{"id":23991,"date":"2024-11-21T11:05:25","date_gmt":"2024-11-21T03:05:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23991\/"},"modified":"2024-11-21T11:05:25","modified_gmt":"2024-11-21T03:05:25","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8swoole%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%8d%8f%e7%a8%8b%e5%ae%9e%e7%8e%b0%e9%ab%98%e5%b9%b6%e5%8f%91%e7%9a%84swoole_sntp%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23991\/","title":{"rendered":"\u5982\u4f55\u5728Swoole\u4e2d\u4f7f\u7528\u534f\u7a0b\u5b9e\u73b0\u9ad8\u5e76\u53d1\u7684swoole_sntp\u51fd\u6570"},"content":{"rendered":"<p>\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684php\u534f\u7a0b\u6846\u67b6\uff0c\u5177\u6709\u534f\u7a0b\u3001\u5f02\u6b65io\u3001\u9ad8\u6027\u80fd\u3001\u9ad8\u5e76\u53d1\u7b49\u7279\u6027\uff0c\u975e\u5e38\u9002\u5408\u5f00\u53d1\u7f51\u7edc\u670d\u52a1\u3002\u5176\u4e2d\uff0cswoole_sntp\u51fd\u6570\u662f\u7528\u6765\u540c\u6b65\u670d\u52a1\u5668\u65f6\u95f4\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u5728\u5f00\u53d1\u4e2d\u8d77\u5230\u975e\u5e38\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728swoole\u4e2d\u4f7f\u7528\u534f\u7a0b\u5b9e\u73b0\u9ad8\u5e76\u53d1\u7684swoole_sntp\u51fd\u6570\u3002<\/p>\n<p>Swoole_sntp\u4ecb\u7ecd<\/p>\n<p>Swoole_sntp\u51fd\u6570\u662fSwoole\u6846\u67b6\u4e2d\u7684\u4e00\u4e2a\u540c\u6b65\u670d\u52a1\u5668\u65f6\u95f4\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u5411\u6307\u5b9a\u7684\u7f51\u7edc\u65f6\u95f4\u670d\u52a1\u5668\u53d1\u51fa\u4e00\u6761NTP\u534f\u8bae\u7684\u8bf7\u6c42\uff0c\u7136\u540e\u83b7\u53d6\u8be5\u670d\u52a1\u5668\u7684\u65f6\u95f4\u4fe1\u606f\u3002\u5b83\u7684\u51fd\u6570\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<pre>bool swoole_sntp(string $server, float $timeout = 1.0, float $offset = null);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0c$server\u53c2\u6570\u662f\u6307\u5b9a\u7684\u65f6\u95f4\u670d\u52a1\u5668\u7684\u5730\u5740\uff0c$timeout\u53c2\u6570\u662f\u8d85\u65f6\u65f6\u95f4\uff0c$offset\u53c2\u6570\u662f\u672c\u5730\u548c\u7f51\u7edc\u65f6\u95f4\u7684\u65f6\u95f4\u5dee\uff0c\u53ef\u4ee5\u4e0d\u6307\u5b9a\u3002<\/p>\n<p>\u4f7f\u7528\u534f\u7a0b<\/p>\n<p>\u5728\u4f7f\u7528Swoole_sntp\u51fd\u6570\u65f6\uff0c\u5e38\u5e38\u9700\u8981\u5411\u591a\u4e2a\u65f6\u95f4\u670d\u52a1\u5668\u8bf7\u6c42\u65f6\u95f4\u4fe1\u606f\uff0c\u5e76\u4e14\u9700\u8981\u5728\u4e00\u5b9a\u7684\u65f6\u95f4\u5185\u5b8c\u6210\u8bf7\u6c42\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u534f\u7a0b\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u5e76\u53d1\uff0c\u63d0\u9ad8\u8bf7\u6c42\u901f\u5ea6\u3002<\/p>\n<p>\u534f\u7a0b\u662f\u8f7b\u91cf\u7ea7\u7684\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\u540c\u65f6\u6267\u884c\u591a\u4e2a\u4efb\u52a1\uff0c\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u5e26\u6765\u7684\u6027\u80fd\u635f\u5931\u3002\u5728Swoole\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u534f\u7a0b\u6765\u5b9e\u73b0\u5bf9\u591a\u4e2a\u65f6\u95f4\u670d\u52a1\u5668\u7684\u540c\u65f6\u8bf7\u6c42\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4f7f\u7528\u534f\u7a0b\u5b9e\u73b0\u9ad8\u5e76\u53d1swoole_sntp\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;?php use SwooleCoroutine;\n\nfunction sntp($server, $timeout = 1.0, $offset = null)\n{\n    $cli = new CoroutineHttpClient($server, 80);\n    $cli-&gt;setDefer();\n\n    $cli-&amp;gt;execute('\/');\n\n    if ($cli-&amp;gt;statusCode !