{"id":3793,"date":"2019-08-20T19:21:57","date_gmt":"2019-08-20T11:21:57","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=3793"},"modified":"2019-08-20T19:21:57","modified_gmt":"2019-08-20T11:21:57","slug":"io%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%ef%bc%9areactor%e5%92%8cproactor%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/3793","title":{"rendered":"IO\u8bbe\u8ba1\u6a21\u5f0f\uff1aReactor\u548cProactor\u5bf9\u6bd4"},"content":{"rendered":"<p id=\"io-reactor-proactor-\"><a href=\"https:\/\/www.cnblogs.com\/me115\/p\/4452801.html\">\u539f\u6587\u5730\u5740<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u5e73\u65f6\u63a5\u89e6\u7684\u5f00\u6e90\u4ea7\u54c1\u5982Redis\u3001ACE\uff0c\u4e8b\u4ef6\u6a21\u578b\u90fd\u4f7f\u7528\u7684Reactor\u6a21\u5f0f\uff1b\u800c\u540c\u6837\u505a\u4e8b\u4ef6\u5904\u7406\u7684Proactor\uff0c\u7531\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u539f\u56e0\uff0c\u76f8\u5173\u7684\u5f00\u6e90\u4ea7\u54c1\u4e5f\u5c11\uff1b\u8fd9\u91cc\u5b66\u4e60\u4e0b\u5176\u6a21\u578b\u7ed3\u6784\uff0c\u91cd\u70b9\u5bf9\u6bd4\u4e0b\u4e24\u8005\u7684\u5f02\u540c\u70b9\uff1b<\/p>\n<h2 id=\"h20\">\u53cd\u5e94\u5668Reactor<\/h2>\n<h3 id=\"reactor-\">Reactor\u6a21\u5f0f\u7ed3\u6784<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Reactor\" src=\"https:\/\/images0.cnblogs.com\/blog\/90573\/201504\/241052434069024.jpg\" alt=\"Reactor\" width=\"781\" height=\"354\" border=\"0\" \/><\/p>\n<p>Reactor\u5305\u542b\u5982\u4e0b\u89d2\u8272\uff1a<\/p>\n<ul>\n<li>Handle \u53e5\u67c4\uff1b\u7528\u6765\u6807\u8bc6socket\u8fde\u63a5\u6216\u662f\u6253\u5f00\u6587\u4ef6\uff1b<\/li>\n<li>Synchronous Event Demultiplexer\uff1a\u540c\u6b65\u4e8b\u4ef6\u591a\u8def\u5206\u89e3\u5668\uff1a\u7531\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u5b9e\u73b0\u7684\u4e00\u4e2a\u51fd\u6570\uff1b\u7528\u4e8e\u963b\u585e\u7b49\u5f85\u53d1\u751f\u5728\u53e5\u67c4\u96c6\u5408\u4e0a\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u4e8b\u4ef6\uff1b\uff08\u5982select\/epoll\uff1b\uff09<\/li>\n<li>Event Handler\uff1a\u4e8b\u4ef6\u5904\u7406\u63a5\u53e3<\/li>\n<li>Concrete Event HandlerA\uff1a\u5b9e\u73b0\u5e94\u7528\u7a0b\u5e8f\u6240\u63d0\u4f9b\u7684\u7279\u5b9a\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\uff1b<\/li>\n<li>Reactor\uff1a\u53cd\u5e94\u5668\uff0c\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\uff0c\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd\uff1a<br \/>\n1\uff09\u4f9b\u5e94\u7528\u7a0b\u5e8f\u6ce8\u518c\u548c\u5220\u9664\u5173\u6ce8\u7684\u4e8b\u4ef6\u53e5\u67c4\uff1b<br \/>\n2\uff09\u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af\uff1b<br \/>\n3\uff09\u6709\u5c31\u7eea\u4e8b\u4ef6\u5230\u6765\u65f6\uff0c\u5206\u53d1\u4e8b\u4ef6\u5230\u4e4b\u524d\u6ce8\u518c\u7684\u56de\u8c03\u51fd\u6570\u4e0a\u5904\u7406\uff1b<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u201c\u53cd\u5e94\u201d\u5668\u540d\u5b57\u4e2d\u201d\u53cd\u5e94\u201c\u7684\u7531\u6765\uff1a<br \/>\n\u201c\u53cd\u5e94\u201d\u5373\u201c\u5012\u7f6e\u201d\uff0c\u201c\u63a7\u5236\u9006\u8f6c\u201d,\u5177\u4f53\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e0d\u8c03\u7528\u53cd\u5e94\u5668\uff0c\u800c\u662f\u7531\u53cd\u5e94\u5668\u5206\u914d\u4e00\u4e2a\u5177\u4f53\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u5177\u4f53\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u5bf9\u67d0\u4e2a\u6307\u5b9a\u7684\u4e8b\u4ef6\u53d1\u751f\u505a\u51fa\u53cd\u5e94\uff1b\u8fd9\u79cd\u63a7\u5236\u9006\u8f6c\u53c8\u79f0\u4e3a\u201c\u597d\u83b1\u575e\u6cd5\u5219\u201d\uff08\u4e0d\u8981\u8c03\u7528\u6211\uff0c\u8ba9\u6211\u6765\u8c03\u7528\u4f60\uff09<\/p>\n<h3 id=\"-\">\u4e1a\u52a1\u6d41\u7a0b\u53ca\u65f6\u5e8f\u56fe<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"seq_Reactor\" src=\"https:\/\/images0.cnblogs.com\/blog\/90573\/201504\/241052444538838.jpg\" alt=\"seq_Reactor\" width=\"705\" height=\"385\" border=\"0\" \/><\/p>\n<ol>\n<li>\u5e94\u7528\u542f\u52a8\uff0c\u5c06\u5173\u6ce8\u7684\u4e8b\u4ef6handle\u6ce8\u518c\u5230Reactor\u4e2d\uff1b<\/li>\n<li>\u8c03\u7528Reactor\uff0c\u8fdb\u5165\u65e0\u9650\u4e8b\u4ef6\u5faa\u73af\uff0c\u7b49\u5f85\u6ce8\u518c\u7684\u4e8b\u4ef6\u5230\u6765\uff1b<\/li>\n<li>\u4e8b\u4ef6\u5230\u6765\uff0cselect\u8fd4\u56de\uff0cReactor\u5c06\u4e8b\u4ef6\u5206\u53d1\u5230\u4e4b\u524d\u6ce8\u518c\u7684\u56de\u8c03\u51fd\u6570\u4e2d\u5904\u7406\uff1b<\/li>\n<\/ol>\n<h2 id=\"h21\">\u4e3b\u52a8\u5668Proactor<\/h2>\n<h3 id=\"proactor-\">Proactor\u6a21\u5f0f\u7ed3\u6784<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Proactor\" src=\"https:\/\/images0.cnblogs.com\/blog\/90573\/201504\/241052458282851.jpg\" alt=\"Proactor\" width=\"950\" height=\"451\" border=\"0\" \/><\/p>\n<p>Proactor\u4e3b\u52a8\u5668\u6a21\u5f0f\u5305\u542b\u5982\u4e0b\u89d2\u8272<\/p>\n<ul>\n<li>Handle \u53e5\u67c4\uff1b\u7528\u6765\u6807\u8bc6socket\u8fde\u63a5\u6216\u662f\u6253\u5f00\u6587\u4ef6\uff1b<\/li>\n<li>Asynchronous Operation Processor\uff1a\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668\uff1b\u8d1f\u8d23\u6267\u884c\u5f02\u6b65\u64cd\u4f5c\uff0c\u4e00\u822c\u7531\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u5b9e\u73b0\uff1b<\/li>\n<li>Asynchronous