mirror of
https://git.sekbaer.de/Friendica/friendica.git
synced 2025-06-08 08:14:25 +02:00
256 lines
7 KiB
PHP
256 lines
7 KiB
PHP
<?php
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// Copyright (C) 2010-2024, the Friendica project
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// SPDX-FileCopyrightText: 2010-2024 the Friendica project
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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declare(strict_types=1);
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namespace Friendica\Console;
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use Friendica\App\Mode;
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use Friendica\Core\Config\Capability\IManageConfigValues;
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use Asika\SimpleConsole\Console;
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use Friendica\Core\KeyValueStorage\Capability\IManageKeyValuePairs;
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use Friendica\Core\System;
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use Friendica\Core\Update;
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use Friendica\Core\Worker;
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use Friendica\Database\Database;
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use Friendica\Util\BasePath;
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use Friendica\Util\DateTimeFormat;
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use Psr\Log\LoggerInterface;
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use RuntimeException;
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/**
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* Console command for interacting with the daemon
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*/
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final class Daemon extends Console
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{
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private Mode $mode;
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private IManageConfigValues $config;
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private IManageKeyValuePairs $keyValue;
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private BasePath $basePath;
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private System $system;
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private LoggerInterface $logger;
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private Database $dba;
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/**
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* @param Mode $mode
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* @param IManageConfigValues $config
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* @param IManageKeyValuePairs $keyValue
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* @param BasePath $basePath
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* @param System $system
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* @param LoggerInterface $logger
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* @param Database $dba
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* @param array|null $argv
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*/
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public function __construct(Mode $mode, IManageConfigValues $config, IManageKeyValuePairs $keyValue, BasePath $basePath, System $system, LoggerInterface $logger, Database $dba, array $argv = null)
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{
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parent::__construct($argv);
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$this->mode = $mode;
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$this->config = $config;
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$this->keyValue = $keyValue;
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$this->basePath = $basePath;
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$this->system = $system;
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$this->logger = $logger;
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$this->dba = $dba;
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}
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protected function getHelp(): string
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{
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return <<<HELP
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Daemon - Interacting with the Friendica daemons
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Synopsis
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bin/console daemon [-h|--help|-?] [-v] [-a] [-f]
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Description
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Interacting with the Friendica daemons
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Options
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-h|--help|-? Show help information
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-v Show more debug information.
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-f|--foreground Runs the daemon in the forgeground
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Examples
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bin/console daemon start -f
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Starts the daemon in the foreground
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bin/console daemon status
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Gets the status of the daemon
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HELP;
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}
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protected function doExecute()
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{
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if ($this->mode->isInstall()) {
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throw new RuntimeException("Friendica isn't properly installed yet");
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}
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$this->mode->setExecutor(Mode::DAEMON);
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$this->config->reload();
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if (empty($this->config->get('system', 'pidfile'))) {
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throw new RuntimeException(<<< TXT
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Please set system.pidfile in config/local.config.php. For example:
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'system' => [
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'pidfile' => '/path/to/daemon.pid',
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],
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TXT);
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}
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$pidfile = $this->config->get('system', 'pidfile');
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$daemonMode = $this->getArgument(0);
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$foreground = $this->getOption(['f', 'foreground']);
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if (empty($daemonMode)) {
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throw new RuntimeException("Please use either 'start', 'stop' or 'status'");
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}
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$pid = null;
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if (is_readable($pidfile)) {
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$pid = intval(file_get_contents($pidfile));
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}
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if (empty($pid) && in_array($daemonMode, ['stop', 'status'])) {
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$this->keyValue->set('worker_daemon_mode', false);
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throw new RuntimeException("Pidfile wasn't found. Is the daemon running?");
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}
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if ($daemonMode == 'status') {
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if (posix_kill($pid, 0)) {
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$this->out("Daemon process $pid is running");
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return 0;
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}
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unlink($pidfile);
