| Current Path : /storage/v11800/affypharma/public_html/wp-content/plugins/w3-total-cache/ |
Linux v11800 5.3.0-1023-aws #25~18.04.1-Ubuntu SMP Fri Jun 5 15:19:18 UTC 2020 aarch64
|
| Current File : /storage/v11800/affypharma/public_html/wp-content/plugins/w3-total-cache/Cache_Memcached_Stats.php |
<?php
namespace W3TC;
/**
* Download extended statistics since module cant do it by itself
*/
class Cache_Memcached_Stats {
public function __construct( $host, $port ) {
$this->host = $host;
$this->port = $port;
}
public function request( $command ) {
$handle = @fsockopen( $this->host, $this->port );
if ( !$handle )
return null;
fwrite( $handle, $command . "\r\n" );
$response = array();
while ( ( !feof( $handle ) ) ) {
$line = fgets( $handle );
$response[] = $line;
if ( $this->end( $line, $command ) )
break;
}
@fclose( $handle );
return $response;
}
private function end( $buffer, $command ) {
// incr or decr also return integer
if ( ( preg_match( '/^(incr|decr)/', $command ) ) ) {
if ( preg_match(
'/^(END|ERROR|SERVER_ERROR|CLIENT_ERROR|NOT_FOUND|[0-9]*)/',
$buffer ) )
return true;
} else {
if ( preg_match( '/^(END|DELETED|OK|ERROR|SERVER_ERROR|CLIENT_ERROR|NOT_FOUND|STORED|RESET|TOUCHED)/', $buffer ) )
return true;
}
return false;
}
public function parse( $lines ) {
$return = array();
foreach ( $lines as $line ) {
$data = explode( ' ', $line );
$return[] = $data;
}
return $return;
}
public function slabs() {
$result = $this->request( 'stats slabs' );
if ( is_null( $result ) )
return null;
$result = $this->parse( $result );
$slabs = array();
foreach ( $result as $line_words ) {
if ( count( $line_words ) < 2 )
continue;
$key = explode( ':', $line_words[1] );
if ( (int)$key[0] > 0 )
$slabs[$key[0]] = '*';
}
return array_keys( $slabs );
}
public function cachedump( $slab_id ) {
$result = $this->request( 'stats cachedump ' . $slab_id . ' 0' );
if ( is_null( $result ) )
return null;
// return pure data to limit memory usage
return $result;
}
}