{"id":53273,"date":"2025-08-12T07:45:18","date_gmt":"2025-08-11T23:45:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/53273.html"},"modified":"2025-08-12T07:45:18","modified_gmt":"2025-08-11T23:45:18","slug":"%e5%ae%9e%e7%8e%b0%e9%ab%98%e6%95%88%e7%bd%91%e7%bb%9c%e9%80%9a%e4%bf%a1%ef%bc%9aiocp%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e7%b1%bb%e7%9a%84%e7%ae%80%e5%8d%95%e5%ba%94","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/53273.html","title":{"rendered":"\u5b9e\u73b0\u9ad8\u6548\u7f51\u7edc\u901a\u4fe1\uff1aIOCP\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u7c7b\u7684\u7b80\u5355\u5e94\u7528"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811234516-689a808c23009.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u6587\u5c06\u8be6\u7ec6\u63a2\u8ba8Windows\u4e2dIOCP\u6280\u672f\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u5982\u4f55\u5e94\u7528\u4e8e\u5b9e\u9645\u7f16\u7a0b\u4e2d\u3002IOCP\u662f\u4e00\u79cd\u7528\u4e8e\u5904\u7406\u5927\u91cf\u5e76\u53d1I\/O\u8bf7\u6c42\u7684\u9ad8\u6548\u673a\u5236&#xff0c;\u5c24\u5176\u9002\u7528\u4e8e\u9ad8\u5e76\u53d1\u7f51\u7edc\u7f16\u7a0b\u3002\u901a\u8fc7\u521b\u5efaIOCP&#xff0c;\u5173\u8054\u5957\u63a5\u5b57&#xff0c;\u5904\u7406I\/O\u8bf7\u6c42\u548c\u5b8c\u6210\u901a\u77e5&#xff0c;\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u901a\u4fe1\u3002\u6587\u7ae0\u8fd8\u5c06\u5206\u6790\u300aA Simple IOCP Server\/Client Class\u300b\u9879\u76ee\u4e2d\u7684\u4ee3\u7801&#xff0c;\u4ee5\u4fbf\u8bfb\u8005\u6df1\u5165\u7406\u89e3IOCP\u7684\u4f7f\u7528\u548c\u7f51\u7edc\u7f16\u7a0b\u6280\u5de7\u3002  <img decoding=\"async\" alt=\"\u300aA Simple IOCP Server\/Client Class\u300b\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811234516-689a808c58f65.png\" \/> <\/p>\n<h2> 1. IOCP\u57fa\u672c\u6982\u5ff5\u4ecb\u7ecd <\/h2>\n<p> \u5728\u73b0\u4ee3\u7f51\u7edc\u670d\u52a1\u67b6\u6784\u4e2d&#xff0c;IOCP&#xff08;I\/O Completion Ports&#xff0c;I\/O\u5b8c\u6210\u7aef\u53e3&#xff09;\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u5f02\u6b65\u8f93\u5165\u8f93\u51fa\u5904\u7406\u673a\u5236&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8eWindows\u5e73\u53f0\u4e0b\u7684\u670d\u52a1\u5668\u7a0b\u5e8f\u8bbe\u8ba1\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u4ee5\u8f83\u5c11\u7684\u7ebf\u7a0b\u7ba1\u7406\u5927\u91cf\u7684\u5e76\u53d1I\/O\u64cd\u4f5c&#xff0c;\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u7cfb\u7edf\u541e\u5410\u91cf\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002\u672c\u7ae0\u5c06\u4ecb\u7ecdIOCP\u7684\u6838\u5fc3\u6982\u5ff5\u3001\u57fa\u672c\u539f\u7406\u53ca\u5176\u5728\u9ad8\u6027\u80fd\u7f51\u7edc\u5e94\u7528\u4e2d\u7684\u91cd\u8981\u6027&#xff0c;\u4e3a\u6df1\u5165\u7406\u89e3\u540e\u7eed\u7ae0\u8282\u5960\u5b9a\u57fa\u7840\u3002 <\/p>\n<h3> IOCP\u57fa\u672c\u539f\u7406\u6982\u8ff0 <\/h3>\n<p> IOCP\u662fWindows I\/O\u5b50\u7cfb\u7edf\u7684\u4e00\u4e2a\u7ec4\u4ef6&#xff0c;\u4e13\u95e8\u8bbe\u8ba1\u7528\u4e8e\u5904\u7406\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u7684\u5927\u91cf\u5e76\u53d1I\/O\u64cd\u4f5c\u3002\u5b83\u901a\u8fc7\u5c06I\/O\u8bf7\u6c42\u6392\u961f\u5230\u4e00\u4e2a\u5b8c\u6210\u7aef\u53e3\u4e0a&#xff0c;\u7136\u540e\u7531\u4e00\u7ec4\u7ebf\u7a0b\u4ece\u7aef\u53e3\u4e0a\u68c0\u7d22\u5df2\u5b8c\u6210\u7684I\/O\u64cd\u4f5c&#xff0c;\u6709\u6548\u5730\u89e3\u51b3\u4e86\u4f20\u7edf\u540c\u6b65I\/O\u64cd\u4f5c\u5bfc\u81f4\u7684\u7ebf\u7a0b\u7b49\u5f85\u548c\u8d44\u6e90\u6d6a\u8d39\u95ee\u9898\u3002 <\/p>\n<h3> IOCP\u7684\u4f18\u52bf <\/h3>\n<p> \u4f7f\u7528IOCP\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u9ad8\u6548\u7684I\/O\u5904\u7406\u80fd\u529b\u4ee5\u53ca\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u9ad8\u5ea6\u4f18\u5316\u3002\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u5c11\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u7ebf\u7a0b\u963b\u585e\u65f6\u95f4&#xff0c;\u56e0\u4e3a\u7ebf\u7a0b\u53ea\u4f1a\u5728I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6\u624d\u88ab\u5524\u9192&#xff0c;\u4ece\u800c\u5141\u8bb8\u670d\u52a1\u5668\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u4f9d\u7136\u4fdd\u6301\u9ad8\u6027\u80fd\u3002\u8fd9\u79cd\u673a\u5236\u7279\u522b\u9002\u5408\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u7684\u573a\u666f&#xff0c;\u5982\u5728\u7ebf\u6e38\u620f\u3001\u6587\u4ef6\u670d\u52a1\u5668\u548c\u5373\u65f6\u901a\u8baf\u670d\u52a1\u5668\u7b49\u3002 <\/p>\n<h2> 2. IOCP\u5de5\u4f5c\u539f\u7406\u8be6\u89e3 <\/h2>\n<h3> 2.1 IOCP\u6a21\u578b\u6982\u8ff0 <\/h3>\n<h4> 2.1.1 IOCP\u6a21\u578b\u7684\u5386\u53f2\u80cc\u666f <\/h4>\n<p> IOCP&#xff0c;\u5168\u79f0I\/O Completion Ports&#xff0c;\u662f\u4e00\u79cd\u5728Windows\u5e73\u53f0\u4e0a\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e00\u79cdI\/O\u6a21\u578b&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u5f02\u6b65I\/O\u5904\u7406\u673a\u5236\u3002\u8fd9\u79cd\u6a21\u578b\u7684\u5386\u53f2\u80cc\u666f\u53ef\u4ee5\u8ffd\u6eaf\u5230Windows NT 3.51\u65f6\u671f&#xff0c;\u90a3\u65f6\u5fae\u8f6f\u5f15\u5165\u4e86\u5bf9\u5f02\u6b65I\/O\u64cd\u4f5c\u7684\u652f\u6301&#xff0c;\u800cIOCP\u662f\u8fd9\u4e00\u652f\u6301\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002 <\/p>\n<p> \u76f8\u8f83\u4e8e\u4f20\u7edf\u7684\u540c\u6b65I\/O&#xff0c;IOCP\u6a21\u578b\u80fd\u591f\u6781\u5927\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u5728\u5904\u7406\u5927\u91cf\u5e76\u53d1I\/O\u64cd\u4f5c\u65f6\u7684\u6027\u80fd\u3002\u5b83\u91c7\u7528\u7684\u662f\u4e00\u79cd\u7ebf\u7a0b\u6c60\u6a21\u578b&#xff0c;\u901a\u8fc7\u9884\u5148\u521b\u5efa\u4e00\u7ec4\u7ebf\u7a0b&#xff0c;\u5e76\u5c06\u8fd9\u4e9b\u7ebf\u7a0b\u5173\u8054\u5230I\/O Completion Ports\u4e0a&#xff0c;\u4ee5\u8fbe\u5230\u5145\u5206\u5229\u7528\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u63d0\u5347I\/O\u64cd\u4f5c\u6548\u7387\u7684\u76ee\u7684\u3002 <\/p>\n<h4> 2.1.2 IOCP\u6a21\u578b\u7684\u6838\u5fc3\u4f18\u52bf <\/h4>\n<p> IOCP\u6a21\u578b\u7684\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u5176\u975e\u963b\u585e\u7684\u5f02\u6b65\u64cd\u4f5c\u548c\u9ad8\u6548\u7387\u7684\u7ebf\u7a0b\u5229\u7528\u65b9\u5f0f\u3002\u5177\u4f53\u6765\u8bf4&#xff0c;\u5b83\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u6267\u884cI\/O\u64cd\u4f5c\u800c\u4e0d\u5fc5\u7b49\u5f85\u64cd\u4f5c\u5b8c\u6210&#xff0c;\u4ece\u800c\u4e0d\u4f1a\u963b\u585e\u8c03\u7528\u7ebf\u7a0b\u3002\u5f53I\/O\u64cd\u4f5c\u5b8c\u6210\u540e&#xff0c;\u7cfb\u7edf\u4f1a\u901a\u77e5\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u7136\u540e\u7531\u5e94\u7528\u7a0b\u5e8f\u9009\u62e9\u4e00\u4e2a\u7a7a\u95f2\u7684\u7ebf\u7a0b\u6765\u5904\u7406\u5b8c\u6210\u7684I\/O\u64cd\u4f5c\u3002 <\/p>\n<p> \u8fd9\u79cd\u673a\u5236\u610f\u5473\u7740\u5e94\u7528\u7a0b\u5e8f\u5728\u9ad8\u5e76\u53d1\u7684\u60c5\u51b5\u4e0b\u4f9d\u7136\u80fd\u4fdd\u6301\u826f\u597d\u7684\u54cd\u5e94\u6027&#xff0c;\u8fd9\u5728\u8bf8\u5982\u7f51\u7edc\u670d\u52a1\u5668\u8fd9\u6837\u7684\u573a\u666f\u4e2d\u5c24\u4e3a\u91cd\u8981\u3002\u6b64\u5916&#xff0c;IOCP\u6a21\u578b\u901a\u8fc7\u7ebf\u7a0b\u6c60\u7ba1\u7406\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f&#xff0c;\u51cf\u5c11\u4e86\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b\u7684\u5f00\u9500&#xff0c;\u63d0\u9ad8\u4e86\u7ebf\u7a0b\u7684\u91cd\u7528\u7387&#xff0c;\u4ece\u800c\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u7cfb\u7edf\u8d44\u6e90\u7684\u4f7f\u7528\u6548\u7387\u3002 <\/p>\n<h3> 2.2 IOCP\u7684\u5de5\u4f5c\u673a\u5236 <\/h3>\n<h4> 2.2.1 \u5f02\u6b65\u8f93\u5165\u8f93\u51fa&#xff08;I\/O&#xff09;\u6982\u5ff5 <\/h4>\n<p> \u5f02\u6b65I\/O\u6a21\u578b\u5141\u8bb8\u5728I\/O\u64cd\u4f5c\u53d1\u8d77\u540e&#xff0c;\u7ebf\u7a0b\u53ef\u4ee5\u7acb\u5373\u8fd4\u56de\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1&#xff0c;\u800c\u4e0d\u9700\u8981\u7b49\u5f85I\/O\u64cd\u4f5c\u5b8c\u6210\u3002\u8fd9\u79cd\u6a21\u578b\u7279\u522b\u9002\u5408\u4e8eI\/O\u5bc6\u96c6\u578b\u5e94\u7528&#xff0c;\u5982\u6570\u636e\u5e93\u670d\u52a1\u5668\u3001Web\u670d\u52a1\u5668\u7b49\u3002 <\/p>\n<p> \u5728IOCP\u6a21\u578b\u4e2d&#xff0c;\u5f02\u6b65I\/O\u662f\u901a\u8fc7\u5c06I\/O\u8bf7\u6c42\u63d0\u4ea4\u7ed9\u7cfb\u7edf\u540e&#xff0c;\u5c06\u63a7\u5236\u6743\u8fd4\u56de\u7ed9\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u8ba9\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u5de5\u4f5c\u3002\u4e00\u65e6I\/O\u64cd\u4f5c\u5b8c\u6210&#xff0c;\u7cfb\u7edf\u4f1a\u5c06I\/O\u5b8c\u6210\u6570\u636e\u5305\u653e\u5165IOCP\u961f\u5217\u4e2d&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u4ece\u4e2d\u68c0\u7d22\u3002 <\/p>\n<h4> 2.2.2 IOCP\u5982\u4f55\u5904\u7406\u5e76\u53d1\u8fde\u63a5 <\/h4>\n<p> \u5e76\u53d1\u8fde\u63a5\u5904\u7406\u662fIOCP\u6a21\u578b\u7684\u6838\u5fc3\u80fd\u529b\u4e4b\u4e00\u3002\u5728\u5904\u7406\u5e76\u53d1\u8fde\u63a5\u65f6&#xff0c;IOCP\u901a\u8fc7\u7ba1\u7406I\/O\u5b8c\u6210\u7aef\u53e3\u6765\u5b9e\u73b0\u9ad8\u6548\u7684\u7ebf\u7a0b\u5206\u914d\u548c\u4efb\u52a1\u8c03\u5ea6\u3002\u5f53\u4e00\u4e2aI\/O\u64cd\u4f5c\u5b8c\u6210\u65f6&#xff0c;\u5b8c\u6210\u6570\u636e\u5305\u4f1a\u88ab\u653e\u5165IOCP\u7684\u961f\u5217\u4e2d\u3002\u7136\u540e&#xff0c;IOCP\u4f1a\u5c06\u8fd9\u4e9b\u5b8c\u6210\u6570\u636e\u5305\u5206\u914d\u7ed9\u7b49\u5f85\u5728IOCP\u4e0a\u7684\u7ebf\u7a0b&#xff0c;\u8fd9\u4e9b\u7ebf\u7a0b\u53ef\u4ee5\u5904\u7406\u6765\u81ea\u591a\u4e2a\u8fde\u63a5\u7684I\/O\u5b8c\u6210\u4e8b\u4ef6\u3002 <\/p>\n<p> IOCP\u4f1a\u81ea\u52a8\u5e73\u8861\u5de5\u4f5c\u8d1f\u8f7d&#xff0c;\u907f\u514d\u67d0\u4e9b\u7ebf\u7a0b\u8fc7\u8f7d\u800c\u5176\u4ed6\u7ebf\u7a0b\u7a7a\u95f2\u7684\u60c5\u51b5\u3002\u8fd9\u79cd\u8d1f\u8f7d\u5747\u8861\u673a\u5236\u662f\u901a\u8fc7\u7ebf\u7a0b\u6c60\u7684\u52a8\u6001\u8c03\u5ea6\u5b9e\u73b0\u7684&#xff0c;\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u7a7a\u95f2\u65f6&#xff0c;\u5b83\u4f1a\u53bbIOCP\u961f\u5217\u4e2d\u83b7\u53d6\u4efb\u52a1\u6267\u884c\u3002\u8fd9\u6837&#xff0c;\u5373\u4f7f\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b&#xff0c;\u4e5f\u80fd\u4fdd\u8bc1\u8fde\u63a5\u5904\u7406\u7684\u6548\u7387\u3002 <\/p>\n<h3> 2.3 IOCP\u4e2d\u7684\u7ebf\u7a0b\u6a21\u578b <\/h3>\n<h4> 2.3.1 \u7ebf\u7a0b\u6c60\u539f\u7406\u53ca\u5e94\u7528 <\/h4>\n<p> \u7ebf\u7a0b\u6c60\u662f\u4e00\u79cd\u91cd\u8981\u7684\u591a\u7ebf\u7a0b\u8bbe\u8ba1\u6a21\u5f0f&#xff0c;\u5b83\u9884\u5148\u521b\u5efa\u4e00\u7ec4\u7ebf\u7a0b&#xff0c;\u8fd9\u4e9b\u7ebf\u7a0b\u88ab\u653e\u7f6e\u5728\u7ebf\u7a0b\u6c60\u4e2d\u5f85\u547d\u3002\u5f53\u6709\u4efb\u52a1\u63d0\u4ea4\u7ed9\u7ebf\u7a0b\u6c60\u65f6&#xff0c;\u7ebf\u7a0b\u6c60\u4f1a\u81ea\u52a8\u5206\u914d\u4e00\u4e2a\u7a7a\u95f2\u7684\u7ebf\u7a0b\u6765\u6267\u884c\u4efb\u52a1&#xff0c;\u800c\u4e0d\u9700\u8981\u4e3a\u6bcf\u4e2a\u4efb\u52a1\u521b\u5efa\u65b0\u7684\u7ebf\u7a0b\u3002 <\/p>\n<p> \u5728IOCP\u4e2d&#xff0c;\u7ebf\u7a0b\u6c60\u539f\u7406\u88ab\u5e94\u7528\u4e8e\u63d0\u5347\u5904\u7406\u5e76\u53d1\u8fde\u63a5\u7684\u6548\u7387\u3002IOCP\u901a\u8fc7\u7ebf\u7a0b\u6c60\u6765\u7ba1\u7406\u4e00\u7ec4\u5de5\u4f5c\u7ebf\u7a0b&#xff0c;\u8fd9\u4e9b\u7ebf\u7a0b\u88ab\u7528\u4e8e\u5904\u7406I\/O\u5b8c\u6210\u4e8b\u4ef6\u3002\u5f53I\/O\u64cd\u4f5c\u5b8c\u6210&#xff0c;IOCP\u5c06\u901a\u77e5\u7ebf\u7a0b\u6c60&#xff0c;\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u4f1a\u88ab\u5524\u9192\u6765\u5904\u7406\u8fd9\u4e9b\u4e8b\u4ef6\u3002 <\/p>\n<h4> 2.3.2 IOCP\u4e0e\u7ebf\u7a0b\u6c60\u7684\u7ed3\u5408 <\/h4>\n<p> IOCP\u4e0e\u7ebf\u7a0b\u6c60\u7684\u7ed3\u5408\u6784\u6210\u4e86\u5f3a\u5927\u7684\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002IOCP\u8d1f\u8d23\u7ba1\u7406I\/O\u64cd\u4f5c\u7684\u5b8c\u6210\u4e8b\u4ef6&#xff0c;\u5f53\u4e00\u4e2aI\/O\u64cd\u4f5c\u5b8c\u6210\u65f6&#xff0c;\u5b83\u4f1a\u901a\u77e5IOCP&#xff0c;IOCP\u518d\u901a\u77e5\u7ebf\u7a0b\u6c60\u3002\u7ebf\u7a0b\u6c60\u5219\u4f1a\u4ece\u7b49\u5f85\u961f\u5217\u4e2d\u53d6\u51fa\u4e00\u4e2a\u7ebf\u7a0b\u6765\u5904\u7406\u8fd9\u4e2a\u5b8c\u6210\u4e8b\u4ef6\u3002 <\/p>\n<p> \u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u53ef\u4ee5\u914d\u7f6e\u4e3a\u4f18\u5148\u7ea7\u3001\u5806\u6808\u5927\u5c0f\u3001\u5b89\u5168\u5c5e\u6027\u7b49&#xff0c;\u8fd9\u8ba9IOCP\u5177\u6709\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002\u5b83\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u8d1f\u8f7d\u52a8\u6001\u8c03\u6574\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u9500\u6bc1&#xff0c;\u51cf\u5c11\u4e86\u7ebf\u7a0b\u521b\u5efa\u7684\u5f00\u9500&#xff0c;\u6709\u6548\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u901f\u5ea6\u3002 <\/p>\n<p> \u4ee5\u4e0a\u4fbf\u662f\u5173\u4e8eIOCP\u5de5\u4f5c\u539f\u7406\u8be6\u89e3\u7684\u4e8c\u7ea7\u7ae0\u8282\u5185\u5bb9\u3002\u4e0b\u9762\u5c06\u8fdb\u5165\u4e09\u7ea7\u7ae0\u8282\u7684\u6df1\u5165\u63a2\u8ba8\u3002 <\/p>\n<h2> 3. IOCP\u670d\u52a1\u5668\u5b9e\u73b0\u6b65\u9aa4 <\/h2>\n<h3> 3.1 Windows\u5e73\u53f0\u4e0b\u7684IOCP\u521d\u59cb\u5316 <\/h3>\n<h4> 3.1.1 \u4f7f\u7528CreateIoCompletionPort\u521b\u5efaIOCP\u5bf9\u8c61 <\/h4>\n<p> \u5728Windows\u5e73\u53f0\u4e0a&#xff0c;IOCP\u5bf9\u8c61\u662f\u901a\u8fc7\u8c03\u7528  CreateIoCompletionPort  \u51fd\u6570\u6765\u521b\u5efa\u7684\u3002\u8be5\u51fd\u6570\u4e0d\u4ec5\u4ec5\u521b\u5efa\u4e00\u4e2aIOCP\u5bf9\u8c61&#xff0c;\u5b83\u8fd8\u5141\u8bb8\u4f60\u5c06\u6587\u4ef6\u53e5\u67c4\u4e0eIOCP\u5bf9\u8c61\u5173\u8054\u8d77\u6765\u3002\u4e00\u4e2a\u6587\u4ef6\u53e5\u67c4&#xff08;\u6216\u8005\u8bbe\u5907\u53e5\u67c4&#xff09;\u53ef\u4ee5\u88ab\u5173\u8054\u5230\u591a\u4e2aIOCP\u5bf9\u8c61\u4e0a&#xff0c;\u4f46\u4e00\u4e2aIOCP\u5bf9\u8c61\u53ea\u5141\u8bb8\u5173\u8054\u5230\u4e00\u4e2a\u8bbe\u5907\u53e5\u67c4\u4e0a\u3002 <\/p>\n<p>HANDLE CreateIoCompletionPort(<br \/>\n  HANDLE       FileHandle,          \/\/ handle to file<br \/>\n  HANDLE       ExistingCompletionPort, \/\/ handle to existing I\/O completion port<br \/>\n  ULONG_PTR    CompletionKey,        \/\/ completion key<br \/>\n  DWORD        NumberOfConcurrentThreads \/\/ number of threads<br \/>\n);<\/p>\n<ul>\n<li>  FileHandle  &#xff1a;\u662f\u4e00\u4e2a\u6587\u4ef6\u53e5\u67c4\u6216\u8bbe\u5907\u53e5\u67c4&#xff0c;\u53ef\u4ee5\u4e3a  NULL  &#xff0c;\u5982\u679c\u4e3a  NULL  &#xff0c;\u7cfb\u7edf\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684I\/O\u5b8c\u6210\u7aef\u53e3\u5bf9\u8c61\u3002 <\/li>\n<li>  ExistingCompletionPort  &#xff1a;\u5982\u679c\u8be5\u503c\u4e3a  NULL  &#xff0c;\u5219\u521b\u5efa\u4e00\u4e2a\u65b0\u7684I\/O\u5b8c\u6210\u7aef\u53e3\u3002\u5426\u5219&#xff0c;\u5b83\u5c06\u6587\u4ef6\u53e5\u67c4\u4e0e\u73b0\u6709\u7684\u5b8c\u6210\u7aef\u53e3\u5173\u8054\u3002 <\/li>\n<li>  CompletionKey  &#xff1a;\u63d0\u4f9b\u4e00\u4e2a\u4e0e\u6587\u4ef6\u53e5\u67c4\u5173\u8054\u7684\u503c&#xff0c;\u5b83\u4f1a\u5728\u5b8c\u6210\u5305\u4e2d\u8fd4\u56de&#xff0c;\u901a\u5e38\u7528\u4e8e\u6807\u8bc6\u7279\u5b9a\u7684\u8bbe\u5907\u6216\u5bf9\u8c61\u3002 <\/li>\n<li>  NumberOfConcurrentThreads  &#xff1a;\u6307\u5b9a\u8be5IOCP\u5bf9\u8c61\u80fd\u540c\u65f6\u8fd0\u884c\u7684\u6700\u5927\u7ebf\u7a0b\u6570\u3002 <\/li>\n<\/ul>\n<h4> 3.1.2 \u914d\u7f6eIOCP\u5bf9\u8c61\u7684\u53c2\u6570 <\/h4>\n<p> \u521b\u5efaIOCP\u5bf9\u8c61\u540e&#xff0c;\u63a5\u4e0b\u6765\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u914d\u7f6e\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u5e76\u53d1\u5904\u7406\u9700\u6c42\u3002  NumberOfConcurrentThreads  \u53c2\u6570\u662f\u5173\u952e&#xff0c;\u5b83\u51b3\u5b9a\u4e86IOCP\u5bf9\u8c61\u80fd\u591f\u521b\u5efa\u6216\u5173\u8054\u7684\u6700\u5927\u7ebf\u7a0b\u6570\u3002\u5b9e\u9645\u4e0a&#xff0c;\u8fd9\u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e3aCPU\u6838\u5fc3\u6570\u7684\u4e24\u500d\u5de6\u53f3\u662f\u4e00\u4e2a\u6bd4\u8f83\u597d\u7684\u8d77\u70b9&#xff0c;\u56e0\u4e3a\u5b83\u5141\u8bb8\u64cd\u4f5c\u7cfb\u7edf\u6709\u6548\u5730\u8c03\u5ea6\u5de5\u4f5c\u7ebf\u7a0b\u3002 <\/p>\n<p> \u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;  NumberOfConcurrentThreads  \u4e0d\u5f3a\u5236\u9650\u5236\u7ebf\u7a0b\u7684\u521b\u5efa&#xff0c;\u5b83\u53ea\u662f\u4e3a\u7ebf\u7a0b\u6c60\u63d0\u4f9b\u4e00\u4e2a\u6307\u5bfc\u503c\u3002\u7cfb\u7edf\u4f1a\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u52a8\u6001\u8c03\u6574\u6d3b\u52a8\u7ebf\u7a0b\u7684\u6570\u91cf\u3002\u56e0\u6b64&#xff0c;\u5b9e\u9645\u80fd\u591f\u5e76\u53d1\u5904\u7406\u7684\u4efb\u52a1\u6570\u53ef\u80fd\u8d85\u8fc7\u6b64\u53c2\u6570\u8bbe\u5b9a\u503c\u3002 <\/p>\n<h3> 3.2 IOCP\u670d\u52a1\u5668\u7684\u4e3b\u8981\u7ec4\u4ef6 <\/h3>\n<h4> 3.2.1 \u5de5\u4f5c\u7ebf\u7a0b\u7684\u8bbe\u8ba1\u548c\u7ba1\u7406 <\/h4>\n<p> IOCP\u6a21\u578b\u4e0b&#xff0c;\u5de5\u4f5c\u7ebf\u7a0b\u662f\u5b9e\u73b0\u5e76\u53d1\u5904\u7406\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u8fd9\u4e9b\u7ebf\u7a0b\u5728IOCP\u5bf9\u8c61\u4e0a\u7b49\u5f85\u5b8c\u6210\u7aef\u53e3\u4e8b\u4ef6&#xff0c;\u5e76\u5728\u4e8b\u4ef6\u53d1\u751f\u65f6\u88ab\u7cfb\u7edf\u8c03\u5ea6\u6267\u884c\u3002\u5de5\u4f5c\u7ebf\u7a0b\u7684\u6570\u91cf\u901a\u5e38\u5728IOCP\u5bf9\u8c61\u521d\u59cb\u5316\u65f6\u901a\u8fc7  NumberOfConcurrentThreads  \u53c2\u6570\u6765\u51b3\u5b9a\u3002 <\/p>\n<p> \u5de5\u4f5c\u7ebf\u7a0b\u4e3b\u8981\u8d1f\u8d23\u4eceIOCP\u5bf9\u8c61\u4e2d\u53d6\u51faI\/O\u5b8c\u6210\u5305\u5e76\u5904\u7406\u3002\u7531\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u5df2\u7ecf\u505a\u597d\u4e86\u8d1f\u8f7d\u5747\u8861&#xff0c;\u901a\u5e38\u4e0d\u9700\u8981\u624b\u52a8\u63a7\u5236\u7ebf\u7a0b\u7684\u521b\u5efa\u6216\u9500\u6bc1\u3002\u4f46\u662f&#xff0c;\u8bbe\u8ba1\u65f6\u9700\u8981\u6ce8\u610f\u7ebf\u7a0b\u540c\u6b65\u95ee\u9898&#xff0c;\u907f\u514d\u591a\u7ebf\u7a0b\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u65f6\u53d1\u751f\u7684\u51b2\u7a81\u3002 <\/p>\n<h4> 3.2.2 \u7f51\u7edc\u901a\u4fe1\u7684\u5b9e\u73b0 <\/h4>\n<p> IOCP\u670d\u52a1\u5668\u7684\u7f51\u7edc\u901a\u4fe1\u662f\u57fa\u4e8e\u5f02\u6b65I\/O\u64cd\u4f5c\u5b9e\u73b0\u7684\u3002\u670d\u52a1\u5668\u901a\u8fc7\u8c03\u7528  AcceptEx  \u3001  ReadFile  \u3001  WriteFile  \u7b49\u51fd\u6570&#xff0c;\u5e76\u5c06\u8fd9\u4e9b\u51fd\u6570\u4e0eIOCP\u5bf9\u8c61\u5173\u8054&#xff0c;\u5b9e\u73b0\u5bf9I\/O\u64cd\u4f5c\u7684\u5f02\u6b65\u5904\u7406\u3002 <\/p>\n<p> \u6bcf\u4e2aI\/O\u64cd\u4f5c\u5b8c\u6210\u540e&#xff0c;\u7cfb\u7edf\u90fd\u4f1a\u751f\u6210\u4e00\u4e2a\u5b8c\u6210\u5305&#xff0c;\u5e76\u5c06\u5176\u653e\u5165IOCP\u5bf9\u8c61\u7684\u961f\u5217\u4e2d\u3002\u5de5\u4f5c\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u8fd9\u4e9b\u5b8c\u6210\u5305\u5e76\u6839\u636e\u5305\u4e2d\u7684  CompletionKey  \u6765\u5904\u7406\u5177\u4f53\u7684\u4e1a\u52a1\u903b\u8f91\u3002 <\/p>\n<h3> 3.3 \u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5 <\/h3>\n<h4> 3.3.1 \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u7b56\u7565 <\/h4>\n<p> \u5728IOCP\u6a21\u578b\u4e2d&#xff0c;\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u901a\u5e38\u4f7f\u7528  AcceptEx  \u51fd\u6570\u3002\u8be5\u51fd\u6570\u662f\u975e\u963b\u585e\u4e14\u5f02\u6b65\u7684&#xff0c;\u975e\u5e38\u9002\u5408\u5728IOCP\u6a21\u578b\u4e2d\u4f7f\u7528\u3002\u670d\u52a1\u5668\u7aef\u4f1a\u4e3a\u6bcf\u4e2a\u65b0\u8fde\u63a5\u8c03\u7528  AcceptEx  &#xff0c;\u5e76\u5c06\u8be5\u51fd\u6570\u4e0eIOCP\u5bf9\u8c61\u5173\u8054\u3002 <\/p>\n<p>BOOL AcceptEx(<br \/>\n  SOCKET       sListenSocket,<br \/>\n  SOCKET       sAcceptSocket,<br \/>\n  PVOID        lpOutputBuffer,<br \/>\n  DWORD        dwReceiveDataLength<br \/>\n);<\/p>\n<ul>\n<li>  sListenSocket  &#xff1a;\u76d1\u542csocket\u3002 <\/li>\n<li>  sAcceptSocket  &#xff1a;\u7528\u4e8e\u63a5\u6536\u7684socket\u3002 <\/li>\n<li>  lpOutputBuffer  &#xff1a;\u63d0\u4f9b\u4e00\u4e2a\u63a5\u6536\u7f13\u51b2\u533a&#xff0c;\u901a\u5e38\u7528\u4e8e\u540c\u65f6\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u5730\u5740\u4fe1\u606f\u548c\u6570\u636e\u3002 <\/li>\n<li>  dwReceiveDataLength  &#xff1a;\u5728\u63a5\u6536\u5230\u6570\u636e\u65f6\u653e\u5165\u7f13\u51b2\u533a\u7684\u5b57\u8282\u6570\u3002 <\/li>\n<\/ul>\n<p>  AcceptEx  \u51fd\u6570\u63a5\u53d7\u4e24\u4e2asocket\u53e5\u67c4\u4f5c\u4e3a\u53c2\u6570&#xff1a;\u4e00\u4e2a\u662f\u76d1\u542csocket&#xff0c;\u53e6\u4e00\u4e2a\u662f\u7528\u4e8e\u901a\u4fe1\u7684socket\u3002\u5f53\u4e00\u4e2a\u65b0\u8fde\u63a5\u5efa\u7acb\u65f6&#xff0c;  AcceptEx  \u4f1a\u5c06\u76f8\u5173\u4fe1\u606f\u653e\u5165  lpOutputBuffer  &#xff0c;\u5e76\u5728\u5b8c\u6210\u65f6\u751f\u6210\u4e00\u4e2a\u5b8c\u6210\u5305\u5230IOCP\u961f\u5217\u3002 <\/p>\n<h4> 3.3.2 \u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u5f02\u5e38\u5904\u7406 <\/h4>\n<p> \u5728IOCP\u4e2d&#xff0c;\u5904\u7406\u5f02\u5e38\u8fde\u63a5\u7684\u5173\u952e\u5728\u4e8e\u76d1\u63a7\u5b8c\u6210\u5305\u7684\u72b6\u6001&#xff0c;\u5e76\u5bf9\u5931\u8d25\u7684\u64cd\u4f5c\u8fdb\u884c\u9002\u5f53\u7684\u5904\u7406\u3002\u4f8b\u5982&#xff0c;  AcceptEx  \u64cd\u4f5c\u5931\u8d25\u65f6&#xff0c;\u901a\u5e38\u8fd4\u56deFALSE&#xff0c;\u5e76\u901a\u8fc7  GetLastError  \u83b7\u53d6\u9519\u8bef\u4ee3\u7801\u3002\u53ef\u4ee5\u8bbe\u7f6e\u8d85\u65f6\u673a\u5236&#xff0c;\u5f53\u67d0\u4e2a\u8fde\u63a5\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u6ca1\u6709\u5b8c\u6210\u64cd\u4f5c&#xff0c;\u5c31\u5e94\u8be5\u8ba4\u4e3a\u8fde\u63a5\u5f02\u5e38&#xff0c;\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5f02\u5e38\u5904\u7406\u3002 <\/p>\n<p> \u5f02\u5e38\u5904\u7406\u901a\u5e38\u5305\u62ec\u5173\u95ed\u5931\u8d25\u7684socket\u3001\u8bb0\u5f55\u9519\u8bef\u4fe1\u606f\u7b49\u6b65\u9aa4\u3002\u786e\u4fdd\u5f02\u5e38\u8fde\u63a5\u4e0d\u4f1a\u5f71\u54cd\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002\u6b64\u5916&#xff0c;\u5bf9\u4e8e\u5f02\u5e38\u65ad\u5f00\u7684\u5ba2\u6237\u7aef\u8fde\u63a5&#xff0c;\u4e5f\u9700\u8981\u8fdb\u884c\u9002\u5f53\u7684\u6e05\u7406&#xff0c;\u4ee5\u786e\u4fdd\u8d44\u6e90\u7684\u6b63\u786e\u91ca\u653e\u3002 <\/p>\n<h2> 4. IOCP\u5ba2\u6237\u7aef\u5b9e\u73b0\u6d41\u7a0b <\/h2>\n<h3> 4.1 \u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7684\u5efa\u7acb <\/h3>\n<h4> 4.1.1 \u5ba2\u6237\u7aef\u521d\u59cb\u5316\u548c\u914d\u7f6e <\/h4>\n<p> \u5728\u5efa\u7acb\u4e0e\u670d\u52a1\u5668\u7684\u901a\u4fe1\u4e4b\u524d&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u521d\u59cb\u5316\u548c\u914d\u7f6e\u3002\u8fd9\u4e00\u8fc7\u7a0b\u6d89\u53ca\u5230\u8bbe\u7f6e\u5ba2\u6237\u7aef\u7684\u7f51\u7edc\u534f\u8bae\u6808&#xff0c;\u4ee5\u4fbf\u80fd\u591f\u6b63\u786e\u5730\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u521d\u59cb\u5316\u8fc7\u7a0b\u4e2d&#xff0c;\u901a\u5e38\u9700\u8981\u7ed1\u5b9aIP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u914d\u7f6e\u5957\u63a5\u5b57\u9009\u9879\u4ee5\u53ca\u6307\u5b9a\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u7b49\u53c2\u6570\u3002\u5ba2\u6237\u7aef\u521d\u59cb\u5316\u7684\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b&#xff1a; <\/p>\n<p>SOCKET clientSocket &#061; socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);<br \/>\nif (clientSocket &#061;&#061; INVALID_SOCKET) {<br \/>\n    \/\/ \u9519\u8bef\u5904\u7406&#xff1a;\u65e0\u6cd5\u521b\u5efa\u5957\u63a5\u5b57<br \/>\n}<\/p>\n<p>\/\/ \u914d\u7f6e\u5957\u63a5\u5b57\u9009\u9879&#xff0c;\u4f8b\u5982\u5f00\u542fSOCK_NODELAY\u7981\u7528Nagle\u7b97\u6cd5<br \/>\nint nodelay &#061; 1;<br \/>\nsetsockopt(clientSocket, IPPROTO_TCP, TCP_NODELAY, (char*)&amp;nodelay, sizeof(nodelay));<\/p>\n<p>\/\/ \u5b9a\u4e49\u670d\u52a1\u5668\u5730\u5740\u4fe1\u606f<br \/>\nstruct sockaddr_in serverAddr;<br \/>\nserverAddr.sin_family &#061; AF_INET;<br \/>\nserverAddr.sin_port &#061; htons(8080); \/\/ \u670d\u52a1\u5668\u7aef\u53e3\u53f7<br \/>\ninet_pton(AF_INET, &#034;127.0.0.1&#034;, &amp;serverAddr.sin_addr); \/\/ \u670d\u52a1\u5668IP\u5730\u5740<\/p>\n<p>\/\/ \u8fde\u63a5\u5230\u670d\u52a1\u5668<br \/>\nif (connect(clientSocket, (struct sockaddr*)&amp;serverAddr, sizeof(serverAddr)) &lt; 0) {<br \/>\n    \/\/ \u9519\u8bef\u5904\u7406&#xff1a;\u8fde\u63a5\u670d\u52a1\u5668\u5931\u8d25<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aTCP\u5957\u63a5\u5b57&#xff0c;\u5e76\u5bf9\u5176\u8fdb\u884c\u4e86\u9519\u8bef\u68c0\u67e5\u3002\u7136\u540e&#xff0c;\u914d\u7f6e\u4e86\u5957\u63a5\u5b57\u9009\u9879\u4ee5\u4f18\u5316\u7f51\u7edc\u6027\u80fd&#xff0c;\u5e76\u5b9a\u4e49\u4e86\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u4fe1\u606f\u3002\u6700\u540e&#xff0c;\u901a\u8fc7  connect  \u51fd\u6570\u5c1d\u8bd5\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002 <\/p>\n<h4> 4.1.2 \u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u8fc7\u7a0b <\/h4>\n<p> \u8fde\u63a5\u670d\u52a1\u5668\u901a\u5e38\u5305\u62ec\u540c\u6b65\u548c\u5f02\u6b65\u4e24\u79cd\u65b9\u5f0f\u3002\u5728\u540c\u6b65\u8fde\u63a5\u65b9\u5f0f\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u4f1a\u963b\u585e\u76f4\u5230\u8fde\u63a5\u6210\u529f\u6216\u5931\u8d25\u3002\u5728\u5f02\u6b65\u8fde\u63a5\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1&#xff0c;\u800c\u8fde\u63a5\u64cd\u4f5c\u5728\u540e\u53f0\u8fdb\u884c&#xff0c;\u901a\u8fc7\u56de\u8c03\u51fd\u6570\u83b7\u53d6\u8fde\u63a5\u7ed3\u679c\u3002\u5f02\u6b65\u8fde\u63a5\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b&#xff1a; <\/p>\n<p>WSADATA wsaData;<br \/>\nif (WSAStartup(MAKEWORD(2,2), &amp;wsaData) !