{"id":96645,"date":"2026-08-28T06:56:23","date_gmt":"2026-08-27T22:56:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/96645.html"},"modified":"2026-08-28T06:56:23","modified_gmt":"2026-08-27T22:56:23","slug":"acceptor%e6%a8%a1%e5%9d%97%e7%9a%84%e8%ae%be%e8%ae%a1%e4%b8%8e%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/96645.html","title":{"rendered":"Acceptor\u6a21\u5757\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0"},"content":{"rendered":"<h3>\u76ee\u5f55<\/h3>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>Acceptor \u7c7b\u7684\u8bbe\u8ba1\u601d\u60f3<\/li>\n<li>Acceptor \u7c7b\u7684\u5b9e\u73b0<\/li>\n<li>\u7ed3\u8bed<\/li>\n<\/ul>\n<h2>\u524d\u8a00<\/h2>\n<p>\u5728\u4e0a\u7bc7\u6587\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u8be6\u7ec6\u63a2\u8ba8\u4e86 Connection \u6a21\u5757\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002\u4ece\u5957\u63a5\u5b57\u7ba1\u7406\u5230\u7f13\u51b2\u533a\u8bbe\u8ba1&#xff0c;\u4ece\u4e8b\u4ef6\u56de\u8c03\u5230\u534f\u8bae\u5207\u6362&#xff0c;\u6211\u4eec\u6784\u5efa\u4e86\u4e00\u4e2a\u529f\u80fd\u5b8c\u5907\u7684\u8fde\u63a5\u7ba1\u7406\u5355\u5143\u3002\u5b83\u627f\u8f7d\u7740\u6570\u636e\u6536\u53d1\u7684\u91cd\u4efb&#xff0c;\u7ba1\u7406\u7740\u8fde\u63a5\u7684\u751f\u547d\u5468\u671f&#xff0c;\u662f\u6574\u4e2a\u7f51\u7edc\u5e93\u4e2d\u627f\u4e0a\u542f\u4e0b\u7684\u5173\u952e\u6a21\u5757\u3002<\/p>\n<p>\u7136\u800c&#xff0c;\u4e00\u4e2a Connection \u4e0d\u4f1a\u51ed\u7a7a\u4ea7\u751f\u3002\u6bcf\u4e00\u4e2a\u65b0\u7684\u5ba2\u6237\u7aef\u8fde\u63a5&#xff0c;\u90fd\u5fc5\u987b\u7ecf\u8fc7\u4e00\u4e2a\u201c\u5165\u53e3\u201d\u624d\u80fd\u88ab\u7cfb\u7edf\u63a5\u7eb3&#xff0c;\u7ee7\u800c\u521b\u5efa\u51fa\u5bf9\u5e94\u7684 Connection \u5bf9\u8c61\u5e76\u6ce8\u518c\u5230 EventLoop \u7684\u4e8b\u4ef6\u76d1\u63a7\u4e2d\u3002\u8fd9\u4e2a\u201c\u5165\u53e3\u201d&#xff0c;\u5c31\u662f\u672c\u8282\u7684\u4e3b\u89d2\u2014\u2014Acceptor\u3002<\/p>\n<p>Acceptor \u7684\u804c\u8d23\u975e\u5e38\u7eaf\u7cb9&#xff1a;\u76d1\u542c\u6307\u5b9a\u7684\u7aef\u53e3&#xff0c;\u63a5\u6536\u65b0\u8fde\u63a5&#xff0c;\u5c06\u65b0\u8fde\u63a5\u8f6c\u4ea4\u7ed9\u4e0a\u5c42\u5904\u7406\u3002\u5b83\u4e0d\u5173\u5fc3\u6570\u636e\u5185\u5bb9&#xff0c;\u4e0d\u53c2\u4e0e\u4e1a\u52a1\u903b\u8f91&#xff0c;\u53ea\u8d1f\u8d23\u4e00\u4ef6\u4e8b\u2014\u2014\u6253\u5f00\u5927\u95e8&#xff0c;\u8fce\u63a5\u8bbf\u5ba2\u3002<\/p>\n<p>\u5728\u5b9e\u73b0\u601d\u8def\u4e0a&#xff0c;Acceptor \u672c\u8eab\u4e5f\u662f\u4e00\u4e2a Channel \u7684\u4f7f\u7528\u8005\u3002\u5b83\u5c06\u81ea\u5df1\u6301\u6709\u7684\u76d1\u542c socket \u5c01\u88c5\u6210\u4e00\u4e2a Channel&#xff0c;\u6ce8\u518c\u5230 EventLoop \u4e2d&#xff0c;\u5e76\u8bbe\u7f6e\u8bfb\u4e8b\u4ef6\u56de\u8c03\u3002\u5f53\u65b0\u8fde\u63a5\u5230\u8fbe\u65f6&#xff0c;EventLoop \u68c0\u6d4b\u5230\u76d1\u542c socket \u53ef\u8bfb&#xff0c;\u4fbf\u4f1a\u8c03\u7528 Acceptor \u7684\u56de\u8c03\u51fd\u6570&#xff0c;\u540e\u8005\u901a\u8fc7 accept() \u83b7\u53d6\u65b0\u8fde\u63a5\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u518d\u901a\u8fc7\u7528\u6237\u8bbe\u7f6e\u7684\u56de\u8c03\u51fd\u6570\u5c06\u65b0\u8fde\u63a5\u4ea4\u7ed9\u4e0a\u5c42\u5904\u7406\u3002<\/p>\n<p>\u4e3a\u4e86\u66f4\u6e05\u6670\u5730\u9610\u8ff0\u8fd9\u4e00\u6a21\u5757\u7684\u8bbe\u8ba1&#xff0c;\u6211\u4eec\u53ef\u4ee5\u63d0\u51fa\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898&#xff1a;\u4e3a\u4ec0\u4e48 Acceptor \u4e0d\u76f4\u63a5\u5728\u6784\u9020\u51fd\u6570\u4e2d\u542f\u52a8\u8bfb\u4e8b\u4ef6\u76d1\u63a7&#xff1f;<\/p>\n<p>\u7b54\u6848\u662f\u2014\u2014\u5982\u679c\u6784\u9020\u51fd\u6570\u4e2d\u542f\u52a8\u4e86\u8bfb\u4e8b\u4ef6\u76d1\u63a7&#xff0c;\u4e00\u65e6\u6709\u65b0\u8fde\u63a5\u5728\u6784\u9020\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\u3001\u56de\u8c03\u51fd\u6570\u8bbe\u7f6e\u4e4b\u524d\u5230\u8fbe&#xff0c;Channel \u5c31\u4f1a\u89e6\u53d1\u8bfb\u4e8b\u4ef6\u5e76\u8c03\u7528\u5c1a\u672a\u8bbe\u7f6e\u7684\u56de\u8c03\u51fd\u6570&#xff0c;\u5bfc\u81f4\u65b0\u8fde\u63a5\u65e0\u6cd5\u88ab\u6b63\u786e\u5904\u7406&#xff0c;\u751a\u81f3\u9020\u6210\u8d44\u6e90\u6cc4\u6f0f\u3002\u56e0\u6b64&#xff0c;\u6211\u4eec\u5c06 