Operation\uff1a\u5f02\u6b65\u64cd\u4f5c<\/li>\n<li>Completion Event Queue\uff1a\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\uff1b\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u7684\u7ed3\u679c\u653e\u5230\u961f\u5217\u4e2d\u7b49\u5f85\u540e\u7eed\u4f7f\u7528<\/li>\n<li>Proactor\uff1a\u4e3b\u52a8\u5668\uff1b\u4e3a\u5e94\u7528\u7a0b\u5e8f\u8fdb\u7a0b\u63d0\u4f9b\u4e8b\u4ef6\u5faa\u73af\uff1b\u4ece\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\u4e2d\u53d6\u51fa\u5f02\u6b65\u64cd\u4f5c\u7684\u7ed3\u679c\uff0c\u5206\u53d1\u8c03\u7528\u76f8\u5e94\u7684\u540e\u7eed\u5904\u7406\u903b\u8f91\uff1b<\/li>\n<li>Completion Handler\uff1a\u5b8c\u6210\u4e8b\u4ef6\u63a5\u53e3\uff1b\u4e00\u822c\u662f\u7531\u56de\u8c03\u51fd\u6570\u7ec4\u6210\u7684\u63a5\u53e3\uff1b<\/li>\n<li>Concrete Completion Handler\uff1a\u5b8c\u6210\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\uff1b\u5b9e\u73b0\u63a5\u53e3\u5b9a\u4e49\u7279\u5b9a\u7684\u5e94\u7528\u5904\u7406\u903b\u8f91\uff1b<\/li>\n<\/ul>\n<h3 id=\"-\">\u4e1a\u52a1\u6d41\u7a0b\u53ca\u65f6\u5e8f\u56fe<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"seq_Proactor\" src=\"https:\/\/images0.cnblogs.com\/blog\/90573\/201504\/241052468598435.jpg\" alt=\"seq_Proactor\" width=\"936\" height=\"478\" border=\"0\" \/><\/p>\n<ol>\n<li>\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\uff0c\u8c03\u7528\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668\u63d0\u4f9b\u7684\u5f02\u6b65\u64cd\u4f5c\u63a5\u53e3\u51fd\u6570\uff0c\u8c03\u7528\u4e4b\u540e\u5e94\u7528\u7a0b\u5e8f\u548c\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5c31\u72ec\u7acb\u8fd0\u884c\uff1b\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u8c03\u7528\u65b0\u7684\u5f02\u6b65\u64cd\u4f5c\uff0c\u800c\u5176\u5b83\u64cd\u4f5c\u53ef\u4ee5\u5e76\u53d1\u8fdb\u884c\uff1b<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8Proactor\u4e3b\u52a8\u5668\uff0c\u8fdb\u884c\u65e0\u9650\u7684\u4e8b\u4ef6\u5faa\u73af\uff0c\u7b49\u5f85\u5b8c\u6210\u4e8b\u4ef6\u5230\u6765\uff1b<\/li>\n<li>\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668\u6267\u884c\u5f02\u6b65\u64cd\u4f5c\uff0c\u5b8c\u6210\u540e\u5c06\u7ed3\u679c\u653e\u5165\u5230\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\uff1b<\/li>\n<li>\u4e3b\u52a8\u5668\u4ece\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\u4e2d\u53d6\u51fa\u7ed3\u679c\uff0c\u5206\u53d1\u5230\u76f8\u5e94\u7684\u5b8c\u6210\u4e8b\u4ef6\u56de\u8c03\u51fd\u6570\u5904\u7406\u903b\u8f91\u4e2d\uff1b<\/li>\n<\/ol>\n<h2 