unset($db_host, $db_user, $db_pass, $db_data);
};
+ $maxsysload = intval(get_config('system','maxloadavg'));
+ if($maxsysload < 1)
+ $maxsysload = 50;
+ if(function_exists('sys_getloadavg')) {
+ $load = sys_getloadavg();
+ if(intval($load[0]) > $maxsysload) {
+ logger('system: load ' . $load[0] . ' too high. poller deferred to next scheduled run.');
+ return;
+ }
+ }
+
if(($argc <= 1) OR ($argv[1] != "no_cron")) {
// Run the cron job that calls all other jobs
proc_run("php","include/cron.php");
sleep(4);
// Checking number of workers
- $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
+ if (poller_too_much_workers())
+ return;
- $queues = intval(get_config("system", "worker_queues"));
+ $starttime = time();
- if ($queues == 0)
- $queues = 4;
+ while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) {
- if ($workers[0]["workers"] >= $queues)
- return;
+ if(function_exists('sys_getloadavg')) {
+ $load = sys_getloadavg();
+ if(intval($load[0]) > $maxsysload) {
+ logger('system: load ' . $load[0] . ' too high. poller deferred to next scheduled run.');
+ return;
+ }
+ }
+
+ // Quit the poller once every hour
+ if (time() > ($starttime + 3600))
+ return;
+
+ if (poller_too_much_workers())
+ return;
- while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) {
q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d",
dbesc(datetime_convert()),
intval(getmypid()),
$argc = count($argv);
- // To-Do: Check for existance
- require_once(basename($argv[0]));
+ // Check for existance and validity of the include file
+ $include = $argv[0];
+
+ if (!validate_include($include)) {
+ logger("Include file ".$argv[0]." is not valid!");
+ q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
+ continue;
+ }
+
+ require_once($include);
$funcname=str_replace(".php", "", basename($argv[0]))."_run";
logger("Process ".getmypid().": ".$funcname." - done");
q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
- }
+ } else
+ logger("Function ".$funcname." does not exist");
+ }
+
+}
+
+function poller_too_much_workers() {
+
+ if(function_exists('sys_getloadavg')) {
+ $load = sys_getloadavg();
+
+ // To-Do
+ if ($load < 1)
+ $queues = 10;
+ elseif ($load < 5)
+ $queues = 4;
+ elseif ($load < 10)
+ $queues = 2;
+ else
+ $queues = 1;
+
+ } else {
+ $queues = intval(get_config("system", "worker_queues"));
+
+ if ($queues == 0)
+ $queues = 4;
}
+ if (poller_active_workers() >= $queues)
+ return;
+}
+
+function poller_active_workers() {
+ $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
+
+ return($workers[0]["workers"]);
}
if (array_search(__file__,get_included_files())===0){