Listen() \u4e0e SetAcceptCallback() \u5206\u79bb&#xff0c;\u5f3a\u5236\u7528\u6237\u5728\u8bbe\u7f6e\u597d\u56de\u8c03\u51fd\u6570\u540e&#xff0c;\u518d\u663e\u5f0f\u5730\u542f\u52a8\u76d1\u542c\u3002\u8fd9\u662f API \u8bbe\u8ba1\u4e2d\u4e00\u4e2a\u5fae\u5c0f\u4f46\u81f3\u5173\u91cd\u8981\u7684\u7ec6\u8282\u3002<\/p>\n<p>\u672c\u6587\u5c06\u4ece Acceptor \u7684\u8bbe\u8ba1\u76ee\u6807\u51fa\u53d1&#xff0c;\u9010\u6b65\u62c6\u89e3\u5176\u63a5\u53e3\u8bbe\u8ba1\u3001\u6838\u5fc3\u5b9e\u73b0\u4ee5\u53ca\u4e0e EventLoop \u548c LoopThread \u7684\u534f\u4f5c\u5173\u7cfb\u3002\u540c\u65f6&#xff0c;\u6211\u4eec\u8fd8\u4f1a\u8ba8\u8bba Acceptor \u5982\u4f55\u4e0e\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u63d0\u5230\u7684 Connection \u6a21\u5757\u8854\u63a5&#xff0c;\u5171\u540c\u6784\u6210\u670d\u52a1\u5668\u8fde\u63a5\u7ba1\u7406\u7684\u5b8c\u6574\u94fe\u8def\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4ece\u6700\u57fa\u7840\u7684\u63a5\u53e3\u8bbe\u8ba1\u5f00\u59cb&#xff0c;\u4e00\u6b65\u6b65\u6784\u5efa\u8fd9\u4e2a\u7f51\u7edc\u5e93\u7684&#034;\u5927\u95e8&#034;\u3002<\/p>\n<h2>Acceptor\u7c7b\u7684\u8bbe\u8ba1\u601d\u60f3<\/h2>\n<p>\u5728\u6df1\u5165\u4ee3\u7801\u4e4b\u524d&#xff0c;\u6211\u4eec\u5148\u660e\u786e Acceptor \u7684\u8bbe\u8ba1\u76ee\u6807\u3002\u5b83\u7684\u804c\u8d23\u53ef\u4ee5\u6982\u62ec\u4e3a\u4ee5\u4e0b\u4e09\u70b9&#xff1a;<\/p>\n<li>\u521b\u5efa\u76d1\u542c\u5957\u63a5\u5b57&#xff1a;\u7ed1\u5b9a\u6307\u5b9a\u7aef\u53e3&#xff0c;\u5f00\u59cb\u76d1\u542c\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42<\/li>\n<li>\u4e8b\u4ef6\u76d1\u63a7\u4e0e\u7ba1\u7406&#xff1a;\u5c06\u76d1\u542c\u5957\u63a5\u5b57\u6ce8\u518c\u5230 EventLoop \u7684\u4e8b\u4ef6\u76d1\u63a7\u4f53\u7cfb\u4e2d<\/li>\n<li>\u65b0\u8fde\u63a5\u7684\u63a5\u6536\u4e0e\u5206\u53d1&#xff1a;\u5f53\u6709\u65b0\u8fde\u63a5\u5230\u8fbe\u65f6&#xff0c;\u63a5\u53d7\u8fde\u63a5\u5e76\u5c06\u65b0\u8fde\u63a5\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u4ea4\u7ed9\u4e0a\u5c42\u5904\u7406<\/li>\n<p>\u7b80\u5355\u6765\u8bf4&#xff0c;Acceptor \u5c31\u662f\u4e00\u4e2a\u201c\u8fde\u63a5\u5de5\u5382\u201d&#xff0c;\u5b83\u4e0d\u5173\u5fc3\u8fde\u63a5\u5efa\u7acb\u4e4b\u540e\u7684\u4e8b\u60c5&#xff0c;\u53ea\u8d1f\u8d23\u628a\u8fde\u63a5\u201c\u751f\u4ea7\u201d\u51fa\u6765&#xff0c;\u5b83\u7684\u529f\u80fd\u5c31\u662f\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u7ba1\u7406\u3002<\/p>\n<p>\u5f53\u6211\u4eec\u83b7\u53d6\u4e86\u4e00\u4e2a\u65b0\u5efa\u8fde\u63a5\u7684\u63cf\u8ff0\u7b26\u540e&#xff0c;\u9700\u8981\u4e3a\u8fd9\u4e2a\u8fde\u63a5\u5c01\u88c5\u4e00\u4e2a Connection \u5bf9\u8c61&#xff0c;\u5e76\u8bbe\u7f6e\u4e0d\u540c\u56de\u8c03\u3002\u4f46\u662f\u56e0\u4e3a Acceptor \u6a21\u5757\u672c\u8eab\u5e76\u4e0d\u77e5\u9053\u4e00\u4e2a\u8fde\u63a5\u4ea7\u751f\u4e86\u4e8b\u4ef6\u8be5\u5982\u4f55\u5904\u7406&#xff0c;\u56e0\u6b64\u83b7\u53d6\u4e00\u4e2a\u901a\u4fe1\u8fde\u63a5\u540e&#xff0c;Connection \u7684\u5c01\u88c5\u4ee5\u53ca\u4e8b\u4ef6\u56de\u8c03\u51fd\u6570\u7684\u8bbe\u7f6e\u90fd\u5e94\u8be5\u7531\u670d\u52a1\u5668\u6a21\u5757\u6765\u8bbe\u7f6e\u3002<\/p>\n<p>\u5f53\u65b0\u8fde\u63a5\u5230\u8fbe\u65f6&#xff0c;\u5b83\u901a\u8fc7 accept() \u83b7\u53d6\u65b0\u8fde\u63a5\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u7136\u540e\u9700\u8981\u5c06\u8fd9\u4e2a fd \u4ea4\u7ed9\u4e0a\u5c42\u5904\u7406\u3002\u8fd9\u4e5f\u4ee3\u8868\u7740\u6211\u4eec\u9700\u8981\u7684\u56de\u8c03\u51fd\u6570&#xff08;\u56e0\u4e3a\u56de\u8c03\u5c31\u662f\u6211\u4eec\u4f20\u7ed9\u4e0a\u5c42\u7684\u9014\u5f84&#xff09;\u7684\u51fd\u6570\u7c7b\u578b&#xff0c;\u53c2\u6570\u5fc5\u987b\u4f20\u5165\u4e00\u4e2a int \u7c7b\u578b&#xff0c;\u4ee3\u8868\u4e00\u4e2a newfd\u3002<\/p>\n<p>class Acceptor<br \/>\n{<br \/>\nprivate:<br \/>\n    Socket _socket;   \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u5bf9\u8c61&#xff0c;\u8d1f\u8d23\u5e95\u5c42\u7684 socket \u64cd\u4f5c<br \/>\n    EventLoop *_loop; \/\/ \u4e8b\u4ef6\u5faa\u73af\u6307\u9488&#xff0c;\u7528\u4e8e\u6ce8\u518c\u548c\u79fb\u9664\u4e8b\u4ef6\u76d1\u63a7,\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7<br \/>\n    Channel _channel; \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u7684\u4e8b\u4ef6\u7ba1\u7406&#xff0c;\u5c06 socket \u548c\u4e8b\u4ef6\u56de\u8c03\u7ed1\u5b9a<\/p>\n<p>    using AcceptCallback &#061; std::function&lt;void(Socket)&gt;;\/\/\u6211\u4eec\u7684socket\u7684Accept\u662f\u8fd4\u56de\u4e00\u4e2aSocket\u7c7b\u578b\u5bf9\u8c61<br \/>\n    AcceptCallback _accept_callback; \/\/ \u65b0\u8fde\u63a5\u5230\u8fbe\u65f6\u7684\u56de\u8c03\u51fd\u6570<br \/>\npublic:<br \/>\n};<\/p>\n<p>\u9010\u4e2a\u5206\u6790\u8fd9\u4e9b\u6210\u5458\u7684\u4f5c\u7528&#xff1a;<\/p>\n<p>Socket _socket&#xff1a;\u5c01\u88c5\u4e86\u5e95\u5c42\u7684 socket \u7cfb\u7edf\u8c03\u7528&#xff0c;\u63d0\u4f9b\u4e86 CreateServer\u3001Accept \u7b49\u63a5\u53e3\u3002\u5b83\u662f Acceptor \u4e0e\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u4ea4\u4e92\u7684\u6865\u6881\u3002 EventLoop *_loop&#xff1a;\u6307\u5411\u5f53\u524d Acceptor \u6240\u5c5e\u7684\u4e8b\u4ef6\u5faa\u73af\u3002Acceptor \u9700\u8981\u5c06\u81ea\u5df1\u7684 Channel \u6ce8\u518c\u5230 _loop \u4e2d&#xff0c;\u624d\u80fd\u5f00\u59cb\u63a5\u6536\u65b0\u8fde\u63a5\u7684\u4e8b\u4ef6\u901a\u77e5\u3002 Channel _channel&#xff1a;\u5c06\u76d1\u542c socket \u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0e\u4e8b\u4ef6\u56de\u8c03\u7ed1\u5b9a\u5728\u4e00\u8d77\u3002\u5f53 epoll_wait \u8fd4\u56de\u76d1\u542c socket \u53ef\u8bfb\u65f6&#xff0c;EventLoop \u4f1a\u8c03\u7528 _channel \u7684 HandleEvent \u65b9\u6cd5&#xff0c;\u8fdb\u800c\u89e6\u53d1\u6211\u4eec\u8bbe\u7f6e\u7684\u8bfb\u4e8b\u4ef6\u56de\u8c03\u3002<\/p>\n<p>AcceptCallback _accept_callback&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u7531\u4e0a\u5c42&#xff08;\u901a\u5e38\u662f TcpServer&#xff09;\u8bbe\u7f6e\u7684\u56de\u8c03\u51fd\u6570\u3002\u5f53\u6709\u65b0\u8fde\u63a5\u5230\u8fbe\u65f6&#xff0c;Acceptor \u4f1a\u8c03\u7528\u6b64\u56de\u8c03&#xff0c;\u5c06\u65b0\u8fde\u63a5\u7684 socket \u4f20\u9012\u7ed9\u4e0a\u5c42&#xff0c;\u7531\u4e0a\u5c42\u521b\u5efa\u5bf9\u5e94\u7684 Connection \u5bf9\u8c61\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u91cd\u8981\u7684\u8bbe\u8ba1\u51b3\u7b56&#xff1a;\u4e3a\u4ec0\u4e48 Acceptor \u4e0d\u76f4\u63a5\u521b\u5efa Connection \u5bf9\u8c61&#xff1f;<\/p>\n<p>\u7b54\u6848\u662f\u2014\u2014\u804c\u8d23\u5206\u79bb\u3002Acceptor \u53ea\u8d1f\u8d23&#034;\u63a5\u53d7\u8fde\u63a5&#034;\u8fd9\u4e00\u4ef6\u4e8b&#xff0c;\u800c Connection \u7684\u521b\u5efa\u6d89\u53ca\u534f\u8bae\u9009\u62e9\u3001\u56de\u8c03\u8bbe\u7f6e\u3001\u4e0a\u4e0b\u6587\u521d\u59cb\u5316\u7b49\u590d\u6742\u903b\u8f91&#xff0c;\u8fd9\u4e9b\u5e94\u5f53\u7531\u66f4\u4e0a\u5c42\u7684 TcpServer \u6216\u4e1a\u52a1\u4ee3\u7801\u6765\u51b3\u5b9a\u3002\u901a\u8fc7\u56de\u8c03\u7684\u65b9\u5f0f&#xff0c;\u6211\u4eec\u5c06\u8fde\u63a5\u7684&#034;\u63a5\u53d7&#034;\u4e0e&#034;\u521b\u5efa&#034;\u89e3\u8026&#xff0c;\u4f7f Acceptor \u6210\u4e3a\u4e00\u4e2a\u53ef\u590d\u7528\u7684\u901a\u7528\u7ec4\u4ef6\u3002<\/p>\n<hr \/>\n<p>\u53e6\u5916&#xff0c;_accept_callback \u9700\u8981\u88ab\u5916\u5c42\u8bbe\u7f6e&#xff0c;\u6240\u4ee5\u6211\u4eec\u8981\u6709\u4e00\u4e2a\u63a5\u53e3\u6765\u8bbe\u7f6e\u5b83\u3002\u800c\u5b83\u5982\u4f55\u88ab\u8c03\u7528\u5462&#xff1f;\u90a3\u5c31\u662f\u901a\u8fc7 Acceptor \u7684\u8bfb\u4e8b\u4ef6\u56de\u8c03 HandleRead \u4e86\u3002 \u5f53 Acceptor \u7684\u8bfb\u56de\u8c03\u88ab\u89e6\u53d1&#xff0c;\u5c31\u4ee3\u8868\u6709\u4e86\u65b0\u8fde\u63a5&#xff0c;\u6211\u4eec\u5e94\u8be5\u63a5\u6536\u5e76\u8c03\u7528 _accept_callback\u3002 \u800c\u516c\u5f00\u63a5\u53e3\u7684\u8bbe\u8ba1\u4e5f\u6bd4\u8f83\u7b80\u6d01&#xff0c;\u9664\u4e86\u6784\u9020\u51fd\u6570\u5916&#xff0c;\u5c31\u53ea\u6709\u4e00\u4e2a\u63a5\u53e3\u6765\u8bbe\u7f6e _accept_callback&#xff0c;\u4ee5\u53ca\u542f\u52a8\u76d1\u542c\u4e8b\u4ef6\u3002 \u5bf9\u4e8e\u6784\u9020\u51fd\u6570\u6765\u8bf4&#xff0c;\u9700\u8981\u5916\u754c\u81f3\u5c11\u4f20\u5165\u4e00\u4e2a\u6b63\u786e\u7684EventLoop\u6307\u9488&#xff0c;\u548c\u4e00\u4e2a\u7aef\u53e3\u53f7&#xff0c;\u624d\u80fd\u5b8c\u6210socket\u7684\u670d\u52a1\u7aef\u8fde\u63a5\u521b\u5efa\u7684\u5de5\u4f5c\u3002<\/p>\n<p>class