|
|
@@ -1,762 +0,0 @@
|
|
|
-<?php
|
|
|
-/**
|
|
|
- * StatusNet, the distributed open-source microblogging tool
|
|
|
- *
|
|
|
- * Abstract class for queue managers
|
|
|
- *
|
|
|
- * 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 Evan Prodromou <evan@status.net>
|
|
|
- * @author Sarven Capadisli <csarven@status.net>
|
|
|
- * @copyright 2009 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/
|
|
|
- */
|
|
|
-
|
|
|
-require_once 'Stomp.php';
|
|
|
-require_once 'Stomp/Exception.php';
|
|
|
-
|
|
|
-class StompQueueManager extends QueueManager
|
|
|
-{
|
|
|
- protected $servers;
|
|
|
- protected $username;
|
|
|
- protected $password;
|
|
|
- protected $base;
|
|
|
- protected $control;
|
|
|
-
|
|
|
- protected $useTransactions;
|
|
|
- protected $useAcks;
|
|
|
-
|
|
|
- protected $sites = array();
|
|
|
- protected $subscriptions = array();
|
|
|
-
|
|
|
- protected $cons = array(); // all open connections
|
|
|
- protected $disconnect = array();
|
|
|
- protected $transaction = array();
|
|
|
- protected $transactionCount = array();
|
|
|
- protected $defaultIdx = 0;
|
|
|
-
|
|
|
- function __construct()
|
|
|
- {
|
|
|
- parent::__construct();
|
|
|
- $server = common_config('queue', 'stomp_server');
|
|
|
- if (is_array($server)) {
|
|
|
- $this->servers = $server;
|
|
|
- } else {
|
|
|
- $this->servers = array($server);
|
|
|
- }
|
|
|
- $this->username = common_config('queue', 'stomp_username');
|
|
|
- $this->password = common_config('queue', 'stomp_password');
|
|
|
- $this->base = common_config('queue', 'queue_basename');
|
|
|
- $this->control = common_config('queue', 'control_channel');
|
|
|
- $this->breakout = common_config('queue', 'breakout');
|
|
|
- $this->useTransactions = common_config('queue', 'stomp_transactions');
|
|
|
- $this->useAcks = common_config('queue', 'stomp_acks');
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Tell the i/o master we only need a single instance to cover
|
|
|
- * all sites running in this process.
|
|
|
- */
|
|
|
- public static function multiSite()
|
|
|
- {
|
|
|
- return IoManager::INSTANCE_PER_PROCESS;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Optional; ping any running queue handler daemons with a notification
|
|
|
- * such as announcing a new site to handle or requesting clean shutdown.
|
|
|
- * This avoids having to restart all the daemons manually to update configs
|
|
|
- * and such.
|
|
|
- *
|
|
|
- * Currently only relevant for multi-site queue managers such as Stomp.
|
|
|
- *
|
|
|
- * @param string $event event key
|
|
|
- * @param string $param optional parameter to append to key
|
|
|
- * @return boolean success
|
|
|
- */
|
|
|
- public function sendControlSignal($event, $param='')
|
|
|
- {
|
|
|
- $message = $event;
|
|
|
- if ($param != '') {
|
|
|
- $message .= ':' . $param;
|
|
|
- }
|
|
|
- $this->_connect();
|
|
|
- $con = $this->cons[$this->defaultIdx];
|
|
|
- $result = $con->send($this->control,
|
|
|
- $message,
|
|
|
- array ('created' => common_sql_now()));
|
|
|
- if ($result) {
|
|
|
- $this->_log(LOG_INFO, "Sent control ping to queue daemons: $message");
|
|
|
- return true;
|
|
|
- } else {
|
|
|
- $this->_log(LOG_ERR, "Failed sending control ping to queue daemons: $message");
|
|
|
- return false;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Saves an object into the queue item table.
|
|
|
- *
|
|
|
- * @param mixed $object
|
|
|
- * @param string $queue
|
|
|
- * @param string $siteNickname optional override to drop into another site's queue
|
|
|
- *
|
|
|
- * @return boolean true on success
|
|
|
- * @throws StompException on connection or send error
|
|
|
- */
|
|
|
- public function enqueue($object, $queue, $siteNickname=null)
|
|
|
- {
|
|
|
- $this->_connect();
|
|
|
- if (common_config('queue', 'stomp_enqueue_on')) {
|
|
|
- // We're trying to force all writes to a single server.
