{"id":832,"date":"2017-12-20T17:28:06","date_gmt":"2017-12-20T09:28:06","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=832"},"modified":"2017-12-20T17:28:06","modified_gmt":"2017-12-20T09:28:06","slug":"muduo%e6%ba%90%e7%a0%81%e9%98%85%e8%af%bb","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/832","title":{"rendered":"muduo\u6e90\u7801\u9605\u8bfb"},"content":{"rendered":"<header>\n<p class=\"meta\"><time class=\"entry-date\" datetime=\"2014-05-04T00:00:00+08:00\"><span class=\"date\"><span class=\"date-month\">MAY<\/span>\u00a0<span class=\"date-day\">4<\/span><span class=\"date-suffix\">TH<\/span>,\u00a0<span class=\"date-year\">2014<\/span><\/span>\u00a0<span class=\"time\">12:00 AM<\/span><\/time><\/p>\n<\/header>\n<div class=\"entry-content\">\n<p>\u6700\u8fd1\u7b80\u5355\u8bfb\u4e86\u4e0b<a href=\"http:\/\/blog.csdn.net\/solstice\/article\/details\/5848547\">muduo<\/a>\u7684\u6e90\u7801\uff0c\u672c\u6587\u5bf9\u5176\u4e3b\u8981\u5b9e\u73b0\/\u7ed3\u6784\u7b80\u5355\u603b\u7ed3\u4e0b\u3002<\/p>\n<p>muduo\u7684\u4e3b\u8981\u6e90\u7801\u4f4d\u4e8enet\u6587\u4ef6\u5939\u4e0b\uff0cbase\u6587\u4ef6\u5939\u662f\u4e00\u4e9b\u57fa\u7840\u4ee3\u7801\uff0c\u4e0d\u5f71\u54cd\u7406\u89e3\u7f51\u7edc\u90e8\u5206\u7684\u5b9e\u73b0\u3002muduo\u4e3b\u8981\u7c7b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>EventLoop<\/li>\n<li>Channel<\/li>\n<li>Poller<\/li>\n<li>TcpConnection<\/li>\n<li>TcpClient<\/li>\n<li>TcpServer<\/li>\n<li>Connector<\/li>\n<li>Acceptor<\/li>\n<li>EventLoopThread<\/li>\n<li>EventLoopThreadPool<\/li>\n<\/ul>\n<p>\u5176\u4e2d\uff0cPoller\uff08\u53ca\u5176\u5b9e\u73b0\u7c7b\uff09\u5305\u88c5\u4e86Poll\/EPoll\uff0c\u5c01\u88c5\u4e86OS\u9488\u5bf9\u8bbe\u5907(fd)\u7684\u64cd\u4f5c\uff1bChannel\u662f\u8bbe\u5907fd\u7684\u5305\u88c5\uff0c\u5728muduo\u4e2d\u4e3b\u8981\u5305\u88c5socket\uff1bTcpConnection\u62bd\u8c61\u4e00\u4e2aTCP\u8fde\u63a5\uff0c\u65e0\u8bba\u662f\u5ba2\u6237\u7aef\u8fd8\u662f\u670d\u52a1\u5668\u53ea\u8981\u5efa\u7acb\u4e86\u7f51\u7edc\u8fde\u63a5\u5c31\u4f1a\u4f7f\u7528TcpConnection\uff1bTcpClient\/TcpServer\u5206\u522b\u62bd\u8c61TCP\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\uff1bConnector\/Acceptor\u5206\u522b\u5305\u88c5TCP\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u5efa\u7acb\u8fde\u63a5\/\u63a5\u53d7\u8fde\u63a5\uff1bEventLoop\u662f\u4e00\u4e2a\u4e3b\u63a7\u7c7b\uff0c\u662f\u4e00\u4e2a\u4e8b\u4ef6\u53d1\u751f\u5668\uff0c\u5b83\u9a71\u52a8Poller\u4ea7\u751f\/\u53d1\u73b0\u4e8b\u4ef6\uff0c\u7136\u540e\u5c06\u4e8b\u4ef6\u6d3e\u53d1\u5230Channel\u5904\u7406\uff1bEventLoopThread\u662f\u4e00\u4e2a\u5e26\u6709EventLoop\u7684\u7ebf\u7a0b\uff1bEventLoopThreadPool\u81ea\u7136\u662f\u4e00\u4e2aEventLoopThread\u7684\u8d44\u6e90\u6c60\uff0c\u7ef4\u62a4\u4e00\u5806EventLoopThread\u3002<\/p>\n<p>\u9605\u8bfb\u5e93\u6e90\u7801\u65f6\u53ef\u4ee5\u4ece\u5e93\u7684\u63a5\u53e3\u5c42\u7740\u624b\uff0c\u770b\u770b\u5173\u952e\u529f\u80fd\u662f\u5982\u4f55\u5b9e\u73b0\u7684\u3002\u5bf9\u4e8emuduo\u800c\u8a00\uff0c\u53ef\u4ee5\u4eceTcpServer\/TcpClient\/EventLoop\/TcpConnection\u8fd9\u51e0\u4e2a\u7c7b\u7740\u624b\u3002\u63a5\u4e0b\u6765\u770b\u770b\u4e3b\u8981\u529f\u80fd\u7684\u5b9e\u73b0\uff1a<\/p>\n<h2>\u5efa\u7acb\u8fde\u63a5<\/h2>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"n\">TcpClient<\/span><span class=\"o\">::<\/span><span class=\"n\">connect<\/span> \r\n        <span class=\"o\">-&gt;<\/span> <span class=\"n\">Connector<\/span><span class=\"o\">::<\/span><span class=\"n\">start<\/span> \r\n            <span class=\"o\">-&gt;<\/span> <span class=\"n\">EventLoop<\/span><span class=\"o\">::<\/span><span class=\"n\">runInLoop<\/span><span class=\"p\">(<\/span><span class=\"n\">Connector<\/span><span class=\"o\">::<\/span><span class=\"n\">startInLoop<\/span><span class=\"p\">...