<?php
class HardwareParser
{
const SIZE_LOOKUP = ['T' => 1099511627776, 'G' => 1073741824, 'M' => 1048576, 'K' => 1024, '' => 1];
const SI_LOOKUP = ['T' => 1000000000000, 'G' => 1000000000, 'M' => 1000000, 'K' => 1000, '' => 1];
const LOOKUP = ['T' => 1099511627776, 'G' => 1073741824, 'M' => 1048576, 'K' => 1024, '' => 1];
/**
* Convert/format size unit. Input string can be a size like
* 8 GB or 1024 MB and will be converted according to passed parameters.
* @param string $string Input string
* @param string $scale 'a' for auto, T/G/M/K/'' for according units
* @param bool $appendUnit append unit string, e.g. 'GiB'
* @return false|string|int Formatted result
*/
public static function convertSize(string $string, string $scale = 'a', bool $appendUnit = true)
{
if (!preg_match('/(\d+)\s*([TGMK]?)/i', $string, $out)) {
//error_log("Not size: $string");
return false;
}
$val = (int)$out[1] * self::LOOKUP[strtoupper($out[2])];
if (!array_key_exists($scale, self::LOOKUP)) {
foreach (self::LOOKUP as $k => $v) {
if ($k === '' || $val / 8 >= $v || abs($val - $v) < 50) {
$scale = $k;
break;
}
}
}
$val = (int)round($val / self::LOOKUP[$scale]);
if ($appendUnit) {
$val .= ' ' . ($scale === '' ? 'Byte' : $scale . 'iB'); // NBSP!!
}
return $val;
}
/**
* Decode JEDEC ID to according manufacturer
* @param string $string
* @return string
*/
public static function decodeJedec(string $string): string
{
// JEDEC ID:7F 7F 9E 00 00 00 00 00
if (preg_match('/JEDEC(?:\s*ID)?\s*:\s*([0-9a-f\s]+)/i', $string, $out)) {
preg_match_all('/[0-9a-f]{2}/i', $out[1], $out);
$bank = 0;
$id = 0;
foreach ($out[0] as $id) {
$bank++;
$id = hexdec($id) & 0x7f; // Let's just ignore the parity bit, and any potential error
if ($id !== 0x7f)
break;
}
if ($id !== 0) {
static $data = false;
if ($data === false) $data = json_decode(file_get_contents(dirname(__FILE__) . '/jedec.json'), true);
if (array_key_exists('bank' . $bank, $data) && array_key_exists('id' . $id, $data['bank' . $bank]))
return $data['bank' . $bank]['id' . $id];
}
}
return $string;
}
/**
* @param string $key
* @param string $value
* @return ?int value, or null if not numeric
*/
private static function toNumeric(string $key, string $val)
{
$key = strtolower($key);
// Normalize voltage to mV
if ((strpos($key, 'volt') !== false || strpos($key, 'current') !== false)
&& preg_match('/^([0-9]+(?:\.[0-9]+)?)\s+(m?)V/', $val, $out)) {
return (int)($out[1] * ($out[2] === 'm' ? 1 : 1000));
}
if (preg_match('/speed|width|size|capacity/', $key)
&& preg_match('#^([0-9]+(?:\.[0-9]+)?)\s*([TGMK]?)i?([BT](?:it|yte|))s?(?:/s)?#i',
$val, $out)) {
// Matched (T/G/M) Bits, Bytes, etc...
// For bits, use SI
if ($out[3] !== 'B' && strtolower($out[3]) !== 'byte')
return (int)($out[1] * self::SI_LOOKUP[strtoupper($out[2])]);
// For bytes, use 1024
return (int)($out[1] * self::SIZE_LOOKUP[strtoupper($out[2])]);
}
// Speed in Hz
if (preg_match('#^([0-9]+(?:\.[0-9]+)?)\s*([TGMK]?)Hz#i',
$val, $out)) {
return (int)($out[1] * self::SI_LOOKUP[strtoupper($out[2])]);
}
// Count, size (unitless)
if (is_numeric($val) && preg_match('/^-?[0-9]+$/', $val)
&& preg_match('/used|occupied|count|number|size|temperature|_start|_value|_thresh|_worst|_time/', $key)) {
return (int)$val;
}
// Date
if (preg_match('#^(?:[0-9]{2}/[0-9]{2}/[0-9]{4}|[0-9]{4}-[0-9]{2}-[0-9]{2})$#', $val)) {
return (int)strtotime($val);
}
return null;
}
/**
* Takes hwinfo json, then looks up and returns all sections from the
* dmidecode subtree that represent the given dmi table entry type,
* e.g. 17 for memory. It will then return an array of 'props' subtrees.
*
* @param array $data hwinfo tree
* @param int $type dmi type
* @return array [ <props>, <props>, ... ]
*/
public static function getDmiHandles(array $data, int $type): array
{
if (empty($data['dmidecode']))
return [];
$ret = [];
foreach ($data['dmidecode'] as $section) {
if ($section['handle']['type'] == $type) {
$ret[] = $section['props'];
}
}
return $ret;
}
/**
* Takes key-value-array, returns a concatenated string of all the values with the keys given in $fields.
* The items are separated by spaces, and returned in the order they were given in $fields. Missing keys
* are silently omitted.
*/
private static function idFromArray(array $array, string ...$fields): string
{
$out = '';
foreach ($fields as $field) {
if (!isset($array[$field]))
continue;
if (empty($out)) {
$out = $array[$field];
} else {
$out .= ' ' . $array[$field];
}
}
return $out;
}
/**
* Establish a mapping between a client and some hardware device.
* Optionally writes hardware properties specific to a hardware instance of a client
*
* @param string $uuid client
* @param int $hwid hw global hw id
* @param string $pathId unique identifier for the local instance of this hw, e.q. PCI slot, /dev path, something that handles the case that there are multiple instances of the same hardware in one machine
* @param array $props KV-pairs of properties to write for this instance; can be empty
* @return int
*/
private static function writeLocalHardwareData(string $uuid, int $hwid, string $pathId, array $props): int
{
// Add mapping between hw entity and machine
$mappingId = Database::insertIgnore('machine_x_hw', 'machinehwid',
['hwid' => $hwid, 'machineuuid' => $uuid, 'devpath' => $pathId],
['disconnecttime' => 0]);
// And all the properties specific to this entity instance (e.g. serial number)
if (!empty($props)) {
$vals = [];
foreach ($props as $k => $v) {
$vals[] = [$mappingId, $k, $v, self::toNumeric($k, $v)];
}
Database::exec("INSERT INTO machine_x_hw_prop (machinehwid, prop, `value`, `numeric`)
VALUES :vals
ON DUPLICATE KEY UPDATE `value` = VALUES(`value`), `numeric` = VALUES(`numeric`)", ['vals' => $vals]);
}
return $mappingId;
}
/**
* Takes an array of type [ key1 => [ 'values' => [ <val1.1>, <val1.2>, ... ] ], key2 => ... ]
* and turns it into [ key1 => <val1.1>, key2 => <val2.1>, ... ]
*
* Along the way:
* 1) any fields with bogus values, or values analogous to empty will get removed
*/
public static function prepareDmiProperties(array $data): array
{
$ret = [];
foreach ($data as $key => $vals) {
$val = trim($vals['values'][0] ?? 'NULL');
if ($val === '[Empty]' || $val === 'NULL')
continue;
$val = preg_replace('/[^a-z0-9]/', '', strtolower($val));
if ($val === '' || $val === 'notspecified' || $val === 'tobefilledbyoem' || $val === 'unknown'
|| $val === 'chassismanufacture' || $val === 'chassismanufacturer' || $val === 'chassisversion'
|| $val === 'chassisserialnumber' || $val === 'defaultstring' || $val === 'productname'
|| $val === 'manufacturer' || $val === 'systemmodel' || $val === 'fillbyoem' || $val === 'none') {
continue;
}
$val = trim($vals['values'][0] ?? '');
if ($key === 'Manufacturer') {
$val = self::fixManufacturer($val);
}
$ret[$key] = $val;
}
return $ret;
}
/**
* Mark all devices of a given type disconnected from the given machine, with an optional
* exclude list of machine-client-mapping IDs
*
* @param string $uuid client
* @param string $dbType type, eg HDD
* @param array $excludedHwIds mappingIDs to exclude, ie. devices that are still connected
*/
private static function markDisconnected(string $uuid, string $dbType, array $excludedHwIds)
{
//error_log("Marking disconnected for $dbType except " . implode(', ', $excludedHwIds));
if (empty($excludedHwIds)) {
Database::exec("UPDATE machine_x_hw mxh, statistic_hw h
SET mxh.disconnecttime = UNIX_TIMESTAMP()
WHERE h.hwtype = :type AND h.hwid = mxh.hwid AND mxh.machineuuid = :uuid
AND mxh.disconnecttime = 0",
['type' => $dbType, 'uuid' => $uuid]);
} else {
Database::exec("UPDATE machine_x_hw mxh, statistic_hw h
SET mxh.disconnecttime = UNIX_TIMESTAMP()
WHERE h.hwtype = :type AND h.hwid = mxh.hwid AND mxh.machineuuid = :uuid
AND mxh.disconnecttime = 0 AND mxh.machinehwid NOT IN (:hwids)",
['type' => $dbType, 'uuid' => $uuid, 'hwids' => $excludedHwIds]);
}
}
private static function writeGlobalHardwareData(string $dbType, array $global): int
{
static $cache = [];
// Since the global properties are supposed to be unique for a specific piece of hardware, use them all
// to generate a combined ID for this hardware entity, as opposed to $localProps, which should differ
// between instances of the same hardware entity, e.g. one specific HDD model has different serial numbers.
