<?php /** @file */
namespace Zotlabs\Lib;
class Queue {
static function update($id, $add_priority = 0) {
logger('queue: requeue item ' . $id,LOGGER_DEBUG);
$x = q("select outq_created, outq_posturl from outq where outq_hash = '%s' limit 1",
dbesc($id)
);
if(! $x)
return;
$y = q("select min(outq_created) as earliest from outq where outq_posturl = '%s'",
dbesc($x[0]['outq_posturl'])
);
// look for the oldest queue entry with this destination URL. If it's older than a couple of days,
// the destination is considered to be down and only scheduled once an hour, regardless of the
// age of the current queue item.
$might_be_down = false;
if($y)
$might_be_down = ((datetime_convert('UTC','UTC',$y[0]['earliest']) < datetime_convert('UTC','UTC','now - 2 days')) ? true : false);
// Set all other records for this destination way into the future.
// The queue delivers by destination. We'll keep one queue item for
// this destination (this one) with a shorter delivery. If we succeed
// once, we'll try to deliver everything for that destination.
// The delivery will be set to at most once per hour, and if the
// queue item is less than 12 hours old, we'll schedule for fifteen
// minutes.
q("UPDATE outq SET outq_scheduled = '%s' WHERE outq_posturl = '%s'",
dbesc(datetime_convert('UTC','UTC','now + 5 days')),
dbesc($x[0]['outq_posturl'])
);
$since = datetime_convert('UTC','UTC',$x[0]['outq_created']);
if(($might_be_down) || ($since < datetime_convert('UTC','UTC','now - 12 hour'))) {
$next = datetime_convert('UTC','UTC','now + 1 hour');
}
else {
$next = datetime_convert('UTC','UTC','now + ' . intval($add_priority) . ' minutes');
}
q("UPDATE outq SET outq_updated = '%s',
outq_priority = outq_priority + %d,
outq_scheduled = '%s'
WHERE outq_hash = '%s'",
dbesc(datetime_convert()),
intval($add_priority),
dbesc($next),
dbesc($id)
);
}
static function remove($id,$channel_id = 0) {
logger('queue: remove queue item ' . $id,LOGGER_DEBUG);
$sql_extra = (($channel_id) ? " and outq_channel = " . intval($channel_id) . " " : '');
q("DELETE FROM outq WHERE outq_hash = '%s' $sql_extra",
dbesc($id)
);
}
static function remove_by_posturl($posturl) {
logger('queue: remove queue posturl ' . $posturl,LOGGER_DEBUG);
q("DELETE FROM outq WHERE outq_posturl = '%s' ",
dbesc($posturl)
);
}
static function set_delivered($id,$channel = 0) {
logger('queue: set delivered ' . $id,LOGGER_DEBUG);
$sql_extra = (($channel['channel_id']) ? " and outq_channel = " . intval($channel['channel_id']) . " " : '');
// Set the next scheduled run date so far in the future that it will be expired
// long before it ever makes it back into the delivery chain.
q("update outq set outq_delivered = 1, outq_updated = '%s', outq_scheduled = '%s' where outq_hash = '%s' $sql_extra ",
dbesc(datetime_convert()),
dbesc(datetime_convert('UTC','UTC','now + 5 days')),
dbesc($id)
);
}
static function insert($arr) {
// do not queue anything with no destination
if(! (array_key_exists('posturl',$arr) && trim($arr['posturl']))) {
return false;
}
$x = q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_priority,
outq_created, outq_updated, outq_scheduled, outq_notify, outq_msg )
values ( '%s', %d, %d, '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s' )",
dbesc($arr['hash']),
intval($arr['account_id']),
intval($arr['channel_id']),
dbesc(($arr['driver']) ? $arr['driver'] : 'zot6'),
dbesc($arr['posturl']),
intval(1),
intval(($arr['priority']) ? $arr['priority'] : 0),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc($arr['notify']),
dbesc(($arr['msg']) ? $arr['msg'] : '')
);
return $x;
}
static function deliver($outq, $immediate = false) {
$base = null;
$h = parse_url($outq['outq_posturl']);
if($h !== false)
$base = $h['scheme'] . '://' . $h['host'] . (($h['port']) ? ':' . $h['port'] : '');
if(($base) && ($base !== z_root()) && ($immediate)) {
$y = q("select site_update, site_dead from site where site_url = '%s' ",
dbesc($base)
);
if($y) {
if(intval($y[0]['site_dead'])) {
self::remove_by_posturl($outq['outq_posturl']);
logger('dead site ignored ' . $base);
return;
}
if($y[0]['site_update'] < datetime_convert('UTC','UTC','now - 1 month')) {
self::update($outq['outq_hash'],10);
logger('immediate delivery deferred for site ' . $base);
return;
}
}
else {
// zot sites should all have a site record, unless they've been dead for as long as
// your site has existed. Since we don't know for sure what these sites are,
// call them unknown
site_store_lowlevel(
[
'site_url' => $base,
'site_update' => datetime_convert(),
'site_dead' => 0,
'site_type' => intval(($outq['outq_driver'] === 'post') ? SITE_TYPE_NOTZOT : SITE_TYPE_UNKNOWN),
'site_crypto' => ''
]
);
}
}
$arr = array('outq' => $outq, 'base' => $base, 'handled' => false, 'immediate' => $immediate);
call_hooks('queue_deliver',$arr);
if($arr['handled'])
return;
// "post" queue driver - used for diaspora and friendica-over-diaspora communications.
