update.php

   1 #!/usr/bin/php
   2 <?php
   3         set_include_path(get_include_path() . PATH_SEPARATOR .
   4                 dirname(__FILE__) . "/include");
   5
   6         define('DISABLE_SESSIONS', true);
   7
   8         chdir(dirname(__FILE__));
   9
  10         require_once "functions.php";
  11         require_once "rssfuncs.php";
  12         require_once "sanity_check.php";
  13         require_once "config.php";
  14         require_once "db.php";
  15         require_once "db-prefs.php";
  16
  17         if (!defined('PHP_EXECUTABLE'))
  18                 define('PHP_EXECUTABLE', '/usr/bin/php');
  19
  20         $op = $argv[1];
  21
  22         if (!$op || $op == "-help") {
  23                 print "Tiny Tiny RSS data update script.\n\n";
  24                 print "Options:\n";
  25                 print "  -feeds         - update feeds\n";
  26                 print "  -feedbrowser   - update feedbrowser\n";
  27                 print "  -daemon        - start single-process update daemon\n";
  28                 print "  -cleanup-tags  - perform tags table maintenance\n";
  29                 print "  -get-feeds     - receive popular feeds from linked instances\n";
  30                 print "  -help          - show this help\n";
  31                 return;
  32         }
  33
  34         if ($op != "-daemon") {
  35                 $lock_filename = "update.lock";
  36         } else {
  37                 $lock_filename = "update_daemon.lock";
  38         }
  39
  40         $lock_handle = make_lockfile($lock_filename);
  41         $must_exit = false;
  42
  43         // Try to lock a file in order to avoid concurrent update.
  44         if (!$lock_handle) {
  45                 die("error: Can't create lockfile ($lock_filename). ".
  46                         "Maybe another update process is already running.\n");
  47         }
  48
  49         // Create a database connection.
  50         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  51
  52         init_connection($link);
  53
  54         if ($op == "-feeds") {
  55                 // Update all feeds needing a update.
  56                 update_daemon_common($link);
  57
  58                 // Update feedbrowser
  59                 $count = update_feedbrowser_cache($link);
  60                 _debug("Feedbrowser updated, $count feeds processed.");
  61
  62                 // Purge orphans and cleanup tags
  63                 purge_orphans($link, true);
  64
  65                 $rc = cleanup_tags($link, 14, 50000);
  66                 _debug("Cleaned $rc cached tags.");
  67
  68                 get_linked_feeds($link);
  69         }
  70
  71         if ($op == "-feedbrowser") {
  72                 $count = update_feedbrowser_cache($link);
  73                 print "Finished, $count feeds processed.\n";
  74         }
  75
  76         if ($op == "-daemon") {
  77                 while (true) {
  78                         passthru(PHP_EXECUTABLE . " " . $argv[0] . " -daemon-loop");
  79                         _debug("Sleeping for " . DAEMON_SLEEP_INTERVAL . " seconds...");
  80                         sleep(DAEMON_SLEEP_INTERVAL);
  81                 }
  82         }
  83
  84         if ($op == "-daemon-loop") {
  85                 if (!make_stampfile('update_daemon.stamp')) {
  86                         die("error: unable to create stampfile\n");
  87                 }
  88
  89                 // Call to the feed batch update function
  90                 // or regenerate feedbrowser cache
  91
  92                 if (rand(0,100) > 30) {
  93                         update_daemon_common($link);
  94                 } else {
  95                         $count = update_feedbrowser_cache($link);
  96                         _debug("Feedbrowser updated, $count feeds processed.");
  97
  98                         purge_orphans($link, true);
  99
 100                         $rc = cleanup_tags($link, 14, 50000);
 101
 102                         _debug("Cleaned $rc cached tags.");
 103
 104                         get_linked_feeds($link);
 105                 }
 106
 107         }
 108
 109         if ($op == "-cleanup-tags") {
 110                 $rc = cleanup_tags($link, 14, 50000);
 111                 print "$rc tags deleted.\n";
 112         }
 113
 114         if ($op == "-get-feeds") {
 115                 get_linked_feeds($link);
 116         }
 117
 118         db_close($link);
 119
 120         if ($lock_handle != false) {
 121                 fclose($lock_handle);
 122         }
 123
 124         unlink(LOCK_DIRECTORY . "/$lock_filename");
 125 ?>