update_daemon_loop.php

   1 #!/usr/bin/php
   2 <?php
   3         // this daemon runs in the background and updates all feeds
   4         // continuously
   5
   6         if ($argv[1] != "SRV_RUN_OK") {
   7                 die("This script should be run by update_daemon.php\n");
   8         }
   9
  10         // define('DEFAULT_ERROR_LEVEL', E_ALL);
  11         define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
  12
  13         declare(ticks = 1);
  14
  15         define('DISABLE_SESSIONS', true);
  16
  17         require_once "version.php";
  18
  19         if (strpos(VERSION, ".99") !== false) {
  20                 define('DAEMON_EXTENDED_DEBUG', true);
  21         }
  22
  23         define('PURGE_INTERVAL', 3600); // seconds
  24
  25         require_once "sanity_check.php";
  26         require_once "config.php";
  27
  28         if (!ENABLE_UPDATE_DAEMON) {
  29                 die("Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
  30         }
  31
  32         require_once "db.php";
  33         require_once "db-prefs.php";
  34         require_once "functions.php";
  35         require_once "lib/magpierss/rss_fetch.inc";
  36
  37         error_reporting(DEFAULT_ERROR_LEVEL);
  38
  39         function sigalrm_handler() {
  40                 die("received SIGALRM, hang in feed update?\n");
  41         }
  42
  43         pcntl_signal(SIGALRM, sigalrm_handler);
  44
  45         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  46
  47         if (!$link) {
  48                 if (DB_TYPE == "mysql") {
  49                         print mysql_error();
  50                 }
  51                 // PG seems to display its own errors just fine by default.
  52                 return;
  53         }
  54
  55         init_connection($link);
  56
  57         $last_purge = 0;
  58
  59         if (!make_stampfile('update_daemon.stamp')) {
  60                 print "error: unable to create stampfile";
  61                 die;
  62         }
  63
  64         // Call to the feed batch update function
  65         // or regenerate feedbrowser cache
  66
  67         if (rand(0,100) > 50) {
  68                 update_daemon_common($link);
  69         } else {
  70                 $count = update_feedbrowser_cache($link);
  71                 _debug("Finished, $count feeds processed.");
  72         }
  73
  74         db_close($link);
  75
  76 ?>