<\/span>\r\n            <span class=\"o\">-&gt;<\/span> <span class=\"n\">Connector<\/span><span class=\"o\">::<\/span><span class=\"n\">connect<\/span><\/code><\/pre>\n<\/div>\n<p>EventLoop::runInLoop\u63a5\u53e3\u7528\u4e8e\u5728this\u6240\u5728\u7684\u7ebf\u7a0b\u8fd0\u884c\u67d0\u4e2a\u51fd\u6570\uff0c\u8fd9\u4e2a\u540e\u9762\u770b\u4e0bEventLoop\u7684\u5b9e\u73b0\u5c31\u53ef\u4ee5\u4e86\u89e3\u3002 \u7f51\u7edc\u8fde\u63a5\u7684\u6700\u7ec8\u5efa\u7acb\u662f\u5728Connector::connect\u4e2d\u5b9e\u73b0\uff0c\u5efa\u7acb\u8fde\u63a5\u4e4b\u540e\u4f1a\u521b\u5efa\u4e00\u4e2aChannel\u6765\u4ee3\u8868\u8fd9\u4e2asocket\uff0c\u5e76\u4e14\u7ed1\u5b9a\u4e8b\u4ef6\u76d1\u542c\u63a5\u53e3\u3002\u6700\u540e\u6700\u91cd\u8981\u7684\u662f\uff0c\u8c03\u7528<code>Channel::enableWriting<\/code>\u3002<code>Channel<\/code>\u6709\u4e00\u7cfb\u5217\u7684enableXX\u63a5\u53e3\uff0c\u8fd9\u4e9b\u63a5\u53e3\u7528\u4e8e\u6807\u8bc6\u81ea\u5df1\u5173\u5fc3\u67d0IO\u4e8b\u4ef6\u3002\u540e\u9762\u4f1a\u770b\u5230\u4ed6\u4eec\u7684\u5b9e\u73b0\u3002<\/p>\n<p>Connector\u76d1\u542c\u7684\u4e3b\u8981\u4e8b\u4ef6\u65e0\u975e\u5c31\u662f\u8fde\u63a5\u5df2\u5efa\u7acb\uff0c\u7528\u5b83\u76d1\u542c\u8bfb\u6570\u636e\/\u5199\u6570\u636e\u4e8b\u4ef6\u4e5f\u4e0d\u7b26\u5408\u8bbe\u8ba1\u3002TcpConnection\u624d\u662f\u505a\u8fd9\u79cd\u4e8b\u7684\u3002<\/p>\n<h2>\u5ba2\u6237\u7aef\u6536\u53d1\u6570\u636e<\/h2>\n<p>\u5f53Connector\u53d1\u73b0\u8fde\u63a5\u771f\u6b63\u5efa\u7acb\u597d\u540e\uff0c\u4f1a\u56de\u8c03\u5230<code>TcpClient::newConnection<\/code>\uff0c\u5728TcpClient\u6784\u9020\u51fd\u6570\u4e2d\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"n\">connector_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">setNewConnectionCallback<\/span><span class=\"p\">(<\/span>\r\n      <span class=\"n\">boost<\/span><span class=\"o\">::<\/span><span class=\"n\">bind<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">TcpClient<\/span><span class=\"o\">::<\/span><span class=\"n\">newConnection<\/span><span class=\"p\">,<\/span> <span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"n\">_1<\/span><span class=\"p\">));<\/span><\/code><\/pre>\n<\/div>\n<p><code>TcpClient::newConnection<\/code>\u4e2d\u521b\u5efa\u4e00\u4e2aTcpConnection\u6765\u4ee3\u8868\u8fd9\u4e2a\u8fde\u63a5\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"n\">TcpConnectionPtr<\/span> <span class=\"nf\">conn<\/span><span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"n\">TcpConnection<\/span><span class=\"p\">(<\/span><span class=\"n\">loop_<\/span><span class=\"p\">,<\/span>\r\n                                            <span class=\"n\">connName<\/span><span class=\"p\">,<\/span>\r\n                                            <span class=\"n\">sockfd<\/span><span class=\"p\">,<\/span>\r\n                                            <span class=\"n\">localAddr<\/span><span class=\"p\">,<\/span>\r\n                                            <span class=\"n\">peerAddr<\/span><span class=\"p\">));<\/span>\r\n\r\n    <span class=\"n\">conn<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">setConnectionCallback<\/span><span class=\"p\">(<\/span><span class=\"n\">connectionCallback_<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">conn<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">setMessageCallback<\/span><span class=\"p\">(<\/span><span class=\"n\">messageCallback_<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">conn<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">setWriteCompleteCallback<\/span><span class=\"p\">(<\/span><span class=\"n\">writeCompleteCallback_<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">...