{"id":19136,"date":"2025-04-19T01:29:49","date_gmt":"2025-04-18T17:29:49","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/19136.html"},"modified":"2025-04-19T01:29:49","modified_gmt":"2025-04-18T17:29:49","slug":"%e9%87%8d%e6%9e%84%e9%ab%98%e6%80%a7%e8%83%bdtcp%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%ad%e7%9a%84iocp%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/19136.html","title":{"rendered":"\u91cd\u6784\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u4e2d\u7684IOCP\u7c7b"},"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\/04\/20250418172948-68028c0c5c202.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n<p> \u7b80\u4ecb&#xff1a;IOCP\u7c7b\u7684\u6539\u5199\u6d89\u53ca\u5bf9Windows I\/O\u5b8c\u6210\u7aef\u53e3\u6a21\u578b\u7684\u4f18\u5316&#xff0c;\u8be5\u6a21\u578b\u9002\u7528\u4e8e\u6784\u5efa\u9ad8\u6027\u80fd\u7684TCP\u670d\u52a1\u5668\u3002\u901a\u8fc7\u7b80\u5316\u7c7b\u8bbe\u8ba1\u3001\u62bd\u8c61\u590d\u6742\u529f\u80fd\u4e3a\u63a5\u53e3&#xff0c;\u63d0\u5347\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u6539\u5199\u540e\u7684IOCP\u7c7b\u66f4\u7b80\u6d01&#xff0c;\u6613\u6269\u5c55&#xff0c;\u4e14\u4fdd\u6301\u6838\u5fc3\u5904\u7406\u903b\u8f91\u4e0d\u53d8\u3002\u672c\u6587\u6863\u63d0\u4f9b\u4e86\u91cd\u6784\u540e\u7684IOCP\u7c7b\u5b9e\u73b0\u7684\u6e90\u4ee3\u7801&#xff0c;\u5305\u62ecTCP\u670d\u52a1\u5668\u6838\u5fc3\u903b\u8f91\u3001\u5ba2\u6237\u7aef\u4fe1\u606f\u7ba1\u7406\u7b49\u5173\u952e\u7ec4\u4ef6\u3002\u901a\u8fc7\u8fd9\u4e9b\u7ec4\u4ef6&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u51fa\u5177\u6709\u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3001\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u541e\u5410\u91cf\u7684TCP\u670d\u52a1\u5668\u5e94\u7528\u3002 <img decoding=\"async\" alt=\"IOCP\u7c7b \u6539\u5199\u7684\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418172948-68028c0c6ffa2.png\" \/><\/p>\n<h2> 1. IOCP\u6a21\u578b\u7b80\u4ecb <\/h2>\n<p> \u5728\u4fe1\u606f\u6280\u672f\u9886\u57df\u4e2d&#xff0c;IOCP&#xff08;Input\/Output Completion Ports&#xff09;\u6a21\u578b\u662fWindows\u5e73\u53f0\u4e0a\u4e00\u79cd\u9ad8\u6548\u7684\u5f02\u6b65I\/O\u5904\u7406\u673a\u5236\u3002\u5176\u8bbe\u8ba1\u521d\u8877\u662f\u4e3a\u4e86\u4f18\u5316\u7cfb\u7edf\u5728\u5904\u7406\u5927\u91cf\u8f93\u5165\u8f93\u51fa\u8bf7\u6c42\u65f6\u7684\u6027\u80fd\u3002IOCP\u6a21\u578b\u7279\u522b\u9002\u5408\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u5e76\u53d1I\/O\u64cd\u4f5c\u7684\u670d\u52a1\u5668\u5e94\u7528&#xff0c;\u6bd4\u5982\u6587\u4ef6\u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u670d\u52a1\u5668\u548c\u7f51\u7edc\u670d\u52a1\u5668\u7b49\u3002 <\/p>\n<p> IOCP\u6a21\u578b\u7684\u6838\u5fc3\u5728\u4e8e\u5229\u7528\u4e00\u4e2a\u7cfb\u7edf\u5bf9\u8c61\u2014\u2014\u5b8c\u6210\u7aef\u53e3&#xff08;Completion Port&#xff09;&#xff0c;\u8fd9\u4e2a\u7aef\u53e3\u80fd\u591f\u4e0e\u591a\u4e2a\u7ebf\u7a0b\u534f\u4f5c\u3002\u5f53I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6&#xff0c;\u5b8c\u6210\u7aef\u53e3\u4f1a\u901a\u77e5\u76f8\u5173\u7684\u7ebf\u7a0b&#xff0c;\u8fd9\u4e9b\u7ebf\u7a0b\u968f\u540e\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002\u8fd9\u79cd\u673a\u5236\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u4ee5\u66f4\u5c11\u7684\u7ebf\u7a0b\u6765\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1I\/O\u8bf7\u6c42&#xff0c;\u4ece\u800c\u63d0\u9ad8\u4e86\u8d44\u6e90\u5229\u7528\u7387\u548c\u6574\u4f53\u6027\u80fd\u3002 <\/p>\n<p> \u672c\u7ae0\u5c06\u5148\u5bf9IOCP\u6a21\u578b\u7684\u539f\u7406\u548c\u7279\u70b9\u8fdb\u884c\u521d\u6b65\u63a2\u8ba8&#xff0c;\u968f\u540e\u9010\u6b65\u6df1\u5165\u5230\u8bbe\u8ba1\u548c\u4f18\u5316\u9636\u6bb5&#xff0c;\u8ba9\u8bfb\u8005\u80fd\u591f\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u5e94\u7528&#xff0c;\u5168\u9762\u638c\u63e1IOCP\u6a21\u578b\u7684\u8bbe\u8ba1\u601d\u60f3\u548c\u5e94\u7528\u7b56\u7565\u3002\u6211\u4eec\u5c06\u4ecb\u7ecdIOCP\u6a21\u578b\u7684\u5de5\u4f5c\u539f\u7406&#xff0c;\u4ee5\u53ca\u5b83\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u9047\u5230\u7684\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6cd5\u3002\u901a\u8fc7\u672c\u7ae0\u7684\u5b66\u4e60&#xff0c;\u8bfb\u8005\u5c06\u4e3a\u6df1\u5165\u7406\u89e3\u7b2c\u4e8c\u7ae0\u7684IOCP\u7c7b\u8bbe\u8ba1\u4f18\u5316\u6253\u4e0b\u575a\u5b9e\u7684\u57fa\u7840\u3002 <\/p>\n<h2> 2. \u7b80\u5316\u5e76\u4f18\u5316IOCP\u7c7b\u8bbe\u8ba1 <\/h2>\n<h4> 2.1 IOCP\u7c7b\u8bbe\u8ba1\u7684\u6f14\u8fdb <\/h4>\n<h5> 2.1.1 \u539f\u59cbIOCP\u7c7b\u8bbe\u8ba1\u56de\u987e <\/h5>\n<p> \u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d&#xff0c;\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u7684\u7f51\u7edcI\/O\u5904\u7406\u662f\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\u3002\u6700\u521d\u7684IOCP\u7c7b\u8bbe\u8ba1\u901a\u5e38\u57fa\u4e8e\u963b\u585eI\/O\u6a21\u578b&#xff0c;\u8fd9\u79cd\u65b9\u5f0f\u5728\u5904\u7406\u5c0f\u89c4\u6a21\u5e76\u53d1\u8fde\u63a5\u65f6\u5c1a\u53ef\u63a5\u53d7&#xff0c;\u4f46\u968f\u7740\u8fde\u63a5\u6570\u7684\u589e\u52a0&#xff0c;\u7cfb\u7edf\u8d44\u6e90\u7684\u5360\u7528\u548c\u54cd\u5e94\u65f6\u95f4\u7684\u589e\u52a0\u4f1a\u5448\u73b0\u975e\u7ebf\u6027\u589e\u957f&#xff0c;\u6700\u7ec8\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u74f6\u9888\u3002 <\/p>\n<p> \u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u7f3a\u70b9&#xff0c;IOCP&#xff08;I\/O Completion Ports&#xff09;\u6a21\u578b\u88ab\u5f15\u5165&#xff0c;\u7279\u522b\u662f\u5728Windows\u5e73\u53f0\u4e0a&#xff0c;\u8fd9\u79cd\u6a21\u578b\u5229\u7528\u7cfb\u7edf\u7ea7\u7684I\/O\u5b8c\u6210\u961f\u5217\u673a\u5236&#xff0c;\u5b9e\u73b0\u5f02\u6b65\u975e\u963b\u585eI\/O\u64cd\u4f5c\u3002\u65e9\u671f\u7684IOCP\u7c7b\u5b9e\u73b0\u5f80\u5f80\u4e13\u6ce8\u4e8eIOCP\u6a21\u578b\u7684\u4f7f\u7528&#xff0c;\u4f46\u6ca1\u6709\u5f88\u597d\u5730\u62bd\u8c61\u51fa\u6613\u4e8e\u4f7f\u7528\u7684\u63a5\u53e3&#xff0c;\u5bfc\u81f4\u5f00\u53d1\u8005\u4f7f\u7528\u590d\u6742&#xff0c;\u96be\u4ee5\u7ef4\u62a4\u548c\u6269\u5c55\u3002 <\/p>\n<h5> 2.1.2 \u8bbe\u8ba1\u6f14\u8fdb\u7684\u5fc5\u8981\u6027\u5206\u6790 <\/h5>\n<p> \u968f\u7740\u7f51\u7edc\u5e94\u7528\u7684\u591a\u6837\u5316\u548c\u89c4\u6a21\u7684\u6269\u5f20&#xff0c;\u539f\u5148\u8bbe\u8ba1\u7684IOCP\u7c7b\u5df2\u4e0d\u80fd\u6ee1\u8db3\u73b0\u4ee3\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u7684\u9700\u6c42\u3002\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u539f\u5219\u4e2d&#xff0c;\u4e00\u4e2a\u826f\u597d\u7684\u8bbe\u8ba1\u5e94\u8be5\u5c3d\u53ef\u80fd\u5730\u505a\u5230\u9ad8\u5185\u805a\u3001\u4f4e\u8026\u5408&#xff0c;\u6613\u6269\u5c55\u3001\u6613\u7ef4\u62a4\u3001\u6613\u6d4b\u8bd5\u548c\u590d\u7528\u3002\u56e0\u6b64&#xff0c;\u5bf9\u539f\u59cbIOCP\u7c7b\u8fdb\u884c\u6f14\u8fdb&#xff0c;\u7b80\u5316\u5176\u4f7f\u7528\u590d\u6742\u5ea6&#xff0c;\u589e\u5f3a\u5176\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027&#xff0c;\u53d8\u5f97\u5341\u5206\u5fc5\u8981\u3002 <\/p>\n<h4> 2.2 IOCP\u7c7b\u7684\u91cd\u6784\u7b56\u7565 <\/h4>\n<h5> 2.2.1 \u91cd\u6784\u76ee\u6807\u548c\u539f\u5219 <\/h5>\n<p> \u91cd\u6784IOCP\u7c7b\u7684\u76ee\u6807\u662f\u521b\u5efa\u4e00\u4e2a\u66f4\u52a0\u7075\u6d3b\u3001\u6613\u4e8e\u6269\u5c55\u3001\u6613\u7528\u4e14\u9ad8\u6027\u80fd\u7684I\/O\u5904\u7406\u7c7b\u3002\u91cd\u6784\u7684\u539f\u5219\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u4f4e\u8026\u5408\u9ad8\u5185\u805a  &#xff1a;\u786e\u4fddIOCP\u7c7b\u4e0e\u5176\u4ed6\u7cfb\u7edf\u7684\u7ec4\u4ef6\u4fdd\u6301\u6700\u4f4e\u7a0b\u5ea6\u7684\u8026\u5408&#xff0c;\u540c\u65f6\u5c06\u76f8\u5173\u529f\u80fd\u5185\u805a\u5728\u4e00\u8d77&#xff0c;\u5f62\u6210\u6e05\u6670\u7684\u529f\u80fd\u6a21\u5757\u3002 <\/li>\n<li>  \u6613\u4e8e\u6269\u5c55  &#xff1a;\u8bbe\u8ba1\u65f6\u8003\u8651\u5230\u672a\u6765\u53ef\u80fd\u7684\u9700\u6c42\u53d8\u5316&#xff0c;\u63d0\u4f9b\u6269\u5c55\u70b9&#xff0c;\u5141\u8bb8\u5728\u4e0d\u4fee\u6539\u6838\u5fc3\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u589e\u52a0\u65b0\u529f\u80fd\u3002 <\/li>\n<li>  \u6027\u80fd\u4f18\u5316  &#xff1a;\u5728\u4e0d\u727a\u7272\u6613\u7528\u6027\u7684\u524d\u63d0\u4e0b&#xff0c;\u5bf9\u5173\u952e\u6027\u80fd\u8def\u5f84\u8fdb\u884c\u4f18\u5316\u3002 <\/li>\n<\/ul>\n<h5> 2.2.2 \u5173\u952e\u91cd\u6784\u6b65\u9aa4 <\/h5>\n<p> \u91cd\u6784\u7684\u6b65\u9aa4\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u65b9\u9762&#xff1a; <\/p>\n<li>  \u63d0\u53d6\u5e76\u5c01\u88c5\u57fa\u7840\u529f\u80fd  &#xff1a;\u5c06IOCP\u6a21\u578b\u7684\u57fa\u7840\u64cd\u4f5c\u5c01\u88c5\u5728\u4e00\u4e2a\u6216\u51e0\u4e2a\u7c7b\u4e2d&#xff0c;\u5f62\u6210\u57fa\u7840\u7684I\/O\u5904\u7406\u80fd\u529b\u3002 <\/li>\n<li>  \u62bd\u8c61\u63a5\u53e3  &#xff1a;\u8bbe\u8ba1\u62bd\u8c61\u63a5\u53e3\u6765\u9694\u79bb\u5177\u4f53\u5b9e\u73b0&#xff0c;\u63d0\u4f9b\u7edf\u4e00\u7684\u63a5\u53e3\u4f9b\u4e0a\u5c42\u903b\u8f91\u4f7f\u7528\u3002 <\/li>\n<li>  \u5b9e\u73b0\u670d\u52a1\u7ebf\u7a0b\u6c60  &#xff1a;\u6784\u5efa\u4e00\u4e2a\u670d\u52a1\u7ebf\u7a0b\u6c60\u4ee5\u9ad8\u6548\u5904\u7406I\/O\u5b8c\u6210\u4e8b\u4ef6\u3002 <\/li>\n<li>  \u72b6\u6001\u7ba1\u7406\u4e0e\u8c03\u5ea6\u7b56\u7565  &#xff1a;\u5b9e\u73b0\u9ad8\u6548\u7684\u8fde\u63a5\u548c\u4efb\u52a1\u72b6\u6001\u7ba1\u7406\u673a\u5236&#xff0c;\u4ee5\u53ca\u7075\u6d3b\u7684\u4efb\u52a1\u8c03\u5ea6\u7b56\u7565\u3002 <\/li>\n<li>  \u6027\u80fd\u76d1\u63a7\u4e0e\u8c03\u4f18  &#xff1a;\u5efa\u7acb\u6027\u80fd\u76d1\u63a7\u673a\u5236&#xff0c;\u5e76\u63d0\u4f9b\u8c03\u4f18\u7b56\u7565&#xff0c;\u4ee5\u6301\u7eed\u6539\u8fdb\u7cfb\u7edf\u6027\u80fd\u3002 <\/li>\n<h5> 2.2.3 \u91cd\u6784\u540e\u7684\u7c7b\u7ed3\u6784\u5c55\u793a <\/h5>\n<p> \u91cd\u6784\u540e\u7684IOCP\u7c7b\u53ef\u80fd\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u7ec4\u4ef6&#xff1a; <\/p>\n<ul>\n<li>  IOCPManager  &#xff1a;\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406IOCP\u53e5\u67c4&#xff0c;\u63d0\u4f9b\u57fa\u7840\u7684I\/O\u64cd\u4f5c\u63a5\u53e3\u3002 <\/li>\n<li>  IOCPRequestHandler  &#xff1a;\u5904\u7406I\/O\u8bf7\u6c42&#xff0c;\u5c01\u88c5\u4e86\u4e0e\u5177\u4f53I\/O\u64cd\u4f5c\u76f8\u5173\u7684\u903b\u8f91\u3002 <\/li>\n<li>  IOCPThreadPool  &#xff1a;\u6267\u884c\u5f02\u6b65I\/O\u64cd\u4f5c&#xff0c;\u5904\u7406\u56de\u8c03&#xff0c;\u5e76\u6839\u636e\u8c03\u5ea6\u7b56\u7565\u6267\u884c\u4efb\u52a1\u3002 <\/li>\n<li>  IOCPConnection  &#xff1a;\u7ba1\u7406\u5355\u4e2a\u8fde\u63a5\u7684\u72b6\u6001&#xff0c;\u5305\u62ec\u8bf7\u6c42\u6392\u961f\u3001\u54cd\u5e94\u53d1\u9001\u7b49\u3002 <\/li>\n<li>  IOCPConfiguration  &#xff1a;\u63d0\u4f9b\u914d\u7f6e\u63a5\u53e3&#xff0c;\u4f7f\u7cfb\u7edf\u5177\u6709\u826f\u597d\u7684\u53ef\u914d\u7f6e\u6027\u3002 <\/li>\n<\/ul>\n<p> \u91cd\u6784\u540e\u7684\u7c7b\u5c42\u6b21\u7ed3\u6784\u5982\u56fe\u6240\u793a&#xff1a; <\/p>\n<p>classDiagram<br \/>\n    IOCPManager &#8211;&gt; IOCPThreadPool : manages<br \/>\n    IOCPManager &#8211;&gt; IOCPConfiguration : uses<br \/>\n    IOCPThreadPool &#8211;&gt; IOCPRequestHandler : processes<br \/>\n    IOCPRequestHandler &#8211;&gt; IOCPConnection : handles<\/p>\n<h4> 2.3 \u4ee3\u7801\u5757\u4e0e\u903b\u8f91\u5206\u6790 <\/h4>\n<p> \u4ee5\u4e0b\u662fIOCPManager\u7c7b\u7684\u4e00\u4e2a\u7b80\u5316\u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p>class IOCPManager {<br \/>\npublic:<br \/>\n    IOCPManager(SIZE_T concurrency, SIZE_T maxRequests) {<br \/>\n        \/\/ \u521d\u59cb\u5316IOCP\u53e5\u67c4<br \/>\n        m_hIOCP &#061; CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, concurrency);<br \/>\n        \/\/ \u8bbe\u7f6e\u7ebf\u7a0b\u6c60\u7684\u6700\u5927\u8bf7\u6c42\u6570<br \/>\n        m_maxRequests &#061; maxRequests;<br \/>\n    }<\/p>\n<p>    \/\/ \u542f\u52a8\u7ebf\u7a0b\u6c60<br \/>\n    void StartThreadPool() {<br \/>\n        \/\/ \u542f\u52a8\u4e00\u5b9a\u6570\u91cf\u7684\u5de5\u4f5c\u7ebf\u7a0b\u5904\u7406IO\u5b8c\u6210\u4e8b\u4ef6<br \/>\n        for (SIZE_T i &#061; 0; i &lt; m_maxRequests; &#043;&#043;i) {<br \/>\n            std::thread worker([](IOCPManager* pThis) {<br \/>\n                pThis-&gt;ProcessIoCompletion();<br \/>\n            }, this);<br \/>\n            \/\/ \u7ebf\u7a0b\u52a0\u5165\u7ebf\u7a0b\u6c60<br \/>\n            m_threadPool.push_back(std::move(worker));<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/\/ \u6ce8\u518csocket\u5230IOCP<br \/>\n    BOOL RegisterSocket(HANDLE hSocket) {<br \/>\n        return CreateIoCompletionPort(hSocket, m_hIOCP, (ULONG_PTR)hSocket, 0) !