X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FSquidUpdate.php;h=f69d1f0b2c1430e6a5e2b863830077d53c160537;hb=1dfc87b4cba658d178bcd9bb802bb818fc5acd8f;hp=294fca4e43d3147e94719ff39f909dc9b5967397;hpb=c0dd017fab6857c5d2797818fc4512fabc389e05;p=lhc%2Fweb%2Fwiklou.git
diff --git a/includes/SquidUpdate.php b/includes/SquidUpdate.php
index 294fca4e43..f69d1f0b2c 100644
--- a/includes/SquidUpdate.php
+++ b/includes/SquidUpdate.php
@@ -1,17 +1,18 @@
mMaxTitles = $wgMaxSquidPurgeTitles;
@@ -24,24 +25,24 @@ class SquidUpdate {
$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 );
- $links = $dbr->tableName( 'links' );
- $page = $dbr->tableName( 'page' );
-
- $sql = "SELECT page_namespace,page_title FROM $links,$page WHERE l_to={$id} and l_from=page_id" ;
- $res = $dbr->query( $sql, $fname ) ;
+ $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_from=page_id' ),
+ $fname );
$blurlArr = $title->getSquidURLs();
if ( $dbr->numRows( $res ) <= $this->mMaxTitles ) {
while ( $BL = $dbr->fetchObject ( $res ) )
{
- $tobj = Title::makeTitle( $BL->page_namespace, $BL->page_title ) ;
+ $tobj = Title::makeTitle( $BL->page_namespace, $BL->page_title ) ;
$blurlArr[] = $tobj->getInternalURL();
}
}
@@ -51,34 +52,20 @@ class SquidUpdate {
return new SquidUpdate( $blurlArr );
}
- /* static */ function newFromBrokenLinksTo( &$title ) {
- $fname = 'SquidUpdate::newFromBrokenLinksTo';
- wfProfileIn( $fname );
-
- # Get a list of URLs linking to this (currently non-existent) page
- $dbr =& wfGetDB( DB_SLAVE );
- $brokenlinks = $dbr->tableName( 'brokenlinks' );
- $page = $dbr->tableName( 'page' );
- $encTitle = $dbr->addQuotes( $title->getPrefixedDBkey() );
-
- $sql = "SELECT page_namespace,page_title FROM $brokenlinks,$cur WHERE bl_to={$encTitle} AND bl_from=page_id";
- $res = $dbr->query( $sql, $fname );
- $blurlArr = array();
- if ( $dbr->numRows( $res ) <= $this->mMaxTitles ) {
- while ( $BL = $dbr->fetchObject( $res ) )
- {
- $tobj = Title::makeTitle( $BL->page_namespace, $BL->page_title );
- $blurlArr[] = $tobj->getInternalURL();
- }
+ static function newFromTitles( &$titles, $urlArr = array() ) {
+ global $wgMaxSquidPurgeTitles;
+ if ( count( $titles ) > $wgMaxSquidPurgeTitles ) {
+ $titles = array_slice( $titles, 0, $wgMaxSquidPurgeTitles );
}
- $dbr->freeResult( $res );
- wfProfileOut( $fname );
- return new SquidUpdate( $blurlArr );
+ foreach ( $titles as $title ) {
+ $urlArr[] = $title->getInternalURL();
+ }
+ return new SquidUpdate( $urlArr );
}
- /* static */ function newSimplePurge( &$title ) {
+ static function newSimplePurge( &$title ) {
$urlArr = $title->getSquidURLs();
- return new SquidUpdate( $blurlArr );
+ return new SquidUpdate( $urlArr );
}
function doUpdate() {
@@ -86,24 +73,32 @@ class SquidUpdate {
}
/* Purges a list of Squids defined in $wgSquidServers.