<\/span>\r\n    <span class=\"n\">conn<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">connectEstablished<\/span><span class=\"p\">();<\/span><\/code><\/pre>\n<\/div>\n<p>\u5e76\u540c\u65f6\u8bbe\u7f6e\u4e8b\u4ef6\u56de\u8c03\uff0c\u4ee5\u4e0a\u8bbe\u7f6e\u7684\u56de\u8c03\u90fd\u662f\u5e94\u7528\u5c42\uff08\u5373\u5e93\u7684\u4f7f\u7528\u8005\uff09\u7684\u63a5\u53e3\u3002\u6bcf\u4e00\u4e2aTcpConnection\u90fd\u6709\u4e00\u4e2aChannel\uff0c\u6bd5\u7adf\u6bcf\u4e00\u4e2a\u7f51\u7edc\u8fde\u63a5\u90fd\u5bf9\u5e94\u4e86\u4e00\u4e2asocket fd\u3002\u5728TcpConnection\u6784\u9020\u51fd\u6570\u4e2d\u521b\u5efa\u4e86\u4e00\u4e2aChannel\uff0c\u5e76\u8bbe\u7f6e\u4e8b\u4ef6\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<p><code>TcpConnection::connectEstablished<\/code>\u51fd\u6570\u6700\u4e3b\u8981\u7684\u662f\u901a\u77e5Channel\u81ea\u5df1\u5f00\u59cb\u5173\u5fc3IO\u8bfb\u53d6\u4e8b\u4ef6\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"kt\">void<\/span> <span class=\"n\">TcpConnection<\/span><span class=\"o\">::<\/span><span class=\"n\">connectEstablished<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"n\">channel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">enableReading<\/span><span class=\"p\">();<\/span><\/code><\/pre>\n<\/div>\n<p>\u8fd9\u662f\u81ea\u6b64\u6211\u4eec\u770b\u5230\u7684\u7b2c\u4e8c\u4e2a<code>Channel::enableXXX<\/code>\u63a5\u53e3\uff0c\u8fd9\u4e9b\u63a5\u53e3\u662f\u5982\u4f55\u5b9e\u73b0\u5173\u5fc3IO\u4e8b\u4ef6\u7684\u5462\uff1f\u8fd9\u4e2a\u540e\u9762\u8bb2\u5230\u3002<\/p>\n<p>muduo\u7684\u6570\u636e\u53d1\u9001\u90fd\u662f\u901a\u8fc7<code>TcpConnection::send<\/code>\u5b8c\u6210\uff0c\u8fd9\u4e2a\u5c31\u662f\u4e00\u822c\u7f51\u7edc\u5e93\u4e2d\u5728\u4e0d\u4f7f\u7528OS\u7684\u5f02\u6b65IO\u60c5\u51b5\u4e0b\u7684\u5b9e\u73b0\uff1a\u7f13\u5b58\u5e94\u7528\u5c42\u4f20\u9012\u8fc7\u6765\u7684\u6570\u636e\uff0c\u5728IO\u8bbe\u5907\u53ef\u5199\u7684\u60c5\u51b5\u4e0b\u5c3d\u91cf\u5199\u5165\u6570\u636e\u3002\u8fd9\u4e2a\u4e3b\u8981\u5b9e\u73b0\u5728<code>TcpConnection::sendInLoop<\/code>\u4e2d\u3002<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"n\">TcpConnection<\/span><span class=\"o\">::<\/span><span class=\"n\">sendInLoop<\/span><span class=\"p\">(....)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"c1\">\/\/ if no thing in output queue, try writing directly<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"n\">channel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">isWriting<\/span><span class=\"p\">()<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">outputBuffer_<\/span><span class=\"p\">.<\/span><span class=\"n\">readableBytes<\/span><span class=\"p\">()<\/span> <span class=\"o\">==<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>  <span class=\"c1\">\/\/ \u8bbe\u5907\u53ef\u5199\u4e14\u6ca1\u6709\u7f13\u5b58\u65f6\u7acb\u5373\u5199\u5165<\/span>\r\n        <span class=\"p\">{<\/span> \r\n            <span class=\"n\">nwrote<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sockets<\/span><span class=\"o\">::<\/span><span class=\"n\">write<\/span><span class=\"p\">(<\/span><span class=\"n\">channel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span><span class=\"p\">(),<\/span> <span class=\"n\">data<\/span><span class=\"p\">,<\/span> <span class=\"n\">len<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"c1\">\/\/ \u5426\u5219\u52a0\u5165\u6570\u636e\u5230\u7f13\u5b58\uff0c\u7b49\u5f85IO\u53ef\u5199\u65f6\u518d\u5199<\/span>\r\n        <span class=\"n\">outputBuffer_<\/span><span class=\"p\">.<\/span><span class=\"n\">append<\/span><span class=\"p\">(<\/span><span class=\"k\">static_cast<\/span><span class=\"o\">&lt;<\/span><span class=\"k\">const<\/span> <span class=\"kt\">char<\/span><span class=\"o\">*&gt;<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">)<\/span><span class=\"o\">+<\/span><span class=\"n\">nwrote<\/span><span class=\"p\">,<\/span> <span class=\"n\">remaining<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"n\">channel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">isWriting<\/span><span class=\"p\">())<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"c1\">\/\/ \u6ce8\u518c\u5173\u5fc3IO\u5199\u4e8b\u4ef6\uff0cPoller\u5c31\u4f1a\u5bf9\u5199\u505a\u68c0\u6d4b<\/span>\r\n            <span class=\"n\">channel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">enableWriting<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"p\">...