122 lines
4.0 KiB
PHP
122 lines
4.0 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Monitoring output helper for IoMaster and IoManager/QueueManager
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category QueueManager
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* @package StatusNet
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* @author Brion Vibber <brion@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class QueueMonitor
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{
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protected $monSocket = null;
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/**
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* Increment monitoring statistics for a given counter, if configured.
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* Only explicitly listed thread/site/queue owners will be incremented.
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*
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* @param string $key counter name
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* @param array $owners list of owner keys like 'queue:xmpp' or 'site:stat01'
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*/
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public function stats($key, $owners=array())
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{
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$this->ping(array('counter' => $key,
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'owners' => $owners));
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}
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/**
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* Send thread state update to the monitoring server, if configured.
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*
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* @param string $thread ID (eg 'generic.1')
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* @param string $state ('init', 'queue', 'shutdown' etc)
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* @param string $substate (optional, eg queue name 'omb' 'sms' etc)
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*/
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public function logState($threadId, $state, $substate='')
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{
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$this->ping(array('thread_id' => $threadId,
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'state' => $state,
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'substate' => $substate,
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'ts' => microtime(true)));
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}
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/**
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* General call to the monitoring server
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*/
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protected function ping($data)
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{
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$target = common_config('queue', 'monitor');
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if (empty($target)) {
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return;
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}
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$data = $this->prepMonitorData($data);
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if (substr($target, 0, 4) == 'udp:') {
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$this->pingUdp($target, $data);
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} else if (substr($target, 0, 5) == 'http:') {
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$this->pingHttp($target, $data);
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} else {
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common_log(LOG_ERR, __METHOD__ . ' unknown monitor target type ' . $target);
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}
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}
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protected function pingUdp($target, $data)
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{
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if (!$this->monSocket) {
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$this->monSocket = stream_socket_client($target, $errno, $errstr);
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}
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if ($this->monSocket) {
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$post = http_build_query($data, '', '&');
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stream_socket_sendto($this->monSocket, $post);
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} else {
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common_log(LOG_ERR, __METHOD__ . " UDP logging fail: $errstr");
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}
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}
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protected function pingHttp($target, $data)
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{
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$client = new HTTPClient();
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try {
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$result = $client->post($target, array(), $data);
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if (!$result->isOk()) {
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common_log(LOG_ERR, __METHOD__ . ' HTTP ' . $result->getStatus() . ': ' . $result->getBody());
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}
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} catch (NoHttpResponseException $e) {
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common_log(LOG_ERR, __METHOD__ . ':'.$e->getMessage());
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} catch (HTTP_Request2_Exception $e) {
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common_log(LOG_ERR, __CLASS__ . ": Invalid $code redirect from $url to $target");
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}
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}
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protected function prepMonitorData($data)
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{
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#asort($data);
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#$macdata = http_build_query($data, '', '&');
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#$key = 'This is a nice old key';
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#$data['hmac'] = hash_hmac('sha256', $macdata, $key);
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return $data;
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}
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}
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