update.php

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