{"id":173,"date":"2026-03-24T23:36:22","date_gmt":"2026-03-24T15:36:22","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=173"},"modified":"2026-03-24T23:36:24","modified_gmt":"2026-03-24T15:36:24","slug":"%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e5%a5%97%e6%8e%a5%e5%ad%97%ef%bc%88%e4%b8%89%ef%bc%89","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/24\/%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e5%a5%97%e6%8e%a5%e5%ad%97%ef%bc%88%e4%b8%89%ef%bc%89\/","title":{"rendered":"\u7f51\u7edc\u7f16\u7a0b\u5957\u63a5\u5b57\uff08\u4e09\uff09"},"content":{"rendered":"\n

\u7b80\u5355\u7684TCP\u82f1\u8bd1\u6c49\u670d\u52a1\u5668<\/h2>\n\n\n\n

\u7b80\u5355\u56de\u987e<\/h3>\n\n\n\n

\u5728\u4e0a\u4e00\u7bc7\u535a\u5ba2\u7f51\u7edc\u7f16\u7a0b\u5957\u63a5\u5b57\uff08\u4e8c\uff09\u5f53\u4e2d\u5b9e\u73b0\u4e86\u7b80\u5355\u7684TCP\u670d\u52a1\u5668\uff0c\u6700\u5f00\u59cb\u6211\u4eec\u5b9e\u73b0\u7684\u662f\u5355\u6267\u884c\u6d41\u7684TCP\u670d\u52a1\u5668\uff0c\u4e4b\u540e\u901a\u8fc7\u4ee3\u7801\u6d4b\u8bd5\u53d1\u73b0\u5355\u6267\u884c\u6d41\u7684TCP\u670d\u52a1\u5668\u65e0\u6cd5\u540c\u65f6\u4e3a\u591a\u4e2a\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\uff0c\u4e8e\u662f\u53c8\u8f6c\u800c\u5b9e\u73b0\u4e86\u591a\u6267\u884c\u6d41\u7684TCP\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

\u5728\u5b9e\u73b0\u591a\u6267\u884c\u6d41\u7684TCP\u670d\u52a1\u5668\u65f6\uff0c\u5206\u522b\u6f14\u793a\u4e86\u591a\u8fdb\u7a0b\u548c\u591a\u7ebf\u7a0b\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u4f18\u5316\u57fa\u4e8e\u591a\u7ebf\u7a0b\u7684TCP\u670d\u52a1\u5668\uff0c\u6700\u7ec8\u8fd8\u5c06\u7ebf\u7a0b\u6c60\u63a5\u5165\u5230\u4e86TCP\u670d\u52a1\u5668\u5f53\u4e2d\u3002\u6b64\u65f6\u8bbf\u95eeTCP\u670d\u52a1\u5668\u7684\u5404\u4e2a\u5ba2\u6237\u7aef\uff0c\u5206\u522b\u7531\u4e0d\u540c\u7684\u6267\u884c\u6d41\u4e3a\u5176\u63d0\u4f9b\u670d\u52a1\uff0c\u56e0\u6b64\u8fd9\u4e9b\u5ba2\u6237\u7aef\u80fd\u591f\u540c\u65f6\u4eab\u53d7\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u670d\u52a1\u3002<\/p>\n\n\n\n

\u5f53\u65f6\u6211\u4eec\u8bf4\u8fc7\uff0c\u5982\u679c\u60f3\u8981\u8ba9\u8fd9\u91cc\u7684TCP\u670d\u52a1\u5668\u5904\u7406\u5176\u4ed6\u4efb\u52a1\uff0c\u53ea\u9700\u8981\u4fee\u6539\u5bf9\u5e94\u7684\u5904\u7406\u51fd\u6570\u5373\u53ef\u3002\u5bf9\u5e94\u5230\u6700\u7ec8\u5b9e\u73b0\u7684\u7ebf\u7a0b\u6c60\u7248\u672c\u7684TCP\u670d\u52a1\u5668\uff0c\u6211\u4eec\u8981\u4fee\u6539\u7684\u5176\u5b9e\u5c31\u53ea\u662f\u4efb\u52a1\u7c7b\u5f53\u4e2d\u7684handler\u65b9\u6cd5\u3002\u4e0b\u9762\u6211\u4eec\u4ee5\u5b9e\u73b0\u7b80\u5355\u7684TCP\u82f1\u8bd1\u6c49\u670d\u52a1\u5668\u4e3a\u4f8b\uff0c\u770b\u770b\u66f4\u6539\u540e\u6211\u4eec\u7684TCP\u670d\u52a1\u5668\u80fd\u5426\u6b63\u5e38\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u82f1\u8bd1\u6c49\u670d\u52a1\u3002
 <\/p>\n\n\n\n

\u66f4\u6539handler\u65b9\u6cd5<\/h3>\n\n\n\n
\n

\u82f1\u8bd1\u6c49TCP\u670d\u52a1\u5668\u8981\u505a\u7684\u5c31\u662f\uff0c\u6839\u636e\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u82f1\u6587\u5355\u8bcd\u627e\u5230\u5176\u5bf9\u5e94\u7684\u4e2d\u6587\u610f\u601d\uff0c\u7136\u540e\u5c06\u8be5\u4e2d\u6587\u610f\u601d\u4f5c\u4e3a\u54cd\u5e94\u6570\u636e\u53d1\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<\/blockquote>\n\n\n\n

\u4e4b\u524d\u6211\u4eec\u662f\u4ee5\u56de\u8c03\u7684\u65b9\u5f0f\u5904\u7406\u4efb\u52a1\u7684\uff0c\u5f53\u7ebf\u7a0b\u6c60\u5f53\u4e2d\u7684\u7ebf\u7a0b\u4ece\u4efb\u52a1\u961f\u5217\u4e2d\u62ff\u51fa\u4e00\u4e2a\u4efb\u52a1\u540e\uff0c\u4f1a\u8c03\u7528\u8be5\u4efb\u52a1\u5bf9\u5e94\u7684Run\u65b9\u6cd5\u5904\u7406\u8be5\u4efb\u52a1\uff0c\u800c\u5b9e\u9645\u5728\u8fd9\u4e2aRun\u65b9\u6cd5\u5f53\u4e2d\u4f1a\u4ee5\u4eff\u51fd\u6570\u7684\u65b9\u5f0f\u8c03\u7528handler\u65b9\u6cd5\uff0c\u56e0\u6b64\u6211\u4eec\u53ea\u9700\u66f4\u6539Handler\u7c7b\u5f53\u4e2d\u5bf9()<\/code>\u7684\u91cd\u8f7d\u51fd\u6570\u5373\u53ef\uff0c\u800c\u5176\u4ed6\u4e0e\u901a\u4fe1\u76f8\u5173\u7684\u4ee3\u7801\u6211\u4eec\u4e00\u5f8b\u4e0d\u7528\u66f4\u6539\u3002<\/p>\n\n\n\n

\u82f1\u8bd1\u6c49\u65f6\u9700\u8981\u6839\u636e\u82f1\u6587\u5355\u8bcd\u627e\u5230\u5176\u5bf9\u5e94\u7684\u4e2d\u6587\u610f\u601d\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5efa\u7acb\u4e00\u5f20\u6620\u5c04\u8868\uff0c\u5176\u4e2d\u82f1\u6587\u5355\u8bcd\u4f5c\u4e3a\u6620\u5c04\u8868\u4e2d\u7684\u952e\u503ckey\uff0c\u800c\u4e2d\u6587\u610f\u601d\u4f5c\u4e3a\u4e0e\u952e\u503c\u76f8\u5bf9\u5e94\u7684value\uff0c\u8fd9\u91cc\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528C++STL\u5bb9\u5668\u5f53\u4e2d\u7684unordered_map\u5bb9\u5668\u3002<\/p>\n\n\n\n