&#061; NULL;<br \/>\n    }<\/p>\n<p>    \/\/ \u4f18\u96c5\u5730\u5173\u95edIOCP\u7ba1\u7406\u5668<br \/>\n    void Close() {<br \/>\n        \/\/ \u5173\u95edIOCP\u53e5\u67c4<br \/>\n        CloseHandle(m_hIOCP);<br \/>\n        \/\/ \u7b49\u5f85\u6240\u6709\u5de5\u4f5c\u7ebf\u7a0b\u9000\u51fa<br \/>\n        for (auto&amp; thread : m_threadPool) {<br \/>\n            if (thread.joinable())<br \/>\n                thread.join();<br \/>\n        }<br \/>\n    }<\/p>\n<p>private:<br \/>\n    HANDLE m_hIOCP; \/\/ IOCP\u53e5\u67c4<br \/>\n    SIZE_T m_maxRequests; \/\/ \u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u6570\u91cf<br \/>\n    std::vector&lt;std::thread&gt; m_threadPool; \/\/ \u7ebf\u7a0b\u6c60<\/p>\n<p>    \/\/ \u5904\u7406IO\u5b8c\u6210\u4e8b\u4ef6\u7684\u7ebf\u7a0b\u51fd\u6570<br \/>\n    void ProcessIoCompletion() {<br \/>\n        while (true) {<br \/>\n            \/\/ \u7b49\u5f85IO\u5b8c\u6210\u4e8b\u4ef6<br \/>\n            DWORD numberOfBytes;<br \/>\n            ULONG_PTR key;<br \/>\n            LPOVERLAPPED overlapped;<br \/>\n            if (!GetQueuedCompletionStatus(m_hIOCP, &amp;numberOfBytes, &amp;key, &amp;overlapped, INFINITE)) {<br \/>\n                \/\/ \u5904\u7406\u9519\u8bef<br \/>\n            }<br \/>\n            \/\/ \u5904\u7406\u5b8c\u6210\u7684IO\u8bf7\u6c42&#8230;<br \/>\n        }<br \/>\n    }<br \/>\n};<\/p>\n<p> \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d&#xff0c;  IOCPManager  \u7c7b\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406IOCP\u53e5\u67c4&#xff0c;\u5e76\u7ef4\u62a4\u4e86\u4e00\u4e2a\u7ebf\u7a0b\u6c60\u6765\u5904\u7406I\/O\u5b8c\u6210\u4e8b\u4ef6\u3002  StartThreadPool  \u65b9\u6cd5\u542f\u52a8\u4e86\u4e00\u7ec4\u5de5\u4f5c\u7ebf\u7a0b&#xff0c;\u6bcf\u4e2a\u7ebf\u7a0b\u5728\u5faa\u73af\u4e2d\u8c03\u7528  GetQueuedCompletionStatus  \u7b49\u5f85I\/O\u5b8c\u6210\u4e8b\u4ef6\u3002\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6&#xff0c;\u7ebf\u7a0b\u5c06\u5904\u7406\u8be5\u4e8b\u4ef6\u5e76\u8fd4\u56de\u5230\u7ebf\u7a0b\u6c60\u4e2d\u7b49\u5f85\u4e0b\u4e00\u4e2a\u4e8b\u4ef6\u3002 <\/p>\n<ul>\n<li>  \u53c2\u6570\u8bf4\u660e  &#xff1a; <\/li>\n<li>  concurrency  &#xff1a;\u7ebf\u7a0b\u6c60\u5e76\u53d1\u5ea6&#xff0c;\u5373\u7ebf\u7a0b\u6c60\u4e2d\u7ebf\u7a0b\u7684\u6570\u91cf\u3002 <\/li>\n<li>\n<p>  maxRequests  &#xff1a;\u6bcf\u4e2a\u7ebf\u7a0b\u6700\u591a\u53ef\u5904\u7406\u7684I\/O\u8bf7\u6c42\u6570\u91cf\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u903b\u8f91\u5206\u6790  &#xff1a; <\/p>\n<\/li>\n<li>  CreateIoCompletionPort  \u521b\u5efa\u4e00\u4e2aIOCP\u53e5\u67c4&#xff0c;\u8be5\u53e5\u67c4\u88ab\u7528\u6765\u7ba1\u7406I\/O\u5b8c\u6210\u5305\u3002 <\/li>\n<li>  RegisterSocket  \u5c06socket\u5173\u8054\u5230IOCP\u4e0a&#xff0c;\u8fd9\u6837\u5f53I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6&#xff0c;I\/O\u5b8c\u6210\u5305\u5c06\u88ab\u653e\u5165\u5230IOCP\u53e5\u67c4\u6240\u5bf9\u5e94\u7684\u961f\u5217\u4e2d\u3002 <\/li>\n<li>\n<p>  ProcessIoCompletion  \u65b9\u6cd5\u4e2d\u7684\u5faa\u73af\u662f\u5904\u7406I\/O\u5b8c\u6210\u5305\u7684\u6838\u5fc3\u903b\u8f91&#xff0c;\u6bcf\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u90fd\u4f1a\u5728\u961f\u5217\u4e2d\u7b49\u5f85\u65b0\u7684\u5b8c\u6210\u5305\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u6269\u5c55\u6027\u8bf4\u660e  &#xff1a; <\/p>\n<\/li>\n<li> \u8be5\u8bbe\u8ba1\u5141\u8bb8\u5728\u4e0d\u66f4\u6539\u6838\u5fc3\u903b\u8f91\u7684\u60c5\u51b5\u4e0b\u589e\u52a0\u65b0\u7684I\/O\u64cd\u4f5c\u7c7b\u578b&#xff0c;\u53ea\u9700\u5728  ProcessIoCompletion  \u65b9\u6cd5\u4e2d\u589e\u52a0\u76f8\u5e94\u7684\u903b\u8f91\u5373\u53ef\u3002 <\/li>\n<li> \u901a\u8fc7\u53c2\u6570  m_maxRequests  &#xff0c;\u53ef\u4ee5\u8f7b\u677e\u8c03\u6574\u7ebf\u7a0b\u6c60\u4e2d\u7ebf\u7a0b\u7684\u6570\u91cf&#xff0c;\u4ece\u800c\u4f18\u5316\u6027\u80fd\u3002 <\/li>\n<\/ul>\n<p> \u901a\u8fc7\u672c\u7ae0\u8282\u7684\u4ecb\u7ecd&#xff0c;\u8bfb\u8005\u5e94\u8be5\u5bf9IOCP\u7c7b\u7684\u8bbe\u8ba1\u6f14\u8fdb\u6709\u4e86\u521d\u6b65\u7684\u7406\u89e3\u3002\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7\u63a5\u53e3\u62bd\u8c61\u8fdb\u4e00\u6b65\u7b80\u5316\u590d\u6742\u7684IOCP\u7c7b\u529f\u80fd\u3002 <\/p>\n<h2> 3. \u63a5\u53e3\u62bd\u8c61\u590d\u6742\u529f\u80fd <\/h2>\n<p> \u5728\u6784\u5efa\u548c\u7ef4\u62a4\u5927\u578b\u8f6f\u4ef6\u7cfb\u7edf\u65f6&#xff0c;\u590d\u6742\u7684\u529f\u80fd\u548c\u7ec4\u4ef6\u95f4\u7684\u9ad8\u5ea6\u8026\u5408\u662f\u5e38\u89c1\u7684\u95ee\u9898\u3002\u63a5\u53e3\u62bd\u8c61\u4f5c\u4e3a\u4e00\u79cd\u8bbe\u8ba1\u539f\u5219&#xff0c;\u53ef\u4ee5\u5728\u786e\u4fdd\u6a21\u5757\u95f4\u677e\u8026\u5408\u7684\u540c\u65f6\u63d0\u4f9b\u6e05\u6670\u7684\u4ea4\u4e92\u534f\u8bae\u3002\u672c\u7ae0\u5c06\u6df1\u5165\u63a2\u8ba8\u63a5\u53e3\u62bd\u8c61\u7684\u76ee\u7684\u3001\u4f18\u52bf\u4ee5\u53ca\u5b9e\u73b0\u8fc7\u7a0b&#xff0c;\u5e76\u7ed3\u5408\u6a21\u5757\u5316\u8bbe\u8ba1&#xff0c;\u5c55\u793a\u5982\u4f55\u5728IOCP\u7c7b\u8bbe\u8ba1\u4e2d\u5e94\u7528\u8fd9\u4e9b\u6280\u672f\u3002 <\/p>\n<h3> 3.1 \u63a5\u53e3\u62bd\u8c61\u7684\u76ee\u7684\u548c\u4f18\u52bf <\/h3>\n<h4> 3.1.1 \u7406\u89e3\u63a5\u53e3\u62bd\u8c61\u7684\u610f\u4e49 <\/h4>\n<p> \u63a5\u53e3\u62bd\u8c61\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u4e00\u9879\u91cd\u8981\u6280\u672f&#xff0c;\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5b9a\u4e49\u4e00\u7cfb\u5217\u65b9\u6cd5\u548c\u5c5e\u6027&#xff0c;\u800c\u4e0d\u9700\u8981\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\u3002\u5728IOCP\u7c7b\u8bbe\u8ba1\u4e2d&#xff0c;\u63a5\u53e3\u62bd\u8c61\u7684\u610f\u4e49\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762&#xff1a; <\/p>\n<ul>\n<li>  \u964d\u4f4e\u8026\u5408\u5ea6  &#xff1a;\u901a\u8fc7\u63a5\u53e3\u5b9a\u4e49\u529f\u80fd&#xff0c;\u4e0d\u540c\u7684\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u76f8\u540c\u7684\u63a5\u53e3&#xff0c;\u8fd9\u4f7f\u5f97\u7cfb\u7edf\u5404\u4e2a\u90e8\u5206\u4e4b\u95f4\u4e0d\u9700\u8981\u4e86\u89e3\u5bf9\u65b9\u7684\u5177\u4f53\u5b9e\u73b0&#xff0c;\u4ece\u800c\u964d\u4f4e\u4e86\u8026\u5408\u5ea6\u3002 <\/li>\n<li>  \u63d0\u4f9b\u7075\u6d3b\u6027  &#xff1a;\u63a5\u53e3\u62bd\u8c61\u63d0\u4f9b\u4e86\u4e00\u79cd\u7edf\u4e00\u7684\u8c03\u7528\u65b9\u5f0f&#xff0c;\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u73b0\u6709\u4ee3\u7801\u7684\u57fa\u7840\u4e0a&#xff0c;\u589e\u52a0\u65b0\u7684\u5b9e\u73b0&#xff0c;\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u6269\u5c55\u6027\u3002 <\/li>\n<li>  \u4fbf\u4e8e\u6d4b\u8bd5\u548c\u66ff\u6362  &#xff1a;\u7531\u4e8e\u63a5\u53e3\u62bd\u8c61\u4f7f\u5f97\u4e0d\u540c\u7684\u5b9e\u73b0\u5177\u6709\u76f8\u540c\u7684\u8bbf\u95ee\u65b9\u5f0f&#xff0c;\u56e0\u6b64\u5728\u6d4b\u8bd5\u65f6\u53ef\u4ee5\u65b9\u4fbf\u5730\u66ff\u6362\u4e0d\u540c\u7684\u5b9e\u73b0\u8fdb\u884c\u6d4b\u8bd5&#xff0c;\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u6d4b\u8bd5\u6027\u3002 <\/li>\n<\/ul>\n<h4> 3.1.2 \u63a5\u53e3\u62bd\u8c61\u5e26\u6765\u7684\u76ca\u5904 <\/h4>\n<p> \u63a5\u53e3\u62bd\u8c61\u7684\u5e94\u7528\u53ef\u4ee5\u5e26\u6765\u591a\u79cd\u76ca\u5904&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u51e0\u70b9&#xff1a; <\/p>\n<ul>\n<li>  \u4ee3\u7801\u590d\u7528  &#xff1a;\u76f8\u540c\u7684\u63a5\u53e3\u53ef\u4ee5\u88ab\u591a\u4e2a\u7c7b\u5b9e\u73b0&#xff0c;\u8fd9\u6837\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u590d\u7528\u76f8\u540c\u7684\u63a5\u53e3\u5b9a\u4e49\u3002 <\/li>\n<li>  \u6e05\u6670\u7684\u67b6\u6784  &#xff1a;\u63a5\u53e3\u62bd\u8c61\u6709\u52a9\u4e8e\u6784\u5efa\u6e05\u6670\u7684\u7cfb\u7edf\u67b6\u6784&#xff0c;\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u5bb9\u6613\u7406\u89e3\u7cfb\u7edf\u5982\u4f55\u5de5\u4f5c\u3002 <\/li>\n<li>  \u4fbf\u4e8e\u7ef4\u62a4\u548c\u6f14\u5316  &#xff1a;\u5f53\u9700\u6c42\u53d8\u5316\u65f6&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u66f4\u6539\u63a5\u53e3\u7684\u5b9e\u73b0\u6765\u9002\u5e94\u65b0\u7684\u9700\u6c42&#xff0c;\u800c\u4e0d\u5fc5\u91cd\u6784\u5927\u91cf\u7684\u4ee3\u7801\u3002 <\/li>\n<\/ul>\n<h3> 3.2 \u63a5\u53e3\u62bd\u8c61\u7684\u5b9e\u73b0\u8fc7\u7a0b <\/h3>\n<h4> 3.2.1 \u5b9a\u4e49\u6e05\u6670\u7684\u63a5\u53e3\u89c4\u8303 <\/h4>\n<p> \u5b9e\u73b0\u63a5\u53e3\u62bd\u8c61\u7684\u7b2c\u4e00\u6b65\u662f\u5b9a\u4e49\u6e05\u6670\u7684\u63a5\u53e3\u89c4\u8303\u3002\u8fd9\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u65b9\u6cd5\u58f0\u660e  &#xff1a;\u5b9a\u4e49\u63a5\u53e3\u4e2d\u5e94\u5305\u542b\u54ea\u4e9b\u65b9\u6cd5&#xff0c;\u6bcf\u4e2a\u65b9\u6cd5\u7684\u540d\u79f0\u3001\u53c2\u6570\u5217\u8868\u3001\u8fd4\u56de\u7c7b\u578b\u7b49\u3002 <\/li>\n<li>  \u5c5e\u6027\u5b9a\u4e49  &#xff1a;\u5b9a\u4e49\u63a5\u53e3\u4e2d\u5e94\u5305\u542b\u54ea\u4e9b\u5c5e\u6027&#xff0c;\u53ca\u5176\u7c7b\u578b\u3002 <\/li>\n<li>  \u5f02\u5e38\u5904\u7406  &#xff1a;\u89c4\u5b9a\u65b9\u6cd5\u53ef\u80fd\u629b\u51fa\u7684\u5f02\u5e38\u7c7b\u578b\u548c\u6761\u4ef6\u3002 <\/li>\n<\/ul>\n<p> \u4f8b\u5982&#xff0c;\u8003\u8651IOCP\u7c7b\u4e2d\u53ef\u80fd\u5305\u542b\u7684\u4e00\u4e2a\u7f51\u7edc\u4e8b\u4ef6\u5904\u7406\u63a5\u53e3&#xff1a; <\/p>\n<p>public interface INetworkEventHandler<br \/>\n{<br \/>\n    void OnConnectotenious(string connectionId);<br \/>\n    void OnDisconnect(string connectionId);<br \/>\n    void OnReceiveData(string connectionId, byte[] data);<br \/>\n}<\/p>\n<h4> 3.2.2 \u63a5\u53e3\u4e0e\u5b9e\u73b0\u5206\u79bb\u7684\u6280\u672f\u7ec6\u8282 <\/h4>\n<p> \u63a5\u53e3\u4e0e\u5b9e\u73b0\u5206\u79bb\u662f\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u4e2d\u7684\u4e00\u79cd\u5173\u952e\u5b9e\u8df5\u3002\u5b83\u8981\u6c42&#xff1a; <\/p>\n<ul>\n<li>  \u63a5\u53e3\u5b9a\u4e49\u5728\u5355\u72ec\u7684\u6587\u4ef6\u4e2d  &#xff1a;\u8fd9\u6709\u52a9\u4e8e\u5c06\u63a5\u53e3\u7684\u53d8\u66f4\u4e0e\u5177\u4f53\u5b9e\u73b0\u7684\u53d8\u66f4\u9694\u79bb\u3002 <\/li>\n<li>  \u5b9e\u73b0\u7c7b\u5fc5\u987b\u9075\u5faa\u63a5\u53e3\u89c4\u8303  &#xff1a;\u5b9e\u73b0\u7c7b\u5fc5\u987b\u5b9e\u73b0\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u6240\u6709\u65b9\u6cd5\u548c\u5c5e\u6027&#xff0c;\u4ee5\u4fdd\u8bc1\u63a5\u53e3\u62bd\u8c61\u7684\u4e00\u81f4\u6027\u3002 <\/li>\n<\/ul>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u73b0\u4f8b\u5b50&#xff1a; <\/p>\n<p>public class DefaultNetworkEventHandler : INetworkEventHandler<br \/>\n{<br \/>\n    public void OnConnectotenious(string connectionId)<br \/>\n    {<br \/>\n        \/\/ \u5b9e\u73b0\u8fde\u63a5\u65f6\u7684\u5904\u7406\u903b\u8f91<br \/>\n    }<\/p>\n<p>    public void OnDisconnect(string connectionId)<br \/>\n    {<br \/>\n        \/\/ \u5b9e\u73b0\u65ad\u5f00\u8fde\u63a5\u65f6\u7684\u5904\u7406\u903b\u8f91<br \/>\n    }<\/p>\n<p>    public void OnReceiveData(string connectionId, byte[] data)<br \/>\n    {<br \/>\n        \/\/ \u5b9e\u73b0\u6570\u636e\u63a5\u6536\u65f6\u7684\u5904\u7406\u903b\u8f91<br \/>\n    }<br \/>\n}<\/p>\n<h4> 3.2.3 \u63a5\u53e3\u8bbe\u8ba1\u7684\u6700\u4f73\u5b9e\u8df5 <\/h4>\n<p> \u63a5\u53e3\u8bbe\u8ba1\u5e94\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5&#xff1a; <\/p>\n<ul>\n<li>  \u5355\u4e00\u804c\u8d23\u539f\u5219  &#xff1a;\u63a5\u53e3\u5e94\u5c3d\u53ef\u80fd\u5355\u4e00&#xff0c;\u907f\u514d\u4e00\u4e2a\u63a5\u53e3\u5305\u542b\u592a\u591a\u4e0d\u76f8\u5173\u7684\u529f\u80fd\u3002 <\/li>\n<li>  \u63a5\u53e3\u7ec6\u7c92\u5ea6\u5316  &#xff1a;\u901a\u8fc7\u5b9a\u4e49\u591a\u4e2a\u7ec6\u7c92\u5ea6\u7684\u63a5\u53e3&#xff0c;\u800c\u4e0d\u662f\u4e00\u4e2a\u5305\u542b\u6240\u6709\u529f\u80fd\u7684\u201c\u80d6\u201d\u63a5\u53e3&#xff0c;\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 <\/li>\n<li>  \u63a5\u53e3\u7248\u672c\u7ba1\u7406  &#xff1a;\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb&#xff0c;\u63a5\u53e3\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316&#xff0c;\u9700\u8981\u8003\u8651\u7248\u672c\u7ba1\u7406\u7b56\u7565\u4ee5\u907f\u514d\u7834\u574f\u73b0\u6709\u5b9e\u73b0\u3002 <\/li>\n<\/ul>\n<h3> 3.3 \u529f\u80fd\u5b9e\u73b0\u7684\u6a21\u5757\u5316 <\/h3>\n<h4> 3.3.1 \u6a21\u5757\u5316\u7684\u6982\u5ff5\u548c\u4f18\u52bf <\/h4>\n<p> \u6a21\u5757\u5316\u662f\u6307\u5c06\u7cfb\u7edf\u5206\u89e3\u6210\u82e5\u5e72\u5177\u6709\u660e\u786e\u5b9a\u4e49\u529f\u80fd\u7684\u6a21\u5757&#xff0c;\u6bcf\u4e2a\u6a21\u5757\u53ef\u4ee5\u72ec\u7acb\u5f00\u53d1\u548c\u7ef4\u62a4\u3002\u6a21\u5757\u5316\u7684\u6982\u5ff5\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf&#xff1a; <\/p>\n<ul>\n<li>  \u7b80\u5316\u5f00\u53d1\u8fc7\u7a0b  &#xff1a;\u6a21\u5757\u5316\u7684\u7cfb\u7edf\u66f4\u5bb9\u6613\u8fdb\u884c\u5206\u5de5\u5f00\u53d1&#xff0c;\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002 <\/li>\n<li>  \u63d0\u9ad8\u4ee3\u7801\u590d\u7528  &#xff1a;\u6a21\u5757\u5316\u4f7f\u5f97\u529f\u80fd\u53ef\u4ee5\u88ab\u591a\u4e2a\u90e8\u5206\u590d\u7528&#xff0c;\u51cf\u5c11\u4e86\u4ee3\u7801\u91cd\u590d\u3002 <\/li>\n<li>  \u6613\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55  &#xff1a;\u968f\u7740\u7cfb\u7edf\u89c4\u6a21\u7684\u589e\u52a0&#xff0c;\u6a21\u5757\u5316\u7684\u8bbe\u8ba1\u4f7f\u5f97\u589e\u52a0\u65b0\u529f\u80fd\u6216\u4fee\u6539\u73b0\u6709\u529f\u80fd\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002 <\/li>\n<\/ul>\n<h4> 3.3.2 \u6a21\u5757\u5212\u5206\u7684\u539f\u5219\u4e0e\u65b9\u6cd5 <\/h4>\n<p> \u6a21\u5757\u5212\u5206\u7684\u539f\u5219\u548c\u65b9\u6cd5\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u6309\u529f\u80fd\u5212\u5206  &#xff1a;\u6839\u636e\u529f\u80fd\u5c06\u7cfb\u7edf\u5212\u5206\u4e3a\u4e0d\u540c\u7684\u6a21\u5757\u3002 <\/li>\n<li>  \u907f\u514d\u5faa\u73af\u4f9d\u8d56  &#xff1a;\u786e\u4fdd\u6a21\u5757\u4e4b\u95f4\u6ca1\u6709\u5faa\u73af\u4f9d\u8d56&#xff0c;\u4ee5\u907f\u514d\u590d\u6742\u6027\u548c\u7ef4\u62a4\u96be\u5ea6\u7684\u589e\u52a0\u3002 <\/li>\n<li>  \u5b9a\u4e49\u6e05\u6670\u7684\u63a5\u53e3  &#xff1a;\u6bcf\u4e2a\u6a21\u5757\u90fd\u5e94\u5b9a\u4e49\u6e05\u6670\u7684\u63a5\u53e3&#xff0c;\u4ee5\u4fbf\u6a21\u5757\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e9b\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\u3002 <\/li>\n<\/ul>\n<h4> 3.3.3 \u6a21\u5757\u5316\u5728IOCP\u7c7b\u4e2d\u7684\u5e94\u7528\u6848\u4f8b <\/h4>\n<p> \u5728IOCP\u7c7b\u7684\u8bbe\u8ba1\u4e2d&#xff0c;\u6a21\u5757\u5316\u53ef\u4ee5\u5e94\u7528\u4e8e\u591a\u79cd\u573a\u666f\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u5c06\u7f51\u7edc\u4e8b\u4ef6\u5904\u7406\u3001\u6570\u636e\u89e3\u6790\u3001\u4e1a\u52a1\u903b\u8f91\u5904\u7406\u7b49\u5206\u79bb\u4e3a\u72ec\u7acb\u7684\u6a21\u5757\u3002\u6bcf\u4e2a\u6a21\u5757\u5b9a\u4e49\u597d\u5bf9\u5916\u7684\u63a5\u53e3&#xff0c;\u5982\u4e8b\u4ef6\u5904\u7406\u5668\u63a5\u53e3\u3001\u6570\u636e\u5904\u7406\u5668\u63a5\u53e3\u7b49\u3002IOCP\u7c7b\u4f5c\u4e3a\u6838\u5fc3&#xff0c;\u8d1f\u8d23\u534f\u8c03\u5404\u4e2a\u6a21\u5757\u7684\u6267\u884c\u3002 <\/p>\n<p>public class IOCPManager<br \/>\n{<br \/>\n    private INetworkEventHandler networkEventHandler;<br \/>\n    private IDataHandler dataHandler;<\/p>\n<p>    public IOCPManager(INetworkEventHandler eventHandler, IDataHandler data\u5904\u7406\u5668)<br \/>\n    {<br \/>\n        ***workEventHandler &#061; eventHandler;<br \/>\n        this.dataHandler &#061; data\u5904\u7406\u5668;<br \/>\n    }<\/p>\n<p>    public void Start()<br \/>\n    {<br \/>\n        \/\/ IOCP \u7ba1\u7406\u5668\u542f\u52a8\u903b\u8f91&#xff0c;\u5305\u62ec\u7ebf\u7a0b\u6c60\u521d\u59cb\u5316\u7b49<br \/>\n    }<\/p>\n<p>    \/\/ \u6838\u5fc3\u5faa\u73af\u903b\u8f91&#xff0c;\u534f\u8c03\u5404\u6a21\u5757\u5de5\u4f5c<br \/>\n    public void ProcessEvents()<br \/>\n    {<br \/>\n        \/\/ \u4e8b\u4ef6\u5faa\u73af\u5904\u7406\u903b\u8f91&#xff0c;\u8c03\u7528 networkEventHandler \u548c dataHandler \u7684\u65b9\u6cd5<br \/>\n    }<br \/>\n}<\/p>\n<p> \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f&#xff0c;\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u66ff\u6362\u5b9e\u73b0&#xff0c;\u6216\u8005\u6dfb\u52a0\u65b0\u7684\u6a21\u5757&#xff0c;\u800c\u4e0d\u5f71\u54cd\u6574\u4e2a\u7cfb\u7edf\u7684\u67b6\u6784\u7a33\u5b9a\u6027\u3002\u5728\u672c\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u8be6\u7ec6\u9610\u8ff0\u4e86\u63a5\u53e3\u62bd\u8c61\u7684\u76ee\u7684\u548c\u4f18\u52bf&#xff0c;\u6df1\u5165\u4e86\u89e3\u4e86\u63a5\u53e3\u62bd\u8c61\u7684\u5b9e\u73b0\u8fc7\u7a0b&#xff0c;\u5e76\u4e14\u63a2\u8ba8\u4e86\u6a21\u5757\u5316\u8bbe\u8ba1\u5728IOCP\u7c7b\u4e2d\u7684\u5e94\u7528\u3002\u8fd9\u4e3a\u5b9e\u73b0\u4e00\u4e2a\u65e2\u7075\u6d3b\u53c8\u9ad8\u6548\u7684IOCP\u7c7b\u5960\u5b9a\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002 <\/p>\n<h2> 4. \u9002\u7528\u4e8e\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u5f00\u53d1 <\/h2>\n<h3> 4.1 IOCP\u7c7b\u5728TCP\u670d\u52a1\u5668\u4e2d\u7684\u4f5c\u7528 <\/h3>\n<h4> 4.1.1 IOCP\u6a21\u578b\u4e0eTCP\u534f\u8bae\u7684\u9002\u914d <\/h4>\n<p> \u5728\u73b0\u4ee3\u7f51\u7edc\u5e94\u7528\u4e2d&#xff0c;IOCP\u6a21\u578b\u56e0\u5176\u9ad8\u6548\u7684\u5f02\u6b65\u8f93\u5165\/\u8f93\u51fa\u64cd\u4f5c\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u7684\u5f00\u53d1\u4e2d\u3002IOCP&#xff08;I\/O Completion Ports&#xff09;\u662f\u5728Windows\u5e73\u53f0\u4e0a\u5b9e\u73b0\u7684\u4e00\u4e2aI\/O\u6a21\u578b&#xff0c;\u5b83\u80fd\u591f\u6709\u6548\u5730\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93\u3002\u5728TCP\u670d\u52a1\u5668\u7684\u4e0a\u4e0b\u6587\u4e2d&#xff0c;IOCP\u7c7b\u626e\u6f14\u7740\u5904\u7406\u7f51\u7edcI\/O\u64cd\u4f5c\u7684\u6838\u5fc3\u89d2\u8272\u3002 <\/p>\n<p> TCP&#xff08;Transmission Control Protocol&#xff09;\u662f\u4e00\u4e2a\u9762\u5411\u8fde\u63a5\u7684\u3001\u53ef\u9760\u7684\u3001\u57fa\u4e8e\u5b57\u8282\u6d41\u7684\u4f20\u8f93\u5c42\u901a\u4fe1\u534f\u8bae\u3002\u4e3a\u4e86\u4f7fIOCP\u6a21\u578b\u80fd\u591f\u4e0eTCP\u534f\u8bae\u9002\u914d&#xff0c;\u670d\u52a1\u5668\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u7a33\u5b9a\u7684\u6570\u636e\u4f20\u8f93\u673a\u5236&#xff0c;\u786e\u4fdd\u6570\u636e\u5305\u7684\u987a\u5e8f\u3001\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002IOCP\u7c7b\u901a\u8fc7\u7ebf\u7a0b\u6c60\u7ba1\u7406\u548c\u9ad8\u6548\u7684\u4e8b\u4ef6\u5904\u7406\u673a\u5236&#xff0c;\u53ef\u4ee5\u4e3a\u6bcf\u4e2aTCP\u8fde\u63a5\u7ef4\u62a4\u4e00\u4e2a\u6216\u591a\u4e2aI\/O\u5b8c\u6210\u7aef\u53e3&#xff0c;\u4ece\u800c\u5b9e\u73b0\u5bf9\u6bcf\u4e2a\u8fde\u63a5\u7684\u975e\u963b\u585e\u3001\u5f02\u6b65\u8bfb\u5199\u64cd\u4f5c\u3002 <\/p>\n<p> \u5f53\u4e00\u4e2a\u7f51\u7edc\u6570\u636e\u5305\u5230\u8fbe\u670d\u52a1\u5668\u65f6&#xff0c;\u7cfb\u7edf\u5185\u6838\u4f1a\u5c06\u8fd9\u4e2a\u4e8b\u4ef6\u4e0e\u76f8\u5e94\u7684IOCP\u5bf9\u8c61\u5173\u8054\u8d77\u6765&#xff0c;\u5f53\u7cfb\u7edf\u4e2d\u4efb\u4f55\u4e00\u4e2aIOCP\u7ebf\u7a0b\u83b7\u53d6\u5230\u8fd9\u4e2a\u4e8b\u4ef6\u65f6&#xff0c;\u5b83\u4f1a\u7acb\u5373\u8c03\u7528\u76f8\u5e94\u7684\u5904\u7406\u51fd\u6570\u6765\u5904\u7406\u8fd9\u4e2a\u6570\u636e\u5305\u3002\u8fd9\u4e00\u8fc7\u7a0b\u786e\u4fdd\u4e86\u5bf9TCP\u8fde\u63a5\u7684\u9ad8\u6548\u7ba1\u7406&#xff0c;\u540c\u65f6\u4e5f\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u8d44\u6e90\u5229\u7528\u548c\u8f83\u4f4e\u7684\u5ef6\u8fdf\u3002 <\/p>\n<h4> 4.1.2 \u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u7684\u7279\u70b9 <\/h4>\n<p> \u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u901a\u5e38\u9700\u8981\u5177\u5907\u4ee5\u4e0b\u7279\u70b9&#xff1a; <\/p>\n<ul>\n<li>  \u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b&#xff1a;  \u670d\u52a1\u5668\u9700\u8981\u80fd\u591f\u540c\u65f6\u5904\u7406\u6210\u5343\u4e0a\u4e07\u7684\u5e76\u53d1\u8fde\u63a5\u800c\u4e0d\u51fa\u73b0\u6027\u80fd\u74f6\u9888\u3002 <\/li>\n<li>  \u4f4e\u5ef6\u8fdf&#xff1a;  \u6570\u636e\u7684\u5904\u7406\u548c\u8f6c\u53d1\u9700\u8981\u8fc5\u901f\u5b8c\u6210&#xff0c;\u4ee5\u6ee1\u8db3\u5b9e\u65f6\u5e94\u7528\u7684\u9700\u6c42\u3002 <\/li>\n<li>  \u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027&#xff1a;  \u670d\u52a1\u5668\u5fc5\u987b\u4fdd\u8bc1\u957f\u65f6\u95f4\u7a33\u5b9a\u8fd0\u884c&#xff0c;\u4e14\u5bf9\u6570\u636e\u5305\u7684\u5904\u7406\u4e0d\u80fd\u51fa\u73b0\u4e22\u5931\u6216\u9519\u8bef\u3002 <\/li>\n<li>  \u53ef\u6269\u5c55\u6027&#xff1a;  \u5f53\u8d1f\u8f7d\u589e\u52a0\u65f6&#xff0c;\u670d\u52a1\u5668\u5e94\u8be5\u80fd\u591f\u65e0\u7f1d\u6269\u5c55\u5176\u5904\u7406\u80fd\u529b\u3002 <\/li>\n<li>  \u8d44\u6e90\u9ad8\u6548\u5229\u7528&#xff1a;  \u670d\u52a1\u5668\u9700\u8981\u9ad8\u6548\u5229\u7528\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u5305\u62ecCPU\u3001\u5185\u5b58\u548c\u7f51\u7edc\u5e26\u5bbd\u3002 <\/li>\n<\/ul>\n<p> IOCP\u7c7b\u901a\u8fc7\u5176\u72ec\u7279\u7684\u8bbe\u8ba1&#xff0c;\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u548c\u5f02\u6b65I\/O\u64cd\u4f5c\u65b9\u9762\u7684\u4f18\u52bf&#xff0c;\u4e3a\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u63d0\u4f9b\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002\u5b83\u4e0d\u4ec5\u80fd\u591f\u63d0\u4f9b\u4f4e\u5ef6\u8fdf\u7684\u6570\u636e\u5904\u7406&#xff0c;\u8fd8\u80fd\u591f\u901a\u8fc7\u7ebf\u7a0b\u6c60\u673a\u5236&#xff0c;\u52a8\u6001\u5730\u8c03\u6574\u5de5\u4f5c\u7ebf\u7a0b\u7684\u6570\u91cf&#xff0c;\u4ee5\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u8d1f\u8f7d\u60c5\u51b5\u3002 <\/p>\n<h3> 4.2 IOCP\u7c7b\u7684\u6027\u80fd\u8c03\u4f18\u6280\u5de7 <\/h3>\n<h4> 4.2.1 \u6027\u80fd\u74f6\u9888\u5206\u6790 <\/h4>\n<p> \u5728\u4f7f\u7528IOCP\u7c7b\u5f00\u53d1TCP\u670d\u52a1\u5668\u65f6&#xff0c;\u6027\u80fd\u74f6\u9888\u53ef\u80fd\u51fa\u73b0\u5728\u591a\u4e2a\u73af\u8282&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e&#xff1a; <\/p>\n<ul>\n<li>  \u7ebf\u7a0b\u521b\u5efa\u4e0e\u7ba1\u7406&#xff1a;  \u7ebf\u7a0b\u7684\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u4f1a\u5bfc\u81f4\u8d44\u6e90\u6d88\u8017\u8fc7\u5927&#xff0c;\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u3002 <\/li>\n<li>  I\/O\u64cd\u4f5c&#xff1a;  \u7f51\u7edcI\/O\u64cd\u4f5c\u662fCPU\u5bc6\u96c6\u578b\u4efb\u52a1&#xff0c;\u5982\u679c\u64cd\u4f5c\u4e0d\u5f53&#xff0c;\u4f1a\u9020\u6210I\/O\u963b\u585e&#xff0c;\u5f71\u54cd\u6574\u4f53\u541e\u5410\u91cf\u3002 <\/li>\n<li>  \u9501\u7ade\u4e89&#xff1a;  \u591a\u7ebf\u7a0b\u73af\u5883\u4e0b&#xff0c;\u9501\u7684\u7ade\u4e89\u4f1a\u663e\u8457\u5f71\u54cd\u6027\u80fd&#xff0c;\u5c24\u5176\u662f\u5728\u9ad8\u5e76\u53d1\u7684\u573a\u666f\u4e0b\u3002 <\/li>\n<li>  \u5185\u5b58\u4f7f\u7528&#xff1a;  \u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u4f1a\u5360\u7528\u5927\u91cf\u5185\u5b58&#xff0c;\u4e0d\u5f53\u7684\u5185\u5b58\u7ba1\u7406\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u6216\u9891\u7e41\u7684\u5783\u573e\u56de\u6536&#xff0c;\u5f71\u54cd\u6027\u80fd\u3002 <\/li>\n<\/ul>\n<h4> 4.2.2 IOCP\u7c7b\u8c03\u4f18\u7684\u7b56\u7565\u548c\u65b9\u6cd5 <\/h4>\n<p> \u4e3a\u4e86\u5e94\u5bf9\u4e0a\u8ff0\u74f6\u9888&#xff0c;\u8c03\u4f18IOCP\u7c7b\u6027\u80fd\u7684\u7b56\u7565\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u4f18\u5316\u7ebf\u7a0b\u6c60&#xff1a;  \u5408\u7406\u8bbe\u7f6e\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u6570\u91cf&#xff0c;\u907f\u514d\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b&#xff0c;\u540c\u65f6\u8981\u6839\u636e\u5de5\u4f5c\u8d1f\u8f7d\u8c03\u6574\u7ebf\u7a0b\u4f18\u5148\u7ea7\u3002 <\/li>\n<li>  \u51cf\u5c11\u9501\u7ade\u4e89&#xff1a;  \u91c7\u7528\u65e0\u9501\u7f16\u7a0b\u6280\u672f&#xff0c;\u5982\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\u3001\u9501\u7c92\u5ea6\u7ec6\u5206\u7b49\u7b56\u7565&#xff0c;\u51cf\u5c11\u7ebf\u7a0b\u95f4\u540c\u6b65\u5e26\u6765\u7684\u5f00\u9500\u3002 <\/li>\n<li>  \u51cf\u5c11I\/O\u64cd\u4f5c\u7684\u963b\u585e&#xff1a;  \u5408\u7406\u5b89\u6392\u975e\u963b\u585eI\/O\u64cd\u4f5c\u548c\u5f02\u6b65I\/O\u64cd\u4f5c&#xff0c;\u907f\u514d\u56e0\u5355\u4e2a\u64cd\u4f5c\u5bfc\u81f4\u7684\u7ebf\u7a0b\u963b\u585e\u3002 <\/li>\n<li>  \u5185\u5b58\u7ba1\u7406\u4f18\u5316&#xff1a;  \u4f18\u5316\u5185\u5b58\u5206\u914d\u548c\u56de\u6536\u7b56\u7565&#xff0c;\u907f\u514d\u5185\u5b58\u788e\u7247\u5316\u548c\u9891\u7e41\u7684\u5783\u573e\u56de\u6536&#xff0c;\u4fdd\u8bc1\u5185\u5b58\u4f7f\u7528\u6548\u7387\u3002 <\/li>\n<\/ul>\n<h4> 4.2.3 \u8c03\u4f18\u5b9e\u8df5\u4e0e\u6848\u4f8b\u5206\u6790 <\/h4>\n<p> \u4e00\u4e2a\u5178\u578b\u7684\u8c03\u4f18\u5b9e\u8df5\u6848\u4f8b\u53ef\u80fd\u5305\u542b\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li>  \u76d1\u63a7\u548c\u6027\u80fd\u5206\u6790&#xff1a;  \u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\u76d1\u63a7\u670d\u52a1\u5668\u7684\u8fd0\u884c\u60c5\u51b5&#xff0c;\u8bc6\u522b\u6027\u80fd\u74f6\u9888\u6240\u5728\u3002 <\/li>\n<li>  \u52a8\u6001\u8c03\u6574&#xff1a;  \u6839\u636e\u76d1\u63a7\u7ed3\u679c\u52a8\u6001\u8c03\u6574\u7ebf\u7a0b\u6c60\u5927\u5c0f\u548c\u5de5\u4f5c\u7ebf\u7a0b\u4f18\u5148\u7ea7\u3002 <\/li>\n<li>  \u4ee3\u7801\u91cd\u6784&#xff1a;  \u9488\u5bf9\u53d1\u73b0\u7684\u95ee\u9898&#xff0c;\u5982\u9891\u7e41\u7684\u9501\u7ade\u4e89&#xff0c;\u5bf9\u4ee3\u7801\u8fdb\u884c\u91cd\u6784&#xff0c;\u51cf\u5c11\u9501\u7684\u4f7f\u7528&#xff0c;\u6216\u8005\u4f7f\u7528\u975e\u963b\u585e\u6570\u636e\u7ed3\u6784\u3002 <\/li>\n<li>  \u6d4b\u8bd5\u9a8c\u8bc1&#xff1a;  \u5728\u8c03\u6574\u540e\u91cd\u65b0\u8fdb\u884c\u8d1f\u8f7d\u6d4b\u8bd5&#xff0c;\u9a8c\u8bc1\u6027\u80fd\u662f\u5426\u5f97\u5230\u4e86\u63d0\u5347&#xff0c;\u6216\u8005\u662f\u5426\u6709\u65b0\u7684\u95ee\u9898\u51fa\u73b0\u3002 <\/li>\n<p> \u4f8b\u5982&#xff0c;\u5728\u67d0\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u4e2d&#xff0c;\u901a\u8fc7\u5f15\u5165\u5f02\u6b65I\/O\u64cd\u4f5c\u548c\u8c03\u6574\u7ebf\u7a0b\u6c60\u914d\u7f6e&#xff0c;\u6210\u529f\u5730\u5c06\u5904\u7406\u8bf7\u6c42\u7684\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u51cf\u5c11\u4e8630%&#xff0c;\u540c\u65f6\u5904\u7406\u80fd\u529b\u63d0\u5347\u4e8650%\u3002\u8fd9\u4e9b\u4f18\u5316\u63aa\u65bd\u786e\u4fdd\u4e86\u670d\u52a1\u5668\u80fd\u591f\u66f4\u597d\u5730\u5e94\u5bf9\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u5404\u79cd\u6311\u6218\u3002 <\/p>\n<p> \u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d&#xff0c;\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u5177\u4f53\u9700\u6c42&#xff0c;\u53ef\u80fd\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u8c03\u4f18\u548c\u8c03\u6574\u3002\u4f8b\u5982&#xff0c;\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u5185\u5b58\u6c60\u4ee5\u51cf\u5c11\u5185\u5b58\u5206\u914d\u548c\u56de\u6536\u7684\u5f00\u9500&#xff0c;\u6216\u8005\u5f15\u5165\u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b\u6765\u8fdb\u4e00\u6b65\u964d\u4f4e\u7ebf\u7a0b\u7684\u4f7f\u7528\u3002 <\/p>\n<p> \u901a\u8fc7\u8fd9\u4e9b\u7efc\u5408\u6027\u7684\u8c03\u4f18\u5b9e\u8df5&#xff0c;\u53ef\u4ee5\u663e\u8457\u63d0\u5347IOCP\u7c7b\u5728\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u4e2d\u7684\u8868\u73b0&#xff0c;\u786e\u4fdd\u670d\u52a1\u5668\u80fd\u591f\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u4fdd\u6301\u7a33\u5b9a\u7684\u6027\u80fd\u3002 <\/p>\n<h2> 5. \u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b <\/h2>\n<p> \u9ad8\u5e76\u53d1\u5904\u7406\u662f\u73b0\u4ee3\u7f51\u7edc\u5e94\u7528\u4e2d\u7684\u5173\u952e\u6311\u6218&#xff0c;\u5c24\u5176\u5bf9\u4e8e\u4f7f\u7528IOCP\u6a21\u578b\u6784\u5efa\u7684\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u800c\u8a00\u3002\u672c\u7ae0\u8282\u5c06\u63a2\u8ba8\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\u7684\u6311\u6218&#xff0c;\u5e76\u6df1\u5165\u5206\u6790\u5982\u4f55\u4f18\u5316IOCP\u7c7b\u7684\u5e76\u53d1\u673a\u5236\u4ee5\u5e94\u5bf9\u8fd9\u4e9b\u6311\u6218\u3002 <\/p>\n<h3> 5.1 \u7406\u89e3\u9ad8\u5e76\u53d1\u4e0b\u7684\u6311\u6218 <\/h3>\n<h4> 5.1.1 \u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\u7684\u95ee\u9898\u5206\u6790 <\/h4>\n<p> \u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b&#xff0c;\u7cfb\u7edf\u4f1a\u9047\u5230\u4e00\u7cfb\u5217\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u95ee\u9898\u3002\u9996\u5148&#xff0c;\u5f53\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u8bf7\u6c42\u6d8c\u5165\u65f6&#xff0c;\u670d\u52a1\u5668\u7684\u5904\u7406\u80fd\u529b\u53ef\u80fd\u4f1a\u8fbe\u5230\u9971\u548c\u72b6\u6001&#xff0c;\u5bfc\u81f4\u5ef6\u8fdf\u589e\u52a0\u548c\u54cd\u5e94\u901f\u5ea6\u4e0b\u964d\u3002\u5176\u6b21&#xff0c;\u8d44\u6e90\u7ade\u4e89\u548c\u540c\u6b65\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u6216\u6b7b\u9501\u3002\u6700\u540e&#xff0c;\u670d\u52a1\u964d\u7ea7\u548c\u7cfb\u7edf\u5d29\u6e83\u7684\u98ce\u9669\u4e5f\u4f1a\u968f\u4e4b\u589e\u52a0\u3002 <\/p>\n<h4> 5.1.2 \u9ad8\u5e76\u53d1\u573a\u666f\u5bf9IOCP\u7c7b\u7684\u7279\u6b8a\u8981\u6c42 <\/h4>\n<p> \u9488\u5bf9\u9ad8\u5e76\u53d1\u573a\u666f&#xff0c;IOCP\u7c7b\u9700\u8981\u6ee1\u8db3\u4ee5\u4e0b\u7279\u6b8a\u8981\u6c42&#xff1a; <\/p>\n<ul>\n<li>  \u9ad8\u6548\u7684\u4efb\u52a1\u8c03\u5ea6\u673a\u5236  &#xff0c;\u786e\u4fdd\u5373\u4f7f\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u4e5f\u80fd\u5feb\u901f\u54cd\u5e94\u3002 <\/li>\n<li>  \u7075\u6d3b\u7684\u8d44\u6e90\u7ba1\u7406  &#xff0c;\u4ee5\u4fbf\u6709\u6548\u5730\u5206\u914d\u548c\u56de\u6536\u8d44\u6e90\u3002 <\/li>\n<li>  \u826f\u597d\u7684\u53ef\u6269\u5c55\u6027  &#xff0c;\u4ee5\u652f\u6301\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u548c\u6c34\u5e73\u6269\u5c55\u3002 <\/li>\n<li>  \u7a33\u5b9a\u6027\u548c\u5bb9\u9519\u6027  &#xff0c;\u5728\u90e8\u5206\u7ec4\u4ef6\u6545\u969c\u65f6\u4ecd\u80fd\u7ef4\u6301\u670d\u52a1\u53ef\u7528\u6027\u3002 <\/li>\n<\/ul>\n<h3> 5.2 IOCP\u7c7b\u7684\u5e76\u53d1\u673a\u5236\u4f18\u5316 <\/h3>\n<h4> 5.2.1 \u5e76\u53d1\u673a\u5236\u7684\u7406\u8bba\u57fa\u7840 <\/h4>\n<p> \u5e76\u53d1\u673a\u5236\u7684\u6838\u5fc3\u5728\u4e8e\u5408\u7406\u5730\u5206\u914d\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u51cf\u5c11\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f00\u9500&#xff0c;\u5e76\u6709\u6548\u5730\u7ba1\u7406\u540c\u6b65\u3002\u7406\u8bba\u4e0a\u6709\u51e0\u4e2a\u5173\u952e\u70b9&#xff1a; <\/p>\n<ul>\n<li>  \u9501\u7684\u6700\u5c0f\u5316  &#xff0c;\u4f7f\u7528\u5c3d\u53ef\u80fd\u5c11\u7684\u9501&#xff0c;\u5e76\u5728\u5fc5\u8981\u65f6\u624d\u8fdb\u884c\u52a0\u9501\u3002 <\/li>\n<li>  \u9501\u7684\u7c92\u5ea6  &#xff0c;\u7ec6\u7c92\u5ea6\u7684\u9501\u53ef\u4ee5\u51cf\u5c11\u51b2\u7a81&#xff0c;\u4f46\u4e5f\u4f1a\u589e\u52a0\u590d\u6742\u6027\u3002 <\/li>\n<li>  \u65e0\u9501\u7f16\u7a0b  &#xff0c;\u5229\u7528\u539f\u5b50\u64cd\u4f5c\u548c\u65e0\u9501\u6570\u636e\u7ed3\u6784\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002 <\/li>\n<li>  \u961f\u5217\u8bbe\u8ba1  &#xff0c;\u4f18\u5316\u7ebf\u7a0b\u7684\u7b49\u5f85\u4e0e\u5524\u9192\u673a\u5236&#xff0c;\u51cf\u5c11\u7ebf\u7a0b\u963b\u585e\u548c\u5524\u9192\u7684\u5f00\u9500\u3002 <\/li>\n<\/ul>\n<h4> 5.2.2 IOCP\u7c7b\u5e76\u53d1\u4f18\u5316\u5b9e\u8df5 <\/h4>\n<p> \u5728IOCP\u7c7b\u7684\u4f18\u5316\u5b9e\u8df5\u4e2d&#xff0c;\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li>  \u4f18\u5316IOCP\u6a21\u578b\u7ebf\u7a0b\u6c60  &#xff0c;\u8c03\u6574\u7ebf\u7a0b\u6570\u4ee5\u9002\u5e94\u5f53\u524d\u8d1f\u8f7d\u3002 <\/li>\n<li>  \u5b9e\u73b0\u975e\u963b\u585eIO\u64cd\u4f5c  &#xff0c;\u51cf\u5c11\u7ebf\u7a0b\u5728\u7b49\u5f85IO\u5b8c\u6210\u65f6\u7684\u7a7a\u95f2\u65f6\u95f4\u3002 <\/li>\n<li>  \u4f7f\u7528\u672c\u5730\u7ebf\u7a0b\u5b58\u50a8  &#xff08;Thread-Local Storage, TLS&#xff09;&#xff0c;\u907f\u514d\u7ebf\u7a0b\u95f4\u5171\u4eab\u6570\u636e\u7684\u540c\u6b65\u5f00\u9500\u3002 <\/li>\n<li>  \u91c7\u7528\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b  &#xff0c;\u4f18\u5316\u7f13\u51b2\u533a\u7684\u4f7f\u7528&#xff0c;\u51cf\u5c11\u8d44\u6e90\u4e89\u7528\u3002 <\/li>\n<h4> 5.2.3 \u4f18\u5316\u6548\u679c\u8bc4\u4f30\u4e0e\u6848\u4f8b\u5206\u4eab <\/h4>\n<p> \u8bc4\u4f30\u4f18\u5316\u6548\u679c\u65f6&#xff0c;\u53ef\u4ee5\u76d1\u63a7\u548c\u6bd4\u8f83\u4ee5\u4e0b\u6307\u6807&#xff1a; <\/p>\n<ul>\n<li>  \u54cd\u5e94\u65f6\u95f4  &#xff1a;\u4f18\u5316\u524d\u540e\u5bf9\u8bf7\u6c42\u54cd\u5e94\u7684\u5e73\u5747\u65f6\u95f4\u3002 <\/li>\n<li>  \u541e\u5410\u91cf  &#xff1a;\u5355\u4f4d\u65f6\u95f4\u5185\u5904\u7406\u7684\u8bf7\u6c42\u6570\u91cf\u3002 <\/li>\n<li>  \u8d44\u6e90\u5229\u7528\u7387  &#xff1a;CPU\u548c\u5185\u5b58\u7684\u4f7f\u7528\u6548\u7387\u3002 <\/li>\n<li>  \u9519\u8bef\u7387\u548c\u4e22\u5305\u7387  &#xff1a;\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\u7684\u5f02\u5e38\u60c5\u51b5\u7edf\u8ba1\u3002 <\/li>\n<\/ul>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f18\u5316\u524d\u540e\u5bf9\u6bd4\u7684\u793a\u4f8b\u4ee3\u7801&#xff0c;\u5047\u8bbe\u6211\u4eec\u5728\u4e00\u4e2a\u7b80\u5355\u7684IOCP\u6a21\u578b\u5b9e\u73b0\u4e2d\u8fdb\u884c\u4e86\u4f18\u5316&#xff1a; <\/p>\n<p>\/\/ \u4f18\u5316\u524d\u7684IOCP\u7ebf\u7a0b\u6c60\u4f7f\u7528\u60c5\u51b5<br \/>\nvar iocp &#061; new IOCPThreadPool();<br \/>\niocp.SetMaxThreads(10);<br \/>\niocp.Start();<\/p>\n<p>\/\/ \u53d1\u9001\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u7684\u6a21\u62df\u51fd\u6570<br \/>\nvoid SendConcurrentRequests()<br \/>\n{<br \/>\n    \/\/ &#8230; \u53d1\u9001\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u4ee3\u7801<br \/>\n}<\/p>\n<p>\/\/ \u4f18\u5316\u540e\u7684IOCP\u7ebf\u7a0b\u6c60\u4f7f\u7528\u60c5\u51b5<br \/>\nvar optimizedIocp &#061; new OptimizedIOCPThreadPool();<br \/>\noptimizedIocp.SetMaxThreads(20);<br \/>\noptimizedIocp.SetIOCompetionCallback(NonBlockingIOOperation);<br \/>\noptimizedIocp.Start();<\/p>\n<p>\/\/ \u4f18\u5316\u540e\u56de\u8c03\u51fd\u6570\u7684\u4f2a\u4ee3\u7801&#xff0c;\u7528\u4e8e\u6267\u884c\u975e\u963b\u585eIO\u64cd\u4f5c<br \/>\nvoid NonBlockingIOOperation()<br \/>\n{<br \/>\n    \/\/ &#8230; \u6267\u884c\u975e\u963b\u585eIO\u64cd\u4f5c\u4ee3\u7801<br \/>\n}<\/p>\n<p> \u901a\u8fc7\u4f18\u5316&#xff0c;\u6211\u4eec\u53ef\u80fd\u4f1a\u770b\u5230\u54cd\u5e94\u65f6\u95f4\u7684\u663e\u8457\u51cf\u5c11\u548c\u541e\u5410\u91cf\u7684\u63d0\u9ad8&#xff0c;\u540c\u65f6\u8d44\u6e90\u7684\u5229\u7528\u7387\u4e5f\u4f1a\u66f4\u52a0\u9ad8\u6548\u3002 <\/p>\n<h3> 5.3 \u6838\u5fc3\u7ec4\u4ef6\u4ee3\u7801\u5206\u6790 <\/h3>\n<h4> 5.3.1 \u5173\u952e\u4ee3\u7801\u6bb5\u7684\u89e3\u8bfb <\/h4>\n<p> \u5bf9\u4e8eIOCP\u6a21\u578b\u800c\u8a00&#xff0c;\u5173\u952e\u7ec4\u4ef6\u901a\u5e38\u5305\u62ec\u7ebf\u7a0b\u6c60\u548cIO\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\u3002\u5728\u5b9e\u73b0\u9ad8\u5e76\u53d1\u5904\u7406\u65f6&#xff0c;\u9700\u8981\u7279\u522b\u6ce8\u610f\u7ebf\u7a0b\u6c60\u7684\u7ba1\u7406\u7b56\u7565\u548c\u4e8b\u4ef6\u5206\u53d1\u7684\u6548\u7387\u3002 <\/p>\n<h4> 5.3.2 \u6838\u5fc3\u7ec4\u4ef6\u7684\u4ea4\u4e92\u4e0e\u534f\u4f5c <\/h4>\n<p> \u6838\u5fc3\u7ec4\u4ef6\u4e4b\u95f4\u7684\u9ad8\u6548\u534f\u4f5c\u662f\u5b9e\u73b0\u9ad8\u5e76\u53d1\u7684\u5173\u952e\u3002\u4f8b\u5982&#xff0c;IOCP\u7ebf\u7a0b\u6c60\u9700\u8981\u4e0e\u7f51\u7edc\u4e8b\u4ef6\u8c03\u5ea6\u5668\u7d27\u5bc6\u914d\u5408&#xff0c;\u786e\u4fddIO\u4e8b\u4ef6\u80fd\u591f\u88ab\u53ca\u65f6\u5904\u7406\u5e76\u5206\u53d1\u7ed9\u5de5\u4f5c\u7ebf\u7a0b\u3002 <\/p>\n<h4> 5.3.3 \u4ee3\u7801\u6539\u8fdb\u4e0e\u7ef4\u62a4\u5efa\u8bae <\/h4>\n<p> 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\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\/04\/20250418172948-68028c0c5c202.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n<p> \u7b80\u4ecb&#xff1a;IOCP\u7c7b\u7684\u6539\u5199\u6d89\u53ca\u5bf9Windows 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