'RevisionList' => 'includes/RevisionList.php',
'RSSFeed' => 'includes/Feed.php',
'Sanitizer' => 'includes/Sanitizer.php',
+ 'ScopedPHPTimeout' => 'includes/ScopedPHPTimeout.php',
'SiteConfiguration' => 'includes/SiteConfiguration.php',
'SiteStats' => 'includes/SiteStats.php',
'SiteStatsInit' => 'includes/SiteStats.php',
'MySqlLockManager'=> 'includes/filerepo/backend/lockmanager/DBLockManager.php',
'NullLockManager' => 'includes/filerepo/backend/lockmanager/LockManager.php',
'FileOp' => 'includes/filerepo/backend/FileOp.php',
- 'FileOpScopedPHPTimeout' => 'includes/filerepo/backend/FileOp.php',
'StoreFileOp' => 'includes/filerepo/backend/FileOp.php',
'CopyFileOp' => 'includes/filerepo/backend/FileOp.php',
'MoveFileOp' => 'includes/filerepo/backend/FileOp.php',
--- /dev/null
+<?php
+
+/**
+ * Class to expand PHP execution time for a function call.
+ * On construction, set_time_limit() is called and set to $seconds.
+ * When the object goes out of scope, the timer is restarted, with
+ * the original time limit minus the time the object existed.
+ */
+class ScopedPHPTimeout {
+ protected $startTime; // float; seconds
+ protected $oldTimeout; // integer; seconds
+
+ protected static $stackDepth = 0; // integer
+ protected static $totalCalls = 0; // integer
+ protected static $totalElapsed = 0; // float; seconds
+
+ /* Prevent callers in infinite loops from running forever */
+ const MAX_TOTAL_CALLS = 1000000;
+ const MAX_TOTAL_TIME = 300; // seconds
+
+ /**
+ * @param $seconds integer
+ */
+ public function __construct( $seconds ) {
+ if ( ini_get( 'max_execution_time' ) > 0 ) { // CLI uses 0
+ if ( self::$totalCalls >= self::MAX_TOTAL_CALLS ) {
+ trigger_error( "Maximum invocations of " . __CLASS__ . " exceeded." );
+ } elseif ( self::$totalElapsed >= self::MAX_TOTAL_TIME ) {
+ trigger_error( "Time limit within invocations of " . __CLASS__ . " exceeded." );
+ } elseif ( self::$stackDepth > 0 ) { // recursion guard
+ trigger_error( "Resursive invocation of " . __CLASS__ . " attempted." );
+ } else {
+ $this->oldTimeout = ini_set( 'max_execution_time', $seconds );
+ $this->startTime = microtime( true );
+ ++self::$stackDepth;
+ ++self::$totalCalls; // proof against < 1us scopes
+ }
+ }
+ }
+
+ /**
+ * Restore the original timeout.
+ * This does not account for the timer value on __construct().
+ */
+ public function __destruct() {
+ if ( $this->oldTimeout ) {
+ $elapsed = microtime( true ) - $this->startTime;
+ // Note: a limit of 0 is treated as "forever"
+ set_time_limit( max( 1, $this->oldTimeout - (int)$elapsed ) );
+ // If each scoped timeout is for less than one second, we end up
+ // restoring the original timeout without any decrease in value.
+ // Thus web scripts in an infinite loop can run forever unless we
+ // take some measures to prevent this. Track total time and calls.
+ self::$totalElapsed += $elapsed;
+ --self::$stackDepth;
+ }
+ }
+}
$status->setResult( true, $status->value );
}
- // Restart PHP's execution timer and set the timeout to safe amount.
- // This handles cases where the operations take a long time or where we are
- // already running low on time left. The old timeout is restored afterwards.
- # @TODO: re-enable this for when the number of batches is high.
- #$scopedTimeLimit = new FileOpScopedPHPTimeout( self::TIME_LIMIT_SEC );
-
// Attempt each operation...
foreach ( $performOps as $index => $fileOp ) {
if ( $fileOp->failed() ) {
}
}
-/**
- * FileOp helper class to expand PHP execution time for a function.
- * On construction, set_time_limit() is called and set to $seconds.
- * When the object goes out of scope, the timer is restarted, with
- * the original time limit minus the time the object existed.
- */
-class FileOpScopedPHPTimeout {
- protected $startTime; // float; seconds
- protected $oldTimeout; // integer; seconds
-
- protected static $stackDepth = 0; // integer
- protected static $totalCalls = 0; // integer
- protected static $totalElapsed = 0; // float; seconds
-
- /* Prevent callers in infinite loops from running forever */
- const MAX_TOTAL_CALLS = 1000000;
- const MAX_TOTAL_TIME = 300; // seconds
-
- /**
- * @param $seconds integer
- */
- public function __construct( $seconds ) {
- if ( ini_get( 'max_execution_time' ) > 0 ) { // CLI uses 0
- if ( self::$totalCalls >= self::MAX_TOTAL_CALLS ) {
- trigger_error( "Maximum invocations of " . __CLASS__ . " exceeded." );
- } elseif ( self::$totalElapsed >= self::MAX_TOTAL_TIME ) {
- trigger_error( "Time limit within invocations of " . __CLASS__ . " exceeded." );
- } elseif ( self::$stackDepth > 0 ) { // recursion guard
- trigger_error( "Resursive invocation of " . __CLASS__ . " attempted." );
- } else {
- $this->oldTimeout = ini_set( 'max_execution_time', $seconds );
- $this->startTime = microtime( true );
- ++self::$stackDepth;
- ++self::$totalCalls; // proof against < 1us scopes
- }
- }
- }
-
- /**
- * Restore the original timeout.
- * This does not account for the timer value on __construct().
- */
- public function __destruct() {
- if ( $this->oldTimeout ) {
- $elapsed = microtime( true ) - $this->startTime;
- // Note: a limit of 0 is treated as "forever"
- set_time_limit( max( 1, $this->oldTimeout - (int)$elapsed ) );
- // If each scoped timeout is for less than one second, we end up
- // restoring the original timeout without any decrease in value.
- // Thus web scripts in an infinite loop can run forever unless we
- // take some measures to prevent this. Track total time and calls.
- self::$totalElapsed += $elapsed;
- --self::$stackDepth;
- }
- }
-}
-
/**
* Store a file into the backend from a file on the file system.
* Parameters similar to FileBackendStore::storeInternal(), which include: