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5ca07e11aa
* newdevice: Add connected AP count for Cisco WLCs Adds ap-count wireless sensor type fixes: #4295 * better detection Update the overview graph to the new one
313 lines
9.8 KiB
PHP
313 lines
9.8 KiB
PHP
<?php
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/**
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* WirelessSensor.php
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*
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* Wireless Sensors
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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 2017 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace LibreNMS\Device;
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use LibreNMS\OS;
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class WirelessSensor extends Sensor
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{
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protected static $name = 'Wireless Sensor';
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protected static $table = 'wireless_sensors';
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protected static $data_name = 'wireless-sensor';
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private $access_point_ip;
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/**
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* Sensor constructor. Create a new sensor to be discovered.
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*
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* @param string $type Class of this sensor, must be a supported class
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* @param int $device_id the device_id of the device that owns this sensor
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* @param array|string $oids an array or single oid that contains the data for this sensor
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* @param string $subtype the type of sensor an additional identifier to separate out sensors of the same class, generally this is the os name
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* @param int|string $index the index of this sensor, must be stable, generally the index of the oid
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* @param string $description A user visible description of this sensor, may be truncated in some places (like graphs)
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* @param int|float $current The current value of this sensor, will seed the db and may be used to guess limits
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* @param int $multiplier a number to multiply the value(s) by
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* @param int $divisor a number to divide the value(s) by
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* @param string $aggregator an operation to combine multiple numbers. Supported: sum, avg
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* @param int $access_point_id The id of the AP in the access_points sensor this belongs to (generally used for controllers)
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* @param int|float $high_limit Alerting: Maximum value
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* @param int|float $low_limit Alerting: Minimum value
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* @param int|float $high_warn Alerting: High warning value
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* @param int|float $low_warn Alerting: Low warning value
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* @param int|float $entPhysicalIndex The entPhysicalIndex this sensor is associated, often a port
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* @param int|float $entPhysicalMeasured the table to look for the entPhysicalIndex, for example 'ports' (maybe unused)
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*/
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public function __construct(
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$type,
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$device_id,
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$oids,
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$subtype,
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$index,
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$description,
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$current = null,
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$multiplier = 1,
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$divisor = 1,
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$aggregator = 'sum',
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$access_point_id = null,
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$high_limit = null,
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$low_limit = null,
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$high_warn = null,
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$low_warn = null,
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$entPhysicalIndex = null,
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$entPhysicalMeasured = null
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) {
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$this->access_point_ip = $access_point_id;
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parent::__construct(
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$type,
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$device_id,
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$oids,
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$subtype,
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$index,
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$description,
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$current,
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$multiplier,
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$divisor,
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$aggregator,
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$high_limit,
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$low_limit,
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$high_warn,
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$low_warn,
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$entPhysicalIndex,
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$entPhysicalMeasured
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);
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}
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protected function toArray()
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{
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$sensor = parent::toArray();
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$sensor['access_point_id'] = $this->access_point_ip;
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return $sensor;
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}
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public static function discover(OS $os)
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{
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foreach (self::getTypes() as $type => $descr) {
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static::discoverType($os, $type);
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}
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}
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/**
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* Return a list of valid types with metadata about each type
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* $class => array(
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* 'short' - short text for this class
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* 'long' - long text for this class
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* 'unit' - units used by this class 'dBm' for example
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* 'icon' - font awesome icon used by this class
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* )
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* @param bool $valid filter this list by valid types in the database
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* @param int $device_id when filtering, only return types valid for this device_id
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* @return array
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*/
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public static function getTypes($valid = false, $device_id = null)
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{
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// Add new types here
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// FIXME I'm really bad with icons, someone please help!
