PHP get_sensor_rrd函数代码示例

<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage graphs
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2016 Observium Limited
 *
 */
if (is_numeric($vars['id'])) {
    $sensor = dbFetchRow("SELECT * FROM `sensors` WHERE `sensor_id` = ?", array($vars['id']));
    if (is_numeric($sensor['device_id']) && ($auth || is_entity_permitted($sensor['sensor_id'], 'sensor') || device_permitted($sensor['device_id']))) {
        $device = device_by_id_cache($sensor['device_id']);
        $rrd_filename = get_rrd_path($device, get_sensor_rrd($device, $sensor));
        $title = generate_device_link($device);
        $title .= " :: Sensors :: ";
        $auth = TRUE;
    }
}
// EOF

            $colour = '008C00';
            break;
        case '3':
            $colour = '4096EE';
            break;
        case '4':
            $colour = '73880A';
            break;
        case '5':
            $colour = 'D01F3C';
            break;
        case '6':
            $colour = '36393D';
            break;
        case '7':
        default:
            $colour = 'FF0084';
            unset($iter);
            break;
    }
    //end switch
    $sensor['sensor_descr_fixed'] = substr(str_pad($sensor['sensor_descr'], $descr_len), 0, $descr_len);
    $rrd_file = get_sensor_rrd($device, $sensor);
    $rrd_options .= ' DEF:sensor' . $sensor['sensor_id'] . "={$rrd_file}:sensor:AVERAGE ";
    $rrd_options .= ' LINE1:sensor' . $sensor['sensor_id'] . '#' . $colour . ":'" . str_replace(':', '\\:', str_replace('\\*', '*', $sensor['sensor_descr_fixed'])) . "'";
    $rrd_options .= ' GPRINT:sensor' . $sensor['sensor_id'] . ':LAST:%4.1lf' . $unit . ' ';
    $rrd_options .= ' GPRINT:sensor' . $sensor['sensor_id'] . ':MIN:%4.1lf' . $unit . ' ';
    $rrd_options .= ' GPRINT:sensor' . $sensor['sensor_id'] . ':MAX:%4.1lf' . $unit . '\\\\l ';
    $iter++;
}
//end foreach

function poll_sensor($device, $class, $unit)
{
    global $config, $memcache, $agent_sensors;
    foreach (dbFetchRows('SELECT * FROM `sensors` WHERE `sensor_class` = ? AND `device_id` = ?', array($class, $device['device_id'])) as $sensor) {
        echo 'Checking (' . $sensor['poller_type'] . ") {$class} " . $sensor['sensor_descr'] . '... ';
        $sensor_value = '';
        if ($sensor['poller_type'] == 'snmp') {
            if ($device['os'] == 'siklu') {
                $mib = ':RADIO-BRIDGE-MIB';
            } else {
                $mib = '';
            }
            if ($class == 'temperature') {
                if ($device['os'] == 'netapp') {
                    include 'includes/polling/temperatures/netapp.inc.php';
                } else {
                    // Try 5 times to get a valid temp reading
                    for ($i = 0; $i < 5; $i++) {
                        d_echo("Attempt {$i} ");
                        $sensor_value = trim(str_replace('"', '', snmp_get($device, $sensor['sensor_oid'], '-OUqnv', "SNMPv2-MIB{$mib}")));
                        preg_match('/[\\d\\.]+/', $sensor_value, $temp_response);
                        if (!empty($temp_response[0])) {
                            $sensor_value = $temp_response[0];
                        }
                        if (is_numeric($sensor_value) && $sensor_value != 9999) {
                            break;
                            // TME sometimes sends 999.9 when it is right in the middle of an update;
                        }
                        sleep(1);
                        // end if
                    }
                }
                //end if
            } else {
                if ($class == 'state') {
                    $sensor_value = trim(str_replace('"', '', snmp_walk($device, $sensor['sensor_oid'], '-Oevq', 'SNMPv2-MIB')));
                } else {
                    if ($class == 'dbm') {
                        $sensor_value = trim(str_replace('"', '', snmp_get($device, $sensor['sensor_oid'], '-OUqnv', "SNMPv2-MIB{$mib}")));
                        //iosxr does not expose dbm values through SNMP so we convert Watts to dbm to have a nice graph to show
                        if ($device['os'] == "iosxr") {
