{"id":61427,"date":"2026-01-17T16:41:38","date_gmt":"2026-01-17T08:41:38","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61427.html"},"modified":"2026-01-17T16:41:38","modified_gmt":"2026-01-17T08:41:38","slug":"asio2-%e7%bd%91%e7%bb%9c%e9%80%9a%e4%bf%a1%e6%a1%86%e6%9e%b6%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%9atcp%e3%80%81udp%e3%80%81http%e3%80%81%e4%b8%b2%e5%8f%a3%e4%b8%8e%e5%ae%9a%e6%97%b6%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61427.html","title":{"rendered":"asio2 \u7f51\u7edc\u901a\u4fe1\u6846\u67b6\u5b66\u4e60\u7b14\u8bb0\uff1aTCP\u3001UDP\u3001HTTP\u3001\u4e32\u53e3\u4e0e\u5b9a\u65f6\u5668"},"content":{"rendered":"<h2>asio2 \u7f51\u7edc\u901a\u4fe1\u6846\u67b6\u4ee3\u7801\u4f7f\u7528\u793a\u4f8b&#xff08;TCP \/ UDP \/ HTTP \/ \u4e32\u53e3 \/ \u5b9a\u65f6\u5668&#xff09;<\/h2>\n<h3>\u672c\u6587\u76ee\u5f55<\/h3>\n<ul>\n<li>\u4e00\u3001TCP \u4f7f\u7528\n<ul>\n<li>1. TCP \u670d\u52a1\u7aef\u5b8c\u6574\u6d41\u7a0b\u793a\u4f8b<\/li>\n<li>2. TCP \u5ba2\u6237\u7aef\u5b8c\u6574\u6d41\u7a0b\u793a\u4f8b<\/li>\n<li>3. TCP \u56de\u8c03\u51fd\u6570\u662f\u5426\u5fc5\u987b\u5168\u90e8\u7f16\u5199&#xff1f;<\/li>\n<li>4. TCP \u670d\u52a1\u7aef \/ \u5ba2\u6237\u7aef\u5e38\u7528\u914d\u7f6e\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001UDP \u4f7f\u7528\n<ul>\n<li>1. UDP \u670d\u52a1\u7aef\u793a\u4f8b<\/li>\n<li>2. UDP \u5ba2\u6237\u7aef\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001HTTP \/ WebSocket \u4f7f\u7528\n<ul>\n<li>1. HTTP \u670d\u52a1\u7aef\u57fa\u672c\u793a\u4f8b<\/li>\n<li>2. AOP \u62e6\u622a\u5668\u673a\u5236<\/li>\n<li>3. defer \u5ef6\u8fdf\u54cd\u5e94\u673a\u5236<\/li>\n<li>4. WebSocket \u670d\u52a1\u7aef\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001HTTP \u5ba2\u6237\u7aef\u793a\u4f8b\n<ul>\n<li>1. HTTP \u6587\u4ef6\u4e0b\u8f7d<\/li>\n<li>2. HTTP \u540c\u6b65\u8bf7\u6c42<\/li>\n<li>3. URL \u7f16\u7801\u4e0e\u89e3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001\u4e32\u53e3\u901a\u4fe1\u793a\u4f8b<\/li>\n<li>\u516d\u3001\u5b9a\u65f6\u5668\u4f7f\u7528<\/li>\n<li>\u4e03\u3001\u624b\u52a8\u89e6\u53d1\u4e8b\u4ef6&#xff08;Condition Event&#xff09;<\/li>\n<\/ul>\n<h3>\u4e00\u3001TCP \u4f7f\u7528<\/h3>\n<h4>1. TCP \u670d\u52a1\u7aef\u5b8c\u6574\u6d41\u7a0b\u793a\u4f8b<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;asio2\/asio2.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string_view host <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string_view port <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;8028&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_server server<span class=\"token punctuation\">;<\/span><\/p>\n<p>    server<br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c1\u6b65&#xff1a;\u89e6\u53d1init\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u76d1\u542csocket\u6253\u5f00\u6210\u529f(\u5373socket(AF_INET, SOCK_STREAM, 0)\u51fd\u6570\u8c03\u7528\u7ed3\u675f)\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u53ea\u4f1a\u5728\u670d\u52a1\u7aef\u542f\u52a8\u65f6\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u7ed9\u76d1\u542csocket\u8bbe\u7f6e\u4e00\u4e9b\u9009\u9879\u4ec0\u4e48\u7684\u3002<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c2\u6b65&#xff1a;\u89e6\u53d1start\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u76d1\u542csocket\u76d1\u542c\u6210\u529f(\u5373bind,listen\u51fd\u6570\u8c03\u7528\u7ed3\u675f)\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u53ea\u4f1a\u5728\u670d\u52a1\u7aef\u542f\u52a8\u65f6\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u8bb0\u5f55\u670d\u52a1\u7aef\u542f\u52a8\u6210\u529f\u7684\u65e5\u5fd7\u3002<\/span><\/p>\n<p>            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;start tcp server : %s %u\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> server<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> server<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c3\u6b65&#xff1a;\u89e6\u53d1accept\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u67d0\u4e2a\u5ba2\u6237\u7aef\u521a\u8fde\u63a5\u4e0a\u670d\u52a1\u7aef\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u4f1a\u591a\u6b21\u89e6\u53d1&#xff0c;\u6bcf\u67091\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0a\u6765\u4e4b\u540e&#xff0c;\u5c31\u4f1a\u89e6\u53d11\u6b21\u3002\u4f461\u4e2a\u5ba2\u6237\u7aef\u53ea<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u89e6\u53d11\u6b21\u3002\u7531\u4e8e\u5ba2\u6237\u7aef\u6709\u6389\u7ebf\u81ea\u52a8\u91cd\u8fde\u673a\u5236&#xff0c;\u6240\u4ee5\u5ba2\u6237\u7aef\u6bcf\u91cd\u8fde1\u6b21&#xff0c;\u5c31\u4f1a\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u5224\u65ad\u8be5\u5ba2\u6237\u7aef\u662f\u4e0d\u662f\u5728\u9ed1\u540d\u5355\u4e2d&#xff0c;\u5982\u679c\u662f&#xff0c;\u76f4\u63a5\u8c03\u7528stop\u5c06\u8be5\u5ba2\u6237\u7aef\u65ad\u5f00\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6b64\u65f6\u8fd8\u4e0d\u80fd\u7ed9\u8fd9\u4e2a\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e&#xff0c;\u4f1a\u7531\u4e8e\u8fde\u63a5\u8fd8\u672a\u5b8c\u5168\u5efa\u7acb\u800c\u5bfc\u81f4\u53d1\u9001\u5931\u8d25\u3002<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;192.168.1.100&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c4\u6b65&#xff1a;\u89e6\u53d1connect\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u67d0\u4e2a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u7684\u8fde\u63a5\u5b8c\u5168\u5efa\u7acb\u6210\u529f\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u4f1a\u591a\u6b21\u89e6\u53d1&#xff0c;\u6bcf\u67091\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5b8c\u6210\u4e4b\u540e&#xff0c;\u5c31\u4f1a\u89e6\u53d11\u6b21\u3002\u4f461\u4e2a\u5ba2\u6237\u7aef\u53ea<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u7ed9\u8be5\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u4e86\u3002<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53ef\u80fd\u6709\u4eba\u4f1a\u95ee&#xff0c;\u5bf9\u4e8etcp\u6765\u8bf4&#xff0c;\u53ea\u8981\u8fde\u63a5\u5efa\u7acb\u4e86&#xff0c;\u4e0d\u5c31\u7acb\u5373\u53ef\u4ee5\u53d1\u6570\u636e\u4e86\u5417&#xff1f;\u4e3a\u4ec0\u4e48\u5728\u4e0a\u9762\u7684<\/span><br \/>\n            <span class=\"token comment\">\/\/ bind_accept\u4e2d\u4e0d\u80fd\u53d1&#xff0c;\u5728\u8fd9\u91cc\u7684bind_connect\u4e2d\u624d\u80fd\u53d1\u5462&#xff1f;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8fd9\u662f\u56e0\u4e3aasio2\u6846\u67b6\u4eba\u4e3a\u7684\u7ed9\u8fd9\u4e2a\u8fde\u63a5\u505a\u4e86\u4e00\u4e2a\u72b6\u6001\u6807\u8bc6(status)&#xff0c;\u5728bind_accept\u4e2d\u8be5status<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u662fstarting&#xff0c;\u8868\u793a\u8fde\u63a5\u8fd8\u672a\u5b8c\u5168\u5efa\u7acb&#xff0c;\u5f53\u89e6\u53d1\u5230bind_connect\u65f6\u624d\u4f1a\u7ed9\u8be5\u8fde\u63a5\u7684\u72b6\u6001\u6807\u8bc6\u8bbe\u7f6e<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u4e3astarted&#xff0c;\u8868\u793a\u8fde\u63a5\u5efa\u7acb\u5168\u90e8\u5b8c\u6210\u4e86\u3002\u6240\u4ee5\u5982\u679c\u5728bind_accept\u4e2d\u53d1\u9001\u6570\u636e\u7684\u8bdd&#xff0c;\u6846\u67b6\u4f1a\u5224\u65ad<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5230\u72b6\u6001\u6807\u8bc6\u4e0d\u662fstarted\u6240\u4ee5\u5c31\u4e0d\u5141\u8bb8\u53d1\u9001\u6570\u636e\u3002<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u90a3\u4e3a\u4ec0\u4e48\u8981\u505a\u8fd9\u6837\u4e00\u4e2a\u72b6\u6001\u6807\u8bc6\u5462&#xff1f;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u56e0\u4e3a\u5bf9\u4e8essl\u6765\u8bf4&#xff0c;\u8fde\u63a5\u5efa\u7acb\u4e4b\u540e&#xff0c;\u8fd8\u6709ssl\u63e1\u624b&#xff0c;\u53ea\u6709ssl\u63e1\u624b\u6210\u529f\u4ee5\u540e\u624d\u80fd\u6536\u53d1\u6570\u636e\u3002\u5bf9\u4e8e<\/span><br \/>\n            <span class=\"token comment\">\/\/ websocket\u6765\u8bf4&#xff0c;\u8fde\u63a5\u5efa\u7acb\u4e4b\u540e&#xff0c;\u8fd8\u6709upgrade\u5347\u7ea7\u534f\u5546&#xff0c;\u53ea\u6709upgrade\u5347\u7ea7\u4e4b\u540e\u624d\u80fd\u6536\u53d1\u6570\u636e&#xff0c;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6240\u4ee5\u4e3a\u4e86\u6574\u4f53\u6846\u67b6\u6d41\u7a0b\u7edf\u4e00&#xff0c;\u4eba\u4e3a\u7684\u505a\u4e86\u4e00\u4e2a\u89c4\u5b9a&#xff0c;\u53ea\u6709\u89e6\u53d1\u4e86bind_connect\u7684\u56de\u8c03\u51fd\u6570\u4e4b\u540e<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u624d\u8868\u793a\u6574\u4e2a\u8fde\u63a5\u5b8c\u5168\u5efa\u7acb\u7ed3\u675f\u4e86\u3002<\/span><\/p>\n<p>            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">no_delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;client enter : %s %u %s %u\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">local_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">local_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string_view data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c5\u6b65&#xff1a;\u89e6\u53d1recv\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u6536\u5230\u67d0\u4e2a\u5ba2\u6237\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u6570\u636e\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u4f1a\u591a\u6b21\u89e6\u53d1&#xff0c;\u6bcf\u67091\u4e2a\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u8fc7\u6765\u4e4b\u540e&#xff0c;\u5c31\u4f1a\u89e6\u53d11\u6b21\u3002\u4e141\u4e2a\u5ba2\u6237\u7aef\u4e5f\u4f1a<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u89e6\u53d1\u591a\u6b21&#xff0c;\u5373\u53d1\u9001\u6570\u636e\u5c31\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5728\u8fd9\u91cc\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u89e3\u6790\u5904\u7406\u3002<\/span><\/p>\n<p>            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recv : %u %.*s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">unsigned<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t bytes_sent<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_disconnect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c6\u6b65&#xff1a;\u89e6\u53d1disconnect\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u67d0\u4e2a\u5ba2\u6237\u7aef\u5173\u95ed\u4e86&#xff0c;\u670d\u52a1\u7aef\u6536\u5230\u8be5\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u65ad\u5f00\u4e8b\u4ef6\u4e4b\u540e&#xff0c;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5728\u8be5\u8fde\u63a5\u5bf9\u5e94\u7684socket\u5173\u95ed\u4e4b\u524d(\u5373closesocket\u51fd\u6570\u8c03\u7528\u4e4b\u524d)&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u4f1a\u591a\u6b21\u89e6\u53d1&#xff0c;\u6bcf\u67091\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5b8c\u6210\u4e4b\u540e&#xff0c;\u5c31\u4f1a\u89e6\u53d11\u6b21\u3002\u4f461\u4e2a\u5ba2\u6237\u7aef\u53ea<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u8bb0\u5f55\u5ba2\u6237\u7aef\u7684\u65ad\u5f00\u65e5\u5fd7\u3002<\/span><\/p>\n<p>            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;client leave : %s %u %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c7\u6b65&#xff1a;\u89e6\u53d1stop\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u5173\u95ed\u670d\u52a1\u7aef\u65f6&#xff0c;\u5728\u6240\u6709\u7684\u8fde\u63a5\u90fd\u5168\u90e8\u65ad\u5f00\u4e86\u4e4b\u540e&#xff0c;\u5728\u76d1\u542csocket\u5173\u95ed\u4e4b\u524d&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6ce8\u610f&#xff1a;\u5fc5\u987b\u6240\u6709\u8fde\u63a5\u5168\u90e8\u65ad\u5f00\u4e86&#xff0c;\u4e14\u6240\u6709\u7684session_ptr\u7684\u5f15\u7528\u8ba1\u6570\u4e3a0\u4e86&#xff0c;\u8fd9\u91cc\u624d\u4f1a\u89e6\u53d1&#xff0c;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u56e0\u6b64\u5982\u679c\u4f60\u5c06session_ptr\u4fdd\u5b58\u5728\u4e86\u5176\u5b83\u5730\u65b9&#xff0c;\u4e00\u5b9a\u8981\u8bb0\u5f97\u5c06\u4f60\u4fdd\u5b58\u7684session_ptr\u5220\u9664&#xff0c;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5426\u5219server.stop()\u51fd\u6570\u4f1a\u4e00\u76f4\u963b\u585e\u65e0\u6cd5\u7ed3\u675f&#xff0c;\u8fd9\u91cc\u7684\u56de\u8c03\u51fd\u6570\u4e5f\u65e0\u6cd5\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u53ea\u4f1a\u5728\u670d\u52a1\u7aef\u5173\u95ed\u65f6\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u8bb0\u5f55\u670d\u52a1\u7aef\u7684\u505c\u6b62\u65e5\u5fd7\u3002<\/span><\/p>\n<p>            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;stop tcp server : %d %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_val<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span>host<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getchar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token char\">&#039;\\\\n&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ press enter to exit this program<\/span><\/p>\n<p>    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>2. TCP \u5ba2\u6237\u7aef\u5b8c\u6574\u6d41\u7a0b\u793a\u4f8b<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;asio2\/asio2.