From ec145b73fc91dd54695dd374c8a71a11e233b8c0 Mon Sep 17 00:00:00 2001 From: Brion Vibber Date: Tue, 12 Jan 2010 19:57:15 -0800 Subject: Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work --- scripts/getvaliddaemons.php | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) (limited to 'scripts/getvaliddaemons.php') diff --git a/scripts/getvaliddaemons.php b/scripts/getvaliddaemons.php index 99ad41b37..a332e06b5 100755 --- a/scripts/getvaliddaemons.php +++ b/scripts/getvaliddaemons.php @@ -37,19 +37,10 @@ require_once INSTALLDIR.'/scripts/commandline.inc'; $daemons = array(); -$daemons[] = INSTALLDIR.'/scripts/pluginqueuehandler.php'; -$daemons[] = INSTALLDIR.'/scripts/ombqueuehandler.php'; -$daemons[] = INSTALLDIR.'/scripts/pingqueuehandler.php'; +$daemons[] = INSTALLDIR.'/scripts/queuedaemon.php'; if(common_config('xmpp','enabled')) { $daemons[] = INSTALLDIR.'/scripts/xmppdaemon.php'; - $daemons[] = INSTALLDIR.'/scripts/jabberqueuehandler.php'; - $daemons[] = INSTALLDIR.'/scripts/publicqueuehandler.php'; - $daemons[] = INSTALLDIR.'/scripts/xmppconfirmhandler.php'; -} - -if (common_config('sms', 'enabled')) { - $daemons[] = INSTALLDIR.'/scripts/smsqueuehandler.php'; } if (Event::handle('GetValidDaemons', array(&$daemons))) { -- cgit v1.2.3