$id = md5(implode(' ', $global));
if (!isset($cache[$id])) {
// Cache lookup, make sure we insert this only once for every run, as this is supposed to be general
// information about the hardware, e.g. model number, max. resultion, capacity, ...
$hwid = Database::insertIgnore('statistic_hw', 'hwid', ['hwtype' => $dbType, 'hwname' => $id]);
$vals = [];
foreach ($global as $k => $v) {
$vals[] = [$hwid, $k, $v, self::toNumeric($k, $v)];
}
if (!empty($vals)) {
Database::exec("INSERT INTO statistic_hw_prop (hwid, prop, `value`, `numeric`)
VALUES :vals
ON DUPLICATE KEY UPDATE `value` = VALUES(`value`), `numeric` = VALUES(`numeric`)",
['vals' => $vals]);
}
$cache[$id] = $hwid;
}
return $cache[$id];
}
public static function parseMachine(string $uuid, array $data)
{
$version = $data['version'] ?? 0;
if ($version != 2) {
error_log("Received unsupported hw json v$version");
return;
}
// determine misc stuff first
$globalMainboardExtra = [];
$localMainboardExtra = [];
// physical memory array
$memArrays = self::getDmiHandles($data, 16);
$globalMainboardExtra['Memory Slot Count'] = 0;
$globalMainboardExtra['Memory Maximum Capacity'] = 0;
foreach ($memArrays as $mem) {
$mem = self::prepareDmiProperties($mem);
if (isset($mem['Number Of Devices']) && ($mem['Use'] ?? 0) === 'System Memory') {
$globalMainboardExtra['Memory Slot Count'] += $mem['Number Of Devices'];
}
if (isset($mem['Maximum Capacity'])) {
$globalMainboardExtra['Memory Maximum Capacity']
+= self::convertSize($mem['Maximum Capacity'], 'M', false);
}
}
$globalMainboardExtra['Memory Maximum Capacity']
= self::convertSize($globalMainboardExtra['Memory Maximum Capacity'] . ' MB', 'G');
// BIOS section - need to cross-match this with mainboard or system model, as it doesn't have a meaningful
// identifier on its own
$bios = self::prepareDmiProperties(self::getDmiHandles($data, 0)[0]);
foreach (['Version', 'Release Date', 'Firmware Revision'] as $k) {
if (isset($bios[$k])) {
$localMainboardExtra['BIOS ' . $k] = $bios[$k];
}
}
if (isset($bios['BIOS Revision'])) {
$localMainboardExtra['BIOS Revision'] = $bios['BIOS Revision'];
}
foreach (['Vendor', 'ROM Size'] as $k) {
if (isset($bios[$k])) {
$globalMainboardExtra['BIOS ' . $k] = $bios[$k];
}
}
// Using the general helper function
$capa = 0;
$ramModCount = self::updateHwTypeFromDmi($uuid, $data, 17, HardwareInfo::RAM_MODULE, function (array $flat) use (&$capa): bool {
$size = self::convertSize(($flat['Size'] ?? 0), '', false);
if ($size > 65 * 1024 * 1024) {
$capa += $size;
return true;
}
return false;
},
['Locator'],
['Data Width',
'Size',
'Form Factor',
'Type',
'Type Detail',
'Speed',
'Manufacturer',
'Part Number',
'Minimum Voltage',
'Maximum Voltage'],
['Locator', 'Bank Locator', 'Serial Number', 'Asset Tag', 'Configured Memory Speed', 'Configured Voltage']
);
// Fake RAM slots used/total etc. into this
$localMainboardExtra['Memory Slot Occupied'] = $ramModCount;
$localMainboardExtra['Memory Installed Capacity'] = self::convertSize($capa, 'G', true);
foreach (['sockets', 'cores', 'threads'] as $key) {
if (!isset($data['cpu'][$key]))
continue;
$localMainboardExtra['cpu-' . $key] = $data['cpu'][$key];
}
self::updateHwTypeFromDmi($uuid, $data, 2, HardwareInfo::MAINBOARD, ['Manufacturer', 'Product Name'],
