update_daemon2_client.php

   1 #!/usr/bin/php
   2 <?php
   3         // define('DEFAULT_ERROR_LEVEL', E_ALL);
   4         define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   5
   6         if ($argv[1] != "SRV_RUN_OK") {
   7                 die("This script should be started by update_daemon2.php.\n");
   8         }
   9
  10         declare(ticks = 1);
  11
  12         define('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-daemon');
  13         define('SIMPLEPIE_CACHE_DIR',   '/var/tmp/simplepie-ttrss-cache-daemon');
  14         define('DISABLE_SESSIONS', true);
  15
  16         require_once "version.php";
  17
  18         if (strpos(VERSION, ".99") !== false) {
  19                 define('DAEMON_EXTENDED_DEBUG', true);
  20         }
  21
  22         define('PURGE_INTERVAL', 3600); // seconds
  23
  24         require_once "sanity_check.php";
  25         require_once "config.php";
  26
  27         if (!ENABLE_UPDATE_DAEMON) {
  28                 die("Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
  29         }
  30
  31         require_once "db.php";
  32         require_once "db-prefs.php";
  33         require_once "functions.php";
  34         require_once "magpierss/rss_fetch.inc";
  35
  36         error_reporting(DEFAULT_ERROR_LEVEL);
  37
  38         function sigalrm_handler() {
  39                 die("received SIGALRM, hang in feed update?\n");
  40         }
  41
  42         pcntl_signal(SIGALRM, sigalrm_handler);
  43
  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         if (DB_TYPE == "pgsql") {
  55                 pg_query("set client_encoding = 'utf-8'");
  56                 pg_set_client_encoding("UNICODE");
  57         } else {
  58                 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
  59                         db_query($link, "SET NAMES " . MYSQL_CHARSET);
  60 //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
  61                 }
  62         }
  63
  64         $last_purge = 0;
  65
  66         if (!make_stampfile('update_daemon.stamp')) {
  67                 print "warning: unable to create stampfile";
  68         }
  69
  70         if (time() - $last_purge > PURGE_INTERVAL) {
  71                 _debug("Purging old posts (random 30 feeds)...");
  72                 global_purge_old_posts($link, true, 30);
  73                 $last_purge = time();
  74         }
  75
  76         // Process all other feeds using last_updated and interval parameters
  77
  78         $random_qpart = sql_random_function();
  79
  80         if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
  81                 if (DB_TYPE == "pgsql") {
  82                         $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
  83                 } else {
  84                         $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
  85                 }
  86         } else {
  87                 $login_thresh_qpart = "";
  88         }
  89
  90         if (DB_TYPE == "pgsql") {
  91                 $update_limit_qpart = "AND ttrss_feeds.last_updated < NOW() - INTERVAL '".(DAEMON_SLEEP_INTERVAL*2)." seconds'";
  92         } else {
  93                 $update_limit_qpart = "AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ".(DAEMON_SLEEP_INTERVAL*2)." SECOND)";
  94         }
  95
  96         if (DB_TYPE == "pgsql") {
  97                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
  98                 } else {
  99                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 100                 }
 101
 102         $result = db_query($link, "SELECT feed_url,ttrss_feeds.id,owner_uid,
 103                         SUBSTRING(last_updated,1,19) AS last_updated,
 104                         update_interval
 105                 FROM
 106                         ttrss_feeds,ttrss_users
 107                 WHERE
 108                         ttrss_users.id = owner_uid $login_thresh_qpart $update_limit_qpart
 109                         $updstart_thresh_qpart
 110                 ORDER BY $random_qpart DESC LIMIT " . DAEMON_FEED_LIMIT);
 111
 112         $user_prefs_cache = array();
 113
 114         _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
 115
 116         while ($line = db_fetch_assoc($result)) {
 117
 118                 $upd_intl = $line["update_interval"];
 119                 $user_id = $line["owner_uid"];
 120
 121                 if (!$upd_intl || $upd_intl == 0) {
 122                         if (!$user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL']) {
 123                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
 124                                 $user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL'] = $upd_intl;
 125                         } else {
 126                                 $upd_intl = $user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL'];
 127                         }
 128                 }
 129
 130                 if ($upd_intl < 0) {
 131 #                               print "Updates disabled.\n";
 132                         continue;
 133                 }
 134
 135                 _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
 136
 137 //                      _debug(sprintf("\tLU: %d, INTL: %d, UID: %d) ",
 138 //                              time() - strtotime($line["last_updated"]), $upd_intl*60, $user_id));
 139
 140                 if (!$line["last_updated"] ||
 141                         time() - strtotime($line["last_updated"]) > ($upd_intl * 60)) {
 142
 143                         _debug("Updating...");
 144
 145                         pcntl_alarm(300);
 146
 147                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
 148
 149                         pcntl_alarm(0);
 150
 151                         sleep(1); // prevent flood (FIXME make this an option?)
 152                 } else {
 153                         _debug("Update not needed.");
 154                 }
 155         }
 156
 157         if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
 158
 159         db_close($link);
 160 ?>