class Handler\n{\npublic:\n    Handler()\n    {}\n    ~Handler()\n    {}\n    void operator()(int sock, std::string client_ip, int client_port)\n    {\n        \/\/only for test\n        std::unordered_map<std::string, std::string> dict;\n        dict.insert(std::make_pair(\"dragon\", \"\u9f99\"));\n        dict.insert(std::make_pair(\"blog\", \"\u535a\u5ba2\"));\n        dict.insert(std::make_pair(\"socket\", \"\u5957\u63a5\u5b57\"));\n\n        char buffer[1024];\n        std::string value;\n        while (true){\n            ssize_t size = read(sock, buffer, sizeof(buffer)-1);\n            if (size > 0){ \/\/\u8bfb\u53d6\u6210\u529f\n                buffer[size] = '\\0';\n                std::cout << client_ip << \":\" << client_port << \"# \" << buffer << std::endl;\n\n                std::string key = buffer;\n                auto it = dict.find(key);\n                if (it != dict.end()){\n                    value = it->second;\n                }\n                else{\n                    value = key;\n                }\n                write(sock, value.c_str(), value.size());\n            }\n            else if (size == 0){ \/\/\u5bf9\u7aef\u5173\u95ed\u8fde\u63a5\n                std::cout << client_ip << \":\" << client_port << \" close!\" << std::endl;\n                break;\n            }\n            else{ \/\/\u8bfb\u53d6\u5931\u8d25\n                std::cerr << sock << \" read error!\" << std::endl;\n                break;\n            }\n        }\n        close(sock); \/\/\u5f52\u8fd8\u6587\u4ef6\u63cf\u8ff0\u7b26\n        std::cout << client_ip << \":\" << client_port << \" service done!\" << std::endl;\n    }\n};<\/code><\/pre>\n\n\n\n
\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n
    \n
  • \u8fd9\u91cc\u53ea\u662f\u6d4b\u8bd5\u66f4\u6539\u540e\u7684\u670d\u52a1\u5668\u80fd\u5426\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u82f1\u8bd1\u6c49\u670d\u52a1\uff0c\u56e0\u6b64\u76f4\u63a5\u5c06\u8fd9\u5f20\u6620\u5c04\u8868\u5b9a\u4e49\u5728\u4e86()<\/code>\u91cd\u8f7d\u51fd\u6570\u5f53\u4e2d\u3002<\/li>\n\n\n\n
  • \u521d\u59cb\u5316\u8fd9\u5f20\u6620\u5c04\u8868\u5bf9\u5e94\u7684\u64cd\u4f5c\uff0c\u5c31\u662f\u5efa\u7acb\u5355\u8bcd\u4e0e\u5176\u4e2d\u6587\u610f\u601d\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u4ee3\u7801\u4e2d\u4e3a\u4e86\u6d4b\u8bd5\u53ea\u7b80\u5355\u5efa\u7acb\u4e86\u4e09\u7ec4\u6620\u5c04\u5173\u7cfb\u3002\u6b64\u5916\uff0c\u521d\u59cb\u5316\u6620\u5c04\u8868\u7684\u64cd\u4f5c\u5e94\u8be5\u91cd\u65b0\u5c01\u88c5\u51fa\u4e00\u4e2a\u521d\u59cb\u5316\u51fd\u6570\uff0c\u5426\u5219\u6bcf\u6b21\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u82f1\u8bd1\u6c49\u670d\u52a1\u65f6\u90fd\u4f1a\u91cd\u65b0\u5efa\u7acb\u6620\u5c04\u5173\u7cfb\u3002<\/li>\n\n\n\n
  • \u5982\u679c\u4f60\u81ea\u5df1\u8981\u5b9e\u73b0\u4e00\u4e2a\u82f1\u8bd1\u6c49\u670d\u52a1\u5668\uff0c\u5e94\u8be5\u5c06\u8fd9\u5f20\u6620\u5c04\u8868\u5b9a\u4e49\u4e3a\u9759\u6001\uff0c\u4fdd\u8bc1\u5168\u5c40\u53ea\u6709\u4e00\u5f20\u6620\u5c04\u8868\uff0c\u5728\u542f\u52a8\u670d\u52a1\u5668\u65f6\u5c31\u53ef\u4ee5\u5bf9\u8fd9\u5f20\u6620\u5c04\u8868\u8fdb\u884c\u521d\u59cb\u5316\u3002\u53ef\u4ee5\u5c06\u4e2d\u82f1\u6587\u5bf9\u7167\u5355\u72ec\u5199\u5728\u4e00\u4e2a\u6587\u4ef6\u5f53\u4e2d\uff0c\u5728\u542f\u52a8\u670d\u52a1\u5668\u65f6\u5c31\u53ef\u4ee5\u5c06\u8be5\u6587\u4ef6\u52a0\u8f7d\u8fdb\u6765\uff0c\u5efa\u7acb\u5bf9\u5e94\u7684\u6620\u5c04\u5173\u7cfb\u3002\uff08\u8fd9\u91cc\u6211\u4eec\u53ea\u662f\u505a\u6d4b\u8bd5\u7684\uff0c\u5c31\u4e0d\u505a\u8fc7\u591a\u7684\u8bbe\u8ba1\u4e86\uff09<\/li>\n\n\n\n
  • \u5f53\u670d\u52a1\u7aef\u5728\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u82f1\u8bd1\u6c49\u670d\u52a1\u65f6\uff0c\u5982\u679c\u5728\u6620\u5c04\u8868\u4e2d\u4e0d\u5b58\u5728\u5bf9\u5e94key\u503c\u7684\u952e\u503c\u5bf9\uff0c\u5219\u670d\u52a1\u7aef\u4f1a\u76f4\u63a5\u5c06\u7528\u6237\u53d1\u6765\u7684\u6570\u636e\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n\n\n\n
    \u4ee3\u7801\u6d4b\u8bd5<\/h3>\n\n\n\n
    \u73b0\u5728\u8fd9\u4e2aTCP\u670d\u52a1\u5668\u5c31\u80fd\u591f\u7ed9\u5ba2\u6237\u7aef\u63d0\u4f9b\u82f1\u8bd1\u6c49\u7684\u670d\u52a1\u4e86\uff0c\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u5355\u8bcd\u5982\u679c\u80fd\u591f\u5728\u6620\u5c04\u8868\u5f53\u4e2d\u627e\u5230\uff0c\u90a3\u4e48\u670d\u52a1\u7aef\u4f1a\u5c06\u8be5\u5355\u8bcd\u5bf9\u5e94\u53d1\u4e2d\u6587\u610f\u601d\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef\uff0c\u5426\u5219\u4f1a\u5c06\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u5355\u8bcd\u539f\u5c01\u4e0d\u52a8\u7684\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n
    \"img\"\/<\/div><\/figure>\n\n\n\n
    \u6ce8\u610f\uff1a<\/strong> \u8fd9\u91cc\u53ea\u662f\u60f3\u544a\u8bc9\u5927\u5bb6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u8fd9\u91cc\u7684handler\u65b9\u6cd5\u6765\u6539\u53d8\u670d\u52a1\u5668\u5904\u7406\u4efb\u52a1\u7684\u903b\u8f91\u3002\u5982\u679c\u4f60\u8fd8\u60f3\u5bf9\u5f53\u524d\u8fd9\u4e2a\u82f1\u8bd1\u6c49\u670d\u52a1\u5668\u8fdb\u884c\u5b8c\u5584\uff0c\u53ef\u4ee5\u5728\u7f51\u4e0a\u627e\u4e00\u627e\u725b\u6d25\u8bcd\u5178\u5bf9\u5e94\u7684\u6587\u4ef6\uff0c\u5c06\u5176\u4e2d\u5355\u8bcd\u548c\u4e2d\u6587\u7684\u7ffb\u8bd1\u505a\u51fakv\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u5f53\u670d\u52a1\u5668\u542f\u52a8\u7684\u65f6\u5019\u5c31\u53ef\u4ee5\u52a0\u8f7d\u8fd9\u4e2a\u6587\u4ef6\uff0c\u5efa\u7acb\u5bf9\u5e94\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u6b64\u65f6\u5c31\u5b8c\u6210\u4e86\u4e00\u4e2a\u7f51\u7edc\u7248\u7684\u82f1\u8bd1\u6c49\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n