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static $types = array(
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'ap-count' => array(
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'short' => 'APs',
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'long' => 'AP Count',
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'unit' => '',
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'icon' => 'wifi',
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),
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'clients' => array(
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'short' => 'Clients',
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'long' => 'Client Count',
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'unit' => '',
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'icon' => 'tablet',
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),
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'quality' => array(
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'short' => 'Quality',
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'long' => 'Quality',
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'unit' => '%',
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'icon' => 'feed',
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),
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'capacity' => array(
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'short' => 'Capacity',
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'long' => 'Capacity',
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'unit' => '%',
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'icon' => 'feed',
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),
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'utilization' => array(
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'short' => 'Utilization',
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'long' => 'utilization',
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'unit' => '%',
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'icon' => 'percent',
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),
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'rate' => array(
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'short' => 'Rate',
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'long' => 'TX/RX Rate',
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'unit' => 'bps',
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'icon' => 'tachometer',
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),
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'ccq' => array(
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'short' => 'CCQ',
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'long' => 'Client Connection Quality',
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'unit' => '%',
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'icon' => 'wifi',
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),
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'snr' => array(
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'short' => 'SNR',
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'long' => 'Signal-to-Noise Ratio',
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'unit' => 'dB',
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'icon' => 'signal',
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),
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'rssi' => array(
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'short' => 'RSSI',
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'long' => 'Received Signal Strength Indicator',
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'unit' => 'dBm',
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'icon' => 'signal',
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),
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'power' => array(
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'short' => 'Power/Signal',
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'long' => 'TX/RX Power or Signal',
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'unit' => 'dBm',
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'icon' => 'bolt',
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),
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'noise-floor' => array(
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'short' => 'Noise Floor',
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'long' => 'Noise Floor',
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'unit' => 'dBm/Hz',
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'icon' => 'signal',
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),
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'error-ratio' => array(
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'short' => 'Error Ratio',
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'long' => 'Bit/Packet Error Ratio',
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'unit' => '%',
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'icon' => 'exclamation-triangle',
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),
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'error-rate' => array(
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'short' => 'BER',
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'long' => 'Bit Error Rate',
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'unit' => 'bps',
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'icon' => 'exclamation-triangle',
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),
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'frequency' => array(
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'short' => 'Frequency',
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'long' => 'Frequency',
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'unit' => 'MHz',
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'icon' => 'line-chart',
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),
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'distance' => array(
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'short' => 'Distance',
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'long' => 'Distance',
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'unit' => 'km',
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'icon' => 'space-shuttle',
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),
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);
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if ($valid) {
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$sql = 'SELECT `sensor_class` FROM `wireless_sensors`';
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$params = array();
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if (isset($device_id)) {
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$sql .= ' WHERE `device_id`=?';
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$params[] = $device_id;
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}
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$sql .= ' GROUP BY `sensor_class`';
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$sensors = dbFetchColumn($sql, $params);
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return array_intersect_key($types, array_flip($sensors));
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}
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return $types;
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}
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protected static function getDiscoveryInterface($type)
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{
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return str_to_class($type, 'LibreNMS\\Interfaces\\Discovery\\Sensors\\Wireless') . 'Discovery';
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}
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protected static function getDiscoveryMethod($type)
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{
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return 'discoverWireless' . str_to_class($type);
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}
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protected static function getPollingInterface($type)
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{
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return str_to_class($type, 'LibreNMS\\Interfaces\\Polling\\Sensors\\Wireless') . 'Polling';
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}
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protected static function getPollingMethod($type)
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{
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return 'pollWireless' . str_to_class($type);
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}
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/**
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* Convert a WiFi channel to a Frequency in MHz
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*
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* @param $channel
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* @return int
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*/
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public static function channelToFrequency($channel)
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{
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$channels = array(
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1 => 2412,
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2 => 2417,
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3 => 2422,
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4 => 2427,
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5 => 2432,
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6 => 2437,
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7 => 2442,
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8 => 2447,
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9 => 2452,
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10 => 2457,
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11 => 2462,
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12 => 2467,
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13 => 2472,
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14 => 2484,
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34 => 5170,
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36 => 5180,
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38 => 5190,
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40 => 5200,
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42 => 5210,
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44 => 5220,
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46 => 5230,
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48 => 5240,
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52 => 5260,
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56 => 5280,
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60 => 5300,
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64 => 5320,
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100 => 5500,
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104 => 5520,
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108 => 5540,
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112 => 5560,
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116 => 5580,
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120 => 5600,
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124 => 5620,
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128 => 5640,
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132 => 5660,
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136 => 5680,
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140 => 5700,
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149 => 5745,
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153 => 5765,
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157 => 5785,
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161 => 5805,
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);
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return $channels[$channel];
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}
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}
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