122 lines
3.1 KiB
PHP
122 lines
3.1 KiB
PHP
#!/usr/bin/php4
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<?
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// this daemon runs in the background and updates all feeds
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// continuously
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declare(ticks = 1);
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define('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-daemon');
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define('DISABLE_SESSIONS', true);
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define('PURGE_INTERVAL', 3600); // seconds
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require_once "sanity_check.php";
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require_once "config.php";
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if (!ENABLE_UPDATE_DAEMON) {
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die("Please enable option ENABLE_UPDATE_DAEMON in config.php");
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}
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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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function sigint_handler() {
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unlink("update_daemon.lock");
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die("Received SIGINT. Exiting.\n");
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}
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pcntl_signal(SIGINT, sigint_handler);
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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 ($lock_filename). ".
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"Maybe another daemon is already running.");
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}
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$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
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if (!$link) {
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if (DB_TYPE == "mysql") {
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print mysql_error();
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}
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// PG seems to display its own errors just fine by default.
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return;
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}
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if (DB_TYPE == "pgsql") {
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pg_query("set client_encoding = 'utf-8'");
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}
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$last_purge = 0;
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while (true) {
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if (time() - $last_purge > PURGE_INTERVAL) {
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print "Purging old posts...\n";
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global_purge_old_posts($link, true);
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$last_purge = time();
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}
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// FIXME: get all scheduled updates w/forced refetch
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// Stub, until I figure out if it is really needed.
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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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# $line["owner_uid"] . "\n";
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# }
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// Process all other feeds using last_updated and interval parameters
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$result = db_query($link, "SELECT feed_url,id,owner_uid,
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SUBSTRING(last_updated,1,19) AS last_updated,
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update_interval FROM ttrss_feeds ORDER BY last_updated DESC");
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$user_prefs_cache = array();
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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 || $upd_intl == 0) {
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if (!$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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}
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if ($upd_intl < 0) {
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# print "Updates disabled.\n";
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continue;
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}
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print "Feed: " . $line["feed_url"] . ": ";
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printf("(%d/%d, %d) ", time() - strtotime($line["last_updated"]),
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$upd_intl*60, $owner_uid);
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if (!$line["last_updated"] ||
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time() - strtotime($line["last_updated"]) > ($upd_intl * 60)) {
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print "Updating...\n";
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update_rss_feed($link, $line["feed_url"], $line["id"], true);
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sleep(1); // prevent flood (FIXME make this an option?)
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} else {
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print "Update not needed.\n";
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}
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}
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print "Sleeping for " . DAEMON_SLEEP_INTERVAL . " seconds...\n";
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sleep(DAEMON_SLEEP_INTERVAL);
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}
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db_close($link);
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?>
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