<\/span>     \r\n    <span class=\"p\">}<\/span><\/code><\/pre>\n<\/div>\n<p>\u5f53IO\u53ef\u5199\u65f6\uff0cChannel\u5c31\u4f1a\u56de\u8c03<code>TcpConnection::handleWrite<\/code>\uff08\u6784\u9020\u51fd\u6570\u4e2d\u6ce8\u518c\uff09<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"kt\">void<\/span> <span class=\"n\">TcpConnection<\/span><span class=\"o\">::<\/span><span class=\"n\">handleWrite<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">channel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">isWriting<\/span><span class=\"p\">())<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"kt\">ssize_t<\/span> <span class=\"n\">n<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sockets<\/span><span class=\"o\">::<\/span><span class=\"n\">write<\/span><span class=\"p\">(<\/span><span class=\"n\">channel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span><span class=\"p\">(),<\/span>\r\n                               <span class=\"n\">outputBuffer_<\/span><span class=\"p\">.<\/span><span class=\"n\">peek<\/span><span class=\"p\">(),<\/span>\r\n                               <span class=\"n\">outputBuffer_<\/span><span class=\"p\">.<\/span><span class=\"n\">readableBytes<\/span><span class=\"p\">());<\/span><\/code><\/pre>\n<\/div>\n<p>\u670d\u52a1\u5668\u7aef\u7684\u6570\u636e\u6536\u53d1\u540c\u5ba2\u6237\u7aef\u673a\u5236\u4e00\u81f4\uff0c\u4e0d\u540c\u7684\u662f\u8fde\u63a5(TcpConnection)\u7684\u5efa\u7acb\u65b9\u5f0f\u4e0d\u540c\u3002<\/p>\n<h2>\u670d\u52a1\u5668\u63a5\u6536\u8fde\u63a5<\/h2>\n<p>\u670d\u52a1\u5668\u63a5\u6536\u8fde\u63a5\u7684\u5b9e\u73b0\u5728\u4e00\u4e2a\u7f51\u7edc\u5e93\u4e2d\u6bd4\u8f83\u91cd\u8981\u3002muduo\u4e2d\u901a\u8fc7Acceptor\u7c7b\u6765\u63a5\u6536\u8fde\u63a5\u3002\u5728TcpClient\u4e2d\uff0c\u5176Connector\u901a\u8fc7\u4e00\u4e2a\u5173\u5fc3Channel\u53ef\u5199\u7684\u4e8b\u4ef6\u6765\u901a\u8fc7\u8fde\u63a5\u5df2\u5efa\u7acb\uff1b\u5728Acceptor\u4e2d\u5219\u662f\u901a\u8fc7\u4e00\u4e2aChannel\u53ef\u8bfb\u7684\u4e8b\u4ef6\u6765\u8868\u793a\u6709\u65b0\u7684\u8fde\u63a5\u5230\u6765\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"n\">Acceptor<\/span><span class=\"o\">::<\/span><span class=\"n\">Acceptor<\/span><span class=\"p\">(....)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"n\">acceptChannel_<\/span><span class=\"p\">.<\/span><span class=\"n\">setReadCallback<\/span><span class=\"p\">(<\/span>\r\n            <span class=\"n\">boost<\/span><span class=\"o\">::<\/span><span class=\"n\">bind<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">Acceptor<\/span><span class=\"o\">::<\/span><span class=\"n\">handleRead<\/span><span class=\"p\">,<\/span> <span class=\"k\">this<\/span><span class=\"p\">));<\/span>\r\n        <span class=\"p\">...<\/span> \r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"kt\">void<\/span> <span class=\"n\">Acceptor<\/span><span class=\"o\">::<\/span><span class=\"n\">handleRead<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"kt\">int<\/span> <span class=\"n\">connfd<\/span> <span class=\"o\">=<\/span> <span class=\"n\">acceptSocket_<\/span><span class=\"p\">.<\/span><span class=\"n\">accept<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">peerAddr<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ \u63a5\u6536\u8fde\u63a5\u83b7\u5f97\u4e00\u4e2a\u65b0\u7684socket<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">connfd<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"p\">...<\/span>\r\n            <span class=\"n\">newConnectionCallback_<\/span><span class=\"p\">(<\/span><span class=\"n\">connfd<\/span><span class=\"p\">,<\/span> <span class=\"n\">peerAddr<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ \u56de\u8c03\u5230TcpServer::newConnection<\/span><\/code><\/pre>\n<\/div>\n<p><code>TcpServer::newConnection<\/code>\u4e2d\u5efa\u7acb\u4e00\u4e2aTcpConnection\uff0c\u5e76\u5c06\u5176\u9644\u52a0\u5230\u4e00\u4e2aEventLoopThread\u4e2d\uff0c\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u7ed9\u5176\u914d\u7f6e\u4e00\u4e2a\u7ebf\u7a0b\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"kt\">void<\/span> <span