|
|
|
- // WARNING: this might do odd things if that server connection dies.
|
|
|
- $idx = array_search(common_config('queue', 'stomp_enqueue_on'),
|
|
|
- $this->servers);
|
|
|
- if ($idx === false) {
|
|
|
- common_log(LOG_ERR, 'queue stomp_enqueue_on setting does not match our server list.');
|
|
|
- $idx = $this->defaultIdx;
|
|
|
- }
|
|
|
- } else {
|
|
|
- $idx = $this->defaultIdx;
|
|
|
- }
|
|
|
- return $this->_doEnqueue($object, $queue, $idx, $siteNickname);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Saves a notice object reference into the queue item table
|
|
|
- * on the given connection.
|
|
|
- *
|
|
|
- * @return boolean true on success
|
|
|
- * @throws StompException on connection or send error
|
|
|
- */
|
|
|
- protected function _doEnqueue($object, $queue, $idx, $siteNickname=null)
|
|
|
- {
|
|
|
- $rep = $this->logrep($object);
|
|
|
- $envelope = array('site' => $siteNickname ? $siteNickname : common_config('site', 'nickname'),
|
|
|
- 'handler' => $queue,
|
|
|
- 'payload' => $this->encode($object));
|
|
|
- $msg = base64_encode(serialize($envelope));
|
|
|
-
|
|
|
- $props = array('created' => common_sql_now());
|
|
|
- if ($this->isPersistent($queue)) {
|
|
|
- $props['persistent'] = 'true';
|
|
|
- }
|
|
|
-
|
|
|
- $con = $this->cons[$idx];
|
|
|
- $host = $con->getServer();
|
|
|
- $target = $this->queueName($queue);
|
|
|
- $result = $con->send($target, $msg, $props);
|
|
|
-
|
|
|
- if (!$result) {
|
|
|
- $this->_log(LOG_ERR, "Error sending $rep to $queue queue on $host $target");
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- $this->_log(LOG_DEBUG, "complete remote queueing $rep for $queue on $host $target");
|
|
|
- $this->stats('enqueued', $queue);
|
|
|
- return true;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Determine whether messages to this queue should be marked as persistent.
|
|
|
- * Actual persistent storage depends on the queue server's configuration.
|
|
|
- * @param string $queue
|
|
|
- * @return bool
|
|
|
- */
|
|
|
- protected function isPersistent($queue)
|
|
|
- {
|
|
|
- $mode = common_config('queue', 'stomp_persistent');
|
|
|
- if (is_array($mode)) {
|
|
|
- return in_array($queue, $mode);
|
|
|
- } else {
|
|
|
- return (bool)$mode;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Send any sockets we're listening on to the IO manager
|
|
|
- * to wait for input.
|
|
|
- *
|
|
|
- * @return array of resources
|
|
|
- */
|
|
|
- public function getSockets()
|
|
|
- {
|
|
|
- $sockets = array();
|
|
|
- foreach ($this->cons as $con) {
|
|
|
- if ($con) {
|
|
|
- $sockets[] = $con->getSocket();
|
|
|
- }
|
|
|
- }
|
|
|
- return $sockets;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Get the Stomp connection object associated with the given socket.
|
|
|
- * @param resource $socket
|
|
|
- * @return int index into connections list
|
|
|
- * @throws Exception
|
|
|
- */
|
|
|
- protected function connectionFromSocket($socket)
|
|
|
- {
|
|
|
- foreach ($this->cons as $i => $con) {
|
|
|
- if ($con && $con->getSocket() === $socket) {
|
|
|
- return $i;
|
|
|
- }
|
|
|
- }
|
|
|
- throw new Exception(__CLASS__ . " asked to read from unrecognized socket");
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * We've got input to handle on our socket!
|
|
|
- * Read any waiting Stomp frame(s) and process them.