                            $sensor_value = round(10 * log10($sensor_value / 1000), 3);
                        }
                    } else {
                        if ($sensor['sensor_type'] == 'apc') {
                            $sensor_value = trim(str_replace('"', '', snmp_walk($device, $sensor['sensor_oid'], '-OUqnv', "SNMPv2-MIB:PowerNet-MIB{$mib}")));
                        } else {
                            $sensor_value = trim(str_replace('"', '', snmp_get($device, $sensor['sensor_oid'], '-OUqnv', "SNMPv2-MIB{$mib}")));
                        }
                    }
                }
            }
            //end if
            unset($mib);
        } else {
            if ($sensor['poller_type'] == 'agent') {
                if (isset($agent_sensors)) {
                    $sensor_value = $agent_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['current'];
                } else {
                    echo "no agent data!\n";
                    continue;
                }
            } else {
                if ($sensor['poller_type'] == 'ipmi') {
                    echo " already polled.\n";
                    // ipmi should probably move here from the ipmi poller file (FIXME)
                    continue;
                } else {
                    echo "unknown poller type!\n";
                    continue;
                }
            }
        }
        //end if
        if ($sensor_value == -32768) {
            echo 'Invalid (-32768) ';
            $sensor_value = 0;
        }
        if ($sensor['sensor_divisor']) {
            $sensor_value = $sensor_value / $sensor['sensor_divisor'];
        }
        if ($sensor['sensor_multiplier']) {
            $sensor_value = $sensor_value * $sensor['sensor_multiplier'];
        }
        $rrd_file = get_sensor_rrd($device, $sensor);
        if (!is_file($rrd_file)) {
            rrdtool_create($rrd_file, '--step 300 
                DS:sensor:GAUGE:600:-20000:20000 ' . $config['rrd_rra']);
        }
        echo "{$sensor_value} {$unit}\n";
        $fields = array('sensor' => $sensor_value);
        rrdtool_update($rrd_file, $fields);
        // FIXME also warn when crossing WARN level!!
        if ($sensor['sensor_limit_low'] != '' && $sensor['sensor_current'] > $sensor['sensor_limit_low'] && $sensor_value <= $sensor['sensor_limit_low'] && $sensor['sensor_alert'] == 1) {
            echo 'Alerting for ' . $device['hostname'] . ' ' . $sensor['sensor_descr'] . "\n";
            log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . ' under threshold: ' . $sensor_value . " {$unit} (< " . $sensor['sensor_limit_low'] . " {$unit})", $device, $class, $sensor['sensor_id']);
        } else {
            if ($sensor['sensor_limit'] != '' && $sensor['sensor_current'] < $sensor['sensor_limit'] && $sensor_value >= $sensor['sensor_limit'] && $sensor['sensor_alert'] == 1) {
                echo 'Alerting for ' . $device['hostname'] . ' ' . $sensor['sensor_descr'] . "\n";
                log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . ' above threshold: ' . $sensor_value . " {$unit} (> " . $sensor['sensor_limit'] . " {$unit})", $device, $class, $sensor['sensor_id']);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                }
            }
        }
        $sensor_polled_time = time();
        // Store polled time for current sensor
        if (OBS_DEBUG) {
            print_r($sensor_poll);
        }
        if ($sensor_poll['sensor_value'] == -32768) {
            print_debug("Invalid (-32768) ");
            $sensor_poll['sensor_value'] = 0;
        }
        // Scale
        if (isset($sensor_db['sensor_multiplier']) && $sensor_db['sensor_multiplier'] != 0) {
            $sensor_poll['sensor_value'] *= $sensor_db['sensor_multiplier'];
        }
        // Unit conversion to SI (if required)
        $sensor_poll['sensor_value'] = value_to_si($sensor_poll['sensor_value'], $sensor_db['sensor_unit'], $class);
        //print_cli_data("Value", $sensor_poll['sensor_value'] . "$unit ", 3);
        // FIXME this block and the other block below it are kinda retarded. They should be merged and simplified.
