{"id":83981,"date":"2026-07-26T06:58:31","date_gmt":"2026-07-25T22:58:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/83981.html"},"modified":"2026-07-26T06:58:31","modified_gmt":"2026-07-25T22:58:31","slug":"%e3%80%90linux%e7%bd%91%e7%bb%9c%e3%80%91%e5%a4%9a%e8%b7%af%e8%bd%ac%e6%8e%a5epoll%ef%bc%88%e5%9b%9b%ef%bc%89reactor%e6%a8%a1%e5%bc%8f%ef%bc%9a%e5%9f%ba%e4%ba%8eepoll%e7%9a%84%e9%ab%98%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/83981.html","title":{"rendered":"\u3010Linux\u7f51\u7edc\u3011\u591a\u8def\u8f6c\u63a5epoll\uff08\u56db\uff09Reactor\u6a21\u5f0f\uff1a\u57fa\u4e8eepoll\u7684\u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u5668\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\uff08\u4e2d\uff09\u4ee3\u7801\u7ec6\u8282"},"content":{"rendered":"

\"\u5934\u50cf\" <\/p>\n

🎬 \u4e2a\u4eba\u4e3b\u9875：\u827e\u8389\u4e1d\u52aa\u529b\u7ec3\u5251<\/font><\/p>\n

\u2744\u4e13\u680f\u4f20\u9001\u95e8：\u300aC\u8bed\u8a00\u300b\u300a\u6570\u636e\u7ed3\u6784\u4e0e\u7b97\u6cd5\u300b\u300aC\/C++\u5e72\u8d27\u5206\u4eab&\u5b66\u4e60\u8fc7\u7a0b\u8bb0\u5f55\u300b \u300aLinux\u64cd\u4f5c\u7cfb\u7edf\u7f16\u7a0b\u8be6\u89e3\u300b\u300a\u7b14\u8bd5\/\u9762\u8bd5\u5e38\u89c1\u7b97\u6cd5：\u4ece\u57fa\u7840\u5230\u8fdb\u9636\u300b\u300aPython\u5e72\u8d27\u5206\u4eab\u300b<\/font><\/p>\n

\u2b50\ufe0f\u4e3a\u5929\u5730\u7acb\u5fc3，\u4e3a\u751f\u6c11\u7acb\u547d，\u4e3a\u5f80\u5723\u7ee7\u7edd\u5b66，\u4e3a\u4e07\u4e16\u5f00\u592a\u5e73 <\/font><\/p>\n

\n

🎬 \u827e\u8389\u4e1d\u7684\u7b80\u4ecb：<\/font><\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\n

\u6587\u7ae0\u76ee\u5f55<\/h4>\n
    \n
  • \u524d\u8a00<\/li>\n
  • \n
      \n
    • \u4e00\u3001 \u5f00\u5934\u90e8\u5206（\u6846\u67b6\u5f15\u5165）<\/li>\n
    • \n
        \n
      • \u5bfc\u5165\u8bed<\/li>\n
      • \u601d\u7ef4\u5bfc\u56fe<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
      • 1 ~> AddEvents(Poller.hpp)<\/li>\n
      • \n
          \n
        • 1.1 Connection\u57fa\u7c7b\u62bd\u8c61<\/li>\n
        • \n
            \n
          • 1.1.1 \u57fa\u7c7b\u6838\u5fc3\u5b9a\u4e49<\/li>\n
          • 1.1.2 IOHandler\u6d3e\u751f\u7c7b\u6846\u67b6<\/li>\n<\/ul>\n<\/li>\n
          • 1.2 Poller\u6838\u5fc3\u63a5\u53e3\u5b9e\u73b0<\/li>\n
          • \n
              \n
            • 1.2.1 AddEvents\u4e8b\u4ef6\u6ce8\u518c<\/li>\n
            • 1.2.2 WaitEvents\u4e8b\u4ef6\u7b49\u5f85<\/li>\n<\/ul>\n<\/li>\n
            • 1.3 \u4e8b\u4ef6\u6d3e\u53d1\u5668\u6838\u5fc3\u6846\u67b6<\/li>\n
            • \n
                \n
              • 1.3.1 \u57fa\u7840\u6d3e\u53d1\u903b\u8f91<\/li>\n
              • 1.3.2 timeout\u53c2\u6570\u7684\u4e24\u79cd\u6a21\u5f0f<\/li>\n<\/ul>\n<\/li>\n
              • 1.4 AddEvents\u77e5\u8bc6\u56fe\u8c31<\/li>\n<\/ul>\n<\/li>\n
              • 2 ~> \u4ee5Recver（Listener.hpp）\u4e3a\u4e3b\u7ebf\u2014\u2014\u5b8c\u5584\u6240\u6d89\u53ca\u7684\u7ec6\u8282<\/li>\n
              • \n
                  \n
                • 2.1 Listener\u7c7b\u57fa\u7840\u5b9a\u4e49<\/li>\n
                • \n
                    \n
                  • 2.1.1 \u7c7b\u5b9a\u4e49<\/li>\n<\/ul>\n<\/li>\n
                  • 2.2 ET\u6a21\u5f0f\u4e0b\u7684Accept\u5904\u7406\u903b\u8f91<\/li>\n
                  • \n
                      \n
                    • 2.2.1 Accepter\u63a5\u53e3\u6539\u9020<\/li>\n
                    • 2.2.2 \u5faa\u73afAccept\u4e0e\u9519\u8bef\u7801\u5224\u65ad<\/li>\n
                    • 2.2.3 \u6838\u5fc3\u539f\u5219<\/li>\n<\/ul>\n<\/li>\n
                    • 2.3 \u975e\u963b\u585e\u5957\u63a5\u5b57\u5b9e\u73b0<\/li>\n
                    • \n
                        \n
                      • \u5957\u63a5\u5b57\u521b\u5efa\u65f6\u7684\u7edf\u4e00\u8bbe\u7f6e<\/li>\n<\/ul>\n<\/li>\n
                      • 2.4 \u65b0\u8fde\u63a5\u7684\u6258\u7ba1\u4e0e\u56de\u6307\u673a\u5236<\/li>\n
                      • \n
                          \n
                        • 2.4.1 AddConnection\u5b8c\u6574\u5b9e\u73b0<\/li>\n
                        • 2.4.2 \u8bbe\u8ba1\u539f\u7406<\/li>\n<\/ul>\n<\/li>\n
                        • 2.5 \u5de5\u7a0b\u7ec6\u8282：\u5934\u6587\u4ef6\u5305\u542b\u987a\u5e8f<\/li>\n
                        • 2.6 Recver（Listener.hpp）\u77e5\u8bc6\u56fe\u8c31<\/li>\n<\/ul>\n<\/li>\n
                        • 3 ~> \u4ee5Recver（IOHandler.hpp）\u4e3a\u4e3b\u7ebf\u2014\u2014\u5b8c\u5584\u6240\u6d89\u53ca\u7684\u7ec6\u8282<\/li>\n
                        • \n
                            \n
                          • 3.1 IOHandler\u7c7b\u5b8c\u6574\u5b9a\u4e49<\/li>\n
                          • 3.2 Recver\u975e\u963b\u585e\u5faa\u73af\u8bfb\u53d6<\/li>\n
                          • \n
                              \n
                            • 3.2.1 \u5b8c\u6574\u8bfb\u53d6\u903b\u8f91<\/li>\n<\/ul>\n<\/li>\n
                            • 3.3 \u534f\u8bae\u5c42\u4e0e\u4e1a\u52a1\u5c42\u7684\u89e3\u8026\u63a5\u5165<\/li>\n
                            • \n
                                \n
                              • 3.3.1 \u5206\u5c42\u67b6\u6784<\/li>\n
                              • 3.3.2 \u56de\u8c03\u900f\u4f20\u94fe\u8def<\/li>\n
                              • 3.3.3 \u534f\u8bae\u5c42\u6838\u5fc3\u63a5\u53e3<\/li>\n<\/ul>\n<\/li>\n
                              • 3.4 Sender\u5199\u4e8b\u4ef6\u7684\u6b63\u786e\u5904\u7406\u903b\u8f91<\/li>\n
                              • \n
                                  \n
                                • 3.4.1 \u6838\u5fc3\u539f\u5219<\/li>\n
                                • 3.4.2 \u5b8c\u6574\u53d1\u9001\u903b\u8f91<\/li>\n
                                • 3.4.3 EnableReadWrite\u4e8b\u4ef6\u4fee\u6539\u63a5\u53e3<\/li>\n
                                • 3.4.4 \u6700\u540e\u4e00\u4e2a\u5751：\u591a\u8def\u8f6c\u63a5select\u3001poll\u3001epoll\u5f53\u4e2d\u5982\u4f55\u6b63\u786e\u7406\u89e3\u53d1\u9001\u95ee\u9898！！！<\/li>\n<\/ul>\n<\/li>\n
                                • 3.5 Excepter\u7edf\u4e00\u5f02\u5e38\u5904\u7406<\/li>\n
                                • 3.6 Recver（IOHandler.hpp）\u77e5\u8bc6\u56fe\u8c31<\/li>\n<\/ul>\n<\/li>\n
                                • 4 ~> Version1\u7248\u672c\u4ee3\u7801<\/li>\n
                                • \n
                                    \n
                                  • Reactor-V1\u7248\u672c\u4ee3\u7801\u77e5\u8bc6\u56fe\u8c31<\/li>\n<\/ul>\n<\/li>\n
                                  • 5 ~> \u672c\u6587\u603b\u7ed3<\/li>\n
                                  • \n
                                      \n
                                    • \u6838\u5fc3\u8003\u70b9\u6df1\u5ea6\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n
                                    • \u7ed3\u5c3e<\/li>\n<\/ul>\n
                                      \n

                                      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                      \n

                                      \u524d\u8a00<\/h2>\n

                                      \u4e00\u3001 \u5f00\u5934\u90e8\u5206（\u6846\u67b6\u5f15\u5165）<\/h3>\n

                                      \u5bfc\u5165\u8bed<\/h4>\n

                                      \u672c\u6587\u56f4\u7ed5\u57fa\u4e8eepoll\u5b9e\u73b0\u7684\u5355Reactor\u4e8b\u4ef6\u9a71\u52a8\u7f51\u7edc\u6a21\u578b\u5c55\u5f00，\u4ece\u5e95\u5c42Poller\u7cfb\u7edf\u8c03\u7528\u5c01\u88c5\u3001\u76d1\u542c\u8fde\u63a5\u5904\u7406\u3001\u4e1a\u52a1IO\u8bfb\u5199，\u5230\u5206\u5c42\u89e3\u8026\u67b6\u6784\u843d\u5730，\u5b8c\u6574\u8986\u76d6Reactor\u6a21\u578b\u4ee3\u7801\u5b9e\u73b0\u7684\u5168\u6d41\u7a0b\u3002\u6838\u5fc3\u653b\u514bET\u6a21\u5f0f\u4e0b\u7684\u975e\u963b\u585eIO\u5904\u7406\u89c4\u8303\u3001\u4e8b\u4ef6\u6309\u9700\u6ce8\u518c\u673a\u5236\u3001\u8fde\u63a5\u751f\u547d\u5468\u671f\u7ba1\u7406\u3001\u53cc\u7f13\u51b2\u533a\u8bbe\u8ba1\u3001\u7cfb\u7edf\u8c03\u7528\u9519\u8bef\u8fb9\u754c\u5904\u7406\u7b49\u9ad8\u9891\u6613\u9519\u75db\u70b9，\u6240\u6709\u4ee3\u7801\u5747\u7ecf\u8fc7\u8fb9\u754c\u6761\u4ef6\u5ba1\u8ba1\u4e0e\u903b\u8f91\u6821\u9a8c，\u53ef\u76f4\u63a5\u4f5c\u4e3a\u9ad8\u5e76\u53d1\u7f51\u7edc\u7f16\u7a0b\u8003\u6838\u7684\u6838\u5fc3\u590d\u4e60\u4f9d\u636e\u3002<\/p>\n