    \u5730\u5740\u8f6c\u6362\u51fd\u6570<\/h2>\n\n\n\n
    \u5b57\u7b26\u4e32IP\u8f6c\u6574\u6570IP<\/h3>\n\n\n\n
    \n
    inet_aton\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n
    inet_aton\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
    int inet_aton(const char *cp, struct in_addr *inp);<\/code><\/pre>\n\n\n\n
    \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
      \n
    • cp\uff1a\u5f85\u8f6c\u6362\u7684\u5b57\u7b26\u4e32IP\u3002<\/li>\n\n\n\n
    • inp\uff1a\u8f6c\u6362\u540e\u7684\u6574\u6570IP\uff0c\u8fd9\u662f\u4e00\u4e2a\u8f93\u51fa\u578b\u53c2\u6570\u3002<\/li>\n<\/ul>\n\n\n\n
      \u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n
        \n
      • \u5982\u679c\u8f6c\u6362\u6210\u529f\u5219\u8fd4\u56de\u4e00\u4e2a\u975e\u96f6\u503c\uff0c\u5982\u679c\u8f93\u5165\u7684\u5730\u5740\u4e0d\u6b63\u786e\u5219\u8fd4\u56de\u96f6\u503c\u3002<\/li>\n<\/ul>\n\n\n\n
        \n
        inet_addr\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n
        inet_addr\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
        in_addr_t inet_addr(const char* cp);<\/code><\/pre>\n\n\n\n
        \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
          \n
        • cp\uff1a\u5f85\u8f6c\u6362\u7684\u5b57\u7b26\u4e32IP\u3002<\/li>\n<\/ul>\n\n\n\n
          \u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n
            \n
          • \u5982\u679c\u8f93\u5165\u7684\u5730\u5740\u6709\u6548\uff0c\u5219\u8fd4\u56de\u8f6c\u6362\u540e\u7684\u6574\u6570IP\uff1b\u5982\u679c\u8f93\u5165\u7684\u5730\u5740\u65e0\u6548\uff0c\u5219\u8fd4\u56deINADDR_NONE<\/code>\uff08\u901a\u5e38\u4e3a-1\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
            \n
            inet_pton\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n
            inet_pton\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
            int inet_pton(int af, const char *src, void *dst);<\/code><\/pre>\n\n\n\n
            \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
              \n
            • af\uff1a\u534f\u8bae\u5bb6\u65cf\u3002<\/li>\n\n\n\n
            • src\uff1a\u5f85\u8f6c\u6362\u7684\u5b57\u7b26\u4e32IP\u3002<\/li>\n\n\n\n
            • dst\uff1a\u8f6c\u6362\u540e\u7684\u6574\u6570IP\uff0c\u8fd9\u662f\u4e00\u4e2a\u8f93\u51fa\u578b\u53c2\u6570\u3002<\/li>\n<\/ul>\n\n\n\n
              \u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n
                \n
              • \u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u5219\u8fd4\u56de1\u3002<\/li>\n\n\n\n
              • \u5982\u679c\u8f93\u5165\u7684\u5b57\u7b26\u4e32IP\u65e0\u6548\uff0c\u5219\u8fd4\u56de0\u3002<\/li>\n\n\n\n
              • \u5982\u679c\u8f93\u5165\u7684\u534f\u8bae\u5bb6\u65cfaf\u65e0\u6548\uff0c\u5219\u8fd4\u56de-1\uff0c\u5e76\u5c06errno\u8bbe\u7f6e\u4e3aEAFNOSUPPORT<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n
                \u6574\u6570IP\u8f6c\u5b57\u7b26\u4e32IP<\/h3>\n\n\n\n
                \n
                inet_ntoa\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n
                inet_ntoa\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                char* inet_ntoa(struct in_addr in);<\/code><\/pre>\n\n\n\n
                \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
                  \n
                • in\uff1a\u5f85\u8f6c\u6362\u7684\u6574\u6570IP\u3002<\/li>\n<\/ul>\n\n\n\n
                  \u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n
                    \n
                  • \u8fd4\u56de\u8f6c\u6362\u540e\u7684\u5b57\u7b26\u4e32IP\u3002<\/li>\n<\/ul>\n\n\n\n
                    \n
                    inet_ntop\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n
                    inet_ntop\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                    const char *inet_ntop(int af, const void *src, char* dst, socklen_t size);<\/code><\/pre>\n\n\n\n
                    \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
                      \n
                    • af\uff1a\u534f\u8bae\u5bb6\u65cf\u3002<\/li>\n\n\n\n
                    • src\uff1a\u5f85\u8f6c\u6362\u7684\u6574\u6570IP\u3002<\/li>\n\n\n\n
                    • dst\uff1a\u8f6c\u6362\u540e\u7684\u5b57\u7b26\u4e32IP\uff0c\u8fd9\u662f\u4e00\u4e2a\u8f93\u51fa\u578b\u53c2\u6570\u3002<\/li>\n\n\n\n
                    • size\uff1a\u7528\u4e8e\u6307\u660edst\u4e2d\u53ef\u7528\u7684\u5b57\u8282\u6570\u3002<\/li>\n<\/ul>\n\n\n\n
                      \u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n
                        \n
                      • \u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u5219\u8fd4\u56de\u4e00\u4e2a\u6307\u5411dst\u7684\u975e\u7a7a\u6307\u9488\uff1b\u5982\u679c\u8f6c\u6362\u5931\u8d25\uff0c\u5219\u8fd4\u56deNULL\u3002<\/li>\n<\/ul>\n\n\n\n
                        \n
                        \u8bf4\u660e\u4e00\u4e0b<\/p>\n<\/blockquote>\n\n\n\n
                          \n
