#!/usr/bin/php <?php // this daemon runs in the background and updates all feeds // continuously // define('DEFAULT_ERROR_LEVEL', E_ALL); define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE); declare(ticks = 1); define('DISABLE_SESSIONS', true); require_once "version.php"; if (strpos(VERSION, ".99") !== false || getenv('DAEMON_XDEBUG')) { define('DAEMON_EXTENDED_DEBUG', true); } define('PURGE_INTERVAL', 3600); // seconds require_once "sanity_check.php"; require_once "config.php"; if (!defined('PHP_EXECUTABLE')) { define('PHP_EXECUTABLE', '/usr/bin/php'); } if (!ENABLE_UPDATE_DAEMON) { die("Please enable option ENABLE_UPDATE_DAEMON in config.php\n"); } require_once "db.php"; require_once "db-prefs.php"; require_once "functions.php"; error_reporting(DEFAULT_ERROR_LEVEL); function sigint_handler() { unlink(LOCK_DIRECTORY . "/update_daemon.lock"); die("Received SIGINT. Exiting.\n"); } function sigalrm_handler() { die("received SIGALRM, hang in feed update?\n"); } if (function_exists('pcntl_signal')) { pcntl_signal(SIGINT, sigint_handler); pcntl_signal(SIGALRM, sigalrm_handler); } else { _debug("Warning: pcntl_signal function not present, continuing without support for signals."); } $lock_handle = make_lockfile("update_daemon.lock"); if (!$lock_handle) { die("error: Can't create lockfile ($lock_filename). ". "Maybe another daemon is already running.\n"); } // Testing database connection. // It is unnecessary to start the fork loop if database is not ok. $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); if (!$link) { if (DB_TYPE == "mysql") { print mysql_error(); } // PG seems to display its own errors just fine by default. return; } db_close($link); $last_purge = 0; while (true) { passthru(PHP_EXECUTABLE . " update_daemon_loop.php SRV_RUN_OK"); _debug("Sleeping for " . DAEMON_SLEEP_INTERVAL . " seconds..."); sleep(DAEMON_SLEEP_INTERVAL); } ?>