- $urlArr should contain the full URLs to purge as values
+ $urlArr should contain the full URLs to purge as values
(example: $urlArr[] = 'http://my.host/something')
XXX report broken Squids per mail or log */
- /* static */ function purge( $urlArr ) {
- global $wgSquidServers;
+ static function purge( $urlArr ) {
+ global $wgSquidServers, $wgHTCPMulticastAddress, $wgHTCPPort;
+
+ /*if ( (@$wgSquidServers[0]) == 'echo' ) {
+ echo implode("
\n", $urlArr) . "
\n";
+ return;
+ }*/
- if ( $wgSquidServers == 'echo' ) {
- echo implode("
\n", $urlArr);
+ if( empty( $urlArr ) ) {
return;
}
+ if ( $wgHTCPMulticastAddress && $wgHTCPPort ) {
+ return SquidUpdate::HTCPPurge( $urlArr );
+ }
+
$fname = 'SquidUpdate::purge';
wfProfileIn( $fname );
-
+
$maxsocketspersquid = 8; // socket cap per Squid
$urlspersocket = 400; // 400 seems to be a good tradeoff, opening a socket takes a while
- $firsturl = $urlArr[0];
+ $firsturl = SquidUpdate::expand( $urlArr[0] );
unset($urlArr[0]);
$urlArr = array_values($urlArr);
$sockspersq = max(ceil(count($urlArr) / $urlspersocket ),1);
@@ -127,6 +122,7 @@ class SquidUpdate {
@list($server, $port) = explode(':', $wgSquidServers[$ss]);
if(!isset($port)) $port = 80;
#$this->debug("Opening socket to $server:$port");
+ $error = $errstr = false;
$socket = @fsockopen($server, $port, $error, $errstr, 3);
#$this->debug("\n");
if (!$socket) {
@@ -140,7 +136,7 @@ class SquidUpdate {
#$this->debug("...");
$res = @fread($socket,512);
#$this->debug("\n");
- /* Squid only returns http headers with 200 or 404 status,
+ /* Squid only returns http headers with 200 or 404 status,
if there's more returned something's wrong */
if (strlen($res) > 250) {
fclose($socket);
@@ -150,13 +146,14 @@ class SquidUpdate {
@stream_set_blocking($socket,false);
$sockets[] = $socket;
}
- }
+ }
} else {
/* open the remaining sockets for this server */
list($server, $port) = explode(':', $wgSquidServers[$ss]);
if(!isset($port)) $port = 80;
- $sockets[] = @fsockopen($server, $port, $error, $errstr, 2);
- @stream_set_blocking($sockets[$s],false);
+ $socket = @fsockopen($server, $port, $error, $errstr, 2);
+ @stream_set_blocking($socket,false);
+ $sockets[] = $socket;
}
$so++;
}
@@ -176,7 +173,8 @@ class SquidUpdate {
}
}
$urindex = $r + $urlspersocket * ($s - $sockspersq * floor($s / $sockspersq));
- $msg = 'PURGE ' . $urlArr[$urindex] . " HTTP/1.0\r\n".
+ $url = SquidUpdate::expand( $urlArr[$urindex] );
+ $msg = 'PURGE ' . $url . " HTTP/1.0\r\n".
"Connection: Keep-Alive\r\n\r\n";
#$this->debug($msg);
@fputs($sockets[$s],$msg);
@@ -200,11 +198,91 @@ class SquidUpdate {
wfProfileOut( $fname );
}
+ 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)
+ 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 );
+ if ( $conn ) {
+ // Set socket options
+ socket_set_option( $conn, IPPROTO_IP, IP_MULTICAST_LOOP, 0 );
+ if ( $wgHTCPMulticastTTL != 1 )
+ socket_set_option( $conn, IPPROTO_IP, IP_MULTICAST_TTL,
+ $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, 'HEAD', strlen( $url ), $url,
+ 8, 'HTTP/1.0', 0 );
+
+ $htcpDataLen = 8 + 2 + strlen( $htcpSpecifier );
+ $htcpLen = 4 + $htcpDataLen + 2;
+
+ // Note! Squid gets the bit order of the first
+ // word wrong, wrt the RFC. Apparently no other
+ // implementation exists, so adapt to Squid
+ $htcpPacket = pack( 'nxxnCxNxxa*n',
+ $htcpLen, $htcpDataLen, $htcpOpCLR,
+ $htcpTransID, $htcpSpecifier, 2);
+
+ // Send out
+ wfDebug( "Purging URL $url via HTCP\n" );
+ socket_sendto( $conn, $htcpPacket, $htcpLen, 0,
+ $wgHTCPMulticastAddress, $wgHTCPPort );
+ }
+ } else {
+ $errstr = socket_strerror( socket_last_error() );
+ wfDebug( "SquidUpdate::HTCPPurge(): Error opening UDP socket: $errstr\n" );
+ }
+ wfProfileOut( $fname );
+ }
+
function debug( $text ) {
global $wgDebugSquid;
if ( $wgDebugSquid ) {
wfDebug( $text );
}
}
+
+ /**
+ * 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.
+ *
+ * @return string
+ */
+ static function expand( $url ) {
+ global $wgInternalServer;
+ if( $url != '' && $url{0} == '/' ) {
+ return $wgInternalServer . $url;
+ }
+ return $url;
+ }
}
-?>