* @ingroup Maintenance
*/
-require_once( __DIR__ . '/Maintenance.php' );
+require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script that syncs one file backend to another based on
$this->addOption( 'posdir', 'Directory to read/record journal positions', false, true );
$this->addOption( 'posdump', 'Just dump current journal position into the position dir.' );
$this->addOption( 'postime', 'For position dumps, get the ID at this time', false, true );
+ $this->addOption( 'backoff', 'Stop at entries younger than this age (sec).', false, true );
$this->addOption( 'verbose', 'Verbose mode', false, false, 'v' );
$this->setBatchSize( 50 );
}
} else {
$startFromPosFile = false;
}
- $end = $this->getOption( 'end', INF );
+
+ if ( $this->hasOption( 'backoff' ) ) {
+ $time = time() - $this->getOption( 'backoff', 0 );
+ $end = (int)$src->getJournal()->getPositionAtTime( $time );
+ } else {
+ $end = $this->getOption( 'end', INF );
+ }
$this->output( "Synchronizing backend '{$dst->getName()}' to '{$src->getName()}'...\n" );
$this->output( "Starting journal position is $start.\n" );
$this->output( "Ending journal position is $end.\n" );
}
+ // Periodically update the position file
+ $callback = function( $pos ) use ( $startFromPosFile, $posFile, $start ) {
+ if ( $startFromPosFile && $pos >= $start ) { // successfully advanced
+ file_put_contents( $posFile, $pos, LOCK_EX );
+ }
+ };
+
// Actually sync the dest backend with the reference backend
- $lastOKPos = $this->syncBackends( $src, $dst, $start, $end );
+ $lastOKPos = $this->syncBackends( $src, $dst, $start, $end, $callback );
// Update the sync position file
if ( $startFromPosFile && $lastOKPos >= $start ) { // successfully advanced
* @param $dst FileBackend
* @param $start integer Starting journal position
* @param $end integer Starting journal position
+ * @param $callback Closure Callback to update any position file
* @return integer|false Journal entry ID or false if there are none
*/
- protected function syncBackends( FileBackend $src, FileBackend $dst, $start, $end ) {
+ protected function syncBackends(
+ FileBackend $src, FileBackend $dst, $start, $end, Closure $callback
+ ) {
$lastOKPos = 0; // failed
$first = true; // first batch
$status = $this->syncFileBatch( array_keys( $pathsInBatch ), $src, $dst );
if ( $status->isOK() ) {
$lastOKPos = max( $lastOKPos, $lastPosInBatch );
+ $callback( $lastOKPos ); // update position file
} else {
$this->error( print_r( $status->getErrorsArray(), true ) );
break; // no gaps; everything up to $lastPos must be OK
}
$maintClass = "SyncFileBackend";
-require_once( RUN_MAINTENANCE_IF_MAIN );
+require_once RUN_MAINTENANCE_IF_MAIN;