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authorEvan Prodromou <evan@status.net>2010-01-12 23:53:52 -0800
committerEvan Prodromou <evan@status.net>2010-01-12 23:53:52 -0800
commit436b8c845ea8fcc84f7f2bff71a7fa700d262a01 (patch)
treee81b78c2022ca0770d71c3c3a7980d02a24a2a51 /lib/queuemonitor.php
parentfb0d837ddc572993f8c6d1db3de2c96d70101841 (diff)
parente34ece8b0630394b606b57b19de58c830fad9c4d (diff)
Merge branch '0.9.x' into inblob
Diffstat (limited to 'lib/queuemonitor.php')
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1 files changed, 116 insertions, 0 deletions
diff --git a/lib/queuemonitor.php b/lib/queuemonitor.php
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+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Monitoring output helper for IoMaster and IoManager/QueueManager
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category QueueManager
+ * @package StatusNet
+ * @author Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+class QueueMonitor
+{
+ protected $monSocket = null;
+
+ /**
+ * Increment monitoring statistics for a given counter, if configured.
+ * Only explicitly listed thread/site/queue owners will be incremented.
+ *
+ * @param string $key counter name
+ * @param array $owners list of owner keys like 'queue:jabber' or 'site:stat01'
+ */
+ public function stats($key, $owners=array())
+ {
+ $this->ping(array('counter' => $key,
+ 'owners' => $owners));
+ }
+
+ /**
+ * Send thread state update to the monitoring server, if configured.
+ *
+ * @param string $thread ID (eg 'generic.1')
+ * @param string $state ('init', 'queue', 'shutdown' etc)
+ * @param string $substate (optional, eg queue name 'omb' 'sms' etc)
+ */
+ public function logState($threadId, $state, $substate='')
+ {
+ $this->ping(array('thread_id' => $threadId,
+ 'state' => $state,
+ 'substate' => $substate,
+ 'ts' => microtime(true)));
+ }
+
+ /**
+ * General call to the monitoring server
+ */
+ protected function ping($data)
+ {
+ $target = common_config('queue', 'monitor');
+ if (empty($target)) {
+ return;
+ }
+
+ $data = $this->prepMonitorData($data);
+
+ if (substr($target, 0, 4) == 'udp:') {
+ $this->pingUdp($target, $data);
+ } else if (substr($target, 0, 5) == 'http:') {
+ $this->pingHttp($target, $data);
+ } else {
+ common_log(LOG_ERR, __METHOD__ . ' unknown monitor target type ' . $target);
+ }
+ }
+
+ protected function pingUdp($target, $data)
+ {
+ if (!$this->monSocket) {
+ $this->monSocket = stream_socket_client($target, $errno, $errstr);
+ }
+ if ($this->monSocket) {
+ $post = http_build_query($data, '', '&');
+ stream_socket_sendto($this->monSocket, $post);
+ } else {
+ common_log(LOG_ERR, __METHOD__ . " UDP logging fail: $errstr");
+ }
+ }
+
+ protected function pingHttp($target, $data)
+ {
+ $client = new HTTPClient();
+ $result = $client->post($target, array(), $data);
+
+ if (!$result->isOk()) {
+ common_log(LOG_ERR, __METHOD__ . ' HTTP ' . $result->getStatus() .
+ ': ' . $result->getBody());
+ }
+ }
+
+ protected function prepMonitorData($data)
+ {
+ #asort($data);
+ #$macdata = http_build_query($data, '', '&');
+ #$key = 'This is a nice old key';
+ #$data['hmac'] = hash_hmac('sha256', $macdata, $key);
+ return $data;
+ }
+
+}