                                      \u601d\u7ef4\u5bfc\u56fe<\/h4>\n

                                      Reactor \u4ee3\u7801\u7ec6\u8282\u6838\u5fc3\u77e5\u8bc6\u4f53\u7cfb
                                      \n|<\/span>— 1<\/span>. Poller\u5c42：epoll\u5185\u6838\u63a5\u53e3\u5c01\u88c5
                                      \n|<\/span> |<\/span>— Connection\u57fa\u7c7b\u62bd\u8c61
                                      \n|<\/span> |<\/span> |<\/span>— \u7eaf\u865a\u63a5\u53e3：Sockfd\/Recver\/Sender\/Excepter
                                      \n|<\/span> |<\/span> |<\/span>— \u516c\u5171\u6210\u5458：\u4e8b\u4ef6\u96c6\u5408_events\u3001\u5bf9\u7aef\u5730\u5740_clientaddr
                                      \n|<\/span> |<\/span> `<\/span>— Reactor\u56de\u6307\u6307\u9488_R
                                      \n|<\/span> |<\/span>— Poller\u6838\u5fc3\u63a5\u53e3
                                      \n|<\/span> |<\/span> |<\/span>— AddEvents：epoll_ctl_ADD\u6ce8\u518c\u4e8b\u4ef6
                                      \n|<\/span> |<\/span> `<\/span><\/span>— WaitEvents：epoll_wait\u7b49\u5f85\u5c31\u7eea\u4e8b\u4ef6
                                      \n|<\/span> `<\/span>— \u4e8b\u4ef6\u6d3e\u53d1\u5668
                                      \n|<\/span> |<\/span>— LoopOnce\u5355\u6b21\u4e8b\u4ef6\u5faa\u73af
                                      \n|<\/span> |<\/span>— \u4e8b\u4ef6\u5206\u53d1：\u8bfb\u4e8b\u4ef6\/\u5199\u4e8b\u4ef6\/\u5f02\u5e38\u4e8b\u4ef6
                                      \n|<\/span> `<\/span><\/span>— timeout\u53c2\u6570：\u963b\u585e\/\u975e\u963b\u585e\u6a21\u5f0f
                                      \n|<\/span>— 2<\/span>. Listener\u5c42：\u76d1\u542c\u8fde\u63a5\u5904\u7406
                                      \n|<\/span> |<\/span>— Listener\u7c7b\u5b9a\u4e49
                                      \n|<\/span> |<\/span> |<\/span>— \u7ee7\u627fConnection\u57fa\u7c7b
                                      \n|<\/span> |<\/span> |<\/span>— \u76d1\u542c\u5957\u63a5\u5b57_listensock
                                      \n|<\/span> |<\/span> `<\/span>— \u4e1a\u52a1\u56de\u8c03_on_message\u900f\u4f20
                                      \n|<\/span> |<\/span>— ET\u6a21\u5f0fAccept\u903b\u8f91
                                      \n|<\/span> |<\/span> |<\/span>— \u5faa\u73afaccept\u83b7\u53d6\u5168\u90e8\u5c31\u7eea\u8fde\u63a5
                                      \n|<\/span> |<\/span> |<\/span>— \u9519\u8bef\u7801\u5206\u652f：EAGAIN\/EWOULDBLOCK\/EINTR
                                      \n|<\/span> |<\/span> `<\/span><\/span>— \u5f3a\u5236\u975e\u963b\u585e\u8981\u6c42
                                      \n|<\/span> |<\/span>— \u65b0\u8fde\u63a5\u751f\u547d\u5468\u671f
                                      \n|<\/span> |<\/span> |<\/span>— \u8bbe\u7f6e\u975e\u963b\u585e\u5c5e\u6027
                                      \n|<\/span> |<\/span> |<\/span>— \u5c01\u88c5\u4e3aIOHandler\u5bf9\u8c61
                                      \n|<\/span> |<\/span> |<\/span>— \u6ce8\u518cEPOLLIN |<\/span> EPOLLET\u4e8b\u4ef6
                                      \n|<\/span> |<\/span> `<\/span>— \u6258\u7ba1\u81f3Reactor\u5e76\u5efa\u7acb\u56de\u6307
                                      \n|<\/span> `<\/span><\/span>— \u5de5\u7a0b\u7ec6\u8282：\u5934\u6587\u4ef6\u4f9d\u8d56\u4e0e\u7f16\u8bd1\u987a\u5e8f
                                      \n|<\/span>— 3<\/span>. IOHandler\u5c42：\u4e1a\u52a1IO\u5904\u7406
                                      \n|<\/span> |<\/span>— IOHandler\u7c7b\u5b9a\u4e49
                                      \n|<\/span> |<\/span> |<\/span>— \u5957\u63a5\u5b57\u63cf\u8ff0\u7b26_sockfd
                                      \n|<\/span> |<\/span> |<\/span>— \u53cc\u7f13\u51b2\u533a：_inbuffer\/_outbuffer
                                      \n|<\/span> |<\/span> `<\/span>— \u6d88\u606f\u5904\u7406\u56de\u8c03_on_message
                                      \n|<\/span> |<\/span>— Recver\u8bfb\u5904\u7406
                                      \n|<\/span> |<\/span> |<\/span>— \u975e\u963b\u585e\u5faa\u73af\u8bfb\u53d6
                                      \n|<\/span> |<\/span> |<\/span>— \u8fd4\u56de\u503c\u4e09\u5206\u652f：><\/span>0<\/span>\/==<\/span>0<\/span>\/<<\/span>0<\/span>
                                      \n|<\/span> |<\/span> |<\/span>— \u9519\u8bef\u7801\u8fb9\u754c\u5224\u65ad
                                      \n|<\/span> |<\/span> `<\/span><\/span>— \u534f\u8bae\u56de\u8c03\u4e0e\u62a5\u6587\u5904\u7406
                                      \n|<\/span> |<\/span>— Sender\u5199\u5904\u7406
                                      \n|<\/span> |<\/span> |<\/span>— \u975e\u963b\u585e\u5faa\u73af\u53d1\u9001
                                      \n|<\/span> |<\/span> |<\/span>— \u53d1\u9001\u7f13\u51b2\u533a\u79fb\u9664\u903b\u8f91
                                      \n|<\/span> |<\/span> |<\/span>— EPOLLOUT\u6309\u9700\u6ce8\u518c\u673a\u5236
                                      \n|<\/span> |<\/span> `<\/span>— \u53d1\u9001\u9519\u8bef\u5904\u7406
                                      \n|<\/span> `<\/span><\/span>— Excepter\u7edf\u4e00\u5f02\u5e38\u4e0e\u8d44\u6e90\u6e05\u7406
                                      \n|<\/span>— 4<\/span>. \u5206\u5c42\u89e3\u8026\u67b6\u6784
                                      \n|<\/span> |<\/span>— \u7f51\u7edc\u5c42：Reactor + IOHandler
                                      \n|<\/span> |<\/span>— \u534f\u8bae\u5c42：Protocol\u62a5\u6587\u5c01\u89e3\u5305
                                      \n|<\/span> |<\/span>— \u4e1a\u52a1\u5c42：Calculator\u4e1a\u52a1\u8ba1\u7b97
                                      \n|<\/span> `<\/span>— \u56de\u8c03\u673a\u5236：\u8de8\u5c42\u8c03\u7528\u89e3\u8026
                                      \n`<\/span><\/span>— \u6838\u5fc3\u6613\u9519\u8003\u70b9
                                      \n |<\/span>— ET\u6a21\u5f0f\u5fc5\u987b\u642d\u914d\u975e\u963b\u585eIO
                                      \n |<\/span>— EPOLLIN\u5e38\u8bbe\u3001EPOLLOUT\u6309\u9700\u6ce8\u518c
                                      \n |<\/span>— \u7cfb\u7edf\u8c03\u7528\u9519\u8bef\u7801\u4e09\u5206\u652f\u5224\u65ad
                                      \n |<\/span>— \u667a\u80fd\u6307\u9488\u5faa\u73af\u5f15\u7528\u95ee\u9898
                                      \n |<\/span>— \u8fde\u63a5\u751f\u547d\u5468\u671f\u7a7a\u6307\u9488\u9632\u62a4
                                      \n `– \u5f02\u5e38\u4e8b\u4ef6\u7684\u6b63\u786e\u5904\u7406\u903b\u8f91<\/p>\n

                                      \n

                                      1 ~> AddEvents(Poller.hpp)<\/h2>\n

                                      \u672c\u7ae0\u662fReactor\u6a21\u578b\u7684\u5e95\u5c42\u57fa\u7840，\u5b8c\u6210epoll\u7cfb\u7edf\u8c03\u7528\u7684\u5c01\u88c5\u3001\u8fde\u63a5\u57fa\u7c7b\u7684\u62bd\u8c61\u4ee5\u53ca\u4e8b\u4ef6\u6d3e\u53d1\u7684\u6838\u5fc3\u6846\u67b6，\u662f\u6574\u4e2a\u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b\u4e0e\u5185\u6838\u4ea4\u4e92\u7684\u6838\u5fc3\u5c42\u7ea7\u3002<\/p>\n

                                      1.1 Connection\u57fa\u7c7b\u62bd\u8c61<\/h3>\n

                                      Connection\u662f\u6240\u6709\u8fde\u63a5\u5bf9\u8c61\u7684\u62bd\u8c61\u57fa\u7c7b，\u5b9a\u4e49\u4e86\u4e8b\u4ef6\u5904\u7406\u7684\u7edf\u4e00\u63a5\u53e3，\u901a\u8fc7\u591a\u6001\u5b9e\u73b0\u4e8b\u4ef6\u7684\u7edf\u4e00\u6d3e\u53d1\u3002<\/p>\n

                                      1.1.1 \u57fa\u7c7b\u6838\u5fc3\u5b9a\u4e49<\/h4>\n

                                      class<\/span> Reactor<\/span>;<\/span> \/\/ \u524d\u7f6e\u58f0\u660e，\u89e3\u51b3\u5faa\u73af\u4f9d\u8d56<\/span><\/p>\n

                                      class<\/span> Connection<\/span>
                                      \n{<\/span>
                                      \npublic<\/span>:<\/span>
                                      \n Connection<\/span>(<\/span>)<\/span> :<\/span> _events<\/span>(<\/span>0<\/span>)<\/span>,<\/span> _R<\/span>(<\/span>nullptr<\/span>)<\/span> {<\/span>}<\/span><\/p>\n

                                      uint32_t<\/span> Events<\/span>(<\/span>)<\/span> {<\/span> return<\/span> _events;<\/span> }<\/span>
                                      \n void<\/span> SetEvents<\/span>(<\/span>uint32_t<\/span> events)<\/span> {<\/span> _events =<\/span> events;<\/span> }<\/span>
                                      \n void<\/span> SetAddress<\/span>(<\/span>const<\/span> InetAddr &<\/span>addr)<\/span> {<\/span> _clientaddr =<\/span> addr;<\/span> }<\/span><\/p>\n

                                      virtual<\/span> int<\/span> Sockfd<\/span>(<\/span>)<\/span> =<\/span> 0<\/span>;<\/span>
                                      \n virtual<\/span> void<\/span> Recver<\/span>(<\/span>)<\/span> =<\/span> 0<\/span>;<\/span>
                                      \n virtual<\/span> void<\/span> Sender<\/span>(<\/span>)<\/span> =<\/span> 0<\/span>;<\/span>
                                      \n virtual<\/span> void<\/span> Excepter<\/span>(<\/span>)<\/span> =<\/span> 0<\/span>;<\/span><\/p>\n

                                      virtual<\/span> ~<\/span>Connection<\/span>(<\/span>)<\/span> =<\/span> default<\/span>;<\/span><\/p>\n

                                      protected<\/span>:<\/span>
                                      \n InetAddr _clientaddr;<\/span> \/\/ \u5bf9\u7aef\u5957\u63a5\u5b57\u5730\u5740\u4fe1\u606f<\/span>
                                      \n uint32_t<\/span> _events;<\/span> \/\/ \u5f53\u524d\u8fde\u63a5\u5173\u5fc3\u7684epoll\u4e8b\u4ef6\u96c6\u5408<\/span>
                                      \n Reactor*<\/span> _R;<\/span> \/\/ \u6240\u5c5eReactor\u5b9e\u4f8b\u7684\u5f31\u5f15\u7528\u56de\u6307\u6307\u9488<\/span>
                                      \n}<\/span>;<\/span><\/p>\n

                                      [\u5ba1\u8ba1\u6279\u6ce8]<\/p>\n

                                    • \u539f\u7b14\u8bb0\u4e2d\u5c06_R\u6307\u9488\u5b9a\u4e49\u5728public\u8bbf\u95ee\u533a，\u8fdd\u53cd\u5c01\u88c5\u539f\u5219\u3002\u4fee\u6b63\u4e3aprotected\u8bbf\u95ee\u6743\u9650，\u4ec5\u5141\u8bb8\u6d3e\u751f\u7c7b\u8bbf\u95ee，\u5916\u90e8\u65e0\u6cd5\u76f4\u63a5\u4fee\u6539\u56de\u6307\u6307\u9488，\u4fdd\u8bc1\u5bf9\u8c61\u751f\u547d\u5468\u671f\u5b89\u5168\u3002<\/li>\n
                                    • \u539f\u7b14\u8bb0\u57fa\u7c7b\u6790\u6784\u51fd\u6570\u672a\u5b9a\u4e49\u4e3a\u865a\u51fd\u6570，\u82e5\u901a\u8fc7\u57fa\u7c7b\u6307\u9488\u91ca\u653e\u6d3e\u751f\u7c7b\u5bf9\u8c61\u4f1a\u53d1\u751f\u5185\u5b58\u6cc4\u6f0f\u3002\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u58f0\u660e\u4e3a\u865a\u6790\u6784\u51fd\u6570，\u4fdd\u8bc1\u6d3e\u751f\u7c7b\u6790\u6784\u51fd\u6570\u88ab\u6b63\u786e\u8c03\u7528\u3002<\/li>\n
                                    • \u56de\u6307\u6307\u9488\u4f7f\u7528\u88f8\u6307\u9488\u800c\u975e\u667a\u80fd\u6307\u9488，\u6838\u5fc3\u76ee\u7684\u662f\u907f\u514dshared_ptr\u5faa\u73af\u5f15\u7528：Reactor\u901a\u8fc7shared_ptr\u7ba1\u7406Connection，\u82e5Connection\u518d\u7528shared_ptr\u6307\u5411Reactor，\u4f1a\u5bfc\u81f4\u5f15\u7528\u8ba1\u6570\u6c38\u8fdc\u65e0\u6cd5\u5f52\u96f6\u3002\u88f8\u6307\u9488\u4ec5\u4f5c\u5f31\u5f15\u7528\u3001\u4e0d\u53c2\u4e0e\u6240\u6709\u6743\u7ba1\u7406，\u662f\u8be5\u573a\u666f\u4e0b\u7684\u6807\u51c6\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n

