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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 $owners list of owner keys like 'queue:xmpp' or 'site:stat01'
- */
- public function stats($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();
- try {
- $result = $client->post($target, array(), $data);
-
- if (!$result->isOk()) {
- common_log(LOG_ERR, __METHOD__ . ' HTTP ' . $result->getStatus() . ': ' . $result->getBody());
- }
- } catch (NoHttpResponseException $e) {
- common_log(LOG_ERR, __METHOD__ . ':'.$e->getMessage());
- } catch (HTTP_Request2_Exception $e) {
- common_log(LOG_ERR, __CLASS__ . ": Invalid $code redirect from $url to $target");
- }
- }
- protected function prepMonitorData($data)
- {
- #asort($data);
- #$macdata = http_build_query($data, '', '&');
- #$key = 'This is a nice old key';
- #$data['hmac'] = hash_hmac('sha256', $macdata, $key);
- return $data;
- }
- }
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