{"id":1255,"date":"2018-05-17T19:21:45","date_gmt":"2018-05-17T11:21:45","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1255"},"modified":"2018-05-17T19:21:45","modified_gmt":"2018-05-17T11:21:45","slug":"boostasio%e4%b8%ad%e6%96%87%e6%96%87%e6%a1%a3","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1255","title":{"rendered":"boost::asio\u4e2d\u6587\u6587\u6863"},"content":{"rendered":"<div class=\"article-title-box\">\n<h6 class=\"title-article\">boost::asio\u4e2d\u6587\u6587\u6863<\/h6>\n<\/div>\n<div class=\"article-info-box\">\n<div class=\"article-bar-top d-flex\"><span class=\"time\">2015\u5e7407\u670804\u65e5 12:16:42<\/span><\/p>\n<div class=\"float-right\"><span class=\"read-count\">\u9605\u8bfb\u6570\uff1a5924<\/span><\/div>\n<\/div>\n<\/div>\n<article>\n<div id=\"article_content clearfix\" class=\"article_content csdn-tracking-statistics\" data-pid=\"blog\" data-mod=\"popu_307\" data-dsm=\"post\">\n<div class=\"htmledit_views\">\n<p>Christopher Kohlhoff<\/p>\n<p align=\"left\">Copyright \u00a9 2003-2012 Christopher M. Kohlhoff<\/p>\n<p align=\"left\">\u4ee5Boost1.0\u7684\u8f6f\u4ef6\u6388\u6743\u8fdb\u884c\u53d1\u5e03(\u89c1\u9644\u5e26\u7684LICENSE_1_0.txt\u6587\u4ef6\u6216\u4ece<a href=\"http:\/\/www.boost.org\/LICENSE_1_0.txt\" target=\"_blank\" rel=\"noopener\">http:\/\/www.boost.org\/LICENSE_1_0.txt<\/a>)<\/p>\n<p align=\"left\">Boost.Asio\u662f\u7528\u4e8e\u7f51\u7edc\u548c\u4f4e\u5c42IO\u7f16\u7a0b\u7684\u8de8\u5e73\u53f0C++\u5e93,\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86C++\u73af\u5883\u4e0b\u7a33\u5b9a\u7684\u5f02\u6b65\u6a21\u578b.<\/p>\n<h2><a target=\"_blank\" name=\"t0\"><\/a>\u7efc\u8ff0<\/h2>\n<h3><a target=\"_blank\" name=\"t1\"><\/a>\u57fa\u672c\u539f\u7406<\/h3>\n<p align=\"left\">\u5e94\u7528\u7a0b\u5e8f\u4e0e\u5916\u754c\u4ea4\u4e92\u7684\u65b9\u5f0f\u6709\u5f88\u591a,\u53ef\u901a\u8fc7\u6587\u4ef6,\u7f51\u7edc,\u4e32\u53e3\u6216\u63a7\u5236\u53f0.\u4f8b\u5982\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d,\u5b8c\u6210\u72ec\u7acb\u7684IO\u64cd\u4f5c\u9700\u8981\u5f88\u957f\u65f6\u95f4.\u5bf9\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u8005\u63d0\u51fa\u4e86\u4e00\u4e2a\u6311\u6218.<\/p>\n<p align=\"left\">Boost.Asio\u00a0\u63d0\u4f9b\u4e86\u7ba1\u7406\u9700\u957f\u65f6\u95f4\u8fd0\u884c\u64cd\u4f5c\u7684\u5de5\u5177,\u4f46\u4e0d\u5fc5\u6d89\u53ca\u5230\u7ebf\u7a0b\u7684\u5e76\u53d1\u6a21\u5f0f\u548c\u663e\u793a\u9501\u5b9a.<\/p>\n<p align=\"left\">Boost.Asio\u00a0\u5e93\u4f7f\u7528C++\u6765\u5b9e\u73b0,\u63d0\u4f9b\u5982\u7f51\u7edc\u7f16\u7a0b\u7b49\u5e38\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u63a5\u53e3. Boost.Asio\u5b9e\u73b0\u4e86\u5982\u4e0b\u76ee\u6807:<\/p>\n<p align=\"left\">\u00b7\u00a0<strong>\u53ef\u79fb\u690d\u6027Portability.<\/strong>\u5e93\u652f\u6301\u4e00\u7cfb\u5217\u7684\u5e38\u7528\u7cfb\u7edf\u64cd\u4f5c,\u5177\u6709\u7a33\u5b9a\u7684\u8de8\u5e73\u53f0\u7279\u6027.<\/p>\n<p align=\"left\">\u00b7\u00a0<strong>\u53ef\u6269\u5c55\u6027Scalability.<\/strong>\u5e93\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u6784\u5efa\u6570\u5343\u5e76\u53d1\u8fde\u63a5\u7684\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f.\u5e93\u4e2d\u5b9e\u73b0\u7684\u6bcf\u4e2a\u7cfb\u7edf\u64cd\u4f5c\u90fd\u4f7f\u7528\u4e86\u6700\u5177\u6269\u5c55\u6027\u7684\u673a\u5236.<\/p>\n<p align=\"left\">\u00b7\u00a0<strong>\u6548\u7387Efficiency.<\/strong>\u5e93\u652f\u6301\u53d1\u6563\u805a\u5408IO(scatter-gather I\/O)\u7b49\u6280\u672f,\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5c3d\u91cf\u5c11\u7684\u62f7\u8d1d\u6570\u636e.<\/p>\n<p align=\"left\">\u00b7\u00a0<strong>\u53ef\u4ee5\u50cfBSD Sockets\u4e00\u6837\u901a\u8fc7API\u51fd\u6570\u5efa\u7acb\u6a21\u578b\u6982\u5ff5.<\/strong>\u00a0BSD Socket API\u5e94\u7528\u5e7f\u4e3a\u4eba\u77e5,\u6709\u5f88\u591a\u76f8\u5173\u7684\u7a0b\u5e8f\u5e93.\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u901a\u5e38\u4f7f\u7528\u5176\u7b80\u5355\u7684\u7f51\u7edcAPI\u63a5\u53e3.\u51fa\u4e8e\u8fd9\u4e9b\u539f\u56e0, Boost.Asio\u540c\u6837\u4f7f\u7528\u5df2\u5b58\u5728\u7684\u6280\u672f\u6784\u5efa.<\/p>\n<p align=\"left\">\u00b7\u00a0<strong>\u6613\u4e8e\u4f7f\u7528Ease of use.<\/strong>\u5e93\u63d0\u4f9b\u4e86\u5de5\u5177\u7bb1\u800c\u4e0d\u662f\u6846\u67b6\u6765\u964d\u4f4e\u65b0\u624b\u7684\u5165\u95e8\u95e8\u69db.\u53ef\u4f7f\u7528\u6700\u5c11\u7684\u65f6\u95f4\u6295\u5165\u6765\u5b66\u4e60\u57fa\u672c\u7684\u89c4\u5219\u548c\u65b9\u9488.\u800c\u540e,\u5e93\u7684\u4f7f\u7528\u8005\u53ea\u9700\u8981\u7406\u89e3\u7528\u5230\u7684\u7279\u5b9a\u51fd\u6570\u5373\u53ef.<\/p>\n<p align=\"left\">\u00b7\u00a0<strong>\u57fa\u4e8e\u66f4\u591a\u7684\u62bd\u8c61.Basis for further abstraction.<\/strong>\u5e93\u63d0\u4f9b\u4e86\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61\u5141\u8bb8\u5176\u4ed6\u5e93\u7684\u5f00\u53d1\u8005\u8fdb\u884c\u6269\u5c55.\u4f8b\u5982,\u5b9e\u73b0\u5e38\u7528\u7684HTTP\u534f\u8bae.<\/p>\n<p align=\"left\">\u867d\u7136Boost.Asio\u4e00\u5f00\u59cb\u5b9a\u4f4d\u4e8e\u7f51\u7edc\u901a\u4fe1,\u4f46\u5176\u5f02\u6b65IO\u7684\u6982\u5ff5\u5df2\u7ecf\u6269\u5c55\u5230\u4e86\u5982\u4e32\u53e3\u901a\u4fe1,\u6587\u4ef6\u63cf\u8ff0\u7b26\u7b49\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7684IO\u64cd\u4f5c\u65b9\u9762.<\/p>\n<h3><a target=\"_blank\" name=\"t2\"><\/a>\u6838\u5fc3\u6982\u5ff5\u548c\u529f\u80fd<\/h3>\n<h4><a target=\"_blank\" name=\"t3\"><\/a>\u89e3\u6790Boost.Asio<\/h4>\n<p align=\"left\">Boost.Asio\u00a0\u53ef\u7528\u4e8e\u5982socket\u7b49IO\u5bf9\u8c61\u7684\u540c\u6b65\u6216\u5f02\u6b65\u64cd\u4f5c.\u5728\u4f7f\u7528Boost.Asio\u524d\u4e86\u89e3Boost.Asio\u6982\u5ff5\u56fe, \u53ca\u4e0e\u5e94\u7528\u7a0b\u5e8f\u7684\u76f8\u4e92\u96c6\u6210\u662f\u5f88\u6709\u5e2e\u52a9\u7684.<\/p>\n<p align=\"left\">\u7b2c\u4e00\u4e2a\u8303\u4f8b,\u770b\u770b\u5904\u7406socket\u8fde\u63a5\u7684\u60c5\u51b5.\u9996\u5148\u4ece\u540c\u6b65\u64cd\u4f5c\u5f00\u59cb.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/my.csdn.net\/uploads\/201204\/17\/1334647337_8178.JPG\" alt=\"\" \/><\/p>\n<p align=\"left\"><strong>\u5e94\u7528\u7a0b\u5e8f<\/strong>\u5fc5\u987b\u6709\u4e00\u4e2a<strong>io_service<\/strong>\u5bf9\u8c61.<strong>\u00a0io_service<\/strong>\u5bf9\u8c61\u8d1f\u8d23\u8fde\u63a5\u5e94\u7528\u7a0b\u5e8f\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u7684IO\u670d\u52a1.<\/p>\n<p align=\"left\">boost::asio::io_service io_service;<\/p>\n<p align=\"left\">\u8981\u6267\u884cIO\u64cd\u4f5c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u4e00\u4e2a\u50cfTCP Socket\u7684IO\u5bf9\u8c61:<\/p>\n<p align=\"left\">boost::asio::ip::tcp::socket socket(io_service);<\/p>\n<p align=\"left\">\u800c\u540e\u6267\u884c\u540c\u6b65\u8fde\u63a5\u64cd\u4f5c,\u53d1\u9001\u5982\u4e0b\u4e8b\u4ef6:<\/p>\n<p align=\"left\">1.\u00a0<strong>\u5e94\u7528\u7a0b\u5e8f<\/strong>\u901a\u8fc7\u8c03\u7528IO\u5bf9\u8c61\u521d\u59cb\u5316\u8fde\u63a5\u64cd\u4f5c:<\/p>\n<p align=\"left\">socket.connect(server_endpoint);<\/p>\n<p align=\"left\">2. IO\u5bf9\u8c61\u5411<strong>io_service<\/strong>\u00a0\u63d0\u51fa\u8bf7\u6c42.<\/p>\n<p align=\"left\">3.\u00a0<strong>io_service<\/strong>\u00a0\u8c03\u7528<strong>\u64cd\u4f5c\u7cfb\u7edf<\/strong>\u529f\u80fd\u6267\u884c\u8fde\u63a5\u64cd\u4f5c.<\/p>\n<p align=\"left\">4.\u00a0\u64cd\u4f5c\u7cfb\u7edf\u5411<strong>io_service<\/strong>\u00a0\u8fd4\u56de\u6267\u884c\u7ed3\u679c.<\/p>\n<p align=\"left\">5.\u00a0<strong>io_service<\/strong>\u5c06\u9519\u8bef\u7684\u64cd\u4f5c\u7ed3\u679c\u7ffb\u8bd1\u4e3aboost::system::error_code\u7c7b\u578b. error_code\u53ef\u4e0e\u7279\u5b9a\u503c\u8fdb\u884c\u6bd4\u8f83,\u6216\u4f5c\u4e3aboolean\u503c\u68c0\u6d4b(false\u8868\u793a\u65e0\u9519\u8bef).\u7ed3\u679c\u518d\u4f20\u9012\u7ed9<strong>IO\u5bf9\u8c61<\/strong>.<\/p>\n<p align=\"left\">6.\u00a0\u5982\u679c\u64cd\u4f5c\u5931\u8d25,IO\u5bf9\u8c61\u629b\u51faboost::system::system_error\u7c7b\u578b\u7684\u5f02\u5e38.\u5f00\u59cb\u64cd\u4f5c\u7684\u4ee3\u7801\u5982\u4e0b\u6240\u793a:<\/p>\n<p align=\"left\">boost::system::error_code ec;<\/p>\n<p align=\"left\">socket.connect(server_endpoint, ec);<\/p>\n<p align=\"left\">\u800c\u540eerror_code\u7c7b\u578b\u7684\u53d8\u91cfec\u88ab\u8d4b\u4e88\u64cd\u4f5c\u7684\u7ed3\u679c\u503c,\u4f46\u4e0d\u4f1a\u629b\u51fa\u5f02\u5e38.<\/p>\n<p align=\"left\">\u5bf9\u4e8e\u5f02\u6b65\u64cd\u4f5c,\u4e8b\u4ef6\u987a\u5e8f\u4e0d\u540c.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/my.csdn.net\/uploads\/201204\/17\/1334647374_4090.JPG\" alt=\"\" \/><\/p>\n<p align=\"left\">1.\u00a0<strong>\u5e94\u7528\u7a0b\u5e8f<\/strong>\u8c03\u7528<strong>IO<\/strong>\u5bf9\u8c61\u8fdb\u884c\u8fde\u63a5\u64cd\u4f5c:<\/p>\n<p align=\"left\">socket.async_connect(server_endpoint, your_completion_handler);<\/p>\n<p align=\"left\">your_completion_handler\u51fd\u6570\u7684\u7b7e\u540d\u4e3a:<\/p>\n<p align=\"left\">void your_completion_handler(const boost::system::error_code&amp; ec);<\/p>\n<p align=\"left\">\u6267\u884c\u7684\u5f02\u6b65\u64cd\u4f5c\u9700\u8981\u4e25\u683c\u7684\u51fd\u6570\u7b7e\u540d.\u6bcf\u79cd\u64cd\u4f5c\u7684\u5408\u6cd5\u5f62\u5f0f\u53ef\u89c1\u53c2\u8003\u6587\u6863.<\/p>\n<p align=\"left\">2. IO\u5bf9\u8c61\u8bf7\u6c42<strong>io_service<\/strong>\u00a0.<\/p>\n<p align=\"left\">3.\u00a0<strong>io_service<\/strong>\u00a0\u901a\u77e5<strong>\u64cd\u4f5c\u7cfb\u7edf<\/strong>\u5176\u9700\u8981\u5f00\u59cb\u4e00\u4e2a\u5f02\u6b65\u8fde\u63a5.<\/p>\n<p align=\"left\">\u65f6\u5e8f\u8fc7\u7a0b.(\u5728\u540c\u6b65\u60c5\u51b5\u4e0b\u7b49\u5f85\u5305\u62ec\u8fde\u63a5\u64cd\u4f5c\u65f6\u95f4.)<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/my.csdn.net\/uploads\/201204\/17\/1334647409_6416.JPG\" alt=\"\" \/><\/p>\n<p align=\"left\">4.\u00a0<strong>\u64cd\u4f5c\u7cfb\u7edf<\/strong>\u6307\u793a\u8fde\u63a5\u64cd\u4f5c\u5b8c\u6210,<strong>\u00a0io_service<\/strong>\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u64cd\u4f5c\u7ed3\u679c.<\/p>\n<p align=\"left\">5.\u00a0<strong>\u5e94\u7528\u7a0b\u5e8f<\/strong>\u5fc5\u987b\u8c03\u7528io_service::run()(\u6216<strong>io_service<\/strong>\u76f8\u4f3c\u7684\u6210\u5458\u51fd\u6570)\u4ee5\u4fbf\u4e8e\u63a5\u6536\u7ed3\u679c.\u8c03\u7528io_service::run()\u4f1a\u963b\u585e\u672a\u5b8c\u6210\u7684\u5f02\u6b65\u64cd\u4f5c,\u56e0\u6b64\u53ef\u5728\u542f\u52a8\u7b2c\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u540e\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570.<\/p>\n<p align=\"left\">6.\u00a0\u8c03\u7528io_service::run()\u540e,io_service\u8fd4\u56de\u4e00\u4e2a\u64cd\u4f5c\u7ed3\u679c,\u5e76\u5c06\u5176\u7ffb\u8bd1\u4e3aerror_code,\u4f20\u9012\u5230\u4e8b\u4ef6\u5904\u7406\u5668\u4e2d.<\/p>\n<p align=\"left\">\u8fd9\u662fBoost.Asio\u7684\u7b80\u5355\u56fe\u5f62.\u66f4\u591a\u7279\u6027\u53ef\u4ece\u6587\u6863\u4e2d\u83b7\u53d6,\u5982\u4f7f\u7528Boost.Asio\u6267\u884c\u5176\u4ed6\u7c7b\u578b\u7684\u5f02\u6b65\u64cd\u4f5c.<\/p>\n<h5><a target=\"_blank\" name=\"t4\"><\/a>Proactor\u8bbe\u8ba1\u6a21\u5f0f:\u65e0\u7ebf\u7a0b\u5e76\u53d1<\/h5>\n<p>Boost.Asio\u5e93\u540c\u65f6\u652f\u6301\u540c\u6b65\u548c\u5f02\u6b65\u64cd\u4f5c.\u5f02\u6b65\u652f\u6301\u57fa\u4e8eProactor\u8bbe\u8ba1\u6a21\u5f0f.\u4e0b\u9762\u8ba8\u8bba\u8fd9\u79cd\u65b9\u5f0f\u4e0e\u540c\u6b65\u64cd\u4f5c\u53caReactor\u65b9\u5f0f\u76f8\u6bd4\u7684\u4f18\u7f3a\u70b9.<\/p>\n<h5><a target=\"_blank\" name=\"t5\"><\/a>Proactor\u548cBoost.Asio<\/h5>\n<p>\u73b0\u5728\u8ba8\u8bbaProactor\u4e0d\u4f9d\u8d56\u5e73\u53f0\u7ec6\u8282\u7684\u7279\u6027.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/my.csdn.net\/uploads\/201204\/17\/1334647449_9350.JPG\" alt=\"\" \/><\/p>\n<h5><a target=\"_blank\" name=\"t6\"><\/a>Proactor \u8bbe\u8ba1\u6a21\u5f0f<\/h5>\n<p>\u2014\u00a0<strong>\u5f02\u6b65\u64cd\u4f5c<\/strong>:\u5b9a\u4e49\u4e00\u4e2a\u5f02\u6b65\u6267\u884c\u64cd\u4f5c,\u5982Socket\u5f02\u6b65\u8bfb\u5199.<\/p>\n<p>\u2014\u00a0<strong>\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668<\/strong>:\u6267\u884c\u5f02\u6b65\u64cd\u4f5c\u5e76\u5728\u64cd\u4f5c\u5b8c\u6210\u540e\u6267\u884c\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\u4e2d\u7684\u961f\u5217\u4e8b\u4ef6.\u4ece\u66f4\u9ad8\u5c42\u6b21\u4e0a\u8bf4,\u670d\u52a1\u7aef\u7684stream_socket_service \u5c31\u662f\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668.<\/p>\n<p>\u2014\u00a0<strong>\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217<\/strong>:\u7f13\u51b2\u5b8c\u6210\u4e8b\u4ef6,\u76f4\u5230\u88ab\u5f02\u6b65\u4e8b\u4ef6\u4fe1\u53f7\u5206\u79bb\u5668\u79fb\u51fa\u961f\u5217.<\/p>\n<p>\u2014\u00a0<strong>\u5b8c\u6210\u53e5\u67c4<\/strong>:\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u7ed3\u679c.\u8fd9\u662f\u4e00\u4e2a\u51fd\u6570\u5bf9\u8c61,\u901a\u5e38\u4f7f\u7528boost::bind\u521b\u5efa.<\/p>\n<p>\u2014\u00a0<strong>\u5f02\u6b65\u4e8b\u4ef6\u4fe1\u53f7\u5206\u79bb\u5668<\/strong>:\u5728\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\u4e2d\u963b\u585e\u7b49\u5f85\u4e8b\u4ef6,\u53d7\u4fe1\u540e\u5411\u8c03\u7528\u8005\u8fd4\u56de\u5b8c\u6210\u4e8b\u4ef6.<\/p>\n<p>\u2014\u00a0<strong>Proactor<\/strong>\u00a0:\u8c03\u7528\u5f02\u6b65\u4e8b\u4ef6\u4fe1\u53f7\u5206\u79bb\u5668\u5c06\u4e8b\u4ef6\u79fb\u51fa\u961f\u5217,\u5e76\u4e3a\u8fd9\u4e2a\u4e8b\u4ef6\u5206\u914d\u4e00\u4e2a\u5b8c\u6210\u53e5\u67c4(\u5982\u8c03\u7528\u51fd\u6570\u5bf9\u8c61).\u8fd9\u4e2a\u529f\u80fd\u5c01\u88c5\u5728io_service\u7c7b\u4e2d.<\/p>\n<p>\u2014\u00a0<strong>\u521d\u59cb\u5316\u5668<\/strong>: \u6267\u884c\u7279\u5b9a\u7a0b\u5e8f\u4ee3\u7801\u542f\u52a8\u5f02\u6b65\u64cd\u4f5c.\u521d\u59cb\u5316\u5668\u901a\u8fc7\u5982basic_stream_socket\u7b49\u9ad8\u5c42\u6b21\u63a5\u53e3\u4e0e\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668\u4ea4\u4e92,\u5176\u8fd4\u56destream_socket_service\u7b49\u7c7b\u578b\u7684\u670d\u52a1\u4ee3\u7406.<\/p>\n<h5><a target=\"_blank\" name=\"t7\"><\/a>\u4f7f\u7528Reactor\u7684\u5b9e\u73b0<\/h5>\n<p>\u5728\u5f88\u591a\u5e73\u53f0\u4e0aBoost.Asio\u6309\u7167Reactor\u6765\u5b9e\u73b0Proactor\u8bbe\u8ba1\u6a21\u5f0f,\u5982select,epoll\u6216kqueue.\u76f8\u5bf9\u4e8eProactor\u5176\u5b9e\u73b0\u65b9\u5f0f\u5982\u4e0b:<\/p>\n<p>\u2014\u00a0<strong>\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668<\/strong>:Reactor\u4f7f\u7528select,epoll\u6216kqueue\u673a\u5236\u5b9e\u73b0.\u5982\u679creactor\u6307\u793a\u8fd0\u884c\u64cd\u4f5c\u7684\u8d44\u6e90\u5df2\u7ecf\u5c31\u4f4d,\u5904\u7406\u5668\u6267\u884c\u5f02\u6b65\u64cd\u4f5c\u5e76\u5728\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\u4e2d\u63d2\u5165\u76f8\u5e94\u7684\u5b8c\u6210\u53e5\u67c4.<\/p>\n<p>\u2014\u00a0<strong>\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217<\/strong>:\u5b8c\u6210\u53e5\u67c4\u7684\u94fe\u8868(\u5982\u51fd\u6570\u5bf9\u8c61).<\/p>\n<p>\u2014\u00a0<strong>\u5f02\u6b65\u4e8b\u4ef6\u4fe1\u53f7\u5206\u79bb\u5668<\/strong>:\u5728\u4e8b\u4ef6\u6216\u6761\u4ef6\u53d8\u91cf\u4e0a\u7b49\u5f85,\u76f4\u5230\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217\u4e2d\u7684\u5b8c\u6210\u53e5\u67c4\u53ef\u7528.<\/p>\n<h5><a target=\"_blank\" name=\"t8\"><\/a>\u5b9e\u73b0Windows\u7684\u91cd\u53e0IO<\/h5>\n<p>\u5728Windows NT,2000,\u548cXP\u7cfb\u7edf\u4e2d, Boost.Asio\u4f7f\u7528\u91cd\u53e0IO\u9ad8\u6548\u5b9e\u73b0\u4e86Proactor\u8bbe\u8ba1\u6a21\u5f0f:<\/p>\n<p>\u2014\u00a0<strong>\u5f02\u6b65\u64cd\u4f5c\u5904\u7406\u5668<\/strong>:\u7531\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u73b0.\u64cd\u4f5c\u8c03\u7528\u5982AcceptEx\u7b49\u91cd\u53e0\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316.<\/p>\n<p>\u2014\u00a0<strong>\u5b8c\u6210\u4e8b\u4ef6\u961f\u5217<\/strong>:\u7531\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u73b0,\u4e0eIO\u5b8c\u6210\u7aef\u53e3\u76f8\u5173\u8054.\u6bcf\u4e2aio_service\u5b9e\u4f8b\u5bf9\u5e94\u4e00\u4e2aIO\u5b8c\u6210\u7aef\u53e3.<\/p>\n<p>\u2014\u00a0<strong>\u5f02\u6b65\u4e8b\u4ef6\u4fe1\u53f7\u5206\u79bb\u5668<\/strong>:\u7531Boost.Asio\u4ece\u961f\u5217\u4e2d\u79fb\u9664\u4e8b\u4ef6\u53ca\u5176\u76f8\u5173\u8054\u7684\u5b8c\u6210\u53e5\u67c4.<\/p>\n<h5><a target=\"_blank\" name=\"t9\"><\/a>\u4f18\u70b9<\/h5>\n<p>\u2014\u00a0<strong>\u53ef\u79fb\u690d\u6027Portability:<\/strong>\u5f88\u591a\u64cd\u4f5c\u7cfb\u7edf\u90fd\u63d0\u4f9b\u539f\u751f\u7684\u5f02\u6b65\u64cd\u4f5cIO API(\u5982Windows\u4e2d\u7684\u91cd\u53e0IO),\u662f\u5f00\u53d1\u8005\u5f00\u53d1\u9ad8\u6027\u80fd\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u4f73\u9009\u62e9.ASIO\u5e93\u53ef\u80fd\u5b9e\u73b0\u4e86\u539f\u751f\u7684\u5f02\u6b65IO.\u5982\u679c\u539f\u751f\u652f\u6301\u4e0d\u53ef\u7528,ASIO\u5e93\u53ef\u4f7f\u7528\u540c\u6b65\u4e8b\u4ef6\u4fe1\u53f7\u5206\u79bb\u5668\u5b9e\u73b0\u5178\u578b\u7684Reactor\u6a21\u5f0f,\u5982POSIX\u7684select().<\/p>\n<p><strong>\u2014 \u53bb\u9664\u591a\u7ebf\u7a0b\u5e76\u53d1\u7684\u8026\u5408<\/strong><\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u5f02\u6b65\u65b9\u5f0f\u8c03\u7528\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u64cd\u4f5c.\u4f46\u5e94\u7528\u7a0b\u5e8f\u4e0d\u5fc5\u4e3a\u589e\u52a0\u5e76\u53d1\u800c\u4ea7\u751f\u5927\u91cf\u7684\u7ebf\u7a0b.<\/p>\n<p>\u6bcf\u4e2a\u8fde\u63a5\u4e00\u4e2a\u7ebf\u7a0b\u7684\u5b9e\u73b0\u7b56\u7565(\u4ec5\u9700\u8981\u540c\u6b65\u7684\u65b9\u5f0f)&#8211;\u592a\u591a\u7684\u7ebf\u7a0b\u4f1a\u4ea7\u751f\u5927\u91cf\u7684CPU\u4e0a\u4e0b\u6587\u5207\u6362,\u540c\u6b65\u548c\u6570\u636e\u79fb\u52a8,\u5bfc\u81f4\u7cfb\u7edf\u6548\u7387\u964d\u4f4e.\u5f02\u6b65\u64cd\u4f5c\u901a\u8fc7\u6700\u5c0f\u5316\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u6570\u91cf\u6765\u53ef\u4ee5\u907f\u514d\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u4ee3\u4ef7&#8211;CPU\u662f\u5178\u578b\u7684\u6709\u9650\u8d44\u6e90,\u8fd9\u65f6\u4ec5\u7531\u6fc0\u6d3b\u7684\u903b\u8f91\u7ebf\u7a0b\u8fdb\u884c\u4e8b\u4ef6\u5904\u7406.<\/p>\n<p><strong>\u2014 \u7b80\u5355\u7684\u5e94\u7528\u7a0b\u5e8f\u540c\u6b65.<\/strong><\/p>\n<p>\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u53e5\u67c4\u53ef\u4ee5\u5728\u5df2\u5b58\u5728\u7684\u5355\u7ebf\u7a0b\u73af\u5883\u4e2d\u8fdb\u884c\u8bbe\u7f6e,\u6b64\u65f6\u5f00\u53d1\u51fa\u6765\u7684\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u6e05\u6670,\u4e0d\u5fc5\u6d89\u53ca\u540c\u6b65\u95ee\u9898.<\/p>\n<p><strong>\u2014 \u529f\u80fd\u7ec4\u5408.<\/strong><\/p>\n<p>\u529f\u80fd\u7ec4\u5408\u6307\u5b9e\u73b0\u9ad8\u5c42\u6b21\u64cd\u4f5c\u7684\u529f\u80fd,\u5982\u6309\u7279\u5b9a\u683c\u5f0f\u53d1\u9001\u6d88\u606f.\u6bcf\u4e2a\u529f\u80fd\u7684\u5b9e\u73b0\u90fd\u662f\u4f9d\u8d56\u4e8e\u591a\u6b21\u8c03\u7528\u5e95\u5c42\u7684\u8bfb\u6216\u5199\u64cd\u4f5c.<\/p>\n<p>\u4f8b\u5982, \u4e00\u4e2a\u5305\u542b\u56fa\u5b9a\u957f\u5ea6\u5305\u5934\u548c\u53d8\u957f\u5305\u4f53\u7684\u534f\u8bae,\u5305\u4f53\u957f\u5ea6\u5728\u5305\u5934\u4e2d\u6307\u5b9a.\u5047\u8bberead_message\u64cd\u4f5c\u7531\u4e24\u4e2a\u5e95\u5c42\u7684\u8bfb\u6765\u5b9e\u73b0,\u7b2c\u4e00\u6b21\u63a5\u6536\u5305\u5934,\u5f97\u5230\u957f\u5ea6,\u7b2c\u4e8c\u6b21\u63a5\u6536\u5305\u4f53.<\/p>\n<p>\u5982\u679c\u7528\u5f02\u6b65\u65b9\u5f0f\u6765\u7ec4\u5408\u8fd9\u4e9b\u529f\u80fd,\u53ef\u5c06\u8fd9\u4e9b\u5f02\u6b65\u8c03\u7528\u8fde\u63a5\u5230\u4e00\u8d77.\u524d\u4e00\u4e2a\u64cd\u4f5c\u7684\u5b8c\u6210\u53e5\u67c4\u521d\u59cb\u5316\u4e0b\u4e00\u4e2a\u64cd\u4f5c.\u5c01\u88c5\u94fe\u4e2d\u7684\u7b2c\u4e00\u4e2a\u64cd\u4f5c\u7684\u8c03\u7528,\u4f7f\u8c03\u7528\u8005\u4e0d\u4f1a\u610f\u8bc6\u5230\u8fd9\u4e2a\u9ad8\u5c42\u6b21\u7684\u64cd\u4f5c\u662f\u6309\u5f02\u6b65\u64cd\u4f5c\u94fe\u7684\u65b9\u5f0f\u5b9e\u73b0\u7684.<\/p>\n<p>\u6309\u6b64\u65b9\u5f0f\u53ef\u4ee5\u5f88\u7b80\u5355\u7684\u5411\u7f51\u8def\u5e93\u4e2d\u6dfb\u52a0\u65b0\u7684\u64cd\u4f5c,\u5f00\u53d1\u51fa\u66f4\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61,\u5982\u7279\u5b9a\u534f\u8bae\u7684\u529f\u80fd\u548c\u652f\u6301.<\/p>\n<h5><a target=\"_blank\" name=\"t10\"><\/a>\u7f3a\u70b9<\/h5>\n<p><strong>\u2014 \u62bd\u8c61\u590d\u6742.<\/strong><\/p>\n<p>\u7531\u4e8e\u64cd\u4f5c\u521d\u59cb\u5316\u548c\u5b8c\u6210\u5728\u65f6\u95f4\u548c\u7a7a\u95f4\u4e0a\u662f\u5206\u79bb\u7684,\u589e\u52a0\u4e86\u4f7f\u7528\u5f02\u6b65\u673a\u5236\u5f00\u53d1\u7a0b\u5e8f\u7684\u96be\u5ea6.\u800c\u4e14\u63a7\u5236\u6d41\u98a0\u5012\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5f88\u96be\u8c03\u8bd5.<\/p>\n<p><strong>\u2014 \u5185\u5b58\u5360\u7528.<\/strong><\/p>\n<p>\u5728\u8bfb\u548c\u5199\u8fc7\u7a0b\u4e2d\u5fc5\u987b\u72ec\u5360\u7f13\u51b2\u533a\u7a7a\u95f4,\u800c\u540e\u53c8\u53d8\u4e3a\u4e0d\u786e\u5b9a\u7684,\u6bcf\u4e2a\u5e76\u53d1\u64cd\u4f5c\u90fd\u9700\u8981\u4e00\u4e2a\u72ec\u7acb\u7684\u7f13\u51b2\u533a.\u5728Reactor\u6a21\u5f0f\u4e2d,\u6362\u53e5\u8bdd\u8bf4,\u76f4\u5230socket\u51c6\u5907\u8bfb\u6216\u5199\u65f6\u624d\u9700\u8981\u7f13\u51b2\u533a\u7a7a\u95f4.<\/p>\n<h4><a target=\"_blank\" name=\"t11\"><\/a>\u7ebf\u7a0b\u548cBoost.Asio<\/h4>\n<h4><a target=\"_blank\" name=\"t12\"><\/a>\u7ebf\u7a0b\u5b89\u5168<\/h4>\n<p>\u901a\u5e38\u5728\u6bcf\u4e2a\u5e76\u53d1\u64cd\u4f5c\u4e2d\u4f7f\u7528\u72ec\u7acb\u7684\u5bf9\u8c61\u662f\u5b89\u5168\u7684,\u4f46\u5e76\u53d1\u64cd\u4f5c\u4e2d\u4f7f\u7528\u540c\u4e00\u4e2a\u5bf9\u8c61\u5c31\u4e0d\u5b89\u5168\u4e86.\u7136\u800c\u5982io_service \u7b49\u7c7b\u578b\u53ef\u4ee5\u4fdd\u8bc1\u5e76\u53d1\u64cd\u4f5c\u4e2d\u4f7f\u7528\u540c\u4e00\u4e2a\u5bf9\u8c61\u4e5f\u662f\u5b89\u5168\u7684.<\/p>\n<h4><a target=\"_blank\" name=\"t13\"><\/a>\u7ebf\u7a0b\u6c60<\/h4>\n<p>\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u8c03\u7528io_service::run()\u51fd\u6570,\u5c31\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u8fd9\u4e9b\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u6c60,\u5176\u4e2d\u7684\u7ebf\u7a0b\u5728\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u540e\u8c03\u7528\u5b8c\u6210\u53e5\u67c4.\u4e5f\u53ef\u901a\u8fc7\u8c03\u7528io_service::post()\u5b9e\u73b0\u6a2a\u8de8\u6574\u4e2a\u7ebf\u7a0b\u6c60\u7684\u4efb\u610f\u8ba1\u7b97\u4efb\u52a1\u6765\u8fbe\u5230\u76f8\u540c\u7684\u76ee\u7684.<\/p>\n<p>\u6ce8\u610f\u6240\u6709\u52a0\u5165io_service\u6c60\u7684\u7ebf\u7a0b\u90fd\u662f\u5e73\u7b49\u7684,io_service\u53ef\u4ee5\u6309\u4efb\u610f\u7684\u65b9\u5f0f\u5411\u5176\u5206\u914d\u5de5\u4f5c.<\/p>\n<h4><a target=\"_blank\" name=\"t14\"><\/a>\u5185\u90e8\u7ebf\u7a0b<\/h4>\n<p>\u8fd9\u4e2a\u5e93\u7684\u7279\u5b9a\u5e73\u53f0\u5b9e\u73b0\u4f1a\u521b\u5efa\u51e0\u4e2a\u5185\u90e8\u7ebf\u7a0b\u6765\u6a21\u62df\u5f02\u6b65\u64cd\u4f5c.\u540c\u65f6,\u8fd9\u4e9b\u7ebf\u7a0b\u5bf9\u5e93\u7528\u6237\u662f\u4e0d\u53ef\u89c1\u7684.\u8fd9\u4e9b\u7ebf\u7a0b\u7279\u6027:<\/p>\n<ul type=\"disc\">\n<li>\u4e0d\u4f1a\u76f4\u63a5\u8c03\u7528\u7528\u6237\u7684\u4ee3\u7801<\/li>\n<li>\u963b\u585e\u6240\u6709\u4fe1\u53f7<\/li>\n<\/ul>\n<p>\u4f7f\u7528\u5982\u4e0b\u62c5\u4fdd\u6765\u5b9e\u73b0:<\/p>\n<ul type=\"disc\">\n<li>\u5f02\u6b65\u5b8c\u6210\u53e5\u67c4\u53ea\u4f1a\u7531\u8c03\u7528io_service::run()\u7684\u7ebf\u7a0b\u6765\u8c03\u7528.<\/li>\n<\/ul>\n<p>\u56e0\u6b64,\u7531\u5e93\u7684\u4f7f\u7528\u8005\u6765\u5efa\u7acb\u548c\u7ba1\u7406\u6295\u9012\u901a\u77e5\u7684\u7ebf\u7a0b.<\/p>\n<p>\u539f\u56e0:<\/p>\n<ul type=\"disc\">\n<li>\u5728\u5355\u7ebf\u7a0b\u4e2d\u8c03\u7528io_service::run(),\u7528\u6237\u4ee3\u7801\u907f\u514d\u4e86\u590d\u6742\u7684\u7ebf\u7a0b\u540c\u6b65\u63a7\u5236.\u4f8b\u5982,ASIO\u5e93\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u5355\u7ebf\u7a0b\u5b9e\u73b0\u4f38\u7f29\u6027\u826f\u597d\u7684\u670d\u52a1\u7aef(\u7279\u5b9a\u7528\u6237\u89c2\u70b9).<\/li>\n<li>\u7ebf\u7a0b\u542f\u52a8\u540e\u5728\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u6267\u884c\u524d,ASIO\u5e93\u7528\u6237\u9700\u8981\u5728\u7ebf\u7a0b\u4e2d\u6267\u884c\u4e00\u4e9b\u7b80\u77ed\u7684\u521d\u59cb\u5316\u64cd\u4f5c.\u4f8b\u5982\u5728\u7ebf\u7a0b\u4e2d\u8c03\u7528\u5fae\u8f6f\u7684COM\u64cd\u4f5c\u4e4b\u524d\u5fc5\u987b\u8c03\u7528CoInitializeEx.<\/li>\n<li>\u5c06ASIO\u5e93\u63a5\u53e3\u4e0e\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u7ba1\u7406\u8fdb\u884c\u4e86\u89e3\u8026,\u786e\u4fdd\u53ef\u5728\u4e0d\u652f\u6301\u7ebf\u7a0b\u7684\u5e73\u53f0\u4e2d\u8fdb\u884c\u8c03\u7528.<\/li>\n<\/ul>\n<h4><a target=\"_blank\" name=\"t15\"><\/a>Strands:\u65e0\u663e\u5f0f\u9501\u5b9a\u7684\u7ebf\u7a0b<\/h4>\n<p align=\"left\">Strand\u88ab\u5b9a\u4e49\u4e3a\u4e25\u683c\u6309\u987a\u5e8f\u8c03\u7528(\u5982\u65e0\u5e76\u53d1\u8c03\u7528)\u4e8b\u4ef6\u53e5\u67c4\u7684\u673a\u5236.\u4f7f\u7528Strand\u53ef\u4ee5\u5728\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\u540c\u6b65\u6267\u884c\u4ee3\u7801\u800c\u65e0\u9700\u663e\u5f0f\u5730\u52a0\u9501(\u5982\u4e92\u65a5\u91cf\u7b49).<\/p>\n<p align=\"left\">Strand\u53ef\u4ee5\u6309\u5982\u4e0b\u4e24\u79cd\u65b9\u5f0f\u6765\u9690\u5f0f\u6216\u663e\u5f0f\u7684\u5e94\u7528:<\/p>\n<p align=\"left\">\u00b7 \u4ec5\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u8c03\u7528io_service::run()\u610f\u5473\u7740\u6240\u6709\u7684\u4e8b\u4ef6\u53e5\u67c4\u90fd\u6267\u884c\u5728\u4e00\u4e2a\u9690\u5f0f\u7684Strand\u4e0b,\u56e0\u4e3aio_service\u4fdd\u8bc1\u6240\u6709\u7684\u53e5\u67c4\u90fd\u5728run()\u4e2d\u88ab\u8c03\u7528.<\/p>\n<p align=\"left\">\u00b7 \u94fe\u63a5\u4e2d\u53ea\u6709\u4e00\u4e2a\u76f8\u5173\u7684\u5f02\u6b65\u64cd\u4f5c\u94fe(\u5982\u534a\u53cc\u5de5\u7684HTTP)\u662f\u4e0d\u53ef\u80fd\u5e76\u53d1\u6267\u884c\u53e5\u67c4\u7684.\u4e5f\u662f\u9690\u5f0fStrand\u7684\u60c5\u51b5.<\/p>\n<p align=\"left\">\u00b7 \u663e\u5f0fStrand\u9700\u8981\u521b\u5efa\u4e00\u4e2aio_service::strand\u5b9e\u4f8b.\u6240\u6709\u7684\u4e8b\u4ef6\u53e5\u67c4\u51fd\u6570\u5bf9\u8c61\u90fd\u9700\u8981\u4f7f\u7528io_service::strand::wrap()\u8fdb\u884c\u5305\u88c5,\u6216\u4f7f\u7528io_service::strand\u8fdb\u884c\u6295\u9012\u6216\u5206\u53d1.<\/p>\n<p align=\"left\">\u5728\u7ec4\u5408\u5f02\u6b65\u64cd\u4f5c\u4e2d,\u5982async_read() \u6216 async_read_until(),\u5982\u679c\u5b8c\u6210\u53e5\u67c4\u4f7f\u7528\u4e00\u4e2aStrand\u7ba1\u7406,\u5219\u5176\u4ed6\u6240\u6709\u4e2d\u95f4\u53e5\u67c4\u90fd\u8981\u7531\u540c\u4e00\u4e2aStrand\u6765\u7ba1\u7406.