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('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-daemon');
  16         define('SIMPLEPIE_CACHE_DIR',   '/var/tmp/simplepie-ttrss-cache-daemon');
  17         define('DISABLE_SESSIONS', true);
  18
  19         require_once "version.php";
  20
  21         if (strpos(VERSION, ".99") !== false) {
  22                 define('DAEMON_EXTENDED_DEBUG', true);
  23         }
  24
  25         define('PURGE_INTERVAL', 3600); // seconds
  26
  27         require_once "sanity_check.php";
  28         require_once "config.php";
  29
  30         if (!ENABLE_UPDATE_DAEMON) {
  31                 die("Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
  32         }
  33
  34         require_once "db.php";
  35         require_once "db-prefs.php";
  36         require_once "functions.php";
  37         require_once "magpierss/rss_fetch.inc";
  38
  39         error_reporting(DEFAULT_ERROR_LEVEL);
  40
  41         function sigalrm_handler() {
  42                 die("received SIGALRM, hang in feed update?\n");
  43         }
  44
  45         pcntl_signal(SIGALRM, sigalrm_handler);
  46
  47         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  48
  49         if (!$link) {
  50                 if (DB_TYPE == "mysql") {
  51                         print mysql_error();
  52                 }
  53                 // PG seems to display its own errors just fine by default.
  54                 return;
  55         }
  56
  57         init_connection($link);
  58
  59         $last_purge = 0;
  60
  61         if (!make_stampfile('update_daemon.stamp')) {
  62                 print "error: unable to create stampfile";
  63                 die;
  64         }
  65
  66 /*      if (time() - $last_purge > PURGE_INTERVAL) {
  67                 _debug("Purging old posts (random 30 feeds)...");
  68                 global_purge_old_posts($link, true, 30);
  69                 $last_purge = time();
  70         } */
  71
  72         // Call to the feed batch update function
  73         // or regenerate feedbrowser cache
  74
  75         if (rand(0,100) > 50) {
  76                 update_daemon_common($link);
  77         } else {
  78                 $count = update_feedbrowser_cache($link);
  79                 _debug("Finished, $count feeds processed.");
  80         }
  81
  82
  83         db_close($link);
  84
  85 ?>