{"id":2347,"date":"2015-08-25T17:08:19","date_gmt":"2015-08-25T09:08:19","guid":{"rendered":"http:\/\/www.chenlianfu.com\/?p=2347"},"modified":"2015-08-25T17:08:19","modified_gmt":"2015-08-25T09:08:19","slug":"perl%e5%a4%9a%e7%ba%bf%e7%a8%8b%e7%9a%84%e7%ae%80%e5%8d%95%e4%be%8b%e5%ad%90","status":"publish","type":"post","link":"http:\/\/www.chenlianfu.com\/?p=2347","title":{"rendered":"Perl\u591a\u7ebf\u7a0b\u7684\u7b80\u5355\u4f8b\u5b50"},"content":{"rendered":"<p>perl\u591a\u7ebf\u7a0b\u4f7f\u7528\u7684\u4e00\u4e2a\u7b80\u5355\u4f8b\u5b50\uff1a\u540c\u65f6\u5bf9\u591a\u4e2aip\u8fdb\u884cping\u7684\u547d\u4ee4\uff0c\u68c0\u6d4b\u5404\u4e2aip\u5730\u5740\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n<pre>\r\n#!\/usr\/bin\/perl\r\nuse strict;\r\n# \u58f0\u660e\u8c03\u7528\u7684\u6a21\u5757\r\nuse Thread;\r\n\r\nmy @ips = (\"221.141.1.222\", \"89.46.101.122\", \"199.200.120.37\");\r\n\r\nmy @threads;\r\n# \u521b\u5efa\u7ebf\u7a0b\u5e76push\u5230\u6570\u7ec4\u4e2d\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u4e00\u4e2a\u5b50\u7a0b\u5e8f\u7684\u540d\u5b57\uff0c\u540e\u9762\u7684\u53c2\u6570\u662f\u8f93\u5165\u5230\u8be5\u5b50\u7a0b\u5e8f\u7684\u6570\u7ec4\u5185\u5bb9\u3002\r\nforeach (@ips) {\r\n    push @threads, threads->create(\\&ping,$_);\r\n}\r\n\r\n# \u5b50\u7a0b\u5e8fjoin\u5230\u4e3b\u7ebf\u7a0b\uff0c\u53d6\u5f97\u8fd4\u56de\u503c\u3002\r\nforeach (@threads) {\r\n    $_->join();\r\n}\r\n\r\n# \u5b50\u7a0b\u5e8f\uff0c\u5bf9ip\u5730\u5740ping5\u6b21\uff0c\u5f97\u5230\u5176\u5e73\u5747\u503c\u3002\r\nsub ping {\r\n    $_ = shift;\r\n    my $ping_log = `ping -c 5 $_`;\r\n    my @ping_log = split \/\\n\/, $ping_log;\r\n    my $time = 0;\r\n    foreach (@ping_log) {\r\n        $time += $1 if \/time=(.*) ms\/;\r\n    }\r\n    my $avg_time = $time \/ 5;\r\n    $time = \"na\" if $time == 0;\r\n    print \"$_\\t$avg_time\\n\";\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>perl\u591a\u7ebf\u7a0b\u4f7f\u7528\u7684\u4e00\u4e2a\u7b80\u5355\u4f8b\u5b50\uff1a\u540c\u65f6\u5bf9\u591a\u4e2aip\u8fdb\u884cping\u7684\u547d\u4ee4\uff0c\u68c0\u6d4b\u5404\u4e2aip &hellip; <a href=\"http:\/\/www.chenlianfu.com\/?p=2347\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[9],"_links":{"self":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts\/2347"}],"collection":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2347"}],"version-history":[{"count":1,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts\/2347\/revisions"}],"predecessor-version":[{"id":2348,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=\/wp\/v2\/posts\/2347\/revisions\/2348"}],"wp:attachment":[{"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2347"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.chenlianfu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}