|
|
|
- *
|
|
|
- * @param resource $socket
|
|
|
- * @return boolean ok on success
|
|
|
- */
|
|
|
- public function handleInput($socket)
|
|
|
- {
|
|
|
- $idx = $this->connectionFromSocket($socket);
|
|
|
- $con = $this->cons[$idx];
|
|
|
- $host = $con->getServer();
|
|
|
- $this->defaultIdx = $idx;
|
|
|
-
|
|
|
- $ok = true;
|
|
|
- try {
|
|
|
- $frames = $con->readFrames();
|
|
|
- } catch (StompException $e) {
|
|
|
- $this->_log(LOG_ERR, "Lost connection to $host: " . $e->getMessage());
|
|
|
- fclose($socket); // ???
|
|
|
- $this->cons[$idx] = null;
|
|
|
- $this->transaction[$idx] = null;
|
|
|
- $this->disconnect[$idx] = time();
|
|
|
- return false;
|
|
|
- }
|
|
|
- foreach ($frames as $frame) {
|
|
|
- $dest = $frame->headers['destination'];
|
|
|
- if ($dest == $this->control) {
|
|
|
- if (!$this->handleControlSignal($frame)) {
|
|
|
- // We got a control event that requests a shutdown;
|
|
|
- // close out and stop handling anything else!
|
|
|
- break;
|
|
|
- }
|
|
|
- } else {
|
|
|
- $ok = $this->handleItem($frame) && $ok;
|
|
|
- }
|
|
|
- $this->ack($idx, $frame);
|
|
|
- $this->commit($idx);
|
|
|
- $this->begin($idx);
|
|
|
- }
|
|
|
- return $ok;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Attempt to reconnect in background if we lost a connection.
|
|
|
- */
|
|
|
- function idle()
|
|
|
- {
|
|
|
- $now = time();
|
|
|
- foreach ($this->cons as $idx => $con) {
|
|
|
- if (empty($con)) {
|
|
|
- $age = $now - $this->disconnect[$idx];
|
|
|
- if ($age >= 60) {
|
|
|
- $this->_reconnect($idx);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- return true;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Initialize our connection and subscribe to all the queues
|
|
|
- * we're going to need to handle... If multiple queue servers
|
|
|
- * are configured for failover, we'll listen to all of them.
|
|
|
- *
|
|
|
- * Side effects: in multi-site mode, may reset site configuration.
|
|
|
- *
|
|
|
- * @param IoMaster $master process/event controller
|
|
|
- * @return bool return false on failure
|
|
|
- */
|
|
|
- public function start($master)
|
|
|
- {
|
|
|
- parent::start($master);
|
|
|
- $this->_connectAll();
|
|
|
-
|
|
|
- foreach ($this->cons as $i => $con) {
|
|
|
- if ($con) {
|
|
|
- $this->doSubscribe($con);
|
|
|
- $this->begin($i);
|
|
|
- }
|
|
|
- }
|
|
|
- return true;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Close out any active connections.
|
|
|
- *
|
|
|
- * @return bool return false on failure
|
|
|
- */
|
|
|
- public function finish()
|
|
|
- {
|
|
|
- // If there are any outstanding delivered messages we haven't processed,
|
|
|
- // free them for another thread to take.
|
|
|
- foreach ($this->cons as $i => $con) {
|
|
|
- if ($con) {
|
|
|
- $this->rollback($i);
|
|
|
- $con->disconnect();
|
|
|
- $this->cons[$i] = null;
|
|
|
- }
|
|
|
- }
|
|
|
- return true;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Lazy open a single connection to Stomp queue server.
|
|
|
- * If multiple servers are configured, we let the Stomp client library
|
|
|
- * worry about finding a working connection among them.
|
|
|
- */
|
|
|
- protected function _connect()
|
|
|
- {
|
|
|
- if (empty($this->cons)) {
|
|
|
- $list = $this->servers;
|
|
|
- if (count($list) > 1) {
|
|
|
- shuffle($list); // Randomize to spread load
|
|
|
- $url = 'failover://(' . implode(',', $list) . ')';
|
|
|
- } else {
|
|
|
- $url = $list[0];
|
|
|
- }
|
|
|
- $con = $this->_doConnect($url);
|
|
|
- $this->cons = array($con);
|
|
|
- $this->transactionCount = array(0);
|
|
|
- $this->transaction = array(null);
|
|
|
- $this->disconnect = array(null);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Lazy open connections to all Stomp servers, if in manual failover
|
|
|
- * mode. This means the queue servers don't speak to each other, so
|
|
|
- * we have to listen to all of them to make sure we get all events.
|
|
|
- */
|
|
|
- protected function _connectAll()
|
|
|
- {
|
|
|
- if (!common_config('queue', 'stomp_manual_failover')) {
|
|
|
- return $this->_connect();
|
|
|
- }
|
|
|
- if (empty($this->cons)) {
|
|
|
- $this->cons = array();
|
|
|
- $this->transactionCount = array();
|
|
|
- $this->transaction = array();
|
|
|
- foreach ($this->servers as $idx => $server) {
|
|
|
- try {
|
|
|
- $this->cons[] = $this->_doConnect($server);
|
|
|
- $this->disconnect[] = null;
|
|
|
- } catch (Exception $e) {
|
|
|
- // s'okay, we'll live
|
|
|
- $this->cons[] = null;
|
|
|
- $this->disconnect[] = time();
|
|
|
- }
|
|
|
- $this->transactionCount[] = 0;
|
|
|
- $this->transaction[] = null;
|
|
|
- }
|
|
|
- if (empty($this->cons)) {
|
|
|
- throw new ServerException("No queue servers reachable...");
|
|
|
- return false;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Attempt to manually reconnect to the Stomp server for the given
|
|
|
- * slot. If successful, set up our subscriptions on it.
|
|
|
- */
|
|
|
- protected function _reconnect($idx)
|
|
|
- {
|
|
|
- try {
|
|
|
- $con = $this->_doConnect($this->servers[$idx]);
|
|
|
- } catch (Exception $e) {
|
|
|
- $this->_log(LOG_ERR, $e->getMessage());
|
|
|
- $con = null;
|
|
|
- }
|
|
|
- if ($con) {
|
|
|
- $this->cons[$idx] = $con;
|
|
|
- $this->disconnect[$idx] = null;
|
|
|
-
|
|
|
- $this->doSubscribe($con);
|
|
|
- $this->begin($idx);
|
|
|
- } else {
|
|
|
- // Try again later...
|
|
|
- $this->disconnect[$idx] = time();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- protected function _doConnect($server)
|
|
|
- {
|
|
|
- $this->_log(LOG_INFO, "Connecting to '$server' as '$this->username'...");
|
|
|
- $con = new LiberalStomp($server);
|
|
|
-
|
|
|
- if ($con->connect($this->username, $this->password)) {
|
|
|
- $this->_log(LOG_INFO, "Connected.");
|
|
|
- } else {
|
|
|
- $this->_log(LOG_ERR, 'Failed to connect to queue server');
|
|
|
- throw new ServerException('Failed to connect to queue server');
|
|
|
- }
|
|
|
-
|
|
|
- return $con;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Set up all our raw queue subscriptions on the given connection
|
|
|
- * @param LiberalStomp $con
|
|
|
- */
|
|
|
- protected function doSubscribe(LiberalStomp $con)
|
|
|
- {
|
|
|
- $host = $con->getServer();
|
|
|
- foreach ($this->subscriptions() as $sub) {
|
|
|
- $this->_log(LOG_INFO, "Subscribing to $sub on $host");
|
|
|
- $con->subscribe($sub);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Grab a full list of stomp-side queue subscriptions.
|
|
|
- * Will include:
|
|
|
- * - control broadcast channel
|
|
|
- * - shared group queues for active groups
|
|
|
- * - per-handler and per-site breakouts from $config['queue']['breakout']
|
|
|
- * that are rooted in the active groups.
|
|
|
- *
|
|
|
- * @return array of strings
|
|
|
- */
|
|
|
- protected function subscriptions()
|
|
|
- {
|
|
|
- $subs = array();
|
|
|
- $subs[] = $this->control;
|
|
|
-
|
|
|
- foreach ($this->activeGroups as $group) {
|
|
|
- $subs[] = $this->base . $group;
|
|
|
- }
|
|
|
-
|
|
|
- foreach ($this->breakout as $spec) {
|
|
|
- $parts = explode('/', $spec);
|
|
|
- if (count($parts) < 2 || count($parts) > 3) {
|
|
|
- common_log(LOG_ERR, "Bad queue breakout specifier $spec");
|
|
|
- }
|
|
|
- if (in_array($parts[0], $this->activeGroups)) {
|
|
|
- $subs[] = $this->base . $spec;
|
|
|
- }
|
|
|
- }
|
|
|
- return array_unique($subs);
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Handle and acknowledge an event that's come in through a queue.
|
|
|
- *
|
|
|
- * If the queue handler reports failure, the message is requeued for later.
|
|
|
- * Missing notices or handler classes will drop the message.
|
|
|
- *
|
|
|
- * Side effects: in multi-site mode, may reset site configuration to
|
|
|
- * match the site that queued the event.
|
|
|
- *
|
|
|
- * @param StompFrame $frame
|
|
|
- * @return bool success
|
|
|
- */
|
|
|
- protected function handleItem($frame)
|
|
|
- {
|
|
|
- $host = $this->cons[$this->defaultIdx]->getServer();
|
|
|
- $message = unserialize(base64_decode($frame->body));
|
|
|
-
|
|
|
- if ($message === false) {
|
|
|
- $this->_log(LOG_ERR, "Can't unserialize frame: {$frame->body}");
|
|
|
- $this->_log(LOG_ERR, "Unserializable frame length: " . strlen($frame->body));
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- $site = $message['site'];
|
|
|
- $queue = $message['handler'];
|
|
|
-
|
|
|
- if ($this->isDeadLetter($frame, $message)) {
|
|
|
- $this->stats('deadletter', $queue);
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- // @fixme detect failing site switches
|
|
|
- $this->switchSite($site);
|
|
|
-
|
|
|
- try {
|
|
|
- $item = $this->decode($message['payload']);
|
|
|
- } catch (Exception $e) {
|
|
|
- $this->_log(LOG_ERR, "Skipping empty or deleted item in queue $queue from $host");
|
|
|
- $this->stats('baditem', $queue);
|
|
|
- return false;
|
|
|
- }
|
|
|
- $info = $this->logrep($item) . " posted at " .
|
|
|
- $frame->headers['created'] . " in queue $queue from $host";
|
|
|
- $this->_log(LOG_DEBUG, "Dequeued $info");
|
|
|
-
|
|
|
- try {
|
|
|
- $handler = $this->getHandler($queue);
|
|
|
- $ok = $handler->handle($item);
|
|
|
- } catch (NoQueueHandlerException $e) {
|
|
|
- $this->_log(LOG_ERR, "Missing handler class; skipping $info");
|
|
|
- $this->stats('badhandler', $queue);
|
|
|
- return false;
|
|
|
- } catch (Exception $e) {
|
|
|
- $this->_log(LOG_ERR, "Exception on queue $queue: " . $e->getMessage());
|
|
|
- $ok = false;
|
|
|
- }
|
|
|
-
|
|
|
- if ($ok) {
|
|
|
- $this->_log(LOG_INFO, "Successfully handled $info");
|
|
|
- $this->stats('handled', $queue);
|
|
|
- } else {
|
|
|
- $this->_log(LOG_WARNING, "Failed handling $info");
|
|
|
- // Requeing moves the item to the end of the line for its next try.
|
|
|
- // @fixme add a manual retry count
|
|
|
- $this->enqueue($item, $queue);
|
|
|
- $this->stats('requeued', $queue);
|
|
|
- }
|
|
|
-
|
|
|
- return $ok;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Check if a redelivered message has been run through enough
|
|
|
- * that we're going to give up on it.
|
|
|
- *
|
|
|
- * @param StompFrame $frame
|
|
|
- * @param array $message unserialized message body
|
|
|
- * @return boolean true if we should discard
|
|
|
- */
|
|
|
- protected function isDeadLetter($frame, $message)
|
|
|
- {
|
|
|
- if (isset($frame->headers['redelivered']) && $frame->headers['redelivered'] == 'true') {
|
|
|
- // Message was redelivered, possibly indicating a previous failure.
