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<?php /** @file */
namespace Zotlabs\Daemon;
require_once('include/queue_fn.php');
require_once('include/zot.php');
class Queue {
static public function run($argc,$argv) {
require_once('include/items.php');
require_once('include/bbcode.php');
if(argc() > 1)
$queue_id = argv(1);
else
$queue_id = 0;
logger('queue: start');
// delete all queue items more than 3 days old
// but first mark these sites dead if we haven't heard from them in a month
$r = q("select outq_posturl from outq where outq_created < %s - INTERVAL %s",
db_utcnow(), db_quoteinterval('3 DAY')
);
if($r) {
foreach($r as $rr) {
$site_url = '';
$h = parse_url($rr['outq_posturl']);
$desturl = $h['scheme'] . '://' . $h['host'] . (($h['port']) ? ':' . $h['port'] : '');
q("update site set site_dead = 1 where site_dead = 0 and site_url = '%s' and site_update < %s - INTERVAL %s",
dbesc($desturl),
db_utcnow(), db_quoteinterval('1 MONTH')
);
}
}
$r = q("DELETE FROM outq WHERE outq_created < %s - INTERVAL %s",
db_utcnow(), db_quoteinterval('3 DAY')
);
if($queue_id) {
$r = q("SELECT * FROM outq WHERE outq_hash = '%s' LIMIT 1",
dbesc($queue_id)
);
}
else {
// For the first 12 hours we'll try to deliver every 15 minutes
// After that, we'll only attempt delivery once per hour.
// This currently only handles the default queue drivers ('zot' or '') which we will group by posturl
// so that we don't start off a thousand deliveries for a couple of dead hubs.
// The zot driver will deliver everything destined for a single hub once contact is made (*if* contact is made).
// Other drivers will have to do something different here and may need their own query.
// Note: this requires some tweaking as new posts to long dead hubs once a day will keep them in the
// "every 15 minutes" category. We probably need to prioritise them when inserted into the queue
// or just prior to this query based on recent and long-term delivery history. If we have good reason to believe
// the site is permanently down, there's no reason to attempt delivery at all, or at most not more than once
// or twice a day.
// FIXME: can we sort postgres on outq_priority and maintain the 'distinct' ?
// The order by max(outq_priority) might be a dodgy query because of the group by.
// The desired result is to return a sequence in the order most likely to be delivered in this run.
// If a hub has already been sitting in the queue for a few days, they should be delivered last;
// hence every failure should drop them further down the priority list.
if(ACTIVE_DBTYPE == DBTYPE_POSTGRES) {
$prefix = 'DISTINCT ON (outq_posturl)';
$suffix = 'ORDER BY outq_posturl';
} else {
$prefix = '';
$suffix = 'GROUP BY outq_posturl ORDER BY max(outq_priority)';
}
$r = q("SELECT $prefix * FROM outq WHERE outq_delivered = 0 and (( outq_created > %s - INTERVAL %s and outq_updated < %s - INTERVAL %s ) OR ( outq_updated < %s - INTERVAL %s )) $suffix",
db_utcnow(), db_quoteinterval('12 HOUR'),
db_utcnow(), db_quoteinterval('15 MINUTE'),
db_utcnow(), db_quoteinterval('1 HOUR')
);
}
if(! $r)
return;
foreach($r as $rr) {
queue_deliver($rr);
}
}
}
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