);
    \n memset(&local , 0 , sizeof(local));
    \n local.sin_family = AF_INET;
    \n local.sin_addr.s_addr = htonl(INADDR_ANY);
    \n local.sin_port = htons(server_port);<\/p>\n

    bind(s_s , (struct sockaddr *)&local ,sizeof(local));\/\/\u8fde\u63a5\u672c\u5730\u5730\u5740
    \n listen(s_s , backlog);\/\/\u521b\u5efa\u76d1\u542c\u961f\u5217
    \n handle_connect(s_s);
    \n close(s_s);<\/p>\n

    return 0;
    \n} <\/p>\n

    \u8fd9\u6bb5\u4ee3\u7801\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7f51\u7edc\u670d\u52a1\u5668\u793a\u4f8b，\u5b83\u4f7f\u7528\u4e86 POSIX \u7ebf\u7a0b（pthread）\u6765\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002\u4e0b\u9762\u6211\u5c06\u9010\u884c\u89e3\u91ca\u4ee3\u7801\u7684\u529f\u80fd：<\/p>\n

    #include <t_stdio.h>
    \n#include <t_file.h>
    \n#include <stdlib.h>
    \n#include <sys\/types.h>
    \n#include <sys\/socket.h>
    \n#include <string.h>
    \n#include <arpa\/inet.h>
    \n#include <unistd.h>
    \n#include <time.h>
    \n#include <pthread.h>
    \n#include <string.h><\/p>\n

    \u8fd9\u91cc\u5305\u542b\u4e86\u5fc5\u8981\u7684\u5934\u6587\u4ef6，\u5305\u62ec\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u3001\u6587\u4ef6\u64cd\u4f5c\u3001\u7f51\u7edc\u7f16\u7a0b\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001IP\u5730\u5740\u8f6c\u6362\u3001\u975e\u963b\u585eI\/O\u7b49\u3002<\/p>\n

    #define bufferlen 1024 \/\/\u53d1\u9001\/\u63a5\u6536\u6570\u636e\u7f13\u51b2\u533a\u5927\u5c0f
    \n#define server_port 8888 \/\/\u7aef\u53e3
    \n#define backlog 5 \/\/\u76d1\u542c\u961f\u5217
    \n#define max_pthread 3 \/\/\u6700\u5927\u7ebf\u7a0b\u6570<\/p>\n

    \u5b9a\u4e49\u4e86\u4e00\u4e9b\u5b8f，\u7528\u4e8e\u8bbe\u7f6e\u7f13\u51b2\u533a\u5927\u5c0f\u3001\u670d\u52a1\u5668\u7aef\u53e3\u3001\u76d1\u542c\u961f\u5217\u5927\u5c0f\u548c\u6700\u5927\u7ebf\u7a0b\u6570\u3002<\/p>\n

    \/\/\u7ebf\u7a0b\u5904\u7406\u4e1a\u52a1\u51fd\u6570
    \npthread_mutex_t ALOCK = PTHREAD_MUTEX_INITIALIZER ;\/\/\u521b\u5efa\u4e92\u65a5\u91cf<\/p>\n

    \u5b9a\u4e49\u4e86\u4e00\u4e2a\u4e92\u65a5\u91cf\u00a0ALOCK，\u7528\u4e8e\u7ebf\u7a0b\u95f4\u7684\u540c\u6b65\u3002<\/p>\n

    static void * handle_request(void * argv){
    \n int s_s = *((int *) argv);
    \n int s_c;
    \n struct sockaddr_in from ;
    \n socklen_t len = sizeof(from);
    \n for(;;){
    \n time_t now;
    \n char buf [bufferlen];
    \n int n=0;<\/p>\n

    pthread_mutex_lock(&ALOCK); \/\/\u8fdb\u5165\u4e92\u65a5\u533a
    \n s_c = accept(s_s , (struct sockaddr *)&from , &len);\/\/\u63a5\u6536\u8bf7\u6c42
    \n pthread_mutex_unlock(&ALOCK); \/\/\u79bb\u5f00\u4e92\u65a5\u533a
    \n memset(buf , 0 ,bufferlen);
    \n n = recv(s_c , buf , bufferlen , 0);\/\/\u63a5\u6536\u6570\u636e<\/p>\n

    if(n > 0 && !strncmp(buf , "TIME" , 4))\/\/\u5224\u65ad\u662f\u5426\u4e3a\u5408\u6cd5\u63a5\u6536\u6570\u636e
    \n {
    \n memset(buf ,0 ,bufferlen);
    \n now = time(NULL);
    \n sprintf(buf , "%24s\\\\r\\\\n",ctime(&now));\/\/\u65f6\u95f4\u5199\u5165buf
    \n send(s_c , buf , strlen(buf) , 0);\/\/\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef<\/p>\n

    }
    \n close(s_c);
    \n }
    \n return ;
    \n}<\/p>\n

    handle_request\u00a0\u51fd\u6570\u662f\u7ebf\u7a0b\u5904\u7406\u4e1a\u52a1\u7684\u6838\u5fc3\u3002\u5b83\u63a5\u53d7\u4e00\u4e2a\u6574\u6570\u53c2\u6570\u00a0s_s，\u8fd9\u662f\u670d\u52a1\u5668\u5957\u63a5\u5b57\u3002\u51fd\u6570\u8fdb\u5165\u4e00\u4e2a\u65e0\u9650\u5faa\u73af，\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u8fde\u63a5（accept\u00a0\u8c03\u7528），\u63a5\u6536\u6570\u636e（recv\u00a0\u8c03\u7528），\u5904\u7406\u6570\u636e（\u5982\u679c\u6570\u636e\u662f\u4ee5 \u201cTIME\u201d \u5f00\u5934\u7684，\u5219\u8fd4\u56de\u5f53\u524d\u65f6\u95f4），\u7136\u540e\u5173\u95ed\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u3002<\/p>\n<\/p>\n

    \u00a0\u00a0\u597d\u5566！\u5230\u8fd9\u91cc\u8fd9\u7bc7\u6587\u7ae0\u5c31\u7ed3\u675f\u5566，\u5173\u4e8e\u5b9e\u4f8b\u4ee3\u7801\u4e2d\u6211\u5199\u4e86\u5f88\u591a\u6ce8\u91ca，\u5982\u679c\u5927\u5bb6\u8fd8\u6709\u4e0d\u61c2\u5f97，\u53ef\u4ee5\u8bc4\u8bba\u533a\u6216\u8005\u79c1\u4fe1\u6211\u90fd\u53ef\u4ee5\u54e6\"\"！！ \u611f\u8c22\u5927\u5bb6\u7684\u9605\u8bfb，\u6211\u8fd8\u4f1a\u6301\u7eed\u521b\u9020\u7f51\u7edc\u7f16\u7a0b\u76f8\u5173\u5185\u5bb9\u7684，\u8bb0\u5f97\u70b9\u70b9\u5c0f\u7231\u5fc3\u548c\u5173\u6ce8\u54df！\"\"\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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