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string_view host <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string_view port <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;8028&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_client client<span class=\"token punctuation\">;<\/span><\/p>\n<p>    client<br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c1\u6b65&#xff1a;\u89e6\u53d1init\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u5ba2\u6237\u7aefsocket\u6253\u5f00\u6210\u529f(\u5373socket(AF_INET, SOCK_STREAM, 0)\u51fd\u6570\u8c03\u7528\u7ed3\u675f)\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u53ea\u4f1a\u5728\u5ba2\u6237\u7aef\u542f\u52a8\u65f6\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u7ed9socket\u8bbe\u7f6e\u4e00\u4e9b\u9009\u9879\u4ec0\u4e48\u7684\u3002<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c2\u6b65&#xff1a;\u89e6\u53d1connect\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u7aef\u5b8c\u6210\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u53ea\u4f1a\u5728\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u7aef\u65f6\u89e6\u53d11\u6b21&#xff0c;\u4e0d\u7ba1\u8fde\u63a5\u6210\u529f\u8fd8\u662f\u8fde\u63a5\u5931\u8d25\u90fd\u4f1a\u89e6\u53d1\u3002\u8fde\u63a5<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6210\u529f\u8fd8\u662f\u5931\u8d25&#xff0c;\u53ef\u4ee5\u4f7f\u7528asio2::get_last_error()\u6765\u8fdb\u884c\u5224\u65ad\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6ce8\u610f&#xff1a;\u5ba2\u6237\u7aef\u6709\u6389\u7ebf\u81ea\u52a8\u91cd\u8fde\u673a\u5236&#xff0c;\u56e0\u6b64&#xff0c;\u5982\u679c\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u7aef\u5931\u8d25&#xff0c;\u90a3\u4e48\u5ba2\u6237\u7aef\u8fc7\u51e0\u79d2\u540e<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u4f1a\u518d\u6b21\u81ea\u52a8\u8fde\u63a5\u670d\u52a1\u7aef&#xff0c;\u6bcf\u8fde\u63a5\u4e00\u6b21\u670d\u52a1\u7aef&#xff0c;\u4e0d\u7ba1\u8fde\u63a5\u6210\u529f\u8fd8\u662f\u5931\u8d25&#xff0c;\u6b64\u51fd\u6570\u5c31\u4f1a\u88ab\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u7ed9\u5411\u670d\u52a1\u7aef\u53d1\u9001\u6570\u636e\u4e86\u3002<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_last_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;connect failure : %d %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_val<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;connect success : %s %u\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> client<span class=\"token punctuation\">.<\/span><span class=\"token function\">local_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> client<span class=\"token punctuation\">.<\/span><span class=\"token function\">local_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5982\u679c\u6ca1\u6709\u9519\u8bef&#xff0c;\u5c31\u8868\u793a\u8fde\u63a5\u6210\u529f&#xff0c;\u53ef\u4ee5\u5411\u670d\u52a1\u7aef\u53d1\u9001\u6570\u636e\u4e86\u3002<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_last_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                client<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&lt;abcdefghijklmnopqrstovuxyz0123456789&gt;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string_view data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c3\u6b65&#xff1a;\u89e6\u53d1recv\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u6536\u5230\u670d\u52a1\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u6570\u636e\u4e4b\u540e&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u4f1a\u591a\u6b21\u89e6\u53d1&#xff0c;\u6bcf\u63a5\u6536\u52301\u6b21\u6570\u636e&#xff0c;\u5c31\u4f1a\u89e6\u53d11\u6b21\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u89e3\u6790\u5904\u7406\u3002<\/span><\/p>\n<p>            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recv : %u %.*s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">unsigned<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            client<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_disconnect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7b2c4\u6b65&#xff1a;\u89e6\u53d1disconnect\u56de\u8c03\u51fd\u6570<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f53\u5ba2\u6237\u7aef\u5173\u95ed\u65f6(\u6216\u8005\u670d\u52a1\u7aef\u5173\u95ed\u4e86)&#xff0c;\u5728socket\u5373\u5c06\u5173\u95ed\u4e4b\u524d&#xff0c;\u8fd9\u91cc\u88ab\u89e6\u53d1\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u53ea\u4f1a\u5728\u5ba2\u6237\u7aef\u5173\u95ed\u65f6\u89e6\u53d11\u6b21\u3002\u4e14\u53ea\u6709\u5728\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f\u4e4b\u540e\u624d\u4f1a\u88ab\u89e6\u53d1&#xff0c;\u5c31\u662f<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8bf4\u5982\u679c\u5ba2\u6237\u7aef\u6ca1\u6709\u6210\u529f\u8fde\u63a5\u4e0a\u670d\u52a1\u7aef&#xff0c;\u90a3\u4e48\u5ba2\u6237\u7aef\u5728\u5173\u95ed\u65f6\u662f\u4e0d\u4f1a\u89e6\u53d1disconnect\u7684\u3002<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u8bb0\u5f55\u5ba2\u6237\u7aef\u7684\u5173\u95ed\u65e5\u5fd7\u3002<\/span><\/p>\n<p>            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;disconnect : %d %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_val<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    client<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span>host<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getchar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token char\">&#039;\\\\n&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>3. TCP \u56de\u8c03\u51fd\u6570\u662f\u5426\u5fc5\u987b\u5168\u90e8\u7f16\u5199&#xff1f;<\/h4>\n<ul>\n<li>\u4e0d\u662f\u5fc5\u987b<\/li>\n<li>\u53ef\u6309\u9700\u7ed1\u5b9a\u4efb\u610f\u6570\u91cf\u56de\u8c03<\/li>\n<li>\u6700\u5c11\u53ea\u5199 bind_recv \u5373\u53ef\u5de5\u4f5c<\/li>\n<\/ul>\n<h5>\u4ec5\u63a5\u6536\u6570\u636e\u7684 TCP \u670d\u52a1\u7aef\u793a\u4f8b<\/h5>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;asio2\/asio2.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string_view host <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string_view port <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;8028&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_server server<span class=\"token punctuation\">;<\/span><\/p>\n<p>    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string_view data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recv : %u %.*s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">unsigned<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            data<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>size_t bytes_sent<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span>host<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getchar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token char\">&#039;\\\\n&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>4. TCP \u670d\u52a1\u7aef\/\u5ba2\u6237\u7aef\u5e38\u7528\u914d\u7f6e\u793a\u4f8b<\/h4>\n<h5>\u670d\u52a1\u7aef<\/h5>\n<p>asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_server server<span class=\"token punctuation\">;<\/span><br \/>\nserver<br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string_view s<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recv : %zu %.