CdnCacheUpdate Class Reference

Handles purging the appropriate CDN objects given a list of URLs or Title instances. More...

Inheritance diagram for CdnCacheUpdate:

Collaboration diagram for CdnCacheUpdate:

Public Member Functions
	__construct (array $urlArr)
	doUpdate ()
	Purges the list of URLs passed to the constructor.
	merge (MergeableUpdate $update)
	Merge this update with $update.

Static Public Member Functions
static	newFromTitles ( $titles, $urlArr=[])
	Create an update object from an array of Title objects, or a TitleArray object.
static	purge (array $urlArr)
	Purges a list of CDN nodes defined in $wgCdnServers.

Static Private Member Functions
static	expand ( $url)
	Expand local URLs to fully-qualified URLs using the internal protocol and host defined in $wgInternalServer.
static	getRuleForURL ( $url, $rules)
	Find the HTCP routing rule to use for a given URL.
static	HTCPPurge (array $urlArr)
	Send Hyper Text Caching Protocol (HTCP) CLR requests.

Private Attributes
string[]	$urls = []
	Collection of URLs to purge.

Detailed Description

Handles purging the appropriate CDN objects given a list of URLs or Title instances.

Definition at line 30 of file CdnCacheUpdate.php.

Constructor & Destructor Documentation

__construct()

CdnCacheUpdate::__construct

(

array

$urlArr

)

Parameters

string[]

$urlArr

Collection of URLs to purge

Definition at line 37 of file CdnCacheUpdate.php.

Member Function Documentation

doUpdate()

CdnCacheUpdate::doUpdate

(

)

Purges the list of URLs passed to the constructor.

Implements DeferrableUpdate.

Definition at line 69 of file CdnCacheUpdate.php.

References $wgCdnReboundPurgeDelay, and purge().

expand()

static CdnCacheUpdate::expand (   $url )

staticprivate

Expand local URLs to fully-qualified URLs using the internal protocol and host defined in $wgInternalServer.

Input that's already fully- qualified will be passed through unchanged.

This is used to generate purge URLs that may be either local to the main wiki or include a non-native host, such as images hosted on a second internal server.

Client functions should not need to call this.

Parameters

string

$url

Returns

string

Definition at line 257 of file CdnCacheUpdate.php.

References PROTO_INTERNAL, and wfExpandUrl().

Referenced by HTCPPurge().

getRuleForURL()

static CdnCacheUpdate::getRuleForURL (   $url,   $rules  )

staticprivate

Find the HTCP routing rule to use for a given URL.

Parameters

string	$url	URL to match
array	$rules	Array of rules, see $wgHTCPRouting for format and behavior

Returns

mixed Element of $rules that matched, or false if nothing matched

Definition at line 267 of file CdnCacheUpdate.php.

Referenced by HTCPPurge().

HTCPPurge()

static CdnCacheUpdate::HTCPPurge ( array  $urlArr )

staticprivate

Send Hyper Text Caching Protocol (HTCP) CLR requests.

Exceptions

MWException

Parameters

string[]

$urlArr

Collection of URLs to purge

Definition at line 156 of file CdnCacheUpdate.php.

References $wgHTCPMulticastTTL, $wgHTCPRouting, expand(), getRuleForURL(), UIDGenerator\newSequentialPerNodeIDs(), UIDGenerator\QUICK_VOLATILE, and wfDebugLog().

Referenced by purge().

merge()

CdnCacheUpdate::merge

(

MergeableUpdate

$update

)

Merge this update with $update.

Parameters

MergeableUpdate

$update

Update of the same class type

Implements MergeableUpdate.

Definition at line 41 of file CdnCacheUpdate.php.

newFromTitles()

static CdnCacheUpdate::newFromTitles (   $titles,   $urlArr = []  )

static

Create an update object from an array of Title objects, or a TitleArray object.

Parameters

Traversable | Title[]	$titles
string[]	$urlArr

Returns

CdnCacheUpdate

Definition at line 56 of file CdnCacheUpdate.php.

References $title.

purge()

static CdnCacheUpdate::purge ( array  $urlArr )

static

Purges a list of CDN nodes defined in $wgCdnServers.

$urlArr should contain the full URLs to purge as values (example: $urlArr[] = 'http://my.host/something')

Parameters

string[]

$urlArr

List of full URLs to purge

Definition at line 89 of file CdnCacheUpdate.php.

References $wgCdnServers, $wgHTCPRouting, HTCPPurge(), and wfDebugLog().

Referenced by BenchmarkPurge\benchCdn(), doUpdate(), HTMLCacheUpdateJob\invalidateTitles(), and CdnPurgeJob\run().

Member Data Documentation

$urls

string [] CdnCacheUpdate::$urls = []

private

Collection of URLs to purge.

Definition at line 32 of file CdnCacheUpdate.php.

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

• includes/deferred/CdnCacheUpdate.php