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;
}
{
$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"]]);
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 > $queues)) {
self::IPCSetJobState(false);
}
self::$db_duration_write += (microtime(true) - $stamp);
}
- /**
- * Call the front end worker
- *
- * @return void
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
- */
- public static function callWorker()
- {
- if (!DI::config()->get("system", "frontend_worker")) {
- return;
- }
-
- $url = DI::baseUrl() . '/worker';
- DI::httpRequest()->fetch($url, 1);
- }
-
- /**
- * Call the front end worker if there aren't any active
- *
- * @return void
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
- */
- public static function executeIfIdle()
- {
- self::checkDaemonState();
-
- if (!DI::config()->get("system", "frontend_worker")) {
- return;
- }
-
- // Do we have "proc_open"? Then we can fork the worker
- if (function_exists("proc_open")) {
- // When was the last time that we called the worker?
- // Less than one minute? Then we quit
- if ((time() - DI::config()->get("system", "worker_started")) < 60) {
- return;
- }
-
- DI::config()->set("system", "worker_started", time());
-
- // Do we have enough running workers? Then we quit here.
- if (self::tooMuchWorkers()) {
- // Cleaning dead processes
- self::killStaleWorkers();
- DI::modelProcess()->deleteInactive();
-
- return;
- }
-
- self::runCron();
-
- Logger::info('Call worker');
- self::spawnWorker();
- return;
- }
-
- // We cannot execute background processes.
- // We now run the processes from the frontend.
- // This won't work with long running processes.
- self::runCron();
-
- self::clearProcesses();
-
- $workers = self::activeWorkers();
-
- if ($workers == 0) {
- self::callWorker();
- }
- }
-
- /**
- * Removes long running worker processes
- *
- * @return void
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
- */
- public static function clearProcesses()
- {
- $timeout = DI::config()->get("system", "frontend_worker_timeout", 10);
-
- /// @todo We should clean up the corresponding workerqueue entries as well
- $stamp = (float)microtime(true);
- $condition = ["`created` < ? AND `command` = 'worker.php'",
- DateTimeFormat::utc("now - ".$timeout." minutes")];
- DBA::delete('process', $condition);
- self::$db_duration = (microtime(true) - $stamp);
- self::$db_duration_write += (microtime(true) - $stamp);
- }
-
/**
* Runs the cron processes
*
*/
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 (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);
}
}
}
// 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;
}
* 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(bool $jobs, int $key = 0)
+ {
+ $stamp = (float)microtime(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 $key Key number
* @throws \Exception
*/
- public static function IPCSetJobState($jobs)
+ public static function IPCDeleteJobState(int $key)
{
$stamp = (float)microtime(true);
- DBA::update('worker-ipc', ['jobs' => $jobs], ['key' => 1], 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
*
projects / friendica.git / blobdiff