*s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> s<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>s<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">no_delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;client enter : %s %u %s %u\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">local_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">local_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_disconnect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;client leave : %s %u %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;8080&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u5ba2\u6237\u7aef<\/h5>\n<p>asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_client client<span class=\"token punctuation\">;<\/span><br \/>\nclient<span class=\"token punctuation\">.<\/span><span class=\"token function\">auto_reconnect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">seconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>client<br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_last_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;connect failure : %d %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_val<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;connect success : %s %u\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                client<span class=\"token punctuation\">.<\/span><span class=\"token function\">local_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                client<span class=\"token punctuation\">.<\/span><span class=\"token function\">local_port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_last_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            client<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&lt;abcdefghijklmnopqrstovuxyz0123456789&gt;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_disconnect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;disconnect : %d %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_val<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string_view sv<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recv : %zu %.*s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            sv<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>sv<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            sv<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        client<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span>sv<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;8080&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>\u4e8c\u3001UDP \u4f7f\u7528<\/h3>\n<h4>UDP \u670d\u52a1\u7aef<\/h4>\n<p>asio2<span class=\"token double-colon punctuation\">::<\/span>udp_server server<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8230; \u7ed1\u5b9a\u76d1\u542c\u5668(\u8bf7\u67e5\u770bTCP\u7684example\u4ee3\u7801)<\/span><br \/>\nserver<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;8080&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u666e\u901a UDP<\/span><br \/>\n<span class=\"token comment\">\/\/ server.start(&#034;0.0.0.0&#034;, &#034;8080&#034;, asio2::use_kcp); \/\/ \u53ef\u9760 UDP<\/span><\/p>\n<h4>UDP \u5ba2\u6237\u7aef<\/h4>\n<p>asio2<span class=\"token double-colon punctuation\">::<\/span>udp_client client<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8230; \u7ed1\u5b9a\u76d1\u542c\u5668(\u8bf7\u67e5\u770bTCP\u7684example\u4ee3\u7801)<\/span><br \/>\nclient<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;8080&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ client.async_start(&#034;0.0.0.0&#034;, &#034;8080&#034;, asio2::use_kcp);<\/span><\/p>\n<hr \/>\n<h3>\u4e09\u3001HTTP \/ WebSocket \u4f7f\u7528<\/h3>\n<h4>HTTP \u670d\u52a1\u7aef&#xff08;\u542b AOP \u62e6\u622a\u5668\u3001WebSocket&#xff09;<\/h4>\n<p><span class=\"token comment\">\/\/ http \u8bf7\u6c42\u62e6\u622a\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">aop_log<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">before<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        asio2<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ignore_unused<\/span><span class=\"token punctuation\">(<\/span>rep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;aop_log before %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> req<span class=\"token punctuation\">.<\/span><span class=\"token function\">method_string<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd4\u56detrue\u5219\u540e\u7eed\u7684\u62e6\u622a\u5668\u4f1a\u63a5\u7740\u8c03\u7528,\u8fd4\u56defalse\u5219\u540e\u7eed\u7684\u62e6\u622a\u5668\u4e0d\u4f1a\u88ab\u8c03\u7528<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">after<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>http_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        asio2<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ignore_unused<\/span><span class=\"token punctuation\">(<\/span>session_ptr<span class=\"token punctuation\">,<\/span> req<span class=\"token punctuation\">,<\/span> rep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;aop_log after\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">aop_check<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">before<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>http_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        asio2<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ignore_unused<\/span><span class=\"token punctuation\">(<\/span>session_ptr<span class=\"token punctuation\">,<\/span> req<span class=\"token punctuation\">,<\/span> rep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;aop_check before\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">after<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        asio2<span class=\"token double-colon punctuation\">::<\/span>detail<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ignore_unused<\/span><span class=\"token punctuation\">(<\/span>req<span class=\"token punctuation\">,<\/span> rep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;aop_check after\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>asio2<span class=\"token double-colon punctuation\">::<\/span>http_server server<span class=\"token punctuation\">;<\/span><\/p>\n<p>server<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">bind<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>get<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>post<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token string\">&#034;\/index.*&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> req<span class=\"token punctuation\">.<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> req<span class=\"token punctuation\">.<\/span><span class=\"token function\">query<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>        rep<span class=\"token punctuation\">.<\/span><span class=\"token function\">fill_file<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;..\/..\/..\/index.html&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        rep<span class=\"token punctuation\">.<\/span><span class=\"token function\">chunked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    aop_log <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>server<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">bind<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>get<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token string\">&#034;\/del_user&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>http_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u56de\u8c03\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u53ef\u4ee5\u662f\u4f1a\u8bdd\u6307\u9488session_ptr(\u8fd9\u4e2a\u53c2\u6570\u4e5f\u53ef\u4ee5\u4e0d\u8981)<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;del_user ip : %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remote_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ fill_page\u51fd\u6570\u7528\u7ed9\u5b9a\u7684\u9519\u8bef\u4ee3\u7801\u6784\u9020\u4e00\u4e2a\u7b80\u5355\u7684\u6807\u51c6\u9519\u8bef\u9875,&lt;html&gt;&#8230;&lt;\/html&gt;\u8fd9\u6837<\/span><br \/>\n        rep<span class=\"token punctuation\">.<\/span><span class=\"token function\">fill_page<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>ok<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;del_user successed.&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    aop_check <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>server<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">bind<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>get<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token string\">&#034;\/api\/user\/*&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rep<span class=\"token punctuation\">.<\/span><span class=\"token function\">fill_text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;the user name is hanmeimei, &#8230;..&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    aop_log <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> aop_check <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>server<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">bind<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>verb<span class=\"token double-colon punctuation\">::<\/span>get<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token string\">&#034;\/defer&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4f7f\u7528defer\u8ba9http\u54cd\u5e94\u5ef6\u8fdf\u53d1\u9001,defer\u7684\u667a\u80fd\u6307\u9488\u9500\u6bc1\u65f6,\u624d\u4f1a\u81ea\u52a8\u53d1\u9001response<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>http<span class=\"token double-colon punctuation\">::<\/span>response_defer<span class=\"token operator\">&gt;<\/span> rep_defer <span class=\"token operator\">&#061;<\/span> rep<span class=\"token punctuation\">.<\/span><span class=\"token function\">defer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>rep_defer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">mutable<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>this_thread<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">sleep_for<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">milliseconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">auto<\/span> newrep <span class=\"token operator\">&#061;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span>http_client<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;http:\/\/www.baidu.com&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            rep <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">move<\/span><span class=\"token punctuation\">(<\/span>newrep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">detach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    aop_log <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> aop_check <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5bf9websocket\u7684\u652f\u6301<\/span><br \/>\nserver<span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/ws&#034;<\/span><span class=\"token punctuation\">,<\/span> websocket<span class=\"token double-colon punctuation\">::<\/span>listener<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>http_session<span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n                       <span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;message&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                           <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>http_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string_view data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                               <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ws msg : %zu %.*s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                               session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                           <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                       <span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;open&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                           <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>http_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                               <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ws open\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                               <span class=\"token comment\">\/\/ \u6253\u5370websocket\u7684http\u8bf7\u6c42\u5934<\/span><br \/>\n                               std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>                               <span class=\"token comment\">\/\/ \u5982\u4f55\u7ed9websocket\u54cd\u5e94\u5934\u586b\u5145\u989d\u5916\u4fe1\u606f<\/span><br \/>\n                               session_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">ws_stream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set_option<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                                   websocket<span class=\"token double-colon punctuation\">::<\/span>stream_base<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">decorator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>websocket<span class=\"token double-colon punctuation\">::<\/span>response_type <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                                       rep<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>field<span class=\"token double-colon punctuation\">::<\/span>authorization<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; http-server-coro&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                                   <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                           <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                       <span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;close&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>http_session<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>session_ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                           <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ws close\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                       <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>server<span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_not_found<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>web_request <span class=\"token operator\">&amp;<\/span>req<span class=\"token punctuation\">,<\/span> http<span class=\"token double-colon punctuation\">::<\/span>web_response <span class=\"token operator\">&amp;<\/span>rep<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ fill_page\u51fd\u6570\u53ef\u4ee5\u6784\u9020\u4e00\u4e2a\u7b80\u5355\u7684\u6807\u51c6\u9519\u8bef\u9875<\/span><br \/>\n    rep<span class=\"token punctuation\">.<\/span><span class=\"token function\">fill_page<\/span><span class=\"token punctuation\">(<\/span>http<span class=\"token double-colon punctuation\">::<\/span>status<span class=\"token double-colon punctuation\">::<\/span>not_found<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>\u56db\u3001HTTP \u5ba2\u6237\u7aef\u793a\u4f8b<\/h3>\n<p><span class=\"token comment\">\/\/ 1. http\u4e0b\u8f7d\u5927\u6587\u4ef6\u5e76\u76f4\u63a5\u4fdd\u5b58<\/span><br \/>\n<span class=\"token comment\">\/\/ The file is in this directory: \/asio2\/example\/bin\/x64\/QQ9.6.7.28807.exe<\/span><br \/>\nasio2<span class=\"token double-colon punctuation\">::<\/span>https_client<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">download<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;https:\/\/dldir1.qq.com\/qqfile\/qq\/PCQQ9.6.7\/QQ9.6.7.28807.exe&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;QQ9.6.7.28807.exe&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. http\u4e0b\u8f7d\u5927\u6587\u4ef6\u5e76\u5faa\u73af\u8c03\u7528\u56de\u8c03\u51fd\u6570&#xff0c;\u53ef\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u5199\u5165\u6587\u4ef6&#xff0c;\u53ef\u5b9e\u73b0\u8fdb\u5ea6\u6761\u4e4b\u7c7b\u529f\u80fd<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>fstream <span class=\"token function\">hugefile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CentOS-7-x86_64-DVD-2009.iso&#034;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>out <span class=\"token operator\">|<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>binary <span class=\"token operator\">|<\/span> std<span class=\"token double-colon punctuation\">::<\/span>ios<span class=\"token double-colon punctuation\">::<\/span>trunc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nasio2<span class=\"token double-colon punctuation\">::<\/span>https_client<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">download<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>ssl<span class=\"token double-colon punctuation\">::<\/span>context <span class=\"token punctuation\">{<\/span> asio<span class=\"token double-colon punctuation\">::<\/span>ssl<span class=\"token double-colon punctuation\">::<\/span>context<span class=\"token double-colon punctuation\">::<\/span>tlsv13 <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;https:\/\/mirrors.tuna.tsinghua.edu.cn\/centos\/7.9.2009\/isos\/x86_64\/CentOS-7-x86_64-DVD-2009.iso&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token comment\">\/\/[](auto&amp; header) \/\/ http header callback. this param is optional. the body callback is required.<\/span><br \/>\n    <span class=\"token comment\">\/\/{<\/span><br \/>\n    <span class=\"token comment\">\/\/  std::cout &lt;&lt; header &lt;&lt; std::endl;<\/span><br \/>\n    <span class=\"token comment\">\/\/},<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>hugefile<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string_view chunk<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ http body callback.<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        hugefile<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>chunk<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> chunk<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nhugefile<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u901a\u8fc7URL\u5b57\u7b26\u4e32\u751f\u6210\u4e00\u4e2ahttp\u8bf7\u6c42\u5bf9\u8c61<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> req1 <span class=\"token operator\">&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;http:\/\/www.baidu.com\/get_user?name&#061;abc&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u901a\u8fc7URL\u5b57\u7b26\u4e32\u76f4\u63a5\u8bf7\u6c42\u67d0\u4e2a\u7f51\u5740,\u8fd4\u56de\u7ed3\u679c\u5728rep1\u4e2d<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> rep1 <span class=\"token operator\">&#061;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span>http_client<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;http:\/\/www.baidu.com\/get_user?name&#061;abc&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u901a\u8fc7asio2::get_last_error()\u5224\u65ad\u662f\u5426\u53d1\u751f\u9519\u8bef<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_last_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> rep1 <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6253\u5370http\u8bf7\u6c42\u7ed3\u679c<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u901a\u8fc7http\u534f\u8bae\u5b57\u7b26\u4e32\u751f\u6210\u4e00\u4e2ahttp\u8bf7\u6c42\u5bf9\u8c61<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> req2 <span class=\"token operator\">&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;GET \/ HTTP\/1.1\\\\r\\\\nHost: 192.168.0.1\\\\r\\\\n\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u901a\u8fc7\u8bf7\u6c42\u5bf9\u8c61\u53d1\u9001http\u8bf7\u6c42<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> rep2 <span class=\"token operator\">&#061;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span>http_client<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;www.baidu.com&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;80&#034;<\/span><span class=\"token punctuation\">,<\/span> req2<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">seconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_last_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> rep2 <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>std<span class=\"token double-colon punctuation\">::<\/span>stringstream ss<span class=\"token punctuation\">;<\/span><br \/>\nss <span class=\"token operator\">&lt;&lt;<\/span> rep2<span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string result <span class=\"token operator\">&#061;<\/span> ss<span class=\"token punctuation\">.