MediaWiki  1.28.0
SyncFileBackend Class Reference

Maintenance script that syncs one file backend to another based on the journal of later. More...

Inheritance diagram for SyncFileBackend:
Collaboration diagram for SyncFileBackend:

Public Member Functions

 __construct ()
 
 execute ()
 
- Public Member Functions inherited from Maintenance
 __construct ()
 Default constructor. More...
 
 checkRequiredExtensions ()
 Verify that the required extensions are installed. More...
 
 cleanupChanneled ()
 Clean up channeled output. More...
 
 clearParamsAndArgs ()
 Clear all params and arguments. More...
 
 execute ()
 Do the actual work. More...
 
 finalSetup ()
 Handle some last-minute setup here. More...
 
 getConfig ()
 
 getDbType ()
 Does the script need different DB access? By default, we give Maintenance scripts normal rights to the DB. More...
 
 getName ()
 Get the script's name. More...
 
 globals ()
 Potentially debug globals. More...
 
 isQuiet ()
 
 loadParamsAndArgs ($self=null, $opts=null, $args=null)
 Process command line arguments $mOptions becomes an array with keys set to the option names $mArgs becomes a zero-based array containing the non-option arguments. More...
 
 loadSettings ()
 Generic setup for most installs. More...
 
 loadWithArgv ($argv)
 Load params and arguments from a given array of command-line arguments. More...
 
 memoryLimit ()
 Normally we disable the memory_limit when running admin scripts. More...
 
 outputChanneled ($msg, $channel=null)
 Message outputter with channeled message support. More...
 
 purgeRedundantText ($delete=true)
 Support function for cleaning up redundant text records. More...
 
 runChild ($maintClass, $classFile=null)
 Run a child maintenance script. More...
 
 setAgentAndTriggers ()
 Set triggers like when to try to run deferred updates. More...
 
 setConfig (Config $config)
 
 setDB (IDatabase $db)
 Sets database object to be returned by getDB(). More...
 
 setup ()
 Do some sanity checking and basic setup. More...
 
 updateSearchIndex ($maxLockTime, $callback, $dbw, $results)
 Perform a search index update with locking. More...
 
 updateSearchIndexForPage ($dbw, $pageId)
 Update the searchindex table for a given pageid. More...
 

Protected Member Functions

 filesAreSame (FileBackend $src, FileBackend $dst, $sPath, $dPath)
 
 replaceNamePaths ($paths, FileBackend $backend)
 Substitute the backend name of storage paths with that of a given one. More...
 
 syncBackends (FileBackend $src, FileBackend $dst, $start, $end, Closure $callback)
 Sync $dst backend to $src backend based on the $src logs given after $start. More...
 
 syncFileBatch (array $paths, FileBackend $src, FileBackend $dst)
 Sync particular files of backend $src to the corresponding $dst backend files. More...
 
- Protected Member Functions inherited from Maintenance
 activateProfiler ()
 Activate the profiler (assuming $wgProfiler is set) More...
 
 addArg ($arg, $description, $required=true)
 Add some args that are needed. More...
 
 addDefaultParams ()
 Add the default parameters to the scripts. More...
 
 addDescription ($text)
 Set the description text. More...
 
 addOption ($name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
 Add a parameter to the script. More...
 
 adjustMemoryLimit ()
 Adjusts PHP's memory limit to better suit our needs, if needed. More...
 
 afterFinalSetup ()
 Execute a callback function at the end of initialisation. More...
 
 beginTransaction (IDatabase $dbw, $fname)
 Begin a transcation on a DB. More...
 
 commitTransaction (IDatabase $dbw, $fname)
 Commit the transcation on a DB handle and wait for replica DBs to catch up. More...
 
 deleteOption ($name)
 Remove an option. More...
 
 error ($err, $die=0)
 Throw an error to the user. More...
 
 getArg ($argId=0, $default=null)
 Get an argument. More...
 
 getDB ($db, $groups=[], $wiki=false)
 Returns a database to be used by current maintenance script. More...
 