        if ($sensor_poll['sensor_ignore'] || $sensor_poll['sensor_disable']) {
            $sensor_poll['sensor_event'] = 'ignore';
        } else {
            if ($sensor_db['sensor_limit_low'] != '' && $sensor_poll['sensor_value'] < $sensor_db['sensor_limit_low'] || $sensor_db['sensor_limit'] != '' && $sensor_poll['sensor_value'] > $sensor_db['sensor_limit']) {
                $sensor_poll['sensor_event'] = 'alert';
                $sensor_poll['sensor_status'] = 'Sensor critical thresholds exceeded.';
                // FIXME - be more specific
            } else {
                if ($sensor_db['sensor_limit_low_warn'] != '' && $sensor_poll['sensor_value'] < $sensor_db['sensor_limit_low_warn'] || $sensor_db['sensor_limit_warn'] != '' && $sensor_poll['sensor_value'] > $sensor_db['sensor_limit_warn']) {
                    $sensor_poll['sensor_event'] = 'warning';
                    $sensor_poll['sensor_status'] = 'Sensor warning thresholds exceeded.';
                    // FIXME - be more specific
                } else {
                    $sensor_poll['sensor_event'] = 'ok';
                    $sensor_poll['sensor_status'] = '';
                    //if ($sensor_db['sensor_event'] != 'up' && $sensor_db['sensor_event'] != '')
                    //{
                    //  $sensor_poll['sensor_status'] = 'Sensor thresholds cleared.'; // FIXME - be more specific
                    //}
                }
            }
        }
        // If last change never set, use current time
        if (empty($sensor_db['sensor_last_change'])) {
            $sensor_db['sensor_last_change'] = $sensor_polled_time;
        }
        if ($sensor_poll['sensor_event'] != $sensor_db['sensor_event']) {
            // Sensor event changed, log and set sensor_last_change
            $sensor_poll['status_last_change'] = $sensor_polled_time;
            if ($sensor_db['sensor_event'] == 'ignore') {
                print_message("[%ySensor Ignored%n]", 'color');
            } else {
                if ($sensor_db['sensor_limit_low'] != "" && $sensor_db['sensor_value'] >= $sensor_db['sensor_limit_low'] && $sensor_poll['sensor_value'] < $sensor_db['sensor_limit_low']) {
                    // If old value greater than low limit and new value less than low limit
                    $msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor_db['sensor_descr'] . " is under threshold: " . $sensor_poll['sensor_value'] . "{$unit} (< " . $sensor_db['sensor_limit_low'] . "{$unit})";
                    log_event(ucfirst($class) . ' ' . $sensor_db['sensor_descr'] . " under threshold: " . $sensor_poll['sensor_value'] . " {$unit} (< " . $sensor_db['sensor_limit_low'] . " {$unit})", $device, 'sensor', $sensor_db['sensor_id'], 'warning');
                } else {
                    if ($sensor_db['sensor_limit'] != "" && $sensor_db['sensor_value'] <= $sensor_db['sensor_limit'] && $sensor_poll['sensor_value'] > $sensor_db['sensor_limit']) {
                        // If old value less than high limit and new value greater than high limit
                        $msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor_db['sensor_descr'] . " is over threshold: " . $sensor_poll['sensor_value'] . "{$unit} (> " . $sensor_db['sensor_limit'] . "{$unit})";
                        log_event(ucfirst($class) . ' ' . $sensor_db['sensor_descr'] . " above threshold: " . $sensor_poll['sensor_value'] . " {$unit} (> " . $sensor_db['sensor_limit'] . " {$unit})", $device, 'sensor', $sensor_db['sensor_id'], 'warning');
                    }
                }
            }
        } else {
            // If sensor not changed, leave old last_change
            $sensor_poll['sensor_last_change'] = $sensor_db['sensor_last_change'];
        }
        // Send statistics array via AMQP/JSON if AMQP is enabled globally and for the ports module
        if ($config['amqp']['enable'] == TRUE && $config['amqp']['modules']['sensors']) {
            $json_data = array('value' => $sensor_poll['sensor_value']);
            messagebus_send(array('attribs' => array('t' => time(), 'device' => $device['hostname'], 'device_id' => $device['device_id'], 'e_type' => 'sensor', 'e_class' => $sensor_db['sensor_class'], 'e_type' => $sensor_db['sensor_type'], 'e_index' => $sensor_db['sensor_index']), 'data' => $json_data));
        }
        // Add table row
        $table_rows[] = array($sensor_db['sensor_descr'], $sensor_db['sensor_class'], $sensor_db['sensor_type'], $sensor_db['poller_type'], $sensor_poll['sensor_value'] . $unit, $sensor_poll['sensor_event'], format_unixtime($sensor_poll['sensor_last_change']));
        // Update StatsD/Carbon
        if ($config['statsd']['enable'] == TRUE) {
            StatsD::gauge(str_replace(".", "_", $device['hostname']) . '.' . 'sensor' . '.' . $sensor_db['sensor_class'] . '.' . $sensor_db['sensor_type'] . '.' . $sensor_db['sensor_index'], $sensor_poll['sensor_value']);
        }
        // Update RRD - FIXME - can't convert to NG because filename is dynamic! new function should return index instead of filename.