                                      1.1.2 IOHandler\u6d3e\u751f\u7c7b\u6846\u67b6<\/h4>\n

                                      IOHandler\u662f\u666e\u901a\u4e1a\u52a1\u8fde\u63a5\u7684\u5b9e\u73b0\u7c7b，\u7ee7\u627fConnection\u57fa\u7c7b，\u8d1f\u8d23\u5177\u4f53\u7684\u8bfb\u5199IO\u64cd\u4f5c，\u6bcf\u4e2a\u8fde\u63a5\u6301\u6709\u72ec\u7acb\u7684\u8bfb\u5199\u7f13\u51b2\u533a\u3002<\/p>\n

                                      class<\/span> IOHandler<\/span> :<\/span> public<\/span> Connection<\/span><\/span>
                                      \n{<\/span>
                                      \npublic<\/span>:<\/span>
                                      \n IOHandler<\/span>(<\/span>int<\/span> sockfd)<\/span> :<\/span> _sockfd<\/span>(<\/span>sockfd)<\/span> {<\/span>}<\/span><\/p>\n

                                      int<\/span> Sockfd<\/span>(<\/span>)<\/span> override<\/span> {<\/span> return<\/span> _sockfd;<\/span> }<\/span>
                                      \n void<\/span> Recver<\/span>(<\/span>)<\/span> override<\/span>;<\/span>
                                      \n void<\/span> Sender<\/span>(<\/span>)<\/span> override<\/span>;<\/span>
                                      \n void<\/span> Excepter<\/span>(<\/span>)<\/span> override<\/span>;<\/span><\/p>\n

                                      private<\/span>:<\/span>
                                      \n int<\/span> _sockfd;<\/span>
                                      \n std::<\/span>string _inbuffer;<\/span> \/\/ \u63a5\u6536\u7f13\u51b2\u533a<\/span>
                                      \n std::<\/span>string _outbuffer;<\/span> \/\/ \u53d1\u9001\u7f13\u51b2\u533a<\/span>
                                      \n}<\/span>;<\/span><\/p>\n

                                      1.2 Poller\u6838\u5fc3\u63a5\u53e3\u5b9e\u73b0<\/h3>\n

                                      Poller\u7c7b\u662f\u5bf9epoll\u7cfb\u7edf\u8c03\u7528\u7684\u76f4\u63a5\u5c01\u88c5，\u5c4f\u853d\u5185\u6838\u63a5\u53e3\u7ec6\u8282，\u5411\u4e0a\u63d0\u4f9b\u7edf\u4e00\u7684\u4e8b\u4ef6\u6ce8\u518c\u4e0e\u7b49\u5f85\u63a5\u53e3\u3002<\/p>\n

                                      1.2.1 AddEvents\u4e8b\u4ef6\u6ce8\u518c<\/h4>\n

                                      \u5c06\u6307\u5b9a\u5957\u63a5\u5b57\u7684\u6307\u5b9a\u4e8b\u4ef6\u6ce8\u518c\u5230epoll\u5185\u6838\u4e8b\u4ef6\u8868\u4e2d，\u5b8c\u6210\u7528\u6237\u6001\u4e8b\u4ef6\u5230\u5185\u6838\u6001\u7684\u900f\u4f20\u3002<\/p>\n

                                      void<\/span> AddEvents<\/span>(<\/span>int<\/span> sockfd,<\/span> uint32_t<\/span> events)<\/span>
                                      \n{<\/span>
                                      \n struct<\/span> epoll_event<\/span> ev;<\/span>
                                      \n ev.<\/span>events =<\/span> events;<\/span>
                                      \n ev.<\/span>data.<\/span>fd =<\/span> sockfd;<\/span><\/p>\n

                                      int<\/span> n =<\/span> epoll_ctl<\/span>(<\/span>_epfd,<\/span> EPOLL_CTL_ADD,<\/span> sockfd,<\/span> &<\/span>ev)<\/span>;<\/span>
                                      \n if<\/span> (<\/span>n <<\/span> 0<\/span>)<\/span>
                                      \n {<\/span>
                                      \n LOG<\/span>(<\/span>LogLevel::<\/span>FATAL)<\/span> <<<\/span> "epoll_ctl error"<\/span>;<\/span>
                                      \n }<\/span>
                                      \n}<\/span><\/p>\n

                                      [\u5ba1\u8ba1\u6279\u6ce8] \u6b64\u5904\u4f7f\u7528ev.data.fd\u643a\u5e26\u6587\u4ef6\u63cf\u8ff0\u7b26，\u4f9d\u8d56\u4e0a\u5c42Reactor\u7684_connections\u54c8\u5e0c\u8868\u5b8c\u6210fd\u5230Connection\u5bf9\u8c61\u7684\u6620\u5c04\u3002\u82e5\u8ffd\u6c42\u66f4\u9ad8\u6d3e\u53d1\u6548\u7387，\u53ef\u4f7f\u7528ev.data.ptr\u76f4\u63a5\u643a\u5e26Connection\u5bf9\u8c61\u6307\u9488，\u7701\u53bb\u54c8\u5e0c\u8868\u67e5\u627e\u5f00\u9500，\u4f46\u9700\u4e25\u683c\u4fdd\u8bc1\u6307\u9488\u751f\u547d\u5468\u671f\u5b89\u5168\u3002<\/p>\n

                                      1.2.2 WaitEvents\u4e8b\u4ef6\u7b49\u5f85<\/h4>\n

                                      \u963b\u585e\u7b49\u5f85epoll\u4e8b\u4ef6\u5c31\u7eea，\u8fd4\u56de\u5c31\u7eea\u4e8b\u4ef6\u7684\u6570\u91cf\u3002<\/p>\n

                                      int<\/span> WaitEvents<\/span>(<\/span>struct<\/span> epoll_event<\/span> revs[<\/span>]<\/span>,<\/span> int<\/span> num,<\/span> int<\/span> timeout)<\/span>
                                      \n{<\/span>
                                      \n int<\/span> n =<\/span> epoll_wait<\/span>(<\/span>_epfd,<\/span> revs,<\/span> num,<\/span> timeout)<\/span>;<\/span>
                                      \n if<\/span> (<\/span>n <<\/span> 0<\/span>)<\/span>
                                      \n {<\/span>
                                      \n LOG<\/span>(<\/span>LogLevel::<\/span>FATAL)<\/span> <<<\/span> "epoll_wait error!"<\/span>;<\/span>
                                      \n }<\/span>
                                      \n else<\/span> if<\/span> (<\/span>n ==<\/span> 0<\/span>)<\/span>
                                      \n {<\/span>
                                      \n LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "epoll_wait timeout!"<\/span>;<\/span>
                                      \n }<\/span>
                                      \n return<\/span> n;<\/span>
                                      \n}<\/span><\/p>\n

                                      [\u5ba1\u8ba1\u6279\u6ce8] \u539f\u7b14\u8bb0\u4e2d\u5c06\u8d85\u65f6\u8fd4\u56de\u7684\u65e5\u5fd7\u7ea7\u522b\u9519\u8bef\u5199\u4e3aFATAL，\u5c5e\u4e8e\u4e25\u91cd\u7ea7\u522b\u9519\u8bef\u3002epoll_wait\u8fd4\u56de0\u662f\u8d85\u65f6\u6b63\u5e38\u73b0\u8c61，\u5e76\u975e\u7cfb\u7edf\u9519\u8bef，\u5fc5\u987b\u4fee\u6b63\u4e3aINFO\u7ea7\u522b\u3002\u82e5\u4f7f\u7528FATAL\u7ea7\u522b，\u5728\u975e\u963b\u585e\u8f6e\u8be2\u6a21\u5f0f\u4e0b\u4f1a\u4ea7\u751f\u5927\u91cf\u81f4\u547d\u7ea7\u9519\u8bef\u65e5\u5fd7，\u4e25\u91cd\u5e72\u6270\u95ee\u9898\u6392\u67e5\u3002<\/p>\n

                                      1.3 \u4e8b\u4ef6\u6d3e\u53d1\u5668\u6838\u5fc3\u6846\u67b6<\/h3>\n

                                      Reactor\u7684Dispatcher\u662f\u4e8b\u4ef6\u5faa\u73af\u7684\u6838\u5fc3，\u8d1f\u8d23\u4eceepoll\u83b7\u53d6\u5c31\u7eea\u4e8b\u4ef6，\u5206\u53d1\u7ed9\u5bf9\u5e94\u8fde\u63a5\u7684\u5904\u7406\u51fd\u6570\u3002<\/p>\n

                                      1.3.1 \u57fa\u7840\u6d3e\u53d1\u903b\u8f91<\/h4>\n

                                      void<\/span> LoopOnce<\/span>(<\/span>int<\/span> timeout)<\/span>
                                      \n{<\/span>
                                      \n int<\/span> n =<\/span> _epoller-><\/span>WaitEvents<\/span>(<\/span>revs,<\/span> gnum,<\/span> timeout)<\/span>;<\/span>
                                      \n for<\/span> (<\/span>int<\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> n;<\/span> i++<\/span>)<\/span>
                                      \n {<\/span>
                                      \n int<\/span> sockfd =<\/span> revs[<\/span>i]<\/span>.<\/span>data.<\/span>fd;<\/span>
                                      \n uint32_t<\/span> revents =<\/span> revs[<\/span>i]<\/span>.<\/span>events;<\/span><\/p>\n

                                      \/\/ \u5f02\u5e38\u4e8b\u4ef6\u8f6c\u6362\u4e3a\u8bfb\u5199\u4e8b\u4ef6<\/span>
                                      \n if<\/span> (<\/span>(<\/span>revents &<\/span> EPOLLERR)<\/span> ||<\/span> (<\/span>revents &<\/span> EPOLLHUP)<\/span>)<\/span>
                                      \n {<\/span>
                                      \n revents |=<\/span> (<\/span>EPOLLIN |<\/span> EPOLLOUT)<\/span>;<\/span>
                                      \n }<\/span><\/p>\n

                                      \/\/ \u5206\u53d1\u7ed9\u8bfb\u4e8b\u4ef6\u5904\u7406<\/span>
                                      \n if<\/span> (<\/span>(<\/span>revents &<\/span> EPOLLIN)<\/span> &&<\/span> IsConnectionExists<\/span>(<\/span>sockfd)<\/span>)<\/span>
                                      \n {<\/span>
                                      \n _connections[<\/span>sockfd]<\/span>-><\/span>Recver<\/span>(<\/span>)<\/span>;<\/span>
                                      \n }<\/span>
                                      \n \/\/ \u5206\u53d1\u7ed9\u5199\u4e8b\u4ef6\u5904\u7406<\/span>
                                      \n if<\/span> (<\/span>(<\/span>revents &<\/span> EPOLLOUT)<\/span> &&<\/span> IsConnectionExists<\/span>(<\/span>sockfd)<\/span>)<\/span>
                                      \n {<\/span>
                                      \n _connections[<\/span>sockfd]<\/span>-><\/span>Sender<\/span>(<\/span>)<\/span>;<\/span>
                                      \n }<\/span>
                                      \n }<\/span>
                                      \n}<\/span><\/p>\n

                                      void<\/span> Dispatcher<\/span>(<\/span>)<\/span>
                                      \n{<\/span>
                                      \n int<\/span> timeout =<\/span> –<\/span>1<\/span>;<\/span>
                                      \n while<\/span> (<\/span>true<\/span>)<\/span>
                                      \n {<\/span>
                                      \n LoopOnce<\/span>(<\/span>timeout)<\/span>;<\/span>
                                      \n }<\/span>
                                      \n}<\/span><\/p>\n

                                      [\u5ba1\u8ba1\u6279\u6ce8]<\/p>\n

                                    • \u539f\u903b\u8f91\u4e2d\u5c06EPOLLERR\u548cEPOLLHUP\u76f4\u63a5\u8f6c\u6362\u4e3a\u8bfb\u5199\u4e8b\u4ef6\u7684\u5904\u7406\u65b9\u5f0f\u5b58\u5728\u7f3a\u9677\u3002EPOLLERR\u8868\u793a\u5957\u63a5\u5b57\u53d1\u751f\u9519\u8bef（\u5982\u5bf9\u7aef\u91cd\u7f6e\u8fde\u63a5），EPOLLHUP\u8868\u793a\u5bf9\u7aef\u6302\u65ad，\u6b63\u786e\u505a\u6cd5\u662f\u4f18\u5148\u89e6\u53d1Excepter()\u5f02\u5e38\u5904\u7406，\u800c\u975e\u76f4\u63a5\u8d70\u8bfb\u5199\u903b\u8f91，\u5426\u5219\u53ef\u80fd\u5f15\u53d1\u65e0\u6548\u8bfb\u5199\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002<\/li>\n
                                    • IsConnectionExists\u5224\u65ad\u662f\u5fc5\u987b\u7684\u7a7a\u6307\u9488\u9632\u62a4：\u5728\u5904\u7406\u4e8b\u4ef6\u7684\u8fc7\u7a0b\u4e2d，\u8fde\u63a5\u53ef\u80fd\u5df2\u88ab\u524d\u5e8f\u903b\u8f91\u91ca\u653e（\u5982\u8bfb\u5904\u7406\u4e2d\u68c0\u6d4b\u5230\u5bf9\u7aef\u5173\u95ed\u5e76\u79fb\u9664\u8fde\u63a5），\u82e5\u4e0d\u5224\u65ad\u76f4\u63a5\u8c03\u7528\u4f1a\u89e6\u53d1\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u3002<\/li>\n

