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phpservermon
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Updated ping check (#919) 

Check if transmitted and received packets is equal.
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Tim 2020-05-18 22:05:19 +02:00 committed by GitHub
parent 7856de4bbb
commit ea33ba07ca
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1 changed files with 25 additions and 19 deletions
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src/psm/Util/Server/Updater/StatusUpdater.php
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@ -179,36 +179,42 @@ class StatusUpdater
$max_runs = 1;
}
$result = null;
// Execute ping
// Choose right ping version, ping6 for IPV6, ping for IPV4
$pingCommand = 'ping6';
$serverIp = $this->server['ip'];
if (filter_var($serverIp, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === false) {
$pingCommand = 'ping';
}
// execute PING
$txt = exec($pingCommand . " -c " . $max_runs . " " . $serverIp . " 2>&1", $output);
// Non-greedy match on filler
$re1 = '.*?';
// Uninteresting: float
$re2 = '[+-]?\\d*\\.\\d+(?![-+0-9\\.])';
// Non-greedy match on filler
$re3 = '.*?';
// Float 1
$re4 = '([+-]?\\d*\\.\\d+)(?![-+0-9\\.])';
if (preg_match_all("/" . $re1 . $re2 . $re3 . $re4 . "/is", $txt, $matches)) {
$result = $matches[1][0];
}
if (substr($output[0], 0, 4) == 'PING' && strpos($output[count($output) - 2], 'packets transmitted')) {
$result = 0;
}
if (!is_null($result)) {
$this->header = $output[0];
// Check if output is PING and if transmitted packets is equal to received packets.
preg_match('/^(\d{1,3}) packets transmitted, (\d{1,3}).*$/', $output[count($output) - 2], $output_package_loss);
if (
substr($output[0], 0, 4) == 'PING' &&
!empty($output_package_loss) &&
$output_package_loss[1] === $output_package_loss[2]
) {
// Gets avg from 'round-trip min/avg/max/stddev = 7.109/7.109/7.109/0.000 ms'
preg_match_all("/(\d+\.\d+)/", $output[count($output) - 1], $result);
$result = floatval($result[0][1]);
$this->header = "";
foreach ($output as $key => $value) {
$this->header .= $value . "\n";
}
$status = true;
} else {
$this->header = "-";
$this->error = $output[0];
foreach ($output as $key => $value) {
$this->header .= $value . "\n";
}
$this->error = $output[count($output) - 2];
$status = false;
}
//Divide by a thousand to convert to milliseconds
// To miliseconds
$this->rtime = $result / 1000;
// check if server is available and rerun if asked.