\u8fd9\u53ef\u4ee5\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u7684\u8bbf\u95ee\u6240\u6709\u5728\u8c03\u7528\u8005\u548c\u7ec4\u5408\u7684\u64cd\u4f5c\u4e2d\u5171\u4eab\u7684\u5bf9\u8c61(\u4f8b\u5982socket\u4e2d\u7684async_read(),\u8c03\u7528\u8005\u53ef\u4ee5\u8c03\u7528close()\u6765\u53d6\u6d88\u64cd\u4f5c).\u8fd9\u662f\u901a\u8fc7\u5728\u6240\u6709\u4e2d\u95f4\u53e5\u67c4\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u94a9\u5b50\u51fd\u6570\u5b9e\u73b0\u7684,\u5728\u6267\u884c\u6700\u7ec8\u53e5\u67c4\u524d\u8c03\u7528\u81ea\u5b9a\u4e49\u7684\u94a9\u5b50\u51fd\u6570:<\/p>\n<p align=\"left\">struct my_handler<\/p>\n<p align=\"left\">{<\/p>\n<p align=\"left\">\u00a0 void operator()() { &#8230; }<\/p>\n<p align=\"left\">};<\/p>\n<p align=\"left\">\n<p align=\"left\">template&lt;class F&gt;<\/p>\n<p align=\"left\">void asio_handler_invoke(F f, my_handler*)<\/p>\n<p align=\"left\">{<\/p>\n<p align=\"left\">\u00a0 \/\/ Do custom invocation here.<\/p>\n<p align=\"left\">\u00a0 \/\/ Default implementation calls f();<\/p>\n<p align=\"left\">}<\/p>\n<p align=\"left\">io_service::strand::wrap()\u51fd\u6570\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5b9a\u4e49\u4e86asio_handler_invoke\u7684\u5b8c\u6210\u53e5\u67c4,\u4ee5\u4fbf\u4e8eStrand\u7ba1\u7406\u51fd\u6570\u5bf9\u8c61\u8fd0\u884c.<\/p>\n<h4><a target=\"_blank\" name=\"t16\"><\/a>\u7f13\u51b2\u533a<\/h4>\n<p>\u901a\u5e38IO\u5728\u8fde\u7eed\u7684\u5185\u5b58\u533a\u57df(\u7f13\u51b2\u533a)\u5185\u4f20\u8f93\u6570\u636e.\u8fd9\u4e2a\u7f13\u51b2\u533a\u53ef\u4ee5\u7b80\u5355\u7684\u8ba4\u4e3a\u662f\u5305\u542b\u4e86\u4e00\u4e2a\u6307\u9488\u5730\u5740\u548c\u4e00\u4e9b\u5b57\u8282\u7684\u4e1c\u897f.\u7136\u800c,\u4e3a\u4e86\u9ad8\u6548\u7684\u5f00\u53d1\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f, Boost.Asio\u652f\u6301\u5206\u6563\u805a\u5408\u64cd\u4f5c,\u9700\u8981\u4e00\u4e2a\u6216\u591a\u4e2a\u7f13\u51b2\u533a:<\/p>\n<ul type=\"disc\">\n<li>\u4e00\u4e2a\u5206\u6563\u8bfb(scatter-read)\u63a5\u6536\u6570\u636e\u5e76\u5b58\u5165\u591a\u7f13\u51b2\u533a.<\/li>\n<li>.\u4e00\u4e2a\u805a\u5408\u5199(gather-write)\u4f20\u8f93\u591a\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e.<\/li>\n<\/ul>\n<p>\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u62bd\u8c61\u6982\u5ff5\u4ee3\u8868\u7f13\u51b2\u533a\u96c6\u5408.\u4e3a\u6b64Boost.Asio\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b(\u5b9e\u9645\u4e0a\u662f\u4e24\u4e2a\u7c7b)\u6765\u4ee3\u8868\u5355\u4e2a\u7f13\u51b2\u533a.\u53ef\u5b58\u50a8\u5728\u5411\u5206\u6563\u96c6\u5408\u64cd\u4f5c\u4f20\u9012\u7684\u5bb9\u5668\u4e2d.<\/p>\n<p>\u6b64\u5916\u53ef\u5c06\u7f13\u51b2\u533a\u770b\u505a\u662f\u4e00\u4e2a\u5177\u6709\u5730\u5740\u548c\u5927\u5c0f\u7684\u5b57\u8282\u6570\u7ec4, Boost.Asio\u533a\u522b\u5bf9\u5f85\u53ef\u4fee\u6539\u5185\u5b58(\u53eb\u505amutable)\u548c\u4e0d\u53ef\u4fee\u6539\u5185\u5b58(\u540e\u8005\u5728\u5e26\u6709const\u58f0\u660e\u7684\u5b58\u50a8\u533a\u57df\u4e0a\u521b\u5efa).\u8fd9\u4e24\u79cd\u7c7b\u578b\u53ef\u4ee5\u5b9a\u4e49\u4e3a:<\/p>\n<pre>typedef std::pair&lt;void*, std::size_t&gt; mutable_buffer;<\/pre>\n<pre>typedef std::pair&lt;const void*, std::size_t&gt; const_buffer;<\/pre>\n<p>\u8fd9\u91ccmutable_buffer \u53ef\u4ee5\u8f6c\u6362\u4e3aconst_buffer ,\u4f46\u53cd\u4e4b\u4e0d\u6210\u7acb.<\/p>\n<p>\u7136\u800c,Boost.Asio\u6ca1\u6709\u4f7f\u7528\u4e0a\u8ff0\u7684\u5b9a\u4e49,\u800c\u662f\u5b9a\u4e49\u4e86\u4e24\u4e2a\u7c7b: mutable_buffer \u548c const_buffer.\u76ee\u7684\u662f\u63d0\u4f9b\u4e86\u4e0d\u900f\u660e\u7684\u8fde\u7eed\u5185\u5b58\u6982\u5ff5:<\/p>\n<ul type=\"disc\">\n<li>\u7c7b\u578b\u8f6c\u6362\u4e0a\u540cstd::pair.\u5373mutable_buffer\u53ef\u4ee5\u8f6c\u6362\u4e3aconst_buffer ,\u4f46\u53cd\u4e4b\u4e0d\u6210\u7acb.<\/li>\n<li>\u53ef\u9632\u6b62\u7f13\u51b2\u533a\u6ea2\u51fa.\u5bf9\u4e8e\u4e00\u4e2a\u7f13\u51b2\u533a\u5b9e\u4f8b,\u7528\u6237\u53ea\u80fd\u521b\u5efa\u53e6\u5916\u4e00\u4e2a\u7f13\u51b2\u533a\u6765\u4ee3\u8868\u540c\u6837\u7684\u5185\u5b58\u5e8f\u5217\u6216\u5b50\u5e8f\u5217.\u4e3a\u4e86\u66f4\u52a0\u5b89\u5168,ASIOI\u5e93\u4e5f\u63d0\u4f9b\u4e86\u4ece\u6570\u7ec4(\u5982boost::array \u6216 std::vector,\u6216std::string)\u4e2d\u81ea\u52a8\u8ba1\u7b97\u7f13\u51b2\u533a\u5927\u5c0f\u7684\u673a\u5236.<\/li>\n<li>\u5fc5\u987b\u660e\u786e\u7684\u8c03\u7528buffer_cast\u51fd\u6570\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362.\u5e94\u7528\u7a0b\u5e8f\u4e2d\u901a\u5e38\u4e0d\u5fc5\u5982\u6b64,\u4f46\u5728ASIO\u5e93\u7684\u5b9e\u73b0\u4e2d\u5c06\u539f\u59cb\u5185\u5b58\u6570\u636e\u4f20\u9012\u7ed9\u5e95\u5c42\u7684\u64cd\u4f5c\u7cfb\u7edf\u51fd\u6570\u65f6\u5fc5\u987b\u5982\u6b64.<\/li>\n<\/ul>\n<p>\u6700\u540e\u5c06\u591a\u4e2a\u7f13\u51b2\u533a\u5b58\u5165\u4e00\u4e2a\u5bb9\u5668\u4e2d\u5c31\u53ef\u4ee5\u4f20\u9012\u7ed9\u5206\u6563\u805a\u5408\u64cd\u4f5c\u4e86.(\u5982<a title=\"read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read.html\" target=\"_blank\" rel=\"noopener\">read()<\/a>\u6216<a title=\"write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/write.html\" target=\"_blank\" rel=\"noopener\">write()<\/a>).\u4e3a\u4e86\u4f7f\u7528std::vector, std::list, std::vector \u6216 boost::array\u7b49\u5bb9\u5668\u800c\u5b9a\u4e49\u4e86MutableBufferSequence\u548cConstBufferSequence\u6982\u5ff5.<\/p>\n<h4><a target=\"_blank\" name=\"t17\"><\/a>Streambuf\u4e0eIoStream\u6574\u5408<\/h4>\n<p>\u7c7bboost::asio::basic_streambuf\u4ecestd::basic_streambuf\u7ee7\u627f,\u5c06\u8f93\u5165\u8f93\u51fa\u6d41\u4e0e\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u6570\u7ec4\u7c7b\u578b\u7684\u5bf9\u8c61\u76f8\u5173\u8054,\u5176\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u503c.\u8fd9\u4e9b\u5b57\u7b26\u6570\u7ec4\u5bf9\u8c61\u662f\u5185\u90e8\u7684streambuf\u5bf9\u8c61,\u4f46\u901a\u8fc7\u76f4\u63a5\u5b58\u53d6\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4f7f\u5176\u53ef\u7528\u4e8eIO\u64cd\u4f5c,\u5982\u5728socket\u4e2d\u53d1\u9001\u6216\u63a5\u6536:<\/p>\n<ul type=\"disc\">\n<li>streambuf \u7684\u8f93\u5165\u5e8f\u5217\u53ef\u4ee5\u901a\u8fc7<a title=\"basic_streambuf::data\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_streambuf\/data.html\" target=\"_blank\" rel=\"noopener\">data()<\/a>\u6210\u5458\u51fd\u6570\u83b7\u53d6.\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6ee1\u8db3ConstBufferSequence\u7684\u8981\u6c42.<\/li>\n<li>streambuf \u7684\u8f93\u51fa\u5e8f\u5217\u53ef\u4ee5\u901a\u8fc7<a title=\"basic_streambuf::data\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_streambuf\/data.html\" target=\"_blank\" rel=\"noopener\">prepare()<\/a>\u6210\u5458\u51fd\u6570\u83b7\u53d6.\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6ee1\u8db3MutableBufferSequence\u7684\u8981\u6c42.<\/li>\n<li>\u8c03\u7528<a title=\"basic_streambuf::commit\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_streambuf\/commit.html\" target=\"_blank\" rel=\"noopener\">commit()<\/a>\u6210\u5458\u51fd\u6570\u5c06\u6570\u636e\u4ece\u524d\u7aef\u7684\u8f93\u51fa\u5e8f\u5217\u4f20\u9012\u5230\u540e\u7aef\u7684\u8f93\u5165\u5e8f\u5217.<\/li>\n<li>\u8c03\u7528<a title=\"basic_streambuf::consume\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_streambuf\/consume.html\" target=\"_blank\" rel=\"noopener\">consume()<\/a>\u6210\u5458\u51fd\u6570\u4ece\u8f93\u5165\u5e8f\u5217\u4e2d\u79fb\u9664\u6570\u636e.<\/li>\n<\/ul>\n<p>streambuf \u6784\u9020\u51fd\u6570\u63a5\u6536\u4e00\u4e2asize_t\u7684\u53c2\u6570\u6307\u5b9a\u8f93\u5165\u5e8f\u5217\u548c\u8f93\u51fa\u5e8f\u5217\u5927\u5c0f\u7684\u603b\u548c.\u5bf9\u4e8e\u4efb\u4f55\u64cd\u4f5c,\u5982\u679c\u6210\u529f,\u589e\u52a0\u5185\u90e8\u6570\u636e\u91cf,\u8d85\u8fc7\u8fd9\u4e2a\u5927\u5c0f\u9650\u5236\u4f1a\u629b\u51fastd::length_error\u5f02\u5e38.<\/p>\n<h4><a target=\"_blank\" name=\"t18\"><\/a>\u904d\u5386\u7f13\u51b2\u533a\u5e8f\u5217\u7684\u5b57\u8282<\/h4>\n<p>buffers_iterator&lt;&gt;\u7c7b\u6a21\u677f\u53ef\u7528\u4e8e\u50cf\u904d\u5386\u8fde\u7eed\u5b57\u8282\u5e8f\u5217\u4e00\u6837\u904d\u5386\u7f13\u51b2\u533a\u5e8f\u5217(\u5982MutableBufferSequence \u6216 ConstBufferSequence).\u5e76\u63d0\u4f9b\u4e86buffers_begin() \u548c buffers_end()\u5e2e\u52a9\u51fd\u6570, \u4f1a\u81ea\u52a8\u63a8\u65adbuffers_iterator&lt;&gt;\u7684\u6a21\u677f\u53c2\u6570.<\/p>\n<p>\u4f8b\u5982,\u4ecesocket\u4e2d\u8bfb\u53d6\u4e00\u884c\u6570\u636e,\u5b58\u5165std::string\u4e2d:<\/p>\n<pre>boost::asio::streambuf sb;<\/pre>\n<pre>...<\/pre>\n<pre>std::size_t n = boost::asio::read_until(sock, sb, '\\n');<\/pre>\n<pre>boost::asio::streambuf::const_buffers_type bufs = sb.data();<\/pre>\n<pre>std::string line(<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::buffers_begin(bufs),<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::buffers_begin(bufs) + n);<\/pre>\n<h4><a target=\"_blank\" name=\"t19\"><\/a>\u7f13\u51b2\u533a\u8c03\u8bd5<\/h4>\n<p>\u6709\u4e9b\u6807\u51c6\u5e93\u5b9e\u73b0,\u5982VC++8.0\u6216\u5176\u540e\u7248\u672c,\u63d0\u4f9b\u4e86\u53eb\u505a\u8fed\u4ee3\u5668\u8c03\u8bd5\u7684\u7279\u6027.\u8fd9\u610f\u5473\u7740\u8fd0\u884c\u671f\u4f1a\u9a8c\u8bc1\u8fed\u4ee3\u5668\u662f\u5426\u5408\u6cd5.\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u8bd5\u56fe\u4f7f\u7528\u975e\u6cd5\u7684\u8fed\u4ee3\u5668,\u4f1a\u629b\u51fa\u5f02\u5e38.\u4f8b\u5982:<\/p>\n<pre>std::vector&lt;int&gt; v(1)<\/pre>\n<pre>std::vector&lt;int&gt;::iterator i = v.begin();<\/pre>\n<pre>v.clear(); \/\/ invalidates iterators<\/pre>\n<pre>*i = 0; \/\/ assertion!<\/pre>\n<p><strong>Boost.Asio<\/strong>\u00a0\u5229\u7528\u8fd9\u4e2a\u7279\u6027\u5b9e\u73b0\u7f13\u51b2\u533a\u8c03\u8bd5.\u5bf9\u4e8e\u4e0b\u9762\u7684\u4ee3\u7801:<\/p>\n<pre>void dont_do_this()<\/pre>\n<pre>{<\/pre>\n<pre> std::string msg = \"Hello, world!\";<\/pre>\n<pre> boost::asio::async_write(sock, boost::asio::buffer(msg), my_handler);<\/pre>\n<pre>}<\/pre>\n<p>\u5f53\u8c03\u7528\u5f02\u6b65\u8bfb\u6216\u5199\u65f6\u9700\u8981\u786e\u4fdd\u6b64\u64cd\u4f5c\u7684\u7f13\u51b2\u533a\u5728\u8c03\u7528\u5b8c\u6210\u53e5\u67c4\u65f6\u53ef\u7528.\u4e0a\u4f8b\u4e2d,\u7f13\u51b2\u533a\u662fstd::string\u53d8\u91cfmsg.\u53d8\u91cf\u5728\u6808\u4e2d,\u5f02\u6b65\u5b8c\u6210\u524d\u5df2\u7ecf\u8fc7\u671f\u4e86.\u5982\u679c\u5e78\u8fd0\u7684\u8bdd\u7a0b\u5e8f\u5d29\u6e83,\u4f46\u66f4\u53ef\u80fd\u4f1a\u51fa\u73b0\u968f\u673a\u9519\u8bef.<\/p>\n<p>\u5f53\u7f13\u51b2\u533a\u8c03\u8bd5\u542f\u52a8\u540e,Boost.Asio\u4f1a\u5b58\u50a8\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u8fed\u4ee3\u5668,\u4e00\u76f4\u4fdd\u5b58\u5230\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210,\u7136\u540e\u89e3\u5f15\u7528\u6765\u68c0\u67e5\u6709\u6548\u6027.\u4e0a\u4f8b\u4e2d\u5728Boost.Asio\u8c03\u7528\u5b8c\u6210\u53e5\u67c4\u524d\u5c31\u4f1a\u770b\u5230\u4e00\u4e2a\u65ad\u8a00\u9519\u8bef.<\/p>\n<p>\u5f53\u5b9a\u4e49_GLIBCXX_DEBUG \u9009\u9879\u65f6,\u4f1a\u81ea\u52a8\u5728VS8.0\u53ca\u5176\u4ee5\u540e\u7248\u672c\u548cGCC\u4e2d\u542f\u52a8\u8fd9\u4e2a\u7279\u6027.\u68c0\u67e5\u9700\u8981\u6027\u80fd\u4ee3\u4ef7,\u56e0\u6b64\u7f13\u51b2\u533a\u8c03\u8bd5\u53ea\u5728debug\u751f\u6210\u65f6\u542f\u7528.\u5176\u4ed6\u7f16\u8bd1\u5668\u53ef\u901a\u8fc7\u5b9a\u4e49BOOST_ASIO_ENABLE_BUFFER_DEBUGGING\u9009\u9879\u6765\u542f\u52a8.\u4e5f\u53ef\u663e\u5f0f\u7684\u901a\u8fc7BOOST_ASIO_DISABLE_BUFFER_DEBUGGING\u9009\u9879\u505c\u6b62.<\/p>\n<h4><a target=\"_blank\" name=\"t20\"><\/a>\u6d41,\u77ed\u8bfb\u77ed\u5199<\/h4>\n<p>\u5f88\u591aBoost.Asio\u4e2d\u7684IO\u5bf9\u8c61\u90fd\u662f\u57fa\u4e8e\u6d41\u7684.\u610f\u5473\u7740:<\/p>\n<ul type=\"disc\">\n<li>\u65e0\u6d88\u606f\u8fb9\u754c.\u88ab\u4f20\u8f93\u7684\u6570\u636e\u5c31\u662f\u4e00\u4e2a\u8fde\u7eed\u7684\u5b57\u8282\u5e8f\u5217.<\/li>\n<li>\u8bfb\u5199\u64cd\u4f5c\u53ef\u80fd\u4f1a\u4f20\u9012\u5c11\u91cf\u4e0d\u9700\u8981\u7684\u5b57\u8282.\u8fd9\u88ab\u79f0\u4e3a\u77ed\u8bfb\u6216\u77ed\u5199.<\/li>\n<\/ul>\n<p>\u63d0\u4f9b\u57fa\u4e8e\u6d41IO\u64cd\u4f5c\u6a21\u578b\u7684\u5bf9\u8c61\u9700\u8981\u6a21\u62df\u5982\u4e0b\u51e0\u4e2a\u64cd\u4f5c:<\/p>\n<ul type=\"disc\">\n<li>SyncReadStream, \u8c03\u7528\u6210\u5458\u51fd\u6570read_some()\u6267\u884c\u540c\u6b65\u8bfb\u64cd\u4f5c.<\/li>\n<li>AsyncReadStream, \u8c03\u7528\u6210\u5458\u51fd\u6570async_read_some()\u6267\u884c\u5f02\u6b65\u8bfb\u64cd\u4f5c.<\/li>\n<li>SyncWriteStream, \u8c03\u7528\u6210\u5458\u51fd\u6570write_some()\u6267\u884c\u540c\u6b65\u5199\u64cd\u4f5c.<\/li>\n<li>AsyncWriteStream, \u8c03\u7528\u6210\u5458\u51fd\u6570async_write_some()\u6267\u884c\u5f02\u6b65\u5199\u64cd\u4f5c.<\/li>\n<\/ul>\n<p>\u57fa\u4e8e\u6d41\u7684IO\u5bf9\u8c61\u5305\u62ecip::tcp::socket, ssl::stream&lt;&gt;, posix::stream_descriptor, windows::stream_handle\u7b49\u7b49.<\/p>\n<p>\u901a\u5e38\u7a0b\u5e8f\u9700\u8981\u4f20\u9012\u6307\u5b9a\u6570\u91cf\u7684\u5b57\u8282\u6570\u636e.\u542f\u52a8\u64cd\u4f5c\u540e\u5c31\u4f1a\u53d1\u751f\u77ed\u8bfb\u6216\u77ed\u5199,\u76f4\u5230\u6240\u6709\u6570\u636e\u4f20\u8f93\u5b8c\u6bd5.Boost.Asio\u63d0\u4f9b\u4e86\u901a\u7528\u51fd\u6570\u6765\u81ea\u52a8\u5b8c\u6210\u8fd9\u4e9b\u64cd\u4f5c: read(), async_read(), write() \u548c async_write().<\/p>\n<h4><a target=\"_blank\" name=\"t21\"><\/a>\u4e3a\u4ec0\u4e48EOF\u662f\u4e00\u4e2a\u9519\u8bef<\/h4>\n<ul type=\"disc\">\n<li>\u6d41\u7ec8\u6b62\u4f1a\u5bfc\u81f4read, async_read, read_until or async_read_until \u51fd\u6570\u8fdd\u53cd\u7ea6\u5b9a.\u5982\u8981\u8bfb\u53d6N\u4e2a\u5b57\u8282,\u4f46\u7531\u4e8e\u9047\u5230EOF\u800c\u63d0\u524d\u7ed3\u675f.<\/li>\n<li>EOF\u9519\u8bef\u53ef\u4ee5\u533a\u5206\u6d41\u7ec8\u6b62\u548c\u6210\u529f\u8bfb\u53d60\u4e2a\u5b57\u8282.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4><a target=\"_blank\" name=\"t22\"><\/a>Reactor\u98ce\u683c\u64cd\u4f5c<\/h4>\n<p>\u6709\u65f6\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u6574\u5408\u7b2c\u4e09\u65b9\u7684\u5e93\u6765\u5b9e\u73b0IO\u64cd\u4f5c.\u4e3a\u6b64,Boost.Asio\u63d0\u4f9b\u4e00\u4e2a\u53ef\u7528\u4e8e\u8bfb\u548c\u5199\u64cd\u4f5c\u7684null_buffers\u7c7b\u578b.null_buffers\u76f4\u5230IO\u5bf9\u8c61\u51c6\u5907\u597d\u6267\u884c\u64cd\u4f5c\u540e\u624d\u4f1a\u8fd4\u56de.<\/p>\n<p>\u4f8b\u5982,\u5982\u4e0b\u4ee3\u7801\u6267\u884c\u65e0\u963b\u585e\u8bfb\u64cd\u4f5c:<\/p>\n<pre>ip::tcp::socket socket(my_io_service);<\/pre>\n<pre>...<\/pre>\n<pre>socket.non_blocking(true);<\/pre>\n<pre>...<\/pre>\n<pre>socket.async_read_some(null_buffers(), read_handler);<\/pre>\n<pre>...<\/pre>\n<pre>void read_handler(boost::system::error_code ec)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 if (!ec)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::vector&lt;char&gt; buf(socket.available());<\/pre>\n<pre>\u00a0\u00a0\u00a0 socket.read_some(buffer(buf));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>}<\/pre>\n<p>Socket\u5728\u6240\u6709\u5e73\u53f0\u4e0a\u90fd\u652f\u6301\u8fd9\u79cd\u64cd\u4f5c,\u662fPOSIX\u57fa\u4e8e\u6d41\u7684\u63cf\u8ff0\u7b26\u5408\u7c7b.<\/p>\n<h4><a target=\"_blank\" name=\"t23\"><\/a>\u57fa\u4e8e\u884c\u7684\u4f20\u8f93\u64cd\u4f5c<\/h4>\n<p>\u5f88\u591a\u5e38\u7528\u7684\u7f51\u7edc\u534f\u8bae\u90fd\u662f\u57fa\u4e8e\u884c\u7684,\u5373\u8fd9\u4e9b\u534f\u8bae\u5143\u7d20\u88ab\u5b57\u7b26\u5e8f\u5217&#8221;\\r\\n&#8221;\u9650\u5b9a.\u4f8b\u5982HTTP,SMTP\u548cFTP.\u4e3a\u4e86\u4fbf\u4e8e\u5b9e\u73b0\u57fa\u4e8e\u884c\u7684\u534f\u8bae,\u4ee5\u53ca\u5176\u4ed6\u4f7f\u7528\u5206\u9694\u7b26\u7684\u534f\u8bae,Boost.Asio\u5305\u62ec\u4e86read_until() \u548c async_read_until()\u51fd\u6570.<\/p>\n<p>\u5982\u4e0b\u4ee3\u7801\u5c55\u793a\u5728HTTP\u670d\u52a1\u7aef\u4f7f\u7528async_read_until()\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u7b2c\u4e00\u884cHTTP\u8bf7\u6c42:<\/p>\n<pre>class http_connection<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void start()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::async_read_until(socket_, data_, \"\\r\\n\",<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;http_connection::handle_request_line, this, _1));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void handle_request_line(boost::system::error_code ec)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (!ec)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::string method, uri, version;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 char sp1, sp2, cr, lf;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::istream is(&amp;data_);<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 is.unsetf(std::ios_base::skipws);<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 is &gt;&gt; method &gt;&gt; sp1 &gt;&gt; uri &gt;&gt; sp2 &gt;&gt; version &gt;&gt; cr &gt;&gt; lf;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 ...<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre><\/pre>\n<pre>\u00a0 boost::asio::ip::tcp::socket socket_;<\/pre>\n<pre>\u00a0 boost::asio::streambuf data_;<\/pre>\n<pre>};<\/pre>\n<p>Streambuf\u6570\u636e\u6210\u5458\u7528\u4e8e\u5b58\u50a8\u5728\u67e5\u627e\u5230\u5206\u9694\u7b26\u524d\u63a5\u6536\u7684\u6570\u636e.\u8bb0\u5f55\u5206\u9694\u7b26\u4ee5\u540e\u7684\u6570\u636e\u4e5f\u662f\u5f88\u91cd\u8981\u7684.\u8fd9\u4e9b\u4fdd\u7559\u5728streambuf\u4e2d\u7684\u5197\u4f59\u6570\u636e\u4f1a\u88ab\u4fdd\u7559\u4e0b\u6765\u7528\u4e8e\u968f\u540e\u8c03\u7528\u7684read_until()\u6216async_read_until()\u51fd\u6570\u8fdb\u884c\u68c0\u67e5.<\/p>\n<p>\u5206\u9694\u7b26\u53ef\u4ee5\u662f\u5355\u4e2a\u5b57\u7b26,\u4e00\u4e2astd::string\u6216\u4e00\u4e2aboost::regex. read_until() \u548c async_read_until()\u51fd\u6570\u4e5f\u53ef\u63a5\u6536\u4e00\u4e2a\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570,\u83b7\u53d6\u5339\u914d\u6761\u4ef6.\u4f8b\u5982,\u5728streambuf\u4e2d\u8bfb\u53d6\u6570\u636e,\u9047\u5230\u4e00\u4e2a\u7a7a\u767d\u5b57\u7b26\u540e\u505c\u6b62.:<\/p>\n<pre>typedef boost::asio::buffers_iterator&lt;<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::streambuf::const_buffers_type&gt; iterator;<\/pre>\n<pre><\/pre>\n<pre>std::pair&lt;iterator, bool&gt;<\/pre>\n<pre>match_whitespace(iterator begin, iterator end)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 iterator i = begin;<\/pre>\n<pre>\u00a0 while (i != end)<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (std::isspace(*i++))<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 return std::make_pair(i, true);<\/pre>\n<pre>\u00a0 return std::make_pair(i, false);<\/pre>\n<pre>}<\/pre>\n<pre>...<\/pre>\n<pre>boost::asio::streambuf b;<\/pre>\n<pre>boost::asio::read_until(s, b, match_whitespace);<\/pre>\n<p>\u4ecestreambuf\u4e2d\u8bfb\u53d6\u6570\u636e,\u76f4\u5230\u9047\u5230\u5339\u914d\u7684\u5b57\u7b26:<\/p>\n<pre>class match_char<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<pre>\u00a0 explicit match_char(char c) : c_(c) {}<\/pre>\n<pre><\/pre>\n<pre>\u00a0 template &lt;typename Iterator&gt;<\/pre>\n<pre>\u00a0 std::pair&lt;Iterator, bool&gt; operator()(<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 Iterator begin, Iterator end) const<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 Iterator i = begin;<\/pre>\n<pre>\u00a0\u00a0\u00a0 while (i != end)<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 if (c_ == *i++)<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return std::make_pair(i, true);<\/pre>\n<pre>\u00a0\u00a0\u00a0 return std::make_pair(i, false);<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 char c_;<\/pre>\n<pre>};<\/pre>\n<pre><\/pre>\n<pre>namespace boost { namespace asio {<\/pre>\n<pre>\u00a0 template &lt;&gt; struct is_match_condition&lt;match_char&gt;<\/pre>\n<pre>\u00a0\u00a0\u00a0 : public boost::true_type {};<\/pre>\n<pre>} } \/\/ namespace boost::asio<\/pre>\n<pre>...<\/pre>\n<pre>boost::asio::streambuf b;<\/pre>\n<pre>boost::asio::read_until(s, b, match_char('a'));<\/pre>\n<p>is_match_condition&lt;&gt;\u7c7b\u578b\u4f1a\u81ea\u52a8\u7684\u5bf9\u51fd\u6570,\u53ca\u5e26\u6709\u5d4c\u5957result_type\u7c7b\u578b\u5b9a\u4e49\u7684\u51fd\u6570\u5bf9\u8c61\u7684\u8fd4\u56de\u503c\u503c\u8fdb\u884c\u8bc4\u4f30\u662f\u5426\u4e3atrue.\u5982\u4e0a\u4f8b\u6240\u793a,\u5176\u4ed6\u7c7b\u578b\u7684\u7279\u6027\u5fc5\u987b\u663e\u5f0f\u6307\u5b9a.<\/p>\n<h4><a target=\"_blank\" name=\"t24\"><\/a>\u81ea\u5b9a\u4e49\u5185\u5b58\u5206\u914d<\/h4>\n<p>\u5f88\u591a\u5f02\u6b65\u64cd\u4f5c\u9700\u8981\u5206\u914d\u5bf9\u8c61,\u7528\u6765\u5b58\u50a8\u4e0e\u64cd\u4f5c\u6709\u5173\u7684\u72b6\u6001\u6570\u636e.\u4f8b\u5982,Win32\u7684\u5b9e\u73b0\u4e2d\u9700\u8981\u5c06\u91cd\u53e0\u5b50\u5bf9\u8c61\u4f20\u9012\u7ed9Win32 API\u51fd\u6570.<\/p>\n<p>\u5e78\u597d\u7a0b\u5e8f\u5305\u542b\u4e00\u4e2a\u6613\u4e8e\u8bc6\u522b\u7684\u5f02\u6b65\u64cd\u4f5c\u94fe.\u534a\u53cc\u5de5\u534f\u8bae(\u5982HTTP\u670d\u52a1)\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u4e00\u4e2a\u5355\u64cd\u4f5c\u94fe.\u5168\u53cc\u5de5\u534f\u8bae\u5b9e\u73b0\u6709\u4e24\u4e2a\u5e76\u884c\u7684\u6267\u884c\u94fe.\u7a0b\u5e8f\u8fd0\u7528\u8fd9\u4e2a\u89c4\u5219\u53ef\u4ee5\u5728\u94fe\u4e0a\u7684\u6240\u6709\u5f02\u6b65\u64cd\u4f5c\u4e2d\u91cd\u7528\u5185\u5b58.<\/p>\n<p>\u5047\u8bbe\u590d\u5236\u4e00\u4e2a\u7528\u6237\u5b9a\u4e49\u7684\u53e5\u67c4\u5bf9\u8c61h,\u5982\u679c\u53e5\u67c4\u7684\u5b9e\u73b0\u9700\u8981\u5206\u914d\u5185\u5b58,\u5e94\u8be5\u6709\u5982\u4e0b\u4ee3\u7801:<\/p>\n<pre>void* pointer = asio_handler_allocate(size, &amp;h);<\/pre>\n<p>\u540c\u6837\u8981\u91ca\u653e\u5185\u5b58:<\/p>\n<pre>asio_handler_deallocate(pointer, size, &amp;h);<\/pre>\n<p>\u8fd9\u4e2a\u51fd\u6570\u5b9e\u73b0\u4e86\u53c2\u6570\u4f9d\u8d56\u7684\u5b9a\u4f4d\u67e5\u627e.asio\u7a7a\u95f4\u4e2d\u6709\u8fd9\u4e2a\u51fd\u6570\u7684\u9ed8\u8ba4\u5b9e\u73b0:<\/p>\n<pre>void* asio_handler_allocate(size_t, ...);<\/pre>\n<pre>void asio_handler_deallocate(void*, size_t, ...);<\/pre>\n<p>\u5b9e\u73b0\u4e86::operator<code>\u00a0<\/code>new() \u548c ::operator<code>\u00a0<\/code>delete()\u529f\u80fd.<\/p>\n<p>\u51fd\u6570\u5b9e\u73b0\u4fdd\u8bc1\u4e86\u76f8\u5173\u53e5\u67c4\u8c03\u7528\u524d\u4f1a\u53d1\u751f\u5185\u5b58\u91cd\u65b0\u5206\u914d,\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u540c\u4e00\u4e2a\u53e5\u67c4\u4e0a\u7684\u5f02\u6b65\u64cd\u4f5c\u91cd\u7528\u5185\u5b58.<\/p>\n<p>\u5728\u4efb\u610f\u8c03\u7528\u5e93\u51fd\u6570\u7684\u7528\u6237\u7ebf\u7a0b\u4e2d\u90fd\u53ef\u8c03\u7528\u81ea\u5b9a\u4e49\u5185\u5b58\u5206\u914d\u51fd\u6570.\u5b9e\u73b0\u4fdd\u8bc1\u5e93\u4e2d\u7684\u8fd9\u4e9b\u5f02\u6b65\u64cd\u4f5c\u4e0d\u4f1a\u5e76\u53d1\u7684\u5bf9\u53e5\u67c4\u8fdb\u884c\u5185\u5b58\u5206\u914d\u51fd\u6570\u8c03\u7528.\u5b9e\u73b0\u8981\u52a0\u5165\u9002\u5f53\u7684\u5185\u5b58\u95f4\u9694,\u4fdd\u8bc1\u4e0d\u540c\u7ebf\u7a0b\u4e2d\u8c03\u7528\u7684\u5185\u5b58\u5206\u914d\u51fd\u6570\u6709\u6b63\u786e\u7684\u5185\u5b58\u53ef\u89c1\u6027.<\/p>\n<h4><a target=\"_blank\" name=\"t25\"><\/a>\u53e5\u67c4\u8ddf\u8e2a<\/h4>\n<p>\u4e3a\u8c03\u8bd5\u5f02\u6b65\u7a0b\u5e8f,Boost.Asio\u63d0\u4f9b\u4e86\u53e5\u67c4\u8ddf\u8e2a\u652f\u6301.\u5f53\u6fc0\u6d3bBOOST_ASIO_ENABLE_HANDLER_TRACKING\u5b9a\u4e49,Boost.Asio\u5411\u6807\u51c6\u9519\u8bef\u6d41\u4e2d\u5199\u5165\u8c03\u8bd5\u8f93\u51fa\u4fe1\u606f.\u8f93\u51fa\u4fe1\u606f\u8bb0\u5f55\u5f02\u6b65\u64cd\u4f5c\u53ca\u5176\u53e5\u67c4\u95f4\u7684\u5173\u7cfb.<\/p>\n<p>\u8fd9\u4e2a\u7279\u6027\u5bf9\u8c03\u8bd5\u5f88\u6709\u5e2e\u52a9,\u9700\u8981\u77e5\u9053\u5f02\u6b65\u64cd\u4f5c\u662f\u5982\u4f55\u88ab\u94fe\u63a5\u5728\u4e00\u8d77\u7684,\u6216\u4ec0\u4e48\u5f02\u6b65\u64cd\u4f5c\u88ab\u6302\u8d77\u4e86.\u5982\u4e0b\u662fHTTP\u670d\u52a1\u8f93\u51fa\u7684\u8c03\u8bd5\u4fe1\u606f,\u5904\u7406\u5355\u4e2a\u8bf7\u6c42,\u800c\u540e\u6309Ctrl+C\u9000\u51fa:<\/p>\n<pre>@asio|1298160085.070638|0*1|signal_set@0x7fff50528f40.async_wait<\/pre>\n<pre>@asio|1298160085.070888|0*2|socket@0x7fff50528f60.async_accept<\/pre>\n<pre>@asio|1298160085.070913|0|resolver@0x7fff50528e28.cancel<\/pre>\n<pre>@asio|1298160118.075438|&gt;2|ec=asio.system:0<\/pre>\n<pre>@asio|1298160118.075472|2*3|socket@0xb39048.async_receive<\/pre>\n<pre>@asio|1298160118.075507|2*4|socket@0x7fff50528f60.async_accept<\/pre>\n<pre>@asio|1298160118.075527|&lt;2|<\/pre>\n<pre>@asio|1298160118.075540|&gt;3|ec=asio.system:0,bytes_transferred=122<\/pre>\n<pre>@asio|1298160118.075731|3*5|socket@0xb39048.async_send<\/pre>\n<pre>@asio|1298160118.075778|&lt;3|<\/pre>\n<pre>@asio|1298160118.075793|&gt;5|ec=asio.system:0,bytes_transferred=156<\/pre>\n<pre>@asio|1298160118.075831|5|socket@0xb39048.close<\/pre>\n<pre>@asio|1298160118.075855|&lt;5|<\/pre>\n<pre>@asio|1298160122.827317|&gt;1|ec=asio.system:0,signal_number=2<\/pre>\n<pre>@asio|1298160122.827333|1|socket@0x7fff50528f60.close<\/pre>\n<pre>@asio|1298160122.827359|&lt;1|<\/pre>\n<pre>@asio|1298160122.827370|&gt;4|ec=asio.system:125<\/pre>\n<pre>@asio|1298160122.827378|&lt;4|<\/pre>\n<pre>@asio|1298160122.827394|0|signal_set@0x7fff50528f40.cancel<\/pre>\n<p>\u6bcf\u884c\u7684\u683c\u5f0f\u4e3a:<\/p>\n<pre>&lt;tag&gt;|&lt;timestamp&gt;|&lt;action&gt;|&lt;description&gt;<\/pre>\n<p>&lt;tag&gt;\u4e00\u76f4\u662f@asio,\u7528\u4e8e\u5728\u7a0b\u5e8f\u8f93\u51fa\u4e2d\u8bc6\u522b\u548c\u63d0\u53d6\u53e5\u67c4\u8ddf\u8e2a\u6d88\u606f.<\/p>\n<p><code>&lt;timestamp&gt;<\/code>\u662f\u4eceUTC\u65f6\u95f41970\u5e74\u4e00\u6708\u4e00\u65e5\u8d77\u81f3\u4eca\u7684\u79d2\u6570.<\/p>\n<p><code>&lt;action&gt;<\/code>\u6709\u5982\u4e0b\u51e0\u79cd\u5f62\u5f0f:<\/p>\n<p><strong>&gt;n<\/strong><\/p>\n<p>\u7a0b\u5e8f\u8fdb\u5165\u4e86\u7b2cn\u4e2a\u53e5\u67c4.&lt;description&gt;\u63cf\u8ff0\u53e5\u67c4\u53c2\u6570.<\/p>\n<p><strong>&lt;n<\/strong><\/p>\n<p>\u7a0b\u5e8f\u9000\u51fa\u7b2cn\u4e2a\u53e5\u67c4.<\/p>\n<p><strong>!n<\/strong><\/p>\n<p>\u7a0b\u5e8f\u7531\u4e8e\u5f02\u5e38\u9000\u51fa\u7b2cn\u4e2a\u53e5\u67c4.<\/p>\n<p><strong>~n<\/strong><\/p>\n<p>\u7b2cn\u4e2a\u53e5\u67c4\u6ca1\u6709\u6267\u884c\u5c31\u88ab\u9500\u6bc1\u4e86.\u901a\u5e38\u662f\u7531\u4e8eio_service\u9500\u6bc1\u65f6\u5f02\u6b65\u64cd\u4f5c\u8fd8\u6ca1\u6709\u5b8c\u6210.<\/p>\n<p><strong>n*m<\/strong><\/p>\n<p>\u7b2cn\u4e2a\u53e5\u67c4\u521b\u5efa\u4e86\u4e00\u4e2a\u751f\u6210\u7b2cm\u4e2a\u5b8c\u6210\u53e5\u67c4\u7684\u65b0\u5f02\u6b65\u64cd\u4f5c.&lt;description&gt;\u63cf\u8ff0\u4ec0\u4e48\u5f02\u6b65\u64cd\u4f5c\u88ab\u542f\u52a8.<\/p>\n<p><strong>n<\/strong><\/p>\n<p>\u7b2cn\u4e2a\u53e5\u67c4\u6267\u884c\u5176\u4ed6\u64cd\u4f5c.