        $rrd_file = get_sensor_rrd($device, $sensor_db);
        rrdtool_create($device, $rrd_file, "DS:sensor:GAUGE:600:-20000:U");
        rrdtool_update($device, $rrd_file, "N:" . $sensor_poll['sensor_value']);
        // Enable graph
        $graphs[$sensor_db['sensor_class']] = TRUE;
        // Check alerts
        $metrics = array();
        $metrics['sensor_value'] = $sensor_poll['sensor_value'];
        $metrics['sensor_event'] = $sensor_poll['sensor_event'];
        $metrics['sensor_event_uptime'] = $sensor_polled_time - $sensor_poll['sensor_last_change'];
        $metrics['sensor_status'] = $sensor_poll['sensor_status'];
        check_entity('sensor', $sensor_db, $metrics);
        // Update SQL State
        if (is_numeric($sensor_db['sensor_polled'])) {
            dbUpdate(array('sensor_value' => $sensor_poll['sensor_value'], 'sensor_event' => $sensor_poll['sensor_event'], 'sensor_status' => $sensor_poll['sensor_status'], 'sensor_last_change' => $sensor_poll['sensor_last_change'], 'sensor_polled' => $sensor_polled_time), 'sensors-state', '`sensor_id` = ?', array($sensor_db['sensor_id']));
        } else {
            dbInsert(array('sensor_id' => $sensor_db['sensor_id'], 'sensor_value' => $sensor_poll['sensor_value'], 'sensor_event' => $sensor_poll['sensor_event'], 'sensor_status' => $sensor_poll['sensor_status'], 'sensor_last_change' => $sensor_poll['sensor_last_change'], 'sensor_polled' => $sensor_polled_time), 'sensors-state');
        }
    }
}

 /**
  * @dataProvider providerGetSensorRrd
  */
 public function testGetSensorRrd($device, $sensor, $config, $result)
 {
     $GLOBAL['config'] = $config;
     $this->assertSame($result, get_sensor_rrd($device, $sensor));
 }

    echo 'Fetching IPMI sensor data...';
    if ($config['own_hostname'] != $device['hostname'] || $ipmi['host'] != 'localhost') {
        $remote = ' -H ' . $ipmi['host'] . ' -U ' . $ipmi['user'] . ' -P ' . $ipmi['password'];
    }
    $results = external_exec($config['ipmitool'] . ' -I ' . $ipmi['type'] . ' -c ' . $remote . ' sdr 2>/dev/null');
    echo " done.\n";
    foreach (explode("\n", $results) as $row) {
        list($desc, $value, $type, $status) = explode(',', $row);
        $ipmi_sensor[$desc][$config['ipmi_unit'][$type]]['value'] = $value;
        $ipmi_sensor[$desc][$config['ipmi_unit'][$type]]['unit'] = $type;
    }
    foreach ($ipmi_rows as $ipmisensors) {
        echo 'Updating IPMI sensor ' . $ipmisensors['sensor_descr'] . '... ';
        $sensor = $ipmi_sensor[$ipmisensors['sensor_descr']][$ipmisensors['sensor_class']]['value'];
        $unit = $ipmi_sensor[$ipmisensors['sensor_descr']][$ipmisensors['sensor_class']]['unit'];
        $rrd_file = get_sensor_rrd($device, $ipmisensors);
        if (is_file($old_rrd_file)) {
            rename($old_rrd_file, $rrd_file);
        }
        if (!is_file($rrd_file)) {
            rrdtool_create($rrd_file, '--step 300 
                DS:sensor:GAUGE:600:-20000:20000 ' . $config['rrd_rra']);
        }
        echo $sensor . " {$unit}\n";
        $fields = array('sensor' => $sensor);
        rrdtool_update($rrd_file, $fields);
        // FIXME warnings in event & mail not done here yet!
