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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Scribunto\Engines\LuaStandalone; |
| 4 | |
| 5 | use Exception; |
| 6 | use MediaWiki\Extension\Scribunto\Engines\LuaCommon\LuaEngine; |
| 7 | use MediaWiki\Logger\LoggerFactory; |
| 8 | use MediaWiki\Parser\ParserOutput; |
| 9 | |
| 10 | class LuaStandaloneEngine extends LuaEngine { |
| 11 | /** @var int|null */ |
| 12 | protected static $clockTick; |
| 13 | /** @var array|false */ |
| 14 | public $initialStatus; |
| 15 | |
| 16 | /** |
| 17 | * @var LuaStandaloneInterpreter |
| 18 | */ |
| 19 | protected $interpreter; |
| 20 | |
| 21 | public function load() { |
| 22 | parent::load(); |
| 23 | if ( php_uname( 's' ) === 'Linux' ) { |
| 24 | $this->initialStatus = $this->interpreter->getStatus(); |
| 25 | } else { |
| 26 | $this->initialStatus = false; |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | /** @inheritDoc */ |
| 31 | public function getPerformanceCharacteristics() { |
| 32 | return [ |
| 33 | 'phpCallsRequireSerialization' => true, |
| 34 | ]; |
| 35 | } |
| 36 | |
| 37 | /** @inheritDoc */ |
| 38 | public function reportLimitData( ParserOutput $parserOutput ) { |
| 39 | try { |
| 40 | $this->load(); |
| 41 | } catch ( Exception $e ) { |
| 42 | return; |
| 43 | } |
| 44 | if ( $this->initialStatus ) { |
| 45 | $status = $this->interpreter->getStatus(); |
| 46 | $parserOutput->setLimitReportData( 'scribunto-limitreport-timeusage', |
| 47 | [ |
| 48 | sprintf( "%.3f", $status['time'] / $this->getClockTick() ), |
| 49 | // Strip trailing .0s |
| 50 | rtrim( rtrim( sprintf( "%.3f", $this->options['cpuLimit'] ), '0' ), '.' ) |
| 51 | ] |
| 52 | ); |
| 53 | $parserOutput->setLimitReportData( 'scribunto-limitreport-virtmemusage', |
| 54 | [ |
| 55 | $status['vsize'], |
| 56 | $this->options['memoryLimit'] |
| 57 | ] |
| 58 | ); |
| 59 | $parserOutput->setLimitReportData( 'scribunto-limitreport-estmemusage', |
| 60 | $status['vsize'] - $this->initialStatus['vsize'] |
| 61 | ); |
| 62 | } |
| 63 | $logs = $this->getLogBuffer(); |
| 64 | if ( $logs !== '' ) { |
| 65 | $parserOutput->addModules( [ 'ext.scribunto.logs' ] ); |
| 66 | $parserOutput->setLimitReportData( 'scribunto-limitreport-logs', $logs ); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | /** @inheritDoc */ |
| 71 | public function formatLimitData( $key, &$value, &$report, $isHTML, $localize ) { |
| 72 | switch ( $key ) { |
| 73 | case 'scribunto-limitreport-logs': |
| 74 | if ( $isHTML ) { |
| 75 | $report .= $this->formatHtmlLogs( $value, $localize ); |
| 76 | } |
| 77 | return false; |
| 78 | } |
| 79 | return true; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * @return int |
| 84 | */ |
| 85 | protected function getClockTick() { |
| 86 | if ( self::$clockTick === null ) { |
| 87 | // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged,MediaWiki.Usage.ForbiddenFunctions.shell_exec |
| 88 | self::$clockTick = intval( @shell_exec( 'getconf CLK_TCK' ) ); |
| 89 | if ( !self::$clockTick ) { |
| 90 | self::$clockTick = 100; |
| 91 | } |
| 92 | } |
| 93 | return self::$clockTick; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * @return LuaStandaloneInterpreter |
| 98 | */ |
| 99 | protected function newInterpreter() { |
| 100 | return new LuaStandaloneInterpreter( $this, $this->options + [ |
| 101 | 'logger' => LoggerFactory::getInstance( 'Scribunto' ) |
| 102 | ] ); |
| 103 | } |
| 104 | |
| 105 | /** @inheritDoc */ |
| 106 | public function getSoftwareInfo( array &$software ) { |
| 107 | $ver = LuaStandaloneInterpreter::getLuaVersion( $this->options ); |
| 108 | if ( $ver !== null ) { |
| 109 | if ( substr( $ver, 0, 6 ) === 'LuaJIT' ) { |
| 110 | $software['[http://luajit.org/ LuaJIT]'] = str_replace( 'LuaJIT ', '', $ver ); |
| 111 | } else { |
| 112 | $software['[http://www.lua.org/ Lua]'] = str_replace( 'Lua ', '', $ver ); |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | } |