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                 // Run the cronhooks job separately from cron for being able to use a different timing
  34                 proc_run("php","include/cronhooks.php");
  35
  36                 // Cleaning dead processes
  37                 $r = q("SELECT DISTINCT(`pid`) FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
  38                 foreach($r AS $pid)
  39                         if (!posix_kill($pid["pid"], 0))
  40                                 q("UPDATE `workerqueue` SET `executed` = '0000-00-00 00:00:00', `pid` = 0 WHERE `pid` = %d",
  41                                         intval($pid["pid"]));
  42
  43         } else
  44                 // Sleep two seconds before checking for running processes to avoid having too many workers
  45                 sleep(4);
  46
  47         // Checking number of workers
  48         $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
  49
  50         $queues = intval(get_config("system", "worker_queues"));
  51
  52         if ($queues == 0)
  53                 $queues = 4;
  54
  55         if ($workers[0]["workers"] >= $queues)
  56                 return;
  57
  58         while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `created` LIMIT 1")) {
  59                 q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d",
  60                         dbesc(datetime_convert()),
  61                         intval(getmypid()),
  62                         intval($r[0]["id"]));
  63
  64                 $argv = json_decode($r[0]["parameter"]);
  65
  66                 $argc = count($argv);
  67
  68                 // Check for existance and validity of the include file
  69                 $include = $argv[0];
  70
  71                 if (!validate_include($include)) {
  72                         logger("Include file ".$argv[0]." is not valid!");
  73                         q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
  74                         continue;
  75                 }
  76
  77                 require_once($include);
  78
  79                 $funcname=str_replace(".php", "", basename($argv[0]))."_run";
  80
  81                 if (function_exists($funcname)) {
  82                         logger("Process ".getmypid().": ".$funcname." ".$r[0]["parameter"]);
  83                         $funcname($argv, $argc);
  84
  85                         logger("Process ".getmypid().": ".$funcname." - done");
  86
  87                         q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
  88                 } else
  89                         logger("Function ".$funcname." does not exist");
  90         }
  91
  92 }
  93
  94 if (array_search(__file__,get_included_files())===0){
  95   poller_run($_SERVER["argv"],$_SERVER["argc"]);
  96   killme();
  97 }
  98 ?>