<?php
/**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
private static $lock_duration = 0;
private static $last_update;
private static $state;
+ private static $daemon_mode = null;
/**
* Processes the tasks that are in the workerqueue table
// We fetch the next queue entry that is about to be executed
while ($r = self::workerProcess()) {
+ if (self::IPCJobsExists(getmypid())) {
+ self::IPCDeleteJobState(getmypid());
+ }
+
// Don't refetch when a worker fetches tasks for multiple workers
$refetched = DI::config()->get('system', 'worker_multiple_fetch');
foreach ($r as $entry) {
if (time() > ($starttime + (DI::config()->get('system', 'cron_interval') * 60))) {
Logger::info('Process lifetime reached, respawning.');
self::unclaimProcess();
- self::spawnWorker();
+ if (self::isDaemonMode()) {
+ self::IPCSetJobState(true);
+ } else {
+ self::spawnWorker();
+ }
return;
}
}
// Cleaning up. Possibly not needed, but it doesn't harm anything.
- if (DI::config()->get('system', 'worker_daemon_mode', false)) {
+ if (self::isDaemonMode()) {
self::IPCSetJobState(false);
}
Logger::info("Couldn't select a workerqueue entry, quitting process", ['pid' => getmypid()]);
Logger::warning('Maximum processes reached, quitting.');
return false;
}
-
+
return true;
}
}
$argv = json_decode($queue['parameter'], true);
+ if (!is_array($argv)) {
+ $argv = [];
+ }
+
if (!empty($queue['command'])) {
array_unshift($argv, $queue['command']);
}
{
$a = DI::app();
+ $cooldown = DI::config()->get("system", "worker_cooldown", 0);
+ if ($cooldown > 0) {
+ Logger::info('Pre execution cooldown.', ['priority' => $queue["priority"], 'id' => $queue["id"], 'cooldown' => $cooldown]);
+ sleep($cooldown);
+ }
+
Logger::enableWorker($funcname);
Logger::info("Process start.", ['priority' => $queue["priority"], 'id' => $queue["id"]]);
$queue['priority'] = PRIORITY_MEDIUM;
}
- $a->queue = $queue;
+ $a->setQueue($queue);
$up_duration = microtime(true) - self::$up_start;
Logger::disableWorker();
- unset($a->queue);
+ $a->setQueue([]);
$duration = (microtime(true) - $stamp);
DI::profiler()->saveLog(DI::logger(), "ID " . $queue["id"] . ": " . $funcname);
- $cooldown = DI::config()->get("system", "worker_cooldown", 0);
-
if ($cooldown > 0) {
- Logger::info('Cooldown.', ['priority' => $queue["priority"], 'id' => $queue["id"], 'cooldown' => $cooldown]);
+ Logger::info('Post execution cooldown.', ['priority' => $queue["priority"], 'id' => $queue["id"], 'cooldown' => $cooldown]);
sleep($cooldown);
}
}
// Are there fewer workers running as possible? Then fork a new one.
if (!DI::config()->get("system", "worker_dont_fork", false) && ($queues > ($active + 1)) && self::entriesExists()) {
Logger::info("There are fewer workers as possible, fork a new worker.", ['active' => $active, 'queues' => $queues]);
- if (DI::config()->get('system', 'worker_daemon_mode', false)) {
+ if (self::isDaemonMode()) {
self::IPCSetJobState(true);
} else {
self::spawnWorker();
}
// if there are too much worker, we don't spawn a new one.
- if (DI::config()->get('system', 'worker_daemon_mode', false) && ($active > $queues)) {
+ if (self::isDaemonMode() && ($active > $queues)) {
self::IPCSetJobState(false);
}
$stamp = (float)microtime(true);
$queues = DBA::p("SELECT `process`.`pid`, COUNT(`workerqueue`.`pid`) AS `entries` FROM `process`
- LEFT JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid` AND NOT `workerqueue`.`done`
+ LEFT JOIN `workerqueue` ON `workerqueue`.`pid` = `process`.`pid` AND NOT `workerqueue`.`done`
GROUP BY `process`.`pid`");
while ($queue = DBA::fetch($queues)) {
$ids[$queue['pid']] = $queue['entries'];
*/
private static function forkProcess(bool $do_cron)
{
+ if (DI::process()->isMinMemoryReached()) {
+ Logger::warning('Memory limit reached - quitting');
+ return;
+ }
+
// Children inherit their parent's database connection.
