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diff --git a/src/applications/cache/spec/PhabricatorDataCacheSpec.php b/src/applications/cache/spec/PhabricatorDataCacheSpec.php
index eae5d75790..482af00d00 100644
--- a/src/applications/cache/spec/PhabricatorDataCacheSpec.php
+++ b/src/applications/cache/spec/PhabricatorDataCacheSpec.php
@@ -1,127 +1,139 @@
<?php
final class PhabricatorDataCacheSpec extends PhabricatorCacheSpec {
private $cacheSummary;
public function setCacheSummary(array $cache_summary) {
$this->cacheSummary = $cache_summary;
return $this;
}
public function getCacheSummary() {
return $this->cacheSummary;
}
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')) {
$spec->initAPCSpec();
} else if (extension_loaded('apcu')) {
$spec->initAPCuSpec();
} else {
$spec->initNoneSpec();
}
return $spec;
}
private function initAPCSpec() {
$this
->setName(pht('APC User Cache'))
->setVersion(phpversion('apc'));
if (ini_get('apc.enabled')) {
$this
->setIsEnabled(true)
->setClearCacheCallback('apc_clear_cache');
$this->initAPCCommonSpec();
} else {
$this->setIsEnabled(false);
$this->raiseEnableAPCIssue();
}
}
private function initAPCuSpec() {
$this
->setName(pht('APCu'))
->setVersion(phpversion('apcu'));
if (ini_get('apc.enabled')) {
$this
->setIsEnabled(true)
->setClearCacheCallback('apc_clear_cache');
$this->initAPCCommonSpec();
} else {
$this->setIsEnabled(false);
$this->raiseEnableAPCIssue();
}
}
private function initNoneSpec() {
if (version_compare(phpversion(), '5.5', '>=')) {
$message = pht(
'Installing the "APCu" PHP extension will improve performance. '.
'This extension is strongly recommended. Without it, Phabricator '.
'must rely on a very inefficient disk-based cache.');
$this
->newIssue('extension.apcu')
->setShortName(pht('APCu'))
->setName(pht('PHP Extension "APCu" Not Installed'))
->setMessage($message)
->addPHPExtension('apcu');
} else {
$this->raiseInstallAPCIssue();
}
}
private function initAPCCommonSpec() {
- $mem = apc_sma_info();
- $this->setTotalMemory($mem['num_seg'] * $mem['seg_size']);
+ $state = array();
- $info = apc_cache_info('user');
- $this->setUsedMemory($info['mem_size']);
- $this->setEntryCount(count($info['cache_list']));
+ if (function_exists('apcu_sma_info')) {
+ $mem = apcu_sma_info();
+ $info = apcu_cache_info();
+ } else if (function_exists('apc_sma_info')) {
+ $mem = apc_sma_info();
+ $info = apc_cache_info('user');
+ } else {
+ $mem = null;
+ }
- $cache = $info['cache_list'];
- $state = array();
- foreach ($cache as $item) {
- $info = idx($item, 'info', '<unknown-key>');
- $key = self::getKeyPattern($info);
- if (empty($state[$key])) {
- $state[$key] = array(
- 'max' => 0,
- 'total' => 0,
- 'count' => 0,
- );
+ if ($mem) {
+ $this->setTotalMemory($mem['num_seg'] * $mem['seg_size']);
+
+ $this->setUsedMemory($info['mem_size']);
+ $this->setEntryCount(count($info['cache_list']));
+
+ $cache = $info['cache_list'];
+ $state = array();
+ foreach ($cache as $item) {
+ $info = idx($item, 'info', '<unknown-key>');
+ $key = self::getKeyPattern($info);
+ if (empty($state[$key])) {
+ $state[$key] = array(
+ 'max' => 0,
+ 'total' => 0,
+ 'count' => 0,
+ );
+ }
+ $state[$key]['max'] = max($state[$key]['max'], $item['mem_size']);
+ $state[$key]['total'] += $item['mem_size'];
+ $state[$key]['count']++;
}
- $state[$key]['max'] = max($state[$key]['max'], $item['mem_size']);
- $state[$key]['total'] += $item['mem_size'];
- $state[$key]['count']++;
}
$this->setCacheSummary($state);
}
private static function getKeyPattern($key) {
// If this key isn't in the current cache namespace, don't reveal any
// information about it.
$namespace = PhabricatorEnv::getEnvConfig('phabricator.cache-namespace');
if (strncmp($key, $namespace.':', strlen($namespace) + 1)) {
return '<other-namespace>';
}
$key = preg_replace('/(?<![a-zA-Z])\d+(?![a-zA-Z])/', 'N', $key);
$key = preg_replace('/PHID-[A-Z]{4}-[a-z0-9]{20}/', 'PHID', $key);
// TODO: We should probably standardize how digests get embedded into cache
// keys to make this rule more generic.
$key = preg_replace('/:celerity:.*$/', ':celerity:X', $key);
$key = preg_replace('/:pkcs8:.*$/', ':pkcs8:X', $key);
return $key;
}
}

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