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Worker: New method for running background processes

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This commit is contained in:
Michael Vogel 2015-09-09 22:42:31 +02:00
parent 1c19bcd322
commit 17b1d45968
3 changed files with 101 additions and 3 deletions
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68
include/worker.php Executable file
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@ -0,0 +1,68 @@
#!/usr/bin/php
<?php
if (sizeof($_SERVER["argv"]) == 0)
die();
$directory = dirname($_SERVER["argv"][0]);
if (substr($directory, 0, 1) != "/")
$directory = $_SERVER["PWD"]."/".$directory;
$directory = realpath($directory."/..");
chdir($directory);
require_once("boot.php");
global $a, $db;
if(is_null($a)) {
$a = new App;
}
if(is_null($db)) {
@include(".htconfig.php");
require_once("include/dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data);
unset($db_host, $db_user, $db_pass, $db_data);
};
// Cleaning killed 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"]));
// Checking number of workers
$workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
$threads = 3;
if ($workers[0]["workers"] >= $threads)
return;
while ($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()),
intval($r[0]["id"]));
$argv = json_decode($r[0]["parameter"]);
$argc = count($argv);
// To-Do: Check for existance
require_once(basename($argv[0]));
$funcname=str_replace(".php", "", basename($argv[0]))."_run";
if (function_exists($funcname)) {
logger("Process ".getmypid().": ".$funcname." ".$r[0]["parameter"]);
//$funcname($argv, $argc);
sleep(10);
logger("Process ".getmypid().": ".$funcname." - done");
q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
}
}
?>