&lt;description&gt;\u663e\u793a\u8c03\u7528\u4e86\u54ea\u4e9b\u51fd\u6570.\u901a\u5e38\u53ea\u8bb0\u5f55close()\u548ccancel()\u64cd\u4f5c,\u56e0\u4e3a\u5176\u5f71\u54cd\u4e86\u5f02\u6b65\u64cd\u4f5c\u6302\u8d77\u72b6\u6001.<\/p>\n<p>\u5f53&lt;description&gt;\u663e\u793a\u540c\u6b65\u6216\u5f02\u6b65\u64cd\u4f5c,\u683c\u5f0f\u4e3a<code>&lt;object-type&gt;@&lt;pointer&gt;.&lt;operation&gt;<\/code>. \u5e76\u4ee5\u9017\u53f7\u95f4\u9694\u6765\u663e\u793a\u6267\u884c\u53e5\u67c4\u7684\u53c2\u6570\u548c\u503c.<\/p>\n<p>\u5982\u4e0a\u6240\u793a,\u6bcf\u4e2a\u53e5\u67c4\u90fd\u7531\u552f\u4e00\u7684\u6570\u5b57\u8fdb\u884c\u6807\u8bc6.\u53e5\u67c4\u8ddf\u8e2a\u8f93\u51fa\u7684\u53e5\u67c4\u7f16\u53f7\u662f0\u7684,\u8868\u793a\u64cd\u4f5c\u4e0d\u662f\u8fd9\u4e9b\u53e5\u67c4\u6267\u884c\u7684.<\/p>\n<h4><a target=\"_blank\" name=\"t26\"><\/a>\u53ef\u89c6\u5316<\/h4>\n<p>\u53e5\u67c4\u8ddf\u8e2a\u8f93\u51fa\u53ef\u4ee5\u4f7f\u7528\u5305\u542b\u5728<code>handlerviz.pl<\/code>\u4e2d\u7684\u5de5\u5177\u8fdb\u884c\u5904\u7406,\u521b\u5efa\u53ef\u89c6\u5316\u7684\u754c\u9762.<\/p>\n<h3><a target=\"_blank\" name=\"t27\"><\/a>\u7f51\u7edc<\/h3>\n<h4><a target=\"_blank\" name=\"t28\"><\/a>TCP,UDP\u548cICMP<\/h4>\n<p>Boost.Asio \u5bf9TCP,UDP\u548cICMP\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u652f\u6301.<\/p>\n<h5><a target=\"_blank\" name=\"t29\"><\/a>TCP\u5ba2\u6237\u7aef<\/h5>\n<p>\u4f7f\u7528resolver\u6267\u884c\u4e3b\u673a\u540d\u79f0\u89e3\u6790,\u67e5\u8be2\u4e3b\u673a\u548c\u670d\u52a1\u540d\u79f0\u5e76\u8f6c\u6362\u4e3a\u4e00\u4e2a\u6216\u591a\u4e2a\u7aef\u70b9:<\/p>\n<pre>ip::tcp::resolver resolver(my_io_service);<\/pre>\n<pre>ip::tcp::resolver::query query(\"www.boost.org\", \"http\");<\/pre>\n<pre>ip::tcp::resolver::iterator iter = resolver.resolve(query);<\/pre>\n<pre>ip::tcp::resolver::iterator end; \/\/ End marker.<\/pre>\n<pre>while (iter != end)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 ip::tcp::endpoint endpoint = *iter++;<\/pre>\n<pre>\u00a0 std::cout &lt;&lt; endpoint &lt;&lt; std::endl;<\/pre>\n<pre>}<\/pre>\n<p>\u4e0a\u9762\u5217\u8868\u4e2d\u5305\u542b\u7684\u7aef\u70b9\u53ef\u4ee5\u662fIPv4\u548cIPv6\u7aef\u70b9,\u56e0\u6b64\u7a0b\u5e8f\u9700\u8981\u5bf9\u6bcf\u79cd\u60c5\u51b5\u8fdb\u884c\u5c1d\u8bd5\u76f4\u5230\u5f97\u5230\u4e00\u4e2a\u53ef\u7528\u7684\u7aef\u70b9.\u8fd9\u4f7f\u7a0b\u5e8f\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7684IP\u7248\u672c.<\/p>\n<p>\u4e3a\u4e86\u5f00\u53d1\u72ec\u7acb\u4e0e\u534f\u8bae\u7684\u7a0b\u5e8f,TCP\u5ba2\u6237\u7aef\u53ef\u4ee5\u4f7f\u7528<a title=\"connect\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/connect.html\" target=\"_blank\" rel=\"noopener\">connect()<\/a>\u548c<a title=\"async_connect\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_connect.html\" target=\"_blank\" rel=\"noopener\">async_connect()<\/a>\u51fd\u6570\u5efa\u7acb\u8fde\u63a5.\u8fd9\u4e2a\u64cd\u4f5c\u5c06\u5c1d\u8bd5\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u7aef\u70b9\u76f4\u5230Socket\u8fde\u63a5\u6210\u529f\u4e3a\u6b62.\u4f8b\u5982,\u7b80\u5355\u7684\u8c03\u7528:<\/p>\n<pre>ip::tcp::socket socket(my_io_service);<\/pre>\n<pre>boost::asio::connect(socket, resolver.resolve(query));<\/pre>\n<p>\u5c06\u540c\u65f6\u5c1d\u8bd5\u6240\u6709\u7aef\u70b9\u76f4\u5230\u627e\u5230\u8fde\u63a5\u6210\u529f.\u540c\u6837\u5f02\u6b65\u64cd\u4f5c\u7684\u65b9\u5f0f\u4e3a:<\/p>\n<pre>boost::asio::async_connect(socket_, iter,<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::bind(&amp;client::handle_connect, this,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error));<\/pre>\n<pre><\/pre>\n<pre>\/\/ ...<\/pre>\n<pre><\/pre>\n<pre>void handle_connect(const error_code&amp; error)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 if (!error)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 \/\/ Start read or write operations.<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>\u00a0 else<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 \/\/ Handle error.<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>}<\/pre>\n<p>\u5f53\u7279\u5b9a\u7aef\u70b9\u53ef\u7528,socket\u521b\u5efa\u5e76\u8fde\u63a5.\u65b9\u5f0f\u4e3a:<\/p>\n<pre>ip::tcp::socket socket(my_io_service);<\/pre>\n<pre>socket.connect(endpoint);<\/pre>\n<p>\u4f7f\u7528\u6210\u5458\u51fd\u6570<a title=\"basic_stream_socket::receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/receive.html\" target=\"_blank\" rel=\"noopener\">receive()<\/a>,<a title=\"basic_stream_socket::async_receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_receive.html\" target=\"_blank\" rel=\"noopener\">async_receive()<\/a>,\u00a0<a title=\"basic_stream_socket::send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/send.html\" target=\"_blank\" rel=\"noopener\">send()<\/a>\u00a0\u6216\u00a0<a title=\"basic_stream_socket::async_send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_send.html\" target=\"_blank\" rel=\"noopener\">async_send()<\/a>\u53ef\u5c06\u6570\u636e\u8bfb\u4e8e\u6216\u5199\u5230TCP\u8fde\u63a5\u7684Socket\u4e0a.\u7136\u800c\u4e3a\u4e86\u5feb\u901f\u7684\u8bfb\u5199\u64cd\u4f5c,\u901a\u5e38\u4f7f\u7528<a title=\"read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read.html\" target=\"_blank\" rel=\"noopener\">read()<\/a>,<a title=\"async_read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read.html\" target=\"_blank\" rel=\"noopener\">async_read()<\/a>,\u00a0<a title=\"write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/write.html\" target=\"_blank\" rel=\"noopener\">write()<\/a>\u548c<a title=\"async_write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_write.html\" target=\"_blank\" rel=\"noopener\">async_write()<\/a>\u51fd\u6570\u8fdb\u884c\u64cd\u4f5c.<\/p>\n<h5><a target=\"_blank\" name=\"t30\"><\/a>TCP\u670d\u52a1<\/h5>\n<p>\u7a0b\u5e8f\u4f7f\u7528\u63a5\u6536\u5668\u6765\u63a5\u6536\u5230\u8fbe\u7684TCP\u8fde\u63a5:<\/p>\n<pre>ip::tcp::acceptor acceptor(my_io_service, my_endpoint);<\/pre>\n<pre>...<\/pre>\n<pre>ip::tcp::socket socket(my_io_service);<\/pre>\n<pre>acceptor.accept(socket);<\/pre>\n<p>\u5f53\u6210\u529f\u63a5\u6536\u4e00\u4e2asocket\u8fde\u63a5(\u5411\u5982\u4e0a\u4f8b\u4e2d\u7684TCP\u5ba2\u6237\u7aef),\u5c31\u53ef\u4ee5\u5728\u5176\u4e0a\u8bfb\u53d6\u6216\u5199\u5165\u6570\u636e\u4e86.<\/p>\n<h5><a target=\"_blank\" name=\"t31\"><\/a>UDP<\/h5>\n<p>UDP\u4e5f\u4f7f\u7528\u6765resolver\u89e3\u6790\u4e3b\u673a\u540d\u79f0:<\/p>\n<pre>ip::udp::resolver resolver(my_io_service);<\/pre>\n<pre>ip::udp::resolver::query query(\"localhost\", \"daytime\");<\/pre>\n<pre>ip::udp::resolver::iterator iter = resolver.resolve(query);<\/pre>\n<pre>...<\/pre>\n<p>UDP\u7ed1\u5b9a\u5230\u4e86\u672c\u5730\u7aef\u70b9.\u5982\u4e0b\u4ee3\u7801\u521b\u5efa\u4e00\u4e2aIPv4\u7684UDP Socket,\u7ed1\u5b9a\u5230\u4efb\u610f\u5730\u5740\u768412345\u7aef\u53e3\u4e0a:<\/p>\n<pre>ip::udp::endpoint endpoint(ip::udp::v4(), 12345);<\/pre>\n<pre>ip::udp::socket socket(my_io_service, endpoint);<\/pre>\n<p>\u4f7f\u7528\u6210\u5458\u51fd\u6570<a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">receive_from()<\/a>,<a title=\"basic_datagram_socket::async_receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_receive_from.html\" target=\"_blank\" rel=\"noopener\">async_receive_from()<\/a>,\u00a0<a title=\"basic_datagram_socket::send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/send_to.html\" target=\"_blank\" rel=\"noopener\">send_to()<\/a>\u00a0\u6216\u00a0<a title=\"basic_datagram_socket::async_send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_send_to.html\" target=\"_blank\" rel=\"noopener\">async_send_to()<\/a>\u53ef\u5728\u65e0\u8fde\u63a5\u7684UPD Socket\u4e0a\u8bfb\u51fa\u6216\u5199\u5165\u6570\u636e.\u5bf9\u4e8e\u8fde\u63a5\u7684UDP Socket,\u53ef\u4f7f\u7528<a title=\"basic_datagram_socket::receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive.html\" target=\"_blank\" rel=\"noopener\">receive()<\/a>,<a title=\"basic_datagram_socket::async_receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_receive.html\" target=\"_blank\" rel=\"noopener\">async_receive()<\/a>,\u00a0<a title=\"basic_datagram_socket::send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/send.html\" target=\"_blank\" rel=\"noopener\">send()<\/a>\u00a0\u6216\u00a0<a title=\"basic_datagram_socket::async_send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_send.html\" target=\"_blank\" rel=\"noopener\">async_send()<\/a>\u6210\u5458\u51fd\u6570.<\/p>\n<h5><a target=\"_blank\" name=\"t32\"><\/a>ICMP<\/h5>\n<p>\u5982\u540cTCP\u548cUPD\u4e00\u6837,ICMP\u4e5f\u662f\u7528resolver\u89e3\u6790\u4e3b\u673a\u540d\u79f0:<\/p>\n<pre>ip::icmp::resolver resolver(my_io_service);<\/pre>\n<pre>ip::icmp::resolver::query query(\"localhost\", \"\");<\/pre>\n<pre>ip::icmp::resolver::iterator iter = resolver.resolve(query);<\/pre>\n<pre>...<\/pre>\n<p>ICMP Socket\u53ef\u80fd\u7ed1\u5b9a\u5230\u672c\u5730\u7aef\u70b9.\u5982\u4e0b\u4ee3\u7801\u521b\u5efaIPv6\u7248\u672c\u7684ICMP Socket,\u5e76\u7ed1\u5b9a\u5230\u4efb\u610f\u7684\u5730\u5740:<\/p>\n<pre>ip::icmp::endpoint endpoint(ip::icmp::v6(), 0);<\/pre>\n<pre>ip::icmp::socket socket(my_io_service, endpoint);<\/pre>\n<p>ICMP\u4e0d\u5fc5\u6307\u5b9a\u7aef\u53e3\u53f7.<\/p>\n<p>\u4f7f\u7528\u6210\u5458\u51fd\u6570<a title=\"basic_raw_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_raw_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">receive_from()<\/a>,<a title=\"basic_raw_socket::async_receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_raw_socket\/async_receive_from.html\" target=\"_blank\" rel=\"noopener\">async_receive_from()<\/a>,\u00a0<a title=\"basic_raw_socket::send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_raw_socket\/send_to.html\" target=\"_blank\" rel=\"noopener\">send_to()<\/a>\u00a0\u6216\u00a0<a title=\"basic_raw_socket::async_send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_raw_socket\/async_send_to.html\" target=\"_blank\" rel=\"noopener\">async_send_to()<\/a>\u5728\u65e0\u8fde\u63a5\u7684ICMP\u4e0a\u8bfb\u51fa\u6216\u5199\u5165\u6570\u636e.<\/p>\n<h5><a target=\"_blank\" name=\"t33\"><\/a>\u5176\u4ed6\u534f\u8bae<\/h5>\n<p>\u5176\u4ed6Socket\u534f\u8bae\u7684\u652f\u6301(\u5982\u84dd\u7259\u6216IRCOMM)\u53ef\u6309\u534f\u8bae\u8981\u6c42\u8fdb\u884c\u5b9e\u73b0.<\/p>\n<h4><a target=\"_blank\" name=\"t34\"><\/a>Socket IO\u6d41<\/h4>\n<p>Boost.Asio \u4e2d\u5305\u542b\u4e00\u4e2a\u5728Socket\u4e0a\u5b9e\u73b0\u7684iostream\u7c7b.\u5c06\u7aef\u70b9\u89e3\u6790,\u534f\u8bae\u65e0\u5173\u7b49\u590d\u6742\u7279\u6027\u7684\u5b9e\u73b0\u9690\u85cf\u8d77\u6765.\u8981\u521b\u5efa\u8fde\u63a5\u53ea\u9700\u7b80\u5355\u7684\u5199\u51e0\u884c\u4ee3\u7801:<\/p>\n<pre>ip::tcp::iostream stream(\"www.boost.org\", \"http\");<\/pre>\n<pre>if (!stream)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 \/\/ Can't connect.<\/pre>\n<pre>}<\/pre>\n<p>iostream \u7c7b\u53ef\u4ee5\u4e0e\u63a5\u6536\u5668\u4e00\u8d77\u521b\u5efa\u7b80\u5355\u7684\u670d\u52a1\u7aef.\u4f8b\u5982:<\/p>\n<pre>io_service ios;<\/pre>\n<pre><\/pre>\n<pre>ip::tcp::endpoint endpoint(tcp::v4(), 80);<\/pre>\n<pre>ip::tcp::acceptor acceptor(ios, endpoint);<\/pre>\n<pre><\/pre>\n<pre>for (;;)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 ip::tcp::iostream stream;<\/pre>\n<pre>\u00a0 acceptor.accept(*stream.rdbuf());<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>}<\/pre>\n<p>\u53ef\u4f7f\u7528expires_at() \u6216 expires_from_now()\u51fd\u6570\u8bbe\u7f6e\u8d85\u65f6\u671f\u9650.\u8d85\u65f6\u7684Socket\u64cd\u4f5c\u4f1a\u5c06iostream\u8bbe\u7f6e\u4e3a&#8221;bad&#8221;\u72b6\u6001.<\/p>\n<p>\u4f8b\u5982,\u4e00\u4e2a\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f:<\/p>\n<pre>ip::tcp::iostream stream;<\/pre>\n<pre>stream.expires_from_now(boost::posix_time::seconds(60));<\/pre>\n<pre>stream.connect(\"www.boost.org\", \"http\");<\/pre>\n<pre>stream &lt;&lt; \"GET \/LICENSE_1_0.txt HTTP\/1.0\\r\\n\";<\/pre>\n<pre>stream &lt;&lt; \"Host: www.boost.org\\r\\n\";<\/pre>\n<pre>stream &lt;&lt; \"Accept: *\/*\\r\\n\";<\/pre>\n<pre>stream &lt;&lt; \"Connection: close\\r\\n\\r\\n\";<\/pre>\n<pre>stream.flush();<\/pre>\n<pre>std::cout &lt;&lt; stream.rdbuf();<\/pre>\n<p>\u5982\u679c\u6240\u6709\u7684Socket\u64cd\u4f5c\u65f6\u95f4\u52a0\u8d77\u6765\u8d85\u8fc760\u79d2\u5219\u5931\u8d25.<\/p>\n<p>\u5982\u679c\u53d1\u751f\u9519\u8bef,\u53ef\u4f7f\u7528iostream\u7684error()\u6210\u5458\u51fd\u6570\u83b7\u53d6\u6700\u8fd1\u7cfb\u7edf\u64cd\u4f5c\u7684\u9519\u8bef\u7801:<\/p>\n<pre>if (!stream)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 std::cout &lt;&lt; \"Error: \" &lt;&lt; stream.error().message() &lt;&lt; \"\\n\";<\/pre>\n<pre>}<\/pre>\n<h5><a target=\"_blank\" name=\"t35\"><\/a>\u6ce8\u610f<\/h5>\n<p>\u8fd9\u4e2aiostream\u6a21\u677f\u53ea\u652f\u6301char,\u4e0d\u652f\u6301wchar_t,\u4e0d\u8981\u7528\u4e8e\u8fd9\u6837\u7684\u4ee3\u7801\u7248\u672c.<\/p>\n<h4><a target=\"_blank\" name=\"t36\"><\/a>BSD Socket API\u548cBoost.Asio<\/h4>\n<p>Boost.Asio \u5305\u542b\u4e86\u5b9e\u73b0BSD Socket API\u7684\u4f4e\u5c42\u6b21Socket\u63a5\u53e3\u7684\u5e93.\u5728\u5176\u4ed6\u8bed\u8a00\u4e2d\u540e\u8005\u4e5f\u4f5c\u4e3a\u6700\u57fa\u672c\u7684\u7f51\u7edcAPI,\u5982Java.\u5e95\u5c42\u6b21\u63a5\u53e3\u53ef\u7528\u6765\u5f00\u53d1\u9ad8\u6548\u7387\u548c\u9ad8\u53ef\u4f38\u7f29\u6027\u7684\u5e94\u7528\u7a0b\u5e8f.\u4f8b\u5982,\u7a0b\u5e8f\u5458\u53ef\u4ee5\u66f4\u597d\u7684\u63a7\u5236\u7cfb\u7edf\u8c03\u7528\u6b21\u6570,\u907f\u514d\u57fa\u7840\u6570\u636e\u62f7\u8d1d,\u6700\u5c0f\u5316\u5982\u7ebf\u7a0b\u7b49\u8d44\u6e90\u7684\u4f7f\u7528\u7b49.<\/p>\n<p>BSD Socket API\u5305\u542b\u4e86\u4e0d\u5b89\u5168\u548c\u6709\u9519\u8bef\u503e\u5411\u7684\u65b9\u9762.\u4f8b\u5982,\u4f7f\u7528\u6574\u578b\u6570\u5b57\u4ee3\u8868socket\u7f3a\u4e4f\u5b89\u5168\u6027. Boost.Asio \u4e2d\u4f7f\u7528\u4e0d\u540c\u7684Socket\u7c7b\u578b\u4ee3\u8868\u4e0d\u7528\u7684\u534f\u8bae,\u5982TCP\u5bf9\u5e94\u7684\u662fip::tcp::socket,UDP\u5bf9\u5e94\u7684ip::udp::socket.<\/p>\n<p>\u4e0b\u8868\u662fBSD Socket API\u548cBoost.Asio\u7684\u5bf9\u6bd4:<\/p>\n<div align=\"center\">\n<table border=\"1\" width=\"113%\" cellpadding=\"0\">\n<thead>\n<tr>\n<td><strong>BSD Socket API \u5143\u7d20<\/strong><\/td>\n<td><strong>Boost.Asio\u4e2d\u7b49\u4ef7\u5185\u5bb9<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Socket\u63cf\u8ff0\u7b26-int (POSIX)\u6216SOCKET (Windows)<\/td>\n<td>TCP:\u00a0<a title=\"ip::tcp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__tcp\/socket.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket<\/a>,\u00a0<a title=\"ip::tcp::acceptor\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__tcp\/acceptor.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor<\/a><\/p>\n<p>UDP:\u00a0<a title=\"ip::udp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/socket.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket<\/a><\/p>\n<p><a title=\"basic_socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket.html\" target=\"_blank\" rel=\"noopener\">basic_socket<\/a>,<a title=\"basic_stream_socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket<\/a>,\u00a0<a title=\"basic_datagram_socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket<\/a>,\u00a0<a title=\"basic_raw_socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_raw_socket.html\" target=\"_blank\" rel=\"noopener\">basic_raw_socket<\/a><\/td>\n<\/tr>\n<tr>\n<td>in_addr, in6_addr<\/td>\n<td><a title=\"ip::address\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address.html\" target=\"_blank\" rel=\"noopener\">ip::address<\/a>,<a title=\"ip::address\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address.html\" target=\"_blank\" rel=\"noopener\">ip::address_v4<\/a>,\u00a0<a title=\"ip::address\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address.html\" target=\"_blank\" rel=\"noopener\">ip::address_v6<\/a><\/td>\n<\/tr>\n<tr>\n<td>sockaddr_in, sockaddr_in6<\/td>\n<td>TCP:\u00a0<a title=\"ip::tcp::endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__tcp\/endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::endpoint<\/a><\/p>\n<p>UDP:\u00a0<a title=\"ip::udp::endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::udp::endpoint<\/a><\/p>\n<p><a title=\"ip::basic_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::basic_endpoint<\/a><\/td>\n<\/tr>\n<tr>\n<td>accept()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket_acceptor::accept\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket_acceptor\/accept.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::accept()<\/a><\/p>\n<p><a title=\"basic_socket_acceptor::accept\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket_acceptor\/accept.html\" target=\"_blank\" rel=\"noopener\">basic_socket_acceptor::accept()<\/a><\/td>\n<\/tr>\n<tr>\n<td>bind()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::bind\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/bind.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::bind()<\/a>,\u00a0<a title=\"basic_socket::bind\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/bind.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::bind()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::bind\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/bind.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::bind()<\/a><\/p>\n<p><a title=\"basic_socket::bind\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/bind.html\" target=\"_blank\" rel=\"noopener\">basic_socket::bind()<\/a><\/td>\n<\/tr>\n<tr>\n<td>close()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::close\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/close.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::close()<\/a>,\u00a0<a title=\"basic_socket::close\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/close.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::close()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::close\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/close.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::close()<\/a><\/p>\n<p><a title=\"basic_socket::close\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/close.html\" target=\"_blank\" rel=\"noopener\">basic_socket::close()<\/a><\/td>\n<\/tr>\n<tr>\n<td>connect()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::connect\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/connect.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::connect()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::connect\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/connect.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::connect()<\/a><\/p>\n<p><a title=\"basic_socket::connect\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/connect.html\" target=\"_blank\" rel=\"noopener\">basic_socket::connect()<\/a><\/td>\n<\/tr>\n<tr>\n<td>getaddrinfo(), gethostbyaddr(), gethostbyname(), getnameinfo(), getservbyname(), getservbyport()<\/td>\n<td>TCP:\u00a0<a title=\"ip::basic_resolver::resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/resolve.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::resolver::resolve()<\/a>,\u00a0<a title=\"ip::basic_resolver::async_resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/async_resolve.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::resolver::async_resolve()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"ip::basic_resolver::resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/resolve.html\" target=\"_blank\" rel=\"noopener\">ip::udp::resolver::resolve()<\/a>,\u00a0<a title=\"ip::basic_resolver::async_resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/async_resolve.html\" target=\"_blank\" rel=\"noopener\">ip::udp::resolver::async_resolve()<\/a><\/p>\n<p><a title=\"ip::basic_resolver::resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/resolve.html\" target=\"_blank\" rel=\"noopener\">ip::basic_resolver::resolve()<\/a>,<a title=\"ip::basic_resolver::async_resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/async_resolve.html\" target=\"_blank\" rel=\"noopener\">ip::basic_resolver::async_resolve()<\/a><\/td>\n<\/tr>\n<tr>\n<td>gethostname()<\/td>\n<td><a title=\"ip::host_name\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__host_name.html\" target=\"_blank\" rel=\"noopener\">ip::host_name()<\/a><\/td>\n<\/tr>\n<tr>\n<td>getpeername()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::remote_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/remote_endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::remote_endpoint()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::remote_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/remote_endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::remote_endpoint()<\/a><\/p>\n<p><a title=\"basic_socket::remote_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/remote_endpoint.html\" target=\"_blank\" rel=\"noopener\">basic_socket::remote_endpoint()<\/a><\/td>\n<\/tr>\n<tr>\n<td>getsockname()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::local_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/local_endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::local_endpoint()<\/a>,\u00a0<a title=\"basic_socket::local_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/local_endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::local_endpoint()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::local_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/local_endpoint.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::local_endpoint()<\/a><\/p>\n<p><a title=\"basic_socket::local_endpoint\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/local_endpoint.html\" target=\"_blank\" rel=\"noopener\">basic_socket::local_endpoint()<\/a><\/td>\n<\/tr>\n<tr>\n<td>getsockopt()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::get_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/get_option.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::get_option()<\/a>,\u00a0<a title=\"basic_socket::get_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/get_option.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::get_option()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::get_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/get_option.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::get_option()<\/a><\/p>\n<p><a title=\"basic_socket::get_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/get_option.html\" target=\"_blank\" rel=\"noopener\">basic_socket::get_option()<\/a><\/td>\n<\/tr>\n<tr>\n<td>inet_addr(), inet_aton(), inet_pton()<\/td>\n<td><a title=\"ip::address::from_string\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address\/from_string.html\" target=\"_blank\" rel=\"noopener\">ip::address::from_string()<\/a>,<a title=\"ip::address::from_string\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address\/from_string.html\" target=\"_blank\" rel=\"noopener\">ip::address_v4::from_string()<\/a>,\u00a0<a title=\"ip::address::from_string\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address\/from_string.html\" target=\"_blank\" rel=\"noopener\">ip_address_v6::from_string()<\/a><\/td>\n<\/tr>\n<tr>\n<td>inet_ntoa(), inet_ntop()<\/td>\n<td><a title=\"ip::address::to_string\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address\/to_string.html\" target=\"_blank\" rel=\"noopener\">ip::address::to_string()<\/a>,<a title=\"ip::address::to_string\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address\/to_string.html\" target=\"_blank\" rel=\"noopener\">ip::address_v4::to_string()<\/a>,\u00a0<a title=\"ip::address::to_string\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address\/to_string.html\" target=\"_blank\" rel=\"noopener\">ip_address_v6::to_string()<\/a><\/td>\n<\/tr>\n<tr>\n<td>ioctl()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::io_control\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/io_control.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::io_control()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::io_control\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/io_control.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::io_control()<\/a><\/p>\n<p><a title=\"basic_socket::io_control\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/io_control.html\" target=\"_blank\" rel=\"noopener\">basic_socket::io_control()<\/a><\/td>\n<\/tr>\n<tr>\n<td>listen()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket_acceptor::listen\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket_acceptor\/listen.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::listen()<\/a><\/p>\n<p><a title=\"basic_socket_acceptor::listen\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket_acceptor\/listen.html\" target=\"_blank\" rel=\"noopener\">basic_socket_acceptor::listen()<\/a><\/td>\n<\/tr>\n<tr>\n<td>poll(), select(), pselect()<\/td>\n<td><a title=\"io_service::run\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/io_service\/run.html\" target=\"_blank\" rel=\"noopener\">io_service::run()<\/a>,<a title=\"io_service::run_one\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/io_service\/run_one.html\" target=\"_blank\" rel=\"noopener\">io_service::run_one()<\/a>,\u00a0<a title=\"io_service::poll\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/io_service\/poll.html\" target=\"_blank\" rel=\"noopener\">io_service::poll()<\/a>,\u00a0<a title=\"io_service::poll_one\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/io_service\/poll_one.html\" target=\"_blank\" rel=\"noopener\">io_service::poll_one()<\/a><\/p>\n<p>\u6ce8\u610f:\u5305\u62ec\u5f02\u6b65\u64cd\u4f5c.<\/td>\n<\/tr>\n<tr>\n<td>readv(), recv(), read()<\/td>\n<td>CP:\u00a0<a title=\"basic_stream_socket::read_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/read_some.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::read_some()<\/a>,\u00a0<a title=\"basic_stream_socket::async_read_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_read_some.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::async_read_some()<\/a>,<a title=\"basic_stream_socket::receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/receive.