diff options
| -rw-r--r-- | lib/default.php | 11 | ||||
| -rw-r--r-- | lib/iomaster.php | 23 | ||||
| -rw-r--r-- | lib/stompqueuemanager.php | 119 | ||||
| -rwxr-xr-x | scripts/queuedaemon.php | 3 |
4 files changed, 77 insertions, 79 deletions
diff --git a/lib/default.php b/lib/default.php index a9be3438b..37eb6cafa 100644 --- a/lib/default.php +++ b/lib/default.php @@ -91,10 +91,13 @@ $default = 'spawndelay' => 1, // Wait at least N seconds between (re)spawns of child processes to avoid slamming the queue server with subscription startup 'debug_memory' => false, // true to spit memory usage to log 'inboxes' => true, // true to do inbox distribution & output queueing from in background via 'distrib' queue - 'breakout' => array('*' => 'shared'), // set global or per-handler queue breakout - // 'shared': use a shared queue for all sites - // 'handler': share each/this handler over multiple sites - // 'site': break out for each/this handler on this site + 'breakout' => array(), // List queue specifiers to break out when using Stomp queue. + // Default will share all queues for all sites within each group. + // Specify as <group>/<queue> or <group>/<queue>/<site>, + // using nickname identifier as site. + // + // 'main/distrib' separate "distrib" queue covering all sites + // 'xmpp/xmppout/mysite' separate "xmppout" queue covering just 'mysite' 'max_retries' => 10, // drop messages after N failed attempts to process (Stomp) 'dead_letter_dir' => false, // set to directory to save dropped messages into (Stomp) ), diff --git a/lib/iomaster.php b/lib/iomaster.php index 3745a5c7a..7cfb2c9a0 100644 --- a/lib/iomaster.php +++ b/lib/iomaster.php @@ -55,27 +55,18 @@ abstract class IoMaster if ($multiSite !== null) { $this->multiSite = $multiSite; } - if ($this->multiSite) { - $this->sites = StatusNet::findAllSites(); - } else { - $this->sites = array(StatusNet::currentSite()); - } - - if (empty($this->sites)) { - throw new Exception("Empty status_network table, cannot init"); - } - foreach ($this->sites as $site) { - StatusNet::switchSite($site); - $this->initManagers(); - } + $this->initManagers(); } /** - * Initialize IoManagers for the currently configured site - * which are appropriate to this instance. + * Initialize IoManagers which are appropriate to this instance; + * pass class names or instances into $this->instantiate(). + * + * If setup and configuration may vary between sites in multi-site + * mode, it's the subclass's responsibility to set them up here. * - * Pass class names into $this->instantiate() + * Switching site configurations is an acceptable side effect. */ abstract function initManagers(); diff --git a/lib/stompqueuemanager.php b/lib/stompqueuemanager.php index bfeeb23b7..9af8b2f48 100644 --- a/lib/stompqueuemanager.php +++ b/lib/stompqueuemanager.php @@ -63,7 +63,7 @@ class StompQueueManager extends QueueManager $this->password = common_config('queue', 'stomp_password'); $this->base = common_config('queue', 'queue_basename'); $this->control = common_config('queue', 'control_channel'); - $this->subscriptions = array($this->control => $this->control); + $this->breakout = common_config('queue', 'breakout'); } /** @@ -76,28 +76,6 @@ class StompQueueManager extends QueueManager } /** - * Record queue subscriptions we'll need to handle the current site. - */ - public function addSite() - { - $this->sites[] = StatusNet::currentSite(); - - // Set up handlers active for this site... - $this->initialize(); - - foreach ($this->activeGroups as $group) { - if (isset($this->groups[$group])) { - // Actual queues may be broken out or consolidated... - // Subscribe to all the target queues we'll need. - foreach ($this->groups[$group] as $transport => $class) { - $target = $this->queueName($transport); - $this->subscriptions[$target] = $target; - } - } - } - } - - /** * 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 @@ -166,14 +144,15 @@ class StompQueueManager extends QueueManager $con = $this->cons[$idx]; $host = $con->getServer(); - $result = $con->send($this->queueName($queue), $msg, $props); + $target = $this->queueName($queue); + $result = $con->send($target, $msg, $props); if (!$result) { - $this->_log(LOG_ERR, "Error sending $rep to $queue queue on $host"); + $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"); + $this->_log(LOG_DEBUG, "complete remote queueing $rep for $queue on $host $target"); $this->stats('enqueued', $queue); return true; } @@ -432,11 +411,42 @@ class StompQueueManager extends QueueManager protected function doSubscribe(LiberalStomp $con) { $host = $con->getServer(); - foreach ($this->subscriptions as $queue) { - $this->_log(LOG_INFO, "Subscribing to $queue on $host"); - $con->subscribe($queue); + 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. @@ -612,32 +622,26 @@ class StompQueueManager extends QueueManager } /** - * Set us up with queue subscriptions for a new site added at runtime, + * (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) { - if (empty($this->sites)) { - if ($nickname == common_config('site', 'nickname')) { - StatusNet::init(common_config('site', 'server')); - } else { - $this->_log(LOG_INFO, "Ignoring update ping for other site $nickname"); + $sn = Status_network::staticGet($nickname); + if ($sn) { + $this->switchSite($nickname); + if (!in_array($nickname, $this->sites)) { + $this->addSite(); } + $this->stats('siteupdate'); } else { - $sn = Status_network::staticGet($nickname); - if ($sn) { - $this->switchSite($nickname); - if (!in_array($nickname, $this->sites)) { - $this->addSite(); - } - // @fixme update subscriptions, if applicable - $this->stats('siteupdate'); - } else { - $this->_log(LOG_ERR, "Ignoring ping for unrecognized new site $nickname"); - } + $this->_log(LOG_ERR, "Ignoring ping for unrecognized new site $nickname"); } } @@ -646,24 +650,25 @@ class StompQueueManager extends QueueManager * 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) { - $base = common_config('queue', 'queue_basename'); $group = $this->queueGroup($queue); - $breakout = $this->breakoutMode($queue); - if ($breakout == 'shared') { - return $base . "$group"; - } else if ($breakout == 'handler') { - return $base . "$group/$queue"; - } else if ($breakout == 'site') { - $site = StatusNet::currentSite(); - return $base . "$group/$queue/$site"; - } - throw Exception("Unrecognized queue breakout mode '$breakout' for '$queue'"); + $site = StatusNet::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; } /** diff --git a/scripts/queuedaemon.php b/scripts/queuedaemon.php index d372d898f..6dba16f95 100755 --- a/scripts/queuedaemon.php +++ b/scripts/queuedaemon.php @@ -126,8 +126,7 @@ class QueueDaemon extends SpawningDaemon class QueueMaster extends IoMaster { /** - * Initialize IoManagers for the currently configured site - * which are appropriate to this instance. + * Initialize IoManagers which are appropriate to this instance. */ function initManagers() { |