define('DISABLE_SESSIONS', true);
require_once "version.php";
- require_once "config.php";
require_once "autoload.php";
require_once "functions.php";
+ require_once "config.php";
// defaults
define_default('PURGE_INTERVAL', 3600); // seconds
define_default('MAX_CHILD_RUNTIME', 1800); // seconds
define_default('MAX_JOBS', 2);
define_default('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL); // seconds
- define_default('DAEMON_FEED_LIMIT', 250);
- require_once "rssfuncs.php";
require_once "sanity_check.php";
require_once "db.php";
require_once "db-prefs.php";
-
if (!function_exists('pcntl_fork')) {
die("error: This script requires PHP compiled with PCNTL module.\n");
}
+ $options = getopt("");
+
+ if (!is_array($options)) {
+ die("error: getopt() failed. ".
+ "Most probably you are using PHP CGI to run this script ".
+ "instead of required PHP CLI. Check tt-rss wiki page on updating feeds for ".
+ "additional information.\n");
+ }
+
+
$master_handlers_installed = false;
$children = array();
$last_checkpoint = -1;
+ /**
+ * @SuppressWarnings(unused)
+ */
function reap_children() {
global $children;
global $ctimes;
if (file_is_locked("update_daemon-$pid.lock")) {
array_push($tmp, $pid);
} else {
- _debug("[reap_children] child $pid seems active but lockfile is unlocked.");
+ Debug::log("[reap_children] child $pid seems active but lockfile is unlocked.");
unset($ctimes[$pid]);
}
} else {
- _debug("[reap_children] child $pid reaped.");
+ Debug::log("[reap_children] child $pid reaped.");
unset($ctimes[$pid]);
}
}
$started = $ctimes[$pid];
if (time() - $started > MAX_CHILD_RUNTIME) {
- _debug("[MASTER] child process $pid seems to be stuck, aborting...");
+ Debug::log("[MASTER] child process $pid seems to be stuck, aborting...");
posix_kill($pid, SIGKILL);
}
}
}
+ /**
+ * @SuppressWarnings(unused)
+ */
function sigchld_handler($signal) {
$running_jobs = reap_children();
- _debug("[SIGCHLD] jobs left: $running_jobs");
+ Debug::log("[SIGCHLD] jobs left: $running_jobs");
pcntl_waitpid(-1, $status, WNOHANG);
}
function shutdown($caller_pid) {
if ($caller_pid == posix_getpid()) {
if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
- _debug("removing lockfile (master)...");
+ Debug::log("removing lockfile (master)...");
unlink(LOCK_DIRECTORY . "/update_daemon.lock");
}
}
$pid = posix_getpid();
if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock")) {
- _debug("removing lockfile ($pid)...");
+ Debug::log("removing lockfile ($pid)...");
unlink(LOCK_DIRECTORY . "/update_daemon-$pid.lock");
}
}
function sigint_handler() {
- _debug("[MASTER] SIG_INT received.\n");
+ Debug::log("[MASTER] SIG_INT received.\n");
shutdown(posix_getpid());
die;
}
function task_sigint_handler() {
- _debug("[TASK] SIG_INT received.\n");
+ Debug::log("[TASK] SIG_INT received.\n");
task_shutdown();
die;
}
pcntl_signal(SIGCHLD, 'sigchld_handler');
$longopts = array("log:",
+ "log-level:",
"tasks:",
"interval:",
"quiet",
print "Tiny Tiny RSS update daemon.\n\n";
print "Options:\n";
print " --log FILE - log messages to FILE\n";
+ print " --log-level N - log verbosity level\n";
print " --tasks N - amount of update tasks to spawn\n";
print " default: " . MAX_JOBS . "\n";
print " --interval N - task spawn interval\n";
return;
}
- define('QUIET', isset($options['quiet']));
+ Debug::set_enabled(true);
+ Debug::set_quiet(isset($options['quiet']));
+
+ if (isset($options["log-level"])) {
+ Debug::set_loglevel((int)$options["log-level"]);
+ }
+
+ if (isset($options["log"])) {
+ Debug::set_logfile($options["log"]);
+ Debug::log("Logging to " . $options["log"]);
+ }
if (isset($options["tasks"])) {
- _debug("Set to spawn " . $options["tasks"] . " children.");
+ Debug::log("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.");
+ Debug::log("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"]);
- }
+ // let's enforce a minimum spawn interval as to not forkbomb the host
+ $spawn_interval = max(60, $spawn_interval);
+ Debug::log("Spawn interval: $spawn_interval sec");
if (file_is_locked("update_daemon.lock")) {
die("error: Can't create lockfile. ".
"Maybe another daemon is already running.\n");
}
- init_plugins();
-
$schema_version = get_schema_version();
if ($schema_version != SCHEMA_VERSION) {
die("Schema version is wrong, please upgrade the database.\n");
}
+ // Protip: children close shared database handle when terminating, it's a bad idea to
+ // do database stuff on main process from now on.
+
while (true) {
// Since sleep is interupted by SIGCHLD, we need another way to
if ($next_spawn % 60 == 0) {
$running_jobs = count($children);
- _debug("[MASTER] active jobs: $running_jobs, next spawn at $next_spawn sec.");
+ Debug::log("[MASTER] active jobs: $running_jobs, next spawn at $next_spawn sec.");
}
if ($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: $test_schema_version\n";
- echo "Schema version changed while we were running, bailing out\n";
- exit(100);
- }
-
check_ctimes();
reap_children();
} else if ($pid) {
if (!$master_handlers_installed) {
- _debug("[MASTER] installing shutdown handlers");
+ Debug::log("[MASTER] installing shutdown handlers");
pcntl_signal(SIGINT, 'sigint_handler');
+ pcntl_signal(SIGTERM, 'sigint_handler');
register_shutdown_function('shutdown', posix_getpid());
$master_handlers_installed = true;
}
- _debug("[MASTER] spawned client $j [PID:$pid]...");
+ Debug::log("[MASTER] spawned client $j [PID:$pid]...");
array_push($children, $pid);
$ctimes[$pid] = time();
} else {
register_shutdown_function('task_shutdown');
$quiet = (isset($options["quiet"])) ? "--quiet" : "";
+ $log = function_exists("flock") && isset($options['log']) ? '--log '.$options['log'] : '';
$my_pid = posix_getpid();
- passthru(PHP_EXECUTABLE . " update.php --daemon-loop $quiet --task $j --pidlock $my_pid");
+ passthru(PHP_EXECUTABLE . " update.php --daemon-loop $quiet $log --task $j --pidlock $my_pid");
sleep(1);
git.wh0rd.org / tt-rss.git / blobdiff