                                      1.3.2 timeout\u53c2\u6570\u7684\u4e24\u79cd\u6a21\u5f0f<\/h4>\n
                                        \n
                                      • timeout = 0：\u975e\u963b\u585e\u8f6e\u8be2\u6a21\u5f0f，epoll_wait\u7acb\u5373\u8fd4\u56de，\u65e0\u4e8b\u4ef6\u65f6\u8fd4\u56de0\u3002\u8be5\u6a21\u5f0f\u4f1a\u5360\u7528100%CPU，\u4ec5\u7528\u4e8e\u7279\u6b8a\u8c03\u8bd5\u573a\u666f，\u751f\u4ea7\u73af\u5883\u7981\u6b62\u4f7f\u7528\u3002<\/li>\n
                                      • timeout = -1：\u6c38\u4e45\u963b\u585e\u6a21\u5f0f，\u65e0\u4e8b\u4ef6\u65f6\u7ebf\u7a0b\u6302\u8d77，\u6709\u4e8b\u4ef6\u5c31\u7eea\u624d\u88ab\u5524\u9192\u3002\u8be5\u6a21\u5f0fCPU\u5229\u7528\u7387\u6700\u9ad8，\u662fReactor\u6a21\u578b\u7684\u6807\u51c6\u914d\u7f6e\u3002<\/li>\n<\/ul>\n

                                        1.4 AddEvents\u77e5\u8bc6\u56fe\u8c31<\/h3>\n

                                        \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                        \n

                                        2 ~> \u4ee5Recver（Listener.hpp）\u4e3a\u4e3b\u7ebf\u2014\u2014\u5b8c\u5584\u6240\u6d89\u53ca\u7684\u7ec6\u8282<\/h2>\n

                                        \u672c\u7ae0\u805a\u7126\u76d1\u542c\u8fde\u63a5\u7684\u4e8b\u4ef6\u5904\u7406，\u6838\u5fc3\u89e3\u51b3ET\u6a21\u5f0f\u4e0b\u5982\u4f55\u6b63\u786e\u63a5\u6536\u6240\u6709\u5c31\u7eea\u8fde\u63a5\u3001\u5982\u4f55\u7ba1\u7406\u65b0\u8fde\u63a5\u751f\u547d\u5468\u671f\u3001\u5982\u4f55\u5b8c\u6210\u65b0\u8fde\u63a5\u4e0eReactor\u7684\u6258\u7ba1\u7ed1\u5b9a\u7b49\u6838\u5fc3\u95ee\u9898\u3002<\/p>\n

                                        2.1 Listener\u7c7b\u57fa\u7840\u5b9a\u4e49<\/h3>\n

                                        Listener\u662f\u76d1\u542c\u5957\u63a5\u5b57\u7684\u5c01\u88c5，\u7ee7\u627fConnection\u57fa\u7c7b，\u8d1f\u8d23\u5904\u7406\u65b0\u8fde\u63a5\u63a5\u5165\u4e8b\u4ef6，\u672c\u8eab\u53ea\u5173\u5fc3\u8bfb\u4e8b\u4ef6（\u65b0\u8fde\u63a5\u5c31\u7eea\u7b49\u4ef7\u4e8e\u8bfb\u4e8b\u4ef6\u5c31\u7eea）\u3002<\/p>\n

                                        2.1.1 \u7c7b\u5b9a\u4e49<\/h4>\n

                                        class<\/span> Listener<\/span> :<\/span> public<\/span> Connection<\/span><\/span>
                                        \n{<\/span>
                                        \npublic<\/span>:<\/span>
                                        \n Listener<\/span>(<\/span>uint16_t<\/span> port,<\/span> OnMessage_t on_message)<\/span>
                                        \n :<\/span> _port<\/span>(<\/span>port)<\/span>,<\/span> _on_message<\/span>(<\/span>on_message)<\/span>,<\/span> _listensock<\/span>(<\/span>std::<\/span>make_unique<\/span><<\/span>TcpSocket><\/span><\/span><\/span>(<\/span>)<\/span>)<\/span>
                                        \n {<\/span>
                                        \n _listensock-><\/span>BuildSocketMethod_port<\/span>(<\/span>port)<\/span>;<\/span>
                                        \n LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "Listen sockfd create success: "<\/span> <<<\/span> _listensock-><\/span>Socketfd<\/span>(<\/span>)<\/span>;<\/span>
                                        \n }<\/span><\/p>\n

                                        int<\/span> Sockfd<\/span>(<\/span>)<\/span> override<\/span> {<\/span> return<\/span> _listensock-><\/span>Socketfd<\/span>(<\/span>)<\/span>;<\/span> }<\/span>
                                        \n void<\/span> Recver<\/span>(<\/span>)<\/span> override<\/span>;<\/span>
                                        \n void<\/span> Sender<\/span>(<\/span>)<\/span> override<\/span> {<\/span>}<\/span> \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u4e0d\u5173\u5fc3\u5199\u4e8b\u4ef6<\/span>
                                        \n void<\/span> Excepter<\/span>(<\/span>)<\/span> override<\/span> {<\/span>}<\/span> \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u5f02\u5e38\u6682\u4e0d\u5904\u7406<\/span><\/p>\n

                                        private<\/span>:<\/span>
                                        \n uint16_t<\/span> _port;<\/span>
                                        \n OnMessage_t _on_message;<\/span>
                                        \n std::<\/span>unique_ptr<<\/span>Socket><\/span> _listensock;<\/span>
                                        \n}<\/span>;<\/span><\/p>\n

                                        [\u5ba1\u8ba1\u6279\u6ce8] \u539f\u7b14\u8bb0\u4e2d\u672a\u5b9e\u73b0Listener\u7684Sockfd()\u7eaf\u865a\u51fd\u6570，\u4f1a\u5bfc\u81f4\u7c7b\u65e0\u6cd5\u5b9e\u4f8b\u5316\u3002\u76d1\u542c\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u7531_listensock\u7ba1\u7406，\u5fc5\u987b\u91cd\u5199\u8be5\u63a5\u53e3\u8fd4\u56de\u5bf9\u5e94fd，\u6ee1\u8db3\u57fa\u7c7b\u7684\u591a\u6001\u7ea6\u5b9a\u3002<\/p>\n

                                        2.2 ET\u6a21\u5f0f\u4e0b\u7684Accept\u5904\u7406\u903b\u8f91<\/h3>\n

                                        ET（\u8fb9\u7f18\u89e6\u53d1）\u6a21\u5f0f\u4e0b，\u8fde\u63a5\u5c31\u7eea\u4e8b\u4ef6\u53ea\u4f1a\u901a\u77e5\u4e00\u6b21，\u56e0\u6b64\u5fc5\u987b\u4e00\u6b21\u6027\u5faa\u73af\u8bfb\u53d6\u6240\u6709\u5df2\u5c31\u7eea\u7684\u8fde\u63a5，\u5426\u5219\u5269\u4f59\u8fde\u63a5\u4e0d\u4f1a\u518d\u89e6\u53d1\u4e8b\u4ef6，\u9020\u6210\u8fde\u63a5\u9965\u997f\u3002<\/p>\n

                                        2.2.1 Accepter\u63a5\u53e3\u6539\u9020<\/h4>\n

                                        Accept\u63a5\u53e3\u5fc5\u987b\u652f\u6301\u975e\u963b\u585e\u9519\u8bef\u7801\u8fd4\u56de，\u7528\u4e8e\u533a\u5206\u201c\u771f\u9519\u8bef\u201d\u548c\u201c\u65e0\u66f4\u591a\u8fde\u63a5\u201d\u3002<\/p>\n

                                        int<\/span> Accepter<\/span>(<\/span>InetAddr *<\/span>clientaddr,<\/span> int<\/span> *<\/span>errcode)<\/span> override<\/span>
                                        \n{<\/span>
                                        \n struct<\/span> sockaddr_in<\/span> peer;<\/span>
                                        \n socklen_t len =<\/span> sizeof<\/span>(<\/span>peer)<\/span>;<\/span>
                                        \n int<\/span> sockfd =<\/span> accept<\/span>(<\/span>_sockfd,<\/span> CONV<\/span>(<\/span>&<\/span>peer)<\/span>,<\/span> &<\/span>len)<\/span>;<\/span><\/p>\n

                                        if<\/span> (<\/span>sockfd <<\/span> 0<\/span>)<\/span>
                                        \n {<\/span>
                                        \n *<\/span>errcode =<\/span> errno;<\/span>
                                        \n return<\/span> –<\/span>1<\/span>;<\/span>
                                        \n }<\/span><\/p>\n

                                        *<\/span>clientaddr =<\/span> peer;<\/span>
                                        \n *<\/span>errcode =<\/span> 0<\/span>;<\/span>
                                        \n return<\/span> sockfd;<\/span>
                                        \n}<\/span><\/p>\n

                                        [\u5ba1\u8ba1\u6279\u6ce8] \u539f\u7b14\u8bb0\u4e2d\u6ce8\u91ca\u6389\u4e86*errcode = errno;\u8d4b\u503c\u8bed\u53e5，\u4f1a\u5bfc\u81f4\u5916\u5c42\u9519\u8bef\u5224\u65ad\u5b8c\u5168\u5931\u6548，\u5c5e\u4e8e\u4e25\u91cd\u903b\u8f91\u6f0f\u6d1e\u3002\u975e\u963b\u585eaccept\u8fd4\u56de-1\u65f6，\u5fc5\u987b\u5c06errno\u4fdd\u5b58\u5230\u8f93\u51fa\u53c2\u6570\u4e2d，\u5916\u5c42\u624d\u80fd\u533a\u5206\u9519\u8bef\u7c7b\u578b\u3002<\/p>\n

                                        2.2.2 \u5faa\u73afAccept\u4e0e\u9519\u8bef\u7801\u5224\u65ad<\/h4>\n

                                        void<\/span> Recver<\/span>(<\/span>)<\/span> override<\/span>
                                        \n{<\/span>
                                        \n while<\/span> (<\/span>true<\/span>)<\/span>
                                        \n {<\/span>
                                        \n int<\/span> errcode =<\/span> 0<\/span>;<\/span>
                                        \n InetAddr clientaddr;<\/span>
                                        \n int<\/span> sockfd =<\/span> _listensock-><\/span>Accepter<\/span>(<\/span>&<\/span>clientaddr,<\/span> &<\/span>errcode)<\/span>;<\/span><\/p>\n

                                        if<\/span> (<\/span>sockfd >=<\/span> 0<\/span>)<\/span>
                                        \n {<\/span>
                                        \n \/\/ \u6210\u529f\u83b7\u53d6\u65b0\u8fde\u63a5，\u5b8c\u6210\u5c01\u88c5\u4e0e\u6258\u7ba1<\/span>
                                        \n LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "get a new sockfd success: "<\/span> <<<\/span> sockfd;<\/span><\/p>\n

                                        SetNonBlock<\/span>(<\/span>sockfd)<\/span>;<\/span>
                                        \n std::<\/span>shared_ptr<<\/span>Connection><\/span> conn =<\/span> std::<\/span>make_shared<\/span><<\/span>IOHandler><\/span><\/span><\/span>(<\/span>sockfd,<\/span> _on_message)<\/span>;<\/span>
                                        \n conn-><\/span>SetEvents<\/span>(<\/span>EPOLLIN |<\/span> EPOLLET)<\/span>;<\/span>
                                        \n conn-><\/span>SetAddress<\/span>(<\/span>clientaddr)<\/span>;<\/span>
                                        \n _R-><\/span>AddConnection<\/span>(<\/span>conn)<\/span>;<\/span>
                                        \n }<\/span>
                                        \n else<\/span>
                                        \n {<\/span>
                                        \n if<\/span> (<\/span>errcode ==<\/span> EAGAIN ||<\/span> errcode ==<\/span> EWOULDBLOCK)<\/span>
                                        \n {<\/span>
                                        \n \/\/ \u6240\u6709\u8fde\u63a5\u5df2\u5904\u7406\u5b8c\u6bd5，\u9000\u51fa\u5faa\u73af<\/span>
                                        \n LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "accepter Finish!"<\/span>;<\/span>
                                        \n break<\/span>;<\/span>
                                        \n }<\/span>
                                        \n if<\/span> (<\/span>errcode ==<\/span> EINTR)<\/span>
                                        \n {<\/span>
                                        \n \/\/ \u88ab\u4fe1\u53f7\u4e2d\u65ad，\u91cd\u8bd5accept<\/span>
                                        \n LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "accepter interrupt!"<\/span>;<\/span>
                                        \n continue<\/span>;<\/span>
                                        \n }<\/span>
                                        \n \/\/ \u771f\u6b63\u7684\u7cfb\u7edf\u9519\u8bef<\/span>
                                        \n LOG<\/span>(<\/span>LogLevel::<\/span>ERROR)<\/span> <<<\/span> "accepter error, errno: "<\/span> <<<\/span> errcode;<\/span>
                                        \n break<\/span>;<\/span>
                                        \n }<\/span>
                                        \n }<\/span>
                                        \n}<\/span><\/p>\n

