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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch\Maintenance; |
| 4 | |
| 5 | /** |
| 6 | * Splits maintenance scripts into chunks and prints out the commands to run |
| 7 | * the chunks. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 22 | * http://www.gnu.org/copyleft/gpl.html |
| 23 | */ |
| 24 | class ChunkBuilder { |
| 25 | /** |
| 26 | * @param string $self Name of maintenance script |
| 27 | * @param array $options |
| 28 | * @param string|int $buildChunks If specified as a number then chunks no |
| 29 | * larger than that size are spat out. If specified as a number followed |
| 30 | * by the word "total" without a space between them then that many chunks |
| 31 | * will be spat out sized to cover the entire wiki. |
| 32 | * @param int $fromPageId |
| 33 | * @param int $toPageId |
| 34 | */ |
| 35 | public function build( $self, array $options, $buildChunks, $fromPageId, $toPageId ) { |
| 36 | $fixedChunkSize = strpos( $buildChunks, 'total' ) === false; |
| 37 | $buildChunks = intval( $buildChunks ); |
| 38 | if ( $fixedChunkSize ) { |
| 39 | $chunkSize = $buildChunks; |
| 40 | } else { |
| 41 | $chunkSize = max( 1, ceil( ( $toPageId - $fromPageId ) / $buildChunks ) ); |
| 42 | } |
| 43 | for ( $pageId = $fromPageId; $pageId < $toPageId; $pageId += $chunkSize ) { |
| 44 | $chunkToId = min( $toPageId, $pageId + $chunkSize ); |
| 45 | print "php $self"; |
| 46 | foreach ( $options as $optName => $optVal ) { |
| 47 | if ( $optVal === null || $optVal === false || $optName === 'fromId' || |
| 48 | $optName === 'toId' || $optName === 'buildChunks' || |
| 49 | ( $optName === 'memory-limit' && $optVal === 'max' ) |
| 50 | ) { |
| 51 | continue; |
| 52 | } |
| 53 | print " --$optName $optVal"; |
| 54 | } |
| 55 | print " --fromId $pageId --toId $chunkToId\n"; |
| 56 | } |
| 57 | } |
| 58 | } |