[],
['Manufacturer', 'Product Name', 'Type', 'Version'],
['Serial Number', 'Asset Tag', 'Location In Chassis'],
$globalMainboardExtra, $localMainboardExtra
);
self::updateHwTypeFromDmi($uuid, $data, 1, HardwareInfo::DMI_SYSTEM, ['Manufacturer', 'Product Name'],
[],
['Manufacturer', 'Product Name', 'Version', 'Wake-up Type'],
['Serial Number', 'UUID', 'SKU Number']
);
self::updateHwTypeFromDmi($uuid, $data, 39, HardwareInfo::POWER_SUPPLY, ['Manufacturer'],
['Location',
'Power Unit Group',
'Name'], // Location might be empty/"Unknown", but Name can be something like "PSU 2"
['Manufacturer', 'Product Name', 'Model Part Number', 'Revision', 'Max Power Capacity'],
['Serial Number', 'Asset Tag', 'Status', 'Plugged', 'Hot Replaceable']
);
self::updateHwTypeFromDmi($uuid, $data, 4, HardwareInfo::CPU, ['Version'],
['Socket Designation'],
['Type', 'Family', 'Manufacturer', 'Signature', 'Version', 'Core Count', 'Thread Count'],
['Voltage', 'Current Speed', 'Upgrade', 'Core Enabled']);
// Information about system slots
self::updateHwTypeFromDmi($uuid, $data, 9, HardwareInfo::SYSTEM_SLOT, function (array &$entry): bool {
// Use a callback filter to extract PCIe slot metadata into unique fields
if (!isset($entry['Type']))
return false;
// Split up PCIe info
if (preg_match('/^x(?<b>\d+) PCI Express( (?<g>\d+)( x(?<s>\d+))?)?$/', $entry['Type'], $out)) {
$entry['Type'] = 'PCI Express';
$entry['PCIe Bus Width'] = $out['b'];
if (!empty($out['g'])) {
$entry['PCIe Gen'] = $out['g'];
}
if (!empty($out['s'])) {
$entry['PCIe Slot Width'] = $out['s'];
}
}
return true;
},
['Designation', 'ID', 'Bus Address'],
['Type', 'PCIe Bus Width', 'PCIe Gen', 'PCIe Slot Width'],
['Current Usage', 'Designation']
);
// ---- lspci ------------------------------------
$pciHwIds = [];
foreach (($data['lspci'] ?? []) as $dev) {
$props = self::propsFromArray($dev, 'vendor', 'device', 'rev', 'class');
if (!isset($props['vendor']) || !isset($props['device']))
continue;
$hwid = self::writeGlobalHardwareData(HardwareInfo::PCI_DEVICE, $props);
$mappingId = self::writeLocalHardwareData($uuid, $hwid, $dev['slot'] ?? 'unknown',
self::propsFromArray($dev, 'slot', 'subsystem', 'subsystem_vendor', 'iommu_group'));
$pciHwIds[] = $mappingId;
}
self::markDisconnected($uuid, HardwareInfo::PCI_DEVICE, $pciHwIds);
// ---- Disks ------------------------------------0Y3R3K
$hddHwIds = [];
$id44 = $id45 = 0;
foreach (($data['drives'] ?? []) as $dev) {
if (empty($dev['readlink']))
continue;
if (!isset($dev['smartctl'])) {
$smart = [];
} else {
$smart =& $dev['smartctl'];
}
if (!isset($dev['lsblk']['blockdevices'][0])) {
$lsblk = [];
} else {
$lsblk =& $dev['lsblk']['blockdevices'][0];
}
if (!isset($smart['rotation_rate']) && isset($lsblk['rota']) && !$lsblk['rota']) {
$smart['rotation_rate'] = 0;
}
$size = $lsblk['size'] ?? $smart['user_capacity']['bytes'] ?? 'unknown';
$hwid = self::writeGlobalHardwareData(HardwareInfo::HDD, [
// Try to use the model name as the unique identifier
'model' => $smart['model_name'] ?? $lsblk['model'] ?? 'unknown',
// Append device size as some kind of fallback, in case model is unknown
'size' => $size,
'physical_block_size' => $smart['physical_block_size'] ?? $lsblk['phy-sec'] ?? 0,
