X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=update_daemon2.php;h=05ccb1356977c1b701b0581886aa28580a6d7a4c;hb=fce451a4f796e8ccafc9aec692cb8821c085fc97;hp=05b55ffe311a636901d9f20648227ffeeb88711f;hpb=88e8fb3a7132d1321ab65b66a19a67df890c402d;p=tt-rss.git diff --git a/update_daemon2.php b/update_daemon2.php index 05b55ffe..05ccb135 100755 --- a/update_daemon2.php +++ b/update_daemon2.php @@ -14,24 +14,26 @@ define('DAEMON_EXTENDED_DEBUG', true); } - define('PURGE_INTERVAL', 3600); // seconds - define('MAX_CHILD_RUNTIME', 600); // seconds - + require_once "autoload.php"; require_once "functions.php"; require_once "rssfuncs.php"; require_once "sanity_check.php"; require_once "config.php"; require_once "db.php"; require_once "db-prefs.php"; - require_once "lib/magpierss/rss_fetch.inc"; + // defaults + define('PURGE_INTERVAL', 3600); // seconds + define('MAX_CHILD_RUNTIME', 600); // seconds define('MAX_JOBS', 2); - define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL); + define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL); // seconds if (!function_exists('pcntl_fork')) { die("error: This script requires PHP compiled with PCNTL module.\n"); } + $master_handlers_installed = false; + $children = array(); $ctimes = array(); @@ -85,79 +87,139 @@ pcntl_waitpid(-1, $status, WNOHANG); } - function shutdown() { - if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) - unlink(LOCK_DIRECTORY . "/update_daemon.lock"); + function shutdown($caller_pid) { + if ($caller_pid == posix_getpid()) { + if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) { + _debug("removing lockfile (master)..."); + unlink(LOCK_DIRECTORY . "/update_daemon.lock"); + } + } } function task_shutdown() { $pid = posix_getpid(); - if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock")) + if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock")) { + _debug("removing lockfile ($pid)..."); unlink(LOCK_DIRECTORY . "/update_daemon-$pid.lock"); + } } function sigint_handler() { - shutdown(); - die("[SIGINT] removing lockfile and exiting.\n"); + _debug("[MASTER] SIG_INT received.\n"); + shutdown(posix_getpid()); + die; } function task_sigint_handler() { + _debug("[TASK] SIG_INT received.\n"); task_shutdown(); - die("[SIGINT] removing lockfile and exiting.\n"); + die; } pcntl_signal(SIGCHLD, 'sigchld_handler'); + $longopts = array("log:", + "tasks:", + "interval:", + "quiet", + "help"); + + $options = getopt("", $longopts); + + if (isset($options["help"]) ) { + print "Tiny Tiny RSS update daemon.\n\n"; + print "Options:\n"; + print " --log FILE - log messages to FILE\n"; + print " --tasks N - amount of update tasks to spawn\n"; + print " default: " . MAX_JOBS . "\n"; + print " --interval N - task spawn interval\n"; + print " default: " . SPAWN_INTERVAL . " seconds.\n"; + print " --quiet - don't output messages to stdout\n"; + return; + } + + define('QUIET', isset($options['quiet'])); + + if (isset($options["tasks"])) { + _debug("Set to spawn " . $options["tasks"] . " children."); + $max_jobs = $options["tasks"]; + } else { + $max_jobs = MAX_JOBS; + } + + if (isset($options["interval"])) { + _debug("Spawn interval: " . $options["interval"] . " seconds."); + $spawn_interval = $options["interval"]; + } else { + $spawn_interval = SPAWN_INTERVAL; + } + + if (isset($options["log"])) { + _debug("Logging to " . $options["log"]); + define('LOGFILE', $options["log"]); + } + if (file_is_locked("update_daemon.lock")) { die("error: Can't create lockfile. ". "Maybe another daemon is already running.\n"); } - if (!pcntl_fork()) { - pcntl_signal(SIGINT, 'sigint_handler'); - register_shutdown_function('shutdown'); - - // Try to lock a file in order to avoid concurrent update. - $lock_handle = make_lockfile("update_daemon.lock"); + // Try to lock a file in order to avoid concurrent update. + $lock_handle = make_lockfile("update_daemon.lock"); - if (!