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::receive()<\/a>,\u00a0<a title=\"basic_stream_socket::async_receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_receive.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::async_receive()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_datagram_socket::receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::receive()<\/a>,\u00a0<a title=\"basic_datagram_socket::async_receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_receive.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::async_receive()<\/a><\/p>\n<p><a title=\"basic_stream_socket::read_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/read_some.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::read_some()<\/a>,<a title=\"basic_stream_socket::async_read_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_read_some.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::async_read_some()<\/a>,<a title=\"basic_stream_socket::receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/receive.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::receive()<\/a>,\u00a0<a title=\"basic_stream_socket::async_receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_receive.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::async_receive()<\/a>,<a title=\"basic_datagram_socket::receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::receive()<\/a>,\u00a0<a title=\"basic_datagram_socket::async_receive\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_receive.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::async_receive()<\/a><\/td>\n<\/tr>\n<tr>\n<td>recvfrom()<\/td>\n<td>UDP:\u00a0<a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::receive_from()<\/a>,\u00a0<a title=\"basic_datagram_socket::async_receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_receive_from.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::async_receive_from()<\/a><\/p>\n<p><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::receive_from()<\/a>,<a title=\"basic_datagram_socket::async_receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_receive_from.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::async_receive_from()<\/a><\/td>\n<\/tr>\n<tr>\n<td>send(), write(), writev()<\/td>\n<td>TCP:\u00a0<a title=\"basic_stream_socket::write_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/write_some.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::write_some()<\/a>,\u00a0<a title=\"basic_stream_socket::async_write_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_write_some.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::async_write_some()<\/a>,<a title=\"basic_stream_socket::send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/send.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::send()<\/a>,\u00a0<a title=\"basic_stream_socket::async_send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_send.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::async_send()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_datagram_socket::send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/send.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::send()<\/a>,\u00a0<a title=\"basic_datagram_socket::async_send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_send.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::async_send()<\/a><\/p>\n<p><a title=\"basic_stream_socket::write_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/write_some.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::write_some()<\/a>,<a title=\"basic_stream_socket::async_write_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_write_some.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::async_write_some()<\/a>,<a title=\"basic_stream_socket::send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/send.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::send()<\/a>,\u00a0<a title=\"basic_stream_socket::async_send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_send.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket::async_send()<\/a>,<a title=\"basic_datagram_socket::send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/send.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::send()<\/a>,\u00a0<a title=\"basic_datagram_socket::async_send\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_send.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::async_send()<\/a><\/td>\n<\/tr>\n<tr>\n<td>sendto()<\/td>\n<td>UDP:\u00a0<a title=\"basic_datagram_socket::send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/send_to.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::send_to()<\/a>,\u00a0<a title=\"basic_datagram_socket::async_send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_send_to.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::async_send_to()<\/a><\/p>\n<p><a title=\"basic_datagram_socket::send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/send_to.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::send_to()<\/a>,<a title=\"basic_datagram_socket::async_send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_send_to.html\" target=\"_blank\" rel=\"noopener\">basic_datagram_socket::async_send_to()<\/a><\/td>\n<\/tr>\n<tr>\n<td>setsockopt()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::set_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/set_option.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::set_option()<\/a>,\u00a0<a title=\"basic_socket::set_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/set_option.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::set_option()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::set_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/set_option.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::set_option()<\/a><\/p>\n<p><a title=\"basic_socket::set_option\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/set_option.html\" target=\"_blank\" rel=\"noopener\">basic_socket::set_option()<\/a><\/td>\n<\/tr>\n<tr>\n<td>shutdown()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::shutdown\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/shutdown.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::shutdown()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::shutdown\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/shutdown.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::shutdown()<\/a><\/p>\n<p><a title=\"basic_socket::shutdown\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/shutdown.html\" target=\"_blank\" rel=\"noopener\">basic_socket::shutdown()<\/a><\/td>\n<\/tr>\n<tr>\n<td>sockatmark()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::at_mark\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/at_mark.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::at_mark()<\/a><\/p>\n<p><a title=\"basic_socket::at_mark\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/at_mark.html\" target=\"_blank\" rel=\"noopener\">basic_socket::at_mark()<\/a><\/td>\n<\/tr>\n<tr>\n<td>socket()<\/td>\n<td>TCP:\u00a0<a title=\"basic_socket::open\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/open.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor::open()<\/a>,\u00a0<a title=\"basic_socket::open\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/open.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::open()<\/a><\/p>\n<p>UDP:\u00a0<a title=\"basic_socket::open\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/open.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::open()<\/a><\/p>\n<p><a title=\"basic_socket::open\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket\/open.html\" target=\"_blank\" rel=\"noopener\">basic_socket::open()<\/a><\/td>\n<\/tr>\n<tr>\n<td>socketpair()<\/td>\n<td><a title=\"local::connect_pair\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/local__connect_pair.html\" target=\"_blank\" rel=\"noopener\">local::connect_pair()<\/a><\/p>\n<p>\u6ce8\u610f:\u4ec5\u9002\u5408POSIX\u64cd\u4f5c\u7cfb\u7edf.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><a target=\"_blank\" name=\"t37\"><\/a>\u5b9a\u65f6\u5668<\/h3>\n<p>\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u64cd\u4f5c\u901a\u5e38\u90fd\u4f1a\u8bbe\u7f6e\u4e00\u4e2a\u6700\u7ec8\u7684\u5b8c\u6210\u671f\u9650.\u8fd9\u4e2a\u6700\u7ec8\u671f\u9650\u53ef\u4ee5\u662f\u4f7f\u7528\u7edd\u5bf9\u65f6\u95f4\u6765\u8868\u793a,\u4f46\u901a\u5e38\u4f7f\u7528\u76f8\u5bf9\u65f6\u95f4.<\/p>\n<p>\u4e00\u4e2a\u7b80\u5355\u7684\u8303\u4f8b,\u5728\u76f8\u5bf9\u65f6\u95f4\u5185\u6267\u884c\u7b49\u5f85\u5f02\u6b65\u64cd\u4f5c:<\/p>\n<pre>io_service i;<\/pre>\n<pre>...<\/pre>\n<pre>deadline_timer t(i);<\/pre>\n<pre>t.expires_from_now(boost::posix_time::seconds(5));<\/pre>\n<pre>t.wait();<\/pre>\n<p>\u901a\u5e38,\u7a0b\u5e8f\u4f1a\u57fa\u4e8e\u8ba1\u65f6\u5668\u6765\u6267\u884c\u5f02\u6b65\u7b49\u5f85\u64cd\u4f5c:<\/p>\n<pre>void handler(boost::system::error_code ec) { ... }<\/pre>\n<pre>...<\/pre>\n<pre>io_service i;<\/pre>\n<pre>...<\/pre>\n<pre>deadline_timer t(i);<\/pre>\n<pre>t.expires_from_now(boost::posix_time::milliseconds(400));<\/pre>\n<pre>t.async_wait(handler);<\/pre>\n<pre>...<\/pre>\n<pre>i.run();<\/pre>\n<p>\u5b9a\u65f6\u5668\u76f8\u5173\u8054\u7684\u8d85\u65f6\u671f\u9650\u53ef\u4ee5\u662f\u76f8\u5bf9\u65f6\u95f4:<\/p>\n<pre>boost::posix_time::time_duration time_until_expiry<\/pre>\n<pre>\u00a0 = t.expires_from_now();<\/pre>\n<p>\u6216\u4f7f\u7528\u7edd\u5bf9\u65f6\u95f4:<\/p>\n<pre>deadline_timer t2(i);<\/pre>\n<pre>t2.expires_at(t.expires_at() + boost::posix_time::seconds(30));<\/pre>\n<h3><a target=\"_blank\" name=\"t38\"><\/a>\u4e32\u53e3<\/h3>\n<p>Boost.Asio\u5305\u542b\u7528\u7075\u6d3b\u7684\u65b9\u5f0f\u521b\u5efa\u548c\u64cd\u4f5c\u4e32\u53e3\u7684\u7c7b.\u4f8b\u5982,\u6253\u5f00\u4e32\u53e3\u7684\u4ee3\u7801:<\/p>\n<pre>serial_port port(my_io_service, name);<\/pre>\n<p>name\u662f\u5982Windows\u4e2d\u7684&#8221;COM1&#8243;,\u53caPOSIX\u5e73\u53f0\u4e0b\u7684&#8221;\/dev\/ttyS0&#8243;.<\/p>\n<p>\u6253\u5f00\u540e,\u4e32\u53e3\u5c31\u53ef\u4ee5\u5411\u6d41\u4e00\u6837\u4f7f\u7528\u4e86.\u65e2\u8fd9\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u7528\u4e8e<a title=\"async_read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read.html\" target=\"_blank\" rel=\"noopener\">async_read()<\/a>,<a title=\"write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/write.html\" target=\"_blank\" rel=\"noopener\">write()<\/a>,\u00a0<a title=\"async_write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_write.html\" target=\"_blank\" rel=\"noopener\">async_write()<\/a>,\u00a0<a title=\"read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read_until.html\" target=\"_blank\" rel=\"noopener\">read_until()<\/a>\u00a0\u6216<a title=\"async_read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read_until.html\" target=\"_blank\" rel=\"noopener\">async_read_until()<\/a>\u51fd\u6570.<\/p>\n<p>\u4e32\u53e3\u5b9e\u73b0\u4e2d\u8fd8\u5305\u62ec\u914d\u7f6e\u4e32\u53e3\u6ce2\u7279\u7387,\u6d41\u63a7\u5236,\u5947\u5076\u6821\u9a8c,\u505c\u6b62\u4f4d\u548c\u5b57\u7b26\u6570\u91cf\u7b49\u53ef\u9009\u7c7b.<\/p>\n<h4><a target=\"_blank\" name=\"t39\"><\/a>\u6ce8\u610f<\/h4>\n<p>\u4e32\u53e3\u53ef\u7528\u4e8e\u6240\u6709POSIX\u5e73\u53f0.Windows\u4e2d\u4e32\u53e3\u901a\u4fe1\u9700\u8981\u5728\u7f16\u8bd1\u671f\u5c06IO\u5b8c\u6210\u7aef\u53e3\u6fc0\u6d3b.\u7a0b\u5e8f\u53ef\u4ee5\u6d4b\u8bd5BOOST_ASIO_HAS_SERIAL_PORTS\u5b8f\u6765\u68c0\u67e5Windows\u7cfb\u7edf\u662f\u5426\u652f\u6301\u4e32\u53e3\u64cd\u4f5c.<\/p>\n<h3><a target=\"_blank\" name=\"t40\"><\/a>\u4fe1\u53f7\u5904\u7406<\/h3>\n<p>Boost.Asio\u901a\u8fc7signal_set\u7c7b\u5b9e\u73b0\u4fe1\u53f7\u5904\u7406.\u7a0b\u5e8f\u53ef\u4ee5\u5411\u96c6\u5408\u4e2d\u52a0\u5165\u4e00\u4e2a\u6216\u591a\u4e2a\u4fe1\u53f7,\u800c\u540e\u6267\u884casyn_wait()\u64cd\u4f5c.\u5f53\u5176\u4e2d\u4e00\u4e2a\u4fe1\u53f7\u53d1\u751f\u65f6\u6267\u884c\u7279\u5b9a\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570.\u540c\u4e00\u4e2a\u4fe1\u53f7\u53ef\u6ce8\u518c\u5728\u591a\u4e2asingal_set\u5bf9\u8c61\u4e2d,\u4f46\u8fd9\u4e9b\u4fe1\u53f7\u53ea\u80fd\u7528\u4e8eBoost.Asio .<\/p>\n<pre>void handler(<\/pre>\n<pre>\u00a0\u00a0\u00a0 const boost::system::error_code&amp; error,<\/pre>\n<pre>\u00a0\u00a0\u00a0 int signal_number)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 if (!error)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 \/\/ A signal occurred.<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>}<\/pre>\n<pre><\/pre>\n<pre>...<\/pre>\n<pre><\/pre>\n<pre>\/\/ Construct a signal set registered for process termination.<\/pre>\n<pre>boost::asio::signal_set signals(io_service, SIGINT, SIGTERM);<\/pre>\n<pre><\/pre>\n<pre>\/\/ Start an asynchronous wait for one of the signals to occur.<\/pre>\n<pre>signals.async_wait(handler);<\/pre>\n<p>\u4fe1\u53f7\u5904\u7406\u4e5f\u53ef\u5728Windows\u4e2d\u4f7f\u7528,\u4e0eVC++\u8fd0\u884c\u65f6\u5e93\u6620\u5c04\u5230\u63a7\u5236\u53f0\u7684\u4e8b\u4ef6\u5982Ctrl+C\u7b49\u4ef7.<\/p>\n<h3><a target=\"_blank\" name=\"t41\"><\/a>POSIX\u7279\u6709\u529f\u80fd<\/h3>\n<h4><a target=\"_blank\" name=\"t42\"><\/a>UNIX\u9886\u57df\u7684Socket<\/h4>\n<p>Boost.Asio \u63d0\u4f9b\u4e86UNIX\u9886\u57df\u7684Socket\u57fa\u672c\u652f\u6301(\u53c8\u53eb\u505a\u672c\u5730Socket).\u6700\u7b80\u5355\u7684\u4f7f\u7528\u60c5\u51b5\u662f\u6709\u4e00\u5bf9\u8fde\u63a5Socket.\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>local::stream_protocol::socket socket1(my_io_service);<\/pre>\n<pre>local::stream_protocol::socket socket2(my_io_service);<\/pre>\n<pre>local::connect_pair(socket1, socket2);<\/pre>\n<p>\u5c06\u521b\u5efa\u4e00\u5bf9\u57fa\u4e8e\u6d41\u7684Socket.\u8981\u5b9e\u73b0\u57fa\u4e8e\u6570\u636e\u5305\u7684Socket,\u4f7f\u7528:<\/p>\n<pre>local::datagram_protocol::socket socket1(my_io_service);<\/pre>\n<pre>local::datagram_protocol::socket socket2(my_io_service);<\/pre>\n<pre>local::connect_pair(socket1, socket2);<\/pre>\n<p>UNIX\u9886\u57df\u7684Socket\u670d\u52a1\u53ef\u4ee5\u521b\u5efa\u5728\u4e00\u4e2a\u7ed1\u5b9a\u4e00\u4e2a\u7aef\u70b9\u7684\u63a5\u6536\u5668\u4e0a,TCP\u670d\u52a1\u4e5f\u7c7b\u4f3c:<\/p>\n<pre>::unlink(\"\/tmp\/foobar\"); \/\/ Remove previous binding.<\/pre>\n<pre>local::stream_protocol::endpoint ep(\"\/tmp\/foobar\");<\/pre>\n<pre>local::stream_protocol::acceptor acceptor(my_io_service, ep);<\/pre>\n<pre>local::stream_protocol::socket socket(my_io_service);<\/pre>\n<pre>acceptor.accept(socket);<\/pre>\n<p>\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u7aef\u4ee3\u7801:<\/p>\n<pre>local::stream_protocol::endpoint ep(\"\/tmp\/foobar\");<\/pre>\n<pre>local::stream_protocol::socket socket(my_io_service);<\/pre>\n<pre>socket.connect(ep);<\/pre>\n<p>Boost.Asio\u4e0d\u652f\u6301\u8de8UNIX\u9886\u57dfSocket\u4f20\u8f93\u6587\u4ef6\u63cf\u8ff0\u7b26\u6216\u8bc1\u4e66,\u4f46\u53ef\u4ee5\u4f7f\u7528native()\u51fd\u6570\u8c03\u7528Socket\u7684\u5e95\u5c42\u63cf\u8ff0\u7b26\u6765\u5b9e\u73b0.<\/p>\n<h5><a target=\"_blank\" name=\"t43\"><\/a>\u6ce8\u610f<\/h5>\n<p>UNIX\u9886\u57df\u7684Socket\u4ec5\u5728\u652f\u6301\u7684\u5e73\u53f0\u4e0a\u7f16\u8bd1\u7684\u65f6\u5019\u6fc0\u6d3b.\u53ef\u4ee5\u6d4b\u8bd5BOOST_ASIO_HAS_LOCAL_SOCKETS\u5b8f\u68c0\u67e5\u662f\u5426\u652f\u6301.<\/p>\n<h4><a target=\"_blank\" name=\"t44\"><\/a>\u57fa\u4e8e\u6d41\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/h4>\n<p>Boost.Asio \u5305\u542b\u5728POSIX\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u540c\u6b65\u6216\u5f02\u6b65\u8bfb\u5199\u7684\u7c7b,\u5982\u7ba1\u9053,\u6807\u51c6\u8f93\u5165\u8f93\u51fa,\u548c\u5404\u79cd\u8bbe\u5907(\u4f46\u4e0d\u662f\u5e38\u89c4\u7684\u6587\u4ef6).<\/p>\n<p>\u4f8b\u5982,\u5728\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u4e0a\u6267\u884c\u8bfb\u5199,\u521b\u5efa\u5982\u4e0b\u5bf9\u8c61:<\/p>\n<pre>posix::stream_descriptor in(my_io_service, ::dup(STDIN_FILENO));<\/pre>\n<pre>posix::stream_descriptor out(my_io_service, ::dup(STDOUT_FILENO));<\/pre>\n<p>\u800c\u540e\u8fdb\u884c\u540c\u6b65\u6216\u5f02\u6b65\u8bfb\u5199\u6d41.\u5373\u5bf9\u8c61\u53ef\u7528\u4e8e<a title=\"read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read.html\" target=\"_blank\" rel=\"noopener\">read()<\/a>,<a title=\"async_read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read.html\" target=\"_blank\" rel=\"noopener\">async_read()<\/a>,\u00a0<a title=\"write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/write.html\" target=\"_blank\" rel=\"noopener\">write()<\/a>,\u00a0<a title=\"async_write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_write.html\" target=\"_blank\" rel=\"noopener\">async_write()<\/a>,\u00a0<a title=\"read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read_until.html\" target=\"_blank\" rel=\"noopener\">read_until()<\/a>\u00a0\u6216<a title=\"async_read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read_until.html\" target=\"_blank\" rel=\"noopener\">async_read_until()<\/a>\u7b49\u51fd\u6570.<\/p>\n<h5><a target=\"_blank\" name=\"t45\"><\/a>\u6ce8\u610f<\/h5>\n<p>POSIX\u6d41\u63cf\u8ff0\u7b26\u4ec5\u5728\u652f\u6301\u5e73\u53f0\u4e0a\u7f16\u8bd1\u65f6\u6fc0\u6d3b.\u7a0b\u5e8f\u53ef\u4ee5\u68c0\u67e5BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR\u5b8f\u67e5\u8be2\u662f\u5426\u652f\u6301.<\/p>\n<h4><a target=\"_blank\" name=\"t46\"><\/a>Fork<\/h4>\n<p>Boost.Asio \u652f\u6301\u7a0b\u5e8f\u4f7f\u7528fork()\u7cfb\u7edf\u8c03\u7528.\u7a0b\u5e8f\u53ef\u4ee5\u5728\u9002\u5f53\u65f6\u95f4\u8c03\u7528io_service.notify_fork(),Boost.Asio\u53ef\u91cd\u65b0\u521b\u5efa\u4e00\u4e2a\u5185\u90e8\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26(\u5982\u4f7f\u7528&#8221;self-pipe trick&#8221;\u63cf\u8ff0\u7b26\u6280\u5de7\u6fc0\u6d3b\u53cd\u5e94\u5668(reactor)).\u901a\u77e5\u7528\u6cd5\u5982\u4e0b:<\/p>\n<pre>io_service_.notify_fork(boost::asio::io_service::fork_prepare);<\/pre>\n<pre>if (fork() == 0)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 io_service_.notify_fork(boost::asio::io_service::fork_child);<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>}<\/pre>\n<pre>else<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 io_service_.notify_fork(boost::asio::io_service::fork_parent);<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>}<\/pre>\n<p>\u7528\u6237\u5b9a\u4e49\u670d\u52a1\u53ef\u4ee5\u91cd\u5199io_service::service::fork_service()\u865a\u51fd\u6570\u6709\u610f\u5236\u9020fork\u64cd\u4f5c.<\/p>\n<p>\u6ce8\u610f\u6240\u6709Boost.Asio\u7684\u516c\u5171API\u51fd\u6570\u53ef\u8bbf\u95ee\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26(\u5982basic_socket&lt;&gt;, posix::stream_descriptor\u4e0b\u7684\u63cf\u8ff0\u7b26)\u5728fork\u671f\u95f4\u4e0d\u4f1a\u66f4\u6539.\u8fd9\u9700\u8981\u7a0b\u5e8f\u6309\u9700\u8981\u8fdb\u884c\u7ba1\u7406.<\/p>\n<h3><a target=\"_blank\" name=\"t47\"><\/a>Windows\u7279\u6709\u529f\u80fd<\/h3>\n<h4><a target=\"_blank\" name=\"t48\"><\/a>\u9762\u5411\u6d41\u7684\u53e5\u67c4<\/h4>\n<p>Boost.Asio \u5305\u542b\u5141\u8bb8\u5728Windows\u53e5\u67c4\u4e0a\u6267\u884c\u5f02\u6b65\u8bfb\u6216\u5199\u64cd\u4f5c\u7684\u7c7b,\u5982\u547d\u540d\u7ba1\u9053.<\/p>\n<p>\u4f8b\u5982,\u5728\u547d\u540d\u7ba1\u9053\u4e0a\u6267\u884c\u5f02\u6b65\u64cd\u4f5c,\u521b\u5efa\u5982\u4e0b\u5bf9\u8c61:<\/p>\n<pre>HANDLE handle = ::CreateFile(...);<\/pre>\n<pre>windows::stream_handle pipe(my_io_service, handle);<\/pre>\n<p>\u800c\u540e\u4f7f\u7528\u540c\u6b65\u6216\u5f02\u6b65\u65b9\u5f0f\u8bfb\u5199\u6d41.\u5373\u5bf9\u8c61\u53ef\u7528\u4e8e<a title=\"read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read.html\" target=\"_blank\" rel=\"noopener\">read()<\/a>,<a title=\"async_read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read.html\" target=\"_blank\" rel=\"noopener\">async_read()<\/a>,\u00a0<a title=\"write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/write.html\" target=\"_blank\" rel=\"noopener\">write()<\/a>,\u00a0<a title=\"async_write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_write.html\" target=\"_blank\" rel=\"noopener\">async_write()<\/a>,\u00a0<a title=\"read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read_until.html\" target=\"_blank\" rel=\"noopener\">read_until()<\/a>\u00a0\u6216<a title=\"async_read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read_until.html\" target=\"_blank\" rel=\"noopener\">async_read_until()<\/a>\u51fd\u6570.<\/p>\n<p>\u53e5\u67c4\u76f8\u5bf9\u7684\u5185\u6838\u5bf9\u8c61\u5fc5\u987b\u652f\u6301IO\u5b8c\u6210\u7aef\u53e3(\u547d\u540d\u7ba1\u9053\u652f\u6301,\u4f46\u533f\u540d\u7ba1\u9053\u548c\u63a7\u5236\u53f0\u6d41\u4e0d\u652f\u6301).<\/p>\n<h5><a target=\"_blank\" name=\"t49\"><\/a>\u6ce8\u610f<\/h5>\n<p>Windows\u53e5\u67c4\u6d41\u53ea\u80fd\u5728\u7f16\u8bd1\u671f\u6fc0\u6d3b,\u800c\u4e14\u5fc5\u987b\u53ea\u7528IO\u5b8c\u6210\u7aef\u53e3\u4f5c\u4e3a\u540e\u53f0\u5904\u7406(\u9ed8\u8ba4).\u53ef\u4f7f\u7528BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE\u5b8f\u68c0\u6d4b.<\/p>\n<h4><a target=\"_blank\" name=\"t50\"><\/a>\u968f\u673a\u5b58\u53d6\u53e5\u67c4<\/h4>\n<p>Boost.Asio\u63d0\u4f9b\u7279\u5b9a\u7684\u7c7b\u5b9e\u73b0\u5728\u89c4\u5219\u6587\u4ef6\u76f8\u5173\u53e5\u67c4\u4e0a\u6267\u884c\u5f02\u6b65\u8bfb\u5199\u64cd\u4f5c.<\/p>\n<p>\u4f8b\u5982,\u5728\u6587\u4ef6\u4e0a\u6267\u884c\u5f02\u6b65\u64cd\u4f5c\u4ee3\u7801:<\/p>\n<pre>HANDLE handle = ::CreateFile(...);<\/pre>\n<pre>windows::random_access_handle file(my_io_service, handle);<\/pre>\n<p>\u53ef\u4ee5\u901a\u8fc7\u6210\u5458\u51fd\u6570read_some_at(), async_read_some_at(), write_some_at() \u6216 async_write_some_at()\u6765\u8bfb\u51fa\u6216\u5199\u5165\u6570\u636e.\u7136\u800c,\u548c\u6d41\u4e0a\u7684\u7b49\u4ef7\u51fd\u6570(read_some()\u7b49)\u4e00\u6837,\u8fd9\u4e9b\u51fd\u6570\u53ea\u9700\u8981\u5728\u5355\u4e2a\u64cd\u4f5c\u4e2d\u4f20\u9012\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u8282.\u56e0\u6b64\u521b\u5efa\u4e86<a title=\"read_at\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read_at.html\" target=\"_blank\" rel=\"noopener\">read_at()<\/a>,<a title=\"async_read_at\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read_at.html\" target=\"_blank\" rel=\"noopener\">async_read_at()<\/a>,\u00a0<a title=\"write_at\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/write_at.html\" target=\"_blank\" rel=\"noopener\">write_at()<\/a>\u00a0\u548c\u00a0<a title=\"async_write_at\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_write_at.html\" target=\"_blank\" rel=\"noopener\">async_write_at()<\/a>\u51fd\u6570,\u5185\u90e8\u91cd\u590d\u8c03\u7528\u76f8\u5e94\u7684<strong>*<\/strong><code>_some_at()<\/code>\u51fd\u6570\u76f4\u5230\u6240\u6709\u6570\u636e\u4f20\u9012\u5b8c\u6bd5\u4e3a\u6b62.<\/p>\n<h5><a target=\"_blank\" name=\"t51\"><\/a>\u6ce8\u610f<\/h5>\n<p>Windows\u968f\u673a\u8bfb\u53d6\u53e5\u67c4\u53ea\u80fd\u5728\u7f16\u8bd1\u671f\u6fc0\u6d3b,\u800c\u4e14\u540e\u53f0\u4f7f\u7528IO\u5b8c\u6210\u7aef\u53e3\u8fdb\u884c\u5904\u7406\u624d\u53ef\u7528.\u53ef\u4f7f\u7528BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE\u5b8f\u6765\u68c0\u6d4b.<\/p>\n<h4><a target=\"_blank\" name=\"t52\"><\/a>\u5bf9\u8c61\u53e5\u67c4<\/h4>\n<p>Boost.Asio\u63d0\u4f9bWindows\u7279\u6709\u7684\u7c7b\u5b9e\u73b0\u5728\u5185\u6838\u5bf9\u8c61\u53e5\u67c4\u4e0a\u8fdb\u884c\u5f02\u6b65\u7b49\u5f85\u7684\u64cd\u4f5c:<\/p>\n<ul type=\"disc\">\n<li>\u4fee\u6539\u901a\u77e5<\/li>\n<li>\u63a7\u5236\u53f0\u8f93\u5165<\/li>\n<li>\u4e8b\u4ef6<\/li>\n<li>\u5185\u5b58\u8d44\u6e90\u901a\u77e5<\/li>\n<li>\u8fdb\u7a0b<\/li>\n<li>\u4fe1\u53f7\u91cf<\/li>\n<li>\u7ebf\u7a0b<\/li>\n<li>\u7b49\u5f85\u5b9a\u65f6\u5668<\/li>\n<\/ul>\n<p>\u4f8b\u5982,\u5728\u4e8b\u4ef6\u4e0a\u6267\u884c\u5f02\u6b65\u64cd\u4f5c,\u521b\u5efa\u5982\u4e0b\u5bf9\u8c61:<\/p>\n<pre>HANDLE handle = ::CreateEvent(...);<\/pre>\n<pre>windows::object_handle file(my_io_service, handle);<\/pre>\n<p>wait()\u548casync_wait()\u6210\u5458\u51fd\u6570\u7528\u4e8e\u7b49\u5f85\u5185\u6838\u5bf9\u8c61\u53d7\u4fe1.<\/p>\n<h5><a target=\"_blank\" name=\"t53\"><\/a>\u6ce8\u610f<\/h5>\n<p>Windows\u5bf9\u8c61\u53e5\u67c4\u9700\u8981\u5728\u7f16\u8bd1\u671f\u6fc0\u6d3b.\u53ef\u4f7f\u7528BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE\u5b8f\u68c0\u67e5.<\/p>\n<h3><a target=\"_blank\" name=\"t54\"><\/a><a title=\"SSL\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/overview\/ssl.html\" target=\"_blank\" rel=\"noopener\">SSL<\/a><\/h3>\n<p>Boost.Asio \u5305\u62ec\u5bf9SSL\u652f\u6301\u7684\u7c7b\u548c\u7c7b\u6a21\u677f.\u8fd9\u4e9b\u7c7b\u53ef\u4ee5\u5728\u901a\u4fe1\u65f6\u5c06\u5df2\u5b58\u5728\u7684\u6d41(\u5982TCP Socket)\u8fdb\u884c\u52a0\u5bc6.<\/p>\n<p>\u5728\u521b\u5efa\u52a0\u5bc6\u6d41\u524d,\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u6784\u9020SSL\u4e0a\u4e0b\u6587\u5bf9\u8c61.\u8fd9\u4e2a\u5bf9\u8c61\u4e2d\u901a\u5e38\u8bbe\u7f6e\u4e86\u5982\u9a8c\u8bc1\u6a21\u5f0f,\u8bc1\u4e66\u6587\u4ef6\u7b49SLL\u9009\u9879.\u4f8b\u5982,\u5ba2\u6237\u7aef\u521d\u59cb\u5316\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>ssl::context ctx(ssl::context::sslv23);<\/pre>\n<pre>ctx.set_verify_mode(ssl::verify_peer);<\/pre>\n<pre>ctx.load_verify_file(\"ca.pem\");<\/pre>\n<p>\u5728TCP Socket\u4e0b\u4f7f\u7528SSL:<\/p>\n<pre>ssl::stream&lt;ip::tcp::socket&gt; ssl_sock(my_io_service, ctx);<\/pre>\n<p>\u6267\u884c\u7279\u5b9a\u7684Socket\u64cd\u4f5c,\u5982\u5efa\u7acb\u8fdc\u7a0b\u8fde\u63a5\u6216\u63a5\u6536\u8fde\u63a5,\u5e95\u5c42\u7684Socket\u5fc5\u987b\u4f7f\u7528ssl::stream\u6a21\u677f\u7684lowest_layer()\u6210\u5458\u51fd\u6570\u6765\u83b7\u53d6:<\/p>\n<pre>ip::tcp::socket::lowest_layer_type&amp; sock = ssl_sock.lowest_layer();<\/pre>\n<pre>sock.connect(my_endpoint);<\/pre>\n<p>\u6709\u65f6\u5e95\u5c42\u7684\u6d41\u5bf9\u8c61\u7684\u751f\u547d\u671f\u8981\u6bd4SSL\u6d41\u957f,\u8fd9\u65f6\u6a21\u677f\u53c2\u6570\u9700\u8981\u5f15\u7528\u6d41\u7c7b\u578b:<\/p>\n<pre>ip::tcp::socket sock(my_io_service);<\/pre>\n<pre>ssl::stream&lt;ip::tcp::socket&amp;&gt; ssl_sock(sock, ctx);<\/pre>\n<p>SSL\u7684\u52a0\u5bc6\u8fde\u63a5\u63e1\u624b\u9700\u8981\u5728\u4f20\u8f93\u6216\u63a5\u6536\u6570\u636e\u524d\u8fdb\u884c.