        dbUpdate(array('sensor_current' => $sensor, 'lastupdate' => array('NOW()')), 'sensors', 'poller_type = ? AND sensor_class = ? AND sensor_id = ?', array('ipmi', $ipmisensors['sensor_class'], $ipmisensors['sensor_id']));
    }
    unset($ipmi_sensor);
}

function poll_sensor($device, $class, $unit)
{
    global $config, $agent_sensors, $ipmi_sensors;
    $sql = "SELECT *, `sensors`.`sensor_id` AS `sensor_id`";
    $sql .= " FROM  `sensors`";
    $sql .= " LEFT JOIN  `sensors-state` ON  `sensors`.sensor_id =  `sensors-state`.sensor_id";
    $sql .= " WHERE `sensor_class` = ? AND `device_id` = ?";
    foreach (dbFetchRows($sql, array($class, $device['device_id'])) as $sensor) {
        echo "Checking (" . $sensor['poller_type'] . ") {$class} " . $sensor['sensor_descr'] . " ";
        if ($sensor['poller_type'] == "snmp") {
            #      if ($class == "temperature" && $device['os'] == "papouch")
            if ($class == "temperature") {
                for ($i = 0; $i < 5; $i++) {
                    if ($debug) {
                        echo "Attempt {$i} ";
                    }
                    $sensor_value = preg_replace("/[^0-9.]/", "", snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB"));
                    if (is_numeric($sensor_value) && $sensor_value != 9999) {
                        break;
                    }
                    # TME sometimes sends 999.9 when it is right in the middle of an update;
                    sleep(1);
                    # Give the TME some time to reset
                }
            } else {
                $sensor_value = trim(str_replace("\"", "", snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB")));
            }
        } else {
            if ($sensor['poller_type'] == "agent") {
                if (isset($agent_sensors)) {
                    $sensor_value = $agent_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['current'];
                    # FIXME pass unit?
                } else {
                    echo "no agent data!\n";
                    continue;
                }
            } else {
                if ($sensor['poller_type'] == "ipmi") {
                    if (isset($ipmi_sensors)) {
                        $sensor_value = $ipmi_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['current'];
                        $unit = $ipmi_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['unit'];
                    } else {
                        echo "no IPMI data!\n";
                        continue;
                    }
                } else {
                    echo "unknown poller type!\n";
                    continue;
                }
            }
        }
        if ($sensor_value == -32768) {
            echo "Invalid (-32768) ";
            $sensor_value = 0;
        }
        if ($sensor['sensor_divisor']) {
            $sensor_value = $sensor_value / $sensor['sensor_divisor'];
        }
        if ($sensor['sensor_multiplier']) {
            $sensor_value = $sensor_value * $sensor['sensor_multiplier'];
        }
        $rrd_file = get_sensor_rrd($device, $sensor);
        if (!is_file($rrd_file)) {
            rrdtool_create($rrd_file, "--step 300 \\\n      DS:sensor:GAUGE:600:-20000:U " . $config['rrd_rra']);
            //DS:sensor:GAUGE:600:-20000:20000 ".$config['rrd_rra']);
        }
        echo "{$sensor_value} {$unit} ";
        // FIXME also warn when crossing WARN level!!
        if ($sensor['sensor_ignore'] != "1") {
            if ($sensor['sensor_limit_low'] != "" && $sensor['sensor_value'] >= $sensor['sensor_limit_low'] && $sensor_value < $sensor['sensor_limit_low']) {
                $msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is under threshold: " . $sensor_value . "{$unit} (< " . $sensor['sensor_limit_low'] . "{$unit})";
                notify($device, ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
                print Console_Color::convert("[%rAlerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "%n\n");
                log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . " under threshold: " . $sensor_value . " {$unit} (< " . $sensor['sensor_limit_low'] . " {$unit})", $device, $class, $sensor['sensor_id']);
            } else {
                if ($sensor['sensor_limit'] != "" && $sensor['sensor_value'] <= $sensor['sensor_limit'] && $sensor_value > $sensor['sensor_limit']) {
                    $msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is over threshold: " . $sensor_value . "{$unit} (> " . $sensor['sensor_limit'] . "{$unit})";
                    notify($device, ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
                    print Console_Color::convert("[%rAlerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "%n\n");
                    log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . " above threshold: " . $sensor_value . " {$unit} (> " . $sensor['sensor_limit'] . " {$unit})", $device, $class, $sensor['sensor_id']);
                }
            }
        } else {
            print Console_Color::convert("[%ySensor Ignored%n]");
        }
        echo "\n";
        // Update RRD
        rrdtool_update($rrd_file, "N:{$sensor_value}");
        // Update SQL State
        if (is_numeric($sensor['sensor_polled'])) {
            dbUpdate(array('sensor_value' => $sensor_value, 'sensor_polled' => time()), 'sensors-state', '`sensor_id` = ?', array($sensor['sensor_id']));
