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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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22
boot.php
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@ -1432,8 +1432,25 @@ if(! function_exists('proc_run')) {
if(! $arr['run_cmd'])
return;
if(count($args) && $args[0] === 'php')
if(count($args) && $args[0] === 'php') {
$argv = $args;
array_shift($argv);
$parameters = json_encode($argv);
$found = q("SELECT `id` FROM `workerqueue` WHERE `parameter` = '%s'",
dbesc($parameters));
if (!$found)
q("INSERT INTO `workerqueue` (`parameter`, `created`, `priority`)
VALUES ('%s', '%s', %d)",
dbesc($parameters),
dbesc(datetime_convert()),
intval(0));
// return;
$args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
}
// add baseurl to args. cli scripts can't construct it
$args[] = $a->get_baseurl();
@ -1441,9 +1458,8 @@ if(! function_exists('proc_run')) {
for($x = 0; $x < count($args); $x ++)
$args[$x] = escapeshellarg($args[$x]);
$cmdline = implode($args," ");
if(get_config('system','proc_windows'))
proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
else

14
include/dbstructure.php
View file

@ -1382,6 +1382,20 @@ function db_definition() {
"username" => array("username"),
)
);
$database["workerqueue"] = array(
"fields" => array(
"id" => array("type" => "int(11)", "not null" => "1", "extra" => "auto_increment", "primary" => "1"),
"parameter" => array("type" => "text", "not null" => "1"),
"priority" => array("type" => "tinyint(3) unsigned", "not null" => "1", "default" => "0"),
"created" => array("type" => "datetime", "not null" => "1", "default" => "0000-00-00 00:00:00"),
"pid" => array("type" => "int(11)", "not null" => "1", "default" => "0"),
"executed" => array("type" => "datetime", "not null" => "1", "default" => "0000-00-00 00:00:00"),
),
"indexes" => array(
"PRIMARY" => array("id"),
"created" => array("created"),
)
);
return($database);
}

68
include/worker.php Executable file
View file

@ -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"]));
}
}
?>