\u53ef\u901a\u8fc7ssl::stream\u6a21\u677f\u7684handshake()\u6216async_handshake()\u6210\u5458\u51fd\u6570\u5efa\u7acb\u8fde\u63a5.<\/p>\n<p>\u8fde\u63a5\u540e,SSL\u6d41\u5bf9\u8c61\u5373\u53ef\u5411\u540c\u6b65\u6216\u5f02\u6b65\u8bfb\u5199\u6d41\u4e00\u6837\u7684\u65b9\u5f0f\u4f7f\u7528\u4e86.\u5373\u5bf9\u8c61\u53ef\u7528\u4e8e<a title=\"read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read.html\" target=\"_blank\" rel=\"noopener\">read()<\/a>,<a title=\"async_read\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read.html\" target=\"_blank\" rel=\"noopener\">async_read()<\/a>,\u00a0<a title=\"write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/write.html\" target=\"_blank\" rel=\"noopener\">write()<\/a>,<a title=\"async_write\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_write.html\" target=\"_blank\" rel=\"noopener\">async_write()<\/a>,\u00a0<a title=\"read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/read_until.html\" target=\"_blank\" rel=\"noopener\">read_until()<\/a>\u00a0\u6216\u00a0<a title=\"async_read_until\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/async_read_until.html\" target=\"_blank\" rel=\"noopener\">async_read_until()<\/a>\u51fd\u6570.<\/p>\n<h4><a target=\"_blank\" name=\"t55\"><\/a>\u8bc1\u4e66\u9a8c\u8bc1<\/h4>\n<p>Boost.Asio \u63d0\u4f9b\u5404\u79cd\u65b9\u6cd5\u6765\u914d\u7f6eSSL\u8bc1\u4e66\u9a8c\u8bc1:<\/p>\n<ul type=\"disc\">\n<li><a title=\"ssl::context::set_default_verify_paths\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__context\/set_default_verify_paths.html\" target=\"_blank\" rel=\"noopener\">ssl::context::set_default_verify_paths()<\/a><\/li>\n<li><a title=\"ssl::context::set_verify_mode\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__context\/set_verify_mode.html\" target=\"_blank\" rel=\"noopener\">ssl::context::set_verify_mode()<\/a><\/li>\n<li><a title=\"ssl::context::set_verify_callback\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__context\/set_verify_callback.html\" target=\"_blank\" rel=\"noopener\">ssl::context::set_verify_callback()<\/a><\/li>\n<li><a title=\"ssl::context::load_verify_file\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__context\/load_verify_file.html\" target=\"_blank\" rel=\"noopener\">ssl::context::load_verify_file()<\/a><\/li>\n<li><a title=\"ssl::stream::set_verify_mode\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__stream\/set_verify_mode.html\" target=\"_blank\" rel=\"noopener\">ssl::stream::set_verify_mode()<\/a><\/li>\n<li><a title=\"ssl::stream::set_verify_callback\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__stream\/set_verify_callback.html\" target=\"_blank\" rel=\"noopener\">ssl::stream::set_verify_callback()<\/a><\/li>\n<\/ul>\n<p>\u7b80\u5355\u60c5\u51b5\u4e0b\u8bc1\u4e66\u9a8c\u8bc1\u89c4\u5219\u4e3aRFC2818(HTTPS\u4e0b\u8bc1\u4e66\u9a8c\u8bc1), Boost.Asio \u63d0\u4f9b\u4e00\u4e2a\u53ef\u91cd\u7528\u7684\u8bc1\u4e66\u9a8c\u8bc1\u56de\u8c03\u51fd\u6570\u5bf9\u8c61:<\/p>\n<ul type=\"disc\">\n<li><a title=\"ssl::rfc2818_verification\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__rfc2818_verification.html\" target=\"_blank\" rel=\"noopener\">ssl::rfc2818_verification<\/a><\/li>\n<\/ul>\n<p>\u4e0b\u4f8b\u6f14\u793a\u7528HTTPS\u7684\u65b9\u5f0f\u9a8c\u8bc1\u8fdc\u7a0b\u4e3b\u673a\u7684\u8bc1\u4e66:<\/p>\n<pre>using boost::asio::ip::tcp;<\/pre>\n<pre>namespace ssl = boost::asio::ssl;<\/pre>\n<pre>typedef ssl::stream&lt;tcp::socket&gt; ssl_socket;<\/pre>\n<pre><\/pre>\n<pre>\/\/ Create a context that uses the default paths for<\/pre>\n<pre>\/\/ finding CA certificates.<\/pre>\n<pre>ssl::context ctx(ssl::context::sslv23);<\/pre>\n<pre>ctx.set_default_verify_paths();<\/pre>\n<pre><\/pre>\n<pre>\/\/ Open a socket and connect it to the remote host.<\/pre>\n<pre>boost::asio::io_service io_service;<\/pre>\n<pre>ssl_socket sock(io_service, ctx);<\/pre>\n<pre>tcp::resolver resolver(io_service);<\/pre>\n<pre>tcp::resolver::query query(\"host.name\", \"https\");<\/pre>\n<pre>boost::asio::connect(sock.lowest_layer(), resolver.resolve(query));<\/pre>\n<pre>sock.lowest_layer().set_option(tcp::no_delay(true));<\/pre>\n<pre><\/pre>\n<pre>\/\/ Perform SSL handshake and verify the remote host's<\/pre>\n<pre>\/\/ certificate.<\/pre>\n<pre>sock.set_verify_mode(ssl::verify_peer);<\/pre>\n<pre>sock.set_verify_callback(ssl::rfc2818_verification(\"host.name\"));<\/pre>\n<pre>sock.handshake(ssl_socket::client);<\/pre>\n<pre><\/pre>\n<pre>\/\/ ... read and write as normal ...<\/pre>\n<h4><a target=\"_blank\" name=\"t56\"><\/a>SSL\u548c\u7ebf\u7a0b<\/h4>\n<p>SSL\u6d41\u5bf9\u8c61\u5728\u65e0\u9501\u5b9a\u7684\u60c5\u51b5\u4e0b\u6267\u884c.\u56e0\u6b64,\u5f02\u6b65\u6267\u884cSSL\u90fd\u9700\u8981\u9690\u5f0f\u6216\u663e\u5f0f\u7684\u5e94\u7528strand.\u6ce8\u610f\u8fd9\u610f\u5473\u7740\u5728\u5355\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\u4e0d\u9700\u540c\u6b65\u63a7\u5236(\u4e0d\u5fc5\u4f7f\u7528\u9501).<\/p>\n<h4><a target=\"_blank\" name=\"t57\"><\/a>\u6ce8\u610f<\/h4>\n<p>OpenSSL\u9700\u8981Boost.Asio\u7684SSL\u652f\u6301.\u5f53\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u672a\u7531Boost.Asio\u5305\u88c5\u7684OpenSSL\u529f\u80fd\u65f6,\u5e95\u5c42\u7684OpenSSL\u7c7b\u53ef\u901a\u8fc7\u8c03\u7528<a title=\"ssl::context::native_handle\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__context\/native_handle.html\" target=\"_blank\" rel=\"noopener\">ssl::context::native_handle()<\/a>\u00a0\u6216<a title=\"ssl::stream::native_handle\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__stream\/native_handle.html\" target=\"_blank\" rel=\"noopener\">ssl::stream::native_handle()<\/a>\u83b7\u5f97.<\/p>\n<h3><a target=\"_blank\" name=\"t58\"><\/a>C++2011\u652f\u6301<\/h3>\n<h4><a target=\"_blank\" name=\"t59\"><\/a>\u53ef\u79fb\u52a8IO\u5bf9\u8c61<\/h4>\n<p>C++\u652f\u6301\u79fb\u52a8\u5bf9\u8c61\u540e(\u901a\u8fc7\u53f3\u503c\u5f15\u7528),Boost.Asio\u53ef\u4ee5\u5bf9socket,\u4e32\u53e3,POSIX\u63cf\u8ff0\u7b26\u548cWindows\u53e5\u67c4\u8fdb\u884c\u79fb\u52a8\u6784\u9020\u548c\u8d4b\u503c.<\/p>\n<p>\u901a\u8fc7\u79fb\u52a8\u5bf9\u8c61\u53ef\u5b9e\u73b0\u5982\u4e0b\u4ee3\u7801:<\/p>\n<pre>tcp::socket make_socket(io_service&amp; i)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 tcp::socket s(i);<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>\u00a0 std::move(s);<\/pre>\n<pre>}<\/pre>\n<p>\u6216:<\/p>\n<pre>class connection : public enable_shared_from_this&lt;connection&gt;<\/pre>\n<pre>{<\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 tcp::socket socket_;<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>public:<\/pre>\n<pre>\u00a0 connection(tcp::socket&amp;&amp; s) : socket_(std::move(s)) {}<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>};<\/pre>\n<pre><\/pre>\n<pre>...<\/pre>\n<pre><\/pre>\n<pre>class server<\/pre>\n<pre>{<\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 tcp::acceptor acceptor_;<\/pre>\n<pre>\u00a0 tcp::socket socket_;<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>\u00a0 void handle_accept(error_code ec)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (!ec)<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::make_shared&lt;connection&gt;(std::move(socket_))-&gt;go();<\/pre>\n<pre>\u00a0\u00a0\u00a0 acceptor_.async_accept(socket_, ...);<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>};<\/pre>\n<p>\u540c\u65f6:<\/p>\n<pre>std::vector&lt;tcp::socket&gt; sockets;<\/pre>\n<pre>sockets.push_back(tcp::socket(...));<\/pre>\n<p>\u4e00\u5b57\u771f\u8a00:\u5f53\u5f02\u6b65\u64cd\u4f5c\u6302\u8d77\u65f6\u662f\u53ef\u4ee5\u7ee7\u7eed\u79fb\u52a8\u5bf9\u8c61\u7684,\u4f46\u8fd9\u4e0d\u662f\u4e00\u4e2a\u597d\u4e3b\u610f.\u7279\u522b\u662f\u64cd\u4f5c\u7531\u5982async_read()\u7b49\u51fd\u6570\u89e6\u53d1\u65f6\u5176\u5f15\u7528\u4e86\u6d41\u5bf9\u8c61.\u5728\u64cd\u4f5c\u671f\u95f4\u79fb\u52a8\u5bf9\u8c61\u5c06\u4f1a\u5bfc\u81f4\u76f8\u5e94\u64cd\u4f5c\u8bbf\u95ee\u5df2\u79fb\u52a8\u7684\u5bf9\u8c61.<\/p>\n<p>\u79fb\u52a8\u652f\u6301\u5728g++4.5\u53ca\u4ee5\u540e\u7248\u672c\u52a0\u5165<code>-std=c++0x<\/code>\u00a0\u6216\u00a0<code>-std=gnu++0x<\/code>\u7f16\u8bd1\u9009\u9879\u5373\u53ef\u81ea\u52a8\u652f\u6301.\u53ef\u901a\u8fc7BOOST_ASIO_DISABLE_MOVE\u5b9a\u4e49\u5b8f\u7981\u7528\u6216BOOST_ASIO_HAS_MOVE\u5b8f\u6fc0\u6d3b.\u6ce8\u610f\u8fd9\u4e9b\u5b8f\u8fd8\u4f1a\u5f71\u54cd\u53ef\u79fb\u52a8\u53e5\u67c4.<\/p>\n<h4><a target=\"_blank\" name=\"t60\"><\/a>\u53ef\u79fb\u52a8\u53e5\u67c4<\/h4>\n<p>\u4f18\u5316\u540e,\u7528\u6237\u5b9a\u4e49\u7684\u5b8c\u6210\u53e5\u67c4\u53ef\u652f\u6301\u79fb\u52a8\u6784\u9020,Boost.Asio\u7684\u5b9e\u73b0\u4f1a\u4f18\u5148\u4e8e\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u4f7f\u7528\u79fb\u52a8\u6784\u9020\u51fd\u6570.\u5f53\u524d\u73af\u5883\u4e0b,Boost.Asio\u4e5f\u53ef\u80fd\u53bb\u9664\u6240\u6709\u53e5\u67c4\u7684\u62f7\u8d1d\u6784\u9020\u51fd\u6570.\u7136\u800c,\u53e5\u67c4\u7c7b\u578b\u8fd8\u662f\u9700\u8981\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u7684.<\/p>\n<p>\u5f53\u6fc0\u6d3b\u79fb\u52a8\u652f\u6301,\u5f02\u6b65\u4ee3\u7801\u4e3a:<\/p>\n<pre>template &lt;typename Handler&gt;<\/pre>\n<pre>void async_XYZ(..., Handler handler);<\/pre>\n<p>\u5b9e\u9645\u4e0a\u58f0\u660e\u4e3a:<\/p>\n<pre>template &lt;typename Handler&gt;<\/pre>\n<pre>void async_XYZ(..., Handler&amp;&amp; handler);<\/pre>\n<p>\u53e5\u67c4\u53c2\u6570\u5728async_XYZ\u51fd\u6570\u4f53\u5185\u90e8\u5b8c\u7f8e\u7684\u4f20\u9012,\u5e76\u53d1\u751f\u4e86\u79fb\u52a8\u6784\u9020.\u8fd9\u53ef\u786e\u4fdd\u51fd\u6570\u7684\u6240\u6709\u5176\u4ed6\u53c2\u6570\u90fd\u4f1a\u63d0\u524d\u8bc4\u4f30\u79fb\u52a8.\u5c24\u5176\u662f\u5728async_XYZ()\u7684\u5176\u4ed6\u53c2\u6570\u4e3a\u53e5\u67c4\u7684\u6210\u5458\u65f6\u66f4\u91cd\u8981.\u4f8b\u5982:<\/p>\n<pre>struct my_operation<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 shared_ptr&lt;tcp::socket&gt; socket;<\/pre>\n<pre>\u00a0 shared_ptr&lt;vector&lt;char&gt;&gt; buffer;<\/pre>\n<pre>\u00a0 ...<\/pre>\n<pre>\u00a0 void operator(error_code ec, size_t length)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 ...<\/pre>\n<pre>\u00a0\u00a0\u00a0 socket-&gt;async_read_some(boost::asio::buffer(*buffer), std::move(*this));<\/pre>\n<pre>\u00a0\u00a0\u00a0 ...<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>};<\/pre>\n<p>\u79fb\u52a8\u652f\u6301\u5728g++4.5\u53ca\u4ee5\u540e\u7248\u672c\u52a0\u5165<code>-std=c++0x<\/code>\u00a0\u6216\u00a0<code>-std=gnu++0x<\/code>\u7f16\u8bd1\u9009\u9879\u5373\u53ef\u81ea\u52a8\u652f\u6301.\u53ef\u901a\u8fc7BOOST_ASIO_DISABLE_MOVE\u5b9a\u4e49\u5b8f\u7981\u7528\u6216BOOST_ASIO_HAS_MOVE\u5b8f\u6fc0\u6d3b.\u6ce8\u610f\u8fd9\u4e9b\u5b8f\u8fd8\u4f1a\u5f71\u54cd\u53ef\u79fb\u52a8IO\u5bf9\u8c61.<\/p>\n<h4><a target=\"_blank\" name=\"t61\"><\/a>\u53ef\u53d8\u53c2\u6a21\u677f<\/h4>\n<p>\u5982\u679c\u7f16\u8bd1\u5668\u652f\u6301,Boost.Asio\u53ef\u4ee5\u4f7f\u7528\u53ef\u53d8\u53c2\u6a21\u677f\u5b9e\u73b0<a title=\"basic_socket_streambuf::connect\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket_streambuf\/connect.html\" target=\"_blank\" rel=\"noopener\">basic_socket_streambuf::connect()<\/a>\u548c<a title=\"basic_socket_iostream::connect\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_socket_iostream\/connect.html\" target=\"_blank\" rel=\"noopener\">basic_socket_iostream::connect()<\/a>\u51fd\u6570.<\/p>\n<p>\u53ef\u53d8\u53c2\u6a21\u677f\u652f\u6301\u5728g++4.3\u53ca\u4ee5\u540e\u7248\u672c\u4e2d\u7684\u7f16\u8bd1\u671f\u6dfb\u52a0<code>-std=c++0x<\/code>\u00a0\u6216\u00a0<code>-std=gnu++0x<\/code>\u7f16\u8bd1\u9009\u9879\u4f1a\u81ea\u52a8\u6fc0\u6d3b.\u53ef\u4f7f\u7528BOOST_ASIO_DISABLE_VARIADIC_TEMPLATES\u5b8f\u7981\u7528,\u4f7f\u7528BOOST_ASIO_HAS_VARIADIC_TEMPLATES\u5b8f\u6fc0\u6d3b.<\/p>\n<h4><a target=\"_blank\" name=\"t62\"><\/a>\u6570\u7ec4\u5bb9\u5668<\/h4>\n<p>\u7531\u4e8e\u6807\u51c6\u5e93\u63d0\u4f9b\u4e86std::array&lt;&gt;,Boost.Asio:<\/p>\n<ul type=\"disc\">\n<li>\u4e3abuffer()\u51fd\u6570\u63d0\u4f9b\u4e86\u91cd\u8f7d.<\/li>\n<li>\u76f8\u5bf9\u4e8e<a title=\"ip::address_v4::bytes_type\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address_v4\/bytes_type.html\" target=\"_blank\" rel=\"noopener\">ip::address_v4::bytes_type<\/a>\u548c<a title=\"ip::address_v6::bytes_type\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__address_v6\/bytes_type.html\" target=\"_blank\" rel=\"noopener\">ip::address_v6::bytes_type<\/a>\u4f18\u5148\u4f7f\u7528boost::array&lt;&gt;.<\/li>\n<li>\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u7ec4\u4f18\u5148\u4f7f\u7528boost::array&lt;&gt;.<\/li>\n<\/ul>\n<p>G++4.3\u53ca\u4ee5\u540e\u7248\u672c\u4e2d\u52a0\u4e0a<code>-std=c++0x<\/code>\u00a0\u6216\u00a0<code>-std=gnu++0x<\/code>\u7f16\u8bd1\u9009\u9879\u5373\u53ef\u81ea\u52a8\u6fc0\u6d3bstd::array&lt;&gt;,\u540c\u65f6VC++10\u4e5f\u652f\u6301.\u4f7f\u7528BOOST_ASIO_DISABLE_STD_ARRAY\u5b8f\u7981\u7528,\u6216BOOST_ASIO_HAS_STD_ARRAY\u5b8f\u6fc0\u6d3b.<\/p>\n<h4><a target=\"_blank\" name=\"t63\"><\/a>\u539f\u8bed<\/h4>\n<p>Boost.Asio\u7684\u5b9e\u73b0\u76f8\u5bf9\u4e8eboost::detail::atomic_count\u4f18\u5148\u4f7f\u7528std::atomic&lt;&gt;.<\/p>\n<p>\u5728g++4.5\u53ca\u4ee5\u540e\u7248\u672c\u4e2d\u52a0\u5165<code>-std=c++0x<\/code>\u00a0\u6216\u00a0<code>-std=gnu++0x<\/code>\u7f16\u8bd1\u9009\u9879\u5373\u53ef\u6fc0\u6d3b\u6807\u51c6\u7684\u539f\u8bed\u6574\u6570\u6a21\u677f.\u53ef\u4f7f\u7528BOOST_ASIO_DISABLE_STD_ATOMIC\u5b8f\u7981\u7528,\u6216BOOST_ASIO_HAS_STD_ATOMIC\u5b8f\u542f\u7528.<\/p>\n<h4><a target=\"_blank\" name=\"t64\"><\/a>\u5171\u4eab\u6307\u9488<\/h4>\n<p>Boost.Asio \u4f18\u5148\u4f7f\u7528std::shared_ptr&lt;&gt;\u548cstd::weak_ptr&lt;&gt;.<\/p>\n<h3>\u5728g++4.3\u53ca\u4ee5\u540e\u7248\u672c\u4e2d\u7f16\u8bd1\u671f\u6dfb\u52a0\u7f16\u8bd1\u9009\u9879\u5219\u4f1a\u81ea\u52a8\u6fc0\u6d3b\u667a\u80fd\u6307\u9488,MC++10\u4e5f\u540c\u6837.\u53ef\u5b9a\u4e49BOOST_ASIO_DISABLE_STD_SHARED_PTR\u5b8f\u7981\u7528,\u7528BOOST_ASIO_HAS_STD_SHARED_PTR\u5b8f\u6fc0\u6d3b.<\/h3>\n<h4><a target=\"_blank\" name=\"t66\"><\/a><a title=\"Chrono\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/overview\/cpp2011\/chrono.html\" target=\"_blank\" rel=\"noopener\">Chrono<\/a><\/h4>\n<p>Boost.Asio\u57fa\u4e8estd::chrono\u673a\u5236\u901a\u8fc7<a title=\"basic_waitable_timer\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_waitable_timer.html\" target=\"_blank\" rel=\"noopener\">basic_waitable_timer<\/a>\u7c7b\u6a21\u677f\u63d0\u4f9b\u4e86\u57fa\u672c\u7684\u5b9a\u65f6\u5668\u529f\u80fd.<a title=\"system_timer\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/system_timer.html\" target=\"_blank\" rel=\"noopener\">system_timer<\/a>,<a title=\"steady_timer\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/steady_timer.html\" target=\"_blank\" rel=\"noopener\">steady_timer<\/a>\u00a0\u548c\u00a0<a title=\"high_resolution_timer\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/high_resolution_timer.html\" target=\"_blank\" rel=\"noopener\">high_resolution_timer<\/a>\u5206\u522b\u4f7f\u7528system_clock, steady_clock \u548c high_resolution_clock\u6807\u51c6\u65f6\u949f.<\/p>\n<p>g++4.6\u7ea7\u4ee5\u540e\u7248\u672c\u6dfb\u52a0<code>-std=c++0x<\/code>\u00a0\u6216\u00a0<code>-std=gnu++0x<\/code>\u7f16\u8bd1\u9009\u9879\u5373\u53ef\u81ea\u52a8\u652f\u6301std::chrono.(\u6ce8\u610f,g++\u4e2d\u4f7f\u7528monotonic_clock\u66ff\u4ee3steady_clock.)\u4f7f\u7528BOOST_ASIO_DISABLE_STD_CHRONO\u5b8f\u7981\u7528, BOOST_ASIO_HAS_STD_CHRONO\u5b8f\u6fc0\u6d3b.<\/p>\n<p>\u5982\u679cchrono\u4e0d\u53ef\u7528,\u53ef\u4f7f\u7528Boost.Chrono\u5e93.\u00a0<a title=\"basic_waitable_timer\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_waitable_timer.html\" target=\"_blank\" rel=\"noopener\">basic_waitable_timer<\/a>\u7c7b\u4ecd\u53ef\u7528.<\/p>\n<h2><a target=\"_blank\" name=\"t67\"><\/a>\u4f7f\u7528Boost.Asio<\/h2>\n<h3><a target=\"_blank\" name=\"t68\"><\/a>\u652f\u6301\u5e73\u53f0<\/h3>\n<p>\u5728\u5982\u4e0b\u5e73\u53f0\u548c\u7f16\u8bd1\u5668\u4e0b\u6d4b\u8bd5\u901a\u8fc7:<\/p>\n<ul type=\"disc\">\n<li>Win32 and Win64 using Visual C++ 7.1 and Visual C++ 8.0.<\/li>\n<li>Win32 using MinGW.<\/li>\n<li>Win32 using Cygwin. (__USE_W32_SOCKETS must be defined.)<\/li>\n<li>Linux (2.4 or 2.6 kernels) using g++ 3.3 or later.<\/li>\n<li>Solaris using g++ 3.3 or later.<\/li>\n<li>Mac OS X 10.4 using g++ 3.3 or later.<\/li>\n<\/ul>\n<p>\u4e5f\u53ef\u7528\u4e8e\u5982\u4e0b\u5e73\u53f0:<\/p>\n<ul type=\"disc\">\n<li>AIX 5.3 using XL C\/C++ v9.<\/li>\n<li>HP-UX 11i v3 using patched aC++ A.06.14.<\/li>\n<li>QNX Neutrino 6.3 using g++ 3.3 or later.<\/li>\n<li>Solaris using Sun Studio 11 or later.<\/li>\n<li>Tru64 v5.1 using Compaq C++ v7.1.<\/li>\n<li>Win32 using Borland C++ 5.9.2<\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t69\"><\/a>\u4f9d\u8d56<\/h3>\n<p>\u4e3a\u4f7f\u7a0b\u5e8f\u53ef\u8fde\u63a5\u5230Boost.Asio\u5982\u4e0b\u5e93\u5fc5\u987b\u53ef\u7528:<\/p>\n<ul type=\"disc\">\n<li>\u63d0\u4f9bboost::system::error_code \u548c boost::system::system_error \u7684Boost.System\u5e93.<\/li>\n<li>\u5982\u679c\u4f7f\u7528\u5e26boost::regex\u53c2\u6570\u91cd\u8f7d\u7684read_until()\u6216async_read_until()\u51fd\u6570,\u9700\u8981Boost.Regex\u5e93.<\/li>\n<li>\u5982\u679c\u4f7f\u7528\u4e86Boost.Asio\u7684SSL\u652f\u6301\u9700\u8981OpenSSL\u5e93.<\/li>\n<\/ul>\n<p>\u800c\u4e14\u6709\u4e9b\u8303\u4f8b\u9700\u8981Boost.Thread, Boost.Date_Time \u6216 Boost.Serialization\u5e93\u7684\u652f\u6301.<\/p>\n<table border=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td rowspan=\"2\" valign=\"top\"><\/td>\n<td><strong>\u6ce8\u610fNote<\/strong><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\u5728MSVC\u6216Borland C++\u4e2d\u53ef\u4ee5\u5728\u9879\u76ee\u8bbe\u7f6e\u52a0\u5165-DBOOST_DATE_TIME_NO_LIB \u548c -DBOOST_REGEX_NO_LIB\u6765\u7981\u6b62\u5206\u522b\u5bf9\u5e93Boost.Date_Time \u548c Boost.Regex\u7684\u81ea\u52a8\u8fde\u63a5.\u5426\u5219\u9700\u8981\u751f\u6210\u8fd9\u4e9b\u5e93\u5e76\u8fdb\u884c\u8fde\u63a5.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><a target=\"_blank\" name=\"t70\"><\/a>\u751f\u6210Boost\u5e93<\/h3>\n<p>\u53ef\u4ee5\u6309\u9700\u8981\u751f\u6210Boost\u7684\u5b50\u5e93,\u4e0b\u4f8b\u5728Boost\u7684\u6839\u76ee\u5f55\u4e2d\u8fd0\u884c\u547d\u4ee4\u884c:<\/p>\n<pre>bjam --with-system --with-thread --with-date_time --with-regex --with-serialization stage<\/pre>\n<p>\u8fd9\u91cc\u5047\u8bbe\u5df2\u7ecf\u751f\u6210\u4e86bjam.\u66f4\u591a\u4fe1\u606f\u89c1Boost.Build\u6587\u6863.<\/p>\n<h3><a target=\"_blank\" name=\"t71\"><\/a>\u53ef\u9009\u7684\u72ec\u7acb\u7f16\u8bd1<\/h3>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b,Boost.Asio\u4ec5\u662f\u4e00\u4e2a\u6709\u5934\u6587\u4ef6\u7684\u5e93.\u7136\u800c,\u6709\u4e9b\u5f00\u53d1\u8005\u66f4\u613f\u610f\u5206\u5f00\u7f16\u8bd1Boost.Asio\u7684\u6e90\u7801.\u53ea\u9700\u8981\u5728\u7a0b\u5e8f\u7684\u6e90\u6587\u4ef6\u4e2d\u52a0\u5165#include<code><\/code>&lt;boost\/asio\/impl\/src.hpp&gt;,\u800c\u540e\u5728\u9879\u76ee\/\u7f16\u8bd1\u5668\u8bbe\u7f6e\u4e2d\u52a0\u5165BOOST_ASIO_SEPARATE_COMPILATION\u7f16\u8bd1\u9009\u9879\u5e76\u8fdb\u884c\u7f16\u8bd1.\u6216\u8005\u4f7f\u7528BOOST_ASIO_DYN_LINK\u9009\u9879\u5c06Boost.Asio\u72ec\u7acb\u7f16\u8bd1\u4e3a\u9759\u6001\u5e93.<\/p>\n<p>\u5982\u679c\u4f7f\u7528Boost.Asio\u7684SSL\u652f\u6301,\u9700\u8981\u52a0\u5165#include<code>\u00a0<\/code>&lt;boost\/asio\/ssl\/impl\/src.hpp&gt;.<\/p>\n<h3><a target=\"_blank\" name=\"t72\"><\/a>\u5b8f<\/h3>\n<p>\u4e0b\u8868\u4e2d\u7684\u5b8f\u53ef\u7528\u6765\u63a7\u5236Boost.Asio\u7684\u884c\u4e3a.<\/p>\n<table border=\"1\" width=\"106%\" cellpadding=\"0\">\n<thead>\n<tr>\n<td><strong>\u5b8fMacro<\/strong><\/td>\n<td><strong>\u63cf\u8ff0Description<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>BOOST_ASIO_ENABLE_BUFFER_DEBUGGING<\/td>\n<td>\u6fc0\u6d3bBoost.Asio\u7684\u7f13\u51b2\u533a\u8c03\u8bd5\u652f\u6301,\u53ef\u5e2e\u52a9\u8bc6\u522b\u51fa\u5728\u8bfb\u5199\u4e2d\u5f15\u7528\u7684\u65e0\u6548\u7f13\u51b2\u533a(\u4f8b\u5982,\u5411std::string\u5199\u6570\u636e,\u4f46\u5728\u64cd\u4f5c\u5b8c\u6210\u524d\u5c31\u5df2\u7ecf\u88ab\u91ca\u653e\u4e86).<\/p>\n<p>\u5728Microsoft Visual C++\u4e2d,\u5982\u679c\u6fc0\u6d3b\u7f16\u8bd1\u5668\u7684\u8fed\u4ee3\u8c03\u8bd5\u652f\u6301\u8fd9\u4e2a\u5b8f\u4f1a\u81ea\u52a8\u5b9a\u4e49,\u5426\u5219\u9700\u8981\u5b9a\u4e49BOOST_ASIO_DISABLE_BUFFER_DEBUGGING.<\/p>\n<p>\u5728G++\u4e2d,\u5982\u679c\u542f\u52a8\u6807\u51c6\u5e93\u8c03\u8bd5(\u5b9a\u4e49\u4e86_GLIBCXX_DEBUG\u5b8f)\u8fd9\u4e2a\u5b8f\u4f1a\u81ea\u52a8\u5b9a\u4e49,\u5426\u5219\u9700\u8981\u5b9a\u4e49BOOST_ASIO_DISABLE_BUFFER_DEBUGGING \u5b8f.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_DISABLE_BUFFER_DEBUGGING<\/td>\n<td>\u663e\u5f0f\u7684\u5173\u95edBoost.Asio\u7f13\u51b2\u533a\u8c03\u8bd5\u652f\u6301.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_DISABLE_DEV_POLL<\/td>\n<td>\u663e\u5f0f\u5173\u95edSolaris\u7684<code>\/dev\/poll<\/code>\u652f\u6301,\u5f3a\u5236\u4f7f\u7528select-based\u5b9e\u73b0.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_DISABLE_EPOLL<\/td>\n<td>\u663e\u5f0f\u5173\u95edLinux\u7684epoll\u652f\u6301,\u5f3a\u5236\u4f7f\u7528select-based\u5b9e\u73b0.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_DISABLE_EVENTFD<\/td>\n<td>\u663e\u5f0f\u5173\u95edLinux\u7684eventfd\u652f\u6301,\u5f3a\u5236\u4f7f\u7528\u7ba1\u9053\u8fdb\u884c\u4e2d\u65ad\u963b\u585e\u7684epoll\/select\u7cfb\u7edf\u8c03\u7528.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_DISABLE_KQUEUE<\/td>\n<td>Explicitly disables kqueue support on Mac OS X and BSD variants, forcing the use of a select-based implementation.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_DISABLE_IOCP<\/td>\n<td>Explicitly disables I\/O completion ports support on Windows, forcing the use of a select-based implementation.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_DISABLE_THREADS<\/td>\n<td>Explicitly disables Boost.Asio&#8217;s threading support, independent of whether or not Boost as a whole supports threads.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN<\/td>\n<td>By default, Boost.Asio will automatically define WIN32_LEAN_AND_MEAN when compiling for Windows, to minimise the number of Windows SDK header files and features that are included. The presence of BOOST_ASIO_NO_WIN32_LEAN_AND_MEAN prevents WIN32_LEAN_AND_MEAN from being defined.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_NO_NOMINMAX<\/td>\n<td>By default, Boost.Asio will automatically define NOMINMAX when compiling for Windows, to suppress the definition of the min() and max() macros. The presence of BOOST_ASIO_NO_NOMINMAX prevents NOMINMAX from being defined.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_NO_DEFAULT_LINKED_LIBS<\/td>\n<td>When compiling for Windows using Microsoft Visual C++ or Borland C++, Boost.Asio will automatically link in the necessary Windows SDK libraries for sockets support (i.e.<code>ws2_32.lib<\/code>\u00a0and\u00a0<code>mswsock.lib<\/code>, or\u00a0<code>ws2.lib<\/code>\u00a0when building for Windows CE). The BOOST_ASIO_NO_DEFAULT_LINKED_LIBS macro prevents these libraries from being linked.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY<\/td>\n<td>Determines the maximum number of arguments that may be passed to the basic_socket_streambuf class template&#8217;s connect member function. Defaults to 5.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_SOCKET_IOSTREAM_MAX_ARITY<\/td>\n<td>Determines the maximum number of arguments that may be passed to the basic_socket_iostream class template&#8217;s constructor and connect member function. Defaults to 5.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_ENABLE_CANCELIO<\/td>\n<td>Enables use of the CancelIo function on older versions of Windows. If not enabled, calls to cancel() on a socket object will always fail with asio::error::operation_not_supported when run on Windows XP, Windows Server 2003, and earlier versions of Windows. When running on Windows Vista, Windows Server 2008, and later, the CancelIoEx function is always used.<\/p>\n<p>The CancelIo function has two issues that should be considered before enabling its use:<\/p>\n<p>* It will only cancel asynchronous operations that were initiated in the current thread.<\/p>\n<p>* It can appear to complete without error, but the request to cancel the unfinished operations may be silently ignored by the operating system. Whether it works or not seems to depend on the drivers that are installed.<\/p>\n<p>For portable cancellation, consider using one of the following alternatives:<\/p>\n<p>* Disable asio&#8217;s I\/O completion port backend by defining BOOST_ASIO_DISABLE_IOCP.<\/p>\n<p>* Use the socket object&#8217;s close() function to simultaneously cancel the outstanding operations and close the socket.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_NO_TYPEID<\/td>\n<td>Disables uses of the typeid operator in Boost.Asio. Defined automatically if BOOST_NO_TYPEID is defined.<\/td>\n<\/tr>\n<tr>\n<td>BOOST_ASIO_HASH_MAP_BUCKETS<\/td>\n<td>Determines the number of buckets in Boost.Asio&#8217;s internal hash_map objects. The value should be a comma separated list of prime numbers, in ascending order. The hash_map implementation will automatically increase the number of buckets as the number of elements in the map increases.<\/p>\n<p>Some examples:<\/p>\n<p>* Defining BOOST_ASIO_HASH_MAP_BUCKETS to 1021 means that the hash_map objects will always contain 1021 buckets, irrespective of the number of elements in the map.<\/p>\n<p>* Defining BOOST_ASIO_HASH_MAP_BUCKETS to 53,389,1543 means that the hash_map objects will initially contain 53 buckets. The number of buckets will be increased to 389 and then 1543 as elements are added to the map.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><a target=\"_blank\" name=\"t73\"><\/a>\u90ae\u4ef6\u5217\u8868<\/h3>\n<p>Boost.Asio \u7684\u90ae\u4ef6\u5217\u8868\u53ef\u4ece<a href=\"http:\/\/sourceforge.net\/mail\/?group_id=122478\" target=\"_blank\" rel=\"noopener\">SourceForge.net<\/a>\u67e5\u627e.\u65b0\u95fb\u7ec4\u89c1<a href=\"http:\/\/dir.gmane.org\/gmane.comp.lib.boost.asio.user\" target=\"_blank\" rel=\"noopener\">Gmane<\/a>.