== 200) {\n        return false;\n    }\n\n    $response = $cli-&amp;gt;body;\n\n    $ts = unpack('N12', substr($response, 0, 48));\n    $ts = round(($ts[9] * 1.0) + ($ts[10] * 1.0 \/ 4294967296.0) - 2208988800.0);\n\n    $cli-&amp;gt;close();\n\n    return $ts;\n}\n\n$serverList = ['cn.pool.ntp.org', 'tw.pool.ntp.org', 'jp.pool.ntp.org'];\n\n$sntp = function ($server) {\n    $cli = new CoroutineHttpClient($server, 80);\n    $cli-&amp;gt;setDefer();\n\n    $cli-&amp;gt;execute('\/');\n\n    if ($cli-&amp;gt;statusCode !== 200) {\n        return false;\n    }\n\n    $response = $cli-&amp;gt;body;\n\n    $ts = unpack('N12', substr($response, 0, 48));\n    $ts = round(($ts[9] * 1.0) + ($ts[10] * 1.0 \/ 4294967296.0) - 2208988800.0);\n\n    $cli-&amp;gt;close();\n\n    return $ts;\n};\n\n$results = [];\nforeach ($serverList as $server) {\n    Coroutine::create(function () use ($server, &amp;amp;$results, $sntp) {\n        $results[$server] = $sntp($server);\n    });\n}\n\nwhile (count($results) &lt;p&gt;\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3asntp\u7684\u51fd\u6570\uff0c\u7528\u6765\u8bf7\u6c42\u65f6\u95f4\u670d\u52a1\u5668\u5e76\u8fd4\u56de\u65f6\u95f4\u4fe1\u606f\u3002\u63a5\u7740\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a$sntp\u7684\u533f\u540d\u51fd\u6570\uff0c\u4e5f\u662f\u7528\u6765\u8bf7\u6c42\u65f6\u95f4\u670d\u52a1\u5668\u5e76\u8fd4\u56de\u65f6\u95f4\u4fe1\u606f\u3002\u5728\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528Coroutine::create\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u534f\u7a0b\uff0c\u4f7f\u7528$sntp\u51fd\u6570\u8bf7\u6c42\u65f6\u95f4\u670d\u52a1\u5668\uff0c\u5e76\u5c06\u7ed3\u679c\u4fdd\u5b58\u5728$results\u6570\u7ec4\u4e2d\u3002\u6700\u540e\uff0c\u4f7f\u7528while\u5faa\u73af\u7b49\u5f85\u6240\u6709\u534f\u7a0b\u5b8c\u6210\uff0c\u5e76\u8f93\u51fa\u6240\u6709\u65f6\u95f4\u4fe1\u606f\u3002&lt;\/p&gt;&lt;p&gt;\u603b\u7ed3&lt;\/p&gt;&lt;p&gt;\u901a\u8fc7\u4ee5\u4e0a\u7684\u4ecb\u7ecd\uff0c\u5927\u5bb6\u5e94\u8be5\u5df2\u7ecf\u521d\u6b65\u4e86\u89e3\u4e86\u5982\u4f55\u5728Swoole\u4e2d\u4f7f\u7528\u534f\u7a0b\u5b9e\u73b0\u9ad8\u5e76\u53d1\u7684swoole_sntp\u51fd\u6570\u3002\u534f\u7a0b\u662fSwoole\u6846\u67b6\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u4e2a\u7279\u6027\uff0c\u5b83\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7f51\u7edc\u670d\u52a1\u7684\u6027\u80fd\u548c\u5e76\u53d1\u91cf\uff0c\u503c\u5f97\u5f00\u53d1\u4eba\u5458\u6df1\u5165\u5b66\u4e60\u548c\u5b9e\u8df5\u3002&lt;\/p&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Swoole\u4e2d\u4f7f\u7528\u534f\u7a0b\u5b9e\u73b0\u9ad8\u5e76\u53d1\u7684_sntp\u51fd\u6570\