                                        2.2.3 \u6838\u5fc3\u539f\u5219<\/h4>\n

                                        ET\u6a21\u5f0f\u4e0b，\u5305\u62ec\u76d1\u542c\u5957\u63a5\u5b57\u5728\u5185\u7684\u6240\u6709\u6587\u4ef6\u63cf\u8ff0\u7b26，\u5fc5\u987b\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u6a21\u5f0f\u3002\u539f\u56e0\u5728\u4e8e：\u5faa\u73af\u8bfb\u53d6\u7684\u6700\u540e\u4e00\u6b21\u8c03\u7528\u5fc5\u7136\u4f1a\u56e0\u4e3a\u65e0\u6570\u636e\u800c\u8fd4\u56de，\u82e5\u4e3a\u963b\u585e\u6a21\u5f0f，\u6700\u540e\u4e00\u6b21\u8c03\u7528\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u6c38\u4e45\u6302\u8d77，\u6574\u4e2aReactor\u505c\u6ede\u3002<\/p>\n

                                        2.3 \u975e\u963b\u585e\u5957\u63a5\u5b57\u5b9e\u73b0<\/h3>\n

                                        \u901a\u8fc7fcntl\u7cfb\u7edf\u8c03\u7528\u4fee\u6539\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u72b6\u6001\u6807\u5fd7，\u8bbe\u7f6e\u975e\u963b\u585e\u6a21\u5f0f\u3002<\/p>\n

                                        void<\/span> SetNonBlock<\/span>(<\/span>int<\/span> fd)<\/span>
                                        \n{<\/span>
                                        \n int<\/span> flags =<\/span> fcntl<\/span>(<\/span>fd,<\/span> F_GETFL)<\/span>;<\/span>
                                        \n if<\/span> (<\/span>flags <<\/span> 0<\/span>)<\/span>
                                        \n {<\/span>
                                        \n LOG<\/span>(<\/span>LogLevel::<\/span>ERROR)<\/span> <<<\/span> "fcntl error, set "<\/span> <<<\/span> fd <<<\/span> " non block failed"<\/span>;<\/span>
                                        \n return<\/span>;<\/span>
                                        \n }<\/span>
                                        \n fcntl<\/span>(<\/span>fd,<\/span> F_SETFL,<\/span> flags |<\/span> O_NONBLOCK)<\/span>;<\/span>
                                        \n}<\/span><\/p>\n

                                        [\u5ba1\u8ba1\u6279\u6ce8] \u5fc5\u987b\u91c7\u7528\u201c\u5148\u83b7\u53d6\u539f\u6709\u6807\u5fd7，\u518d\u6216\u4e0a\u65b0\u6807\u5fd7\u201d\u7684\u5199\u6cd5，\u4e25\u7981\u76f4\u63a5fcntl(fd, F_SETFL, O_NONBLOCK)，\u5426\u5219\u4f1a\u8986\u76d6\u6587\u4ef6\u63cf\u8ff0\u7b26\u539f\u6709\u7684\u5176\u4ed6\u72b6\u6001\u4f4d，\u5f15\u53d1\u4e0d\u53ef\u9884\u77e5\u7684\u9519\u8bef\u3002<\/p>\n

                                        \u5957\u63a5\u5b57\u521b\u5efa\u65f6\u7684\u7edf\u4e00\u8bbe\u7f6e<\/h4>\n

                                        \u5728TcpSocket\u521b\u5efa\u5957\u63a5\u5b57\u65f6\u5c31\u7edf\u4e00\u8bbe\u7f6e\u975e\u963b\u585e，\u540c\u65f6\u914d\u7f6e\u5730\u5740\u7aef\u53e3\u590d\u7528\u9009\u9879：<\/p>\n

                                        void<\/span> CreateSocketOrDie<\/span>(<\/span>)<\/span> override<\/span>
                                        \n{<\/span>
                                        \n _sockfd =<\/span> socket<\/span>(<\/span>AF_INET,<\/span> SOCK_STREAM,<\/span> 0<\/span>)<\/span>;<\/span>
                                        \n if<\/span> (<\/span>_sockfd <<\/span> 0<\/span>)<\/span>
                                        \n {<\/span>
                                        \n LOG<\/span>(<\/span>LogLevel::<\/span>FATAL)<\/span> <<<\/span> "create socket error"<\/span>;<\/span>
                                        \n exit<\/span>(<\/span>SOCKET_ERR)<\/span>;<\/span>
                                        \n }<\/span><\/p>\n

                                        SetNonBlock<\/span>(<\/span>_sockfd)<\/span>;<\/span> \/\/ \u521b\u5efa\u5373\u8bbe\u7f6e\u975e\u963b\u585e<\/span><\/p>\n

                                        int<\/span> opt =<\/span> 1<\/span>;<\/span>
                                        \n setsockopt<\/span>(<\/span>_sockfd,<\/span> SOL_SOCKET,<\/span> SO_REUSEADDR |<\/span> SO_REUSEPORT,<\/span> &<\/span>opt,<\/span> sizeof<\/span>(<\/span>opt)<\/span>)<\/span>;<\/span><\/p>\n

                                        LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "create socket success"<\/span>;<\/span>
                                        \n}<\/span><\/p>\n

                                        \u9009\u9879\u8bf4\u660e：<\/p>\n

                                          \n
                                        • SO_REUSEADDR：\u5141\u8bb8\u7ed1\u5b9a\u5904\u4e8eTIME_WAIT\u72b6\u6001\u7684\u7aef\u53e3，\u670d\u52a1\u5668\u91cd\u542f\u65f6\u53ef\u7acb\u5373\u7ed1\u5b9a\u7aef\u53e3\u3002<\/li>\n
                                        • SO_REUSEPORT：\u5141\u8bb8\u591a\u4e2a\u5957\u63a5\u5b57\u7ed1\u5b9a\u540c\u4e00\u4e2a\u7aef\u53e3，\u5185\u6838\u81ea\u52a8\u8d1f\u8f7d\u5747\u8861，\u7528\u4e8e\u591aReactor\u573a\u666f\u3002<\/li>\n<\/ul>\n

                                          2.4 \u65b0\u8fde\u63a5\u7684\u6258\u7ba1\u4e0e\u56de\u6307\u673a\u5236<\/h3>\n

                                          \u65b0\u8fde\u63a5\u521b\u5efa\u540e，\u5fc5\u987b\u5b8c\u6210\u4e09\u4e2a\u6838\u5fc3\u52a8\u4f5c：\u8bbe\u7f6e\u4e8b\u4ef6\u3001\u52a0\u5165Reactor\u8fde\u63a5\u7ba1\u7406\u3001\u56de\u6307\u6240\u5c5eReactor\u3002<\/p>\n

                                          2.4.1 AddConnection\u5b8c\u6574\u5b9e\u73b0<\/h4>\n

                                          void<\/span> AddConnection<\/span>(<\/span>std::<\/span>shared_ptr<<\/span>Connection><\/span> &<\/span>conn)<\/span>
                                          \n{<\/span>
                                          \n int<\/span> sockfd =<\/span> conn-><\/span>Sockfd<\/span>(<\/span>)<\/span>;<\/span>
                                          \n uint32_t<\/span> events =<\/span> conn-><\/span>Events<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

                                          \/\/ 1. \u4e8b\u4ef6\u5199\u900f\u5230\u5185\u6838epoll<\/span>
                                          \n _epoller-><\/span>AddEvents<\/span>(<\/span>sockfd,<\/span> events)<\/span>;<\/span>
                                          \n \/\/ 2. \u8fde\u63a5\u5bf9\u8c61\u6258\u7ba1\u5230\u8fde\u63a5\u8868<\/span>
                                          \n _connections[<\/span>sockfd]<\/span> =<\/span> conn;<\/span>
                                          \n \/\/ 3. \u8fde\u63a5\u56de\u6307\u5f53\u524dReactor\u5b9e\u4f8b<\/span>
                                          \n conn-><\/span>_R =<\/span> this<\/span>;<\/span><\/p>\n

                                          LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "insert "<\/span> <<<\/span> conn-><\/span>Sockfd<\/span>(<\/span>)<\/span> <<<\/span> " into reactor!"<\/span>;<\/span>
                                          \n}<\/span><\/p>\n

                                          2.4.2 \u8bbe\u8ba1\u539f\u7406<\/h4>\n

                                          \u8fde\u63a5\u4e0eReactor\u7684\u53cc\u5411\u5f15\u7528\u8bbe\u8ba1，\u4e0e\u5185\u6838\u4e2dstruct file\u548cstruct socket\u7684\u4e92\u6307\u8bbe\u8ba1\u601d\u60f3\u4e00\u81f4：<\/p>\n

                                            \n
                                          • Reactor\u901a\u8fc7_connections\u54c8\u5e0c\u8868\u7ba1\u7406\u6240\u6709\u8fde\u63a5，\u53ef\u4ee5\u6839\u636efd\u5feb\u901f\u627e\u5230\u5bf9\u5e94\u8fde\u63a5\u5bf9\u8c61\u3002<\/li>\n
                                          • \u8fde\u63a5\u901a\u8fc7_R\u6307\u9488\u627e\u5230\u6240\u5c5eReactor，\u53ef\u4ee5\u8c03\u7528Reactor\u7684\u80fd\u529b（\u5982\u4fee\u6539\u4e8b\u4ef6\u3001\u79fb\u9664\u8fde\u63a5\u7b49）\u3002<\/li>\n<\/ul>\n

                                            2.5 \u5de5\u7a0b\u7ec6\u8282：\u5934\u6587\u4ef6\u5305\u542b\u987a\u5e8f<\/h3>\n

                                            \u7531\u4e8eConnection\u4e2d\u4ec5\u505a\u4e86Reactor\u7684\u524d\u7f6e\u58f0\u660e，\u5728Listener\u7684\u5b9e\u73b0\u4e2d\u8c03\u7528_R->AddConnection\u65f6，\u7f16\u8bd1\u5668\u5fc5\u987b\u5df2\u7ecf\u770b\u5230Reactor\u7684\u5b8c\u6574\u5b9a\u4e49，\u5426\u5219\u4f1a\u62a5\u201c\u975e\u6cd5\u4f7f\u7528\u4e0d\u5b8c\u6574\u7c7b\u578b\u201d\u9519\u8bef\u3002<\/p>\n

                                            \u6b63\u786e\u7684\u5305\u542b\u987a\u5e8f\u4e3a：<\/p>\n

                                            #<\/span>include<\/span> "Connection.hpp"<\/span><\/span>
                                            \n#<\/span>include<\/span> "Reactor.hpp"<\/span> \/\/ \u5fc5\u987b\u5728Listener\u4e4b\u524d\u5305\u542bReactor\u5b8c\u6574\u5b9a\u4e49<\/span><\/span>
                                            \n#<\/span>include<\/span> "Listener.hpp"<\/span><\/span><\/p>\n

                                            2.6 Recver（Listener.hpp）\u77e5\u8bc6\u56fe\u8c31<\/h3>\n

                                            \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                            \n

                                            3 ~> \u4ee5Recver（IOHandler.hpp）\u4e3a\u4e3b\u7ebf\u2014\u2014\u5b8c\u5584\u6240\u6d89\u53ca\u7684\u7ec6\u8282<\/h2>\n

                                            \u672c\u7ae0\u805a\u7126\u666e\u901a\u4e1a\u52a1\u8fde\u63a5\u7684\u8bfb\u5199\u5904\u7406，\u662fReactor\u6a21\u578b\u7684\u6838\u5fc3\u4e1a\u52a1\u627f\u8f7d\u5c42，\u6db5\u76d6\u975e\u963b\u585e\u8bfb\u53d6\u3001\u534f\u8bae\u89e3\u6790\u3001\u6309\u9700\u53d1\u9001\u3001\u5f02\u5e38\u5904\u7406\u7b49\u5b8c\u6574IO\u751f\u547d\u5468\u671f\u3002<\/p>\n

                                            3.1 IOHandler\u7c7b\u5b8c\u6574\u5b9a\u4e49<\/h3>\n

                                            IOHandler\u662f\u4e1a\u52a1\u8fde\u63a5\u7684\u6838\u5fc3\u5b9e\u73b0，\u8d1f\u8d23\u6570\u636e\u7684\u8bfb\u53d6\u3001\u53d1\u9001\u3001\u7f13\u51b2\u533a\u7ba1\u7406，\u5e76\u901a\u8fc7\u56de\u8c03\u673a\u5236\u5bf9\u63a5\u4e0a\u5c42\u534f\u8bae\u4e0e\u4e1a\u52a1\u3002<\/p>\n

                                            static<\/span> const<\/span> int<\/span> gbuffersize =<\/span> 1024<\/span>;<\/span>
                                            \nusing<\/span> OnMessage_t =<\/span> std::<\/span>function<<\/span>std::<\/span>string<\/span>(<\/span>std::<\/span>string &<\/span>,<\/span> int<\/span> *<\/span>)<\/span>><\/span>;<\/span><\/p>\n

                                            class<\/span> IOHandler<\/span> :<\/span> public<\/span> Connection<\/span><\/span>
                                            \n{<\/span>
                                            \npublic<\/span>:<\/span>
                                            \n IOHandler<\/span>(<\/span>int<\/span> sockfd,<\/span> OnMessage_t on_message)<\/span>
                                            \n :<\/span> _sockfd<\/span>(<\/span>sockfd)<\/span>,<\/span> _on_message<\/span>(<\/span>on_message)<\/span> {<\/span>}<\/span><\/p>\n