Acceptor<br \/>\n{<br \/>\nprivate:<br \/>\n    Socket _socket;   \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u5bf9\u8c61&#xff0c;\u8d1f\u8d23\u5e95\u5c42\u7684 socket \u64cd\u4f5c<br \/>\n    EventLoop *_loop; \/\/ \u4e8b\u4ef6\u5faa\u73af\u6307\u9488&#xff0c;\u7528\u4e8e\u6ce8\u518c\u548c\u79fb\u9664\u4e8b\u4ef6\u76d1\u63a7,\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7<br \/>\n    Channel _channel; \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u7684\u4e8b\u4ef6\u7ba1\u7406&#xff0c;\u5c06 socket \u548c\u4e8b\u4ef6\u56de\u8c03\u7ed1\u5b9a<\/p>\n<p>    using AcceptCallback &#061; std::function&lt;void(int)&gt;;<br \/>\n    AcceptCallback _accept_callback; \/\/ \u65b0\u8fde\u63a5\u5230\u8fbe\u65f6\u7684\u56de\u8c03\u51fd\u6570<br \/>\nprivate:<br \/>\n    void HandleRead();<\/p>\n<p>public:<br \/>\n    Acceptor(EventLoop *loop,int port);<br \/>\n    \/\/ \u8bbe\u7f6e\u65b0\u8fde\u63a5\u5230\u8fbe\u65f6\u7684\u56de\u8c03\u51fd\u6570<br \/>\n    void SetAcceptCallBack();<\/p>\n<p>    \/\/ \u542f\u52a8\u76d1\u542c&#xff1a;\u5c06 Channel \u6ce8\u518c\u5230 EventLoop&#xff0c;\u5f00\u542f\u8bfb\u4e8b\u4ef6\u76d1\u63a7<br \/>\n    void Listen();<br \/>\n};<\/p>\n<hr \/>\n<h2>Acceptor\u7c7b\u7684\u5b9e\u73b0<\/h2>\n<p>\u63a5\u4e0b\u6765\u5c31\u662f\u6211\u4eec Acceptor \u7c7b\u7684\u6784\u9020\u51fd\u6570\u7684\u5b9e\u73b0&#xff0c;\u8fd9\u91cc\u5c31\u6709\u4e00\u4e2a\u7ec6\u8282&#xff1a;\u6784\u9020\u51fd\u6570\u4e2d&#xff0c;\u521d\u59cb\u5316\u5217\u8868\u7684\u521d\u59cb\u5316\u987a\u5e8f\u95ee\u9898\u3002<\/p>\n<p>\u5728 C&#043;&#043; \u4e2d&#xff0c;\u6210\u5458\u53d8\u91cf\u7684\u521d\u59cb\u5316\u987a\u5e8f\u6309\u7167\u58f0\u660e\u987a\u5e8f&#xff0c;\u800c\u975e\u521d\u59cb\u5316\u5217\u8868\u7684\u987a\u5e8f\u3002\u4f46\u662f\u8fd9\u5c31\u6709\u4e2a\u95ee\u9898&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260827225622-6a90c0967e26d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u6211\u4eec\u7684 socket \u8be5\u5982\u4f55\u521d\u59cb\u5316\u5462&#xff1f;<\/p>\n<p>\u6ca1\u6709\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\u7684\u7c7b\u578b\u53d8\u91cf&#xff0c;\u5fc5\u987b\u5728\u6784\u9020\u51fd\u6570\u7684\u521d\u59cb\u5316\u5217\u8868\u4e2d\u5b8c\u6210\u521d\u59cb\u5316&#xff0c;\u6211\u4eec\u7684_channel\u6b63\u597d\u5c31\u662f\u4e00\u4e2a\u6ca1\u6709\u9ed8\u8ba4\u6784\u9020\u7684\u53d8\u91cf\u3002<\/p>\n<p>\u5b83\u7684\u6784\u9020\u6761\u4ef6\u662f\u6709 EventLoop \u548c\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u4f46\u662f\u8fd9\u4e2a\u63cf\u8ff0\u7b26\u6309\u7406\u6765\u8bf4\u9700\u8981\u7531 socket \u6765\u8c03\u7528 CreateServer \u6765\u521b\u5efa\u4e00\u4e2a\u670d\u52a1\u7aef\u7684\u8fde\u63a5\u624d\u80fd\u83b7\u5f97\u4e00\u4e2a\u6709\u6548\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u529e\u6cd5&#xff0c;\u90a3\u5c31\u662f\u4f60\u53ef\u4ee5\u8c03\u7528\u4e00\u4e2a\u8f85\u52a9\u63a5\u53e3&#xff0c;\u5728\u8fd9\u4e2a\u63a5\u53e3\u51fd\u6570\u4e2d&#xff0c;\u4f1a\u5148\u8c03\u7528 _socket \u7684 CreateServer&#xff0c;\u8ba9 socket \u521b\u5efa\u6709\u6548\u7684\u670d\u52a1\u7aef\u8fde\u63a5&#xff0c;\u8fd9\u4e2a\u65f6\u5019\u518d\u8fd4\u56de socket \u7684 fd \u5145\u5f53\u6784\u9020\u51fd\u6570\u7684 socket \u7684\u4f20\u5165\u53c2\u6570&#xff0c;\u8fd9\u6837 socket \u5c31\u521d\u59cb\u5316\u5b8c\u6bd5\u4e86&#xff0c;\u53ef\u4ee5\u4e3a\u540e\u9762\u7684 channel \u63d0\u4f9b\u53c2\u6570&#xff0c;\u5373&#xff1a;<\/p>\n<p>class Acceptor<br \/>\n{<br \/>\nprivate:<\/p>\n<p>    int CreateServer(int port)<br \/>\n    {<br \/>\n        bool ret &#061; _socket.CreateServer(port);<br \/>\n        assert(ret &#061;&#061; true);<br \/>\n        return _socket.Fd();<br \/>\n    }<\/p>\n<p>public:<br \/>\n    Acceptor(EventLoop *loop,int port):_socket(CreateServer(port)),<br \/>\n    _loop(loop),_channel(loop,_socket.Fd())<br \/>\n    {<br \/>\n    _channel.SetReadCallback(std::bind(&amp;Acceptor::HandleRead, this));<br \/>\n    }<br \/>\n};<\/p>\n<p>\u4f46\u662f&#xff0c;\u8fd9\u6837\u5199\u662f\u4e0d\u89c4\u8303\u7684\u3002\u7684\u786e\u53ef\u4ee5\u8fbe\u6210\u54b1\u4eec\u60f3\u8981\u7684\u8fd9\u4e2a\u6548\u679c&#xff0c;\u4f46\u8fd9\u91cc\u5176\u5b9e\u662f\u672a\u5b9a\u4e49\u884c\u4e3a&#xff0c;\u56e0\u4e3a\u8fd9\u4e2asocket\u5bf9\u8c61\u8fd8\u6ca1\u6784\u9020\u5b8c\u6210\u5c31\u8c03\u7528&#xff0c;\u4f46\u4e3a\u4ec0\u4e48\u6ca1\u6709\u5d29\u6e83\u5462&#xff0c;\u662f\u56e0\u4e3a _socket\u662fAcceptor\u7684\u6210\u5458&#xff0c;\u8fd9\u4e2a\u5bf9\u8c61\u7a7a\u95f4\u5df2\u7ecf\u5f00\u8f9f\u597d\u4e86&#xff0c;\u53ea\u4e0d\u8fc7\u8fd8\u6ca1\u6709\u901a\u8fc7\u6784\u9020\u51fd\u6570\u53bb\u521d\u59cb\u5316\u5b83\u7684\u6210\u5458&#xff0c;\u6240\u4ee5\u901a\u8fc7 _socket\u53bb\u8c03\u7528\u6210\u5458\u51fd\u6570&#xff0c;\u6216\u8bbf\u95ee\u6210\u5458\u53d8\u91cf\u6ca1\u6709\u62a5\u9519\u3002<\/p>\n<p>\u8fd9\u91cc\u8981\u91cd\u6e29\u4e00\u4e0b&#xff0c;\u5982\u679c\u4e00\u4e2aa\u7c7b\u4e2d\u5305\u542b\u4e86\u4e00\u4e2ab\u7c7b\u5bf9\u8c61&#xff0c;\u90a3\u4e48\u4e00\u5f00\u59cb\u521b\u5efa\u4e00\u4e2aa\u7c7b\u5bf9\u8c61\u53ea\u4f1a\u4e3a\u5176\u5206\u914d\u8db3\u591f\u7684\u7a7a\u95f4&#xff0c;\u8fd9\u4e2a\u65f6\u5019\u662f\u5185\u5b58\u5df2\u5206\u914d&#xff0c;\u4f46\u672a\u521d\u59cb\u5316&#xff08;\u539f\u59cb\u5783\u573e\u6570\u636e&#xff09;\u3002<\/p>\n<p>\u968f\u540e\u8fdb\u884c\u6784\u9020\u51fd\u6570\u903b\u8f91&#xff0c;\u5148\u662f\u6784\u9020\u51fd\u6570\u7684\u521d\u59cb\u5316\u5217\u8868&#xff0c;\u5982\u679cb\u6ca1\u6709\u9ed8\u8ba4\u6784\u9020&#xff0c;\u5c31\u8981\u6c42b\u5fc5\u987b\u5199\u5728a\u7684\u521d\u59cb\u5316\u5217\u8868\u91cc\u8fdb\u884c\u6709\u53c2\u6784\u9020\u3002\u5982\u679c\u6709\u9ed8\u8ba4\u6784\u9020&#xff0c;\u54ea\u6015\u6ca1\u663e\u5f0f\u628ab\u5199\u5728\u521d\u59cb\u5316\u5217\u8868&#xff0c;\u4e5f\u4f1a\u9ed8\u8ba4\u8c03\u7528b\u7684\u9ed8\u8ba4\u6784\u9020\u3002\u5728b\u7684\u6784\u9020\u5b8c\u6210\u524d&#xff0c;\u90fd\u662f\u5904\u4e8e\u4e00\u79cd\u672a\u521d\u59cb\u5316\u7684\u72b6\u6001\u3002<\/p>\n<p>\u53ea\u6709\u5728\u5176\u8c03\u7528\u4e86\u81ea\u5df1\u6784\u9020\u5b8c\u6210\u4e4b\u540e&#xff0c;\u624d\u662f\u521d\u59cb\u5316\u5b8c\u6bd5\u3002<\/p>\n<p>\u6211\u4eec\u8fd9\u91cc\u5c31\u6709\u70b9\u5361bug\u4e86&#xff0c;\u5728\u8c03\u7528socket\u7684\u6709\u53c2\u6784\u9020\u7684\u65f6\u5019&#xff0c;\u987a\u4fbf\u901a\u8fc7\u6211\u4eec\u7684CreateServer\u8c03\u7528\u4e86socket\u7684CreateServer&#xff0c;\u8981\u77e5\u9053\u8fd9\u4e2a\u65f6\u5019socket\u53ef\u662f\u6ca1\u6709\u88ab\u521d\u59cb\u5316\u7684\u3002<\/p>\n<p>\u5728\u5bf9\u8bed\u6cd5\u638c\u63e1\u4e0d\u7262\u56fa\u7684\u65f6\u5019&#xff0c;\u5c31\u4e0d\u8981\u8fd9\u6837\u5199\u3002<\/p>\n<p>\u6240\u4ee5\u6709\u53e6\u5916\u4e00\u79cd\u5199\u6cd5&#xff0c;\u90a3\u5c31\u662f\u5148\u7ed9channel\u4e00\u4e2a\u65e0\u6548\u7684fd&#xff0c;\u6bd4\u5982-1\u3002<\/p>\n<p>\u968f\u540e\u5728\u6784\u9020\u51fd\u6570\u6b63\u6587\u4e2d\u5148\u8c03\u7528socket\u7684CreateServer&#xff0c;\u518d\u8ba9channel\u7684fd\u4fee\u6539\u6210socket\u7684fd\u3002<\/p>\n<p>\u6211\u4eec\u539f\u672c\u7684channel\u5bf9\u8c61\u91cc\u662f\u6ca1\u6709\u8fd9\u4e2a\u63a5\u53e3\u7684&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u7ed9channel\u65b0\u589e\u4e00\u4e2aSetFd\u63a5\u53e3&#xff1a;<\/p>\n<p>class Channel<br \/>\n{<br \/>\nprivate:<br \/>\n    int _fd;           \/\/ \u5f53\u524dChannel\u5bf9\u5e94\u7684\u8fde\u63a5\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/p>\n<p>public:<\/p>\n<p>    \/\/\u65b0\u589e\u4e00\u4e2a\u6539\u53d8Fd\u7684\u63a5\u53e3<br \/>\n    void SetFd(int fd)<br \/>\n    {<\/p>\n<p>        \/\/ \u5982\u679c\u5f53\u524d fd \u5df2\u7ecf\u5728\u76d1\u63a7\u4e2d&#xff0c;\u9700\u8981\u5148\u79fb\u9664<br \/>\n        if (_fd !&#061; -1)<br \/>\n        {<br \/>\n            Remove(); \/\/ \u4ece EventLoop \u7684 epoll \u4e2d\u79fb\u9664<br \/>\n        }<br \/>\n        _fd &#061; fd;<br \/>\n        \/\/ \u5982\u679c fd \u6709\u6548&#xff0c;\u91cd\u7f6e\u4e8b\u4ef6\u72b6\u6001<br \/>\n        if (_fd !