X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fpoller.php;h=3b348531c5b6ed47806b1fa821189bb7d0262b17;hb=54085508e5a6d7971158771f60845aa293de1d46;hp=b04c77f74446d80ce627fb41786a50b9aae3ed49;hpb=97e74f1570bc16ec1953748ebbcd11d65d6d70b3;p=friendica.git diff --git a/include/poller.php b/include/poller.php index b04c77f744..3b348531c5 100644 --- a/include/poller.php +++ b/include/poller.php @@ -1,7 +1,16 @@ $maxsysload) { - logger('system: load ' . $load . ' too high. Poller deferred to next scheduled run.'); + logger('system: load ' . $load[0] . ' too high. poller deferred to next scheduled run.'); return; } } - $lockpath = get_config('system','lockpath'); - if ($lockpath != '') { - $pidfile = new pidfile($lockpath, 'poller'); - if($pidfile->is_already_running()) { - logger("poller: Already running"); - if ($pidfile->running_time() > 9*60) { - $pidfile->kill(); - logger("poller: killed stale process"); - // Calling a new instance - proc_run('php','include/poller.php'); - } - exit; - } - } - - - - $a->set_baseurl(get_config('system','url')); - - load_hooks(); - - logger('poller: start'); - - // run queue delivery process in the background - - proc_run('php',"include/queue.php"); - - // run diaspora photo queue process in the background - - proc_run('php',"include/dsprphotoq.php"); - - // expire any expired accounts - - q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0 - AND `account_expires_on` != '0000-00-00 00:00:00' - AND `account_expires_on` < UTC_TIMESTAMP() "); + if(($argc <= 1) OR ($argv[1] != "no_cron")) { + // Run the cron job that calls all other jobs + proc_run("php","include/cron.php"); + + // Run the cronhooks job separately from cron for being able to use a different timing + proc_run("php","include/cronhooks.php"); + + // Cleaning dead processes + $r = q("SELECT DISTINCT(`pid`) FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'"); + foreach($r AS $pid) + if (!posix_kill($pid["pid"], 0)) + q("UPDATE `workerqueue` SET `executed` = '0000-00-00 00:00:00', `pid` = 0 WHERE `pid` = %d", + intval($pid["pid"])); + else { + // To-Do: Kill long running processes + // But: Update processes (like the database update) mustn't be killed + } - // delete user and contact records for recently removed accounts + } else { + // Checking the number of workers + if (poller_too_much_workers(1)) + return; - $r = q("SELECT * FROM `user` WHERE `account_removed` = 1 AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY"); - if ($r) { - foreach($r as $user) { - q("DELETE FROM `contact` WHERE `uid` = %d", intval($user['uid'])); - q("DELETE FROM `user` WHERE `uid` = %d", intval($user['uid'])); - } + // Sleep four seconds before checking for running processes again to avoid having too many workers + sleep(4); } - $abandon_days = intval(get_config('system','account_abandon_days')); - if($abandon_days < 1) - $abandon_days = 0; + // Checking number of workers + if (poller_too_much_workers(2)) + return; - // Check OStatus conversations - check_conversations(); + $starttime = time(); - // To-Do: Regenerate usage statistics - // q("ANALYZE TABLE `item`"); + while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) { - // once daily run birthday_updates and then expire in background + q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d AND `executed` = '0000-00-00 00:00:00'", + dbesc(datetime_convert()), + intval(getmypid()), + intval($r[0]["id"])); - $d1 = get_config('system','last_expire_day'); - $d2 = intval(datetime_convert('UTC','UTC','now','d')); + // Assure that there are no tasks executed twice + $id = q("SELECT `id` FROM `workerqueue` WHERE `id` = %d AND `pid` = %d", + intval($r[0]["id"]), + intval(getmypid())); + if (!$id) { + logger("Queue item ".$r[0]["id"]." was executed multiple times - skip this execution", LOGGER_DEBUG); + continue; + } - if($d2 != intval($d1)) { + $argv = json_decode($r[0]["parameter"]); - update_contact_birthdays(); + $argc = count($argv); - update_suggestions(); + // Check for existance and validity of the include file + $include = $argv[0]; - set_config('system','last_expire_day',$d2); - proc_run('php','include/expire.php'); - } + if (!validate_include($include)) { + logger("Include file ".$argv[0]." is not valid!"); + q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"])); + continue; + } - $last = get_config('system','cache_last_cleared'); + require_once($include); - if($last) { - $next = $last + (3600); // Once per hour - $clear_cache = ($next <= time()); - } else - $clear_cache = true; + $funcname=str_replace(".php", "", basename($argv[0]))."_run"; - if ($clear_cache) { - // clear old cache - Cache::clear(); + if (function_exists($funcname)) { + logger("Process ".getmypid().": ".$funcname." ".$r[0]["parameter"]); + $funcname($argv, $argc); - // clear old item cache files - clear_cache(); + logger("Process ".getmypid().": ".$funcname." - done"); - // clear cache for photos - clear_cache($a->get_basepath(), $a->get_basepath()."/photo"); + q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"])); + } else + logger("Function ".