id=\"h22\">\u5bf9\u6bd4\u4e24\u8005\u7684\u533a\u522b<\/h2>\n<h3 id=\"-\">\u4e3b\u52a8\u548c\u88ab\u52a8<\/h3>\n<p>\u4ee5\u4e3b\u52a8\u5199\u4e3a\u4f8b\uff1a<br \/>\nReactor\u5c06handle\u653e\u5230select()\uff0c\u7b49\u5f85\u53ef\u5199\u5c31\u7eea\uff0c\u7136\u540e\u8c03\u7528write()\u5199\u5165\u6570\u636e\uff1b\u5199\u5b8c\u5904\u7406\u540e\u7eed\u903b\u8f91\uff1b<br \/>\nProactor\u8c03\u7528aoi_write\u540e\u7acb\u523b\u8fd4\u56de\uff0c\u7531\u5185\u6838\u8d1f\u8d23\u5199\u64cd\u4f5c\uff0c\u5199\u5b8c\u540e\u8c03\u7528\u76f8\u5e94\u7684\u56de\u8c03\u51fd\u6570\u5904\u7406\u540e\u7eed\u903b\u8f91\uff1b<\/p>\n<p>\u53ef\u4ee5\u770b\u51fa\uff0cReactor\u88ab\u52a8\u7684\u7b49\u5f85\u6307\u793a\u4e8b\u4ef6\u7684\u5230\u6765\u5e76\u505a\u51fa\u53cd\u5e94\uff1b\u5b83\u6709\u4e00\u4e2a\u7b49\u5f85\u7684\u8fc7\u7a0b\uff0c\u505a\u4ec0\u4e48\u90fd\u8981\u5148\u653e\u5165\u5230\u76d1\u542c\u4e8b\u4ef6\u96c6\u5408\u4e2d\u7b49\u5f85handler\u53ef\u7528\u65f6\u518d\u8fdb\u884c\u64cd\u4f5c\uff1b<br \/>\nProactor\u76f4\u63a5\u8c03\u7528\u5f02\u6b65\u8bfb\u5199\u64cd\u4f5c\uff0c\u8c03\u7528\u5b8c\u540e\u7acb\u523b\u8fd4\u56de\uff1b<\/p>\n<h3 id=\"-\">\u5b9e\u73b0<\/h3>\n<p>Reactor\u5b9e\u73b0\u4e86\u4e00\u4e2a\u88ab\u52a8\u7684\u4e8b\u4ef6\u5206\u79bb\u548c\u5206\u53d1\u6a21\u578b\uff0c\u670d\u52a1\u7b49\u5f85\u8bf7\u6c42\u4e8b\u4ef6\u7684\u5230\u6765\uff0c\u518d\u901a\u8fc7\u4e0d\u53d7\u95f4\u65ad\u7684\u540c\u6b65\u5904\u7406\u4e8b\u4ef6\uff0c\u4ece\u800c\u505a\u51fa\u53cd\u5e94\uff1b<\/p>\n<p>Proactor\u5b9e\u73b0\u4e86\u4e00\u4e2a\u4e3b\u52a8\u7684\u4e8b\u4ef6\u5206\u79bb\u548c\u5206\u53d1\u6a21\u578b\uff1b\u8fd9\u79cd\u8bbe\u8ba1\u5141\u8bb8\u591a\u4e2a\u4efb\u52a1\u5e76\u53d1\u7684\u6267\u884c\uff0c\u4ece\u800c\u63d0\u9ad8\u541e\u5410\u91cf\uff1b\u5e76\u53ef\u6267\u884c\u8017\u65f6\u957f\u7684\u4efb\u52a1\uff08\u5404\u4e2a\u4efb\u52a1\u95f4\u4e92\u4e0d\u5f71\u54cd\uff09<\/p>\n<h3 id=\"-\">\u4f18\u70b9<\/h3>\n<p>Reactor\u5b9e\u73b0\u76f8\u5bf9\u7b80\u5355\uff0c\u5bf9\u4e8e\u8017\u65f6\u77ed\u7684\u5904\u7406\u573a\u666f\u5904\u7406\u9ad8\u6548\uff1b<br \/>\n\u64cd\u4f5c\u7cfb\u7edf\u53ef\u4ee5\u5728\u591a\u4e2a\u4e8b\u4ef6\u6e90\u4e0a\u7b49\u5f85\uff0c\u5e76\u4e14\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u7f16\u7a0b\u76f8\u5173\u7684\u6027\u80fd\u5f00\u9500\u548c\u7f16\u7a0b\u590d\u6742\u6027\uff1b<br \/>\n\u4e8b\u4ef6\u7684\u4e32\u884c\u5316\u5bf9\u5e94\u7528\u662f\u900f\u660e\u7684\uff0c\u53ef\u4ee5\u987a\u5e8f\u7684\u540c\u6b65\u6267\u884c\u800c\u4e0d\u9700\u8981\u52a0\u9501\uff1b<br \/>\n\u4e8b\u52a1\u5206\u79bb\uff1a\u5c06\u4e0e\u5e94\u7528\u65e0\u5173\u7684\u591a\u8def\u5206\u89e3\u548c\u5206\u914d\u673a\u5236\u548c\u4e0e\u5e94\u7528\u76f8\u5173\u7684\u56de\u8c03\u51fd\u6570\u5206\u79bb\u5f00\u6765\uff0c<\/p>\n<p>Proactor\u6027\u80fd\u66f4\u9ad8\uff0c\u80fd\u591f\u5904\u7406\u8017\u65f6\u957f\u7684\u5e76\u53d1\u573a\u666f\uff1b<\/p>\n<h3 id=\"-\">\u7f3a\u70b9<\/h3>\n<p>Reactor\u5904\u7406\u8017\u65f6\u957f\u7684\u64cd\u4f5c\u4f1a\u9020\u6210\u4e8b\u4ef6\u5206\u53d1\u7684\u963b\u585e\uff0c\u5f71\u54cd\u5230\u540e\u7eed\u4e8b\u4ef6\u7684\u5904\u7406\uff1b<\/p>\n<p>Proactor\u5b9e\u73b0\u903b\u8f91\u590d\u6742\uff1b\u4f9d\u8d56\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u5f02\u6b65\u7684\u652f\u6301\uff0c\u76ee\u524d\u5b9e\u73b0\u4e86\u7eaf\u5f02\u6b65\u64cd\u4f5c\u7684\u64cd\u4f5c\u7cfb\u7edf\u5c11\uff0c\u5b9e\u73b0\u4f18\u79c0\u7684\u5982windows IOCP\uff0c\u4f46\u7531\u4e8e\u5176windows\u7cfb\u7edf\u7528\u4e8e\u670d\u52a1\u5668\u7684\u5c40\u9650\u6027\uff0c\u76ee\u524d\u5e94\u7528\u8303\u56f4\u8f83\u5c0f\uff1b\u800cUnix\/Linux\u7cfb\u7edf\u5bf9\u7eaf\u5f02\u6b65\u7684\u652f\u6301\u6709\u9650\uff0c\u5e94\u7528\u4e8b\u4ef6\u9a71\u52a8\u7684\u4e3b\u6d41\u8fd8\u662f\u901a\u8fc7select\/epoll\u6765\u5b9e\u73b0\uff1b<\/p>\n<h3 id=\"-\">\u9002\u7528\u573a\u666f<\/h3>\n<p>Reactor\uff1a\u540c\u65f6\u63a5\u6536\u591a\u4e2a\u670d\u52a1\u8bf7\u6c42\uff0c\u5e76\u4e14\u4f9d\u6b21\u540c\u6b65\u7684\u5904\u7406\u5b83\u4eec\u7684\u4e8b\u4ef6\u9a71\u52a8\u7a0b\u5e8f\uff1b<br \/>\nProactor\uff1a\u5f02\u6b65\u63a5\u6536\u548c\u540c\u65f6\u5904\u7406\u591a\u4e2a\u670d\u52a1\u8bf7\u6c42\u7684\u4e8b\u4ef6\u9a71\u52a8\u7a0b\u5e8f\uff1b<\/p>\n<p>\u7c7b\u56fe\u548c\u5e8f\u5217\u56fe\u7684\u6e90\u6587\u4ef6\u63d0\u4f9b\u4e0b\u8f7d\uff0c\u8be6\u89c1Github\u300a\u56fe\u8bf4\u8bbe\u8ba1\u6a21\u5f0f\u300b\u7684EA\u6587\u6863\uff1a<\/p>\n<p><a title=\"https:\/\/github.com\/me115\/design_patterns\" href=\"https:\/\/github.com\/me115\/design_patterns\">https:\/\/github.com\/me115\/design_patterns<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 &nbsp; \u5e73\u65f6\u63a5\u89e6\u7684\u5f00\u6e90\u4ea7<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[118],"class_list":["post-3793","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/3793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=3793"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/3793\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=3793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=3793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=3793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}