librenms/includes/polling/frequencies.inc.php
2010-07-31 20:30:30 +00:00

53 lines
2.6 KiB
PHP

<?php
$query = "SELECT * FROM `sensors` WHERE device_id = '" . $device['device_id'] . "' AND `sensor_class` = 'freq'";
$sensor_data = mysql_query($query);
while($sensor = mysql_fetch_array($sensor_data)) {
echo("Checking frequency " . $sensor['sensor_descr'] . "... ");
$freq = snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB");
if ($sensor['sensor_divisor']) { $freq = $freq / $sensor['sensor_divisor']; }
if ($sensor['sensor_multiplier']) { $freq = $freq * $sensor['sensor_multiplier']; }
$rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("freq-" . $sensor['sensor_descr'] . ".rrd");
if (!is_file($rrd_file)) {
`rrdtool create $rrd_file \
--step 300 \
DS:freq:GAUGE:600:-273:1000 \
RRA:AVERAGE:0.5:1:1200 \
RRA:MIN:0.5:12:2400 \
RRA:MAX:0.5:12:2400 \
RRA:AVERAGE:0.5:12:2400`;
}
echo($freq . " Hz\n");
rrdtool_update($rrd_file,"N:$freq");
if($sensor['sensor_current'] > $sensor['sensor_limit_low'] && $freq <= $sensor['sensor_limit_low'])
{
if($device['sysContact']) { $email = $device['sysContact']; } else { $email = $config['email_default']; }
$msg = "Frequency Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is " . $freq . "Hz (Limit " . $sensor['sensor_limit'];
$msg .= "Hz) at " . date($config['timestamp_format']);
notify($device, "Frequency Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
log_event('Frequency ' . $sensor['sensor_descr'] . " under threshold: " . $freq . " Hz (< " . $sensor['sensor_limit_low'] . " Hz)", $device['device_id'] , 'frequency', $sensor['sensor_id']);
}
else if($sensor['sensor_current'] < $sensor['sensor_limit'] && $freq >= $sensor['sensor_limit'])
{
if($device['sysContact']) { $email = $device['sysContact']; } else { $email = $config['email_default']; }
$msg = "Frequency Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is " . $freq . "Hz (Limit " . $sensor['sensor_limit'];
$msg .= "Hz) at " . date($config['timestamp_format']);
notify($device, "Frequency Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
log_event('Frequency ' . $sensor['sensor_descr'] . " above threshold: " . $freq . " Hz (> " . $sensor['sensor_limit'] . " Hz)", $device['device_id'], 'frequency', $sensor['sensor_id']);
}
mysql_query("UPDATE frequency SET sensor_current = '$freq' WHERE sensor_id = '" . $sensor['sensor_id'] . "'");
}
?>