&#061; -1)<br \/>\n        {<br \/>\n            _events &#061; 0; \/\/ \u91cd\u7f6e\u5173\u6ce8\u7684\u4e8b\u4ef6<br \/>\n            \/\/ \u6ce8\u610f&#xff1a;\u8fd9\u91cc\u4e0d\u5e94\u8be5\u81ea\u52a8\u6ce8\u518c\u5230 epoll<br \/>\n            \/\/ \u5e94\u8be5\u7531\u8c03\u7528\u8005\u901a\u8fc7 EnableRead\/EnableWrite \u663e\u5f0f\u542f\u52a8<br \/>\n        }<br \/>\n    }<\/p>\n<p>};<\/p>\n<p>\u968f\u540e\u6784\u9020\u51fd\u6570\u5c31\u80fd\u6539\u6210&#xff1a;<\/p>\n<p>     Acceptor(EventLoop *loop, int port) :_loop(loop),_channel(loop,-1)<br \/>\n     {<br \/>\n         \/\/ \u5728\u6784\u9020\u51fd\u6570\u4f53\u4e2d\u5b8c\u6210 socket \u521b\u5efa<br \/>\n        bool ret &#061; _socket.CreateServer(port);<br \/>\n        assert(ret &#061;&#061; true);<\/p>\n<p>        \/\/ \u8bbe\u7f6e channel \u7684 fd \u548c\u56de\u8c03<br \/>\n        _channel.SetFd(_socket.Fd());<br \/>\n        _channel.SetReadCallback(std::bind(&amp;Acceptor::HandleRead, this));<br \/>\n     }<\/p>\n<hr \/>\n<p>\u4f60\u53ef\u80fd\u6ce8\u610f\u5230&#xff0c;Acceptor \u7684 Channel \u53ea\u542f\u7528\u4e86\u8bfb\u4e8b\u4ef6\u76d1\u63a7&#xff08;EnableRead&#xff09;&#xff0c;\u800c\u6ca1\u6709\u542f\u7528\u5199\u4e8b\u4ef6\u76d1\u63a7&#xff08;EnableWrite&#xff09;\u3002<\/p>\n<p>\u8fd9\u662f\u56e0\u4e3a\u76d1\u542c socket \u6c38\u8fdc\u53ea\u5173\u5fc3&#034;\u6709\u65b0\u8fde\u63a5\u5230\u8fbe&#034;\u8fd9\u4e00\u4ef6\u4e8b\u3002\u65b0\u8fde\u63a5\u7684\u5230\u8fbe\u5728\u5185\u6838\u4e2d\u8868\u73b0\u4e3a\u76d1\u542c socket \u7684&#034;\u53ef\u8bfb&#034;\u72b6\u6001&#xff0c;\u56e0\u6b64\u53ea\u9700\u8981\u76d1\u63a7 EPOLLIN \u4e8b\u4ef6\u3002\u5199\u4e8b\u4ef6\u5bf9\u4e8e\u76d1\u542c socket \u6765\u8bf4\u6ca1\u6709\u610f\u4e49\u2014\u2014\u5b83\u4e0d\u9700\u8981\u53d1\u9001\u6570\u636e\u3002<\/p>\n<p>Acceptor \u672c\u8eab\u5e76\u4e0d\u4e3b\u52a8\u505a\u4efb\u4f55\u4e8b\u60c5&#xff0c;\u5b83\u662f\u88ab\u52a8\u7684\u2014\u2014\u5b83\u7684\u6240\u6709\u5de5\u4f5c\u90fd\u7531 EventLoop \u9a71\u52a8\u3002\u5b8c\u6574\u7684\u534f\u4f5c\u6d41\u7a0b\u5982\u4e0b&#xff1a;<\/p>\n<p>1. \u7528\u6237\u521b\u5efa Acceptor \u5bf9\u8c61<br \/>\n   \u2193<br \/>\n2. \u7528\u6237\u8bbe\u7f6e _accept_callback<br \/>\n   \u2193<br \/>\n3. \u7528\u6237\u8c03\u7528 Listen()&#xff0c;_channel.EnableRead()<br \/>\n   \u2193<br \/>\n4. EventLoop::Start() \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af<br \/>\n   \u2193<br \/>\n5. Poller::Poll() \u901a\u8fc7 epoll_wait \u76d1\u63a7\u6240\u6709 Channel<br \/>\n   \u2193<br \/>\n6. \u65b0\u8fde\u63a5\u5230\u8fbe&#xff0c;epoll_wait \u8fd4\u56de\u76d1\u542c socket \u7684 EPOLLIN \u4e8b\u4ef6<br \/>\n   \u2193<br \/>\n7. EventLoop \u904d\u5386\u6d3b\u8dc3 Channel&#xff0c;\u8c03\u7528 channel-&gt;HandleEvent()<br \/>\n   \u2193<br \/>\n8. Channel::HandleEvent() \u68c0\u6d4b\u5230 _revents &amp; EPOLLIN<br \/>\n   \u2193<br \/>\n9. \u8c03\u7528 _read_callback()&#xff0c;\u5373 Acceptor::HandleRead()<br \/>\n   \u2193<br \/>\n10. Acceptor::HandleRead() \u8c03\u7528 _socket.Accept() \u83b7\u53d6\u65b0\u8fde\u63a5<br \/>\n   \u2193<br \/>\n11. \u8c03\u7528 _accept_callback(newfd)&#xff0c;\u5c06\u65b0\u8fde\u63a5\u4ea4\u7ed9\u4e0a\u5c42<br \/>\n   \u2193<br \/>\n12. \u4e0a\u5c42\u521b\u5efa Connection \u5bf9\u8c61&#xff0c;\u6ce8\u518c\u5230 EventLoop<\/p>\n<hr \/>\n<p>\u8bf4\u4e86\u8fd9\u4e48\u591a&#xff0c;\u6240\u4ee5handleRead\u4e0eListen\u7684\u529f\u80fd\u5176\u5b9e\u4e5f\u8bf4\u7684\u5f88\u660e\u767d\u4e86&#xff0c;handleread\u4f1a\u83b7\u53d6\u65b0\u8fde\u63a5&#xff0c;\u5e76\u628a\u5b83\u4ea4\u7ed9\u4e0a\u5c42\u2014\u2014\u901a\u8fc7\u4e0a\u5c42\u8bbe\u7f6e\u7684\u4e8b\u4ef6\u56de\u8c03:<\/p>\n<p>class Acceptor<br \/>\n{<br \/>\nprivate:<br \/>\n    Socket _socket;   \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u5bf9\u8c61&#xff0c;\u8d1f\u8d23\u5e95\u5c42\u7684 socket \u64cd\u4f5c<br \/>\n    EventLoop *_loop; \/\/ \u4e8b\u4ef6\u5faa\u73af\u6307\u9488&#xff0c;\u7528\u4e8e\u6ce8\u518c\u548c\u79fb\u9664\u4e8b\u4ef6\u76d1\u63a7,\u5bf9\u76d1\u542c\u5957\u63a5\u5b57\u8fdb\u884c\u4e8b\u4ef6\u76d1\u63a7<br \/>\n    