2007-03-02 14:41:57 +00:00
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#!/usr/bin/php
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2006-08-19 07:04:45 +00:00
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<?php
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2006-02-11 13:52:17 +00:00
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// this daemon runs in the background and updates all feeds
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// continuously
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2007-03-15 04:57:24 +00:00
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// define('DEFAULT_ERROR_LEVEL', E_ALL);
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define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
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2006-04-20 05:16:41 +00:00
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2006-02-12 07:21:43 +00:00
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declare(ticks = 1);
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2006-02-11 13:52:17 +00:00
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define('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-daemon');
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2007-08-25 16:24:18 +00:00
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define('SIMPLEPIE_CACHE_DIR', '/var/tmp/simplepie-ttrss-cache-daemon');
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2006-02-11 13:52:17 +00:00
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define('DISABLE_SESSIONS', true);
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2007-03-15 04:57:24 +00:00
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require_once "version.php";
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if (strpos(VERSION, ".99") !== false) {
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define('DAEMON_EXTENDED_DEBUG', true);
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}
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2006-02-11 13:52:17 +00:00
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2006-02-27 08:40:53 +00:00
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define('PURGE_INTERVAL', 3600); // seconds
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2006-02-11 13:52:17 +00:00
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require_once "sanity_check.php";
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require_once "config.php";
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2006-02-12 07:50:35 +00:00
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if (!ENABLE_UPDATE_DAEMON) {
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2006-08-20 10:19:10 +00:00
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die("Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
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2006-02-12 07:50:35 +00:00
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}
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2006-02-11 13:52:17 +00:00
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require_once "db.php";
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require_once "db-prefs.php";
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require_once "functions.php";
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require_once "magpierss/rss_fetch.inc";
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2007-03-15 04:57:24 +00:00
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error_reporting(DEFAULT_ERROR_LEVEL);
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2007-03-14 14:50:28 +00:00
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2006-02-12 07:21:43 +00:00
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function sigint_handler() {
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2008-01-17 05:33:52 +00:00
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unlink(LOCK_DIRECTORY . "/update_daemon.lock");
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2006-02-12 07:21:43 +00:00
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die("Received SIGINT. Exiting.\n");
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}
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2007-03-15 15:45:42 +00:00
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function sigalrm_handler() {
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die("received SIGALRM, hang in feed update?\n");
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}
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2006-02-12 07:21:43 +00:00
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pcntl_signal(SIGINT, sigint_handler);
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2007-03-15 15:45:42 +00:00
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pcntl_signal(SIGALRM, sigalrm_handler);
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2006-02-12 07:21:43 +00:00
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$lock_handle = make_lockfile("update_daemon.lock");
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if (!$lock_handle) {
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die("error: Can't create lockfile ($lock_filename). ".
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2006-08-20 10:19:10 +00:00
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"Maybe another daemon is already running.\n");
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2006-02-12 07:21:43 +00:00
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}
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2006-02-11 13:52:17 +00:00
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$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
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if (!$link) {
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if (DB_TYPE == "mysql") {
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print mysql_error();
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}
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// PG seems to display its own errors just fine by default.
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return;
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}
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if (DB_TYPE == "pgsql") {
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pg_query("set client_encoding = 'utf-8'");
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2007-02-20 08:33:17 +00:00
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pg_set_client_encoding("UNICODE");
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2007-08-17 16:02:15 +00:00
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} else {
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2007-08-21 10:47:25 +00:00
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if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
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db_query($link, "SET NAMES " . MYSQL_CHARSET);
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2007-08-25 04:28:10 +00:00
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// db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
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2007-08-21 10:47:25 +00:00
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}
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2006-02-11 13:52:17 +00:00
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}
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2006-02-27 08:40:53 +00:00
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$last_purge = 0;
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2006-02-11 14:13:23 +00:00
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while (true) {
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2006-02-26 07:09:48 +00:00
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2007-07-16 12:22:13 +00:00
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if (!make_stampfile('update_daemon.stamp')) {
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print "error: unable to create stampfile";
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die;
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}
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2006-02-27 08:40:53 +00:00
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if (time() - $last_purge > PURGE_INTERVAL) {
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2007-03-08 17:36:42 +00:00
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_debug("Purging old posts (random 30 feeds)...");
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2006-03-21 07:09:18 +00:00
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global_purge_old_posts($link, true, 30);
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2006-02-27 08:40:53 +00:00
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$last_purge = time();
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}
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2006-02-11 14:13:23 +00:00
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2006-02-12 05:06:04 +00:00
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// FIXME: get all scheduled updates w/forced refetch
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2006-02-12 07:21:43 +00:00
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// Stub, until I figure out if it is really needed.
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2006-02-11 14:13:23 +00:00
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2006-02-12 05:06:04 +00:00
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# $result = db_query($link, "SELECT * FROM ttrss_scheduled_updates ORDER BY id");
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# while ($line = db_fetch_assoc($result)) {
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# print "Scheduled feed update: " . $line["feed_id"] . ", UID: " .
