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Merge branch 'master' into testing

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Brion Vibber 2010-02-17 16:52:13 -08:00
commit 07f145049e
4 changed files with 76 additions and 78 deletions
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11
lib/default.php
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@ -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)
),

21
lib/iomaster.php
View File

@ -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();
}
}
/**
* 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().
*
* Pass class names 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.
*
* Switching site configurations is an acceptable side effect.
*/
abstract function initManagers();

101
lib/stompqueuemanager.php
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@ -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');
}
/**
@ -75,28 +75,6 @@ class StompQueueManager extends QueueManager
return IoManager::INSTANCE_PER_PROCESS;
}
/**
* 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.
@ -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;
}
@ -432,12 +411,43 @@ 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.
*
@ -612,58 +622,53 @@ 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");
}
} 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");
}
}
}
/**
* 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)
{
$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";
$specs = array("$group/$queue/$site",
"$group/$queue");
foreach ($specs as $spec) {
if (in_array($spec, $this->breakout)) {
return $this->base . $spec;
}
throw Exception("Unrecognized queue breakout mode '$breakout' for '$queue'");
}
return $this->base . $group;
}
/**

3
scripts/queuedaemon.php
View File

@ -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()
{