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Fix to OStatus delivery to be not so blocking to other tasks

This commit is contained in:
Michael 2018-05-17 22:17:03 +00:00
parent ac67f3c154
commit 5a1e1c1ec9
5 changed files with 52 additions and 39 deletions
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2
boot.php
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@ -41,7 +41,7 @@ define('FRIENDICA_PLATFORM', 'Friendica');
define('FRIENDICA_CODENAME', 'The Tazmans Flax-lily');
define('FRIENDICA_VERSION', '2018.05-rc');
define('DFRN_PROTOCOL_VERSION', '2.23');
define('DB_UPDATE_VERSION', 1262);
define('DB_UPDATE_VERSION', 1263);
define('NEW_UPDATE_ROUTINE_VERSION', 1170);
/**

6
src/Database/DBStructure.php
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@ -1553,12 +1553,14 @@ class DBStructure
"callback_url" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
"topic" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
"nickname" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
"push" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => ""],
"last_update" => ["type" => "datetime", "not null" => "1", "default" => NULL_DATE, "comment" => ""],
"push" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => "Retrial counter"],
"last_update" => ["type" => "datetime", "not null" => "1", "default" => NULL_DATE, "comment" => "Date of last successful trial"],
"next_try" => ["type" => "datetime", "not null" => "1", "default" => NULL_DATE, "comment" => "Next retrial date"],
"secret" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
],
"indexes" => [
"PRIMARY" => ["id"],
"next_try" => ["next_try"],
]
];
$database["queue"] = [

4
src/Worker/Notifier.php
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@ -501,12 +501,12 @@ class Notifier {
// Set push flag for PuSH subscribers to this topic,
// they will be notified in queue.php
$condition = ['push' => false, 'nickname' => $owner['nickname']];
dba::update('push_subscriber', ['push' => true], $condition);
dba::update('push_subscriber', ['push' => true, 'next_try' => NULL_DATE], $condition);
logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
// Handling the pubsubhubbub requests
Worker::add(['priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true],
Worker::add(['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true],
'PubSubPublish');
}