class=\"n\">TcpServer<\/span><span class=\"o\">::<\/span><span class=\"n\">newConnection<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">sockfd<\/span><span class=\"p\">,<\/span> <span class=\"k\">const<\/span> <span class=\"n\">InetAddress<\/span><span class=\"o\">&amp;<\/span> <span class=\"n\">peerAddr<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"n\">EventLoop<\/span><span class=\"o\">*<\/span> <span class=\"n\">ioLoop<\/span> <span class=\"o\">=<\/span> <span class=\"n\">threadPool_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">getNextLoop<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"n\">TcpConnectionPtr<\/span> <span class=\"nf\">conn<\/span><span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"n\">TcpConnection<\/span><span class=\"p\">(<\/span><span class=\"n\">ioLoop<\/span><span class=\"p\">,<\/span>\r\n                                                <span class=\"n\">connName<\/span><span class=\"p\">,<\/span>\r\n                                                <span class=\"n\">sockfd<\/span><span class=\"p\">,<\/span>\r\n                                                <span class=\"n\">localAddr<\/span><span class=\"p\">,<\/span>\r\n                                                <span class=\"n\">peerAddr<\/span><span class=\"p\">));<\/span>\r\n        <span class=\"n\">connections_<\/span><span class=\"p\">[<\/span><span class=\"n\">connName<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"n\">ioLoop<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">runInLoop<\/span><span class=\"p\">(<\/span><span class=\"n\">boost<\/span><span class=\"o\">::<\/span><span class=\"n\">bind<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">TcpConnection<\/span><span class=\"o\">::<\/span><span class=\"n\">connectEstablished<\/span><span class=\"p\">,<\/span> <span class=\"n\">conn<\/span><span class=\"p\">));<\/span><\/code><\/pre>\n<\/div>\n<h2>IO\u7684\u9a71\u52a8<\/h2>\n<p>\u4e4b\u524d\u63d0\u5230\uff0c\u4e00\u65e6\u8981\u5173\u5fc3\u67d0IO\u4e8b\u4ef6\u4e86\uff0c\u5c31\u8c03\u7528<code>Channel::enableXXX<\/code>\uff0c\u8fd9\u4e2a\u5982\u4f55\u5b9e\u73b0\u7684\u5462\uff1f<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"k\">class<\/span> <span class=\"nc\">Channel<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"kt\">void<\/span> <span class=\"n\">enableReading<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"n\">events_<\/span> <span class=\"o\">|=<\/span> <span class=\"n\">kReadEvent<\/span><span class=\"p\">;<\/span> <span class=\"n\">update<\/span><span class=\"p\">();<\/span> <span class=\"p\">}<\/span>\r\n        <span class=\"kt\">void<\/span> <span class=\"n\">enableWriting<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"n\">events_<\/span> <span class=\"o\">|=<\/span> <span class=\"n\">kWriteEvent<\/span><span class=\"p\">;<\/span> <span class=\"n\">update<\/span><span class=\"p\">();<\/span> <span class=\"p\">}<\/span>\r\n       \r\n    <span class=\"kt\">void<\/span> <span class=\"n\">Channel<\/span><span class=\"o\">::<\/span><span class=\"n\">update<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"n\">loop_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">updateChannel<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"kt\">void<\/span> <span class=\"n\">EventLoop<\/span><span class=\"o\">::<\/span><span class=\"n\">updateChannel<\/span><span class=\"p\">(<\/span><span class=\"n\">Channel<\/span><span class=\"o\">*<\/span> <span class=\"n\">channel<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"n\">poller_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">updateChannel<\/span><span class=\"p\">(<\/span><span class=\"n\">channel<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span><\/code><\/pre>\n<\/div>\n<p>\u6700\u7ec8\u8c03\u7528\u5230<code>Poller::upateChannel<\/code>\u3002muduo\u4e2d\u6709\u4e24\u4e2aPoller\u7684\u5b9e\u73b0\uff0c\u5206\u522b\u662fPoll\u548cEPoll\uff0c\u53ef\u4ee5\u9009\u62e9\u7b80\u5355\u7684Poll\u6765\u770b\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"kt\">void<\/span> <span class=\"n\">PollPoller<\/span><span class=\"o\">::<\/span><span class=\"n\">updateChannel<\/span><span class=\"p\">(<\/span><span class=\"n\">Channel<\/span><span class=\"o\">*<\/span> <span class=\"n\">channel<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"p\">...