                                            int<\/span> Sockfd<\/span>(<\/span>)<\/span> override<\/span> {<\/span> return<\/span> _sockfd;<\/span> }<\/span>
                                            \n void<\/span> Recver<\/span>(<\/span>)<\/span> override<\/span>;<\/span>
                                            \n void<\/span> Sender<\/span>(<\/span>)<\/span> override<\/span>;<\/span>
                                            \n void<\/span> Excepter<\/span>(<\/span>)<\/span> override<\/span>;<\/span><\/p>\n

                                            private<\/span>:<\/span>
                                            \n int<\/span> _sockfd;<\/span>
                                            \n OnMessage_t _on_message;<\/span> \/\/ \u6d88\u606f\u5904\u7406\u56de\u8c03<\/span>
                                            \n std::<\/span>string _inbuffer;<\/span> \/\/ \u63a5\u6536\u7f13\u51b2\u533a（\u5b57\u8282\u961f\u5217）<\/span>
                                            \n std::<\/span>string _outbuffer;<\/span> \/\/ \u53d1\u9001\u7f13\u51b2\u533a（\u5b57\u8282\u961f\u5217）<\/span>
                                            \n}<\/span>;<\/span><\/p>\n

                                            3.2 Recver\u975e\u963b\u585e\u5faa\u73af\u8bfb\u53d6<\/h3>\n

                                            ET\u6a21\u5f0f\u4e0b\u8bfb\u4e8b\u4ef6\u5c31\u7eea\u540e，\u5fc5\u987b\u5faa\u73af\u8bfb\u53d6\u76f4\u5230\u5e95\u5c42\u65e0\u6570\u636e，\u4fdd\u8bc1\u672c\u6b21\u4e8b\u4ef6\u89e6\u53d1\u7684\u6240\u6709\u6570\u636e\u90fd\u88ab\u8bfb\u53d6\u5b8c\u6bd5\u3002<\/p>\n

                                            3.2.1 \u5b8c\u6574\u8bfb\u53d6\u903b\u8f91<\/h4>\n

                                            void<\/span> Recver<\/span>(<\/span>)<\/span> override<\/span>
                                            \n{<\/span>
                                            \n LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "IOHandler event ready, sockfd is: "<\/span> <<<\/span> _sockfd;<\/span><\/p>\n

                                            char<\/span> buffer[<\/span>gbuffersize]<\/span>;<\/span>
                                            \n while<\/span> (<\/span>true<\/span>)<\/span>
                                            \n {<\/span>
                                            \n ssize_t n =<\/span> recv<\/span>(<\/span>_sockfd,<\/span> buffer,<\/span> gbuffersize –<\/span> 1<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

                                            if<\/span> (<\/span>n ><\/span> 0<\/span>)<\/span>
                                            \n {<\/span>
                                            \n buffer[<\/span>n]<\/span> =<\/span> '\\\\0'<\/span>;<\/span>
                                            \n _inbuffer +=<\/span> buffer;<\/span>
                                            \n }<\/span>
                                            \n else<\/span> if<\/span> (<\/span>n ==<\/span> 0<\/span>)<\/span>
                                            \n {<\/span>
                                            \n \/\/ \u5bf9\u7aef\u6b63\u5e38\u5173\u95ed\u8fde\u63a5<\/span>
                                            \n LOG<\/span>(<\/span>LogLevel::<\/span>INFO)<\/span> <<<\/span> "client quit, address is: "<\/span>
                                            \n <<<\/span> _clientaddr.<\/span>StringAddress<\/span>(<\/span>)<\/span>
                                            \n <<<\/span> " sockfd:"<\/span> <<<\/span> _sockfd;<\/span>
                                            \n Excepter<\/span>(<\/span>)<\/span>;<\/span>
                                            \n return<\/span>;<\/span>
                                            \n }<\/span>
                                            \n else<\/span>
                                            \n {<\/span>
                                            \n if<\/span> (<\/span>errno ==<\/span> EAGAIN ||<\/span> errno ==<\/span> EWOULDBLOCK)<\/span>
                                            \n {<\/span>
                                            \n \/\/ \u672c\u8f6e\u6570\u636e\u5168\u90e8\u8bfb\u53d6\u5b8c\u6bd5<\/span>
                                            \n break<\/span>;<\/span>
                                            \n }<\/span>
                                            \n if<\/span> (<\/span>errno ==<\/span> EINTR)<\/span>
                                            \n {<\/span>
                                            \n \/\/ \u88ab\u4fe1\u53f7\u4e2d\u65ad，\u91cd\u8bd5\u8bfb\u53d6<\/span>
                                            \n continue<\/span>;<\/span>
                                            \n }<\/span>
                                            \n \/\/ \u8bfb\u53d6\u53d1\u751f\u771f\u6b63\u9519\u8bef<\/span>
                                            \n LOG<\/span>(<\/span>LogLevel::<\/span>ERROR)<\/span> <<<\/span> "recv error, address is: "<\/span>
                                            \n <<<\/span> _clientaddr.<\/span>StringAddress<\/span>(<\/span>)<\/span>
                                            \n <<<\/span> " sockfd: "<\/span> <<<\/span> _sockfd;<\/span>
                                            \n Excepter<\/span>(<\/span>)<\/span>;<\/span>
                                            \n return<\/span>;<\/span>
                                            \n }<\/span>
                                            \n }<\/span><\/p>\n

                                            \/\/ \u8bfb\u53d6\u5b8c\u6210\u540e，\u5c1d\u8bd5\u5904\u7406\u5b8c\u6574\u62a5\u6587<\/span>
                                            \n int<\/span> code =<\/span> 0<\/span>;<\/span>
                                            \n std::<\/span>string result =<\/span> _on_message<\/span>(<\/span>_inbuffer,<\/span> &<\/span>code)<\/span>;<\/span>
                                            \n if<\/span> (<\/span>code ==<\/span> 0<\/span>)<\/span>
                                            \n {<\/span>
                                            \n _outbuffer +=<\/span> result;<\/span>
                                            \n }<\/span>
                                            \n else<\/span>
                                            \n {<\/span>
                                            \n Excepter<\/span>(<\/span>)<\/span>;<\/span>
                                            \n return<\/span>;<\/span>
                                            \n }<\/span><\/p>\n

                                            \/\/ \u5c1d\u8bd5\u76f4\u63a5\u53d1\u9001\u54cd\u5e94<\/span>
                                            \n if<\/span> (<\/span>!<\/span>_outbuffer.<\/span>empty<\/span>(<\/span>)<\/span>)<\/span>
                                            \n {<\/span>
                                            \n Sender<\/span>(<\/span>)<\/span>;<\/span>
                                            \n }<\/span>
                                            \n}<\/span><\/p>\n

                                            [\u5ba1\u8ba1\u6279\u6ce8]<\/p>\n

                                          • \u5bf9\u7aef\u5173\u95ed\u8fde\u63a5（n==0）\u5c5e\u4e8e\u6b63\u5e38\u751f\u547d\u5468\u671f\u7ed3\u675f，\u5e76\u975e\u5f02\u5e38\u4e8b\u4ef6\u3002\u539f\u903b\u8f91\u7edf\u4e00\u8c03\u7528Excepter()\u5904\u7406\u5e76\u4e0d\u4e25\u8c28，\u751f\u4ea7\u73af\u5883\u5e94\u5355\u72ec\u5b9e\u73b0\u8fde\u63a5\u5173\u95ed\u903b\u8f91，\u5b8c\u6210\u8d44\u6e90\u6e05\u7406\u3001\u8fde\u63a5\u79fb\u9664\u7b49\u5de5\u4f5c，\u907f\u514d\u4e0e\u771f\u6b63\u7684\u9519\u8bef\u6df7\u6dc6\u3002<\/li>\n
                                          • buffer[n] = '\\\\0'\u914d\u5408_inbuffer += buffer\u7684\u5199\u6cd5\u4ec5\u9002\u7528\u4e8e\u6587\u672c\u534f\u8bae，\u82e5\u4f20\u8f93\u4e8c\u8fdb\u5236\u6570\u636e，string\u7684+=\u8fd0\u7b97\u7b26\u4f1a\u56e0\u9047\u5230\u2019\\\\0\u2019\u622a\u65ad\u6570\u636e\u3002\u4e8c\u8fdb\u5236\u573a\u666f\u5e94\u4f7f\u7528_inbuffer.append(buffer, n)\u660e\u786e\u6307\u5b9a\u8ffd\u52a0\u957f\u5ea6\u3002<\/li>\n
                                          • \u8bfb\u53d6\u5b8c\u6210\u540e\u7acb\u5373\u8c03\u7528Sender()\u5c1d\u8bd5\u53d1\u9001\u662f\u6700\u4f18\u5b9e\u8df5：\u6b64\u65f6\u5185\u6838\u53d1\u9001\u7f13\u51b2\u533a\u5927\u6982\u7387\u4e3a\u7a7a，\u5199\u4e8b\u4ef6\u5904\u4e8e\u5c31\u7eea\u72b6\u6001，\u76f4\u63a5\u53d1\u9001\u53ef\u907f\u514d\u989d\u5916\u7684epoll\u4e8b\u4ef6\u89e6\u53d1，\u964d\u4f4e\u5ef6\u8fdf\u3002<\/li>\n

                                            3.3 \u534f\u8bae\u5c42\u4e0e\u4e1a\u52a1\u5c42\u7684\u89e3\u8026\u63a5\u5165<\/h3>\n

                                            \u901a\u8fc7\u56de\u8c03\u51fd\u6570\u673a\u5236，\u5c06\u7f51\u7edcIO\u5c42\u4e0e\u534f\u8bae\u5c42\u3001\u4e1a\u52a1\u5c42\u5b8c\u5168\u89e3\u8026，\u5404\u5c42\u53ef\u72ec\u7acb\u5f00\u53d1\u4e0e\u66ff\u6362\u3002<\/p>\n

                                            3.3.1 \u5206\u5c42\u67b6\u6784<\/h4>\n
                                          • \u7f51\u7edc\u5c42：Reactor + IOHandler，\u53ea\u8d1f\u8d23\u6570\u636e\u7684\u6536\u53d1\u4e0e\u4e8b\u4ef6\u7ba1\u7406，\u4e0d\u5173\u5fc3\u6570\u636e\u5185\u5bb9\u3002<\/li>\n
                                          • \u534f\u8bae\u5c42：Protocol，\u8d1f\u8d23\u62a5\u6587\u7684\u5c01\u5305\u3001\u89e3\u5305\u3001\u5e8f\u5217\u5316\u3001\u53cd\u5e8f\u5217\u5316，\u5224\u65ad\u62a5\u6587\u5b8c\u6574\u6027\u3002<\/li>\n
                                          • \u4e1a\u52a1\u5c42：Calculator，\u8d1f\u8d23\u5177\u4f53\u7684\u4e1a\u52a1\u903b\u8f91\u5904\u7406，\u53ea\u5173\u5fc3\u7ed3\u6784\u5316\u7684\u8bf7\u6c42\u4e0e\u54cd\u5e94\u3002<\/li>\n

                                            3.3.2 \u56de\u8c03\u900f\u4f20\u94fe\u8def<\/h4>\n
                                              \n
                                            • \u4e3b\u51fd\u6570\u4e2d\u5b9a\u4e49\u534f\u8bae\u4e0e\u4e1a\u52a1\u5bf9\u8c61，\u5c06\u4e1a\u52a1\u5904\u7406\u56de\u8c03\u6ce8\u5165\u534f\u8bae\u5c42<\/li>\n
                                            • \u534f\u8bae\u5c42\u7684\u5904\u7406\u56de\u8c03\u901a\u8fc7Listener\u6784\u9020\u51fd\u6570\u900f\u4f20<\/li>\n
                                            • Listener\u521b\u5efaIOHandler\u65f6，\u5c06\u56de\u8c03\u6ce8\u5165\u6bcf\u4e2a\u4e1a\u52a1\u8fde\u63a5<\/li>\n
                                            • IOHandler\u8bfb\u53d6\u5230\u6570\u636e\u540e，\u901a\u8fc7\u56de\u8c03\u8c03\u7528\u534f\u8bae\u5c42\u5904\u7406<\/li>\n<\/ul>\n

                                              3.3.3 \u534f\u8bae\u5c42\u6838\u5fc3\u63a5\u53e3<\/h4>\n

                                              \/\/ \u8fd4\u56de\u503c：\u54cd\u5e94\u62a5\u6587\u5e8f\u5217\u5316\u7ed3\u679c<\/span>
                                              \n\/\/ \u53c2\u6570：inbuffer-\u8f93\u5165\u5b57\u8282\u6d41，code-\u8f93\u51fa\u578b\u9519\u8bef\u7801（0\u6210\u529f，-1\u5931\u8d25）<\/span>
                                              \nstd::<\/span>string HandlerRequest<\/span>(<\/span>std::<\/span>string &<\/span>streamstr,<\/span> int<\/span> *<\/span>code)<\/span>
                                              \n{<\/span>
                                              \n std::<\/span>string resp_package;<\/span>
                                              \n while<\/span> (<\/span>true<\/span>)<\/span>
                                              \n {<\/span>
                                              \n std::<\/span>string jsonstring;<\/span>
                                              \n int<\/span> n =<\/span> UnPackage<\/span>(<\/span>streamstr,<\/span> &<\/span>jsonstring)<\/span>;<\/span>
                                              \n if<\/span> (<\/span>n ==<\/span> 0<\/span>)<\/span>
                                              \n {<\/span>
                                              \n \/\/ \u65e0\u5b8c\u6574\u62a5\u6587，\u9000\u51fa<\/span>
                                              \n *<\/span>code =<\/span> 0<\/span>;<\/span>
                                              \n return<\/span> resp_package;<\/span>
                                              \n }<\/span>
                                              \n else<\/span> if<\/span> (<\/span>n ==<\/span> –<\/span>1<\/span>)<\/span>
                                              \n {<\/span>
                                              \n \/\/ \u62a5\u6587\u89e3\u6790\u9519\u8bef<\/span>
                                              \n *<\/span>code =<\/span> –<\/span>1<\/span>;<\/span>
                                              \n return<\/span> resp_package;<\/span>
                                              \n }<\/span><\/p>\n