// To avoid problems we disconnect and connect both parent and child
DBA::disconnect();
} elseif ($pid) {
// The parent process continues here
DBA::connect();
- Logger::info('Spawned new worker', ['cron' => $do_cron, 'pid' => $pid]);
+
+ self::IPCSetJobState(true, $pid);
+ Logger::info('Spawned new worker', ['pid' => $pid]);
+
+ $cycles = 0;
+ while (self::IPCJobsExists($pid) && (++$cycles < 100)) {
+ usleep(10000);
+ }
+
+ Logger::info('Spawned worker is ready', ['pid' => $pid, 'wait_cycles' => $cycles]);
return;
}
-
+
// We now are in the new worker
+ $pid = getmypid();
+
DBA::connect();
- Logger::info('Worker spawned', ['cron' => $do_cron, 'pid' => getmypid()]);
+ /// @todo Reinitialize the logger to set a new process_id and uid
+ DI::process()->setPid($pid);
- DI::process()->start();
+ $cycles = 0;
+ while (!self::IPCJobsExists($pid) && (++$cycles < 100)) {
+ usleep(10000);
+ }
+
+ Logger::info('Worker spawned', ['pid' => $pid, 'wait_cycles' => $cycles]);
self::processQueue($do_cron);
self::unclaimProcess();
+ self::IPCSetJobState(false, $pid);
DI::process()->end();
- Logger::info('Worker ended', ['cron' => $do_cron, 'pid' => getmypid()]);
+ Logger::info('Worker ended', ['pid' => $pid]);
exit();
}
*/
public static function spawnWorker($do_cron = false)
{
- // Worker and daemon are started from the command line.
- // This means that this is executed by a PHP interpreter without runtime limitations
- if (function_exists('pcntl_fork') && in_array(DI::mode()->getExecutor(), [Mode::DAEMON, Mode::WORKER])) {
+ if (self::isDaemonMode() && DI::config()->get('system', 'worker_fork')) {
self::forkProcess($do_cron);
} else {
$process = new Core\Process(DI::logger(), DI::mode(), DI::config(),
DI::modelProcess(), DI::app()->getBasePath(), getmypid());
$process->run('bin/worker.php', ['no_cron' => !$do_cron]);
}
-
- // after spawning we have to remove the flag.
- if (DI::config()->get('system', 'worker_daemon_mode', false)) {
+ if (self::isDaemonMode()) {
self::IPCSetJobState(false);
}
}
* or: Worker::add(PRIORITY_HIGH, "Notifier", Delivery::DELETION, $drop_id);
* or: Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "Delivery", $post_id);
*
- * @return boolean "false" if worker queue entry already existed or there had been an error
+ * @return int "0" if worker queue entry already existed or there had been an error, otherwise the ID of the worker task
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @note $cmd and string args are surrounded with ""
*
$args = func_get_args();
if (!count($args)) {
- return false;
+ return 0;
}
$arr = ['args' => $args, 'run_cmd' => true];
Hook::callAll("proc_run", $arr);
if (!$arr['run_cmd'] || !count($args)) {
- return true;
+ return 1;
}
$priority = PRIORITY_MEDIUM;
$command = array_shift($args);
$parameters = json_encode($args);
$found = DBA::exists('workerqueue', ['command' => $command, 'parameter' => $parameters, 'done' => false]);
- $added = false;
+ $added = 0;
if (!in_array($priority, PRIORITIES)) {
Logger::warning('Invalid priority', ['priority' => $priority, 'command' => $command, 'callstack' => System::callstack(20)]);
// Quit if there was a database error - a precaution for the update process to 3.5.3
if (DBA::errorNo() != 0) {
- return false;
+ return 0;
}
if (!$found) {
- $added = DBA::insert('workerqueue', ['command' => $command, 'parameter' => $parameters, 'created' => $created,
- 'priority' => $priority, 'next_try' => $delayed]);
- if (!$added) {
- return false;
+ if (!DBA::insert('workerqueue', ['command' => $command, 'parameter' => $parameters, 'created' => $created,
+ 'priority' => $priority, 'next_try' => $delayed])) {
+ return 0;
}
+ $added = DBA::lastInsertId();
} elseif ($force_priority) {
DBA::update('workerqueue', ['priority' => $priority], ['command' => $command, 'parameter' => $parameters, 'done' => false, 'pid' => 0]);
}
// Set the IPC flag to ensure an immediate process execution via daemon
- if (DI::config()->get('system', 'worker_daemon_mode', false)) {
+ if (self::isDaemonMode()) {
self::IPCSetJobState(true);
}
}
// Quit on daemon mode
- if (DI::config()->get('system', 'worker_daemon_mode', false)) {
+ if (self::isDaemonMode()) {
return $added;
}
*/
public static function defer()
{
- if (empty(DI::app()->queue)) {
+ $queue = DI::app()->getQueue();
+
+ if (empty($queue)) {
return false;
}
- $queue = DI::app()->queue;
-
$retrial = $queue['retrial'];
$id = $queue['id'];
$priority = $queue['priority'];
* Set the flag if some job is waiting
*
* @param boolean $jobs Is there a waiting job?
