/**
* Updates cache as necessary when message page is changed
*
* @param string $title name of the page changed.
* @param $text Mixed: new contents of the page.
*/
public function replace($title, $text)
{
global $wgMaxMsgCacheEntrySize;
wfProfileIn(__METHOD__);
if ($this->mDisable) {
wfProfileOut(__METHOD__);
return;
}
list($msg, $code) = $this->figureMessage($title);
$cacheKey = wfMemcKey('messages', $code);
$this->load($code);
$this->lock($cacheKey);
$titleKey = wfMemcKey('messages', 'individual', $title);
if ($text === false) {
# Article was deleted
$this->mCache[$code][$title] = '!NONEXISTENT';
$this->mMemc->delete($titleKey);
} elseif (strlen($text) > $wgMaxMsgCacheEntrySize) {
# Check for size
$this->mCache[$code][$title] = '!TOO BIG';
$this->mMemc->set($titleKey, ' ' . $text, $this->mExpiry);
} else {
$this->mCache[$code][$title] = ' ' . $text;
$this->mMemc->delete($titleKey);
}
# Update caches
$this->saveToCaches($this->mCache[$code], true, $code);
$this->unlock($cacheKey);
// Also delete cached sidebar... just in case it is affected
$codes = array($code);
if ($code === 'en') {
// Delete all sidebars, like for example on action=purge on the
// sidebar messages
$codes = array_keys(Language::fetchLanguageNames());
}
global $wgMemc;
foreach ($codes as $code) {
$sidebarKey = wfMemcKey('sidebar', $code);
$wgMemc->delete($sidebarKey);
}
// Update the message in the message blob store
global $wgContLang;
MessageBlobStore::updateMessage($wgContLang->lcfirst($msg));
wfRunHooks('MessageCacheReplace', array($title, $text));
wfProfileOut(__METHOD__);
}
/**
* Updates cache as necessary when message page is changed
*
* @param string|bool $title Name of the page changed (false if deleted)
* @param mixed $text New contents of the page.
*/
public function replace($title, $text)
{
global $wgMaxMsgCacheEntrySize, $wgContLang, $wgLanguageCode;
if ($this->mDisable) {
return;
}
list($msg, $code) = $this->figureMessage($title);
if (strpos($title, '/') !== false && $code === $wgLanguageCode) {
// Content language overrides do not use the /<code> suffix
return;
}
// Note that if the cache is volatile, load() may trigger a DB fetch.
// In that case we reenter/reuse the existing cache key lock to avoid
// a self-deadlock. This is safe as no reads happen *directly* in this
// method between getReentrantScopedLock() and load() below. There is
// no risk of data "changing under our feet" for replace().
$cacheKey = wfMemcKey('messages', $code);
$scopedLock = $this->getReentrantScopedLock($cacheKey);
$this->load($code, self::FOR_UPDATE);
$titleKey = wfMemcKey('messages', 'individual', $title);
if ($text === false) {
// Article was deleted
$this->mCache[$code][$title] = '!NONEXISTENT';
$this->wanCache->delete($titleKey);
} elseif (strlen($text) > $wgMaxMsgCacheEntrySize) {
// Check for size
$this->mCache[$code][$title] = '!TOO BIG';
$this->wanCache->set($titleKey, ' ' . $text, $this->mExpiry);
} else {
$this->mCache[$code][$title] = ' ' . $text;
$this->wanCache->delete($titleKey);
}
// Mark this cache as definitely "latest" (non-volatile) so
// load() calls do try to refresh the cache with slave data
$this->mCache[$code]['LATEST'] = time();
// Update caches if the lock was acquired
if ($scopedLock) {
$this->saveToCaches($this->mCache[$code], 'all', $code);
}
ScopedCallback::consume($scopedLock);
// Relay the purge to APC and other DCs
$this->wanCache->touchCheckKey(wfMemcKey('messages', $code));
// Also delete cached sidebar... just in case it is affected
$codes = array($code);
if ($code === 'en') {
// Delete all sidebars, like for example on action=purge on the
// sidebar messages
$codes = array_keys(Language::fetchLanguageNames());
}
foreach ($codes as $code) {
$sidebarKey = wfMemcKey('sidebar', $code);
$this->wanCache->delete($sidebarKey, 5);
}
// Update the message in the message blob store
$blobStore = new MessageBlobStore();
$blobStore->updateMessage($wgContLang->lcfirst($msg));
Hooks::run('MessageCacheReplace', array($title, $text));
}
/**
* Updates cache as necessary when message page is changed
*
* @param string $title Name of the page changed.
* @param mixed $text New contents of the page.
*/
public function replace($title, $text)
{
global $wgMaxMsgCacheEntrySize, $wgContLang, $wgLanguageCode;
if ($this->mDisable) {
return;
}
list($msg, $code) = $this->figureMessage($title);
if (strpos($title, '/') !== false && $code === $wgLanguageCode) {
# Content language overrides do not use the /<code> suffix
return;
}
$cacheKey = wfMemcKey('messages', $code);
$this->lock($cacheKey);
$this->load($code, self::FOR_UPDATE);
$titleKey = wfMemcKey('messages', 'individual', $title);
if ($text === false) {
# Article was deleted
$this->mCache[$code][$title] = '!NONEXISTENT';
$this->mMemc->delete($titleKey);
} elseif (strlen($text) > $wgMaxMsgCacheEntrySize) {
# Check for size
$this->mCache[$code][$title] = '!TOO BIG';
$this->mMemc->set($titleKey, ' ' . $text, $this->mExpiry);
} else {
$this->mCache[$code][$title] = ' ' . $text;
$this->mMemc->delete($titleKey);
}
# Update caches
$this->saveToCaches($this->mCache[$code], 'all', $code);
$this->unlock($cacheKey);
$this->wanCache->touchCheckKey(wfMemcKey('messages', $code));
// Also delete cached sidebar... just in case it is affected
$codes = array($code);
if ($code === 'en') {
// Delete all sidebars, like for example on action=purge on the
// sidebar messages
$codes = array_keys(Language::fetchLanguageNames());
}
foreach ($codes as $code) {
$sidebarKey = wfMemcKey('sidebar', $code);
$this->wanCache->delete($sidebarKey, 5);
}
// Update the message in the message blob store
$blobStore = new MessageBlobStore();
$blobStore->updateMessage($wgContLang->lcfirst($msg));
Hooks::run('MessageCacheReplace', array($title, $text));
}