                                              \/\/ \u53cd\u5e8f\u5217\u5316 -> \u4e1a\u52a1\u5904\u7406 -> \u5e8f\u5217\u5316\u54cd\u5e94<\/span>
                                              \n Request req;<\/span>
                                              \n req.<\/span>Deserialize<\/span>(<\/span>jsonstring)<\/span>;<\/span>
                                              \n Response resp =<\/span> _callback<\/span>(<\/span>req)<\/span>;<\/span>
                                              \n std::<\/span>string resp_str =<\/span> resp.<\/span>Serialize<\/span>(<\/span>)<\/span>;<\/span>
                                              \n resp_package +=<\/span> Package<\/span>(<\/span>resp_str)<\/span>;<\/span>
                                              \n }<\/span>
                                              \n}<\/span><\/p>\n

                                              [\u5ba1\u8ba1\u6279\u6ce8] \u539f\u7b14\u8bb0\u4e2d\u89e3\u6790\u5931\u8d25\u76f4\u63a5\u8c03\u7528exit(1)\u7ec8\u6b62\u6574\u4e2a\u8fdb\u7a0b，\u5c5e\u4e8e\u4e25\u91cd\u8bbe\u8ba1\u7f3a\u9677\u3002\u5355\u4e2a\u5ba2\u6237\u7aef\u7684\u975e\u6cd5\u62a5\u6587\u4e0d\u5e94\u5bfc\u81f4\u6574\u4e2a\u670d\u52a1\u5d29\u6e83，\u6b63\u786e\u505a\u6cd5\u662f\u8fd4\u56de\u9519\u8bef\u7801，\u7531\u4e0a\u5c42\u5173\u95ed\u5bf9\u5e94\u8fde\u63a5，\u4fdd\u8bc1\u670d\u52a1\u53ef\u7528\u6027\u3002<\/p>\n

                                              3.4 Sender\u5199\u4e8b\u4ef6\u7684\u6b63\u786e\u5904\u7406\u903b\u8f91<\/h3>\n

                                              \u5199\u4e8b\u4ef6\u7684\u5904\u7406\u4e0e\u8bfb\u4e8b\u4ef6\u6709\u672c\u8d28\u533a\u522b：\u8bfb\u4e8b\u4ef6\u662f\u5e38\u8bbe\u7684，\u800c\u5199\u4e8b\u4ef6\u5fc5\u987b\u6309\u9700\u6ce8\u518c，\u5426\u5219\u4f1a\u5bfc\u81f4epoll\u9891\u7e41\u89e6\u53d1\u7a7a\u8f6c，CPU\u5360\u7528100%\u3002<\/p>\n

                                              3.4.1 \u6838\u5fc3\u539f\u5219<\/h4>\n
                                                \n
                                              • \u8bfb\u4e8b\u4ef6EPOLLIN：\u5e38\u8bbe\u5230epoll\u4e2d，\u56e0\u4e3a\u6570\u636e\u4f55\u65f6\u5230\u6765\u662f\u4e0d\u53ef\u9884\u77e5\u7684\u3002<\/li>\n
                                              • \u5199\u4e8b\u4ef6EPOLLOUT：\u6309\u9700\u6ce8\u518c\u3002\u5957\u63a5\u5b57\u521b\u5efa\u4e4b\u521d，\u5185\u6838\u53d1\u9001\u7f13\u51b2\u533a\u4e3a\u7a7a，\u5199\u4e8b\u4ef6\u9ed8\u8ba4\u5c31\u7eea，\u82e5\u5e38\u8bbeEPOLLOUT\u4f1a\u5bfc\u81f4epoll\u4e0d\u65ad\u8fd4\u56de\u5c31\u7eea，\u9020\u6210\u5fd9\u7b49\u3002\u4ec5\u5f53\u53d1\u9001\u7f13\u51b2\u533a\u6ee1\u3001\u65e0\u6cd5\u7ee7\u7eed\u53d1\u9001\u65f6，\u624d\u6ce8\u518cEPOLLOUT\u4e8b\u4ef6，\u5f85\u7f13\u51b2\u533a\u53ef\u5199\u65f6\u89e6\u53d1\u4e00\u6b21，\u5199\u5b8c\u540e\u7acb\u5373\u79fb\u9664\u3002<\/li>\n<\/ul>\n

                                                3.4.2 \u5b8c\u6574\u53d1\u9001\u903b\u8f91<\/h4>\n

                                                void<\/span> Sender<\/span>(<\/span>)<\/span> override<\/span>
                                                \n{<\/span>
                                                \n while<\/span> (<\/span>true<\/span>)<\/span>
                                                \n {<\/span>
                                                \n ssize_t n =<\/span> send<\/span>(<\/span>_sockfd,<\/span> _outbuffer.<\/span>c_str<\/span>(<\/span>)<\/span>,<\/span> _outbuffer.<\/span>size<\/span>(<\/span>)<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

                                                if<\/span> (<\/span>n >=<\/span> 0<\/span>)<\/span>
                                                \n {<\/span>
                                                \n \/\/ \u79fb\u9664\u5df2\u53d1\u9001\u7684\u6570\u636e<\/span>
                                                \n _outbuffer.<\/span>erase<\/span>(<\/span>0<\/span>,<\/span> n)<\/span>;<\/span>
                                                \n if<\/span> (<\/span>_outbuffer.<\/span>empty<\/span>(<\/span>)<\/span>)<\/span>
                                                \n {<\/span>
                                                \n \/\/ \u5168\u90e8\u53d1\u9001\u5b8c\u6bd5<\/span>
                                                \n break<\/span>;<\/span>
                                                \n }<\/span>
                                                \n }<\/span>
                                                \n else<\/span>
                                                \n {<\/span>
                                                \n if<\/span> (<\/span>errno ==<\/span> EAGAIN ||<\/span> errno ==<\/span> EWOULDBLOCK)<\/span>
                                                \n {<\/span>
                                                \n \/\/ \u53d1\u9001\u7f13\u51b2\u533a\u5df2\u6ee1，\u672c\u8f6e\u65e0\u6cd5\u7ee7\u7eed\u53d1\u9001<\/span>
                                                \n break<\/span>;<\/span>
                                                \n }<\/span>
                                                \n if<\/span> (<\/span>errno ==<\/span> EINTR)<\/span>
                                                \n {<\/span>
                                                \n \/\/ \u88ab\u4fe1\u53f7\u4e2d\u65ad，\u91cd\u8bd5\u53d1\u9001<\/span>
                                                \n continue<\/span>;<\/span>
                                                \n }<\/span>
                                                \n \/\/ \u53d1\u9001\u53d1\u751f\u771f\u6b63\u9519\u8bef<\/span>
                                                \n LOG<\/span>(<\/span>LogLevel::<\/span>ERROR)<\/span> <<<\/span> "send error, address is: "<\/span>
                                                \n <<<\/span> _clientaddr.<\/span>StringAddress<\/span>(<\/span>)<\/span>
                                                \n <<<\/span> " sockfd:"<\/span> <<<\/span> _sockfd;<\/span>
                                                \n Excepter<\/span>(<\/span>)<\/span>;<\/span>
                                                \n return<\/span>;<\/span>
                                                \n }<\/span>
                                                \n }<\/span><\/p>\n

                                                \/\/ \u6839\u636e\u53d1\u9001\u7ed3\u679c\u8c03\u6574\u4e8b\u4ef6\u6ce8\u518c<\/span>
                                                \n if<\/span> (<\/span>_outbuffer.<\/span>empty<\/span>(<\/span>)<\/span>)<\/span>
                                                \n {<\/span>
                                                \n \/\/ \u6570\u636e\u53d1\u5b8c，\u5173\u95ed\u5199\u4e8b\u4ef6\u76d1\u542c<\/span>
                                                \n _R-><\/span>EnableReadWrite<\/span>(<\/span>_sockfd,<\/span> true<\/span>,<\/span> false<\/span>)<\/span>;<\/span>
                                                \n }<\/span>
                                                \n else<\/span>
                                                \n {<\/span>
                                                \n \/\/ \u6570\u636e\u672a\u53d1\u5b8c，\u5f00\u542f\u5199\u4e8b\u4ef6\u76d1\u542c，\u7b49\u5f85\u7f13\u51b2\u533a\u53ef\u5199<\/span>
                                                \n _R-><\/span>EnableReadWrite<\/span>(<\/span>_sockfd,<\/span> true<\/span>,<\/span> true<\/span>)<\/span>;<\/span>
                                                \n }<\/span>
                                                \n}<\/span><\/p>\n

                                                3.4.3 EnableReadWrite\u4e8b\u4ef6\u4fee\u6539\u63a5\u53e3<\/h4>\n

                                                \u8be5\u63a5\u53e3\u7531Reactor\u63d0\u4f9b，\u7528\u4e8e\u52a8\u6001\u4fee\u6539\u8fde\u63a5\u5173\u5fc3\u7684\u4e8b\u4ef6\u96c6\u5408：<\/p>\n

                                                void<\/span> EnableReadWrite<\/span>(<\/span>int<\/span> sockfd,<\/span> bool<\/span> isread,<\/span> bool<\/span> iswrite)<\/span>
                                                \n{<\/span>
                                                \n uint32_t<\/span> events =<\/span> 0<\/span>;<\/span>
                                                \n if<\/span> (<\/span>isread)<\/span> events |=<\/span> EPOLLIN;<\/span>
                                                \n if<\/span> (<\/span>iswrite)<\/span> events |=<\/span> EPOLLOUT;<\/span>
                                                \n events |=<\/span> EPOLLET;<\/span> \/\/ \u4fdd\u6301ET\u6a21\u5f0f<\/span><\/p>\n

                                                struct<\/span> epoll_event<\/span> ev;<\/span>
                                                \n ev.<\/span>events =<\/span> events;<\/span>
                                                \n ev.<\/span>data.<\/span>fd =<\/span> sockfd;<\/span>
                                                \n epoll_ctl<\/span>(<\/span>_epfd,<\/span> EPOLL_CTL_MOD,<\/span> sockfd,<\/span> &<\/span>ev)<\/span>;<\/span><\/p>\n

                                                \/\/ \u540c\u6b65\u66f4\u65b0Connection\u5bf9\u8c61\u7684\u4e8b\u4ef6\u8bb0\u5f55<\/span>
                                                \n _connections[<\/span>sockfd]<\/span>-><\/span>SetEvents<\/span>(<\/span>events)<\/span>;<\/span>
                                                \n}<\/span><\/p>\n

                                                3.4.4 \u6700\u540e\u4e00\u4e2a\u5751：\u591a\u8def\u8f6c\u63a5select\u3001poll\u3001epoll\u5f53\u4e2d\u5982\u4f55\u6b63\u786e\u7406\u89e3\u53d1\u9001\u95ee\u9898！！！<\/h4>\n

                                                \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                                3.5 Excepter\u7edf\u4e00\u5f02\u5e38\u5904\u7406<\/h3>\n

                                                \u6240\u6709\u8bfb\u5199\u9519\u8bef\u3001\u5bf9\u7aef\u5173\u95ed\u7b49\u5f02\u5e38\u573a\u666f，\u6700\u7ec8\u90fd\u4f1a\u8fdb\u5165\u5f02\u5e38\u5904\u7406\u51fd\u6570，\u5b8c\u6210\u8fde\u63a5\u8d44\u6e90\u6e05\u7406\u5de5\u4f5c\u3002<\/p>\n

                                                void<\/span> Excepter<\/span>(<\/span>)<\/span> override<\/span>
                                                \n{<\/span>
                                                \n LOG<\/span>(<\/span>LogLevel::<\/span>ERROR)<\/span> <<<\/span> "Excepter, address is: "<\/span>
                                                \n <<<\/span> _clientaddr.<\/span>StringAddress<\/span>(<\/span>)<\/span>
                                                \n <<<\/span> " sockfd:"<\/span> <<<\/span> _sockfd;<\/span><\/p>\n

                                                \/\/ 1. \u4eceepoll\u4e2d\u79fb\u9664\u4e8b\u4ef6<\/span>
                                                \n _R-><\/span>RemoveConnection<\/span>(<\/span>_sockfd)<\/span>;<\/span>
                                                \n \/\/ 2. \u5173\u95ed\u5957\u63a5\u5b57<\/span>
                                                \n close<\/span>(<\/span>_sockfd)<\/span>;<\/span>
                                                \n \/\/ 3. \u8fde\u63a5\u5bf9\u8c61\u4f1a\u56e0\u5f15\u7528\u8ba1\u6570\u5f52\u96f6\u81ea\u52a8\u91ca\u653e<\/span>
                                                \n}<\/span><\/p>\n