|
|
|
- $msgId = $frame->headers['message-id'];
|
|
|
- $site = $message['site'];
|
|
|
- $queue = $message['handler'];
|
|
|
- $msgInfo = "message $msgId for $site in queue $queue";
|
|
|
-
|
|
|
- $deliveries = $this->incDeliveryCount($msgId);
|
|
|
- if ($deliveries > common_config('queue', 'max_retries')) {
|
|
|
- $info = "DEAD-LETTER FILE: Gave up after retry $deliveries on $msgInfo";
|
|
|
-
|
|
|
- $outdir = common_config('queue', 'dead_letter_dir');
|
|
|
- if ($outdir) {
|
|
|
- $filename = $outdir . "/$site-$queue-" . rawurlencode($msgId);
|
|
|
- $info .= ": dumping to $filename";
|
|
|
- file_put_contents($filename, $message['payload']);
|
|
|
- }
|
|
|
-
|
|
|
- common_log(LOG_ERR, $info);
|
|
|
- return true;
|
|
|
- } else {
|
|
|
- common_log(LOG_INFO, "retry $deliveries on $msgInfo");
|
|
|
- }
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Update count of times we've re-encountered this message recently,
|
|
|
- * triggered when we get a message marked as 'redelivered'.
|
|
|
- *
|
|
|
- * Requires a CLI-friendly cache configuration.
|
|
|
- *
|
|
|
- * @param string $msgId message-id header from message
|
|
|
- * @return int number of retries recorded
|
|
|
- */
|
|
|
- function incDeliveryCount($msgId)
|
|
|
- {
|
|
|
- $count = 0;
|
|
|
- $cache = Cache::instance();
|
|
|
- if ($cache) {
|
|
|
- $key = 'statusnet:stomp:message-retries:' . $msgId;
|
|
|
- $count = $cache->increment($key);
|
|
|
- if (!$count) {
|
|
|
- $count = 1;
|
|
|
- $cache->set($key, $count, null, 3600);
|
|
|
- $got = $cache->get($key);
|
|
|
- }
|
|
|
- }
|
|
|
- return $count;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Process a control signal broadcast.
|
|
|
- *
|
|
|
- * @param int $idx connection index
|
|
|
- * @param array $frame Stomp frame
|
|
|
- * @return bool true to continue; false to stop further processing.
|
|
|
- */
|
|
|
- protected function handleControlSignal($idx, $frame)
|
|
|
- {
|
|
|
- $message = trim($frame->body);
|
|
|
- if (strpos($message, ':') !== false) {
|
|
|
- list($event, $param) = explode(':', $message, 2);
|
|
|
- } else {
|
|
|
- $event = $message;
|
|
|
- $param = '';
|
|
|
- }
|
|
|
-
|
|
|
- $shutdown = false;
|
|
|
-
|
|
|
- if ($event == 'shutdown') {
|
|
|
- $this->master->requestShutdown();
|
|
|
- $shutdown = true;
|
|
|
- } else if ($event == 'restart') {
|
|
|
- $this->master->requestRestart();
|
|
|
- $shutdown = true;
|
|
|
- } else if ($event == 'update') {
|
|
|
- $this->updateSiteConfig($param);
|
|
|
- } else {
|
|
|
- $this->_log(LOG_ERR, "Ignoring unrecognized control message: $message");
|
|
|
- }
|
|
|
- return $shutdown;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Switch site, if necessary, and reset current handler assignments
|
|
|
- * @param string $site
|
|
|
- */
|
|
|
- function switchSite($site)
|
|
|
- {
|
|
|
- if ($site != GNUsocial::currentSite()) {
|
|
|
- $this->stats('switch');
|
|
|
- GNUsocial::switchSite($site);
|
|
|
- $this->initialize();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * (Re)load runtime configuration for a given site by nickname,
|
|
|
- * triggered by a broadcast to the 'statusnet-control' topic.
|
|
|
- *
|
|
|
- * Configuration changes in database should update, but config
|
|
|
- * files might not.