        } else {
            dbInsert(array('sensor_id' => $sensor['sensor_id'], 'sensor_value' => $sensor_value, 'sensor_polled' => time()), 'sensors-state');
        }
    }
}

function poll_sensor($device, $class, $unit)
{
    global $config, $memcache, $agent_sensors;
    foreach (dbFetchRows("SELECT * FROM `sensors` WHERE `sensor_class` = ? AND `device_id` = ?", array($class, $device['device_id'])) as $sensor) {
        echo "Checking (" . $sensor['poller_type'] . ") {$class} " . $sensor['sensor_descr'] . "... ";
        if ($sensor['poller_type'] == "snmp") {
            if ($class == "temperature") {
                for ($i = 0; $i < 5; $i++) {
                    if ($debug) {
                        echo "Attempt {$i} ";
                    }
                    $sensor_value = trim(str_replace("\"", "", snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB")));
                    if (is_numeric($sensor_value) && $sensor_value != 9999) {
                        break;
                    }
                    # TME sometimes sends 999.9 when it is right in the middle of an update;
                    sleep(1);
                    # Give the TME some time to reset
                }
            } else {
                $sensor_value = trim(str_replace("\"", "", snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB")));
            }
        } else {
            if ($sensor['poller_type'] == "agent") {
                if (isset($agent_sensors)) {
                    $sensor_value = $agent_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['current'];
                } else {
                    echo "no agent data!\n";
                    continue;
                }
            } else {
                if ($sensor['poller_type'] == "ipmi") {
                    echo " already polled.\n";
                    # ipmi should probably move here from the ipmi poller file (FIXME)
                    continue;
                } else {
                    echo "unknown poller type!\n";
                    continue;
                }
            }
        }
        if ($sensor_value == -32768) {
            echo "Invalid (-32768) ";
            $sensor_value = 0;
        }
        if ($sensor['sensor_divisor']) {
            $sensor_value = $sensor_value / $sensor['sensor_divisor'];
        }
        if ($sensor['sensor_multiplier']) {
            $sensor_value = $sensor_value * $sensor['sensor_multiplier'];
        }
        $rrd_file = get_sensor_rrd($device, $sensor);
        if (!is_file($rrd_file)) {
            rrdtool_create($rrd_file, "--step 300 \\\n      DS:sensor:GAUGE:600:-20000:20000 " . $config['rrd_rra']);
        }
        echo "{$sensor_value} {$unit}\n";
        rrdtool_update($rrd_file, "N:{$sensor_value}");
        // FIXME also warn when crossing WARN level!!
        if ($sensor['sensor_limit_low'] != "" && $sensor['sensor_current'] > $sensor['sensor_limit_low'] && $sensor_value <= $sensor['sensor_limit_low'] && $sensor['sensor_alert'] == 1) {
            $msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is under threshold: " . $sensor_value . "{$unit} (< " . $sensor['sensor_limit'] . "{$unit})";
            notify($device, ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
            echo "Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n";
            log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . " under threshold: " . $sensor_value . " {$unit} (< " . $sensor['sensor_limit_low'] . " {$unit})", $device, $class, $sensor['sensor_id']);
        } else {
            if ($sensor['sensor_limit'] != "" && $sensor['sensor_current'] < $sensor['sensor_limit'] && $sensor_value >= $sensor['sensor_limit'] && $sensor['sensor_alert'] == 1) {
                $msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is over threshold: " . $sensor_value . "{$unit} (> " . $sensor['sensor_limit'] . "{$unit})";
                notify($device, ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
                echo "Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n";
                log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . " above threshold: " . $sensor_value . " {$unit} (> " . $sensor['sensor_limit'] . " {$unit})", $device, $class, $sensor['sensor_id']);
            }
        }
        if ($config['memcached']['enable']) {
            $memcache->set('sensor-' . $sensor['sensor_id'] . '-value', $sensor_value);
        } else {
            dbUpdate(array('sensor_current' => $sensor_value), 'sensors', '`sensor_class` = ? AND `sensor_id` = ?', array($class, $sensor['sensor_id']));
        }
    }
}

function poll_sensor($device, $class, $unit, &$oid_cache)
{
    global $config, $agent_sensors, $ipmi_sensors;
    $sql = "SELECT *, `sensors`.`sensor_id` AS `sensor_id`";
    $sql .= " FROM  `sensors`";
    $sql .= " LEFT JOIN  `sensors-state` ON  `sensors`.sensor_id =  `sensors-state`.sensor_id";
    $sql .= " WHERE `sensor_class` = ? AND `device_id` = ?";
    foreach (dbFetchRows($sql, array($class, $device['device_id'])) as $sensor) {
        echo "Checking (" . $sensor['poller_type'] . ") {$class} " . $sensor['sensor_descr'] . " ";
        $sensor_new = $sensor;
        // Cache non-humanized sensor array
        humanize_sensor($sensor);
        if ($sensor['poller_type'] == "snmp") {
            # if ($class == "temperature" && $device['os'] == "papouch")
            // Why all temperature?
