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authorZach Copley <zach@status.net>2010-02-18 01:48:41 +0000
committerZach Copley <zach@status.net>2010-02-18 01:48:41 +0000
commit5253a99d7abb27f7b17d6fdbc725498fbedd0aaa (patch)
tree9656596909537c7a80001e95b3c34cabe142f1dd /lib
parent1aeca3947d7c938b9d14334d74f0fecd57a4eaf5 (diff)
parentce6be4f83624d8c39a93d2b54567cc2f33580812 (diff)
Merge branch 'master' of git@gitorious.org:statusnet/mainline
Diffstat (limited to 'lib')
-rw-r--r--lib/default.php11
-rw-r--r--lib/iomaster.php23
-rw-r--r--lib/stompqueuemanager.php119
3 files changed, 76 insertions, 77 deletions
diff --git a/lib/default.php b/lib/default.php
index a74cccae1..c969c3b33 100644
--- a/lib/default.php
+++ b/lib/default.php
@@ -91,10 +91,13 @@ $default =
'spawndelay' => 1, // Wait at least N seconds between (re)spawns of child processes to avoid slamming the queue server with subscription startup
'debug_memory' => false, // true to spit memory usage to log
'inboxes' => true, // true to do inbox distribution & output queueing from in background via 'distrib' queue
- 'breakout' => array('*' => 'shared'), // set global or per-handler queue breakout
- // 'shared': use a shared queue for all sites
- // 'handler': share each/this handler over multiple sites
- // 'site': break out for each/this handler on this site
+ 'breakout' => array(), // List queue specifiers to break out when using Stomp queue.
+ // Default will share all queues for all sites within each group.
+ // Specify as <group>/<queue> or <group>/<queue>/<site>,
+ // using nickname identifier as site.
+ //
+ // 'main/distrib' separate "distrib" queue covering all sites
+ // 'xmpp/xmppout/mysite' separate "xmppout" queue covering just 'mysite'
'max_retries' => 10, // drop messages after N failed attempts to process (Stomp)
'dead_letter_dir' => false, // set to directory to save dropped messages into (Stomp)
),
diff --git a/lib/iomaster.php b/lib/iomaster.php
index 54e2dfe84..d20837ba5 100644
--- a/lib/iomaster.php
+++ b/lib/iomaster.php
@@ -55,27 +55,18 @@ abstract class IoMaster
if ($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;
}
/**