 getDir ()
 Get the maintenance directory. More...
 
 getOption ($name, $default=null)
 Get an option, or return the default. More...
 
 getStdin ($len=null)
 Return input from stdin. More...
 
 hasArg ($argId=0)
 Does a given argument exist? More...
 
 hasOption ($name)
 Checks to see if a particular param exists. More...
 
 loadSpecialVars ()
 Handle the special variables that are global to all scripts. More...
 
 maybeHelp ($force=false)
 Maybe show the help. More...
 
 output ($out, $channel=null)
 Throw some output to the user. More...
 
 requireExtension ($name)
 Indicate that the specified extension must be loaded before the script can run. More...
 
 rollbackTransaction (IDatabase $dbw, $fname)
 Rollback the transcation on a DB handle. More...
 
 setBatchSize ($s=0)
 Set the batch size. More...
 
 validateParamsAndArgs ()
 Run some validation checks on the params, etc. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from Maintenance
static posix_isatty ($fd)
 Wrapper for posix_isatty() We default as considering stdin a tty (for nice readline methods) but treating stout as not a tty to avoid color codes. More...
 
static readconsole ($prompt= '> ')
 Prompt the console for input. More...
 
static requireTestsAutoloader ()
 Call this to set up the autoloader to allow classes to be used from the tests directory. More...
 
static setLBFactoryTriggers (LBFactory $LBFactory)
 
static shouldExecute ()
 Should we execute the maintenance script, or just allow it to be included as a standalone class? It checks that the call stack only includes this function and "requires" (meaning was called from the file scope) More...
 
- Public Attributes inherited from Maintenance
resource $fileHandle
 Used when creating separate schema files. More...
 
 $mDbPass
 
array $orderedOptions = []
 Used to read the options in the order they were passed. More...
 
const DB_ADMIN = 2
 
const DB_NONE = 0
 Constants for DB access type. More...
 
const DB_STD = 1
 
const STDIN_ALL = 'all'
 
- Protected Attributes inherited from Maintenance
 $mArgList = []
 
 $mArgs = []
 
int $mBatchSize = null
 Batch size. More...
 
 $mDbUser
 
 $mDescription = ''
 
 $mInputLoaded = false
 
 $mOptions = []
 
 $mParams = []
 
 $mQuiet = false
 
 $mSelf
 
 $mShortParamsMap = []
 

Detailed Description

Maintenance script that syncs one file backend to another based on the journal of later.

Definition at line 32 of file syncFileBackend.php.

Constructor & Destructor Documentation

SyncFileBackend::__construct ( )

Member Function Documentation

SyncFileBackend::filesAreSame ( FileBackend  $src,
FileBackend  $dst,
  $sPath,
  $dPath 
)
protected

Definition at line 295 of file syncFileBackend.php.

References FileBackend\getFileSha1Base36(), and FileBackend\getFileSize().

Referenced by syncFileBatch().

SyncFileBackend::replaceNamePaths (   $paths,
FileBackend  $backend 
)
protected

Substitute the backend name of storage paths with that of a given one.

Parameters
array | string$pathsList of paths or single string path
FileBackend$backend
Returns
array|string

Definition at line 287 of file syncFileBackend.php.

References StringUtils\escapeRegexReplacement(), and FileBackend\getName().

Referenced by syncFileBatch().

SyncFileBackend::syncBackends ( FileBackend  $src,
FileBackend  $dst,
  $start,
  $end,
Closure  $callback 
)
protected

Sync $dst backend to $src backend based on the $src logs given after $start.

Returns the journal entry ID this advanced to and handled (inclusive).

Parameters
FileBackend$src
FileBackend$dst
int$startStarting journal position
int$endStarting journal position
Closure$callbackCallback to update any position file
Returns
int|bool Journal entry ID or false if there are none

Definition at line 152 of file syncFileBackend.php.

References $limit, $status, as, Maintenance\error(), FileBackend\getJournal(), Maintenance\output(), syncFileBatch(), and true.

Referenced by execute().


The documentation for this class was generated from the following file: