update.php

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