153 lines
3.7 KiB
PHP
153 lines
3.7 KiB
PHP
<?php
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if (!file_exists("boot.php") AND (sizeof($_SERVER["argv"]) != 0)) {
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$directory = dirname($_SERVER["argv"][0]);
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if (substr($directory, 0, 1) != "/")
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$directory = $_SERVER["PWD"]."/".$directory;
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$directory = realpath($directory."/..");
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chdir($directory);
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}
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require_once("boot.php");
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function poller_run(&$argv, &$argc){
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global $a, $db;
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if(is_null($a)) {
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$a = new App;
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}
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if(is_null($db)) {
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@include(".htconfig.php");
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require_once("include/dba.php");
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$db = new dba($db_host, $db_user, $db_pass, $db_data);
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unset($db_host, $db_user, $db_pass, $db_data);
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};
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$maxsysload = intval(get_config('system','maxloadavg'));
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if($maxsysload < 1)
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$maxsysload = 50;
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if(function_exists('sys_getloadavg')) {
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$load = sys_getloadavg();
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if(intval($load[0]) > $maxsysload) {
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logger('system: load ' . $load[0] . ' too high. poller deferred to next scheduled run.');
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return;
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}
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}
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if(($argc <= 1) OR ($argv[1] != "no_cron")) {
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// Run the cron job that calls all other jobs
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proc_run("php","include/cron.php");
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// Run the cronhooks job separately from cron for being able to use a different timing
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proc_run("php","include/cronhooks.php");
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// Cleaning dead processes
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$r = q("SELECT DISTINCT(`pid`) FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
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foreach($r AS $pid)
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if (!posix_kill($pid["pid"], 0))
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q("UPDATE `workerqueue` SET `executed` = '0000-00-00 00:00:00', `pid` = 0 WHERE `pid` = %d",
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intval($pid["pid"]));
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} else
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// Sleep two seconds before checking for running processes to avoid having too many workers
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sleep(4);
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// Checking number of workers
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if (poller_too_much_workers())
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return;
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$starttime = time();
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while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) {
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if(function_exists('sys_getloadavg')) {
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$load = sys_getloadavg();
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if(intval($load[0]) > $maxsysload) {
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logger('system: load ' . $load[0] . ' too high. poller deferred to next scheduled run.');
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return;
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}
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}
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// Quit the poller once every hour
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if (time() > ($starttime + 3600))
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return;
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if (poller_too_much_workers())
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return;
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q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d",
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dbesc(datetime_convert()),
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intval(getmypid()),
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intval($r[0]["id"]));
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$argv = json_decode($r[0]["parameter"]);
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$argc = count($argv);
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// Check for existance and validity of the include file
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$include = $argv[0];
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if (!validate_include($include)) {
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logger("Include file ".$argv[0]." is not valid!");
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q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
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continue;
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}
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require_once($include);
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$funcname=str_replace(".php", "", basename($argv[0]))."_run";
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if (function_exists($funcname)) {
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logger("Process ".getmypid().": ".$funcname." ".$r[0]["parameter"]);
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$funcname($argv, $argc);
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logger("Process ".getmypid().": ".$funcname." - done");
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q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
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} else
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logger("Function ".$funcname." does not exist");
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}
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}
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function poller_too_much_workers() {
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if(function_exists('sys_getloadavg')) {
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$load = sys_getloadavg();
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// To-Do
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if ($load < 1)
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$queues = 10;
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elseif ($load < 5)
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$queues = 4;
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elseif ($load < 10)
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$queues = 2;
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else
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$queues = 1;
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} else {
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$queues = intval(get_config("system", "worker_queues"));
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if ($queues == 0)
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$queues = 4;
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}
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if (poller_active_workers() >= $queues)
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return;
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}
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function poller_active_workers() {
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$workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
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return($workers[0]["workers"]);
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}
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if (array_search(__file__,get_included_files())===0){
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poller_run($_SERVER["argv"],$_SERVER["argc"]);
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killme();
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}
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?>
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