+ * @param int $key Key number
* @throws \Exception
*/
- public static function IPCSetJobState($jobs)
+ public static function IPCSetJobState(bool $jobs, int $key = 0)
{
$stamp = (float)microtime(true);
- DBA::update('worker-ipc', ['jobs' => $jobs], ['key' => 1], true);
+ DBA::replace('worker-ipc', ['jobs' => $jobs, 'key' => $key]);
+ self::$db_duration += (microtime(true) - $stamp);
+ self::$db_duration_write += (microtime(true) - $stamp);
+ }
+
+ /**
+ * Delete a key entry
+ *
+ * @param int $key Key number
+ * @throws \Exception
+ */
+ public static function IPCDeleteJobState(int $key)
+ {
+ $stamp = (float)microtime(true);
+ DBA::delete('worker-ipc', ['key' => $key]);
self::$db_duration += (microtime(true) - $stamp);
self::$db_duration_write += (microtime(true) - $stamp);
}
/**
* Checks if some worker job waits to be executed
*
+ * @param int $key Key number
* @return bool
* @throws \Exception
*/
- public static function IPCJobsExists()
+ public static function IPCJobsExists(int $key = 0)
{
$stamp = (float)microtime(true);
- $row = DBA::selectFirst('worker-ipc', ['jobs'], ['key' => 1]);
+ $row = DBA::selectFirst('worker-ipc', ['jobs'], ['key' => $key]);
self::$db_duration += (microtime(true) - $stamp);
// When we don't have a row, no job is running
return (bool)$row['jobs'];
}
+ /**
+ * Checks if the worker is running in the daemon mode.
+ *
+ * @return boolean
+ */
+ public static function isDaemonMode()
+ {
+ if (!is_null(self::$daemon_mode)) {
+ return self::$daemon_mode;
+ }
+
+ if (DI::mode()->getExecutor() == Mode::DAEMON) {
+ return true;
+ }
+
+ $daemon_mode = DI::config()->get('system', 'worker_daemon_mode', false, true);
+ if ($daemon_mode) {
+ return $daemon_mode;
+ }
+
+ if (!function_exists('pcntl_fork')) {
+ self::$daemon_mode = false;
+ return false;
+ }
+
+ $pidfile = DI::config()->get('system', 'pidfile');
+ if (empty($pidfile)) {
+ // No pid file, no daemon
+ self::$daemon_mode = false;
+ return false;
+ }
+
+ if (!is_readable($pidfile)) {
+ // No pid file. We assume that the daemon had been intentionally stopped.
+ self::$daemon_mode = false;
+ return false;
+ }
+
+ $pid = intval(file_get_contents($pidfile));
+ $running = posix_kill($pid, 0);
+
+ self::$daemon_mode = $running;
+ return $running;
+ }
+
/**
* Test if the daemon is running. If not, it will be started
*
} else {
Logger::info('We are outside the maintenance window', ['current' => date('H:i:s', $current), 'start' => date('H:i:s', $start), 'end' => date('H:i:s', $end)]);
}
-
+
return $execute;
}
}
projects / friendica.git / blobdiff