|
|
|
- *
|
|
|
- * @param array $frame Stomp frame
|
|
|
- * @return bool true to continue; false to stop further processing.
|
|
|
- */
|
|
|
- protected function updateSiteConfig($nickname)
|
|
|
- {
|
|
|
- $sn = Status_network::getKV('nickname', $nickname);
|
|
|
- if ($sn) {
|
|
|
- $this->switchSite($nickname);
|
|
|
- if (!in_array($nickname, $this->sites)) {
|
|
|
- $this->addSite();
|
|
|
- }
|
|
|
- $this->stats('siteupdate');
|
|
|
- } else {
|
|
|
- $this->_log(LOG_ERR, "Ignoring ping for unrecognized new site $nickname");
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Combines the queue_basename from configuration with the
|
|
|
- * group name for this queue to give eg:
|
|
|
- *
|
|
|
- * /queue/statusnet/main
|
|
|
- * /queue/statusnet/main/distrib
|
|
|
- * /queue/statusnet/xmpp/xmppout/site01
|
|
|
- *
|
|
|
- * @param string $queue
|
|
|
- * @return string
|
|
|
- */
|
|
|
- protected function queueName($queue)
|
|
|
- {
|
|
|
- $group = $this->queueGroup($queue);
|
|
|
- $site = GNUsocial::currentSite();
|
|
|
-
|
|
|
- $specs = array("$group/$queue/$site",
|
|
|
- "$group/$queue");
|
|
|
- foreach ($specs as $spec) {
|
|
|
- if (in_array($spec, $this->breakout)) {
|
|
|
- return $this->base . $spec;
|
|
|
- }
|
|
|
- }
|
|
|
- return $this->base . $group;
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Get the breakout mode for the given queue on the current site.
|
|
|
- *
|
|
|
- * @param string $queue
|
|
|
- * @return string one of 'shared', 'handler', 'site'
|
|
|
- */
|
|
|
- protected function breakoutMode($queue)
|
|
|
- {
|
|
|
- $breakout = common_config('queue', 'breakout');
|
|
|
- if (isset($breakout[$queue])) {
|
|
|
- return $breakout[$queue];
|
|
|
- } else if (isset($breakout['*'])) {
|
|
|
- return $breakout['*'];
|
|
|
- } else {
|
|
|
- return 'shared';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- protected function begin($idx)
|
|
|
- {
|
|
|
- if ($this->useTransactions) {
|
|
|
- if (!empty($this->transaction[$idx])) {
|
|
|
- throw new Exception("Tried to start transaction in the middle of a transaction");
|
|
|
- }
|
|
|
- $this->transactionCount[$idx]++;
|
|
|
- $this->transaction[$idx] = $this->master->id . '-' . $this->transactionCount[$idx] . '-' . time();
|
|
|
- $this->cons[$idx]->begin($this->transaction[$idx]);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- protected function ack($idx, $frame)
|
|
|
- {
|
|
|
- if ($this->useAcks) {
|
|
|
- if ($this->useTransactions) {
|
|
|
- if (empty($this->transaction[$idx])) {
|
|
|
- throw new Exception("Tried to ack but not in a transaction");
|
|
|
- }
|
|
|
- $this->cons[$idx]->ack($frame, $this->transaction[$idx]);
|
|
|
- } else {
|
|
|
- $this->cons[$idx]->ack($frame);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- protected function commit($idx)
|
|
|
- {
|
|
|
- if ($this->useTransactions) {
|
|
|
- if (empty($this->transaction[$idx])) {
|
|
|
- throw new Exception("Tried to commit but not in a transaction");
|
|
|
- }
|
|
|
- $this->cons[$idx]->commit($this->transaction[$idx]);
|
|
|
- $this->transaction[$idx] = null;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- protected function rollback($idx)
|
|
|
- {
|
|
|
- if ($this->useTransactions) {
|
|
|
- if (empty($this->transaction[$idx])) {
|
|
|
- throw new Exception("Tried to rollback but not in a transaction");
|
|
|
- }
|
|
|
- $this->cons[$idx]->commit($this->transaction[$idx]);
|
|
|
- $this->transaction[$idx] = null;
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
