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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | * Adds profiler output to the HTTP response. |
| 23 | * |
| 24 | * The least sophisticated profiler output class possible, view source! :) |
| 25 | * |
| 26 | * @ingroup Profiler |
| 27 | * @since 1.25 |
| 28 | */ |
| 29 | class ProfilerOutputText extends ProfilerOutput { |
| 30 | /** @var float Min real time display threshold */ |
| 31 | private $thresholdMs; |
| 32 | |
| 33 | /** @var bool Whether to use visible text or a comment (for HTML responses) */ |
| 34 | private $visible; |
| 35 | |
| 36 | public function __construct( Profiler $collector, array $params ) { |
| 37 | parent::__construct( $collector, $params ); |
| 38 | $this->thresholdMs = $params['thresholdMs'] ?? 1.0; |
| 39 | $this->visible = $params['visible'] ?? false; |
| 40 | } |
| 41 | |
| 42 | public function logsToOutput() { |
| 43 | return true; |
| 44 | } |
| 45 | |
| 46 | public function log( array $stats ) { |
| 47 | $out = ''; |
| 48 | |
| 49 | // Filter out really tiny entries |
| 50 | $min = $this->thresholdMs; |
| 51 | $stats = array_filter( $stats, static function ( $a ) use ( $min ) { |
| 52 | return $a['real'] > $min; |
| 53 | } ); |
| 54 | // Sort descending by time elapsed |
| 55 | usort( $stats, static function ( $a, $b ) { |
| 56 | return $b['real'] <=> $a['real']; |
| 57 | } ); |
| 58 | |
| 59 | array_walk( $stats, |
| 60 | static function ( $item ) use ( &$out ) { |
| 61 | $out .= sprintf( "%6.2f%% %3.3f %6d - %s\n", |
| 62 | $item['%real'], $item['real'], $item['calls'], $item['name'] ); |
| 63 | } |
| 64 | ); |
| 65 | |
| 66 | $contentType = $this->collector->getContentType(); |
| 67 | if ( wfIsCLI() ) { |
| 68 | print $this->formatHtmlComment( $out ) . "\n"; |
| 69 | } elseif ( $contentType === 'text/html' ) { |
| 70 | if ( $this->visible ) { |
| 71 | print '<pre>' . htmlspecialchars( $out ) . '</pre>'; |
| 72 | } else { |
| 73 | print $this->formatHtmlComment( $out ) . "\n"; |
| 74 | } |
| 75 | } elseif ( $contentType === 'text/javascript' || $contentType === 'text/css' ) { |
| 76 | print "\n" . $this->formatBlockComment( $out ) . "\n"; |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | private function formatHtmlComment( string $text ): string { |
| 81 | // Escape any closing "-->" |
| 82 | return "<!--\n" . htmlspecialchars( $text ) . "\n-->"; |
| 83 | } |
| 84 | |
| 85 | private function formatBlockComment( string $text ): string { |
| 86 | // Escape any closing "*/" |
| 87 | $encText = str_replace( '*/', '* /', $text ); |
| 88 | return "/*\n$encText\n*/"; |
| 89 | } |
| 90 | } |