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684php\u534f\u7a0b\u6846\u67b6\uff0c\u5177\u6709\u534f\u7a0b\u3001\u5f02\u6b65io\u3001\u9ad8\u6027\u80fd\u3001\u9ad8\u5e76\u53d1\u7b49\u7279\u6027\uff0c\u975e\u5e38\u9002\u5408\u5f00\u53d1\u7f51\u7edc\u670d\u52a1\u3002\u5176\u4e2d\uff0cswoole_sntp\u51fd\u6570\u662f\u7528\u6765\u540c\u6b65\u670d\u52a1\u5668\u65f6\u95f4\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u5728\u5f00\u53d1\u4e2d\u8d77\u5230\u975e\u5e38\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728swoole\u4e2d\u4f7f\u7528\u534f\u7a0b\u5b9e\u73b0\u9ad8\u5e76\u53d1\u7684swoole_sntp\u51fd\u6570\u3002 Swoole_sntp\u4ecb\u7ecd Swoole_sntp\u51fd\u6570\u662fSwoole\u6846\u67b6\u4e2d\u7684\u4e00\u4e2a\u540c\u6b65\u670d\u52a1\u5668\u65f6\u95f4\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u5411\u6307\u5b9a\u7684\u7f51\u7edc\u65f6\u95f4\u670d\u52a1\u5668\u53d1\u51fa\u4e00\u6761NTP\u534f\u8bae\u7684\u8bf7\u6c42\uff0c\u7136\u540e\u83b7\u53d6\u8be5\u670d\u52a1\u5668\u7684\u65f6\u95f4\u4fe1\u606f\u3002\u5b83\u7684\u51fd\u6570\u5b9a\u4e49\u5982\u4e0b\uff1a bool swoole_sntp(string $server, float $timeout = 1.0, float $offset = null); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c$server\u53c2\u6570\u662f\u6307\u5b9a\u7684\u65f6\u95f4\u670d\u52a1\u5668\u7684\u5730\u5740\uff0c$timeout\u53c2\u6570\u662f\u8d85\u65f6\u65f6\u95f4\uff0c$offset\u53c2\u6570\u662f\u672c\u5730\u548c\u7f51\u7edc\u65f6\u95f4\u7684\u65f6\u95f4\u5dee\uff0c\u53ef\u4ee5\u4e0d\u6307\u5b9a\u3002 \u4f7f\u7528\u534f\u7a0b \u5728\u4f7f\u7528Swoole_sntp\u51fd\u6570\u65f6\uff0c\u5e38\u5e38\u9700\u8981\u5411\u591a\u4e2a\u65f6\u95f4\u670d\u52a1\u5668\u8bf7\u6c42\u65f6\u95f4\u4fe1\u606f\uff0c\u5e76\u4e14\u9700\u8981\u5728\u4e00\u5b9a\u7684\u65f6\u95f4\u5185\u5b8c\u6210\u8bf7\u6c42\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u534f\u7a0b\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u5e76\u53d1\uff0c\u63d0\u9ad8\u8bf7\u6c42\u901f\u5ea6\u3002 \u534f\u7a0b\u662f\u8f7b\u91cf\u7ea7\u7684\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\u540c\u65f6\u6267\u884c\u591a\u4e2a\u4efb\u52a1\uff0c\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u5e26\u6765\u7684\u6027\u80fd\u635f\u5931\u3002\u5728Swoole\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u534f\u7a0b\u6765\u5b9e\u73b0\u5bf9\u591a\u4e2a\u65f6\u95f4\u670d\u52a1\u5668\u7684\u540c\u65f6\u8bf7\u6c42\u3002 \u4e0b\u9762\u662f\u4f7f\u7528\u534f\u7a0b\u5b9e\u73b0\u9ad8\u5e76\u53d1swoole_sntp\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a &lt;?php use SwooleCoroutine; function sntp($server, $timeout = 1.0, $offset = null) { $cli = new CoroutineHttpClient($server, 80); $cli-&gt;setDefer(); $cli-&amp;gt;execute(&#8216;\/&#8217;); if ($cli-&amp;gt;statusCode !== 200) { return false; } $response = $cli-&amp;gt;body; $ts = unpack(&#8216;N12&#8217;, substr($response, 0, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-23991","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=23991"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23991\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}