                        • \u6211\u4eec\u6700\u5e38\u7528\u7684\u4e24\u4e2a\u8f6c\u6362\u51fd\u6570\u662finet_addr\u548cinet_ntoa\uff0c\u56e0\u4e3a\u8fd9\u4e24\u4e2a\u51fd\u6570\u8db3\u591f\u7b80\u5355\u3002\u8fd9\u4e24\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u5c31\u662f\u9700\u8981\u8f6c\u6362\u7684\u5b57\u7b26\u4e32IP\u6216\u6574\u6570IP\uff0c\u800c\u8fd9\u4e24\u4e2a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u5c31\u662f\u5bf9\u5e94\u7684\u6574\u6570IP\u548c\u5b57\u7b26\u4e32IP\u3002<\/li>\n\n\n\n
                        • \u5176\u4e2dinet_pton\u548cinet_ntop\u51fd\u6570\u4e0d\u4ec5\u53ef\u4ee5\u8f6c\u6362IPv4\u7684in_addr<\/code>\uff0c\u8fd8\u53ef\u4ee5\u8f6c\u6362IPv6\u7684in6_addr<\/code>\uff0c\u56e0\u6b64\u8fd9\u4e24\u4e2a\u51fd\u6570\u4e2d\u5bf9\u5e94\u7684\u53c2\u6570\u7c7b\u578b\u662fvoid*<\/code>\u3002<\/li>\n\n\n\n
                        • \u5b9e\u9645\u8fd9\u4e9b\u8f6c\u6362\u51fd\u6570\u90fd\u662f\u4e3a\u4e86\u6ee1\u8db3\u67d0\u4e9b\u6253\u5370\u573a\u666f\u7684\uff0c\u6b64\u5904\u4e4b\u5916\uff0c\u66f4\u591a\u7684\u662f\u7528\u6765\u505a\u67d0\u4e9b\u6570\u636e\u5206\u6790\uff0c\u6bd4\u5982\u7f51\u7edc\u5b89\u5168\u65b9\u9762\u7684\u6570\u636e\u5206\u6790\u3002<\/li>\n<\/ul>\n\n\n\n
                          \u5173\u4e8einet_ntoa\u51fd\u6570<\/h3>\n\n\n\n
                          \n
                          inet_ntoa\u51fd\u6570\u53ef\u4ee5\u5c06\u56db\u5b57\u8282\u7684\u6574\u6570IP\u8f6c\u6362\u6210\u5b57\u7b26\u4e32IP\uff0c\u5176\u4e2d\u8be5\u51fd\u6570\u8fd4\u56de\u7684\u8fd9\u4e2a\u8f6c\u6362\u540e\u7684\u5b57\u7b26\u4e32IP\u662f\u5b58\u50a8\u5728\u9759\u6001\u5b58\u50a8\u533a\u7684\uff0c\u4e0d\u9700\u8981\u8c03\u7528\u8005\u624b\u52a8\u8fdb\u884c\u91ca\u653e\uff0c\u4f46\u5982\u679c\u6211\u4eec\u591a\u6b21\u8c03\u7528inet_ntoa\u51fd\u6570\uff0c\u6b64\u65f6\u5c31\u4f1a\u51fa\u73b0\u6570\u636e\u8986\u76d6\u7684\u95ee\u9898\u3002<\/p>\n<\/blockquote>\n\n\n\n
                          \u4f8b\u5982\uff0c\u4e0b\u5217\u4ee3\u7801\u8fde\u7eed\u8c03\u7528\u4e86\u4e24\u6b21inet_ntoa\u51fd\u6570\u3002<\/p>\n\n\n\n
                          \"image-20230509232501354\"\/<\/div><\/figure>\n\n\n\n
                          \u7531\u4e8einet_ntoa\u51fd\u6570\u5185\u90e8\u53ea\u5728\u9759\u6001\u5b58\u50a8\u533a\u7533\u8bf7\u4e86\u4e00\u5757\u533a\u57df\uff0c\u56e0\u6b64inet_ntoa\u51fd\u6570\u7b2c\u4e8c\u6b21\u8f6c\u6362\u7684\u7ed3\u679c\u5c31\u4f1a\u8986\u76d6\u7b2c\u4e00\u6b21\u8f6c\u6362\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n
                          \"image-20230509232833385\"\/<\/div><\/figure>\n\n\n\n
                          \u56e0\u6b64\uff0c\u5982\u679c\u9700\u8981\u591a\u6b21\u8c03\u7528inet_ntoa\u51fd\u6570\uff0c\u90a3\u4e48\u5c31\u8981\u53ca\u65f6\u4fdd\u5b58inet_ntoa\u7684\u8f6c\u6362\u7ed3\u679c\u3002<\/p>\n\n\n\n
                          \n
                          \u5e76\u53d1\u573a\u666f\u4e0b\u7684inet_ntoa\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n
                          inet_ntoa\u51fd\u6570\u5185\u90e8\u53ea\u5728\u9759\u6001\u5b58\u50a8\u533a\u57df\u7533\u8bf7\u4e86\u4e00\u5757\u533a\u57df\uff0c\u7528\u4e8e\u5b58\u50a8\u8f6c\u6362\u540e\u7684\u5b57\u7b26\u4e32IP\uff0c\u90a3\u4e48\u5728\u7ebf\u7a0b\u573a\u666f\u4e0b\u8fd9\u5757\u533a\u57df\u53eb\u505a\u4e34\u754c\u533a\uff0c\u591a\u7ebf\u7a0b\u5728\u4e0d\u52a0\u9501\u7684\u60c5\u51b5\u4e0b\u540c\u65f6\u8bbf\u95ee\u4e34\u754c\u533a\u5fc5\u7136\u4f1a\u51fa\u73b0\u5f02\u5e38\u60c5\u51b5\u3002\u5e76\u4e14\u5728APUE\u4e2d\uff0c\u4e5f\u660e\u786e\u63d0\u51fainet_ntoa\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u51fd\u6570\u3002<\/p>\n\n\n\n
                          \u4e0b\u9762\u6211\u4eec\u5728\u591a\u7ebf\u7a0b\u573a\u666f\u4e0b\u5bf9inet_ntoa\u51fd\u6570\u8fdb\u884c\u6d4b\u8bd5\uff1a<\/p>\n\n\n\n
                          #include <iostream>\n#include <netinet\/in.h>\n#include <arpa\/inet.h>\n#include <pthread.h>\n#include <unistd.h>\n\nvoid* Func1(void* arg)\n{\n    struct sockaddr_in* p = (struct sockaddr_in*)arg;\n    while (1){\n        char* ptr1 = inet_ntoa(p->sin_addr);\n        std::cout << \"ptr1: \" << ptr1 << std::endl;\n        sleep(1);\n    }\n}\nvoid* Func2(void* arg)\n{\n    struct sockaddr_in* p = (struct sockaddr_in*)arg;\n    while (1){\n        char* ptr2 = inet_ntoa(p->sin_addr);\n        std::cout << \"ptr2: \" << ptr2 << std::endl;\n        sleep(1);\n    }\n}\nint main()\n{\n    struct sockaddr_in addr1;\n    struct sockaddr_in addr2;\n    addr1.sin_addr.s_addr = 0;\n    addr2.sin_addr.s_addr = 0xffffffff;\n\n    pthread_t tid1 = 0;\n    pthread_create(&tid1, nullptr, Func1, &addr1);\n    pthread_t tid2 = 0;\n    pthread_create(&tid2, nullptr, Func2, &addr2);\n\n    pthread_join(tid1, nullptr);\n    pthread_join(tid2, nullptr);\n    return 0;\n}<\/code><\/pre>\n\n\n\n
                          \u4f46\u662f\u5b9e\u9645\u5728centos7\u4e0a\u6d4b\u8bd5\u65f6\uff0c\u5728\u591a\u7ebf\u7a0b\u573a\u666f\u4e0b\u8c03\u7528inet_ntoa\u51fd\u6570\u5e76\u6ca1\u6709\u51fa\u73b0\u95ee\u9898\uff0c\u53ef\u80fd\u662f\u8be5\u51fd\u6570\u5185\u90e8\u7684\u5b9e\u73b0\u52a0\u4e86\u4e92\u65a5\u9501\uff0c\u8fd9\u5c31\u8ddf\u63a5\u53e3\u672c\u8eab\u7684\u8bbe\u8ba1\u4e5f\u662f\u6709\u5173\u7cfb\u7684\u3002<\/p>\n\n\n\n
                          \"image-20230509234050142\"\/<\/div><\/figure>\n\n\n\n