Channel _channel; \/\/ \u76d1\u542c\u5957\u63a5\u5b57\u7684\u4e8b\u4ef6\u7ba1\u7406&#xff0c;\u5c06 socket \u548c\u4e8b\u4ef6\u56de\u8c03\u7ed1\u5b9a<\/p>\n<p>    using AcceptCallback &#061; std::function&lt;void(Socket)&gt;;<br \/>\n    AcceptCallback _accept_callback; \/\/ \u65b0\u8fde\u63a5\u5230\u8fbe\u65f6\u7684\u56de\u8c03\u51fd\u6570<br \/>\nprivate:<br \/>\n    void HandleRead()<br \/>\n    {<br \/>\n        Socket newfd &#061; _socket.Accept();<\/p>\n<p>        if (newfd.Fd() &lt; 0)<br \/>\n        {<br \/>\n            return;<br \/>\n        }<br \/>\n        if (_accept_callback)<br \/>\n            _accept_callback(std::move(newfd));<br \/>\n    }<\/p>\n<p>public:<\/p>\n<p>    Acceptor(EventLoop *loop, int port) : _loop(loop), _channel(loop, -1)<br \/>\n    {<br \/>\n        \/\/ \u5728\u6784\u9020\u51fd\u6570\u4f53\u4e2d\u5b8c\u6210 socket \u521b\u5efa<br \/>\n        bool ret &#061; _socket.CreateServer(port);<br \/>\n        assert(ret &#061;&#061; true);<\/p>\n<p>        \/\/ \u8bbe\u7f6e channel \u7684 fd \u548c\u56de\u8c03<br \/>\n        _channel.SetFd(_socket.Fd());<br \/>\n        _channel.SetReadCallback(std::bind(&amp;Acceptor::HandleRead, this));<br \/>\n    }<br \/>\n    \/\/ \u8bbe\u7f6e\u65b0\u8fde\u63a5\u5230\u8fbe\u65f6\u7684\u56de\u8c03\u51fd\u6570<br \/>\n    void SetAcceptCallBack(const AcceptCallback &amp;cb)<br \/>\n    {<br \/>\n        _accept_callback &#061; cb;<br \/>\n    }<\/p>\n<p>    \/\/ \u542f\u52a8\u76d1\u542c&#xff1a;\u5c06 Channel \u6ce8\u518c\u5230 EventLoop&#xff0c;\u5f00\u542f\u8bfb\u4e8b\u4ef6\u76d1\u63a7<br \/>\n    void Listen()<br \/>\n    {<br \/>\n        _channel.EnableRead();<br \/>\n    }<br \/>\n};<\/p>\n<p>\u6ce8\u610f&#xff0c;\u8fd9\u91ccHandleRead\u4e2d&#xff0c;\u7ed9_accept_callback\u7684\u4f20\u53c2\u662f\u79fb\u52a8\u4f20\u53c2&#xff0c;\u6211\u4eec\u8fd9\u91cc\u6784\u9020\u7684\u65b0socket\u5bf9\u8c61\u4f1a\u5728\u51fd\u6570\u7ed3\u675f\u65f6\u88ab\u9500\u6bc1&#xff0c;\u6211\u4eec\u4e00\u5b9a\u8981\u8f6c\u79fb\u5176\u7684\u6240\u6709\u6743&#xff0c;\u9632\u6b62fd\u88ab\u5173\u95ed&#xff0c;\u540e\u7eed\u5c31\u4e0d\u80fd\u6b63\u5e38\u4f7f\u7528\u3002<\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u7684\u903b\u8f91\u975e\u5e38\u6e05\u6670&#xff1a;<\/p>\n<li>\u8c03\u7528 _socket.Accept() \u4ece\u5185\u6838\u7684\u5168\u8fde\u63a5\u961f\u5217\u4e2d\u53d6\u51fa\u4e00\u4e2a\u5df2\u5b8c\u6210\u7684\u5957\u63a5\u5b57<\/li>\n<li>\u5982\u679c accept() \u5931\u8d25&#xff08;\u4f8b\u5982\u6ca1\u6709\u65b0\u8fde\u63a5&#xff09;&#xff0c;\u76f4\u63a5\u8fd4\u56de<\/li>\n<li>\u5982\u679c _accept_callback \u5df2\u88ab\u8bbe\u7f6e&#xff0c;\u5c06\u65b0\u8fde\u63a5\u7684\u5957\u63a5\u5b57\u5bf9\u8c61\u4f20\u9012\u7ed9\u4e0a\u5c42<\/li>\n<p>\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;accept() \u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u65b0\u7684 socket &#xff0c;\u8fd9\u4e2a socket \u4e0e\u76d1\u542c socket \u65e0\u5173&#xff0c;\u5b83\u4ee3\u8868\u7684\u662f\u4e0e\u5ba2\u6237\u7aef\u7684\u5df2\u5efa\u7acb\u8fde\u63a5\u3002\u4e0a\u5c42\u62ff\u5230\u8fd9\u4e2a socket \u540e&#xff0c;\u901a\u5e38\u4f1a\u521b\u5efa Connection \u5bf9\u8c61&#xff0c;\u5e76\u5c06\u8be5 socket \u5c01\u88c5\u8fdb Connection \u4e2d\u8fdb\u884c\u7ba1\u7406\u3002<\/p>\n<hr \/>\n<h2>\u7ed3\u8bed<\/h2>\n<p>\u81f3\u6b64&#xff0c;\u6211\u4eec\u5b8c\u6210\u4e86 Acceptor \u6a21\u5757\u7684\u5b8c\u6574\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002\u8ba9\u6211\u4eec\u56de\u987e\u4e00\u4e0b\u8fd9\u4e2a\u6a21\u5757\u5728\u6574\u4e2a\u7f51\u7edc\u5e93\u4e2d\u7684\u5b9a\u4f4d\u4e0e\u4ef7\u503c\u3002<\/p>\n<p>Acceptor \u867d\u7136\u4ee3\u7801\u91cf\u4e0d\u5927&#xff0c;\u804c\u8d23\u4e5f\u975e\u5e38\u5355\u4e00&#xff0c;\u4f46\u5b83\u5728\u6574\u4e2a\u7f51\u7edc\u6846\u67b6\u4e2d\u626e\u6f14\u7740\u4e0d\u53ef\u6216\u7f3a\u7684&#034;\u5b88\u95e8\u4eba&#034;\u89d2\u8272\u3002\u5b83\u9759\u9759\u5730\u76d1\u542c\u5728\u6307\u5b9a\u7aef\u53e3\u4e0a&#xff0c;\u7b49\u5f85\u7740\u6bcf\u4e00\u4e2a\u65b0\u8fde\u63a5\u7684\u5230\u6765&#xff0c;\u4e00\u65e6\u6709\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u5b83\u4fbf\u8fc5\u901f\u54cd\u5e94&#xff0c;\u5c06\u65b0\u8fde\u63a5\u7684 