if($outq['outq_driver'] === 'post') {
$result = z_post_url($outq['outq_posturl'],$outq['outq_msg']);
if($result['success'] && $result['return_code'] < 300) {
logger('deliver: queue post success to ' . $outq['outq_posturl'], LOGGER_DEBUG);
if($base) {
q("update site set site_update = '%s', site_dead = 0 where site_url = '%s' ",
dbesc(datetime_convert()),
dbesc($base)
);
}
q("update dreport set dreport_result = '%s', dreport_time = '%s' where dreport_queue = '%s'",
dbesc('accepted for delivery'),
dbesc(datetime_convert()),
dbesc($outq['outq_hash'])
);
self::remove($outq['outq_hash']);
// server is responding - see if anything else is going to this destination and is piled up
// and try to send some more. We're relying on the fact that do_delivery() results in an
// immediate delivery otherwise we could get into a queue loop.
if(! $immediate) {
$x = q("select outq_hash from outq where outq_posturl = '%s' and outq_delivered = 0",
dbesc($outq['outq_posturl'])
);
$piled_up = array();
if($x) {
foreach($x as $xx) {
$piled_up[] = $xx['outq_hash'];
}
}
if($piled_up) {
// call do_delivery() with the force flag
do_delivery($piled_up, true);
}
}
}
else {
logger('deliver: queue post returned ' . $result['return_code']
. ' from ' . $outq['outq_posturl'],LOGGER_DEBUG);
self::update($outq['outq_hash'],10);
}
return;
}
// normal zot delivery
logger('deliver: dest: ' . $outq['outq_posturl'], LOGGER_DEBUG);
if($outq['outq_posturl'] === z_root() . '/zot') {
// local delivery
$zot = new \Zotlabs\Zot6\Receiver(new \Zotlabs\Zot6\Zot6Handler(),$outq['outq_notify']);
$result = $zot->run();
logger('returned_json: ' . json_encode($result,JSON_PRETTY_PRINT|JSON_UNESCAPED_SLASHES), LOGGER_DATA);
logger('deliver: local zot delivery succeeded to ' . $outq['outq_posturl']);
Libzot::process_response($outq['outq_posturl'],[ 'success' => true, 'body' => json_encode($result) ], $outq);
}
else {
logger('remote');
$channel = null;
if($outq['outq_channel']) {
$channel = channelx_by_n($outq['outq_channel']);
}
$host_crypto = null;
if($channel && $base) {
$h = q("select hubloc_sitekey, site_crypto from hubloc left join site on hubloc_url = site_url where site_url = '%s' and hubloc_sitekey != '' order by hubloc_id desc limit 1",
dbesc($base)
);
if($h) {
$host_crypto = $h[0];
}
}
$msg = $outq['outq_notify'];
$result = Libzot::zot($outq['outq_posturl'],$msg,$channel,$host_crypto);
if($result['success']) {
logger('deliver: remote zot delivery succeeded to ' . $outq['outq_posturl']);
Libzot::process_response($outq['outq_posturl'],$result, $outq);
}
else {
logger('deliver: remote zot delivery failed to ' . $outq['outq_posturl']);
logger('deliver: remote zot delivery fail data: ' . print_r($result,true), LOGGER_DATA);
self::update($outq['outq_hash'],10);
}
}
return;
}
}
