92 lines
2.7 KiB
PHP
92 lines
2.7 KiB
PHP
<?php
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/**
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* Fping.php
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*
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* -Description-
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2020 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace LibreNMS;
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use Log;
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use Symfony\Component\Process\Process;
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class Fping
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{
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/**
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* Run fping against a hostname/ip in count mode and collect stats.
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*
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* @param string $host
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* @param int $count (min 1)
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* @param int $interval (min 20)
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* @param int $timeout (not more than $interval)
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* @param string $address_family ipv4 or ipv6
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* @return array
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*/
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public function ping($host, $count = 3, $interval = 1000, $timeout = 500, $address_family = 'ipv4')
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{
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// Default to ipv4
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$fping_name = $address_family == 'ipv6' ? 'fping6' : 'fping';
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$interval = max($interval, 20);
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// build the command
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$cmd = [
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Config::get($fping_name, $fping_name),
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'-e',
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'-q',
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'-c',
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max($count, 1),
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'-p',
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$interval,
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'-t',
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max($timeout, $interval),
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$host
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];
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$process = app()->make(Process::class, ['command' => $cmd]);
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Log::debug('[FPING] ' . $process->getCommandLine() . PHP_EOL);
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$process->run();
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$output = $process->getErrorOutput();
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preg_match('#= (\d+)/(\d+)/(\d+)%(, min/avg/max = ([\d.]+)/([\d.]+)/([\d.]+))?$#', $output, $parsed);
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[, $xmt, $rcv, $loss, , $min, $avg, $max] = array_pad($parsed, 8, 0);
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if ($loss < 0) {
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$xmt = 1;
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$rcv = 1;
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$loss = 100;
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}
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$response = [
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'xmt' => (int)$xmt,
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'rcv' => (int)$rcv,
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'loss' => (int)$loss,
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'min' => (float)$min,
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'max' => (float)$max,
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'avg' => (float)$avg,
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'dup' => substr_count($output, 'duplicate'),
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'exitcode' => $process->getExitCode(),
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];
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Log::debug('response: ', $response);
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return $response;
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}
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}
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