&#061; 0) {<br \/>\n    \/\/ \u9519\u8bef\u5904\u7406&#xff1a;WSAStartup\u5931\u8d25<br \/>\n}<\/p>\n<p>SOCKET clientSocket &#061; socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);<br \/>\nif (clientSocket &#061;&#061; INVALID_SOCKET) {<br \/>\n    \/\/ \u9519\u8bef\u5904\u7406&#xff1a;\u65e0\u6cd5\u521b\u5efa\u5957\u63a5\u5b57<br \/>\n    WSACleanup();<br \/>\n}<\/p>\n<p>\/\/ \u8bbe\u7f6e\u5f02\u6b65\u8fde\u63a5<br \/>\nWSAConnect(clientSocket, (SOCKADDR*)&amp;serverAddr, sizeof(serverAddr), NULL, NULL, NULL, NULL);<\/p>\n<p>\/\/ \u53d1\u8d77\u5f02\u6b65\u8fde\u63a5<br \/>\nWSAIoctl(clientSocket, FIONBIO, (PCHAR)&amp;OVERLAPPED, sizeof(OVERLAPPED), NULL, 0,<br \/>\n    NULL, NULL, NULL);<\/p>\n<p>\/\/ \u5b8c\u6210\u8fde\u63a5\u540e\u7684\u56de\u8c03\u51fd\u6570<br \/>\nvoid CALLBACK ConnectCallback(DWORD errorCode, DWORD bytesTransfered,<br \/>\n    LPWSAOVERLAPPED lpOverlapped, DWORD_PTR dwFlags) {<br \/>\n    \/\/ \u6839\u636eerrorCode\u5224\u65ad\u8fde\u63a5\u662f\u5426\u6210\u529f&#xff0c;\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406<br \/>\n}<\/p>\n<p> \u5728\u8be5\u793a\u4f8b\u4e2d&#xff0c;\u901a\u8fc7  WSAConnect  \u51fd\u6570\u53d1\u8d77\u5f02\u6b65\u8fde\u63a5&#xff0c;\u5e76\u5c06\u5957\u63a5\u5b57\u8bbe\u7f6e\u4e3a\u975e\u963b\u585e\u6a21\u5f0f\u3002\u901a\u8fc7  WSAIoctl  \u51fd\u6570\u6307\u5b9a\u4e00\u4e2a\u56de\u8c03\u51fd\u6570  ConnectCallback  &#xff0c;\u8be5\u51fd\u6570\u4f1a\u5728\u8fde\u63a5\u5b8c\u6210\u540e\u88ab\u8c03\u7528\u3002\u5728\u56de\u8c03\u51fd\u6570\u4e2d&#xff0c;\u53ef\u4ee5\u6839\u636e  errorCode  \u5224\u65ad\u8fde\u63a5\u662f\u5426\u6210\u529f&#xff0c;\u5e76\u6267\u884c\u8fdb\u4e00\u6b65\u7684\u64cd\u4f5c\u3002 <\/p>\n<h3> 4.2 \u6570\u636e\u7684\u53d1\u9001\u4e0e\u63a5\u6536 <\/h3>\n<h4> 4.2.1 \u53d1\u9001\u6570\u636e\u7684\u65b9\u6cd5\u548c\u7b56\u7565 <\/h4>\n<p> \u53d1\u9001\u6570\u636e\u662f\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7684\u4e00\u4e2a\u91cd\u8981\u90e8\u5206&#xff0c;\u9700\u8981\u8003\u8651\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u6548\u7387\u3002IOCP\u6a21\u578b\u4e0b&#xff0c;\u53d1\u9001\u64cd\u4f5c\u901a\u5e38\u662f\u5f02\u6b65\u7684&#xff0c;\u53ef\u4ee5\u907f\u514d\u5728\u53d1\u9001\u5927\u5757\u6570\u636e\u65f6\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u4ee5\u4e0b\u662f\u53d1\u9001\u6570\u636e\u7684\u7b56\u7565\u548c\u793a\u4f8b\u4ee3\u7801&#xff1a; <\/p>\n<p>DWORD sentBytes;<br \/>\nchar dataToSend[] &#061; &#034;Hello, Server!&#034;;<br \/>\nBOOL sendResult &#061; WSASend(clientSocket, &amp;dataToSend, sizeof(dataToSend), &amp;sentBytes,<br \/>\n    0, NULL, NULL);<\/p>\n<p>if (!sendResult &amp;&amp; WSAGetLastError() !&#061; WSA_IO_PENDING) {<br \/>\n    \/\/ \u9519\u8bef\u5904\u7406&#xff1a;\u53d1\u9001\u5931\u8d25<br \/>\n}<\/p>\n<p>\/\/ \u7b49\u5f85\u53d1\u9001\u64cd\u4f5c\u5b8c\u6210<br \/>\nif (WSAGetOverlappedResult(clientSocket, &amp;overlap, &amp;sentBytes, FALSE, &amp;flags)) {<br \/>\n    \/\/ \u53d1\u9001\u6210\u529f<br \/>\n} else {<br \/>\n    \/\/ \u53d1\u9001\u5931\u8d25<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;\u4f7f\u7528  WSASend  \u51fd\u6570\u5f02\u6b65\u53d1\u9001\u6570\u636e&#xff0c;\u5e76\u901a\u8fc7  WSAGetOverlappedResult  \u51fd\u6570\u7b49\u5f85\u53d1\u9001\u64cd\u4f5c\u5b8c\u6210\u3002\u5728  WSASend  \u51fd\u6570\u4e2d&#xff0c;\u5982\u679c\u7acb\u5373\u8fd4\u56de\u5931\u8d25&#xff0c;\u5e76\u4e14\u9519\u8bef\u7801\u4e0d\u662f  WSA_IO_PENDING  &#xff0c;\u5219\u8bf4\u660e\u53d1\u9001\u64cd\u4f5c\u65e0\u6cd5\u5f00\u59cb&#xff0c;\u9700\u8981\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002\u5982\u679c\u53d1\u9001\u64cd\u4f5c\u5728\u7b49\u5f85\u4e2d\u5b8c\u6210&#xff0c;\u5219\u8868\u793a\u6570\u636e\u5df2\u6210\u529f\u53d1\u9001\u3002 <\/p>\n<h4> 4.2.2 \u63a5\u6536\u6570\u636e\u7684\u5904\u7406\u6d41\u7a0b <\/h4>\n<p> \u63a5\u6536\u6570\u636e\u662f\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7684\u53e6\u4e00\u90e8\u5206\u3002\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u5b9e\u65f6\u6027\u548c\u8fde\u7eed\u6027&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u9ad8\u6548\u5730\u4ece\u670d\u52a1\u5668\u63a5\u6536\u6570\u636e\u3002\u63a5\u6536\u6570\u636e\u901a\u5e38\u4e5f\u662f\u5f02\u6b65\u5b8c\u6210\u7684&#xff0c;\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b&#xff1a; <\/p>\n<p>char recvBuffer[1024];<br \/>\nDWORD recvBytes;<br \/>\nWSABUF recvBuf &#061; { sizeof(recvBuffer), recvBuffer };<\/p>\n<p>WSARecv(clientSocket, &amp;recvBuf, 1, &amp;recvBytes, &amp;flags, NULL, NULL);<\/p>\n<p>\/\/ \u7b49\u5f85\u63a5\u6536\u64cd\u4f5c\u5b8c\u6210<br \/>\nif (WSAGetOverlappedResult(clientSocket, &amp;overlap, &amp;recvBytes, FALSE, &amp;flags)) {<br \/>\n    \/\/ \u63a5\u6536\u6210\u529f&#xff0c;\u5904\u7406\u6570\u636e<br \/>\n} else {<br \/>\n    \/\/ \u63a5\u6536\u5931\u8d25<br \/>\n}<\/p>\n<p>\/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e<br \/>\nProcessData(recvBuffer, recvBytes);<\/p>\n<p> \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d&#xff0c;\u901a\u8fc7  WSARecv  \u51fd\u6570\u63a5\u6536\u6570\u636e&#xff0c;\u5e76\u901a\u8fc7  WSAGetOverlappedResult  \u51fd\u6570\u7b49\u5f85\u63a5\u6536\u64cd\u4f5c\u7684\u5b8c\u6210\u3002\u5982\u679c\u63a5\u6536\u6210\u529f&#xff0c;\u5219\u8c03\u7528  ProcessData  \u51fd\u6570\u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\u3002 <\/p>\n<h3> 4.3 \u5ba2\u6237\u7aef\u7684\u5f02\u5e38\u5904\u7406\u548c\u8d44\u6e90\u7ba1\u7406 <\/h3>\n<h4> 4.3.1 \u5f02\u5e38\u60c5\u51b5\u4e0b\u7684\u91cd\u8fde\u673a\u5236 <\/h4>\n<p> \u5728\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u8fc7\u7a0b\u4e2d&#xff0c;\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u5f02\u5e38&#xff0c;\u5982\u7f51\u7edc\u4e2d\u65ad\u3001\u670d\u52a1\u5668\u5d29\u6e83\u7b49\u3002\u4e3a\u4e86\u4fdd\u8bc1\u901a\u4fe1\u7684\u7a33\u5b9a\u6027&#xff0c;\u9700\u8981\u5b9e\u73b0\u5f02\u5e38\u60c5\u51b5\u4e0b\u7684\u91cd\u8fde\u673a\u5236\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b&#xff1a; <\/p>\n<p>while (true) {<br \/>\n    \/\/ \u5c1d\u8bd5\u8fde\u63a5\u670d\u52a1\u5668<br \/>\n    if (TryConnectToServer()) {<br \/>\n        \/\/ \u8fde\u63a5\u6210\u529f&#xff0c;\u8fdb\u884c\u901a\u4fe1<br \/>\n        break;<br \/>\n    }<br \/>\n    \/\/ \u8fde\u63a5\u5931\u8d25&#xff0c;\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u91cd\u8bd5<br \/>\n    Sleep(1000);<br \/>\n}<\/p>\n<p> \u8be5\u793a\u4f8b\u4ee3\u7801\u5728\u8fde\u63a5\u670d\u52a1\u5668\u5931\u8d25\u65f6&#xff0c;\u4f1a\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u91cd\u8bd5&#xff0c;\u76f4\u5230\u6210\u529f\u8fde\u63a5\u670d\u52a1\u5668\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u6709\u6548&#xff0c;\u4f46\u5e94\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u8c03\u6574\u91cd\u8bd5\u903b\u8f91&#xff0c;\u4ee5\u907f\u514d\u8d44\u6e90\u6d6a\u8d39\u3002 <\/p>\n<h4> 4.3.2 \u5ba2\u6237\u7aef\u8d44\u6e90\u7684\u6e05\u7406\u548c\u91ca\u653e <\/h4>\n<p> \u5728\u5ba2\u6237\u7aef\u5173\u95ed\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\u540e&#xff0c;\u9700\u8981\u53ca\u65f6\u6e05\u7406\u548c\u91ca\u653e\u76f8\u5173\u7684\u8d44\u6e90&#xff0c;\u5982\u5173\u95ed\u5957\u63a5\u5b57\u3001\u6e05\u7406\u7f13\u51b2\u533a\u7b49\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b&#xff1a; <\/p>\n<p>if (clientSocket !&#061; INVALID_SOCKET) {<br \/>\n    closesocket(clientSocket);<br \/>\n    WSACleanup();<br \/>\n}<\/p>\n<p> \u8fd9\u6bb5\u4ee3\u7801\u9996\u5148\u68c0\u67e5\u5957\u63a5\u5b57\u662f\u5426\u6709\u6548&#xff0c;\u7136\u540e\u8c03\u7528  closesocket  \u51fd\u6570\u5173\u95ed\u5957\u63a5\u5b57&#xff0c;\u5e76\u8c03\u7528  WSACleanup  \u51fd\u6570\u8fdb\u884cWinsock\u5e93\u7684\u6e05\u7406\u5de5\u4f5c\u3002\u8fd9\u4e9b\u64cd\u4f5c\u786e\u4fdd\u4e86\u7f51\u7edc\u8d44\u6e90\u88ab\u6b63\u786e\u5730\u91ca\u653e&#xff0c;\u907f\u514d\u4e86\u5185\u5b58\u6cc4\u6f0f\u7b49\u95ee\u9898\u3002 <\/p>\n<p> \u5728\u5ba2\u6237\u7aef\u5b9e\u73b0\u6d41\u7a0b\u4e2d&#xff0c;\u9700\u8981\u786e\u4fdd\u6bcf\u4e00\u4e2a\u6b65\u9aa4\u90fd\u80fd\u591f\u7a33\u5065\u5730\u6267\u884c&#xff0c;\u5e76\u4e14\u62e5\u6709\u5b8c\u5584\u7684\u9519\u8bef\u5904\u7406\u673a\u5236&#xff0c;\u4ece\u800c\u4fdd\u8bc1\u5ba2\u6237\u7aef\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n<h2> 5. IOCP\u9879\u76ee\u4ee3\u7801\u5206\u6790 <\/h2>\n<h3> 5.1 \u670d\u52a1\u5668\u7aef\u4ee3\u7801\u7ed3\u6784\u5206\u6790 <\/h3>\n<h4> 5.1.1 \u5173\u952e\u4ee3\u7801\u7684\u529f\u80fd\u89e3\u6790 <\/h4>\n<p>HANDLE hCompletionPort;<br \/>\nhCompletionPort &#061; CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, 0);<\/p>\n<p> \u5728IOCP\u6a21\u578b\u4e2d&#xff0c;  CreateIoCompletionPort  \u662f\u4e00\u4e2a\u5173\u952e\u51fd\u6570&#xff0c;\u7528\u4e8e\u521b\u5efa\u6216\u6253\u5f00\u4e00\u4e2aI\/O\u5b8c\u6210\u7aef\u53e3\u3002\u7b2c\u4e00\u53c2\u6570  INVALID_HANDLE_VALUE  \u8868\u793a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b8c\u6210\u7aef\u53e3\u3002\u7b2c\u4e8c\u4e2a\u53c2\u6570  NULL  \u8868\u793a\u5f53\u524d\u6ca1\u6709\u5173\u8054\u7684\u6587\u4ef6\u53e5\u67c4\u3002  0  \u4f5c\u4e3a\u7b2c\u4e09\u4e2a\u53c2\u6570\u8868\u793a\u4e0d\u4e3a\u5b8c\u6210\u7aef\u53e3\u6307\u5b9a\u6bcf\u4e2aI\/O\u7684\u6700\u5927\u5e76\u53d1\u6570&#xff0c;\u800c  0  \u4f5c\u4e3a\u7b2c\u56db\u4e2a\u53c2\u6570\u8868\u793a\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002 <\/p>\n<h4> 5.1.2 \u4ee3\u7801\u4e2d\u7684\u4f18\u5316\u70b9\u548c\u6280\u5de7 <\/h4>\n<p> \u4ee3\u7801\u4e2d\u7684\u4f18\u5316\u70b9\u4e4b\u4e00\u662f\u4f7f\u7528\u5faa\u73af\u6765\u76d1\u542c\u5b8c\u6210\u7aef\u53e3\u4e0a\u7684I\/O\u64cd\u4f5c&#xff0c;\u800c\u4e0d\u662f\u4f7f\u7528\u963b\u585e\u8c03\u7528\u3002\u8fd9\u901a\u8fc7GetQueuedCompletionStatus\u51fd\u6570\u5b9e\u73b0&#xff0c;\u5b83\u53ef\u4ee5\u4ece\u5b8c\u6210\u7aef\u53e3\u7684\u961f\u5217\u4e2d\u68c0\u7d22I\/O\u5b8c\u6210\u5305\u3002\u6b64\u51fd\u6570\u8fd4\u56de\u65f6&#xff0c;\u5c06\u63d0\u4f9b\u5b8c\u6210\u64cd\u4f5c\u7684\u7ebf\u7a0bID\u548c\u4f20\u8f93\u7684\u5b57\u8282\u6570\u7b49\u4fe1\u606f\u3002 <\/p>\n<p>while (true) {<br \/>\n    DWORD bytesRead;<br \/>\n    ULONG_PTR key;<br \/>\n    LPOVERLAPPED overlapped;<\/p>\n<p>    if (GetQueuedCompletionStatus(<br \/>\n        hCompletionPort,<br \/>\n        &amp;bytesRead,<br \/>\n        &amp;key,<br \/>\n        &amp;overlapped,<br \/>\n        INFINITE<br \/>\n    )) {<br \/>\n        \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e<br \/>\n    } else {<br \/>\n        \/\/ \u9519\u8bef\u5904\u7406<br \/>\n    }<br \/>\n}<\/p>\n<h3> 5.2 \u5ba2\u6237\u7aef\u4ee3\u7801\u7ed3\u6784\u5206\u6790 <\/h3>\n<h4> 5.2.1 \u5ba2\u6237\u7aef\u903b\u8f91\u7684\u8bbe\u8ba1\u601d\u8def <\/h4>\n<p> \u5ba2\u6237\u7aef\u7684\u8bbe\u8ba1\u601d\u8def\u901a\u5e38\u6d89\u53ca\u5230\u5efa\u7acb\u8fde\u63a5\u3001\u6570\u636e\u4f20\u8f93\u548c\u8fde\u63a5\u7ef4\u62a4\u3002\u5728IOCP\u6a21\u578b\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u5728\u8fde\u63a5\u5230\u670d\u52a1\u5668\u540e&#xff0c;\u4f1a\u901a\u8fc7\u5b8c\u6210\u7aef\u53e3\u6765\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5ba2\u6237\u7aef\u7684\u4e3b\u5faa\u73af\u8d1f\u8d23\u5904\u7406\u6570\u636e\u63a5\u6536\u4e8b\u4ef6&#xff0c;\u5e76\u53d1\u9001\u6570\u636e\u8bf7\u6c42\u5230\u670d\u52a1\u5668\u3002 <\/p>\n<h4> 5.2.2 \u5982\u4f55\u5b9e\u73b0\u7a33\u5b9a\u9ad8\u6548\u7684\u901a\u4fe1 <\/h4>\n<p> \u5b9e\u73b0\u7a33\u5b9a\u9ad8\u6548\u7684\u901a\u4fe1\u7684\u5173\u952e\u662f\u786e\u4fdd\u53d1\u9001\u548c\u63a5\u6536\u64cd\u4f5c\u7684\u9ad8\u6548\u6027\u3002\u4e3a\u4e86\u505a\u5230\u8fd9\u4e00\u70b9&#xff0c;\u4ee3\u7801\u4e2d\u5e94\u5305\u542b\u5bf9\u9519\u8bef\u5904\u7406\u7684\u4f18\u5316&#xff0c;\u5e76\u4e14\u8981\u5145\u5206\u5229\u7528\u5b8c\u6210\u7aef\u53e3\u7684\u5e76\u53d1\u7279\u6027\u3002\u4f8b\u5982&#xff0c;\u5728\u53d1\u9001\u8bf7\u6c42\u540e&#xff0c;\u5ba2\u6237\u7aef\u4e0d\u4f1a\u7acb\u5373\u7b49\u5f85\u7ed3\u679c&#xff0c;\u800c\u662f\u7ee7\u7eed\u5904\u7406\u5176\u4ed6\u4efb\u52a1&#xff0c;\u76f4\u5230\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u3002 <\/p>\n<p>ConnectNamedPipe(hNamedPipe, NULL); \/\/ \u975e\u963b\u585e\u6a21\u5f0f\u4e0b\u8fde\u63a5\u7ba1\u9053<\/p>\n<p>\/\/ \u53d1\u9001\u6570\u636e<br \/>\nWriteFile(hFile, buffer, size, NULL, overlapped);<\/p>\n<p>\/\/ \u63a5\u6536\u6570\u636e<br \/>\nReadFile(hFile, buffer, size, NULL, overlapped);<\/p>\n<h3> 5.3 \u9879\u76ee\u4e2d\u9047\u5230\u7684\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848 <\/h3>\n<h4> 5.3.1 \u7f51\u7edc\u7f16\u7a0b\u5e38\u89c1\u95ee\u9898 <\/h4>\n<p> \u7f51\u7edc\u7f16\u7a0b\u4e2d\u7684\u5e38\u89c1\u95ee\u9898\u5305\u62ec\u7f51\u7edc\u5ef6\u8fdf\u3001\u6570\u636e\u5305\u4e22\u5931\u3001\u4ee5\u53ca\u7531\u4e8e\u7f51\u7edc\u95ee\u9898\u5bfc\u81f4\u7684\u8fde\u63a5\u8d85\u65f6\u7b49\u3002IOCP\u6a21\u578b\u901a\u8fc7\u5f02\u6b65I\/O\u548c\u4e8b\u4ef6\u901a\u77e5\u673a\u5236\u6765\u51cf\u5c11\u8fd9\u4e9b\u60c5\u51b5\u7684\u5f71\u54cd\u3002\u5f53\u670d\u52a1\u5668\u957f\u65f6\u95f4\u672a\u6536\u5230\u5ba2\u6237\u7aef\u7684\u6570\u636e\u65f6&#xff0c;\u53ef\u4ee5\u6839\u636e\u7279\u5b9a\u903b\u8f91\u5b9e\u73b0\u8d85\u65f6\u68c0\u6d4b\u548c\u5904\u7406\u3002 <\/p>\n<h4> 5.3.2 IOCP\u4f7f\u7528\u4e2d\u7684\u6027\u80fd\u74f6\u9888\u53ca\u5bf9\u7b56 <\/h4>\n<p> \u5f53\u670d\u52a1\u5668\u5904\u7406\u7684\u5e76\u53d1\u8fde\u63a5\u6570\u8fc7\u591a\u65f6&#xff0c;\u53ef\u80fd\u4f1a\u9047\u5230\u6027\u80fd\u74f6\u9888\u3002\u5bf9\u7b56\u4e4b\u4e00\u662f\u589e\u52a0\u5de5\u4f5c\u7ebf\u7a0b\u7684\u6570\u91cf&#xff0c;\u5e76\u786e\u4fdd\u8fd9\u4e9b\u7ebf\u7a0b\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406I\/O\u64cd\u4f5c\u3002\u53e6\u4e00\u4e2a\u5bf9\u7b56\u662f\u901a\u8fc7\u76d1\u63a7\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u6765\u52a8\u6001\u8c03\u6574\u7ebf\u7a0b\u6570\u91cf\u3002\u5728\u4ee3\u7801\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u6027\u80fd\u8ba1\u6570\u5668\u6216\u8005\u81ea\u5b9a\u4e49\u76d1\u63a7\u903b\u8f91\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002 <\/p>\n<p>\/\/ \u793a\u4f8b&#xff1a;\u76d1\u63a7\u903b\u8f91\u4ee3\u7801\u7247\u6bb5&#xff0c;\u7528\u4e8e\u68c0\u6d4bCPU\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<br \/>\nunsigned long cpuUsage &#061; GetSystemCpuUsage();<br \/>\nunsigned long memoryUsage &#061; GetSystemMemoryUsage();<br \/>\nif (cpuUsage &gt; 75 || memoryUsage &gt; 80) {<br \/>\n    \/\/ \u589e\u52a0\u5de5\u4f5c\u7ebf\u7a0b\u6570\u91cf\u6216\u8fdb\u884c\u5176\u4ed6\u4f18\u5316<br \/>\n}<\/p>\n<p> \u901a\u8fc7\u8fd9\u4e9b\u4ee3\u7801\u5206\u6790\u548c\u95ee\u9898\u89e3\u51b3\u7b56\u7565&#xff0c;\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528IOCP\u6a21\u578b&#xff0c;\u63d0\u5347\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002 <\/p>\n<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811234516-689a808c23009.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u6587\u5c06\u8be6\u7ec6\u63a2\u8ba8Windows\u4e2dIOCP\u6280\u672f\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u5982\u4f55\u5e94\u7528\u4e8e\u5b9e\u9645\u7f16\u7a0b\u4e2d\u3002IOCP\u662f\u4e00\u79cd\u7528\u4e8e\u5904\u7406\u5927\u91cf\u5e76\u53d1I\/O\u8bf7\u6c42\u7684\u9ad8\u6548\u673a\u5236&#xff0c;\u5c24\u5176\u9002\u7528\u4e8e\u9ad8\u5e76\u53d1\u7f51\u7edc\u7f16\u7a0b\u3002\u901a\u8fc7\u521b\u5efaIOCP&#xff0c;\u5173\u8054\u5957\u63a5\u5b57&#xff0c;\u5904\u7406I\/O\u8bf7\u6c42\u548c\u5b8c\u6210\u901a\u77e5&#xff0c;\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u901a\u4fe1\u3002\u6587\u7ae0\u8fd8\u5c06\u5206\u6790\u300aA Simple IOCP Server\/Client Class\u300b\u9879\u76ee\u4e2d\u7684\u4ee3\u7801&#xff0c;\u4ee5\u4fbf\u8bfb\u8005\u6df1\u5165\u7406\u89e3IOCP\u7684\u4f7f\u7528\u548c\u7f51\u7edc\u7f16\u7a0b\u6280\u5de7\u3002 <\/p>\n<p>   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