<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">channel<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">index<\/span><span class=\"p\">()<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"p\">{<\/span>\r\n        <span class=\"c1\">\/\/ a new one, add to pollfds_<\/span>\r\n        <span class=\"n\">assert<\/span><span class=\"p\">(<\/span><span class=\"n\">channels_<\/span><span class=\"p\">.<\/span><span class=\"n\">find<\/span><span class=\"p\">(<\/span><span class=\"n\">channel<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span><span class=\"p\">())<\/span> <span class=\"o\">==<\/span> <span class=\"n\">channels_<\/span><span class=\"p\">.<\/span><span class=\"n\">end<\/span><span class=\"p\">());<\/span>\r\n        <span class=\"k\">struct<\/span> <span class=\"n\">pollfd<\/span> <span class=\"n\">pfd<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"n\">pfd<\/span><span class=\"p\">.<\/span><span class=\"n\">fd<\/span> <span class=\"o\">=<\/span> <span class=\"n\">channel<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"n\">pfd<\/span><span class=\"p\">.<\/span><span class=\"n\">events<\/span> <span class=\"o\">=<\/span> <span class=\"k\">static_cast<\/span><span class=\"o\">&lt;<\/span><span class=\"kt\">short<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"n\">channel<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">events<\/span><span class=\"p\">());<\/span> <span class=\"c1\">\/\/ \u4e5f\u5c31\u662fChannel::enableXXX\u64cd\u4f5c\u7684\u90a3\u4e2aevents_<\/span>\r\n        <span class=\"n\">pfd<\/span><span class=\"p\">.<\/span><span class=\"n\">revents<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"n\">pollfds_<\/span><span class=\"p\">.<\/span><span class=\"n\">push_back<\/span><span class=\"p\">(<\/span><span class=\"n\">pfd<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ \u52a0\u5165\u4e00\u4e2a\u65b0\u7684pollfd<\/span>\r\n        <span class=\"kt\">int<\/span> <span class=\"n\">idx<\/span> <span class=\"o\">=<\/span> <span class=\"k\">static_cast<\/span><span class=\"o\">&lt;<\/span><span class=\"kt\">int<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"n\">pollfds_<\/span><span class=\"p\">.<\/span><span class=\"n\">size<\/span><span class=\"p\">())<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"n\">channel<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">set_index<\/span><span class=\"p\">(<\/span><span class=\"n\">idx<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"n\">channels_<\/span><span class=\"p\">[<\/span><span class=\"n\">pfd<\/span><span class=\"p\">.<\/span><span class=\"n\">fd<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">channel<\/span><span class=\"p\">;<\/span><\/code><\/pre>\n<\/div>\n<p>\u53ef\u89c1Poller\u5c31\u662f\u628aChannel\u5173\u5fc3\u7684IO\u4e8b\u4ef6\u8f6c\u6362\u4e3aOS\u63d0\u4f9b\u7684IO\u6a21\u578b\u6570\u636e\u7ed3\u6784\u4e0a\u3002\u901a\u8fc7\u67e5\u770b\u5173\u952e\u7684<code>pollfds_<\/code>\u7684\u4f7f\u7528\uff0c\u53ef\u4ee5\u53d1\u73b0\u5176\u4e3b\u8981\u662f\u5728Poller::poll\u63a5\u53e3\u91cc\u3002\u8fd9\u4e2a\u63a5\u53e3\u4f1a\u5728EventLoop\u7684\u4e3b\u5faa\u73af\u4e2d\u4e0d\u65ad\u8c03\u7528\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"kt\">void<\/span> <span class=\"n\">EventLoop<\/span><span class=\"o\">::<\/span><span class=\"n\">loop<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"p\">...<\/span>\r\n      <span class=\"k\">while<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"n\">quit_<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"p\">{<\/span>\r\n        <span class=\"n\">activeChannels_<\/span><span class=\"p\">.