include/poller.php

   1 <?php
   2 if (!file_exists("boot.php") AND (sizeof($_SERVER["argv"]) != 0)) {
   3         $directory = dirname($_SERVER["argv"][0]);
   4
   5         if (substr($directory, 0, 1) != "/")
   6                 $directory = $_SERVER["PWD"]."/".$directory;
   7
   8         $directory = realpath($directory."/..");
   9
  10         chdir($directory);
  11 }
  12
  13 require_once("boot.php");
  14
  15 function poller_run(&$argv, &$argc){
  16         global $a, $db;
  17
  18         if(is_null($a)) {
  19                 $a = new App;
  20         }
  21
  22         if(is_null($db)) {
  23                 @include(".htconfig.php");
  24                 require_once("include/dba.php");
  25                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  26                 unset($db_host, $db_user, $db_pass, $db_data);
  27         };
  28
  29         if(($argc <= 1) OR ($argv[1] != "no_cron")) {
  30                 // Run the cron job that calls all other jobs
  31                 proc_run("php","include/cron.php");
  32
  33                 // Cleaning dead processes
  34                 $r = q("SELECT DISTINCT(`pid`) FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
  35                 foreach($r AS $pid)
  36                         if (!posix_kill($pid["pid"], 0))
  37                                 q("UPDATE `workerqueue` SET `executed` = '0000-00-00 00:00:00', `pid` = 0 WHERE `pid` = %d",
  38                                         intval($pid["pid"]));
  39
  40         } else
  41                 // Sleep two seconds before checking for running processes to avoid having too many workers
  42                 sleep(2);
  43
  44         // Checking number of workers
  45         $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
  46
  47         $queues = intval(get_config("system", "worker_queues"));
  48
  49         if ($queues == 0)
  50                 $queues = 4;
  51
  52         if ($workers[0]["workers"] >= $queues)
  53                 return;
  54
  55         while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) {
  56                 q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d",
  57                         dbesc(datetime_convert()),
  58                         intval(getmypid()),
  59                         intval($r[0]["id"]));
  60
  61                 $argv = json_decode($r[0]["parameter"]);
  62
  63                 $argc = count($argv);
  64
  65                 // To-Do: Check for existance
  66                 require_once(basename($argv[0]));
  67
  68                 $funcname=str_replace(".php", "", basename($argv[0]))."_run";
  69
  70                 if (function_exists($funcname)) {
  71                         logger("Process ".getmypid().": ".$funcname." ".$r[0]["parameter"]);
  72                         $funcname($argv, $argc);
  73
  74                         logger("Process ".getmypid().": ".$funcname." - done");
  75
  76                         q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
  77                 }
  78         }
  79
  80 }
  81
  82 if (array_search(__file__,get_included_files())===0){
  83   poller_run($_SERVER["argv"],$_SERVER["argc"]);
  84   killme();
  85 }
  86 ?>