                                                [\u5ba1\u8ba1\u6279\u6ce8] \u79fb\u9664\u8fde\u63a5\u65f6\u5fc5\u987b\u5148\u4eceepoll\u4e8b\u4ef6\u8868\u4e2d\u5220\u9664，\u518d\u5173\u95ed\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u867d\u7136\u5173\u95edfd\u4f1a\u81ea\u52a8\u4eceepoll\u4e2d\u79fb\u9664，\u4f46\u663e\u5f0f\u8c03\u7528EPOLL_CTL_DEL\u662f\u66f4\u4e25\u8c28\u7684\u505a\u6cd5，\u907f\u514d\u65f6\u5e8f\u95ee\u9898\u5f15\u53d1\u7684\u4e8b\u4ef6\u8bef\u89e6\u53d1\u3002<\/p>\n

                                                3.6 Recver（IOHandler.hpp）\u77e5\u8bc6\u56fe\u8c31<\/h3>\n

                                                \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                                \n

                                                4 ~> Version1\u7248\u672c\u4ee3\u7801<\/h2>\n

                                                Reactor-V1\u7248\u672c\u4ee3\u7801\u77e5\u8bc6\u56fe\u8c31<\/h3>\n

                                                \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

                                                \n

                                                5 ~> \u672c\u6587\u603b\u7ed3<\/h2>\n

                                                \u6838\u5fc3\u8003\u70b9\u6df1\u5ea6\u603b\u7ed3<\/h3>\n
                                              • ET\u6a21\u5f0f\u7684\u94c1\u5219 ET\u6a21\u5f0f\u662fReactor\u9ad8\u6027\u80fd\u7684\u6838\u5fc3，\u4f46\u6709\u4e24\u6761\u4e0d\u53ef\u7a81\u7834\u7684\u7ea6\u675f：\u6240\u6709\u6587\u4ef6\u63cf\u8ff0\u7b26\u5fc5\u987b\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e；\u6240\u6709IO\u64cd\u4f5c\u5fc5\u987b\u5faa\u73af\u6267\u884c\u76f4\u5230\u8fd4\u56deEAGAIN\u3002\u8fdd\u53cd\u4efb\u610f\u4e00\u6761\u90fd\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u6302\u8d77\u6216\u4e8b\u4ef6\u4e22\u5931\u3002LT\u6a21\u5f0f\u65e0\u6b64\u7ea6\u675f，\u4f46\u4e8b\u4ef6\u901a\u77e5\u6548\u7387\u66f4\u4f4e，\u9002\u5408\u5feb\u901f\u5f00\u53d1\u7684\u573a\u666f\u3002<\/li>\n
                                              • \u4e8b\u4ef6\u6ce8\u518c\u7684\u9ec4\u91d1\u6cd5\u5219 \u8bfb\u4e8b\u4ef6\u5e38\u8bbe，\u5199\u4e8b\u4ef6\u6309\u9700\u6ce8\u518c\u3002\u8fd9\u662fepoll\u7f16\u7a0b\u4e2d\u6700\u5bb9\u6613\u51fa\u9519\u7684\u70b9，\u5f88\u591a\u521d\u5b66\u8005\u4f1a\u5c06EPOLLOUT\u5e38\u8bbe，\u5bfc\u81f4CPU\u8dd1\u6ee1\u3002\u6838\u5fc3\u903b\u8f91：\u53d1\u9001\u6570\u636e\u65f6\u5148\u5c1d\u8bd5\u76f4\u63a5\u53d1\u9001，\u53d1\u4e0d\u5b8c\u518d\u6ce8\u518c\u5199\u4e8b\u4ef6，\u5199\u5b8c\u7acb\u523b\u53d6\u6d88\u5199\u4e8b\u4ef6\u76d1\u542c\u3002<\/li>\n
                                              • \u7cfb\u7edf\u8c03\u7528\u9519\u8bef\u7801\u4e09\u5206\u652f\u5224\u65ad \u6240\u6709\u975e\u963b\u585eIO\u7cfb\u7edf\u8c03\u7528（accept\u3001recv\u3001send）\u8fd4\u56de-1\u65f6，\u7edd\u4e0d\u80fd\u76f4\u63a5\u5224\u5b9a\u4e3a\u9519\u8bef，\u5fc5\u987b\u6309\u4f18\u5148\u7ea7\u5224\u65ad：\n
                                              • EAGAIN\/EWOULDBLOCK：\u6b63\u5e38\u7ed3\u675f，\u672c\u8f6eIO\u5b8c\u6210<\/li>\n
                                              • EINTR：\u88ab\u4fe1\u53f7\u4e2d\u65ad，\u91cd\u8bd5\u5373\u53ef<\/li>\n
                                              • \u5176\u4ed6\u9519\u8bef\u7801：\u771f\u6b63\u7684IO\u9519\u8bef，\u8d70\u5f02\u5e38\u5904\u7406 \u8be5\u5224\u65ad\u903b\u8f91\u662f\u6240\u6709\u975e\u963b\u585eIO\u7684\u6807\u51c6\u8303\u5f0f，\u5fc5\u987b\u70c2\u719f\u4e8e\u5fc3\u3002<\/li>\n<\/li>\n
                                              • \u5206\u5c42\u89e3\u8026\u7684\u56de\u8c03\u673a\u5236 Reactor\u7f51\u7edc\u5c42\u901a\u8fc7\u56de\u8c03\u51fd\u6570\u5bf9\u63a5\u534f\u8bae\u5c42\u4e0e\u4e1a\u52a1\u5c42，\u5b9e\u73b0\u4e86\u201c\u7f51\u7edcIO\u201d\u4e0e\u201c\u4e1a\u52a1\u903b\u8f91\u201d\u7684\u5b8c\u5168\u89e3\u8026\u3002\u66ff\u6362\u4e1a\u52a1\u903b\u8f91\u65e0\u9700\u4fee\u6539\u7f51\u7edc\u4ee3\u7801，\u53ea\u9700\u66f4\u6362\u56de\u8c03\u51fd\u6570，\u8fd9\u662f\u5de5\u4e1a\u7ea7\u7f51\u7edc\u5e93\u7684\u6807\u51c6\u8bbe\u8ba1\u601d\u60f3\u3002<\/li>\n
                                              • \u667a\u80fd\u6307\u9488\u7684\u5faa\u73af\u5f15\u7528\u9677\u9631 \u53cc\u5411\u5f15\u7528\u573a\u666f\u4e0b\u4e25\u7981\u53cc\u5411\u4f7f\u7528shared_ptr，\u5fc5\u7136\u5bfc\u81f4\u5faa\u73af\u5f15\u7528\u5185\u5b58\u6cc4\u6f0f\u3002\u89e3\u51b3\u65b9\u6848\u6709\u4e24\u79cd：\u4e00\u65b9\u4f7f\u7528\u88f8\u6307\u9488\u4f5c\u5f31\u5f15\u7528（\u672c\u6587\u65b9\u6848）；\u4e00\u65b9\u4f7f\u7528weak_ptr\u3002\u524d\u8005\u5b9e\u73b0\u7b80\u5355，\u540e\u8005\u66f4\u5b89\u5168\u4f46\u6709\u989d\u5916\u5f00\u9500\u3002<\/li>\n
                                              • \u8fde\u63a5\u751f\u547d\u5468\u671f\u7684\u7a7a\u6307\u9488\u9632\u62a4 \u4e8b\u4ef6\u6d3e\u53d1\u65f6\u5fc5\u987b\u5148\u5224\u65ad\u8fde\u63a5\u662f\u5426\u5b58\u5728\u3002\u56e0\u4e3a\u5728\u5904\u7406\u8bfb\u4e8b\u4ef6\u7684\u8fc7\u7a0b\u4e2d，\u53ef\u80fd\u5df2\u7ecf\u89e6\u53d1\u5f02\u5e38\u5e76\u79fb\u9664\u4e86\u8fde\u63a5，\u82e5\u7ee7\u7eed\u5904\u7406\u5199\u4e8b\u4ef6\u4f1a\u8bbf\u95ee\u7a7a\u6307\u9488\u3002\u8fd9\u662f\u591a\u903b\u8f91\u5206\u652f\u4e0b\u6781\u6613\u5ffd\u7565\u7684\u8fb9\u754c\u95ee\u9898\u3002<\/li>\n
                                              • \u5f02\u5e38\u4e8b\u4ef6\u7684\u6b63\u786e\u5904\u7406 EPOLLERR\u3001EPOLLHUP\u5c5e\u4e8e\u5957\u63a5\u5b57\u5f02\u5e38\u4e8b\u4ef6，\u5e94\u4f18\u5148\u89e6\u53d1\u5f02\u5e38\u6e05\u7406\u903b\u8f91，\u800c\u975e\u7b80\u5355\u8f6c\u6362\u4e3a\u8bfb\u5199\u4e8b\u4ef6\u3002\u5bf9\u7aef\u6b63\u5e38\u5173\u95ed（recv\u8fd4\u56de0）\u5c5e\u4e8e\u6b63\u5e38\u751f\u547d\u5468\u671f，\u5e94\u4e0e\u9519\u8bef\u5f02\u5e38\u533a\u5206\u5904\u7406\u3002<\/li>\n
                                              • \u5de5\u7a0b\u5316\u7ec6\u8282\u5751\u70b9\n
                                              • \u5934\u6587\u4ef6\u5305\u542b\u987a\u5e8f\u4e0e\u524d\u7f6e\u58f0\u660e\u7684\u914d\u5408\u4f7f\u7528，\u89e3\u51b3\u5faa\u73af\u4f9d\u8d56\u95ee\u9898<\/li>\n
                                              • \u65e5\u5fd7\u7ea7\u522b\u7684\u6b63\u786e\u4f7f\u7528，\u7981\u6b62\u5c06\u6b63\u5e38\u73b0\u8c61\u6807\u8bb0\u4e3a\u81f4\u547d\u9519\u8bef<\/li>\n
                                              • \u5b57\u7b26\u4e32\u64cd\u4f5c\u7684\u4e8c\u8fdb\u5236\u517c\u5bb9\u6027\u95ee\u9898，\u6839\u636e\u534f\u8bae\u7c7b\u578b\u9009\u62e9\u6b63\u786e\u7684\u8ffd\u52a0\u65b9\u5f0f<\/li>\n
                                              • \u5957\u63a5\u5b57\u521b\u5efa\u65f6\u7edf\u4e00\u8bbe\u7f6e\u975e\u963b\u585e\u4e0e\u7aef\u53e3\u590d\u7528\u9009\u9879，\u907f\u514d\u9057\u6f0f<\/li>\n<\/li>\n
                                                \n

                                                \u7ed3\u5c3e<\/h2>\n

                                                uu\u4eec，\u672c\u6587\u7684\u5185\u5bb9\u5230\u8fd9\u91cc\u5c31\u5168\u90e8\u7ed3\u675f\u4e86，\u827e\u8389\u4e1d\u5728\u8fd9\u91cc\u518d\u6b21\u611f\u8c22\u60a8\u7684\u9605\u8bfb！<\/font><\/p>\n\n\n\n
                                                \n

                                                \n

                                                \u827e\u8389\u4e1d\u52aa\u529b\u7ec3\u5251<\/font>
                                                \n <\/h3>\n

                                                <\/b><\/p>\n

                                                C\/C++ & Linux \u5e95\u5c42\u63a2\u7d22\u8005 | \u4e00\u4e2a\u6b63\u5728\u52aa\u529b\u7ec3\u5251\u7684\u6280\u672f\u535a\u4e3b<\/font><\/p>\n

                                                \n

                                                👀
                                                \n \u3010\u5173\u6ce8\u3011<\/b> \u8ddf\u968f\u6211\u4e00\u8d77\u6df1\u8015\u6280\u672f\u9886\u57df，\u89c1\u8bc1\u6bcf\u4e00\u6b21\u6210\u957f\u3002<\/p>\n

                                                \u2764\ufe0f
                                                \n \u3010\u70b9\u8d5e\u3011<\/b> \u8ba9\u4f18\u8d28\u5185\u5bb9\u88ab\u66f4\u591a\u4eba\u770b\u89c1，\u8ba9\u77e5\u8bc6\u4f20\u9012\u66f4\u6709\u529b\u91cf\u3002<\/p>\n

                                                \u2b50
                                                \n \u3010\u6536\u85cf\u3011<\/b> \u628a\u6838\u5fc3\u77e5\u8bc6\u70b9\u5b58\u597d，\u5728\u9700\u8981\u65f6\u968f\u65f6\u67e5\u3001\u968f\u65f6\u7528\u3002<\/p>\n

                                                💬
                                                \n \u3010\u8bc4\u8bba\u3011<\/b> \u5206\u4eab\u4f60\u7684\u7ecf\u9a8c\u6216\u7591\u95ee，\u8bc4\u8bba\u533a\u4e00\u8d77\u4ea4\u6d41\u907f\u5751！<\/p>\n

                                                \u4e0d\u8981\u5fd8\u8bb0\u7ed9\u535a\u4e3b\u201c\u4e00\u952e\u56db\u8fde\u201d\u54e6！<\/font><\/b><\/p>\n

                                                \u201c\u4eca\u65e5\u7ec3\u5251\u8fbe\u6210！\u201d<\/font><\/p>\n

                                                <\/p>\n

                                                \u201c\u6280\u672f\u4e4b\u8def\u96be\u514d\u6709\u56f0\u60d1，\u4f46\u540c\u884c\u7684\u4eba\u4f1a\u8ba9\u524d\u8fdb\u66f4\u6709\u65b9\u5411\u3002\u201d <\/font><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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