librenms-librenms/includes/discovery/sensors/signal/canopy.inc.php

<?php

if ($device['os'] == 'canopy') {
    $cambium_type = snmp_get($device, 'sysDescr.0', '-Oqv', '');
    $divisor = 1;
    if (strstr($cambium_type, 'BHUL450')) {
        $masterSlaveMode = snmp_get($device, 'bhTimingMode.0', '-Oqv', 'WHISP-BOX-MIBV2-MIB');
        if ($masterSlaveMode == "timingMaster") {
            $oid = 'lastPowerLevel.2';
            $mib = 'WHISP-APS-MIB';
        } else {
            $oid = 'radioDbmInt.0';
            $mib = 'WHISP-SM-MIB';
        }
    } elseif (strstr($cambium_type, 'BHUL') || strstr($cambium_type, 'BH')) {
        $masterSlaveMode = snmp_get($device, 'bhTimingMode.0', '-Oqv', 'WHISP-BOX-MIBV2-MIB');
        if ($masterSlaveMode == "timingMaster") {
            $oid = 'lastPowerLevel.2';
            $mib = 'WHISP-APS-MIB';
        } else {
            $oid  = '1.3.6.1.4.1.161.19.3.2.2.21.0';
            $mib = 'WHISP-BOX-MIBV2-MIB';
        }
    } else {
        $oid  = '1.3.6.1.4.1.161.19.3.2.2.21.0';
        $mib = 'WHISP-BOX-MIBV2-MIB';
    }
    
    $oids = trim(str_replace('"', '', snmp_get($device, "$oid", '-OsqnU', $mib)));
    d_echo($oids."\n");

    if (!empty($oids)) {
        echo 'Canopy Signal ';
    }

    $type    = 'canopy';
    if (!empty($oids)) {
        list(,$current) = explode(' ', $oids);
        $current        = $current / $divisor;
        $index          = $oid;
        $descr          = 'Signal';
        discover_sensor($valid['sensor'], 'signal', $device, $oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
    }
}