'logical_block_size' => $smart['logical_block_size'] ?? $lsblk['log-sec'] ?? 0,
] + self::propsFromArray($smart, 'rotation_rate', 'sata_version//string',
'interface_speed//max//string', 'model_family'));
// Mangle smart attribute table
// TODO: Handle used endurance indicator for (SATA) SSDs
$table = [];
foreach (($smart['ata_smart_attributes']['table'] ?? []) as $attr) {
if (!isset($attr['id']))
continue;
$id = 'attr_' . $attr['id'] . '_';
foreach (['value', 'worst', 'thresh', 'when_failed'] as $item) {
if (isset($attr[$item])) {
$table[$id . $item] = $attr[$item];
}
}
if (isset($attr['raw']['value'])) {
if ($attr['id'] === 194) {
if (!isset($smart['temperature'])) {
$smart['temperature'] = [];
}
if (!isset($smart['temperature']['current'])) {
$smart['temperature']['current'] = $attr['raw']['value'] & 0xffff;
}
$smart['temperature']['min'] = ($attr['raw']['value'] >> 16) & 0xffff;
$smart['temperature']['max'] = ($attr['raw']['value'] >> 32) & 0xffff;
}
$table[$id . 'raw'] = $attr['raw']['value'];
}
}
if (isset($smart['nvme_smart_health_information_log'])
&& is_array($smart['nvme_smart_health_information_log'])) {
$table += array_filter($smart['nvme_smart_health_information_log'], function ($v, $k) {
return !is_array($v) && $k !== 'temperature' && $k !== 'temperature_sensors';
}, ARRAY_FILTER_USE_BOTH);
}
// Partitions - find special ones
$used = 0;
if (isset($dev['sfdisk']['partitiontable'])) {
$table['partition_table'] = $dev['sfdisk']['partitiontable']['label'] ?? 'none';
switch ($dev['sfdisk']['partitiontable']['unit'] ?? 'sectors') {
case 'sectors':
$fac = 512;
break;
case 'bytes':
$fac = 1;
break;
default:
$fac = 0;
}
$i = 0;
foreach (($dev['sfdisk']['partitiontable']['partitions'] ?? []) as $part) {
if (!isset($part['size']))
continue;
$type = hexdec($part['type'] ?? '0');
if ($type === 0x0 || $type === 0x5 || $type === 0xf || $type === 0x15 || $type === 0x1f
|| $type === 0x85 || $type === 0xc5 || $type == 0xcf)
continue; // Extended partition, ignore
$used += $part['size'] * $fac;
$id = 'part_' . $i . '_';
foreach (['start', 'size', 'type', 'uuid', 'name'] as $item) {
if (!isset($part[$item]))
continue;
if ($item === 'size' || $item === 'start') {
// Turn size and start into byte offsets
$table[$id . $item] = $part[$item] * $fac;
} else {
$table[$id . $item] = $part[$item];
}
}
$type = $table[$id . 'type'] ?? 0;
$name = $table[$id . 'name'] ?? '';
if ($type == '44' || strtolower($type) === '87f86132-ff94-4987-b250-444444444444'
|| $name === 'OpenSLX-ID44') {
$table[$id . 'slxtype'] = '44';
$id44 += $part['size'] * $fac;
} elseif ($type == '45' || strtolower($type) === '87f86132-ff94-4987-b250-454545454545'
|| $name === 'OpenSLX-ID45') {
$table[$id . 'slxtype'] = '45';
$id45 += $part['size'] * $fac;
}
//
++$i;
}
}
$table['unused'] = $size - $used;
$table['dev'] = $dev['readlink'];
$table += self::propsFromArray($smart + ($lsblk ?? []),
'serial_number', 'firmware_version',
'interface_speed//current//string',
'smart_status//passed', 'temperature//current', 'temperature//min', 'temperature//max',
'power_on_time//hours');
$mappingId = self::writeLocalHardwareData($uuid, $hwid, $dev['readlink'],
$table);
// Delete old partition and smart attribute entries
