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phorge/src/applications/cache/spec/PhabricatorDataCacheSpec.php
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PhabricatorDataCacheSpec.php
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<?php
final class PhabricatorDataCacheSpec extends PhabricatorCacheSpec {
public static function getActiveCacheSpec() {
$spec = new PhabricatorDataCacheSpec();
// NOTE: If APCu is installed, it reports that APC is installed.
if (extension_loaded('apc') && !extension_loaded('apcu')) {
return self::getAPCSpec($spec);
} else if (extension_loaded('apcu')) {
return self::getAPCuSpec($spec);
} else {
return self::getNoneSpec($spec);
}
}
private static function getAPCSpec(PhabricatorDataCacheSpec $spec) {
$spec
->setName(pht('APC User Cache'))
->setVersion(phpversion('apc'));
if (ini_get('apc.enabled')) {
$spec->setIsEnabled(true);
self::getAPCCommonSpec($spec);
} else {
$spec->setIsEnabled(false);
$spec->newIssue(
pht('Enable APC'),
pht(
'The "APC" extension is currently disabled. Set "apc.enabled" to '.
'true to provide caching.'),
'apc.enabled');
}
return $spec;
}
private static function getAPCuSpec(PhabricatorDataCacheSpec $spec) {
$spec
->setName(pht('APCu'))
->setVersion(phpversion('apcu'));
if (ini_get('apc.enabled')) {
$spec->setIsEnabled(true);
self::getAPCCommonSpec($spec);
} else {
$spec->setIsEnabled(false);
$spec->newissue(
pht('Enable APCu'),
pht(
'The "APCu" extension is currently disabled. Set '.
'"apc.enabled" to true to provide caching.'),
'apc.enabled');
}
return $spec;
}
private static function getNoneSpec(PhabricatorDataCacheSpec $spec) {
if (version_compare(phpversion(), '5.5', '>=')) {
$spec->newIssue(
pht('Install APCu'),
pht(
'Install the "APCu" PHP extension to provide data caching.'));
} else {
$spec->newIssue(
pht('Install APC'),
pht(
'Install the "APC" PHP extension to provide data caching.'));
}
return $spec;
}
private static function getAPCCommonSpec(PhabricatorDataCacheSpec $spec) {
$mem = apc_sma_info();
$spec->setTotalMemory($mem['num_seg'] * $mem['seg_size']);
$info = apc_cache_info('user');
$spec->setUsedMemory($info['mem_size']);
$spec->setEntryCount(count($info['cache_list']));
}
}

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