/**
* Store a data item to an external store, identified by a partial URL
* The protocol part is used to identify the class, the rest is passed to the
* class itself as a parameter.
* Returns the URL of the stored data item, or false on error
*/
static function insert($url, $data)
{
list($proto, $params) = explode('://', $url, 2);
$store =& ExternalStore::getStoreObject($proto);
if ($store === false) {
return false;
} else {
return $store->store($params, $data);
}
}
public function execute()
{
$dbr = wfGetDB(DB_SLAVE);
$row = $dbr->selectRow(array('text', 'revision'), array('old_flags', 'old_text'), array('old_id=rev_text_id', 'rev_id' => $this->getArg()));
if (!$row) {
$this->error("Row not found", true);
}
$flags = explode(',', $row->old_flags);
$text = $row->old_text;
if (in_array('external', $flags)) {
$this->output("External {$text}\n");
if (preg_match('!^DB://(\\w+)/(\\w+)/(\\w+)$!', $text, $m)) {
$es = ExternalStore::getStoreObject('DB');
$blob = $es->fetchBlob($m[1], $m[2], $m[3]);
if (strtolower(get_class($blob)) == 'concatenatedgziphistoryblob') {
$this->output("Found external CGZ\n");
$blob->uncompress();
$this->output("Items: (" . implode(', ', array_keys($blob->mItems)) . ")\n");
$text = $blob->getItem($m[3]);
} else {
$this->output("CGZ expected at {$text}, got " . gettype($blob) . "\n");
$text = $blob;
}
} else {
$this->output("External plain {$text}\n");
$text = ExternalStore::fetchFromURL($text);
}
}
if (in_array('gzip', $flags)) {
$text = gzinflate($text);
}
if (in_array('object', $flags)) {
$obj = unserialize($text);
$text = $obj->getText();
}
if (is_object($text)) {
$this->error("Unexpectedly got object of type: " . get_class($text));
} else {
$this->output("Text length: " . strlen($text) . "\n");
$this->output(substr($text, 0, 100) . "\n");
}
}
* @ingroup Maintenance ExternalStorage
*/
require_once dirname(__FILE__) . '/../commandLine.inc';
$wgDebugLogFile = '/dev/stdout';
$dbr = wfGetDB(DB_SLAVE);
$row = $dbr->selectRow(array('text', 'revision'), array('old_flags', 'old_text'), array('old_id=rev_text_id', 'rev_id' => $args[0]));
if (!$row) {
print "Row not found\n";
exit;
}
$flags = explode(',', $row->old_flags);
$text = $row->old_text;
if (in_array('external', $flags)) {
print "External {$text}\n";
if (preg_match('!^DB://(\\w+)/(\\w+)/(\\w+)$!', $text, $m)) {
$es = ExternalStore::getStoreObject('DB');
$blob = $es->fetchBlob($m[1], $m[2], $m[3]);
if (strtolower(get_class($blob)) == 'concatenatedgziphistoryblob') {
print "Found external CGZ\n";
$blob->uncompress();
print "Items: (" . implode(', ', array_keys($blob->mItems)) . ")\n";
$text = $blob->getItem($m[3]);
} else {
print "CGZ expected at {$text}, got " . gettype($blob) . "\n";
$text = $blob;
}
} else {
print "External plain {$text}\n";
$text = ExternalStore::fetchFromURL($text);
}
}
/**
* Gets master database connections for all of the ExternalStoreDB
* stores configured in $wgDefaultExternalStore.
*
* @return Database[] Array of Database master connections
*/
protected static function getExternalStoreDatabaseConnections()
{
global $wgDefaultExternalStore;
/** @var ExternalStoreDB $externalStoreDB */
$externalStoreDB = ExternalStore::getStoreObject('DB');
$defaultArray = (array) $wgDefaultExternalStore;
$dbws = [];
foreach ($defaultArray as $url) {
if (strpos($url, 'DB://') === 0) {
list($proto, $cluster) = explode('://', $url, 2);
// Avoid getMaster() because setupDatabaseWithTestPrefix()
// requires Database instead of plain DBConnRef/IDatabase
$lb = $externalStoreDB->getLoadBalancer($cluster);
$dbw = $lb->getConnection(DB_MASTER);
$dbws[] = $dbw;
}
}
return $dbws;
}
/**
* Gets master database connections for all of the ExternalStoreDB
* stores configured in $wgDefaultExternalStore.
*
* @return array Array of DatabaseBase master connections
*/
protected static function getExternalStoreDatabaseConnections()
{
global $wgDefaultExternalStore;
$externalStoreDB = ExternalStore::getStoreObject('DB');
$defaultArray = (array) $wgDefaultExternalStore;
$dbws = [];
foreach ($defaultArray as $url) {
if (strpos($url, 'DB://') === 0) {
list($proto, $cluster) = explode('://', $url, 2);
$dbw = $externalStoreDB->getMaster($cluster);
$dbws[] = $dbw;
}
}
return $dbws;
}