            if ($class == "temperature" && !$sensor['sensor_state']) {
                for ($i = 0; $i < 5; $i++) {
                    // Take value from $oid_cache if we have it, else snmp_get it
                    if (is_numeric($oid_cache[$sensor['sensor_oid']])) {
                        print_debug("value taken from oid_cache");
                        $sensor_value = $oid_cache[$sensor['sensor_oid']];
                    } else {
                        $sensor_value = preg_replace("/[^0-9\\-\\.]/", "", snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB", mib_dirs()));
                    }
                    if (is_numeric($sensor_value) && $sensor_value != 9999) {
                        break;
                    }
                    // TME sometimes sends 999.9 when it is right in the middle of an update;
                    sleep(1);
                    # Give the TME some time to reset
                }
                // Also reduce value by 32 if sensor in Fahrenheit unit
                if ($sensor['sensor_divisor'] == 9 && $sensor['sensor_multiplier'] == 5) {
                    $sensor_value -= 32;
                }
            } else {
                if ($class == "runtime" && !$sensor['sensor_state']) {
                    if (isset($oid_cache[$sensor['sensor_oid']])) {
                        print_debug("value taken from oid_cache");
                        $sensor_value = timeticks_to_sec($oid_cache[$sensor['sensor_oid']]);
                    } else {
                        $sensor_value = trim(str_replace("\"", "", snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB", mib_dirs())));
                        $sensor_value = timeticks_to_sec($sensor_value);
                    }
                } else {
                    // Take value from $oid_cache if we have it, else snmp_get it
                    if (is_numeric($oid_cache[$sensor['sensor_oid']])) {
                        print_debug("value taken from oid_cache");
                        $sensor_value = $oid_cache[$sensor['sensor_oid']];
                    } else {
                        $sensor_value = trim(str_replace("\"", "", snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB", mib_dirs())));
                    }
                }
            }
        } else {
            if ($sensor['poller_type'] == "agent") {
                if (isset($agent_sensors)) {
                    $sensor_value = $agent_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['current'];
                    # FIXME pass unit?
                } else {
                    print_warning("No agent sensor data.");
                    continue;
                }
            } else {
                if ($sensor['poller_type'] == "ipmi") {
                    if (isset($ipmi_sensors)) {
                        $sensor_value = $ipmi_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['current'];
                        $unit = $ipmi_sensors[$class][$sensor['sensor_type']][$sensor['sensor_index']]['unit'];
                    } else {
                        print_warning("No IPMI sensor data.");
                        continue;
                    }
                } else {
                    print_warning("Unknown sensor poller type.");
                    continue;
                }
            }
        }
        if (!$sensor['sensor_state']) {
            if ($sensor_value == -32768) {
                echo "Invalid (-32768) ";
                $sensor_value = 0;
            }
            if ($sensor['sensor_divisor']) {
                $sensor_value = $sensor_value / $sensor['sensor_divisor'];
            }
            if ($sensor['sensor_multiplier']) {
                $sensor_value = $sensor_value * $sensor['sensor_multiplier'];
            }
        }
        $rrd_file = get_sensor_rrd($device, $sensor);
        if (!is_file($rrd_file)) {
            rrdtool_create($rrd_file, "DS:sensor:GAUGE:600:-20000:U");
            //DS:sensor:GAUGE:600:-20000:20000 ");
        }
        echo "{$sensor_value} {$unit} ";
        // Write new value and humanize (for alert checks)
        $sensor_new['sensor_value'] = $sensor_value;
        humanize_sensor($sensor_new);
        // FIXME also warn when crossing WARN level!!