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# $line["owner_uid"] . "\n";
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# }
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2006-02-11 14:13:23 +00:00
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// Process all other feeds using last_updated and interval parameters
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2006-03-21 07:09:18 +00:00
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$random_qpart = sql_random_function();
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2006-04-28 07:01:41 +00:00
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/*
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ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
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}
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$rows = pg_affected_rows($result);
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} else {
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$result = db_query($link, "DELETE FROM ttrss_user_entries
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USING ttrss_user_entries, ttrss_entries
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WHERE ttrss_entries.id = ref_id AND
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marked = false AND
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feed_id = '$feed_id' AND
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ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
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if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
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if (DB_TYPE == "pgsql") {
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$login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
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} else {
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$login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
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}
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} else {
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$login_thresh_qpart = "";
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}
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2007-11-20 02:49:23 +00:00
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if (DB_TYPE == "pgsql") {
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$update_limit_qpart = "AND ttrss_feeds.last_updated < NOW() - INTERVAL '".(DAEMON_SLEEP_INTERVAL*2)." seconds'";
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} else {
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$update_limit_qpart = "AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ".(DAEMON_SLEEP_INTERVAL*2)." SECOND)";
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}
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2008-01-23 08:49:00 +00:00
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if (DB_TYPE == "pgsql") {
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$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started >= NOW() - INTERVAL '120 seconds')";
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} else {
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$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started >= DATE_SUB(NOW(), INTERVAL 120 SECOND))";
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}
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2006-04-28 07:01:41 +00:00
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$result = db_query($link, "SELECT feed_url,ttrss_feeds.id,owner_uid,
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SUBSTRING(last_updated,1,19) AS last_updated,
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update_interval
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FROM
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ttrss_feeds,ttrss_users
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WHERE
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2007-11-20 02:49:23 +00:00
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ttrss_users.id = owner_uid $login_thresh_qpart $update_limit_qpart
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2008-01-23 08:49:00 +00:00
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$updstart_thresh_qpart
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2007-11-17 08:40:37 +00:00
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ORDER BY $random_qpart DESC LIMIT " . DAEMON_FEED_LIMIT);
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2006-03-21 04:52:56 +00:00
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$user_prefs_cache = array();
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2007-03-08 17:36:42 +00:00
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_debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
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2006-04-28 07:01:41 +00:00
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2006-02-11 14:13:23 +00:00
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while ($line = db_fetch_assoc($result)) {
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$upd_intl = $line["update_interval"];
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$user_id = $line["owner_uid"];
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if (!$upd_intl || $upd_intl == 0) {
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2006-03-21 04:52:56 +00:00
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if (!$user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL']) {
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$upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
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$user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL'] = $upd_intl;
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} else {
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$upd_intl = $user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL'];
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}
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2006-02-11 14:13:23 +00:00
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}
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2006-02-12 05:34:27 +00:00
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if ($upd_intl < 0) {
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2006-02-12 07:51:17 +00:00
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# print "Updates disabled.\n";
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2006-02-12 05:34:27 +00:00
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continue;
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}
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2006-02-11 14:13:23 +00:00
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2007-11-20 03:28:33 +00:00
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_debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
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2006-02-12 07:51:17 +00:00
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2007-03-08 17:36:42 +00:00
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// _debug(sprintf("\tLU: %d, INTL: %d, UID: %d) ",
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// time() - strtotime($line["last_updated"]), $upd_intl*60, $user_id));
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2006-02-11 14:13:23 +00:00
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if (!$line["last_updated"] ||
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time() - strtotime($line["last_updated"]) > ($upd_intl * 60)) {
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2007-03-08 17:36:42 +00:00
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2007-03-08 17:38:25 +00:00
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_debug("Updating...");
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2007-03-08 17:36:42 +00:00
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2007-03-17 14:05:00 +00:00
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pcntl_alarm(300);
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2007-03-15 15:45:42 +00:00
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2006-02-12 07:21:43 +00:00
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update_rss_feed($link, $line["feed_url"], $line["id"], true);
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2007-03-15 15:45:42 +00:00
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pcntl_alarm(0);
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2006-03-21 04:52:56 +00:00
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sleep(1); // prevent flood (FIXME make this an option?)
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2006-02-12 07:21:43 +00:00
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} else {
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2007-03-08 17:38:25 +00:00
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_debug("Update not needed.");
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2006-02-11 14:13:23 +00:00
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}
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2006-02-11 13:52:17 +00:00
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}
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2006-08-21 07:34:49 +00:00
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if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
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2006-08-21 06:43:38 +00:00
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2007-03-08 17:36:42 +00:00
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_debug("Sleeping for " . DAEMON_SLEEP_INTERVAL . " seconds...");
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2006-02-11 14:13:23 +00:00
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2006-02-12 08:04:27 +00:00
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sleep(DAEMON_SLEEP_INTERVAL);
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2006-02-11 13:52:17 +00:00
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}
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db_close($link);
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?>
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