<\/span><span class=\"n\">clear<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"n\">pollReturnTime_<\/span> <span class=\"o\">=<\/span> <span class=\"n\">poller_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">poll<\/span><span class=\"p\">(<\/span><span class=\"n\">kPollTimeMs<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">activeChannels_<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">...<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"n\">ChannelList<\/span><span class=\"o\">::<\/span><span class=\"n\">iterator<\/span> <span class=\"n\">it<\/span> <span class=\"o\">=<\/span> <span class=\"n\">activeChannels_<\/span><span class=\"p\">.<\/span><span class=\"n\">begin<\/span><span class=\"p\">();<\/span>\r\n            <span class=\"n\">it<\/span> <span class=\"o\">!=<\/span> <span class=\"n\">activeChannels_<\/span><span class=\"p\">.<\/span><span class=\"n\">end<\/span><span class=\"p\">();<\/span> <span class=\"o\">++<\/span><span class=\"n\">it<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"n\">currentActiveChannel_<\/span> <span class=\"o\">=<\/span> <span class=\"o\">*<\/span><span class=\"n\">it<\/span><span class=\"p\">;<\/span>\r\n          <span class=\"n\">currentActiveChannel_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">handleEvent<\/span><span class=\"p\">(<\/span><span class=\"n\">pollReturnTime_<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ \u83b7\u5f97IO\u4e8b\u4ef6\uff0c\u901a\u77e5\u5404\u6ce8\u518c\u56de\u8c03<\/span>\r\n        <span class=\"p\">}<\/span><\/code><\/pre>\n<\/div>\n<p>\u6574\u4e2a\u6d41\u7a0b\u53ef\u603b\u7ed3\u4e3a\uff1a\u5404Channel\u5185\u90e8\u4f1a\u628a\u81ea\u5df1\u5173\u5fc3\u7684\u4e8b\u4ef6\u544a\u8bc9\u7ed9Poller\uff0cPoller\u7531EventLoop\u9a71\u52a8\u68c0\u6d4bIO\uff0c\u7136\u540e\u8fd4\u56de\u54ea\u4e9bChannel\u53d1\u751f\u4e86\u4e8b\u4ef6\uff0cEventLoop\u518d\u9a71\u52a8\u8fd9\u4e9bChannel\u8c03\u7528\u5404\u6ce8\u518c\u56de\u8c03\u3002<\/p>\n<p>\u4ece\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cEventLoop\u5c31\u662f\u4e00\u4e2a\u4e8b\u4ef6\u4ea7\u751f\u5668\u3002<\/p>\n<h2>\u7ebf\u7a0b\u6a21\u578b<\/h2>\n<p>\u5728muduo\u7684\u670d\u52a1\u5668\u4e2d\uff0cmuduo\u7684\u7ebf\u7a0b\u6a21\u578b\u662f\u600e\u6837\u7684\u5462\uff1f\u5b83\u5982\u4f55\u901a\u8fc7\u7ebf\u7a0b\u6765\u652f\u6491\u9ad8\u5e76\u53d1\u5462\uff1f\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u5b83\u4e3a\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u914d\u7f6e\u4e86\u4e00\u4e2aEventLoop\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u540c\u65f6\u88ab\u9644\u52a0\u4e86\u82e5\u5e72\u4e2a\u7f51\u7edc\u8fde\u63a5\uff0c\u8fd9\u4e2aEventLoop\u670d\u52a1\u4e8e\u8fd9\u4e9b\u7f51\u7edc\u8fde\u63a5\uff0c\u4e3a\u8fd9\u4e9b\u8fde\u63a5\u6536\u96c6\u5e76\u6d3e\u53d1IO\u4e8b\u4ef6\u3002<\/p>\n<p>\u56de\u5230<code>TcpServer::newConnection<\/code>\u4e2d\uff1a<\/p>\n<div class=\"highlight\">\n<pre><code class=\"language-c--\" data-lang=\"c++\"><span class=\"kt\">void<\/span> <span class=\"n\">TcpServer<\/span><span class=\"o\">::<\/span><span class=\"n\">newConnection<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">sockfd<\/span><span class=\"p\">,<\/span> <span class=\"k\">const<\/span> <span class=\"n\">InetAddress<\/span><span class=\"o\">&amp;<\/span> <span class=\"n\">peerAddr<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"p\">...<\/span>\r\n      <span class=\"n\">EventLoop<\/span><span class=\"o\">*<\/span> <span class=\"n\">ioLoop<\/span> <span class=\"o\">=<\/span> <span class=\"n\">threadPool_<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">getNextLoop<\/span><span class=\"p\">();<\/span>\r\n      <span class=\"p\">...