<\/p>\n<h3><a target=\"_blank\" name=\"t74\"><\/a><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/using.html#boost_asio.using.wiki\" target=\"_blank\" rel=\"noopener\">Wiki<\/a><\/h3>\n<p>\u7528\u6237\u901a\u5e38\u53d7\u76ca\u4e8eBoost.Asio WIKI\u4e0a\u7684\u5171\u4eab\u8303\u4f8b,\u63d0\u793a\u548cFAQ.,\u8bf7\u89c1<a href=\"http:\/\/think-async.com\/Asio\/\" target=\"_blank\" rel=\"noopener\">http:\/\/think-async.com\/Asio\/<\/a>.<\/p>\n<h2><a target=\"_blank\" name=\"t75\"><\/a>\u5165\u95e8\u6559\u7a0b<\/h2>\n<p>\u57fa\u672c\u6280\u80fd<\/p>\n<p>\u5165\u95e8\u6559\u7a0b\u7684\u7b2c\u4e00\u5c0f\u8282\u4ecb\u7ecd\u4f7f\u7528asio\u5de5\u5177\u7684\u57fa\u672c\u6982\u5ff5.\u5728\u5f00\u53d1\u590d\u6742\u7684\u7f51\u7edc\u7a0b\u5e8f\u524d,\u8303\u4f8b\u7a0b\u5e8f\u9610\u8ff0\u4f7f\u7528\u5f02\u6b65\u5b9a\u65f6\u5668\u7684\u57fa\u672c\u6280\u5de7.<\/p>\n<ul type=\"disc\">\n<li><a title=\"Timer.1 - Using a timer synchronously\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tuttimer1.html\" target=\"_blank\" rel=\"noopener\">Timer.1 &#8211; Using a timer synchronously<\/a>\u00a0\u540c\u6b65\u5b9a\u65f6\u7a0b\u5e8f<\/li>\n<li><a title=\"Timer.2 - Using a timer asynchronously\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tuttimer2.html\" target=\"_blank\" rel=\"noopener\">Timer.2 &#8211; Using a timer asynchronously<\/a>\u00a0\u5f02\u6b65\u5b9a\u65f6\u7a0b\u5e8f<\/li>\n<li><a title=\"Timer.3 - Binding arguments to a handler\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tuttimer3.html\" target=\"_blank\" rel=\"noopener\">Timer.3 &#8211; Binding arguments to a handler<\/a>\u5411\u5904\u7406\u51fd\u6570\u7ed1\u5b9a\u53c2\u6570<\/li>\n<li><a title=\"Timer.4 - Using a member function as a handler\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tuttimer4.html\" target=\"_blank\" rel=\"noopener\">Timer.4 &#8211; Using a member function as a handler<\/a>\u00a0\u4f7f\u7528\u6210\u5458\u51fd\u6570\u4f5c\u4e3a\u5904\u7406\u51fd\u6570<\/li>\n<li><a title=\"Timer.5 - Synchronising handlers in multithreaded programs\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tuttimer5.html\" target=\"_blank\" rel=\"noopener\">Timer.5 &#8211; Synchronising handlers in multithreaded programs<\/a>\u00a0\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\u7684\u5904\u7406\u51fd\u6570\u540c\u6b65<\/li>\n<\/ul>\n<p>Sockets\u7b80\u4ecb<\/p>\n<p>\u672c\u8282\u6559\u7a0b\u5c55\u793a\u5982\u4f55\u4f7f\u7528asio\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u7a0b\u5e8f.\u7a0b\u5e8f\u4f7f\u7528TCP\u548cUDP\u5b9e\u73b0\u4e86\u57fa\u672c\u7684daytime\u534f\u8bae.<\/p>\n<p>\u524d\u9762\u4e09\u4e2a\u7a0b\u5e8f\u4f7f\u7528TCP\u5b9e\u73b0daytime\u534f\u8bae.<\/p>\n<ul type=\"disc\">\n<li><a title=\"Daytime.1 - A synchronous TCP daytime client\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tutdaytime1.html\" target=\"_blank\" rel=\"noopener\">Daytime.1 &#8211; A synchronous TCP daytime client<\/a><\/li>\n<li><a title=\"Daytime.2 - A synchronous TCP daytime server\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tutdaytime2.html\" target=\"_blank\" rel=\"noopener\">Daytime.2 &#8211; A synchronous TCP daytime server<\/a><\/li>\n<li><a title=\"Daytime.3 - An asynchronous TCP daytime server\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tutdaytime3.html\" target=\"_blank\" rel=\"noopener\">Daytime.3 &#8211; An asynchronous TCP daytime server<\/a><\/li>\n<\/ul>\n<p>\u540e\u9762\u4e09\u4e2a\u7a0b\u5e8f\u4f7f\u7528UDP\u5b9e\u73b0daytime\u534f\u8bae.<\/p>\n<ul type=\"disc\">\n<li><a title=\"Daytime.4 - A synchronous UDP daytime client\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tutdaytime4.html\" target=\"_blank\" rel=\"noopener\">Daytime.4 &#8211; A synchronous UDP daytime client<\/a><\/li>\n<li><a title=\"Daytime.5 - A synchronous UDP daytime server\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tutdaytime5.html\" target=\"_blank\" rel=\"noopener\">Daytime.5 &#8211; A synchronous UDP daytime server<\/a><\/li>\n<li><a title=\"Daytime.6 - An asynchronous UDP daytime server\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tutdaytime6.html\" target=\"_blank\" rel=\"noopener\">Daytime.6 &#8211; An asynchronous UDP daytime server<\/a><\/li>\n<\/ul>\n<p>\u672c\u8282\u6700\u540e\u7684\u7a0b\u5e8f\u5c55\u793a\u5982\u4f55\u5728\u4e00\u4e2a\u7a0b\u5e8f\u4e2d\u4f7f\u7528asio\u6765\u7ec4\u5408TCP\u548cUDP\u670d\u52a1.<\/p>\n<ul type=\"disc\">\n<li><a title=\"Daytime.7 - A combined TCP\/UDP asynchronous server\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tutdaytime7.html\" target=\"_blank\" rel=\"noopener\">Daytime.7 &#8211; A combined TCP\/UDP asynchronous server<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t76\"><\/a>\u5b9a\u65f6\u56681-\u4f7f\u7528\u540c\u6b65\u5b9a\u65f6\u5668<\/h3>\n<p>\u672c\u6559\u7a0b\u6f14\u793a\u5982\u4f55\u4f7f\u7528asio\u7684\u5b9a\u65f6\u5668\u6267\u884c\u963b\u585e\u7b49\u5f85.<\/p>\n<p><strong>\u9700\u8981\u5305\u542b\u5fc5\u8981\u7684\u5934\u6587\u4ef6:<\/strong><\/p>\n<p>\u7b80\u5355\u7684\u5305\u542b&#8221;asio.hpp&#8221;\u5934\u6587\u4ef6\u5373\u53ef\u4f7f\u7528\u6240\u6709\u7684asio\u7c7b.<\/p>\n<pre>#include &lt;iostream&gt;<\/pre>\n<pre>#include &lt;boost\/asio.hpp&gt;<\/pre>\n<p>\u7531\u4e8e\u672c\u4f8b\u4f7f\u7528\u4e86\u5b9a\u65f6\u5668,\u9700\u8981\u5305\u542b\u76f8\u5e94\u7684Boost.Date_Time\u5934\u6587\u4ef6\u4ee5\u4fbf\u4e8e\u64cd\u4f5c\u5b9a\u65f6\u5668.<\/p>\n<pre>#include &lt;boost\/date_time\/posix_time\/posix_time.hpp&gt;<\/pre>\n<p>\u6240\u6709\u4f7f\u7528asio\u7684\u7a0b\u5e8f\u90fd\u8981\u521b\u5efa\u4e00\u4e2aio_service\u5bf9\u8c61.\u8fd9\u4e2a\u7c7b\u63d0\u4f9bIO\u529f\u80fd\u652f\u6301.\u5728main\u51fd\u6570\u4e2d\u9996\u5148\u58f0\u660e\u8fd9\u4e2a\u7c7b\u7684\u5bf9\u8c61.<\/p>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 boost::asio::io_service io;<\/pre>\n<p>\u63a5\u7740\u58f0\u660e\u4e00\u4e2aboost::asio::deadline_timer\u7c7b\u578b\u7684\u5bf9\u8c61.\u8fd9\u4e9b\u63d0\u4f9bIO\u529f\u80fd\u7684\u6838\u5fc3asio\u7c7b (\u6216\u662f\u5b9a\u65f6\u5668\u529f\u80fd)\u6784\u9020\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u603b\u662fio_service\u7c7b\u7684\u5b9e\u4f8b.\u7b2c\u4e8c\u4e2a\u53c2\u6570\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u4e3a\u4ece\u73b0\u5728\u8d775\u79d2\u949f\u4ee5\u540e.<\/p>\n<pre>\u00a0 boost::asio::deadline_timer t(io, boost::posix_time::seconds(5));<\/pre>\n<p>\u8fd9\u662f\u5728\u5b9a\u65f6\u5668\u4e0a\u963b\u585e\u7b49\u5f85\u7684\u7b80\u5355\u8303\u4f8b.\u8c03\u7528<a title=\"basic_deadline_timer::wait\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_deadline_timer\/wait.html\" target=\"_blank\" rel=\"noopener\">deadline_timer::wait()<\/a>\u4f1a\u5728\u5b9a\u65f6\u5668\u5230\u671f(5\u79d2\u949f)\u540e\u624d\u8fd4\u56de.<\/p>\n<p>\u5b9a\u65f6\u5668\u603b\u662f\u6709\u4e24\u4e2a\u72b6\u6001: &#8220;\u5230\u671f&#8221; \u6216 &#8220;\u672a\u5230\u671f&#8221;.\u5982\u679c<a title=\"basic_deadline_timer::wait\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_deadline_timer\/wait.html\" target=\"_blank\" rel=\"noopener\">deadline_timer::wait()<\/a>\u51fd\u6570\u5728\u4e00\u4e2a\u5df2\u8fc7\u671f\u7684\u65f6\u95f4\u4e0a\u6267\u884c,\u4f1a\u7acb\u5373\u8fd4\u56de.<\/p>\n<pre>\u00a0 t.wait();<\/pre>\n<p>\u6700\u540e\u5728\u65f6\u95f4\u5230\u671f\u540e\u8f93\u51fa\u8457\u540d\u7684&#8221;Hello, world!&#8221;\u6d88\u606f.<\/p>\n<pre>\u00a0 std::cout &lt;&lt; \"Hello, world!\\n\";<\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<h3><a target=\"_blank\" name=\"t77\"><\/a>\u5b9a\u65f6\u56682&#8211;\u5f02\u6b65\u4f7f\u7528\u5b9a\u65f6\u5668<\/h3>\n<p>\u672c\u8303\u4f8b\u4fee\u6539\u4e86time1\u8303\u4f8b,\u901a\u8fc7\u5728\u5b9a\u65f6\u5668\u4e0a\u5f02\u6b65\u7b49\u5f85\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528asio\u5f02\u6b65\u56de\u8c03\u529f\u80fd.<\/p>\n<pre>#include &lt;iostream&gt;<\/pre>\n<pre>#include &lt;boost\/asio.hpp&gt;<\/pre>\n<pre>#include &lt;boost\/date_time\/posix_time\/posix_time.hpp&gt;<\/pre>\n<p>\u4f7f\u7528asio\u7684\u5f02\u6b65\u529f\u80fd\u610f\u5473\u7740\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u56de\u8c03\u51fd\u6570,\u5728\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u540e\u6267\u884c.\u672c\u7a0b\u5e8f\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53eb\u505aprint\u7684\u51fd\u6570,\u5f02\u6b65\u7b49\u5f85\u5b8c\u6210\u540e\u8c03\u7528.<\/p>\n<pre>void print(const boost::system::error_code&amp; \/*e*\/)<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 std::cout &lt;&lt; \"Hello, world!\\n\";<\/pre>\n<pre>}<\/pre>\n<pre><\/pre>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 boost::asio::io_service io;<\/pre>\n<pre><\/pre>\n<pre>\u00a0 boost::asio::deadline_timer t(io, boost::posix_time::seconds(5));<\/pre>\n<p>\u63a5\u4e0b\u6765,\u66ff\u6362\u8303\u4f8b1\u4e2d\u7684\u963b\u585e\u7b49\u5f85.\u8c03\u7528<a title=\"basic_deadline_timer::async_wait\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_deadline_timer\/async_wait.html\" target=\"_blank\" rel=\"noopener\">deadline_timer::async_wait()<\/a>\u51fd\u6570\u6267\u884c\u5f02\u6b65\u7b49\u5f85.\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\u4f20\u9012\u4e86\u4e0a\u9762\u5b9a\u4e49\u7684print\u56de\u8c03\u51fd\u6570.<\/p>\n<pre>\u00a0 t.async_wait(&amp;print);<\/pre>\n<p>\u6700\u540e,\u5fc5\u987b\u5728io_service\u5bf9\u8c61\u4e0a\u8c03\u7528io_service::run()\u6210\u5458\u51fd\u6570.<\/p>\n<p>Asio\u5e93\u4fdd\u8bc1\u56de\u8c03\u51fd\u6570\u5728\u8c03\u7528\u4e86io_service::run()\u7684\u7ebf\u7a0b\u4e0a\u6267\u884c.\u56e0\u6b64\u53ea\u6709\u8c03\u7528\u4e86io_service::run()\u51fd\u6570,\u5f02\u6b65\u7b49\u5f85\u5b8c\u6210\u7684\u56de\u8c03\u51fd\u6570\u624d\u80fd\u88ab\u8c03\u7528.<\/p>\n<p>Io_service::run()\u5c06\u4f1a\u4e00\u76f4\u5728\u8fd0\u884c,\u56e0\u4e3a\u5176\u8fd8\u6709\u5de5\u4f5c\u8981\u505a.\u672c\u4f8b\u4e2d,\u8fd9\u4e2a\u5de5\u4f5c\u662f\u5f02\u6b65\u7b49\u5f85\u5b9a\u65f6\u5668,\u56e0\u6b64\u76f4\u5230\u5b9a\u65f6\u5668\u8fc7\u671f\u800c\u4e14\u56de\u8c03\u51fd\u6570\u6267\u884c\u5b8c\u6bd5,\u624d\u4f1a\u9000\u51fa.<\/p>\n<p>\u5728\u8c03\u7528io_service::run()\u524d\u4e3a\u5176\u6307\u5b9a\u5de5\u4f5c\u662f\u5f88\u91cd\u8981\u7684.\u4f8b\u5982,\u5982\u679c\u4e0a\u4f8b\u4e2d\u5fd8\u8bb0\u8c03\u7528<a title=\"basic_deadline_timer::async_wait\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_deadline_timer\/async_wait.html\" target=\"_blank\" rel=\"noopener\">deadline_timer::async_wait()<\/a>,io_service\u65e0\u4e8b\u53ef\u505a,\u5219io_service::run()\u8c03\u7528\u4f1a\u7acb\u5373\u8fd4\u56de.<\/p>\n<pre>\u00a0 io.run();<\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<h3><a target=\"_blank\" name=\"t78\"><\/a>\u5b9a\u65f6\u56683-\u5411\u5904\u7406\u5668\u4f20\u9012\u53c2\u6570<\/h3>\n<p>\u672c\u7a0b\u5e8f\u4eceTimer2\u7a0b\u5e8f\u4fee\u6539\u800c\u6765,\u5c06timer\u6539\u4e3a\u6bcf\u79d2\u89e6\u53d1\u4e00\u6b21.\u7528\u6765\u9610\u8ff0\u5982\u4f55\u5411\u5904\u7406\u51fd\u6570\u4f20\u9012\u5176\u4ed6\u53c2\u6570.<\/p>\n<pre>#include &lt;iostream&gt;<\/pre>\n<pre>#include &lt;boost\/asio.hpp&gt;<\/pre>\n<pre>#include &lt;boost\/bind.hpp&gt;<\/pre>\n<pre>#include &lt;boost\/date_time\/posix_time\/posix_time.hpp&gt;<\/pre>\n<p>\u4e3a\u4e86\u8ba9timer\u5faa\u73af\u7684\u8fc7\u671f,\u9700\u8981\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u4fee\u6539timer\u7684\u8fc7\u671f\u65f6\u95f4,\u800c\u540e\u5f00\u59cb\u4e00\u4e2a\u65b0\u7684\u5f02\u6b65\u7b49\u5f85.\u5f53\u7136\u5fc5\u987b\u8ba9\u56de\u8c03\u51fd\u6570\u53ef\u4ee5\u8bbf\u95ee\u5230timer\u5bf9\u8c61.\u8981\u5b9e\u73b0\u8fd9\u4e2a\u6548\u679c\u9700\u8981\u5411print\u51fd\u6570\u4f20\u9012\u4e24\u4e2a\u53c2\u6570:<\/p>\n<ul type=\"disc\">\n<li>\u6307\u5411timer\u5bf9\u8c61\u7684\u6307\u9488.<\/li>\n<li>Timer\u89e6\u53d1\u8ba1\u6570\u5668,\u4ee5\u4fbf\u4e8e\u5b9e\u73b0\u89e6\u53d16\u6b21\u540e\u7ed3\u675f\u7a0b\u5e8f\u8fd0\u884c.<\/li>\n<\/ul>\n<pre>void print(const boost::system::error_code&amp; \/*e*\/,<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::deadline_timer* t, int* count)<\/pre>\n<pre>{<\/pre>\n<p>\u5982\u4e0a\u6240\u8ff0,\u7a0b\u5e8f\u4f7f\u7528\u8ba1\u65f6\u5668\u6765\u505c\u6b62\u8fd0\u884c,\u5982\u679c\u5b9a\u65f6\u5668\u89e6\u53d1\u6d4b\u8bd5\u8d85\u8fc76\u6b21\u5219\u9000\u51fa.\u7136\u800c\u8fd9\u91cc\u5e76\u6ca1\u6709\u663e\u5f0f\u7684\u8ba9io_service\u505c\u6b62\u8fd0\u884c.\u5728\u5b9a\u65f6\u56682\u8303\u4f8b\u4e2d\u6211\u4eec\u77e5\u9053,\u53ea\u6709\u65e0\u4e8b\u53ef\u505a\u65f6io_service::run()\u624d\u4f1a\u9000\u51fa.\u5f53\u8ba1\u6570\u5668\u7b49\u4e8e5\u65f6\u5c31\u4e0d\u5728\u542f\u52a8\u65b0\u7684\u5f02\u6b65\u7b49\u5f85,\u5219io_service\u5b8c\u6210\u4e86\u5de5\u4f5c\u5e76\u505c\u6b62\u8fd0\u884c.<\/p>\n<pre>\u00a0 if (*count &lt; 5)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cout &lt;&lt; *count &lt;&lt; \"\\n\";<\/pre>\n<pre>\u00a0\u00a0\u00a0 ++(*count);<\/pre>\n<p>\u53e6\u5916\u5c06\u8fc7\u671f\u65f6\u95f4\u4ece\u524d\u4e00\u4e2a\u8fc7\u671f\u65f6\u95f4\u5411\u540e\u5ef6\u8fdf\u4e00\u79d2.\u5728\u539f\u6765\u57fa\u7840\u4e0a\u5b9a\u4e49\u65b0\u7684\u8fc7\u671f\u65f6\u95f4,\u53ef\u4ee5\u786e\u4fdd\u5b9a\u65f6\u5668\u6807\u8bb0\u7684\u79d2\u6570\u4e0d\u4f1a\u7531\u4e8e\u5904\u7406\u51fd\u6570\u6267\u884c\u800c\u5ef6\u65f6.<\/p>\n<pre>\u00a0\u00a0\u00a0 t-&gt;expires_at(t-&gt;expires_at() + boost::posix_time::seconds(1));<\/pre>\n<p>\u800c\u540e\u5728timer\u4e0a\u542f\u52a8\u4e00\u4e2a\u65b0\u7684\u5f02\u6b65\u7b49\u5f85.boost::bind()\u51fd\u6570\u7528\u6765\u5c06\u56de\u8c03\u51fd\u6570\u4e0e\u53c2\u6570\u76f8\u5173\u8054.<a title=\"basic_deadline_timer::async_wait\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_deadline_timer\/async_wait.html\" target=\"_blank\" rel=\"noopener\">deadline_timer::async_wait()<\/a>\u51fd\u6570\u5e0c\u671b\u7684\u56de\u8c03\u51fd\u6570\u5f62\u5f0f\u4e3avoid(const<code>\u00a0<\/code>boost::system::error_code&amp;).bind\u51fd\u6570\u5c06\u56de\u8c03\u51fd\u6570print\u8fde\u540c\u9644\u52a0\u7684\u53c2\u6570\u8f6c\u6362\u4e3a\u8fd9\u79cd\u6b63\u786e\u7684\u51fd\u6570\u7b7e\u540d.<\/p>\n<p>\u66f4\u591aBoost.Bind\u4fe1\u606f\u89c1<a href=\"http:\/\/www.boost.org\/libs\/bind\/bind.html\" target=\"_blank\" rel=\"noopener\">Boost.Bind documentation<\/a>.<\/p>\n<p>\u672c\u4f8b\u4e2d,boost::bind()\u7684boost::asio::placeholders::error\u53c2\u6570\u662f\u4f20\u9012\u7ed9\u6210\u4e86\u51fd\u6570\u7684\u9519\u8bef\u5bf9\u8c61\u540d\u79f0\u5360\u4f4d\u7b26.\u5982\u679c\u4f7f\u7528boost::bind()\u521d\u59cb\u5316\u5f02\u6b65\u64cd\u4f5c,\u5fc5\u987b\u6307\u5b9a\u4e0e\u53e5\u67c4\u53c2\u6570\u5217\u8868\u76f8\u4e00\u81f4\u7684\u53c2\u6570.\u5728\u8303\u4f8b4\u4e2d\u56de\u8c03\u51fd\u6570\u4e0d\u9700\u8981\u8fd9\u4e2a\u53c2\u6570\u4f1a\u7701\u7565\u6389.<\/p>\n<pre>\u00a0\u00a0\u00a0 t-&gt;async_wait(boost::bind(print,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error, t, count));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>}<\/pre>\n<pre><\/pre>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 boost::asio::io_service io;<\/pre>\n<p>\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684count\u53d8\u91cf,\u4ee5\u4fbf\u4e8e\u5728timer\u89e6\u53d16\u6b21\u540e\u7ed3\u675f\u7a0b\u5e8f\u8fd0\u884c.<\/p>\n<pre>\u00a0 int count = 0;<\/pre>\n<pre>\u00a0 boost::asio::deadline_timer t(io, boost::posix_time::seconds(1));<\/pre>\n<p>\u5982\u6b65\u9aa44,\u5728main\u51fd\u6570\u4e2d\u8c03\u7528\u4e86<a title=\"basic_deadline_timer::async_wait\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_deadline_timer\/async_wait.html\" target=\"_blank\" rel=\"noopener\">deadline_timer::async_wait()<\/a>\u65f6\u4f1a\u5411print\u51fd\u6570\u4f20\u9012\u9644\u52a0\u53c2\u6570.<\/p>\n<pre>\u00a0 t.async_wait(boost::bind(print,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error, &amp;t, &amp;count));<\/pre>\n<pre><\/pre>\n<pre>\u00a0 io.run();<\/pre>\n<p>\u6700\u540e,\u9a8c\u8bc1print\u53e5\u67c4\u51fd\u6570\u4e2d\u7684count\u53d8\u91cf,\u8f93\u51fa\u5176\u503c.<\/p>\n<pre>\u00a0 std::cout &lt;&lt; \"Final count is \" &lt;&lt; count &lt;&lt; \"\\n\";<\/pre>\n<pre><\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<h3><a target=\"_blank\" name=\"t79\"><\/a><a title=\"Timer.4 - Using a member function as a handler\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/tutorial\/tuttimer4.html\" target=\"_blank\" rel=\"noopener\">\u5b9a\u65f6\u56684 -\u4f7f\u7528\u6210\u5458\u51fd\u6570\u4f5c\u4e3a\u5904\u7406\u5668<\/a><\/h3>\n<p>\u672c\u4f8b\u6f14\u793a\u5982\u4f55\u5c06\u7c7b\u7684\u6210\u5458\u51fd\u6570\u4f5c\u4e3a\u56de\u8c03\u5904\u7406\u51fd\u6570.\u7a0b\u5e8f\u529f\u80fd\u4e0eTimer3\u5b8c\u5168\u4e00\u6837.<\/p>\n<pre>#include &lt;iostream&gt;<\/pre>\n<pre>#include &lt;boost\/asio.hpp&gt;<\/pre>\n<pre>#include &lt;boost\/bind.hpp&gt;<\/pre>\n<pre>#include &lt;boost\/date_time\/posix_time\/posix_time.hpp&gt;<\/pre>\n<p>\u4e0a\u4e00\u4e2a\u8303\u4f8b\u4e2d\u4f7f\u7528print\u51fd\u6570\u4f5c\u4e3a\u56de\u8c03\u5904\u7406\u51fd\u6570,\u672c\u4f8b\u4e2d\u9996\u5148\u5b9a\u4e49\u4e00\u4e2aprinter\u7c7b.<\/p>\n<pre>class printer<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<p>\u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e2d\u6709\u4e2aio_service\u7684\u5f15\u7528,\u7528\u6765\u521d\u59cb\u5316timer_\u6210\u5458.\u5173\u95ed\u7a0b\u5e8f\u7684\u8ba1\u65f6\u5668\u4e5f\u58f0\u660e\u4e3a\u7c7b\u7684\u6210\u5458.<\/p>\n<pre>\u00a0 printer(boost::asio::io_service&amp; io)<\/pre>\n<pre>\u00a0\u00a0\u00a0 : timer_(io, boost::posix_time::seconds(1)),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 count_(0)<\/pre>\n<pre>\u00a0 {<\/pre>\n<p>Boost::bind()\u51fd\u6570\u4e5f\u53ef\u7528\u4e8e\u5904\u7406\u7c7b\u7684\u6210\u5458\u51fd\u6570.\u7531\u4e8e\u6240\u6709\u7684\u975e\u9759\u6001\u7c7b\u6210\u5458\u51fd\u6570\u90fd\u6709\u4e00\u4e2a\u9690\u5f0f\u7684this\u53c2\u6570,\u6211\u4eec\u9700\u8981\u5c06this\u7ed1\u5b9a\u5230\u51fd\u6570\u4e0a.\u4e0eTimer3\u8303\u4f8b\u4e00\u6837,\u4f7f\u7528boost::bind()\u8f6c\u6362\u56de\u8c03\u5904\u7406\u51fd\u6570,\u5c06\u5176\u5904\u7406\u4e3avoid(const<code><\/code>boost::system::error_code&amp;)\u5f62\u5f0f\u7684\u7b7e\u540d.<\/p>\n<p>\u6ce8\u610f\u8fd9\u91ccboost::asio::placeholders::error\u5360\u4f4d\u7b26\u88ab\u5ffd\u7565,\u6210\u5458\u51fd\u6570print\u4e0d\u5728\u63a5\u6536\u9519\u8bef\u5bf9\u8c61\u53c2\u6570.<\/p>\n<pre>\u00a0\u00a0\u00a0 timer_.async_wait(boost::bind(&amp;printer::print, this));<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>\u5728\u7c7b\u7684\u6790\u6784\u51fd\u6570\u8f93\u51fa\u6700\u7ec8\u7684\u8ba1\u6570\u5668\u503c.<\/p>\n<pre>\u00a0 ~printer()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cout &lt;&lt; \"Final count is \" &lt;&lt; count_ &lt;&lt; \"\\n\";<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>\u6210\u5458\u51fd\u6570print\u4e0e\u4e0a\u4f8b\u7684print\u51fd\u6570\u975e\u5e38\u7c7b\u4f3c.\u7531\u4e8e\u8ba1\u6570\u5668\u548ctimer\u90fd\u505a\u4e3a\u4e86\u7c7b\u7684\u6210\u5458,\u56e0\u6b64\u4e0d\u5fc5\u5728\u8fdb\u884c\u53c2\u6570\u4f20\u9012\u4e86.<\/p>\n<pre>\u00a0 void print()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (count_ &lt; 5)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::cout &lt;&lt; count_ &lt;&lt; \"\\n\";<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 ++count_;<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 timer_.expires_at(timer_.expires_at() + boost::posix_time::seconds(1));<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 timer_.async_wait(boost::bind(&amp;printer::print, this));<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 boost::asio::deadline_timer timer_;<\/pre>\n<pre>\u00a0 int count_;<\/pre>\n<pre>};<\/pre>\n<p>Main\u51fd\u6570\u4e0e\u4e0a\u4f8b\u4e5f\u5f88\u76f8\u4f3c,\u73b0\u5728\u58f0\u660e\u4e00\u4e2aprinter\u5bf9\u8c61\u5e76\u8fd0\u884cio_service.<\/p>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 boost::asio::io_service io;<\/pre>\n<pre>\u00a0 printer p(io);<\/pre>\n<pre>\u00a0 io.run();<\/pre>\n<pre><\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<h3><a target=\"_blank\" name=\"t80\"><\/a>\u540c\u6b65TCP daytime\u5ba2\u6237\u7aef<\/h3>\n<p>\u672c\u4f8b\u5c55\u793a\u5982\u4f55\u4f7f\u7528asio\u5b9e\u73b0\u4e00\u4e2aTCP\u5ba2\u6237\u7aef.<\/p>\n<p><strong>\u9700\u8981\u5305\u542b\u5982\u4e0b\u5934\u6587\u4ef6.<\/strong><\/p>\n<pre>#include &lt;iostream&gt;<\/pre>\n<pre>#include &lt;boost\/array.hpp&gt;<\/pre>\n<pre>#include &lt;boost\/asio.hpp&gt;<\/pre>\n<p>\u7a0b\u5e8f\u7684\u76ee\u7684\u662f\u8981\u8bbf\u95eedaytime\u670d\u52a1\u5668,\u56e0\u6b64\u9700\u8981\u7528\u6237\u6307\u5b9a\u4e00\u4e2a\u670d\u52a1\u5668.<\/p>\n<pre>using boost::asio::ip::tcp;<\/pre>\n<pre><\/pre>\n<pre>int main(int argc, char* argv[])<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 try<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (argc != 2)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::cerr &lt;&lt; \"Usage: client &lt;host&gt;\" &lt;&lt; std::endl;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 return 1;<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<p>\u6240\u6709\u4f7f\u7528asio\u7684\u7a0b\u5e8f\u90fd\u9700\u8981\u4e00\u4e2a<a title=\"io_service\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/io_service.html\" target=\"_blank\" rel=\"noopener\">io_service<\/a>\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 boost::asio::io_service io_service;<\/pre>\n<p>\u6211\u4eec\u9700\u8981\u5c06\u7a0b\u5e8f\u53c2\u6570\u4e2d\u6307\u5b9a\u7684\u670d\u52a1\u5668\u540d\u79f0\u8f6c\u6362\u4e3aTCP\u7aef\u70b9,\u56e0\u6b64\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a<a title=\"ip::tcp::resolver\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__tcp\/resolver.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::resolver<\/a>\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 tcp::resolver resolver(io_service);<\/pre>\n<p>\u5206\u6790\u5668\u4f7f\u7528\u4e00\u4e2a\u67e5\u8be2\u5bf9\u8c61\u5e76\u83b7\u53d6\u4e00\u4e2a\u7aef\u70b9\u5217\u8868.\u4f7f\u7528\u670d\u52a1\u5668\u7684\u540d\u79f0(\u53c2\u6570argv[1])\u4ee5\u53ca\u670d\u52a1\u540d\u79f0(\u672c\u4f8b\u4e2d\u662fdaytime)\u4f5c\u4e3a\u53c2\u6570\u6765\u6784\u9020\u67e5\u8be2\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 tcp::resolver::query query(argv[1], \"daytime\");<\/pre>\n<p>\u8fd4\u56de\u7684\u7aef\u70b9\u5217\u8868\u4e3a<a title=\"ip::basic_resolver::iterator\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/iterator.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::resolver::iterator<\/a>\u7c7b\u578b\u7684\u8fed\u4ee3\u5668.<\/p>\n<pre>\u00a0\u00a0\u00a0 tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);<\/pre>\n<p>\u73b0\u5728\u521b\u5efa\u5e76\u8fde\u63a5Socket.\u4e0a\u8ff0\u7684\u7aef\u70b9\u5217\u8868\u53ef\u80fd\u5305\u62ecIPv4\u6216IPv6\u7c7b\u578b\u7684\u7aef\u70b9,\u9700\u8981\u5c1d\u8bd5\u6bcf\u79cd\u53ef\u80fd\u83b7\u53d6\u53ef\u7528\u7684\u7aef\u70b9.\u8fd9\u6837\u5ba2\u6237\u7aef\u5c31\u72ec\u7acb\u4e8eIP\u7248\u672c\u53f7\u4e86. boost::asio::connect()\u81ea\u52a8\u5b8c\u6210\u8fd9\u4e9b\u529f\u80fd.<\/p>\n<pre>\u00a0\u00a0\u00a0 tcp::socket socket(io_service);<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::connect(socket, endpoint_iterator);<\/pre>\n<p>\u8fde\u63a5\u5df2\u7ecf\u6253\u5f00.\u73b0\u5728\u5c31\u53ef\u4ee5\u4ece\u670d\u52a1\u7aef\u8bfb\u53d6\u6570\u636e\u4e86.<\/p>\n<p>\u4f7f\u7528boost::array \u6765\u63a5\u6536\u6570\u636e. boost::asio::buffer()\u51fd\u6570\u81ea\u52a8\u7ba1\u7406\u6570\u7ec4\u5927\u5c0f\u4ee5\u9632\u6b62\u7f13\u51b2\u533a\u6ea2\u51fa.\u9664\u4e86boost::array ,\u8fd8\u53ef\u4ee5\u4f7f\u7528char[]\u6216std::vector.<\/p>\n<pre>\u00a0\u00a0\u00a0 for (;;)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::array&lt;char, 128&gt; buf;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::system::error_code error;<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 size_t len = socket.read_some(boost::asio::buffer(buf), error);<\/pre>\n<p>\u5f53\u670d\u52a1\u7aef\u5173\u95ed\u4e86\u8fde\u63a5,<a title=\"basic_stream_socket::read_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/read_some.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::read_some()<\/a>\u00a0\u51fd\u6570\u63a5\u6536\u5230boost::asio::error::eof \u9519\u8bef\u4fe1\u606f,\u9000\u51fa\u5ba2\u6237\u7aef\u5faa\u73af.<\/p>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 if (error == boost::asio::error::eof)<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 break; \/\/ Connection closed cleanly by peer.<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 else if (error)<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 throw boost::system::system_error(error); \/\/ Some other error.<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::cout.write(buf.data(), len);<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<p>\u6700\u540e\u5904\u7406\u53ef\u80fd\u629b\u51fa\u7684\u5f02\u5e38.<\/p>\n<pre>\u00a0 }<\/pre>\n<pre>\u00a0 catch (std::exception&amp; e)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;<\/pre>\n<pre>\u00a0 }<\/pre>\n<h3><a target=\"_blank\" name=\"t81\"><\/a>TCP daytime\u540c\u6b65\u670d\u52a1\u5668<\/h3>\n<p>\u672c\u4f8b\u9610\u8ff0\u5982\u4f55\u4f7f\u7528asio\u5b9e\u73b0TCP\u670d\u52a1\u7aef\u5e94\u7528\u7a0b\u5e8f.<\/p>\n<pre>#include &lt;ctime&gt;<\/pre>\n<pre>#include &lt;iostream&gt;<\/pre>\n<pre>#include &lt;string&gt;<\/pre>\n<pre>#include &lt;boost\/asio.hpp&gt;<\/pre>\n<pre><\/pre>\n<pre>using boost::asio::ip::tcp;<\/pre>\n<p>\u5b9a\u4e49\u4e00\u4e2amake_daytime_string()\u51fd\u6570\u751f\u6210\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u7684\u5b57\u7b26\u4e32.\u8fd9\u4e2a\u51fd\u6570\u5728\u6240\u6709daytime\u670d\u52a1\u5e94\u7528\u7a0b\u5e8f\u4e2d\u91cd\u7528.<\/p>\n<pre>std::string make_daytime_string()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 using namespace std; \/\/ For time_t, time and ctime;<\/pre>\n<pre>\u00a0 time_t now = time(0);<\/pre>\n<pre>\u00a0 return ctime(&amp;now);<\/pre>\n<pre>}<\/pre>\n<pre><\/pre>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 try<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::io_service io_service;<\/pre>\n<p><a title=\"ip::tcp::acceptor\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__tcp\/acceptor.