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        }
        if (OBS_DEBUG) {
            print_r($sensor_poll);
        }
        if ($sensor_poll['sensor_value'] == -32768) {
            print_debug("Invalid (-32768) ");
            $sensor_poll['sensor_value'] = 0;
        }
        /// FIXME. This is old pre 'scale' method, remove in r7000
        if (isset($sensor_db['sensor_divisor']) && $sensor_db['sensor_divisor'] > 1) {
            /// This is fix for r5351
            if ($sensor_db['sensor_multiplier'] >= 1) {
                $sensor_poll['sensor_value'] = $sensor_poll['sensor_value'] / $sensor_db['sensor_divisor'];
            }
        }
        if (isset($sensor_db['sensor_multiplier']) && $sensor_db['sensor_multiplier'] != 0) {
            $f2c = FALSE;
            if ($class == "temperature") {
                // This is weird hardcode for convert Fahrenheit to Celsius
                foreach (array(1, 0.1) as $scale_tmp) {
                    if (float_cmp($sensor_db['sensor_multiplier'], $scale_tmp * 5 / 9) === 0) {
                        $sensor_db['sensor_multiplier'] = $scale_tmp;
                        $f2c = TRUE;
                        break;
                    }
                }
            }
            $sensor_poll['sensor_value'] *= $sensor_db['sensor_multiplier'];
            if ($f2c) {
                $sensor_poll['sensor_value'] = f2c($sensor_poll['sensor_value']);
                print_debug('TEMPERATURE sensor: Fahrenheit -> Celsius');
            }
        }
        $rrd_file = get_sensor_rrd($device, $sensor_db);
        rrdtool_create($device, $rrd_file, "DS:sensor:GAUGE:600:-20000:U");
        echo $sensor_poll['sensor_value'] . "{$unit} ";
        // FIXME this block and the other block below it are kinda retarded. They should be merged and simplified.
        if ($sensor_poll['sensor_ignore'] || $sensor_poll['sensor_disable']) {
            $sensor_poll['sensor_event'] = 'ignore';
        } else {
            if ($sensor_db['sensor_limit_low_warn'] != '' && $sensor_poll['sensor_value'] < $sensor_db['sensor_limit_low_warn'] || $sensor_db['sensor_limit_warn'] != '' && $sensor_poll['sensor_value'] > $sensor_db['sensor_limit_warn']) {
                $sensor_poll['sensor_event'] = 'warning';
                $sensor_poll['sensor_status'] = 'Sensor warning thresholds exceeded.';
                // FIXME - be more specific
            } else {
                if (($sensor_db['sensor_limit_low'] != '' && $sensor_poll['sensor_value'] < $sensor_db['sensor_limit_low'] || $sensor_db['sensor_limit'] != '' && $sensor_poll['sensor_value'] > $sensor_db['sensor_limit']) && $sensor_db['sensor_value'] != '') {
                    $sensor_poll['sensor_event'] = 'alert';
                    $sensor_poll['sensor_status'] = 'Sensor critical thresholds exceeded.';
                    // FIXME - be more specific
                } else {
                    $sensor_poll['sensor_event'] = 'up';
                    $sensor_poll['sensor_status'] = '';
                    //if ($sensor_db['sensor_event'] != 'up' && $sensor_db['sensor_event'] != '')
                    //{
                    //  $sensor_poll['sensor_status'] = 'Sensor thresholds cleared.'; // FIXME - be more specific
                    //}
                }
            }
        }
        // FIXME I left the eventlog code for now, as soon as alerts send an entry to the eventlog this can go.
        if ($sensor_db['sensor_event'] != 'ignore') {
            if ($sensor_db['sensor_limit_low'] != "" && $sensor_db['sensor_value'] >= $sensor_db['sensor_limit_low'] && $sensor_poll['sensor_value'] < $sensor_db['sensor_limit_low']) {
                // If old value greater than low limit and new value less than low limit
                $msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor_db['sensor_descr'] . " is under threshold: " . $sensor_poll['sensor_value'] . "{$unit} (< " . $sensor_db['sensor_limit_low'] . "{$unit})";
                log_event(ucfirst($class) . ' ' . $sensor_db['sensor_descr'] . " under threshold: " . $sensor_poll['sensor_value'] . " {$unit} (< " . $sensor_db['sensor_limit_low'] . " {$unit})", $device, 'sensor', $sensor_db['sensor_id'], 'warning');
            } else {