                          \u9274\u4e8e\u6b64\uff0c\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u66f4\u52a0\u63a8\u8350\u4f7f\u7528inet_ntop\u51fd\u6570\u8fdb\u884c\u8f6c\u6362\uff0c\u56e0\u4e3a\u8be5\u51fd\u6570\u662f\u7531\u8c03\u7528\u8005\u81ea\u5df1\u63d0\u4f9b\u7f13\u51b2\u533a\u4fdd\u5b58\u8f6c\u6362\u7ed3\u679c\u7684\uff0c\u53ef\u4ee5\u89c4\u907f\u7ebf\u7a0b\u5b89\u5168\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n
                          \u7ed1\u5b9a\u5931\u8d25\u95ee\u9898<\/h2>\n\n\n\n
                          \n
                          \u8d44\u6e90\u672a\u91ca\u653e\u5e72\u51c0<\/p>\n<\/blockquote>\n\n\n\n
                          \u5f53\u6211\u4eec\u5728\u6d4b\u8bd5\u7f51\u7edc\u4ee3\u7801\u65f6\uff0c\u5148\u5c06\u670d\u52a1\u7aef\u7ed1\u5b9a8081\u7aef\u53e3\u8fd0\u884c\uff0c\u7136\u540e\u8fd0\u884c\u5ba2\u6237\u7aef\uff0c\u5e76\u8ba9\u5ba2\u6237\u7aef\u8fde\u63a5\u5f53\u524d\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n
                          \"img\"\/<\/div><\/figure>\n\n\n\n
                          \u6b64\u65f6\u5728\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u7aef\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u76f4\u63a5\u5c06\u670d\u52a1\u7aef\u5173\u95ed\uff0c\u6b64\u65f6\u670d\u52a1\u7aef\u8981\u60f3\u518d\u6b21\u7ed1\u5b9a8081\u53f7\u7aef\u53e3\u8fd0\u884c\uff0c\u5c31\u53ef\u80fd\u4f1a\u7ed1\u5b9a\u5931\u8d25\u3002<\/p>\n\n\n\n
                          \"img\"\/<\/div><\/figure>\n\n\n\n
                          \u7ed1\u5b9a\u5931\u8d25\u8fd9\u4e2a\u95ee\u9898\u6d89\u53caTCP\u901a\u4fe1\u4e2d\u53cc\u65b9\u72b6\u6001\u53d8\u5316\u7684\u4e00\u4e2a\u7ec6\u8282\uff0c\u8fd9\u91cc\u6682\u65f6\u65e0\u6cd5\u89e3\u91ca\u6e05\u695a\uff0c\u540e\u9762\u535a\u4e3b\u5728\u8bb2\u89e3TCP\u534f\u8bae\u7ec6\u8282\u65f6\u4f1a\u8be6\u8c08\u3002\u8fd9\u91cc\u60f3\u8bf4\u660e\u7684\u5c31\u662f\uff0c\u7ed1\u5b9a\u662f\u6709\u53ef\u80fd\u5931\u8d25\u7684\uff0c\u8fd9\u91cc\u7ed1\u5b9a\u5931\u8d25\u5b9e\u9645\u662f\u56e0\u4e3a\u670d\u52a1\u7aef\u9000\u51fa\u65f6\u6ca1\u6709\u5c06\u8d44\u6e90\u91ca\u653e\u5e72\u51c0\u3002<\/p>\n\n\n\n
                          \n
                          \u7aef\u53e3\u53f7\u5df2\u88ab\u5176\u4ed6\u7a0b\u5e8f\u7ed1\u5b9a<\/p>\n<\/blockquote>\n\n\n\n
                          \u6b64\u5916\uff0c\u7ed1\u5b9a\u5931\u8d25\u8fd8\u6709\u53ef\u80fd\u56e0\u4e3a\u5f53\u524d\u7aef\u53e3\u53f7\u5df2\u7ecf\u88ab\u5176\u4ed6\u7a0b\u5e8f\u7ed1\u5b9a\u4e86\u3002\u6bd4\u5982\u4e00\u4e2a\u7a0b\u5e8f\u5df2\u7ecf\u7ed1\u5b9a\u4e868081\u53f7\u7aef\u53e3\uff0c\u6b64\u65f6\u53e6\u4e00\u4e2a\u7a0b\u5e8f\u4e5f\u60f3\u7ed1\u5b9a8081\u53f7\u7aef\u53e3\uff0c\u6b64\u65f6\u8be5\u7a0b\u5e8f\u5c31\u4f1a\u7ed1\u5b9a\u5931\u8d25\u3002<\/p>\n\n\n\n
                          \"img\"\/<\/div><\/figure>\n\n\n\n
                          \u8fd9\u5b9e\u9645\u4e5f\u5c31\u9a8c\u8bc1\u4e86\u4e00\u4e2a\u7aef\u53e3\u53f7\u53ea\u80fd\u88ab\u4e00\u4e2a\u8fdb\u7a0b\u6240\u7ed1\u5b9a\u8fd9\u6837\u7684\u89c4\u5219\uff0c\u6b64\u65f6\u4e5f\u5c31\u786e\u4fdd\u4e86\u7aef\u53e3\u53f7\u5230\u670d\u52a1\u4e4b\u95f4\u7684\u6620\u5c04\u672c\u8eab\u5c31\u5177\u5907\u552f\u4e00\u6027\u3002<\/p>\n\n\n\n
                          \n
                          \u65e0\u6cd5\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f7<\/p>\n<\/blockquote>\n\n\n\n
                          \u6211\u4eec\u81ea\u5df1\u7f16\u5199\u7684\u670d\u52a1\u5668\u4ee3\u7801\u5728\u7ed1\u5b9a\u7aef\u53e3\u53f7\u65f6\uff0c\u5c3d\u91cf\u4e0d\u8981\u7ed1\u5b9a1024\u4ee5\u4e0b\u7684\u7aef\u53e3\u53f7\u3002\u4e00\u822c\u4e91\u670d\u52a1\u5668\u53ea\u80fd\u7ed1\u5b9a1024\u53ca\u5176\u5f80\u4e0a\u7684\u7aef\u53e3\u53f7\uff0c\u56e0\u4e3a1024\u4ee5\u4e0b\u7684\u7aef\u53e3\u5df2\u7ecf\u7ea6\u5b9a\u4fd7\u6210\u88ab\u5176\u4ed6\u4e00\u4e9b\u6bd4\u8f83\u6210\u719f\u7684\u670d\u52a1\u6240\u4f7f\u7528\u4e86\uff0c\u5982\u679c\u6211\u4eec\u7ed1\u5b9a1024\u4ee5\u4e0b\u7684\u7aef\u53e3\u53f7\uff0c\u90a3\u4e48\u4f1a\u7ed1\u5b9a\u5931\u8d25\u3002<\/p>\n\n\n\n
                          \"img\"\/<\/div><\/figure>\n\n\n\n
                          \u56e0\u6b64\u6211\u4eec\u4e00\u822c\u53ea\u80fd\u7ed1\u5b9a1024\u53ca\u5176\u5f80\u4e0a\u7684\u7aef\u53e3\u53f7\uff0c\u6700\u597d\u7ed1\u5b9a8000\u53ca\u5176\u5f80\u4e0a\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n\n\n\n
                          \u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n
                            \n
                          • \u6211\u4eec\u5728\u4e91\u670d\u52a1\u5668\u4e0a\u5199\u4ee3\u7801\u65f6\uff0c\u5c31\u7b97\u4ee3\u7801\u6ca1\u6709\u95ee\u9898\u4e5f\u4e0d\u4e00\u5b9a\u80fd\u8bbf\u95ee\u6210\u529f\uff0c\u6709\u53ef\u80fd\u4f60\u7684\u4e91\u670d\u52a1\u5668\u6ca1\u6709\u5f00\u653e\u7aef\u53e3\u3002\u6b64\u65f6\u5982\u679c\u60f3\u8981\u6d4b\u8bd5\u7f16\u5199\u7684\u7f51\u7edc\u4ee3\u7801\uff0c\u5c31\u8981\u5728\u4f60\u7684\u4e91\u670d\u52a1\u5668\u4e0a\u5f00\u653e\u5b89\u5168\u7ec4\u3002<\/li>\n<\/ul>\n\n\n\n
                            TCP\u534f\u8bae\u901a\u8baf\u6d41\u7a0b<\/h2>\n\n\n\n
                            \u901a\u8baf\u6d41\u7a0b\u603b\u89c8<\/h3>\n\n\n\n
                            \u4e0b\u56fe\u662f\u57fa\u4e8eTCP\u534f\u8bae\u7684\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u7a0b\u5e8f\u7684\u4e00\u822c\u6d41\u7a0b\uff1a<\/p>\n\n\n\n