$lock_handle) { - die("error: Can't create lockfile. ". - "Maybe another daemon is already running.\n"); - } - - while (true) { sleep(100); } + if (!$lock_handle) { + die("error: Can't create lockfile. ". + "Maybe another daemon is already running.\n"); } - // Testing database connection. - // It is unnecessary to start the fork loop if database is not ok. - $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); + init_plugins(); - if (!init_connection($link)) return; + $schema_version = get_schema_version(); - db_close($link); + if ($schema_version != SCHEMA_VERSION) { + die("Schema version is wrong, please upgrade the database.\n"); + } while (true) { // Since sleep is interupted by SIGCHLD, we need another way to - // respect the SPAWN_INTERVAL - $next_spawn = $last_checkpoint + SPAWN_INTERVAL - time(); + // respect the spawn interval + $next_spawn = $last_checkpoint + $spawn_interval - time(); - if ($next_spawn % 10 == 0) { + if ($next_spawn % 60 == 0) { $running_jobs = count($children); _debug("[MASTER] active jobs: $running_jobs, next spawn at $next_spawn sec."); } - if ($last_checkpoint + SPAWN_INTERVAL < time()) { + if ($last_checkpoint + $spawn_interval < time()) { + + /* Check if schema version changed */ + + $test_schema_version = get_schema_version(); + + if ($test_schema_version != $schema_version) { + echo "Expected schema version: $schema_version, got: $test_schema_version\n"; + echo "Schema version changed while we were running, bailing out\n"; + exit(100); + } check_ctimes(); reap_children(); - for ($j = count($children); $j < MAX_JOBS; $j++) { + for ($j = count($children); $j < $max_jobs; $j++) { $pid = pcntl_fork(); if ($pid == -1) { die("fork failed!\n"); } else if ($pid) { + + if (!$master_handlers_installed) { + _debug("[MASTER] installing shutdown handlers"); + pcntl_signal(SIGINT, 'sigint_handler'); + register_shutdown_function('shutdown', posix_getpid()); + $master_handlers_installed = true; + } + _debug("[MASTER] spawned client $j [PID:$pid]..."); array_push($children, $pid); $ctimes[$pid] = time(); @@ -167,68 +229,17 @@ register_shutdown_function('task_shutdown'); - $my_pid = posix_getpid(); - $lock_filename = "update_daemon-$my_pid.lock"; - - $lock_handle = make_lockfile($lock_filename); - - if (!$lock_handle) { - die("error: Can't create lockfile ($lock_filename). ". - "Maybe another daemon is already running.\n"); - } - - // ****** Updating RSS code ******* - // Only run in fork process. - - $start_timestamp = time(); - - $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); - - if (!init_connection($link)) return; + $quiet = (isset($options["quiet"])) ? "--quiet" : ""; - // We disable stamp file, since it is of no use in a multiprocess update. - // not really, tho for the time being -fox - if (!make_stampfile('update_daemon.stamp')) { - print "warning: unable to create stampfile"; - } - - // Call to the feed batch update function - // or regenerate feedbrowser cache - - if (rand(0,100) > 30) { - update_daemon_common($link); - } else { - $count = update_feedbrowser_cache($link); - _debug("Feedbrowser updated, $count feeds processed."); - - purge_orphans($link, true); - - $rc = cleanup_tags($link, 14, 50000); - - _debug("Cleaned $rc cached tags."); - - _debug("Updating linked feeds..."); - get_linked_feeds($link); - - } - - _debug("Elapsed time: " . (time() - $start_timestamp) . " second(s)"); + $my_pid = posix_getpid(); - db_close($link); + passthru(PHP_EXECUTABLE . " update.php --daemon-loop $quiet --task $j --pidlock $my_pid"); - // We are in a fork. - // We wait a little before exiting to avoid to be faster than our parent process. sleep(1); - unlink(LOCK_DIRECTORY . "/$lock_filename"); - // We exit in order to avoid fork bombing. exit(0); } - - // We wait a little time before the next fork, in order to let the first fork - // mark the feeds it update : - sleep(1); } $last_checkpoint = time(); }