/**
* Communications protocol...
*
- * @file
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @ingroup Maintenance
*/
-require_once( "Maintenance.php" );
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
class FetchText extends Maintenance {
public function __construct() {
$this->mDescription = "Fetch the revision text from an old_id";
}
- public function execute() {
+ /*
+ * returns a string containing the following in order:
+ * textid
+ * \n
+ * length of text (-1 on error = failure to retrieve/unserialize/gunzip/etc)
+ * \n
+ * text (may be empty)
+ *
+ * note that that the text string itself is *not* followed by newline
+ */
+ public function execute() {
$db = wfGetDB( DB_SLAVE );
$stdin = $this->getStdin();
- while( !feof( $stdin ) ) {
+ while ( !feof( $stdin ) ) {
$line = fgets( $stdin );
- if( $line === false ) {
+ if ( $line === false ) {
// We appear to have lost contact...
break;
}
$textId = intval( $line );
$text = $this->doGetText( $db, $textId );
- $this->output( strlen( $text ) . "\n". $text );
+ if ($text === false) {
+ # actual error, not zero-length text
+ $textLen = "-1";
+ }
+ else {
+ $textLen = strlen($text);
+ }
+ $this->output( $textId . "\n" . $textLen . "\n" . $text );
}
}
-
+
/**
- * May throw a database error if, say, the server dies during query.
+ * May throw a database error if, say, the server dies during query.
* @param $db Database object
* @param $id int The old_id
* @return String
- */
+ */
private function doGetText( $db, $id ) {
$id = intval( $id );
$row = $db->selectRow( 'text',
array( 'old_id' => $id ),
'TextPassDumper::getText' );
$text = Revision::getRevisionText( $row );
- if( $text === false ) {
+ if ( $text === false ) {
return false;
}
return $text;