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-rw-r--r--includes/libs/eventrelayer/EventRelayer.php65
-rw-r--r--includes/libs/eventrelayer/EventRelayerMCRD.php66
2 files changed, 131 insertions, 0 deletions
diff --git a/includes/libs/eventrelayer/EventRelayer.php b/includes/libs/eventrelayer/EventRelayer.php
new file mode 100644
index 00000000..f95ba3f0
--- /dev/null
+++ b/includes/libs/eventrelayer/EventRelayer.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author Aaron Schulz
+ */
+
+/**
+ * Base class for reliable event relays
+ */
+abstract class EventRelayer {
+ /**
+ * @param array $params
+ */
+ public function __construct( array $params ) {
+ }
+
+ /**
+ * @param string $channel
+ * @param array $event Event data map
+ * @return bool Success
+ */
+ final public function notify( $channel, $event ) {
+ return $this->doNotify( $channel, array( $event ) );
+ }
+
+ /**
+ * @param string $channel
+ * @param array $events List of event data maps
+ * @return bool Success
+ */
+ final public function notifyMulti( $channel, $events ) {
+ return $this->doNotify( $channel, $events );
+ }
+
+ /**
+ * @param string $channel
+ * @param array $events List of event data maps
+ * @return bool Success
+ */
+ abstract protected function doNotify( $channel, array $events );
+}
+
+/**
+ * No-op class for publishing messages into a PubSub system
+ */
+class EventRelayerNull extends EventRelayer {
+ public function doNotify( $channel, array $events ) {
+ return true;
+ }
+}
diff --git a/includes/libs/eventrelayer/EventRelayerMCRD.php b/includes/libs/eventrelayer/EventRelayerMCRD.php
new file mode 100644
index 00000000..1e8b2a40
--- /dev/null
+++ b/includes/libs/eventrelayer/EventRelayerMCRD.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author Aaron Schulz
+ */
+
+/**
+ * Relayed that uses the mcrelaypushd server
+ */
+class EventRelayerMCRD extends EventRelayer {
+ /** @var MultiHttpClient */
+ protected $http;
+ /** @var string */
+ protected $baseUrl;
+
+ /**
+ * Additional params include 'mcrdConfig', which is a map of:
+ * - url : The base URL of the service (without paths)
+ * @param array $params
+ */
+ public function __construct( array $params ) {
+ parent::__construct( $params );
+
+ $this->baseUrl = $params['mcrdConfig']['url'];
+
+ $httpConfig = isset( $params['httpConfig'] ) ? $params['httpConfig'] : array();
+ if ( !isset( $httpConfig['connTimeout'] ) ) {
+ $httpConfig['connTimeout'] = 1;
+ }
+ if ( !isset( $httpConfig['reqTimeout'] ) ) {
+ $httpConfig['reqTimeout'] = .25;
+ }
+
+ $this->http = new MultiHttpClient( $httpConfig );
+ }
+
+ protected function doNotify( $channel, array $events ) {
+ if ( !count( $events ) ) {
+ return true;
+ }
+
+ $response = $this->http->run( array(
+ 'url' => "{$this->baseUrl}/relayer/api/v1.0/" . rawurlencode( $channel ),
+ 'method' => 'POST',
+ 'body' => json_encode( array( 'events' => $events ) ),
+ 'headers' => array( 'content-type' => 'application/json' )
+ ) );
+
+ return $response['code'] == 201;
+ }
+}