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::acceptor<\/a>\u5bf9\u8c61\u7528\u6765\u4fa6\u542c\u65b0\u5230\u7684\u8fde\u63a5.\u8fd9\u91cc\u521d\u59cb\u5316\u4e3a\u4f7f\u7528IPv4\u534f\u8bae\u6765\u4fa6\u542c13\u7aef\u53e3.<\/p>\n<pre>\u00a0\u00a0\u00a0 tcp::acceptor acceptor(io_service, tcp::endpoint(tcp::v4(), 13));<\/pre>\n<p>\u8fd9\u662f\u4e2a\u53ef\u8fed\u4ee3\u7684\u670d\u52a1\u7aef,\u5373\u6bcf\u6b21\u53ea\u80fd\u5904\u7406\u4e00\u4e2a\u8fde\u63a5.\u5bf9\u6bcf\u4e2a\u5ba2\u6237\u7aef\u94fe\u63a5\u521b\u5efa\u4e00\u4e2aSocket,\u800c\u540e\u7b49\u5f85\u65b0\u5230\u6765\u7684\u8fde\u63a5.<\/p>\n<pre>\u00a0\u00a0\u00a0 for (;;)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 tcp::socket socket(io_service);<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 acceptor.accept(socket);<\/pre>\n<p>\u5ba2\u6237\u7aef\u8bbf\u95ee\u6211\u4eec\u670d\u52a1\u7aef.\u5f53\u524d\u7684\u65f6\u95f4\u5c06\u4f20\u9012\u7ed9\u5ba2\u6237\u7aef.<\/p>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::string message = make_daytime_string();<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::system::error_code ignored_error;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::write(socket, boost::asio::buffer(message), ignored_error);<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>\u6700\u540e\u5904\u7406\u5f02\u5e38.<\/p>\n<pre>\u00a0 catch (std::exception&amp; e)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<h3><a target=\"_blank\" name=\"t82\"><\/a>\u5f02\u6b65TCP daytime\u670d\u52a1\u7aef<\/h3>\n<p><strong>main\u51fd\u6570<\/strong><\/p>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 try<\/pre>\n<pre>\u00a0 {<\/pre>\n<p>\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u670d\u52a1\u5bf9\u8c61\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u8fde\u63a5.\u00a0<a title=\"io_service\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/io_service.html\" target=\"_blank\" rel=\"noopener\">io_service<\/a>\u5bf9\u8c61\u63d0\u4f9bIO\u670d\u52a1,\u5982socket\u5c31\u4f7f\u7528\u8fd9\u4e2aIO\u670d\u52a1\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 boost::asio::io_service io_service;<\/pre>\n<pre>\u00a0\u00a0\u00a0 tcp_server server(io_service);<\/pre>\n<p>\u8fd0\u884c<a title=\"io_service\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/io_service.html\" target=\"_blank\" rel=\"noopener\">io_service<\/a>\u5bf9\u8c61\u4f7f\u5176\u6267\u884c\u5f02\u6b65\u64cd\u4f5c.<\/p>\n<pre>\u00a0\u00a0\u00a0 io_service.run();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>\u00a0 catch (std::exception&amp; e)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<p><strong>tcp_server \u7c7b<\/strong><\/p>\n<pre>class tcp_server<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<p>\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316\u63a5\u6536\u5668\u76d1\u542cTCP\u768413\u7aef\u53e3.<\/p>\n<pre>\u00a0 tcp_server(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0\u00a0\u00a0 : acceptor_(io_service, tcp::endpoint(tcp::v4(), 13))<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 start_accept();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<p>\u51fd\u6570start_accept()\u521b\u5efa\u4e00\u4e2aSocket\u5e76\u521d\u59cb\u5316\u4e3a\u5f02\u6b65\u63a5\u6536\u64cd\u4f5c,\u7b49\u5f85\u65b0\u7684\u8fde\u63a5.<\/p>\n<pre>\u00a0 void start_accept()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 tcp_connection::pointer new_connection =<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 tcp_connection::create(acceptor_.get_io_service());<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0 acceptor_.async_accept(new_connection-&gt;socket(),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;tcp_server::handle_accept, this, new_connection,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error));<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>\u7531start_accept()\u51fd\u6570\u521d\u59cb\u5316\u7684\u5f02\u6b65\u63a5\u6536\u64cd\u4f5c\u5b8c\u6210\u540e\u4f1a\u8c03\u7528handle_accept()\u51fd\u6570.\u5176\u54cd\u5e94\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u5e76\u518d\u6b21\u8c03\u7528start_accept()\u51fd\u6570\u521d\u59cb\u5316\u4e0b\u4e00\u6b21\u63a5\u6536\u64cd\u4f5c.<\/p>\n<pre>\u00a0 void handle_accept(tcp_connection::pointer new_connection,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 const boost::system::error_code&amp; error)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (!error)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 new_connection-&gt;start();<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0 start_accept();<\/pre>\n<pre>\u00a0 }<\/pre>\n<p><strong>Tcp\u8fde\u63a5\u7c7b<\/strong><\/p>\n<p>\u4f7f\u7528shared_ptr\u548cenable_shared_from_this\u4fdd\u8bc1tcp_connetion\u5728\u6709\u76f8\u5e94\u64cd\u4f5c\u671f\u95f4\u4fdd\u6301\u6fc0\u6d3b\u72b6\u6001.<\/p>\n<pre>class tcp_connection<\/pre>\n<pre>\u00a0 : public boost::enable_shared_from_this&lt;tcp_connection&gt;<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<pre>\u00a0 typedef boost::shared_ptr&lt;tcp_connection&gt; pointer;<\/pre>\n<pre><\/pre>\n<pre>\u00a0 static pointer create(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 return pointer(new tcp_connection(io_service));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 tcp::socket&amp; socket()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 return socket_;<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>\u5728\u51fd\u6570start()\u4e2d\u8c03\u7528boost::asio::async_write()\u5411\u5ba2\u6237\u7aef\u5199\u6570\u636e.\u6ce8\u610f\u4f7f\u7528\u7684\u662fboost::asio::async_write()\u800c\u4e0d\u662f<a title=\"basic_stream_socket::async_write_some\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket\/async_write_some.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::socket::async_write_some()<\/a>,\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u53d1\u9001\u5168\u90e8\u7684\u6570\u636e.<\/p>\n<pre>\u00a0 void start()<\/pre>\n<pre>\u00a0 {<\/pre>\n<p>\u53d1\u9001\u7684\u6570\u636e\u5b58\u50a8\u5728\u7c7b\u6210\u5458message_\u4e2d,\u5728\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u524d\u5fc5\u987b\u4fdd\u8bc1\u6570\u636e\u7684\u6709\u6548\u6027.<\/p>\n<pre>\u00a0\u00a0\u00a0 message_ = make_daytime_string();<\/pre>\n<p>\u521d\u59cb\u5316\u5f02\u6b65\u64cd\u4f5c\u540e,\u4f7f\u7528boost::bind()\u4f20\u9012\u7684\u53c2\u6570\u5fc5\u987b\u4e0e\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u53c2\u6570\u5217\u8868\u76f8\u5339\u914d.\u672c\u4f8b\u4e2d, boost::asio::placeholders::error \u548c boost::asio::placeholders::bytes_transferred\u53c2\u6570\u5360\u4f4d\u7b26\u90fd\u88ab\u53bb\u6389\u4e86,\u56e0\u4e3a\u4ed6\u4eec\u6ca1\u6709\u5728handle_write()\u4e2d\u4f7f\u7528.<\/p>\n<pre>\u00a0\u00a0\u00a0 boost::asio::async_write(socket_, boost::asio::buffer(message_),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;tcp_connection::handle_write, shared_from_this(),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::bytes_transferred));<\/pre>\n<p>\u518d\u6b21\u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u9700\u8981\u7531handle_write()\u8d1f\u8d23.<\/p>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 tcp_connection(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0\u00a0\u00a0 : socket_(io_service)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void handle_write(const boost::system::error_code&amp; \/*error*\/,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 size_t \/*bytes_transferred*\/)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 tcp::socket socket_;<\/pre>\n<pre>\u00a0 std::string message_;<\/pre>\n<pre>};<\/pre>\n<p><strong>\u79fb\u9664\u65e0\u7528\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u7684\u53c2\u6570<\/strong><\/p>\n<p>\u4f60\u53ef\u80fd\u53d1\u73b0error\u548cbytes_transferred\u53c2\u6570\u5728\u51fd\u6570handle_write()\u4e2d\u662f\u65e0\u7528\u7684.\u5982\u679c\u53c2\u6570\u4e0d\u9700\u8981\u53ef\u5c06\u5176\u79fb\u9664:<\/p>\n<pre>\u00a0 void handle_write()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>boost::asio::async_write()\u7684\u8c03\u7528\u8c03\u6574\u4e3a\u5982\u4e0b\u5f62\u5f0f:<\/p>\n<pre>\u00a0 boost::asio::async_write(socket_, boost::asio::buffer(message_),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;tcp_connection::handle_write, shared_from_this()));<\/pre>\n<h3><a target=\"_blank\" name=\"t83\"><\/a>DDaytime4-\u540c\u6b65UDP daytime\u5ba2\u6237\u7aef<\/h3>\n<p align=\"left\">\u672c\u8303\u4f8b\u7a0b\u5e8f\u5c55\u793a\u5982\u4f55\u4f7f\u7528asio\u6765\u5b9e\u73b0UPD\u5ba2\u6237\u7aef\u7a0b\u5e8f.<\/p>\n<p align=\"left\">#include\/span&gt; &lt;iostream&gt;<\/p>\n<p align=\"left\">#include &lt;boost\/array.hpp&gt;<\/p>\n<p align=\"left\">#include &lt;boost\/asio.hpp&gt;<\/p>\n<p align=\"left\">\n<p align=\"left\">using boost::asio::ip::udp;;<\/p>\n<p align=\"left\">\u542f\u52a8\u7a0b\u5e8f\u7684\u65b9\u5f0f\u548cTCP daytime\u5ba2\u6237\u7aef\u76f8\u540c.<\/p>\n<p align=\"left\">int\/span&gt; main(int argc, char* argv[])<\/p>\n<p align=\"left\">{<\/p>\n<p align=\"left\">\u00a0\u00a0try<\/p>\n<p align=\"left\">\u00a0\u00a0{<\/p>\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0if (argc != 2)<\/p>\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0{<\/p>\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0std::cerr &lt;&lt; &#8220;Usage: client &lt;host&gt;&#8221; &lt;&lt; std::endl;<\/p>\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return 1;<\/p>\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0}<\/p>\n<p align=\"left\">\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0boost::asio::io_service io_service;;<\/p>\n<p align=\"left\">\u5411<a title=\"ip::udp::resolver\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/resolver.html\" target=\"_blank\" rel=\"noopener\">ip::udp::resolver<\/a>\u4f20\u9012\u4e3b\u673a\u548c\u670d\u52a1\u540d\u79f0\u83b7\u53d6\u6b63\u786e\u7684\u8fdc\u7a0b\u7aef\u70b9.\u67e5\u8be2\u901a\u8fc7<a title=\"ip::udp::v4\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/v4.html\" target=\"_blank\" rel=\"noopener\">ip::udp::v4()<\/a>\u53c2\u6570\u9650\u5236\u4f7f\u5176\u8fd4\u56de\u4e00\u4e2aIPv4\u534f\u8bae\u7684\u7aef\u70b9.<\/p>\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0udp::resolver resolver(io_service);<\/p>\n<p align=\"left\">\u00a0\u00a0\u00a0\u00a0udp::resolver::query query(udp::v4(), argv[1], &#8220;daytime&#8221;));<\/p>\n<p align=\"left\"><a title=\"ip::basic_resolver::resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/resolve.html\" target=\"_blank\" rel=\"noopener\">ip::udp::resolver::resolve()<\/a>\u51fd\u6570\u4fdd\u8bc1\u5982\u679c\u67e5\u8be2\u6210\u529f\u7684\u8bdd\u4f1a\u8fd4\u56de\u81f3\u5c11\u6709\u4e00\u4e2a\u7aef\u70b9\u7684\u5217\u8868.\u56e0\u6b64\u53ef\u4ee5\u5b89\u5168\u7684\u76f4\u63a5\u5bf9\u8fd4\u56de\u503c\u8fdb\u884c\u89e3\u5f15\u7528.<\/p>\n<p align=\"left\"><a title=\"ip::basic_resolver::resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/resolve.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0udp::endpoint receiver_endpoint = *resolver.resolve(query));<\/a><\/p>\n<p align=\"left\"><a title=\"ip::basic_resolver::resolve\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__basic_resolver\/resolve.html\" target=\"_blank\" rel=\"noopener\">\u7531\u4e8eUDP\u662f\u57fa\u4e8e\u6570\u636e\u62a5\u7684,\u6ca1\u6709\u4f7f\u7528\u57fa\u4e8e\u6d41\u7684Socket.\u521b\u5efa\u4e00\u4e2a<\/a><a title=\"ip::udp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/socket.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket<\/a>\u5e76\u4f7f\u7528\u8fdc\u7a0b\u7aef\u70b9\u8fdb\u884c\u521d\u59cb\u8fde\u63a5.<\/p>\n<p align=\"left\"><a title=\"ip::udp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/socket.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0udp::socket socket(io_service);<\/a><\/p>\n<p align=\"left\"><a title=\"ip::udp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/socket.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0socket.open(udp::v4());<\/a><\/p>\n<p align=\"left\"><a title=\"ip::udp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/socket.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0boost::array&lt;char, 1&gt; send_buf\u00a0 = {{ 0 }};<\/a><\/p>\n<p align=\"left\"><a title=\"ip::udp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/socket.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0socket.send_to(boost::asio::buffer(send_buf), receiver_endpoint));<\/a><\/p>\n<p align=\"left\"><a title=\"ip::udp::socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__udp\/socket.html\" target=\"_blank\" rel=\"noopener\">\u73b0\u5728\u9700\u8981\u51c6\u5907\u597d\u63a5\u6536\u670d\u52a1\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u6570\u636e.\u5ba2\u6237\u7aef\u63a5\u6536\u670d\u52a1\u7aef\u54cd\u5e94\u7684\u7aef\u70b9\u8981\u901a\u8fc7<\/a><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::receive_from()<\/a>\u6307\u5b9a.<\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0boost::array&lt;char, 128&gt; recv_buf;<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0udp::endpoint sender_endpoint;<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0size_t len = socket.receive_from(<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0boost::asio::buffer(recv_buf), sender_endpoint);<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0std::cout.write(recv_buf.data(), len);<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0}}<\/a><\/p>\n<p align=\"left\">\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0catch (std\/span&gt;::exception&amp; e)<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0{<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0\u00a0\u00a0std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0}<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">\u00a0return 0;<\/a><\/p>\n<p align=\"left\"><a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">}<\/a><\/p>\n<h3><a target=\"_blank\" name=\"t84\"><\/a>Daytime5- daytime\u540c\u6b65UDP\u670d\u52a1\u7aef<\/h3>\n<p>\u672c\u8303\u4f8b\u7a0b\u5e8f\u5c55\u793a\u5982\u4f55\u4f7f\u7528asio\u5b9e\u73b0\u540c\u6b65UDP\u670d\u52a1\u7a0b\u5e8f.<\/p>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 try<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::io_service io_service;<\/pre>\n<p>\u521b\u5efaip::udp::socket\u5bf9\u8c61\u63a5\u6536UDP 13\u7aef\u53e3\u4e0a\u7684\u8bf7\u6c42.<\/p>\n<pre>\u00a0\u00a0\u00a0 udp::socket socket(io_service, udp::endpoint(udp::v4(), 13));<\/pre>\n<p>\u7b49\u5f85\u5ba2\u6237\u7aef\u8bf7\u6c42\u8fde\u63a5.remote_endpoint\u5bf9\u8c61\u5c06\u4f20\u5165<a title=\"basic_datagram_socket::receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/receive_from.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::receive_from()<\/a>\u51fd\u6570.<\/p>\n<pre>\u00a0\u00a0\u00a0 for (;;)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::array&lt;char, 1&gt; recv_buf;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 udp::endpoint remote_endpoint;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::system::error_code error;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 socket.receive_from(boost::asio::buffer(recv_buf),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 remote_endpoint, 0, error);<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 if (error &amp;&amp; error != boost::asio::error::message_size)<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 throw boost::system::system_error(error);<\/pre>\n<p>\u63a5\u7740\u5b9e\u73b0\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e.<\/p>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::string message = make_daytime_string();<\/pre>\n<p>\u5411remote_endpoint\u53d1\u9001\u54cd\u5e94.<\/p>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::system::error_code ignored_error;<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 socket.send_to(boost::asio::buffer(message),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 remote_endpoint, 0, ignored_error);<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>\u6700\u540e\u5904\u7406\u5f02\u5e38.<\/p>\n<pre>\u00a0 catch (std::exception&amp; e)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<h3><a target=\"_blank\" name=\"t85\"><\/a>Daytime6- daytime\u5f02\u6b65UDP\u670d\u52a1\u7aef<\/h3>\n<p><strong>main()\u51fd\u6570<\/strong><\/p>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 try<\/pre>\n<pre>\u00a0 {<\/pre>\n<p>\u521b\u5efa\u670d\u52a1\u5bf9\u8c61\u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42,\u5e76\u8fd0\u884cio_service\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 boost::asio::io_service io_service;<\/pre>\n<pre>\u00a0\u00a0\u00a0 udp_server server(io_service);<\/pre>\n<pre>\u00a0\u00a0\u00a0 io_service.run();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>\u00a0 catch (std::exception&amp; e)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<p><strong>udp_server\u7c7b<\/strong><\/p>\n<pre>class udp_server<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<p>\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316socket\u5e76\u4fa6\u542cUDP\u768413\u7aef\u53e3.<\/p>\n<pre>\u00a0 udp_server(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0\u00a0\u00a0 : socket_(io_service, udp::endpoint(udp::v4(), 13))<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 start_receive();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 void start_receive()<\/pre>\n<pre>\u00a0 {<\/pre>\n<p><a title=\"basic_datagram_socket::async_receive_from\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_receive_from.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::async_receive_from()<\/a>\u51fd\u6570\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5728\u540e\u53f0\u4fa6\u542c\u65b0\u7684\u8bf7\u6c42.\u5f53\u63a5\u6536\u5230\u8bf7\u6c42,io_service\u5bf9\u8c61\u4f7f\u7528\u4e24\u4e2a\u53c2\u6570\u6765\u8c03\u7528handle_receive\u51fd\u6570:\u4e00\u4e2a\u63cf\u8ff0\u64cd\u4f5c\u6210\u529f\u5931\u8d25\u7684boost::system::error_code\u7c7b\u578b\u53c2\u6570,\u548c\u4e00\u4e2asize_t\u7c7b\u578b\u7684bytes_transferred \u6307\u5b9a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6570.<\/p>\n<pre>\u00a0\u00a0\u00a0 socket_.async_receive_from(<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::buffer(recv_buffer_), remote_endpoint_,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;udp_server::handle_receive, this,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::bytes_transferred));<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>handle_receive()\u51fd\u6570\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42.<\/p>\n<pre>\u00a0 void handle_receive(const boost::system::error_code&amp; error,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::size_t \/*bytes_transferred*\/)<\/pre>\n<pre>\u00a0 {<\/pre>\n<p>error\u53c2\u6570\u5305\u542b\u5f02\u6b65\u64cd\u4f5c\u7684\u7ed3\u679c.\u7531\u4e8e\u8fd9\u91cc\u53ea\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b57\u8282\u7684recv_buffer_\u6765\u5b58\u653e\u5ba2\u6237\u7aef\u8bf7\u6c42,\u5982\u679c\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6570\u636e\u8fc7\u957f\u5219io_service\u4f1a\u8fd4\u56de\u9519\u8bef\u4fe1\u606f.\u5982\u679c\u53d1\u751f\u9519\u8bef\u5219\u5ffd\u7565.<\/p>\n<pre>\u00a0\u00a0\u00a0 if (!error || error == boost::asio::error::message_size)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<p>\u751f\u6210\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u7684\u6570\u636e.<\/p>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::shared_ptr&lt;std::string&gt; message(<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 new std::string(make_daytime_string()));<\/pre>\n<p>\u8c03\u7528<a title=\"basic_datagram_socket::async_send_to\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_datagram_socket\/async_send_to.html\" target=\"_blank\" rel=\"noopener\">ip::udp::socket::async_send_to()<\/a>\u51fd\u6570\u5c06\u6570\u636e\u53d1\u9001\u5230\u5ba2\u6237\u7aef.<\/p>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 socket_.async_send_to(boost::asio::buffer(*message), remote_endpoint_,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;udp_server::handle_send, this, message,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::bytes_transferred));<\/pre>\n<p>\u5f53\u521d\u59cb\u5316\u5f02\u6b65\u64cd\u4f5c\u65f6,\u5982\u679c\u4f7f\u7528boost::bind(),\u5fc5\u987b\u6307\u5b9a\u4e0e\u56de\u8c03\u51fd\u6570\u76f8\u5339\u914d\u7684\u53c2\u6570\u5217\u8868.\u672c\u7a0b\u5e8f\u4e2d,\u4e24\u4e2a\u53c2\u6570\u5360\u4f4d\u7b26(boost::asio::placeholders::error \u548c boost::asio::placeholders::bytes_transferred)\u5e94\u8be5\u88ab\u79fb\u9664.<\/p>\n<p>\u5f00\u59cb\u4fa6\u542c\u4e0b\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42.<\/p>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 start_receive();<\/pre>\n<p>\u5bf9\u5ba2\u6237\u8bf7\u6c42\u7684\u66f4\u591a\u5904\u7406\u7531handle_send()\u8d1f\u8d23.<\/p>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre>\u00a0 }<\/pre>\n<p>handle_send()\u51fd\u6570\u5728\u670d\u52a1\u8bf7\u6c42\u7ed3\u675f\u540e\u8c03\u7528.<\/p>\n<pre>\u00a0 void handle_send(boost::shared_ptr&lt;std::string&gt; \/*message*\/,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 const boost::system::error_code&amp; \/*error*\/,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 std::size_t \/*bytes_transferred*\/)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 udp::socket socket_;<\/pre>\n<pre>\u00a0 udp::endpoint remote_endpoint_;<\/pre>\n<pre>\u00a0 boost::array&lt;char, 1&gt; recv_buffer_;<\/pre>\n<pre>};<\/pre>\n<h3><a target=\"_blank\" name=\"t86\"><\/a>Daytime7-TCP\/UDP\u5f02\u6b65\u670d\u52a1<\/h3>\n<p>\u672c\u8303\u4f8b\u7a0b\u5e8f\u5c55\u793a\u5982\u4f55\u5c06\u5df2\u7ecf\u5199\u8fc7\u7684\u4e24\u4e2a\u5f02\u6b65\u670d\u52a1\u6574\u5408\u5230\u4e00\u4e2a\u670d\u52a1\u7a0b\u5e8f\u4e2d.<\/p>\n<p><strong>main()\u51fd\u6570<\/strong><\/p>\n<pre>int main()<\/pre>\n<pre>{<\/pre>\n<pre>\u00a0 try<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::io_service io_service;<\/pre>\n<p>\u521b\u5efa\u4e00\u4e2a\u63a5\u6536TCP\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u670d\u52a1\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 tcp_server server1(io_service);<\/pre>\n<p>\u521b\u5efa\u4e00\u4e2a\u63a5\u6536UDP\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u670d\u52a1\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 udp_server server2(io_service);<\/pre>\n<p>\u5df2\u7ecf\u521b\u5efa\u4e86\u4e24\u4e2a\u57fa\u4e8eio_service\u5bf9\u8c61\u4e0a\u7684\u5de5\u4f5c\u5bf9\u8c61.<\/p>\n<pre>\u00a0\u00a0\u00a0 io_service.run();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre>\u00a0 catch (std::exception&amp; e)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 return 0;<\/pre>\n<pre>}<\/pre>\n<p><strong>tcp_connection \u548c tcp_server \u7c7b<\/strong><\/p>\n<p>\u5982\u4e0b\u4e24\u4e2a\u7c7b\u53d6\u81eaDaytime3\u8303\u4f8b.<\/p>\n<pre>class tcp_connection<\/pre>\n<pre>\u00a0 : public boost::enable_shared_from_this&lt;tcp_connection&gt;<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<pre>\u00a0 typedef boost::shared_ptr&lt;tcp_connection&gt; pointer;<\/pre>\n<pre><\/pre>\n<pre>\u00a0 static pointer create(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 return pointer(new tcp_connection(io_service));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 tcp::socket&amp; socket()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 return socket_;<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void start()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 message_ = make_daytime_string();<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0 boost::asio::async_write(socket_, boost::asio::buffer(message_),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;tcp_connection::handle_write, shared_from_this()));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 tcp_connection(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0\u00a0\u00a0 : socket_(io_service)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void handle_write()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 tcp::socket socket_;<\/pre>\n<pre>\u00a0 std::string message_;<\/pre>\n<pre>};<\/pre>\n<pre><\/pre>\n<pre>class tcp_server<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<pre>\u00a0 tcp_server(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0\u00a0\u00a0 : acceptor_(io_service, tcp::endpoint(tcp::v4(), 13))<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 start_accept();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 void start_accept()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 tcp_connection::pointer new_connection =<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 tcp_connection::create(acceptor_.get_io_service());<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0 acceptor_.async_accept(new_connection-&gt;socket(),<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;tcp_server::handle_accept, this, new_connection,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void handle_accept(tcp_connection::pointer new_connection,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 const boost::system::error_code&amp; error)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (!error)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 new_connection-&gt;start();<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0 start_accept();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 tcp::acceptor acceptor_;<\/pre>\n<pre>};<\/pre>\n<p><strong>udp_server \u7c7b<\/strong><\/p>\n<p>\u540c\u6837,\u4e0b\u9762\u7684\u7c7b\u53d6\u81ea\u4e0a\u4e00\u4e2a\u8303\u4f8b.