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$this->keyValue->set('worker_daemon_mode', false);
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$this->out("Daemon process $pid isn't running.");
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return 0;
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}
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if ($daemonMode == 'stop') {
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posix_kill($pid, SIGTERM);
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unlink($pidfile);
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$this->logger->notice('Worker daemon process was killed', ['pid' => $pid]);
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$this->keyValue->set('worker_daemon_mode', false);
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$this->out("Daemon process $pid was killed.");
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return 0;
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}
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$this->logger->notice('Starting worker daemon', ['pid' => $pid]);
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if (!$foreground) {
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$this->out("Starting worker daemon");
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$this->dba->disconnect();
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// Fork a daemon process
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$pid = pcntl_fork();
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if ($pid == -1) {
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$this->logger->warning('Could not fork daemon');
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throw new RuntimeException("Daemon couldn't be forked");
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} elseif ($pid) {
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// The parent process continues here
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if (!file_put_contents($pidfile, $pid)) {
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posix_kill($pid, SIGTERM);
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$this->logger->warning('Could not store pid file');
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throw new RuntimeException("Pid file wasn't written");
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}
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$this->out("Child process started with pid $pid");
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$this->logger->notice('Child process started', ['pid' => $pid]);
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return 0;
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}
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// We now are in the child process
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register_shutdown_function(function () {
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posix_kill(posix_getpid(), SIGTERM);
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posix_kill(posix_getpid(), SIGHUP);
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});
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// Make the child the main process, detach it from the terminal
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if (posix_setsid() < 0) {
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return 0;
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}
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// Closing all existing connections with the outside
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fclose(STDIN);
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// And now connect the database again
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$this->dba->connect();
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}
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$this->keyValue->set('worker_daemon_mode', true);
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// Just to be sure that this script really runs endlessly
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set_time_limit(0);
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$wait_interval = intval($this->config->get('system', 'cron_interval', 5)) * 60;
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$do_cron = true;
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$last_cron = 0;
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$path = $this->basePath->getPath();
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// Now running as a daemon.
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while (true) {
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// Check the database structure and possibly fixes it
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Update::check($path, true);
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if (!$do_cron && ($last_cron + $wait_interval) < time()) {
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$this->logger->info('Forcing cron worker call.', ['pid' => $pid]);
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$do_cron = true;
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}
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if ($do_cron || (!$this->system->isMaxLoadReached() && Worker::entriesExists() && Worker::isReady())) {
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Worker::spawnWorker($do_cron);
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} else {
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$this->logger->info('Cool down for 5 seconds', ['pid' => $pid]);
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sleep(5);
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}
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if ($do_cron) {
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// We force a reconnect of the database connection.
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// This is done to ensure that the connection don't get lost over time.
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$this->dba->reconnect();
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$last_cron = time();
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}
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$start = time();
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$this->logger->info('Sleeping', ['pid' => $pid, 'until' => gmdate(DateTimeFormat::MYSQL, $start + $wait_interval)]);
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do {
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$seconds = (time() - $start);
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// logarithmic wait time calculation.
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// Background: After jobs had been started, they often fork many workers.
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// To not waste too much time, the sleep period increases.
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$arg = (($seconds + 1) / ($wait_interval / 9)) + 1;
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$sleep = min(1000000, round(log10($arg) * 1000000, 0));
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usleep((int)$sleep);
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$pid = pcntl_waitpid(-1, $status, WNOHANG);
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if ($pid > 0) {
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$this->logger->info('Children quit via pcntl_waitpid', ['pid' => $pid, 'status' => $status]);
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}
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$timeout = ($seconds >= $wait_interval);
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} while (!$timeout && !Worker\IPC::JobsExists());
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if ($timeout) {
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$do_cron = true;
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$this->logger->info('Woke up after $wait_interval seconds.', ['pid' => $pid, 'sleep' => $wait_interval]);
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} else {
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$do_cron = false;
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$this->logger->info('Worker jobs are calling to be forked.', ['pid' => $pid]);
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}
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}
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}
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}
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