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| Code | |||||
<?php // siteMonitor.php // a utility designed to send out an email if pingtimes // on a target server exceed desired delay times // system call to ping desired host, use IP address $rawPing = `ping -c 10 xxx.xxx.xxx.xxx`; // extract average time from string eregi("mdev = (.*)ms", $rawPing, $return); // grab desired first element of array and assign to $string $strPing = $return[0]; // echo to screen for debugging :) echo("<br> raw string =" . $strPing); // extract average delay from string $delaySeconds = substr($strPing, 13, 5); // convert to conventional milliseconds $delayMilliseconds = $delaySeconds * 1000; // echo to screen for debugging :) echo("<br> formatted string =" . $delayMilliseconds); // send out warning email if desired pingtime exceeded if ($delayMilliseconds > 200) { mail ("user@domain.com", "we've got a delay here of $delayMilliseconds milliseconds", ""); } ?> | |||||
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