update.php

   1 #!/usr/bin/php
   2 <?php
   3         set_include_path(get_include_path() . PATH_SEPARATOR . "include");
   4
   5         define('DISABLE_SESSIONS', true);
   6
   7         chdir(dirname(__FILE__));
   8
   9         require_once "functions.php";
  10         require_once "sanity_check.php";
  11         require_once "config.php";
  12         require_once "db.php";
  13         require_once "db-prefs.php";
  14
  15         if (!defined('PHP_EXECUTABLE'))
  16                 define('PHP_EXECUTABLE', '/usr/bin/php');
  17
  18         $op = $argv[1];
  19
  20         if (!$op || $op == "-help") {
  21                 print "Tiny Tiny RSS data update script.\n\n";
  22                 print "Options:\n";
  23                 print "  -feeds         - update feeds\n";
  24                 print "  -feedbrowser   - update feedbrowser\n";
  25                 print "  -daemon        - start single-process update daemon\n";
  26                 print "  -cleanup-tags  - perform tags table maintenance\n";
  27                 print "  -get-feeds     - receive popular feeds from linked instances\n";
  28                 print "  -help          - show this help\n";
  29                 return;
  30         }
  31
  32         if ($op != "-daemon") {
  33                 $lock_filename = "update.lock";
  34         } else {
  35                 $lock_filename = "update_daemon.lock";
  36         }
  37
  38         $lock_handle = make_lockfile($lock_filename);
  39         $must_exit = false;
  40
  41         // Try to lock a file in order to avoid concurrent update.
  42         if (!$lock_handle) {
  43                 die("error: Can't create lockfile ($lock_filename). ".
  44                         "Maybe another update process is already running.\n");
  45         }
  46
  47         // Create a database connection.
  48         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  49
  50         init_connection($link);
  51
  52         if ($op == "-feeds") {
  53                 // Update all feeds needing a update.
  54                 update_daemon_common($link);
  55
  56                 // Update feedbrowser
  57                 $count = update_feedbrowser_cache($link);
  58                 _debug("Feedbrowser updated, $count feeds processed.");
  59
  60                 // Purge orphans and cleanup tags
  61                 purge_orphans($link, true);
  62
  63                 $rc = cleanup_tags($link, 14, 50000);
  64                 _debug("Cleaned $rc cached tags.");
  65
  66                 get_linked_feeds($link);
  67         }
  68
  69         if ($op == "-feedbrowser") {
  70                 $count = update_feedbrowser_cache($link);
  71                 print "Finished, $count feeds processed.\n";
  72         }
  73
  74         if ($op == "-daemon") {
  75                 while (true) {
  76                         passthru(PHP_EXECUTABLE . " " . $argv[0] . " -daemon-loop");
  77                         _debug("Sleeping for " . DAEMON_SLEEP_INTERVAL . " seconds...");
  78                         sleep(DAEMON_SLEEP_INTERVAL);
  79                 }
  80         }
  81
  82         if ($op == "-daemon-loop") {
  83                 if (!make_stampfile('update_daemon.stamp')) {
  84                         die("error: unable to create stampfile\n");
  85                 }
  86
  87                 // Call to the feed batch update function
  88                 // or regenerate feedbrowser cache
  89
  90                 if (rand(0,100) > 30) {
  91                         update_daemon_common($link);
  92                 } else {
  93                         $count = update_feedbrowser_cache($link);
  94                         _debug("Feedbrowser updated, $count feeds processed.");
  95
  96                         purge_orphans($link, true);
  97
  98                         $rc = cleanup_tags($link, 14, 50000);
  99
 100                         _debug("Cleaned $rc cached tags.");
 101
 102                         get_linked_feeds($link);
 103                 }
 104
 105         }
 106
 107         if ($op == "-cleanup-tags") {
 108                 $rc = cleanup_tags($link, 14, 50000);
 109                 print "$rc tags deleted.\n";
 110         }
 111
 112         if ($op == "-get-feeds") {
 113                 get_linked_feeds($link);
 114         }
 115
 116         db_close($link);
 117
 118         if ($lock_handle != false) {
 119                 fclose($lock_handle);
 120         }
 121
 122         unlink(LOCK_DIRECTORY . "/$lock_filename");
 123 ?>