77
src/Worker/PubSubPublish.php
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@ -12,6 +12,7 @@ use Friendica\Core\Worker;
use Friendica\Database\DBM;
use Friendica\Protocol\OStatus;
use Friendica\Util\Network;
use Friendica\Util\DateTimeFormat;
use dba;
require_once 'include/items.php';
@ -21,76 +22,86 @@ class PubSubPublish {
{
global $a;
if ($pubsubpublish_id == 0) {
// We'll push to each subscriber that has push > 0,
// i.e. there has been an update (set in notifier.php).
$r = q("SELECT `id`, `callback_url` FROM `push_subscriber` WHERE `push` > 0 ORDER BY `last_update` DESC");
foreach ($r as $rr) {
logger("Publish feed to ".$rr["callback_url"], LOGGER_DEBUG);
Worker::add(['priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true],
'PubSubPublish', (int)$rr["id"]);
}
if ($pubsubpublish_id != 0) {
self::publish($pubsubpublish_id);
return;
}
self::publish($pubsubpublish_id);
// We'll push to each subscriber that has push > 0,
// i.e. there has been an update (set in notifier.php).
$subscribers = dba::select('push_subscriber', ['id', 'callback_url'], ["`push` > 0 AND `next_try` < UTC_TIMESTAMP()"]);
return;
while ($subscriber = dba::fetch($subscribers)) {
logger("Publish feed to " . $subscriber["callback_url"], LOGGER_DEBUG);
Worker::add(['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true],
'PubSubPublish', (int)$subscriber["id"]);
}
dba::close($subscribers);
}
private static function publish($id) {
global $a;
$r = q("SELECT * FROM `push_subscriber` WHERE `id` = %d", intval($id));
if (!DBM::is_result($r)) {
$subscriber = dba::selectFirst('push_subscriber', [], ['id' => $id]);
if (!DBM::is_result($subscriber)) {
return;
}
$rr = $r[0];
/// @todo Check server status with PortableContact::checkServer()
// Before this can be done we need a way to safely detect the server url.
logger("Generate feed of user ".$rr['nickname']." to ".$rr['callback_url']." - last updated ".$rr['last_update'], LOGGER_DEBUG);
logger("Generate feed of user " . $subscriber['nickname']. " to " . $subscriber['callback_url']. " - last updated " . $subscriber['last_update'], LOGGER_DEBUG);
$last_update = $rr['last_update'];
$params = OStatus::feed($rr['nickname'], $last_update);
$last_update = $subscriber['last_update'];
$params = OStatus::feed($subscriber['nickname'], $last_update);
if (!$params) {
return;
}
$hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
$hmac_sig = hash_hmac("sha1", $params, $subscriber['secret']);
$headers = ["Content-type: application/atom+xml",
sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
System::baseUrl().'/pubsubhubbub/'.$rr['nickname'],
$rr['topic']),
"X-Hub-Signature: sha1=".$hmac_sig];
System::baseUrl() . '/pubsubhubbub/' . $subscriber['nickname'],
$subscriber['topic']),
"X-Hub-Signature: sha1=" . $hmac_sig];
logger('POST '.print_r($headers, true)."\n".$params, LOGGER_DATA);
logger('POST ' . print_r($headers, true) . "\n" . $params, LOGGER_DATA);
Network::post($rr['callback_url'], $params, $headers);
Network::post($subscriber['callback_url'], $params, $headers);
$ret = $a->get_curl_code();
$condition = ['id' => $subscriber['id']];
if ($ret >= 200 && $ret <= 299) {
logger('successfully pushed to '.$rr['callback_url']);
logger('Successfully pushed to ' . $subscriber['callback_url']);
// set last_update to the "created" date of the last item, and reset push=0
$fields = ['push' => 0, 'last_update' => $last_update];
dba::update('push_subscriber', $fields, ['id' => $rr['id']]);
$fields = ['push' => 0, 'next_try' => NULL_DATE, 'last_update' => $last_update];
dba::update('push_subscriber', $fields, $condition);
} else {
logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
logger('Delivery error when pushing to ' . $subscriber['callback_url'] . ' HTTP: ' . $ret);
// we use the push variable also as a counter, if we failed we
// increment this until some upper limit where we give up
$new_push = intval($rr['push']) + 1;
$retrial = $subscriber['push'];
if ($new_push > 30) // OK, let's give up
$new_push = 0;
if ($retrial > 14) {
dba::update('push_subscriber', ['push' => 0, 'next_try' => NULL_DATE], $condition);
logger('Delivery error: Giving up for ' . $subscriber['callback_url'], LOGGER_DEBUG);
} else {
// Calculate the delay until the next trial
$delay = (($retrial + 3) ** 4) + (rand(1, 30) * ($retrial + 1));
$next = DateTimeFormat::utc('now + ' . $delay . ' seconds');
dba::update('push_subscriber', ['push' => $new_push], ['id' => $rr['id']]);
$retrial = $retrial + 1;
dba::update('push_subscriber', ['push' => $retrial, 'next_try' => $next], $condition);
logger('Delivery error: Next try (' . $retrial . ') for ' . $subscriber['callback_url'] . ' at ' . $next, LOGGER_DEBUG);
}
}
}
}

2
src/Worker/Queue.php
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@ -34,7 +34,7 @@ class Queue
logger('filling queue jobs - start');
// Handling the pubsubhubbub requests
Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'PubSubPublish');
Worker::add(['priority' => PRIORITY_LOW, 'dont_fork' => true], 'PubSubPublish');
$r = dba::inArray(dba::p("SELECT `id` FROM `queue` WHERE `next` < UTC_TIMESTAMP() ORDER BY `batch`, `cid`"));