Database::exec("DELETE FROM machine_x_hw_prop WHERE machinehwid = :id AND prop NOT IN (:keep)
AND prop NOT LIKE '@%'", [
'id' => $mappingId,
'keep' => array_keys($table),
]);
$hddHwIds[] = $mappingId;
unset($smart, $lsblk);
} // End loop over disks
self::markDisconnected($uuid, HardwareInfo::HDD, $hddHwIds);
//
// Mark parse date
Database::exec("UPDATE machine SET dataparsetime = UNIX_TIMESTAMP(), id44mb = :id44, id45mb = :id45
WHERE machineuuid = :uuid", [
'uuid' => $uuid,
'id44' => round($id44 / (1024 * 1024)),
'id45' => round($id45 / (1024 * 1024)),
]);
}
/**
* Unify different variants of manufacturer names
*/
private static function fixManufacturer(string $in): string
{
$in = self::decodeJedec($in);
switch (strtolower($in)) {
case 'advanced micro devices, inc.':
case 'advanced micro devices':
case 'authenticamd':
return 'AMD';
case 'apple inc.':
return 'Apple';
case 'asustek computer inc.':
return 'ASUS';
case 'dell inc.':
return 'Dell';
case 'fujitsu':
case 'fujitsu client computing limited':
return 'Fujitsu';
case 'hewlett packard':
case 'hewlett-packard':
return 'HP';
case 'hynix semiconduc':
case 'hynix/hyundai':
case 'hyundai electronics hynix semiconductor inc':
case 'hynix semiconductor inc sk hynix':
return 'SK Hynix';
case 'genuineintel':
case 'intel corporation':
case 'intel(r) corp.':
case 'intel(r) corporation':
return 'Intel';
case 'samsung sdi':
return 'Samsung';
}
return $in;
}
/**
* Takes key-value-array, returns a new array with only the keys listed in $fields.
*/
private static function propsFromArray(array $array, string ...$fields): array
{
$ret = [];
foreach ($fields as $field) {
if (strpos($field, '//') === false) {
if (isset($array[$field]) && !is_array($array[$field])) {
$ret[$field] = $array[$field];
}
} else {
$parts = explode('//', $field);
$elem = $array;
foreach ($parts as $part) {
if (isset($elem[$part])) {
$elem = $elem[$part];
} else {
$elem = false;
break;
}
}
if ($elem !== false && !is_array($elem)) {
$ret[preg_replace('~//(value|string)$~', '', $field)] = $elem;
}
}
}
return $ret;
}
private static function updateHwTypeFromDmi(
string $uuid, array $data, int $type, string $dbType,
$requiredPropsOrCallback, array $pathFields, array $globalProps, array $localProps,
array $globalExtra = [], array $localExtra = []
): int
{
$sections = self::getDmiHandles($data, $type);
$thisMachineHwIds = [];
foreach ($sections as $section) {
$flat = self::prepareDmiProperties($section);
if (is_array($requiredPropsOrCallback)) {
foreach ($requiredPropsOrCallback as $prop) {
if (!isset($flat[$prop]))
continue 2;
}
}
if (is_callable($requiredPropsOrCallback)) {
if (!$requiredPropsOrCallback($flat))
continue;
}
// Global
$props = self::propsFromArray($flat, ...$globalProps);
$hwid = self::writeGlobalHardwareData($dbType, $props + $globalExtra);
// Local
$pathId = md5(self::idFromArray($flat, ...$pathFields));
$props = self::propsFromArray($flat, ...$localProps);
$mappingId = self::writeLocalHardwareData($uuid, $hwid, $pathId, $props + $localExtra);
$thisMachineHwIds[] = $mappingId;
}
// Any hw <-> client mappings not in that list get marked as disconnected
self::markDisconnected($uuid, $dbType, $thisMachineHwIds);
return count($thisMachineHwIds);
}
}