$funcname." does not exist"); - // clear smarty cache - clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled"); + // Quit the poller once every hour + if (time() > ($starttime + 3600)) + return; - set_config('system','cache_last_cleared', time()); + // Count active workers and compare them with a maximum value that depends on the load + if (poller_too_much_workers(3)) + return; } - $manual_id = 0; - $generation = 0; - $hub_update = false; - $force = false; - $restart = false; - - if(($argc > 1) && ($argv[1] == 'force')) - $force = true; +} - if(($argc > 1) && ($argv[1] == 'restart')) { - $restart = true; - $generation = intval($argv[2]); - if(! $generation) - killme(); - } +function poller_too_much_workers($stage) { - if(($argc > 1) && intval($argv[1])) { - $manual_id = intval($argv[1]); - $force = true; - } + $queues = get_config("system", "worker_queues"); - $interval = intval(get_config('system','poll_interval')); - if(! $interval) - $interval = ((get_config('system','delivery_interval') === false) ? 3 : intval(get_config('system','delivery_interval'))); + if ($queues == 0) + $queues = 4; - $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : ""); + $active = poller_active_workers(); - reload_plugins(); - - $d = datetime_convert(); + // Decrease the number of workers at higher load + if(function_exists('sys_getloadavg')) { + $load = max(sys_getloadavg()); - if(! $restart) - proc_run('php','include/cronhooks.php'); + $maxsysload = intval(get_config('system','maxloadavg')); + if($maxsysload < 1) + $maxsysload = 50; - // Only poll from those with suitable relationships, - // and which have a polling address and ignore Diaspora since - // we are unable to match those posts with a Diaspora GUID and prevent duplicates. + $maxworkers = $queues; - $abandon_sql = (($abandon_days) - ? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days)) - : '' - ); + // Some magical mathemathics to reduce the workers + $exponent = 3; + $slope = $maxworkers / pow($maxsysload, $exponent); + $queues = ceil($slope * pow(max(0, $maxsysload - $load), $exponent)); - $contacts = q("SELECT `contact`.`id` FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid` - WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != '' - AND NOT `network` IN ( '%s', '%s', '%s' ) - $sql_extra - AND `self` = 0 AND `contact`.`blocked` = 0 AND `contact`.`readonly` = 0 - AND `contact`.`archive` = 0 - AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 $abandon_sql ORDER BY RAND()", - intval(CONTACT_IS_SHARING), - intval(CONTACT_IS_FRIEND), - dbesc(NETWORK_DIASPORA), - dbesc(NETWORK_FACEBOOK), - dbesc(NETWORK_PUMPIO) - ); + logger("Current load stage ".$stage.": ".$load." - maximum: ".$maxsysload." - current queues: ".$active." - maximum: ".$queues, LOGGER_DEBUG); - if(! count($contacts)) { - return; } - foreach($contacts as $c) { - - $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", - intval($c['id']) - ); - - if((! $res) || (! count($res))) - continue; - - foreach($res as $contact) { - - $xml = false; - - if($manual_id) - $contact['last-update'] = '0000-00-00 00:00:00'; - - if($contact['network'] === NETWORK_DFRN) - $contact['priority'] = 2; - - if(!get_config('system','ostatus_use_priority') and ($contact['network'] === NETWORK_OSTATUS)) - $contact['priority'] = 2; - - if($contact['priority'] || $contact['subhub']) { - - $hub_update = true; - $update = false; - - $t = $contact['last-update']; - - // We should be getting everything via a hub. But just to be sure, let's check once a day. - // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately) - // This also lets us update our subscription to the hub, and add or replace hubs in case it - // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'. - - - if($contact['subhub']) { - $poll_interval = get_config('system','pushpoll_frequency'); - $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3); - $hub_update = false; - - if((datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) || $force) - $hub_update = true; - } - else - $hub_update = false; - - /** - * Based on $contact['priority'], should we poll this site now? Or later? - */ - - switch ($contact['priority']) { - case 5: - if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month")) - $update = true; - break; - case 4: - if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week")) - $update = true; - break; - case 3: - if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) - $update = true; - break; - case 2: - if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour")) - $update = true; - break; - case 1: - default: - if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour")) - $update = true; - break; - } - if((! $update) && (! $force)) - continue; - } + return($active >= $queues); +} - proc_run('php','include/onepoll.php',$contact['id']); - if($interval) - @time_sleep_until(microtime(true) + (float) $interval); - } - } +function poller_active_workers() { + $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'"); - return; + return($workers[0]["workers"]); } if (array_search(__file__,get_included_files())===0){ - poller_run($argv,$argc); + poller_run($_SERVER["argv"],$_SERVER["argc"]); killme(); } +?>