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<?php
class RedisPubSubFeedEngine implements RCFeedEngine {
/**
* Emit a recent change notification via Redis Pub/Sub
*
* If the feed URI contains a path component, it will be used to generate a
* channel name by stripping the leading slash and replacing any remaining
* slashes with '.'. If no path component is present, the channel is set to
* 'rc'. If the URI contains a query string, its parameters will be parsed
* as RedisConnectionPool options.
*
* @example $wgRCFeeds['redis'] = array(
* 'formatter' => 'JSONRCFeedFormatter',
* 'uri' => "redis://127.0.0.1:6379/rc.$wgDBname",
* );
*
* @since 1.22
*/
public function send( array $feed, $line ) {
$parsed = parse_url( $feed['uri'] );
$server = $parsed['host'];
$options = array( 'serializer' => 'none' );
$channel = 'rc';
if ( isset( $parsed['port'] ) ) {
$server .= ":{$parsed['port']}";
}
if ( isset( $parsed['query'] ) ) {
parse_str( $parsed['query'], $options );
}
if ( isset( $parsed['pass'] ) ) {
$options['password'] = $parsed['pass'];
}
if ( isset( $parsed['path'] ) ) {
$channel = str_replace( '/', '.', ltrim( $parsed['path'], '/' ) );
}
$pool = RedisConnectionPool::singleton( $options );
$conn = $pool->getConnection( $server );
$conn->publish( $channel, $line );
}
}
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