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