                            \"img\"\/<\/div><\/figure>\n\n\n\n
                            \u4e0b\u9762\u6211\u4eec\u7ed3\u5408TCP\u534f\u8bae\u7684\u901a\u4fe1\u6d41\u7a0b\uff0c\u6765\u521d\u6b65\u8ba4\u8bc6\u4e00\u4e0b\u4e09\u6b21\u63e1\u624b\u548c\u56db\u6b21\u6325\u624b\uff0c\u4ee5\u53ca\u5efa\u7acb\u8fde\u63a5\u548c\u65ad\u5f00\u8fde\u63a5\u4e0e\u5404\u4e2a\u7f51\u7edc\u63a5\u53e3\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n\n\n\n
                            \u4e09\u6b21\u63e1\u624b\u7684\u8fc7\u7a0b<\/h3>\n\n\n\n
                            \"img\"\/<\/div><\/figure>\n\n\n\n
                            \n
                            \u521d\u59cb\u5316\u670d\u52a1\u5668<\/p>\n<\/blockquote>\n\n\n\n
                            \u5f53\u670d\u52a1\u5668\u5b8c\u6210\u5957\u63a5\u5b57\u521b\u5efa\u3001\u7ed1\u5b9a\u4ee5\u53ca\u76d1\u542c\u7684\u521d\u59cb\u5316\u52a8\u4f5c\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u8c03\u7528accept\u51fd\u6570\u963b\u585e\u7b49\u5f85\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u8fde\u63a5\u4e86\u3002<\/p>\n\n\n\n
                            \u670d\u52a1\u5668\u521d\u59cb\u5316\uff1a<\/p>\n\n\n\n
                              \n
                            • \u8c03\u7528socket\uff0c\u521b\u5efa\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n\n\n\n
                            • \u8c03\u7528bind\uff0c\u5c06\u5f53\u524d\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u548cIP\/PORT\u7ed1\u5b9a\u5728\u4e00\u8d77\uff0c\u5982\u679c\u8fd9\u4e2a\u7aef\u53e3\u5df2\u7ecf\u88ab\u5176\u4ed6\u8fdb\u7a0b\u5360\u7528\u4e86\uff0c\u5c31\u4f1abind\u5931\u8d25\u3002<\/li>\n\n\n\n
                            • \u8c03\u7528listen\uff0c\u58f0\u660e\u5f53\u524d\u8fd9\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u4f5c\u4e3a\u4e00\u4e2a\u670d\u52a1\u5668\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u4e3a\u540e\u9762\u7684accept\u505a\u597d\u51c6\u5907\u3002<\/li>\n\n\n\n
                            • \u8c03\u7528accept\uff0c\u5e76\u963b\u585e\uff0c\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u6765\u3002<\/li>\n<\/ul>\n\n\n\n
                              \n
                              \u5efa\u7acb\u8fde\u63a5<\/p>\n<\/blockquote>\n\n\n\n
                              \u800c\u5ba2\u6237\u7aef\u5728\u5b8c\u6210\u5957\u63a5\u5b57\u521b\u5efa\u540e\uff0c\u5c31\u4f1a\u5728\u5408\u9002\u7684\u65f6\u5019\u901a\u8fc7connect\u51fd\u6570\u5411\u670d\u52a1\u5668\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\uff0c\u800c\u5ba2\u6237\u7aef\u5728connect\u7684\u65f6\u5019\u672c\u8d28\u662f\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\u5411\u670d\u52a1\u5668\u4e09\u6b21\u63e1\u624b\uff0c\u56e0\u6b64connect\u7684\u4f5c\u7528\u5b9e\u9645\u5c31\u662f\u89e6\u53d1\u4e09\u6b21\u63e1\u624b\u3002<\/p>\n\n\n\n
                              \u5efa\u7acb\u8fde\u63a5\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n
                                \n
                              • \u8c03\u7528socket\uff0c\u521b\u5efa\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n\n\n\n
                              • \u8c03\u7528connect\uff0c\u5411\u670d\u52a1\u5668\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u3002<\/li>\n\n\n\n
                              • connect\u4f1a\u53d1\u51faSYN\u6bb5\u5e76\u963b\u585e\u7b49\u5f85\u670d\u52a1\u5668\u5e94\u7b54\uff08\u7b2c\u4e00\u6b21\uff09\u3002<\/li>\n\n\n\n
                              • \u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u7684SYN\uff0c\u4f1a\u5e94\u7b54\u4e00\u4e2aSYN-ACK\u6bb5\u8868\u793a\u201c\u540c\u610f\u5efa\u7acb\u8fde\u63a5\u201d\uff08\u7b2c\u4e8c\u6b21\uff09\u3002<\/li>\n\n\n\n
                              • \u5ba2\u6237\u7aef\u6536\u5230SYN-ACK\u540e\u4f1a\u4ececonnect\u8fd4\u56de\uff0c\u540c\u65f6\u5e94\u7b54\u4e00\u4e2aACK\u6bb5\uff08\u7b2c\u4e09\u6b21\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
                                \u8fd9\u4e2a\u5efa\u7acb\u8fde\u63a5\u7684\u8fc7\u7a0b\uff0c\u901a\u5e38\u79f0\u4e3a\u4e09\u6b21\u63e1\u624b\u3002<\/p>\n\n\n\n
                                \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fde\u63a5\u5e76\u4e0d\u662f\u7acb\u9a6c\u5efa\u7acb\u6210\u529f\u7684\uff0c\u7531\u4e8eTCP\u5c5e\u4e8e\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u56e0\u6b64\u5728\u5efa\u7acb\u8fde\u63a5\u65f6\u53cc\u65b9\u7684\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u81ea\u4e3b\u8fdb\u884c\u4e09\u6b21\u534f\u5546\uff0c\u6700\u540e\u8fde\u63a5\u624d\u4f1a\u5efa\u7acb\u6210\u529f\u3002<\/p>\n\n\n\n
                                \u6570\u636e\u4f20\u8f93\u7684\u8fc7\u7a0b<\/h3>\n\n\n\n
                                \"img\"\/<\/div><\/figure>\n\n\n\n
                                \n
                                \u6570\u636e\u4ea4\u4e92<\/p>\n<\/blockquote>\n\n\n\n
