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20b4215204
* Switch librenms links to https * Convert librenms links in comments * Switch gnu.org url to https * switch php urls to https
55 lines
1.3 KiB
PHP
55 lines
1.3 KiB
PHP
<?php
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/**
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* Packetlight.php
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*
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* Packetlight
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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 <https://www.gnu.org/licenses/>.
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*
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* @link https://www.librenms.org
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* @copyright 2019 PipoCanaja
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* @author PipoCanaja
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*/
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namespace LibreNMS\OS;
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use LibreNMS\OS;
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class Packetlight extends OS
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{
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/**
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* Subtract 30 (for yaml user_func)
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*/
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public static function offsetSfpDbm($value)
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{
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return $value - 30;
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}
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/**
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* Subtract 128 (for yaml user_func)
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*/
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public static function offsetSfpTemperature($value)
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{
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return $value - 128;
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}
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/**
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* Convert Watts 10e-7 to Dbm
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*/
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public static function convertWattToDbm($value)
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{
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return 10 * log10($value / 10000000) + 30;
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}
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}
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