<\/p>\n<pre>class udp_server<\/pre>\n<pre>{<\/pre>\n<pre>public:<\/pre>\n<pre>\u00a0 udp_server(boost::asio::io_service&amp; io_service)<\/pre>\n<pre>\u00a0\u00a0\u00a0 : socket_(io_service, udp::endpoint(udp::v4(), 13))<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 start_receive();<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>private:<\/pre>\n<pre>\u00a0 void start_receive()<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 socket_.async_receive_from(<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::buffer(recv_buffer_), remote_endpoint_,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;udp_server::handle_receive, this,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::asio::placeholders::error));<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void handle_receive(const boost::system::error_code&amp; error)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0 if (!error || error == boost::asio::error::message_size)<\/pre>\n<pre>\u00a0\u00a0\u00a0 {<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 boost::shared_ptr&lt;std::string&gt; message(<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 new std::string(make_daytime_string()));<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 socket_.async_send_to(boost::asio::buffer(*message), remote_endpoint_,<\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 boost::bind(&amp;udp_server::handle_send, this, message));<\/pre>\n<pre><\/pre>\n<pre>\u00a0\u00a0\u00a0\u00a0\u00a0 start_receive();<\/pre>\n<pre>\u00a0\u00a0\u00a0 }<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 void handle_send(boost::shared_ptr&lt;std::string&gt; \/*message*\/)<\/pre>\n<pre>\u00a0 {<\/pre>\n<pre>\u00a0 }<\/pre>\n<pre><\/pre>\n<pre>\u00a0 udp::socket socket_;<\/pre>\n<pre>\u00a0 udp::endpoint remote_endpoint_;<\/pre>\n<pre>\u00a0 boost::array&lt;char, 1&gt; recv_buffer_;<\/pre>\n<pre>};<\/pre>\n<h2><a target=\"_blank\" name=\"t87\"><\/a>\u8303\u4f8b<\/h2>\n<h3><a target=\"_blank\" name=\"t88\"><\/a>\u5206\u914d\u5185\u5b58<\/h3>\n<p>\u672c\u8303\u4f8b\u5c55\u793a\u5982\u4f55\u4e3a\u5f02\u6b65\u64cd\u4f5c\u5206\u914d\u5fc5\u9700\u7684\u5185\u5b58.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/allocation\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/allocation\/server.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t89\"><\/a>\u7f13\u51b2\u533a<\/h3>\n<p>\u672c\u8303\u4f8b\u5c55\u793a\u5982\u4f55\u4e3aSocket\u8bfb\u5199\u64cd\u4f5c\u521b\u5efa\u6709\u5f15\u7528\u8ba1\u6570\u7684\u7f13\u51b2\u533a.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/buffers\/reference_counted.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/buffers\/reference_counted.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t90\"><\/a>\u804a\u5929\u7a0b\u5e8f<\/h3>\n<p>\u672c\u8303\u4f8b\u5b9e\u73b0\u4e86\u804a\u5929\u7a0b\u5e8f\u7684\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef.\u8fd9\u4e2a\u7a0b\u5e8f\u4f7f\u7528\u5177\u67096\u5b57\u8282\u7684\u6d88\u606f\u5934\u548c\u53ef\u53d8\u957f\u6d88\u606f\u4f53\u7684\u81ea\u5b9a\u4e49\u534f\u8bae.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/chat\/chat_message.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/chat\/chat_message.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/chat\/chat_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/chat\/chat_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/chat\/chat_server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/chat\/chat_server.cpp<\/a><\/li>\n<\/ul>\n<p>\u4e0b\u9762\u9488\u5bf9POSIX\u7684\u804a\u5929\u5ba2\u6237\u7aef\u6f14\u793a\u5982\u4f55\u4f7f\u7528<a title=\"posix::stream_descriptor\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/posix__stream_descriptor.html\" target=\"_blank\" rel=\"noopener\">posix::stream_descriptor<\/a>\u7c7b\u6267\u884c\u63a7\u5236\u53f0\u8f93\u5165\u8f93\u51fa.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/chat\/posix_chat_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/chat\/posix_chat_client.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t91\"><\/a>Echo<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u540c\u6b65\u548c\u5f02\u6b65\u64cd\u4f5c\u5b9e\u73b0\u4e00\u7cfb\u5217\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/echo\/async_tcp_echo_server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/echo\/async_tcp_echo_server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/echo\/async_udp_echo_server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/echo\/async_udp_echo_server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/echo\/blocking_tcp_echo_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/echo\/blocking_tcp_echo_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/echo\/blocking_tcp_echo_server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/echo\/blocking_tcp_echo_server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/echo\/blocking_udp_echo_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/echo\/blocking_udp_echo_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/echo\/blocking_udp_echo_server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/echo\/blocking_udp_echo_server.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t92\"><\/a>fock<\/h3>\n<p>\u9488\u5bf9POSIX \u7684\u8303\u4f8b\u7a0b\u5e8f\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528Boost.Asio\u7ed3\u5408fork()\u7cfb\u7edf\u8c03\u7528.\u7b2c\u4e00\u4e2a\u8303\u4f8b\u9610\u8ff0\u4e86\u5982\u4f55\u542f\u52a8\u5b88\u62a4\u8fdb\u7a0b:<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/fork\/daemon.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/fork\/daemon.cpp<\/a><\/li>\n<\/ul>\n<p>\u7b2c\u4e8c\u4e2a\u8303\u4f8b\u9610\u8ff0\u4e86\u5982\u4f55\u5728\u5b8c\u6210\u53e5\u67c4\u4e2d\u542f\u52a8\u8fdb\u7a0b.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/fork\/process_per_connection.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/fork\/process_per_connection.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t93\"><\/a>HTTP\u5ba2\u6237\u7aef<\/h3>\n<p>\u8303\u4f8b\u7a0b\u5e8f\u7b80\u5355\u7684\u5b9e\u73b0\u4e86HTTP1.0\u5ba2\u6237\u7aef.\u7a0b\u5e8f\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528read_until\u548casync_read_until\u51fd\u6570.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/client\/sync_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/client\/sync_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/client\/async_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/client\/async_client.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t94\"><\/a>HTTP\u670d\u52a1<\/h3>\n<p>\u8303\u4f8b\u9610\u8ff0\u4e86\u5728\u5355\u7ebf\u7a0b\u4e2d\u4f7f\u7528asio\u5b9e\u73b0HTTP1.0\u670d\u52a1.\u6f14\u793a\u4e86\u5982\u4f55\u6267\u884c\u6e05\u9664\u547d\u4ee4\u7ed3\u675f\u672a\u5b8c\u6210\u7684\u5f02\u6b65\u64cd\u4f5c.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/connection.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/connection.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/connection.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/connection.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/connection_manager.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/connection_manager.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/connection_manager.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/connection_manager.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/header.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/header.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/main.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/main.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/mime_types.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/mime_types.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/mime_types.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/mime_types.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/reply.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/reply.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/reply.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/reply.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/request.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/request.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/request_handler.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/request_handler.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/request_handler.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/request_handler.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/request_parser.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/request_parser.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/request_parser.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/request_parser.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server\/server.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server\/server.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t95\"><\/a>HTTP\u670d\u52a12<\/h3>\n<p>\u4f7f\u7528io_service-per-CPU \u8bbe\u8ba1\u7684HTTP\u670d\u52a1.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/connection.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/connection.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/connection.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/connection.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/header.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/header.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/io_service_pool.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/io_service_pool.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/io_service_pool.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/io_service_pool.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/main.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/main.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/mime_types.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/mime_types.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/mime_types.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/mime_types.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/reply.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/reply.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/reply.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/reply.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/request.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/request.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/request_handler.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/request_handler.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/request_handler.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/request_handler.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/request_parser.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/request_parser.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/request_parser.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/request_parser.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server2\/server.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server2\/server.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t96\"><\/a>HTTP\u670d\u52a13<\/h3>\n<p>\u4f7f\u7528\u5355\u4e2aio_service\u5e76\u5728\u7ebf\u7a0b\u6c60\u4e0a\u8c03\u7528io_service::run()\u7684HTTP\u670d\u52a1.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/connection.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/connection.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/connection.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/connection.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/header.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/header.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/main.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/main.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/mime_types.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/mime_types.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/mime_types.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/mime_types.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/reply.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/reply.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/reply.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/reply.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/request.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/request.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/request_handler.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/request_handler.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/request_handler.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/request_handler.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/request_parser.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/request_parser.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/request_parser.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/request_parser.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server3\/server.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server3\/server.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t97\"><\/a>HTTP\u670d\u52a14<\/h3>\n<p>\u4f7f\u7528\u65e0\u6808\u534f\u540c\u6280\u672f\u5b9e\u73b0\u5355\u7ebf\u7a0bHTTP\u670d\u52a1.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/coroutine.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/coroutine.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/file_handler.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/file_handler.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/file_handler.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/file_handler.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/header.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/header.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/main.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/main.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/mime_types.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/mime_types.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/mime_types.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/mime_types.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/reply.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/reply.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/reply.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/reply.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/request.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/request.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/request_parser.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/request_parser.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/request_parser.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/request_parser.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/server.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/server.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/unyield.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/unyield.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/http\/server4\/yield.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/http\/server4\/yield.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t98\"><\/a>ICMP<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u5728ICMP\u4e0a\u4f7f\u7528\u539f\u751f\u7684Socket ping\u8fdc\u7a0b\u4e3b\u673a.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/icmp\/ping.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/icmp\/ping.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/icmp\/ipv4_header.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/icmp\/ipv4_header.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/icmp\/icmp_header.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/icmp\/icmp_header.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t99\"><\/a>\u8c03\u7528<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u81ea\u5b9a\u4e49\u5904\u7406\u51fd\u6570\u8c03\u7528.\u5c06\u5b8c\u6210\u53e5\u67c4\u52a0\u5165\u5230\u4e00\u4e2a\u4f18\u5148\u7ea7\u961f\u5217\u800c\u4e0d\u662f\u76f4\u63a5\u8c03\u7528.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/invocation\/prioritised_handlers.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/invocation\/prioritised_handlers.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t100\"><\/a>iostream<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u4f7f\u7528<a title=\"ip::tcp::iostream\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ip__tcp\/iostream.html\" target=\"_blank\" rel=\"noopener\">ip::tcp::iostream<\/a>.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/iostreams\/daytime_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/iostreams\/daytime_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/iostreams\/daytime_server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/iostreams\/daytime_server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/iostreams\/http_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/iostreams\/http_client.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t101\"><\/a>\u5e7f\u64ad<\/h3>\n<p>\u5c55\u793a\u4f7f\u7528\u5e7f\u64ad\u5411\u8ba2\u9605\u7ec4\u4f20\u8f93\u5305.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/multicast\/receiver.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/multicast\/receiver.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/multicast\/sender.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/multicast\/sender.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t102\"><\/a>\u5e8f\u5217\u5316<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u5728asio\u4e2d\u4f7f\u7528Boost.Serialization\u5e8f\u5217\u53f7\u548c\u53cd\u5e8f\u5217\u5316\u7ed3\u6784\u4f53,\u4ece\u800c\u5b9e\u73b0\u5728Socket\u4e0a\u4f20\u8f93\u6570\u636e\u5bf9\u8c61.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/serialization\/client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/serialization\/client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/serialization\/connection.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/serialization\/connection.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/serialization\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/serialization\/server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/serialization\/stock.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/serialization\/stock.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t103\"><\/a>\u670d\u52a1<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u5411asio\u7684io_service\u6574\u5408\u81ea\u5b9a\u4e49\u529f\u80fd(\u672c\u4f8b\u4e2d\u662f\u6dfb\u52a0\u4e86\u65e5\u5fd7\u529f\u80fd),\u4ee5\u53ca\u5728<a title=\"basic_stream_socket\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/basic_stream_socket.html\" target=\"_blank\" rel=\"noopener\">basic_stream_socket&lt;&gt;<\/a>\u4e0a\u4f7f\u7528\u81ea\u5b9a\u4e49\u670d\u52a1.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/services\/basic_logger.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/services\/basic_logger.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/services\/daytime_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/services\/daytime_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/services\/logger.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/services\/logger.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/services\/logger_service.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/services\/logger_service.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/services\/logger_service.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/services\/logger_service.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/services\/stream_socket_service.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/services\/stream_socket_service.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t104\"><\/a>SOCKS4\u534f\u8bae<\/h3>\n<p>\u8303\u4f8b\u5ba2\u6237\u7aef\u7a0b\u5e8f\u5b9e\u73b0\u4e86\u901a\u8fc7\u4ee3\u7406\u901a\u4fe1\u7684SOCKS4\u534f\u8bae.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/socks4\/sync_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/socks4\/sync_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/socks4\/socks4.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/socks4\/socks4.hpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t105\"><\/a>SSL<\/h3>\n<p>\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u8303\u4f8b\u7a0b\u5e8f\u6f14\u793a\u4e86\u5728\u5f02\u6b65\u64cd\u4f5c\u4e2d\u4f7f\u7528<a title=\"ssl::stream\" href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/reference\/ssl__stream.html\" target=\"_blank\" rel=\"noopener\">ssl::stream&lt;&gt;<\/a>\u6a21\u677f.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/ssl\/client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/ssl\/client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/ssl\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/ssl\/server.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t106\"><\/a>\u8d85\u65f6\u8bbe\u5b9a<\/h3>\n<p>\u4e0b\u9762\u7684\u4e00\u7cfb\u5217\u8303\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5728\u6307\u5b9a\u65f6\u95f4\u4e4b\u540e\u53d6\u6d88\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u5f02\u6b65\u64cd\u4f5c.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/timeouts\/async_tcp_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/timeouts\/async_tcp_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/timeouts\/blocking_tcp_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/timeouts\/blocking_tcp_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/timeouts\/blocking_udp_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/timeouts\/blocking_udp_client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/timeouts\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/timeouts\/server.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t107\"><\/a>\u5b9a\u65f6\u5668<\/h3>\n<p>\u8303\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5b9a\u5236deadline_time\u5b9e\u73b0\u4e0d\u540c\u7c7b\u578b\u7684\u8ba1\u65f6\u5668.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/timers\/tick_count_timer.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/timers\/tick_count_timer.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/timers\/time_t_timer.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/timers\/time_t_timer.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t108\"><\/a><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/examples.html#boost_asio.examples.porthopper\" target=\"_blank\" rel=\"noopener\">Porthopper<\/a><\/h3>\n<p>\u672c\u4f8b\u6f14\u793a\u4e86\u6df7\u5408\u540c\u6b65\u548c\u5f02\u6b65\u64cd\u4f5c,\u53ca\u5982\u4f55\u5728Boost.Asio\u4e2d\u4f7f\u7528Boost.Lambda.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/porthopper\/protocol.hpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/porthopper\/protocol.hpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/porthopper\/client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/porthopper\/client.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/porthopper\/server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/porthopper\/server.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t109\"><\/a>\u65e0\u963b\u585e<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u6574\u5408\u5b9e\u73b0IO\u64cd\u4f5c\u7684\u7b2c\u4e09\u65b9\u5e93\u6765\u5b9e\u73b0Reactor\u98ce\u683c\u7684\u64cd\u4f5c.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/nonblocking\/third_party_lib.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/nonblocking\/third_party_lib.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t110\"><\/a>UNIX\u9886\u57df\u7684Socket<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u4f7f\u7528UNIX\u9886\u57df\u7684Socket.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/local\/connect_pair.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/local\/connect_pair.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/local\/stream_server.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/local\/stream_server.cpp<\/a><\/li>\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/local\/stream_client.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/local\/stream_client.cpp<\/a><\/li>\n<\/ul>\n<h3><a target=\"_blank\" name=\"t111\"><\/a>Windows<\/h3>\n<p>\u5c55\u793a\u5982\u4f55\u5728Boost.Asio\u4e2d\u4f7f\u7528Windows\u7279\u6709\u7684TransmitFile\u51fd\u6570.<\/p>\n<ul type=\"disc\">\n<li><a href=\"file:\/\/\/D:\/boost1490\/doc\/html\/boost_asio\/example\/windows\/transmit_file.cpp\" target=\"_blank\" rel=\"noopener\">boost_asio\/example\/windows\/transmit_file.cpp<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"article-bar-bottom\">\n<div class=\"tags-box artic-tag-box\"><span class=\"label\">\u6587\u7ae0\u6807\u7b7e\uff1a<\/span>\u00a0<a class=\"tag-link\" href=\"http:\/\/so.csdn.net\/so\/search\/s.do?q=boost&amp;t=blog\" target=\"_blank\" rel=\"noopener\">boost<\/a><a class=\"tag-link\" href=\"http:\/\/so.csdn.net\/so\/search\/s.do?q=asio&amp;t=blog\" target=\"_blank\" rel=\"noopener\">asio<\/a><a class=\"tag-link\" href=\"http:\/\/so.csdn.net\/so\/search\/s.do?q=%E4%B8%AD%E6%96%87%E6%96%87%E6%A1%A3&amp;t=blog\" target=\"_blank\" rel=\"noopener\">\u4e2d\u6587\u6587\u6863<\/a><a class=\"tag-link\" href=\"http:\/\/so.csdn.net\/so\/search\/s.do?q=%E7%BD%91%E7%BB%9C%E5%BA%93&amp;t=blog\" target=\"_blank\" rel=\"noopener\">\u7f51\u7edc\u5e93<\/a><\/div>\n<div class=\"tags-box\"><span class=\"label\">\u4e2a\u4eba\u5206\u7c7b\uff1a<\/span>\u00a0<a class=\"tag-link\" href=\"https:\/\/blog.csdn.net\/majianfei1023\/article\/category\/1075567\" target=\"_blank\" rel=\"noopener\">c++<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>boost::asio\u4e2d\u6587\u6587\u6863 2015<\/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-1255","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1255","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=1255"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1255\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}