update.php

   1 #!/usr/bin/php
   2 <?php
   3         define('DISABLE_SESSIONS', true);
   4
   5         chdir(dirname($_SERVER['SCRIPT_NAME']));
   6         require_once "functions.php";
   7         require_once "sanity_check.php";
   8         require_once "config.php";
   9         require_once "db.php";
  10         require_once "db-prefs.php";
  11
  12         if (!defined('PHP_EXECUTABLE'))
  13                 define('PHP_EXECUTABLE', '/usr/bin/php');
  14
  15         $op = $argv[1];
  16
  17         if (!$op || $op == "-help") {
  18                 print "Tiny Tiny RSS data update script.\n\n";
  19                 print "Options:\n";
  20                 print "  -feeds         - update feeds\n";
  21                 print "  -feedbrowser   - update feedbrowser\n";
  22                 print "  -daemon        - start single-process update daemon\n";
  23                 print "  -cleanup-tags  - perform tags table maintenance\n";
  24                 print "  -help          - show this help\n";
  25                 return;
  26         }
  27
  28         if ($op != "-daemon") {
  29                 $lock_filename = "update.lock";
  30         } else {
  31                 $lock_filename = "update_daemon.lock";
  32         }
  33
  34         $lock_handle = make_lockfile($lock_filename);
  35         $must_exit = false;
  36
  37         // Try to lock a file in order to avoid concurrent update.
  38         if (!$lock_handle) {
  39                 die("error: Can't create lockfile ($lock_filename). ".
  40                         "Maybe another update process is already running.\n");
  41         }
  42
  43         // Create a database connection.
  44         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  45
  46         if (!$link) {
  47                 if (DB_TYPE == "mysql") {
  48                         print mysql_error();
  49                 }
  50                 // PG seems to display its own errors just fine by default.
  51                 return;
  52         }
  53
  54         init_connection($link);
  55
  56         if ($op == "-feeds") {
  57                 // Update all feeds needing a update.
  58                 update_daemon_common($link);
  59
  60                 // Update feedbrowser
  61                 $count = update_feedbrowser_cache($link);
  62                 _debug("Feedbrowser updated, $count feeds processed.");
  63
  64                 // Purge orphans and cleanup tags
  65                 purge_orphans($link, true);
  66
  67                 $rc = cleanup_tags($link, 14, 50000);
  68                 _debug("Cleaned $rc cached tags.");
  69         }
  70
  71         if ($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 $rc cached tags.");
 103                 }
 104
 105         }
 106
 107         if ($op == "-cleanup-tags") {
 108                 $rc = cleanup_tags($link, 14, 50000);
 109                 print "$rc tags deleted.\n";
 110         }
 111
 112         db_close($link);
 113
 114         unlink(LOCK_DIRECTORY . "/$lock_filename");
 115 ?>