socket \u4ea4\u4ed8\u7ed9\u4e0a\u5c42\u5904\u7406&#xff0c;\u7136\u540e\u7ee7\u7eed\u56de\u5230\u76d1\u542c\u72b6\u6001&#xff0c;\u5468\u800c\u590d\u59cb\u3002<\/p>\n<p>\u56de\u987e Acceptor \u7684\u8bbe\u8ba1&#xff0c;\u6709\u51e0\u4e2a\u5173\u952e\u70b9\u503c\u5f97\u6211\u4eec\u518d\u6b21\u54c1\u5473&#xff1a;<\/p>\n<p>\u7b2c\u4e00&#xff0c;\u5173\u4e8e\u6784\u9020\u51fd\u6570\u4e2d fd \u7684\u521d\u59cb\u5316\u987a\u5e8f\u95ee\u9898\u3002 \u6211\u4eec\u901a\u8fc7\u5148\u7ed9 _channel \u4f20\u5165\u65e0\u6548 fd -1&#xff0c;\u7136\u540e\u5728\u6784\u9020\u51fd\u6570\u4f53\u4e2d\u521b\u5efa socket \u5e76\u8c03\u7528 SetFd \u7684\u65b9\u5f0f&#xff0c;\u4f18\u96c5\u5730\u7ed5\u8fc7\u4e86\u6210\u5458\u521d\u59cb\u5316\u987a\u5e8f\u7684\u9677\u9631\u3002\u8fd9\u63d0\u9192\u6211\u4eec&#xff1a;\u5728 C&#043;&#043; \u4e2d&#xff0c;\u6210\u5458\u53d8\u91cf\u7684\u521d\u59cb\u5316\u987a\u5e8f\u9075\u5faa\u58f0\u660e\u987a\u5e8f&#xff0c;\u800c\u975e\u521d\u59cb\u5316\u5217\u8868\u987a\u5e8f&#xff0c;\u7406\u89e3\u8fd9\u4e00\u70b9\u5bf9\u4e8e\u5199\u51fa\u5065\u58ee\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u7b2c\u4e8c&#xff0c;\u5173\u4e8e\u201c\u5148\u914d\u7f6e&#xff0c;\u540e\u542f\u52a8\u201d\u7684\u8bbe\u8ba1\u539f\u5219\u3002 \u6211\u4eec\u5c06 SetAcceptCallback \u4e0e Listen \u5206\u79bb&#xff0c;\u5f3a\u5236\u7528\u6237\u5148\u8bbe\u7f6e\u597d\u56de\u8c03\u51fd\u6570&#xff0c;\u518d\u663e\u5f0f\u542f\u52a8\u76d1\u542c\u3002\u8fd9\u770b\u4f3c\u662f\u4e00\u4e2a\u5fae\u5c0f\u7684 API \u8bbe\u8ba1\u7ec6\u8282&#xff0c;\u5b9e\u5219\u907f\u514d\u4e86\u4e8b\u4ef6\u89e6\u53d1\u65f6\u56de\u8c03\u51fd\u6570\u5c1a\u672a\u8bbe\u7f6e\u7684\u7ade\u6001\u6761\u4ef6\u3002\u4e00\u4e2a\u597d\u7684\u63a5\u53e3\u8bbe\u8ba1&#xff0c;\u4e0d\u4ec5\u80fd\u8ba9\u7528\u6237\u7528\u8d77\u6765\u987a\u624b&#xff0c;\u66f4\u80fd\u5f15\u5bfc\u7528\u6237\u6b63\u786e\u5730\u4f7f\u7528\u3002<\/p>\n<p>\u7b2c\u4e09&#xff0c;\u5173\u4e8e\u79fb\u52a8\u8bed\u4e49\u7684\u4f7f\u7528\u3002 \u5728 HandleRead \u4e2d&#xff0c;\u6211\u4eec\u4f7f\u7528 std::move(newfd) \u5c06 socket \u5bf9\u8c61\u7684\u6240\u6709\u6743\u8f6c\u79fb\u7ed9\u4e0a\u5c42&#xff0c;\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u62f7\u8d1d&#xff0c;\u4e5f\u660e\u786e\u4e86&#034;\u6240\u6709\u6743\u8f6c\u79fb&#034;\u8fd9\u4e00\u8bed\u4e49\u3002\u5728\u73b0\u4ee3 C&#043;&#043; \u4e2d&#xff0c;\u5408\u7406\u4f7f\u7528\u79fb\u52a8\u8bed\u4e49\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u52a0\u9ad8\u6548\u548c\u6e05\u6670\u3002<\/p>\n<p>\u7b2c\u56db&#xff0c;\u5173\u4e8e Acceptor \u4e0e LoopThread \u7684\u534f\u4f5c\u5173\u7cfb\u3002 Acceptor \u672c\u8eab\u5e76\u4e0d\u521b\u5efa\u7ebf\u7a0b&#xff0c;\u4e5f\u4e0d\u7ba1\u7406\u7ebf\u7a0b&#xff0c;\u5b83\u53ea\u4f9d\u8d56\u4e8e\u4e00\u4e2a EventLoop \u6307\u9488\u6765\u6ce8\u518c\u548c\u79fb\u9664\u4e8b\u4ef6\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97 Acceptor \u53ef\u4ee5\u7075\u6d3b\u5730\u5de5\u4f5c\u5728\u5355\u7ebf\u7a0b\u6216\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u2014\u2014\u5728\u5355\u7ebf\u7a0b\u573a\u666f\u4e0b&#xff0c;\u5b83\u76f4\u63a5\u4f7f\u7528\u4e3b\u7ebf\u7a0b\u7684 EventLoop&#xff1b;\u5728\u591a\u7ebf\u7a0b\u573a\u666f\u4e0b&#xff0c;\u5b83\u53ef\u4ee5\u901a\u8fc7 LoopThread \u83b7\u53d6\u4e00\u4e2a\u4e13\u5c5e\u7684 EventLoop&#xff0c;\u5b9e\u73b0\u8fde\u63a5\u7684\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n<p>\u7b2c\u4e94&#xff0c;\u5173\u4e8e\u804c\u8d23\u8fb9\u754c\u7684\u5212\u5206\u3002 Acceptor \u53ea\u8d1f\u8d23&#034;\u63a5\u53d7\u8fde\u63a5&#034;\u8fd9\u4e00\u4ef6\u4e8b&#xff0c;\u81f3\u4e8e\u8fde\u63a5\u5efa\u7acb\u4e4b\u540e\u5982\u4f55\u5904\u7406\u6570\u636e\u3001\u5982\u4f55\u7ba1\u7406\u751f\u547d\u5468\u671f&#xff0c;\u7edf\u7edf\u4e0d\u662f\u5b83\u5173\u5fc3\u7684\u8303\u7574\u3002\u8fd9\u79cd\u201c\u505a\u4e00\u4ef6\u4e8b&#xff0c;\u5e76\u505a\u597d\u201d\u7684\u8bbe\u8ba1\u54f2\u5b66&#xff0c;\u8ba9 Acceptor 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