                                \u8fde\u63a5\u4e00\u65e6\u5efa\u7acb\u6210\u529f\u5e76\u4e14\u88abaccept\u83b7\u53d6\u4e0a\u6765\u540e\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u5c31\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u4e86\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fde\u63a5\u5efa\u7acb\u548c\u8fde\u63a5\u88ab\u62ff\u5230\u7528\u6237\u5c42\u662f\u4e24\u7801\u4e8b\uff0caccept\u51fd\u6570\u5b9e\u9645\u4e0d\u53c2\u4e0e\u4e09\u6b21\u63e1\u624b\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u56e0\u4e3a\u4e09\u6b21\u63e1\u624b\u672c\u8eab\u5c31\u662f\u5e95\u5c42TCP\u6240\u505a\u7684\u5de5\u4f5c\u3002accept\u8981\u505a\u7684\u53ea\u662f\u5c06\u5e95\u5c42\u5df2\u7ecf\u5efa\u7acb\u597d\u7684\u8fde\u63a5\u62ff\u5230\u7528\u6237\u5c42\uff0c\u5982\u679c\u5e95\u5c42\u6ca1\u6709\u5efa\u7acb\u597d\u7684\u8fde\u63a5\uff0c\u90a3\u4e48accept\u51fd\u6570\u5c31\u4f1a\u963b\u585e\u4f4f\u76f4\u5230\u6709\u5efa\u7acb\u597d\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n
                                \u800c\u53cc\u65b9\u5728\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u65f6\u4f7f\u7528\u7684\u5b9e\u9645\u5c31\u662fread\u548cwrite\uff0c\u5176\u4e2dwrite\u5c31\u53eb\u505a\u5199\u6570\u636e\uff0cread\u5c31\u53eb\u505a\u8bfb\u6570\u636e\u3002write\u7684\u4efb\u52a1\u5c31\u662f\u628a\u7528\u6237\u6570\u636e\u62f7\u8d1d\u5230\u64cd\u4f5c\u7cfb\u7edf\uff0c\u800c\u62f7\u8d1d\u8fc7\u53bb\u7684\u6570\u636e\u4f55\u65f6\u53d1\u4ee5\u53ca\u53d1\u591a\u5c11\uff0c\u5c31\u662f\u7531TCP\u51b3\u5b9a\u7684\u3002\u800cread\u7684\u4efb\u52a1\u5c31\u662f\u628a\u6570\u636e\u4ece\u5185\u6838\u8bfb\u5230\u7528\u6237\u3002<\/p>\n\n\n\n
                                \u6570\u636e\u4f20\u8f93\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n
                                  \n
                                • \u5efa\u7acb\u8fde\u63a5\u540e\uff0cTCP\u534f\u8bae\u63d0\u4f9b\u5168\u53cc\u5de5\u7684\u901a\u4fe1\u670d\u52a1\uff0c\u6240\u8c13\u5168\u53cc\u5de5\u7684\u610f\u601d\u662f\uff0c\u5728\u540c\u4e00\u6761\u8fde\u63a5\u4e2d\uff0c\u540c\u4e00\u65f6\u523b\uff0c\u901a\u4fe1\u53cc\u65b9\u53ef\u4ee5\u540c\u65f6\u5199\u6570\u636e\uff0c\u76f8\u5bf9\u7684\u6982\u5ff5\u53eb\u505a\u534a\u53cc\u5de5\uff0c\u540c\u4e00\u6761\u8fde\u63a5\u5728\u540c\u4e00\u65f6\u523b\uff0c\u53ea\u80fd\u7531\u4e00\u65b9\u6765\u5199\u6570\u636e\u3002<\/li>\n\n\n\n
                                • \u670d\u52a1\u5668\u4eceaccept\u8fd4\u56de\u540e\u7acb\u523b\u8c03\u7528read\uff0c\u8bfbsocket\u5c31\u50cf\u8bfb\u7ba1\u9053\u4e00\u6837\uff0c\u5982\u679c\u6ca1\u6709\u6570\u636e\u5230\u8fbe\u5c31\u963b\u585e\u7b49\u5f85\u3002<\/li>\n\n\n\n
                                • \u8fd9\u65f6\u5ba2\u6237\u7aef\u8c03\u7528write\u53d1\u9001\u8bf7\u6c42\u7ed9\u670d\u52a1\u5668\uff0c\u670d\u52a1\u5668\u6536\u5230\u540e\u4eceread\u8fd4\u56de\uff0c\u5bf9\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\uff0c\u5728\u6b64\u671f\u95f4\u5ba2\u6237\u7aef\u8c03\u7528read\u963b\u585e\u7b49\u5f85\u670d\u52a1\u5668\u7aef\u5e94\u7b54\u3002<\/li>\n\n\n\n
                                • \u670d\u52a1\u5668\u8c03\u7528write\u5c06\u5904\u7406\u7684\u7ed3\u679c\u53d1\u56de\u7ed9\u5ba2\u6237\u7aef\uff0c\u518d\u6b21\u8c03\u7528read\u963b\u585e\u7b49\u5f85\u4e0b\u4e00\u6761\u8bf7\u6c42\u3002<\/li>\n\n\n\n
                                • \u5ba2\u6237\u7aef\u6536\u5230\u540e\u4eceread\u8fd4\u56de\uff0c\u53d1\u9001\u4e0b\u4e00\u6761\u8bf7\u6c42\uff0c\u5982\u6b64\u5faa\u73af\u4e0b\u53bb\u3002<\/li>\n<\/ul>\n\n\n\n
                                  \u56db\u6b21\u6325\u624b\u7684\u8fc7\u7a0b<\/h3>\n\n\n\n
                                  \"img\"\/<\/div><\/figure>\n\n\n\n
                                  \n
                                  \u7aef\u53e3\u8fde\u63a5<\/p>\n<\/blockquote>\n\n\n\n
                                  \u5f53\u53cc\u65b9\u901a\u4fe1\u7ed3\u675f\u4e4b\u540e\uff0c\u9700\u8981\u901a\u8fc7\u56db\u6b21\u6325\u624b\u7684\u65b9\u6848\u4f7f\u53cc\u65b9\u65ad\u5f00\u8fde\u63a5\uff0c\u5f53\u5ba2\u6237\u7aef\u8c03\u7528close\u5173\u95ed\u8fde\u63a5\u540e\uff0c\u670d\u52a1\u5668\u6700\u7ec8\u4e5f\u4f1a\u5173\u95ed\u5bf9\u5e94\u7684\u8fde\u63a5\u3002\u800c\u5176\u4e2d\u4e00\u6b21close\u5c31\u5bf9\u5e94\u4e24\u6b21\u6325\u624b\uff0c\u56e0\u6b64\u4e00\u5bf9close\u6700\u7ec8\u5bf9\u5e94\u7684\u5c31\u662f\u56db\u6b21\u6325\u624b\u3002<\/p>\n\n\n\n
                                  \u65ad\u5f00\u8fde\u63a5\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n
                                    \n
                                  • \u5982\u679c\u5ba2\u6237\u7aef\u6ca1\u6709\u66f4\u591a\u7684\u8bf7\u6c42\u4e86\uff0c\u5c31\u8c03\u7528close\u5173\u95ed\u8fde\u63a5\uff0c\u5ba2\u6237\u7aef\u4f1a\u5411\u670d\u52a1\u5668\u53d1\u9001FIN\u6bb5\uff08\u7b2c\u4e00\u6b21\uff09\u3002<\/li>\n\n\n\n
                                  • \u6b64\u65f6\u670d\u52a1\u5668\u6536\u5230FIN\u540e\uff0c\u4f1a\u56de\u5e94\u4e00\u4e2aACK\uff0c\u540c\u65f6read\u8fd4\u56de0\uff08\u7b2c\u4e8c\u6b21\uff09\u3002<\/li>\n\n\n\n
                                  • read\u8fd4\u56de\u4e4b\u540e\uff0c\u670d\u52a1\u5668\u5c31\u77e5\u9053\u5ba2\u6237\u7aef\u5173\u95ed\u4e86\u8fde\u63a5\uff0c\u4e5f\u8c03\u7528close\u5173\u95ed\u8fde\u63a5\uff0c\u8fd9\u4e2a\u65f6\u5019\u670d\u52a1\u5668\u4f1a\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2aFIN\u6bb5\uff08\u7b2c\u4e09\u6b21\uff09\u3002<\/li>\n\n\n\n