<\/span>\r\n      <span class=\"n\">TcpConnectionPtr<\/span> <span class=\"n\">conn<\/span><span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"n\">TcpConnection<\/span><span class=\"p\">(<\/span><span class=\"n\">ioLoop<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u4f7f\u7528\u8fd9\u4e2a\u9009\u62e9\u5230\u7684\u7ebf\u7a0b\u4e2d\u7684EventLoop<\/span>\r\n                                              <span class=\"n\">connName<\/span><span class=\"p\">,<\/span>\r\n                                              <span class=\"n\">sockfd<\/span><span class=\"p\">,<\/span>\r\n                                              <span class=\"n\">localAddr<\/span><span class=\"p\">,<\/span>\r\n                                              <span class=\"n\">peerAddr<\/span><span class=\"p\">));<\/span>\r\n      <span class=\"p\">...<\/span>\r\n      <span class=\"n\">ioLoop<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">runInLoop<\/span><span class=\"p\">(<\/span><span class=\"n\">boost<\/span><span class=\"o\">::<\/span><span class=\"n\">bind<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">TcpConnection<\/span><span class=\"o\">::<\/span><span class=\"n\">connectEstablished<\/span><span class=\"p\">,<\/span> <span class=\"n\">conn<\/span><span class=\"p\">));<\/span><\/code><\/pre>\n<\/div>\n<p>\u6ce8\u610f<code>TcpConnection::connectEstablished<\/code>\u662f\u5982\u4f55\u901a\u8fc7Channel\u6ce8\u518c\u5173\u5fc3\u7684IO\u4e8b\u4ef6\u5230<code>ioLoop<\/code>\u7684\u3002<\/p>\n<p>\u6781\u7aef\u6765\u8bf4\uff0cmuduo\u7684\u6bcf\u4e00\u4e2a\u8fde\u63a5\u7ebf\u7a0b\u53ef\u4ee5\u53ea\u4e3a\u4e00\u4e2a\u7f51\u7edc\u8fde\u63a5\u670d\u52a1\uff0c\u8fd9\u5c31\u6709\u70b9\u7c7b\u4f3c\u4e8ethread per connection\u6a21\u578b\u4e86\u3002<\/p>\n<h2>\u7f51\u7edc\u6a21\u578b<\/h2>\n<p>\u4f20\u8bf4\u4e2d\u7684Reactor\u6a21\u5f0f\uff0c\u4ee5\u53caone loop per thread\uff0c\u57fa\u4e8eEventLoop\u7684\u4f5c\u7528\uff0c\u4ee5\u53ca\u7ebf\u7a0b\u6c60\u4e0eTcpConnection\u7684\u5173\u7cfb\uff0c\u53ef\u4ee5\u918d\u9190\u704c\u9876\u822c\u7406\u89e3\u4ee5\u4e0b\u8fd9\u5f20muduo\u7684\u7f51\u7edc\u6a21\u578b\u56fe\u4e86\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/codemacro.com\/assets\/res\/muduo-model.png\" alt=\"muduo-model\" \/><\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4e3b\u8981\u5bf9muduo\u7684\u4e3b\u8981\u7ed3\u6784\u53ca\u4e3b\u8981\u673a\u5236\u7684\u5b9e\u73b0\u505a\u4e86\u63cf\u8ff0\uff0c\u5176\u4ed6\u5982Buffer\u7684\u5b9e\u73b0\u3001\u5b9a\u65f6\u5668\u7684\u5b9e\u73b0\u5927\u5bb6\u90fd\u53ef\u4ee5\u81ea\u884c\u7814\u7a76\u3002muduo\u7684\u6e90\u7801\u5f88\u6e05\u6670\uff0c\u901a\u8fc7\u6e90\u7801\u53ca\u914d\u5408<a href=\"http:\/\/blog.csdn.net\/solstice\">\u9648\u7855\u535a\u5ba2<\/a>\u4e0a\u7684\u5185\u5bb9\u53ef\u4ee5\u5b66\u5230\u4e00\u4e9b\u7f51\u7edc\u7f16\u7a0b\u65b9\u9762\u7684\u7ecf\u9a8c\u3002<\/p>\n<p class=\"post-footer\">\u539f\u6587\u5730\u5740\uff1a\u00a0<a href=\"http:\/\/codemacro.com\/2014\/05\/04\/muduo-source\/\">http:\/\/codemacro.com\/2014\/05\/04\/muduo-source\/<\/a><br \/>\nwritten by\u00a0<a href=\"http:\/\/codemacro.com\/\">Kevin Lynx<\/a>\u00a0\u00a0posted at\u00a0<a href=\"http:\/\/codemacro.com\/\">http:\/\/codemacro.com<\/a><\/p>\n<\/div>\n<footer>\n<p class=\"meta\"><span class=\"byline author vcard\">Posted by\u00a0<span class=\"fn\">Kevin Lynx<\/span><\/span>\u00a0<time class=\"entry-date\" datetime=\"2014-05-04T00:00:00+08:00\"><span class=\"date\"><span class=\"date-month\">May<\/span>\u00a0<span class=\"date-day\">4<\/span><span class=\"date-suffix\">th<\/span>,\u00a0<span class=\"date-year\">2014<\/span><\/span>\u00a0<span class=\"time\">12:00 am<\/span><\/time>\u00a0<span class=\"categories\">\u00a0<a class=\"category\" href=\"http:\/\/codemacro.com\/categories\/c-slash-c-plus-plus\/\">c\/c++<\/a>,\u00a0<a class=\"category\" href=\"http:\/\/codemacro.com\/categories\/network\/\">network<\/a><\/span><\/p>\n<\/footer>\n","protected":false},"excerpt":{"rendered":"<p>MAY\u00a04TH,\u00a02014\u00a012:00 <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[118],"class_list":["post-832","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=832"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/832\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}