124 lines
3.1 KiB
PHP
124 lines
3.1 KiB
PHP
<?php
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/**
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* @file src/Model/Queue.php
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*/
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namespace Friendica\Model;
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use Friendica\Core\Config;
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use Friendica\Database\DBA;
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use Friendica\Database\DBM;
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use Friendica\Util\DateTimeFormat;
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require_once 'include/dba.php';
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class Queue
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{
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/**
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* @param string $id id
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*/
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public static function updateTime($id)
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{
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logger('queue: requeue item ' . $id);
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$queue = DBA::selectFirst('queue', ['retrial'], ['id' => $id]);
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if (!DBM::is_result($queue)) {
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return;
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}
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$retrial = $queue['retrial'];
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if ($retrial > 14) {
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self::removeItem($id);
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}
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// Calculate the delay until the next trial
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$delay = (($retrial + 3) ** 4) + (rand(1, 30) * ($retrial + 1));
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$next = DateTimeFormat::utc('now + ' . $delay . ' seconds');
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DBA::update('queue', ['last' => DateTimeFormat::utcNow(), 'retrial' => $retrial + 1, 'next' => $next], ['id' => $id]);
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}
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/**
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* @param string $id id
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*/
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public static function removeItem($id)
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{
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logger('queue: remove queue item ' . $id);
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DBA::delete('queue', ['id' => $id]);
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}
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/**
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* @brief Checks if the communication with a given contact had problems recently
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*
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* @param int $cid Contact id
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*
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* @return bool The communication with this contact has currently problems
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*/
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public static function wasDelayed($cid)
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{
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// Are there queue entries that were recently added?
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$r = q("SELECT `id` FROM `queue` WHERE `cid` = %d
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AND `last` > UTC_TIMESTAMP() - INTERVAL 15 MINUTE LIMIT 1",
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intval($cid)
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);
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$was_delayed = DBM::is_result($r);
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// We set "term-date" to a current date if the communication has problems.
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// If the communication works again we reset this value.
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if ($was_delayed) {
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$r = q("SELECT `term-date` FROM `contact` WHERE `id` = %d AND `term-date` <= '1000-01-01' LIMIT 1",
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intval($cid)
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);
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$was_delayed = !DBM::is_result($r);
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}
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return $was_delayed;
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}
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/**
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* @param string $cid cid
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* @param string $network network
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* @param string $msg message
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* @param boolean $batch batch, default false
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*/
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public static function add($cid, $network, $msg, $batch = false, $guid = '')
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{
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$max_queue = Config::get('system', 'max_contact_queue');
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if ($max_queue < 1) {
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$max_queue = 500;
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}
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$batch_queue = Config::get('system', 'max_batch_queue');
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if ($batch_queue < 1) {
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$batch_queue = 1000;
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}
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$r = q("SELECT COUNT(*) AS `total` FROM `queue` INNER JOIN `contact` ON `queue`.`cid` = `contact`.`id`
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WHERE `queue`.`cid` = %d AND `contact`.`self` = 0 ",
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intval($cid)
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);
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if (DBM::is_result($r)) {
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if ($batch && ($r[0]['total'] > $batch_queue)) {
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logger('too many queued items for batch server ' . $cid . ' - discarding message');
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return;
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} elseif ((! $batch) && ($r[0]['total'] > $max_queue)) {
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logger('too many queued items for contact ' . $cid . ' - discarding message');
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return;
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}
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}
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DBA::insert('queue', [
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'cid' => $cid,
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'network' => $network,
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'guid' => $guid,
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'created' => DateTimeFormat::utcNow(),
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'last' => DateTimeFormat::utcNow(),
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'content' => $msg,
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'batch' =>($batch) ? 1 : 0
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]);
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logger('Added item ' . $guid . ' for ' . $cid);
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}
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}
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