                                  • \u5ba2\u6237\u7aef\u6536\u5230FIN\uff0c\u518d\u8fd4\u56de\u4e00\u4e2aACK\u7ed9\u670d\u52a1\u5668\uff08\u7b2c\u56db\u6b21\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
                                    \u8fd9\u4e2a\u65ad\u5f00\u8fde\u63a5\u7684\u8fc7\u7a0b\uff0c\u901a\u5e38\u79f0\u4e3a\u56db\u6b21\u6325\u624b\u3002<\/p>\n\n\n\n
                                    \n
                                    \u6ce8\u610f\u901a\u8baf\u6d41\u7a0b\u4e0esocket API\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb<\/p>\n<\/blockquote>\n\n\n\n
                                    \u5728\u5b66\u4e60socket API\u65f6\u8981\u6ce8\u610f\u5e94\u7528\u7a0b\u5e8f\u548cTCP\u534f\u8bae\u662f\u5982\u4f55\u4ea4\u4e92\u7684\uff1a<\/p>\n\n\n\n
                                      \n
                                    • \u5e94\u7528\u7a0b\u5e8f\u8c03\u7528\u67d0\u4e2asocket\u51fd\u6570\u65f6TCP\u534f\u8bae\u5c42\u5b8c\u6210\u4ec0\u4e48\u52a8\u4f5c\uff0c\u6bd4\u5982\u8c03\u7528connect\u4f1a\u53d1\u51faSYN\u6bb5\u3002<\/li>\n\n\n\n
                                    • \u5e94\u7528\u7a0b\u5e8f\u5982\u4f55\u77e5\u9053TCP\u534f\u8bae\u5c42\u7684\u72b6\u6001\u53d8\u5316\uff0c\u6bd4\u5982\u4ece\u67d0\u4e2a\u963b\u585e\u7684socket\u51fd\u6570\u8fd4\u56de\u5c31\u8868\u660eTCP\u534f\u8bae\u6536\u5230\u4e86\u67d0\u4e9b\u6bb5\uff0c\u518d\u6bd4\u5982read\u8fd4\u56de0\u5c31\u8868\u660e\u6536\u5230\u4e86FIN\u6bb5\u3002<\/li>\n<\/ul>\n\n\n\n
                                      \n
                                      \u4e3a\u4ec0\u4e48\u8981\u65ad\u5f00\u8fde\u63a5\uff1f<\/p>\n<\/blockquote>\n\n\n\n
                                      \u5efa\u7acb\u8fde\u63a5\u672c\u8d28\u4e0a\u662f\u4e3a\u4e86\u4fdd\u8bc1\u901a\u4fe1\u53cc\u65b9\u90fd\u6709\u4e13\u5c5e\u7684\u8fde\u63a5\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u52a0\u5165\u5f88\u591a\u7684\u4f20\u8f93\u7b56\u7565\uff0c\u4ece\u800c\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002\u4f46\u5982\u679c\u53cc\u65b9\u901a\u4fe1\u7ed3\u675f\u540e\u4e0d\u65ad\u5f00\u5bf9\u5e94\u7684\u8fde\u63a5\uff0c\u90a3\u4e48\u7cfb\u7edf\u7684\u8d44\u6e90\u5c31\u4f1a\u8d8a\u6765\u8d8a\u5c11\u3002<\/p>\n\n\n\n
                                      \u56e0\u4e3a\u670d\u52a1\u5668\u662f\u4f1a\u6536\u5230\u5927\u91cf\u8fde\u63a5\u7684\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5fc5\u987b\u8981\u5bf9\u8fd9\u4e9b\u8fde\u63a5\u8fdb\u884c\u7ba1\u7406\uff0c\u5728\u7ba1\u7406\u8fde\u63a5\u65f6\u6211\u4eec\u9700\u8981\u201c\u5148\u63cf\u8ff0\u518d\u7ec4\u7ec7\u201d\u3002\u56e0\u6b64\u5f53\u4e00\u4e2a\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u5728\u670d\u52a1\u7aef\u5c31\u4f1a\u4e3a\u8be5\u8fde\u63a5\u7ef4\u62a4\u5bf9\u5e94\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5e76\u4e14\u4f1a\u5c06\u8fd9\u4e9b\u8fde\u63a5\u7684\u6570\u636e\u7ed3\u6784\u7ec4\u7ec7\u8d77\u6765\uff0c\u6b64\u65f6\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u8fde\u63a5\u7684\u7ba1\u7406\u5c31\u53d8\u6210\u4e86\u5bf9\u94fe\u8868\u7684\u589e\u5220\u67e5\u6539\u3002<\/p>\n\n\n\n
                                      \u5982\u679c\u4e00\u4e2a\u8fde\u63a5\u5efa\u7acb\u540e\u4e0d\u65ad\u5f00\uff0c\u90a3\u4e48\u64cd\u4f5c\u7cfb\u7edf\u5c31\u9700\u8981\u4e00\u76f4\u4e3a\u5176\u7ef4\u62a4\u5bf9\u5e94\u7684\u6570\u636e\u7ed3\u6784\uff0c\u800c\u7ef4\u62a4\u8fd9\u4e2a\u6570\u636e\u7ed3\u6784\u662f\u9700\u8981\u82b1\u8d39\u65f6\u95f4\u548c\u7a7a\u95f4\u7684\uff0c\u56e0\u6b64\u5f53\u53cc\u65b9\u901a\u4fe1\u7ed3\u675f\u540e\u5c31\u5e94\u8be5\u5c06\u8fd9\u4e2a\u8fde\u63a5\u65ad\u5f00\uff0c\u907f\u514d\u7cfb\u7edf\u8d44\u6e90\u7684\u6d6a\u8d39\uff0c\u8fd9\u5176\u5b9e\u5c31\u662fTCP\u6bd4UDP\u66f4\u590d\u6742\u7684\u539f\u56e0\u4e4b\u4e00\uff0c\u56e0\u4e3aTCP\u9700\u8981\u5bf9\u8fde\u63a5\u8fdb\u884c\u7ba1\u7406\u3002
                                       <\/p>\n\n\n\n
                                      TCP\u548cUDP\u5bf9\u6bd4<\/h2>\n\n\n\n
                                        \n
                                      • \u53ef\u9760\u4f20\u8f93 vs \u4e0d\u53ef\u9760\u4f20\u8f93<\/li>\n\n\n\n
                                      • \u6709\u8fde\u63a5 vs \u65e0\u8fde\u63a5<\/li>\n\n\n\n
                                      • \u5b57\u8282\u6d41 vs \u6570\u636e\u62a5<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
                                        \u7b80\u5355\u7684TCP\u82f1\u8bd1\u6c49\u670d\u52a1\u5668 \u7b80\u5355\u56de\u987e \u5728\u4e0a\u4e00\u7bc7\u535a\u5ba2\u7f51\u7edc\u7f16\u7a0b\u5957\u63a5\u5b57\uff08\u4e8c\uff09\u5f53\u4e2d\u5b9e\u73b0\u4e86\u7b80\u5355\u7684TCP\u670d\u52a1\u5668\uff0c\u6700\u5f00\u59cb\u6211\u4eec\u5b9e […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,7],"tags":[41],"class_list":["post-173","post","type-post","status-publish","format-standard","hentry","category-learn","category-network","tag-41"],"_links":{"self":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=173"}],"version-history":[{"count":1,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/173\/revisions"}],"predecessor-version":[{"id":174,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/173\/revisions\/174"}],"wp:attachment":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}