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<?php
class SubPage
{
public static function doPreprocess()
{
User::assertPermission('hints');
}
public static function doRender()
{
$locs = User::getAllowedLocations('hints');
if (in_array(0, $locs)) {
$locs = [];
}
self::showMemoryUpgrade($locs);
self::showMemorySlow($locs);
self::showUnusedSpace($locs);
}
/**
* Machines that have less than 8GB of RAM. Highlight those
* that still have free memory slots.
*/
private static function showMemoryUpgrade(array $locs)
{
$q = new HardwareQuery(HardwareInfo::MAINBOARD);
if (!empty($locs)) {
$q->addMachineWhere('locationid', 'IN', $locs);
}
$q->addLocalColumn('Memory Slot Occupied');
$q->addGlobalColumn('Memory Slot Count');
$q->addGlobalColumn('Memory Maximum Capacity');
$q->addMachineColumn('clientip');
$q->addMachineColumn('hostname');
$col = $q->addLocalColumn('Memory Installed Capacity');
$col->addCondition('<', 8 * 1024 * 1024 * 1024);
$list = [];
foreach ($q->query() as $row) {
if (HardwareParser::convertSize($row['Memory Installed Capacity'], 'M', false)
>= HardwareParser::convertSize($row['Memory Maximum Capacity'], 'M', false)) {
$row['size_class'] = 'danger';
$list[] = $row;
} elseif ($row['Memory Slot Occupied'] < $row['Memory Slot Count']) {
$row['count_class'] = 'success';
array_unshift($list, $row);
} else {
$list[] = $row;
}
}
Render::addTemplate('hints-ram-upgrade', ['list' => $list]);
}
/**
* Show machines where RAM modules are running slower
* than their design speed.
*/
private static function showMemorySlow(array $locs)
{
$q = new HardwareQuery(HardwareInfo::RAM_MODULE);
if (!empty($locs)) {
$q->addMachineWhere('locationid', 'IN', $locs);
}
$q->addLocalColumn('Locator');
$q->addLocalColumn('Bank Locator');
$q->addGlobalColumn('Form Factor');
$q->addGlobalColumn('Type');
$q->addGlobalColumn('Size');
$q->addGlobalColumn('Manufacturer');
$q->addLocalColumn('Serial Number');
$q->addMachineColumn('clientip');
$q->addMachineColumn('hostname');
$col = $q->addGlobalColumn('Speed');
$col->addCondition('>', $q->addLocalColumn('Configured Memory Speed'));
$list = $q->query()->fetchAll();
Render::addTemplate('hints-ram-underclocked', ['list' => $list]);
}
/**
* Show machines that have unpartitioned space available,
* and no ID44 or ID45.
*/
private static function showUnusedSpace(array $locs)
{
$id44 = $id45 = [];
// ID44
$q = new HardwareQuery(HardwareInfo::HDD);
if (!empty($locs)) {
$q->addMachineWhere('locationid', 'IN', $locs);
}
$q->addMachineColumn('clientip');
$q->addMachineColumn('hostname');
$q->addLocalColumn('unused')->addCondition('>', 2000000000); // 2 GB
$q->addMachineWhere('id44mb', '<', 20000); // 20 GB
foreach ($q->query()->fetchAll() as $row) {
$row['unused_s'] = Util::readableFileSize($row['unused']);
$row['id44mb_s'] = Util::readableFileSize($row['id44mb'], -1, 2);
$id44[] = $row;
}
// ID45
$q = new HardwareQuery(HardwareInfo::HDD);
if (!empty($locs)) {
$q->addMachineWhere('locationid', 'IN', $locs);
}
$q->addMachineColumn('clientip');
$q->addMachineColumn('hostname');
$q->addLocalColumn('unused')->addCondition('>', 50000000000); // 50 GB
$q->addMachineWhere('id44mb', '>', 20000); // 20 GB
$q->addMachineWhere('id45mb', '<', 20000); // 20 GB
// Only suggest SSD based systems, caching on spinning rust is usually slower than GBit
$q->addGlobalColumn('rotation_rate')->addCondition('=', 0);
foreach ($q->query()->fetchAll() as $row) {
$row['unused_s'] = Util::readableFileSize($row['unused']);
$row['id44mb_s'] = Util::readableFileSize($row['id44mb'], -1, 2);
$row['id45mb_s'] = Util::readableFileSize($row['id45mb'], -1, 2);
$id45[] = $row;
}
Render::addTemplate('hints-hdd-grow', [
'id44' => $id44,
'id45' => $id45,
]);
}
}
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