<?php
/**
* See deferred.txt
- * @package MediaWiki
+ * @file
+ * @ingroup Cache
*/
/**
- *
- * @package MediaWiki
+ * Handles purging appropriate Squid URLs given a title (or titles)
+ * @ingroup Cache
*/
class SquidUpdate {
var $urlArr, $mMaxTitles;
- function SquidUpdate( $urlArr = Array(), $maxTitles = false ) {
+ function __construct( $urlArr = Array(), $maxTitles = false ) {
global $wgMaxSquidPurgeTitles;
if ( $maxTitles === false ) {
$this->mMaxTitles = $wgMaxSquidPurgeTitles;
$this->urlArr = $urlArr;
}
- /* static */ function newFromLinksTo( &$title ) {
+ static function newFromLinksTo( &$title ) {
$fname = 'SquidUpdate::newFromLinksTo';
wfProfileIn( $fname );
# Get a list of URLs linking to this page
- $id = $title->getArticleID();
-
- $dbr =& wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_SLAVE );
$res = $dbr->select( array( 'links', 'page' ),
array( 'page_namespace', 'page_title' ),
array(
'pl_namespace' => $title->getNamespace(),
- 'pl_title' => $title->getDbKey(),
+ 'pl_title' => $title->getDBkey(),
'pl_from=page_id' ),
$fname );
$blurlArr = $title->getSquidURLs();
return new SquidUpdate( $blurlArr );
}
- /* static */ function newFromTitles( &$titles, $urlArr = array() ) {
+ /**
+ * Create a SquidUpdate from an array of Title objects, or a TitleArray object
+ */
+ static function newFromTitles( $titles, $urlArr = array() ) {
+ global $wgMaxSquidPurgeTitles;
+ $i = 0;
foreach ( $titles as $title ) {
$urlArr[] = $title->getInternalURL();
+ if ( $i++ > $wgMaxSquidPurgeTitles ) {
+ break;
+ }
}
return new SquidUpdate( $urlArr );
}
- /* static */ function newSimplePurge( &$title ) {
+ static function newSimplePurge( &$title ) {
$urlArr = $title->getSquidURLs();
return new SquidUpdate( $urlArr );
}
(example: $urlArr[] = 'http://my.host/something')
XXX report broken Squids per mail or log */
- /* static */ function purge( $urlArr ) {
+ static function purge( $urlArr ) {
global $wgSquidServers, $wgHTCPMulticastAddress, $wgHTCPPort;
- if ( $wgSquidServers == 'echo' ) {
- echo implode("<br />\n", $urlArr);
+ /*if ( (@$wgSquidServers[0]) == 'echo' ) {
+ echo implode("<br />\n", $urlArr) . "<br />\n";
+ return;
+ }*/
+
+ if( empty( $urlArr ) ) {
return;
}
- if ( $wgHTCPMulticastAddress && $wgHTCPPort )
- SquidUpdate::HTCPPurge( $urlArr );
+ if ( $wgHTCPMulticastAddress && $wgHTCPPort ) {
+ return SquidUpdate::HTCPPurge( $urlArr );
+ }
$fname = 'SquidUpdate::purge';
wfProfileIn( $fname );
/* open the remaining sockets for this server */
list($server, $port) = explode(':', $wgSquidServers[$ss]);
if(!isset($port)) $port = 80;
- $sockets[$so+1] = @fsockopen($server, $port, $error, $errstr, 2);
- @stream_set_blocking($sockets[$so+1],false);
+ $socket = @fsockopen($server, $port, $error, $errstr, 2);
+ @stream_set_blocking($socket,false);
+ $sockets[] = $socket;
}
$so++;
}
wfProfileOut( $fname );
}
- /* static */ function HTCPPurge( $urlArr ) {
+ static function HTCPPurge( $urlArr ) {
global $wgHTCPMulticastAddress, $wgHTCPMulticastTTL, $wgHTCPPort;
$fname = 'SquidUpdate::HTCPPurge';
wfProfileIn( $fname );
$htcpOpCLR = 4; // HTCP CLR
// FIXME PHP doesn't support these socket constants (include/linux/in.h)
- define( "IPPROTO_IP", 0 );
- define( "IP_MULTICAST_LOOP", 34 );
- define( "IP_MULTICAST_TTL", 33 );
+ if( !defined( "IPPROTO_IP" ) ) {
+ define( "IPPROTO_IP", 0 );
+ define( "IP_MULTICAST_LOOP", 34 );
+ define( "IP_MULTICAST_TTL", 33 );
+ }
// pfsockopen doesn't work because we need set_sock_opt
$conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
$wgHTCPMulticastTTL );
foreach ( $urlArr as $url ) {
+ if( !is_string( $url ) ) {
+ throw new MWException( 'Bad purge URL' );
+ }
$url = SquidUpdate::expand( $url );
-
+
// Construct a minimal HTCP request diagram
// as per RFC 2756
// Opcode 'CLR', no response desired, no auth
$htcpTransID = rand();
$htcpSpecifier = pack( 'na4na*na8n',
- 4, 'NONE', strlen( $url ), $url,
+ 4, 'HEAD', strlen( $url ), $url,
8, 'HTTP/1.0', 0 );
$htcpDataLen = 8 + 2 + strlen( $htcpSpecifier );
wfDebug( $text );
}
}
-
+
/**
* Expand local URLs to fully-qualified URLs using the internal protocol
* and host defined in $wgInternalServer. Input that's already fully-
return $url;
}
}
-?>