<\/span><span class=\"token function\">str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u5c06http\u8bf7\u6c42\u7ed3\u679c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6url\u4e2d\u7684path\u90e8\u5206\u7684\u503c<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> path <span class=\"token operator\">&#061;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span>http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">url_to_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/get_user?name&#061;abc&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> path <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6url\u4e2d\u7684query\u90e8\u5206\u7684\u503c<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> query <span class=\"token operator\">&#061;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span>http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">url_to_query<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/get_user?name&#061;abc&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> query <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">auto<\/span> rep3 <span class=\"token operator\">&#061;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span>http_client<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;www.baidu.com&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;80&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/api\/get_user?name&#061;abc&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">get_last_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> asio2<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">last_error_msg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> rep3 <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ URL\u7f16\u89e3\u7801<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string en <span class=\"token operator\">&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">url_encode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token raw-string string\">R&#034;(http:\/\/www.baidu.com\/json&#061;{&#034;qeury&#034;:&#034;name like &#039;%abc%&#039;&#034;,&#034;id&#034;:1})&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> en <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string de <span class=\"token operator\">&#061;<\/span> http<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">url_decode<\/span><span class=\"token punctuation\">(<\/span>en<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> de <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5176\u5b83\u7684\u66f4\u591a\u7528\u6cd5\u8bf7\u67e5\u770bexample\u793a\u4f8b\u4ee3\u7801<\/span><\/p>\n<h3>\u4e94\u3001\u4e32\u53e3\u901a\u4fe1\u793a\u4f8b<\/h3>\n<p>std<span class=\"token double-colon punctuation\">::<\/span>string_view device <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;COM1&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ windows<\/span><br \/>\n<span class=\"token comment\">\/\/ std::string_view device &#061; &#034;\/dev\/ttyS0&#034;; \/\/ linux<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string_view baud_rate <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;9600&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>asio2<span class=\"token double-colon punctuation\">::<\/span>serial_port sp<span class=\"token punctuation\">;<\/span><br \/>\nsp<span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u4e32\u53e3\u53c2\u6570<\/span><br \/>\n      sp<span class=\"token punctuation\">.<\/span><span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set_option<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>serial_port<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">flow_control<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>serial_port<span class=\"token double-colon punctuation\">::<\/span>flow_control<span class=\"token double-colon punctuation\">::<\/span>type<span class=\"token double-colon punctuation\">::<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      sp<span class=\"token punctuation\">.<\/span><span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set_option<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>serial_port<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">parity<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>serial_port<span class=\"token double-colon punctuation\">::<\/span>parity<span class=\"token double-colon punctuation\">::<\/span>type<span class=\"token double-colon punctuation\">::<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      sp<span class=\"token punctuation\">.<\/span><span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set_option<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>serial_port<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stop_bits<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>serial_port<span class=\"token double-colon punctuation\">::<\/span>stop_bits<span class=\"token double-colon punctuation\">::<\/span>type<span class=\"token double-colon punctuation\">::<\/span>one<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      sp<span class=\"token punctuation\">.<\/span><span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set_option<\/span><span class=\"token punctuation\">(<\/span>asio<span class=\"token double-colon punctuation\">::<\/span>serial_port<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">character_size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string_view sv<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recv : %zu %.*s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sv<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>sv<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> sv<span class=\"token punctuation\">.<\/span><span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u63a5\u6536\u4e32\u53e3\u6570\u636e<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string s<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint8_t<\/span> len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">uint8_t<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    s <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token char\">&#039;&lt;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint8_t<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> len<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        s <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> <span class=\"token number\">26<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token char\">&#039;a&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    s <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token char\">&#039;&gt;&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    sp<span class=\"token punctuation\">.<\/span><span class=\"token function\">async_send<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6ca1\u6709\u6307\u5b9a\u5982\u4f55\u89e3\u6790\u4e32\u53e3\u6570\u636e,\u9700\u8981\u7528\u6237\u81ea\u5df1\u53bb\u89e3\u6790\u4e32\u53e3\u6570\u636e<\/span><br \/>\n<span class=\"token comment\">\/\/ sp.start(device, baud_rate);<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6309\u7167\u5355\u4e2a\u5b57\u7b26&#039;&gt;&#039;\u4f5c\u4e3a\u6570\u636e\u5206\u9694\u7b26\u81ea\u52a8\u89e3\u6790\u4e32\u53e3\u6570\u636e<\/span><br \/>\nsp<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span>device<span class=\"token punctuation\">,<\/span> baud_rate<span class=\"token punctuation\">,<\/span> <span class=\"token char\">&#039;&gt;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6309\u7167\u5b57\u7b26\u4e32&#034;\\\\r\\\\n&#034;\u4f5c\u4e3a\u6570\u636e\u5206\u9694\u7b26\u81ea\u52a8\u89e3\u6790\u4e32\u53e3\u6570\u636e<\/span><br \/>\n<span class=\"token comment\">\/\/ sp.start(device, baud_rate, &#034;\\\\r\\\\n&#034;);<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6309\u7167\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u534f\u8bae\u81ea\u52a8\u89e3\u6790,\u5173\u4e8ematch_role\u5982\u4f55\u4f7f\u7528\u8bf7\u53c2\u8003tcp\u90e8\u5206\u8bf4\u660e<\/span><br \/>\n<span class=\"token comment\">\/\/ sp.start(device, baud_rate, match_role);<\/span><\/p>\n<p><span class=\"token comment\">\/\/ sp.start(device, baud_rate, asio::transfer_at_least(1));<\/span><br \/>\n<span class=\"token comment\">\/\/ sp.start(device, baud_rate, asio::transfer_exactly(10));<\/span><\/p>\n<hr \/>\n<h3>\u516d\u3001\u5b9a\u65f6\u5668\u4f7f\u7528<\/h3>\n<p><span class=\"token comment\">\/\/ \u6846\u67b6\u4e2d\u63d0\u4f9b\u4e86\u5b9a\u65f6\u5668\u529f\u80fd,\u4f7f\u7528\u975e\u5e38\u7b80\u5355,\u5982\u4e0b(\u66f4\u591a\u793a\u4f8b\u8bf7\u53c2\u8003example\/timer\/timer.cpp):<\/span><br \/>\nasio2<span class=\"token double-colon punctuation\">::<\/span>timer timer<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u53c2\u65701\u8868\u793a\u5b9a\u65f6\u5668ID,\u53c2\u65702\u8868\u793a\u5b9a\u65f6\u5668\u95f4\u9694,\u53c2\u65703\u4e3a\u5b9a\u65f6\u5668\u56de\u8c03\u51fd\u6570<\/span><br \/>\ntimer<span class=\"token punctuation\">.<\/span><span class=\"token function\">start_timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">seconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;timer 1\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u6ee1\u8db3\u67d0\u4e2a\u6761\u4ef6\u65f6\u5173\u95ed\u5b9a\u65f6\u5668,\u5f53\u7136\u4e5f\u53ef\u4ee5\u5728\u5176\u5b83\u4efb\u610f\u5730\u65b9\u5173\u95ed\u5b9a\u65f6\u5668<\/span><br \/>\n        timer<span class=\"token punctuation\">.<\/span><span class=\"token function\">stop_timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6267\u884c5\u6b21\u7684\u5b9a\u65f6\u5668,\u5b9a\u65f6\u5668id\u662f\u5b57\u7b26\u4e32&#034;id2&#034;,\u5b9a\u65f6\u5668\u95f4\u9694\u662f2000\u6beb\u79d2<\/span><br \/>\ntimer<span class=\"token punctuation\">.<\/span><span class=\"token function\">start_timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;id2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;timer id2, loop 5 times\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u9996\u6b21\u6267\u884c\u4f1a\u5ef6\u65f65000\u6beb\u79d2\u7684\u5b9a\u65f6\u5668,\u5b9a\u65f6\u5668id\u662f5,\u5b9a\u65f6\u5668\u95f4\u9694\u662f1000\u6beb\u79d2<\/span><br \/>\ntimer<span class=\"token punctuation\">.<\/span><span class=\"token function\">start_timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">milliseconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">milliseconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;timer 5, loop infinite, delay 5 seconds\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6240\u6709\u7684server,client,session\u7b49\u90fd\u7ee7\u627f\u4e86timer,\u6240\u4ee5server,client,session\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b9a\u65f6\u5668\u529f\u80fd.<\/span><\/p>\n<hr \/>\n<h3>\u4e03\u3001\u624b\u52a8\u89e6\u53d1\u4e8b\u4ef6&#xff08;Condition Event&#xff09;<\/h3>\n<p>asio2<span class=\"token double-colon punctuation\">::<\/span>tcp_client client<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6295\u9012\u4e00\u4e2a\u5f02\u6b65\u6761\u4ef6\u4e8b\u4ef6,\u9664\u975e\u8fd9\u4e2a\u4e8b\u4ef6\u88ab\u4e3b\u52a8\u89e6\u53d1,\u5426\u5219\u6c38\u8fdc\u4e0d\u4f1a\u6267\u884c<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>asio2<span class=\"token double-colon punctuation\">::<\/span>condition_event<span class=\"token operator\">&gt;<\/span> event_ptr <span class=\"token operator\">&#061;<\/span> client<span class=\"token punctuation\">.<\/span><span class=\"token function\">post_condition_event<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ do something.<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">bind_recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string_view data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6bd4\u5982\u8fbe\u5230\u67d0\u4e2a\u6761\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>data <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;some_condition&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u89e6\u53d1\u4e8b\u4ef6\u8ba9\u4e8b\u4ef6\u5f00\u59cb\u6267\u884c<\/span><br \/>\n        event_ptr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">notify<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>asio2 \u7f51\u7edc\u901a\u4fe1\u6846\u67b6\u4ee3\u7801\u4f7f\u7528\u793a\u4f8b&#xff08;TCP \/ UDP \/ HTTP \/ \u4e32\u53e3 \/ \u5b9a\u65f6\u5668&#xff09;<br \/>\n\u672c\u6587\u76ee\u5f55<br \/>\n\u4e00\u3001TCP \u4f7f\u7528 1. TCP \u670d\u52a1\u7aef\u5b8c\u6574\u6d41\u7a0b\u793a\u4f8b2. TCP \u5ba2\u6237\u7aef\u5b8c\u6574\u6d41\u7a0b\u793a\u4f8b3. TCP \u56de\u8c03\u51fd\u6570\u662f\u5426\u5fc5\u987b\u5168\u90e8\u7f16\u5199&#xff1f;4. TCP \u670d\u52a1\u7aef \/ \u5ba2\u6237\u7aef\u5e38\u7528\u914d\u7f6e\u793a\u4f8b \u4e8c\u3001UDP \u4f7f\u7528 1. UDP \u670d\u52a1\u7aef\u793a\u4f8b2. UDP \u5ba2\u6237\u7aef\u793a\u4f8b \u4e09\u3001HTTP \/ WebSocket \u4f7f\u7528 1. HTTP \u670d\u52a1\u7aef\u57fa\u672c\u793a\u4f8b2. 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