#!/usr/bin/env php
<?php
/**
- * @file bin/daemon.php
- * @brief Run the worker from a daemon.
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Run the worker from a daemon.
*
* This script was taken from http://php.net/manual/en/function.pcntl-fork.php
*/
+if (php_sapi_name() !== 'cli') {
+ header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
+ exit();
+}
-use Friendica\App;
-use Friendica\BaseObject;
-use Friendica\Core\Config;
+use Dice\Dice;
+use Friendica\App\Mode;
+use Friendica\Core\Logger;
use Friendica\Core\Worker;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Util\DateTimeFormat;
+use Psr\Log\LoggerInterface;
+
+// Get options
+$shortopts = 'f';
+$longopts = ['foreground'];
+$options = getopt($shortopts, $longopts);
// Ensure that daemon.php is executed from the base path of the installation
-if (!file_exists("boot.php") && (sizeof($_SERVER["argv"]) != 0)) {
- $directory = dirname($_SERVER["argv"][0]);
+if (!file_exists('boot.php') && (sizeof($_SERVER['argv']) != 0)) {
+ $directory = dirname($_SERVER['argv'][0]);
- if (substr($directory, 0, 1) != "/") {
- $directory = $_SERVER["PWD"]."/".$directory;
+ if (substr($directory, 0, 1) != '/') {
+ $directory = $_SERVER['PWD'] . '/' . $directory;
}
- $directory = realpath($directory."/..");
+ $directory = realpath($directory . '/..');
chdir($directory);
}
-require_once "boot.php";
-require_once "include/dba.php";
+require dirname(__DIR__) . '/vendor/autoload.php';
-$a = new App(dirname(__DIR__));
-BaseObject::setApp($a);
+$dice = (new Dice())->addRules(include __DIR__ . '/../static/dependencies.config.php');
+$dice = $dice->addRule(LoggerInterface::class,['constructParams' => ['daemon']]);
-require_once ".htconfig.php";
-dba::connect($db_host, $db_user, $db_pass, $db_data);
+DI::init($dice);
+\Friendica\Core\Logger\Handler\ErrorHandler::register($dice->create(\Psr\Log\LoggerInterface::class));
+$a = DI::app();
+
+if (DI::mode()->isInstall()) {
+ die("Friendica isn't properly installed yet.\n");
+}
-Config::load();
+DI::mode()->setExecutor(Mode::DAEMON);
-if (!isset($pidfile)) {
- die('Please specify a pid file in the variable $pidfile in the .htconfig.php. For example:'."\n".
- '$pidfile = "/path/to/daemon.pid";'."\n");
+DI::config()->load();
+
+if (empty(DI::config()->get('system', 'pidfile'))) {
+ die(<<<TXT
+Please set system.pidfile in config/local.config.php. For example:
+
+ 'system' => [
+ 'pidfile' => '/path/to/daemon.pid',
+ ],
+TXT
+ );
}
-if (in_array("start", $_SERVER["argv"])) {
- $mode = "start";
+$pidfile = DI::config()->get('system', 'pidfile');
+
+if (in_array('start', $_SERVER['argv'])) {
+ $mode = 'start';
}
-if (in_array("stop", $_SERVER["argv"])) {
- $mode = "stop";
+if (in_array('stop', $_SERVER['argv'])) {
+ $mode = 'stop';
}
-if (in_array("status", $_SERVER["argv"])) {
- $mode = "status";
+if (in_array('status', $_SERVER['argv'])) {
+ $mode = 'status';
}
+$foreground = array_key_exists('f', $options) || array_key_exists('foreground', $options);
+
if (!isset($mode)) {
die("Please use either 'start', 'stop' or 'status'.\n");
}
-if (empty($_SERVER["argv"][0])) {
+if (empty($_SERVER['argv'][0])) {
die("Unexpected script behaviour. This message should never occur.\n");
}
-$pid = @file_get_contents($pidfile);
+$pid = null;
-if (empty($pid) && in_array($mode, ["stop", "status"])) {
- Config::set('system', 'worker_daemon_mode', false);
+if (is_readable($pidfile)) {
+ $pid = intval(file_get_contents($pidfile));
+}
+
+if (empty($pid) && in_array($mode, ['stop', 'status'])) {
+ DI::config()->set('system', 'worker_daemon_mode', false);
die("Pidfile wasn't found. Is the daemon running?\n");
}
-if ($mode == "status") {
+if ($mode == 'status') {
if (posix_kill($pid, 0)) {
die("Daemon process $pid is running.\n");
}
unlink($pidfile);
- Config::set('system', 'worker_daemon_mode', false);
+ DI::config()->set('system', 'worker_daemon_mode', false);
die("Daemon process $pid isn't running.\n");
}
-if ($mode == "stop") {
+if ($mode == 'stop') {
posix_kill($pid, SIGTERM);
unlink($pidfile);
- logger("Worker daemon process $pid was killed.", LOGGER_DEBUG);
+ Logger::notice('Worker daemon process was killed', ['pid' => $pid]);
- Config::set('system', 'worker_daemon_mode', false);
+ DI::config()->set('system', 'worker_daemon_mode', false);
die("Worker daemon process $pid was killed.\n");
}
die("Daemon process $pid is already running.\n");
}
-logger('Starting worker daemon.', LOGGER_DEBUG);
-echo "Starting worker daemon.\n";
+Logger::notice('Starting worker daemon.', ['pid' => $pid]);
-// Switch over to daemon mode.
-if ($pid = pcntl_fork()) {
- return; // Parent
-}
+if (!$foreground) {
+ echo "Starting worker daemon.\n";
+
+ DBA::disconnect();
-fclose(STDIN); // Close all of the standard
-fclose(STDOUT); // file descriptors as we
-fclose(STDERR); // are running as a daemon.
+ // Fork a daemon process
+ $pid = pcntl_fork();
+ if ($pid == -1) {
+ echo "Daemon couldn't be forked.\n";
+ Logger::warning('Could not fork daemon');
+ exit(1);
+ } elseif ($pid) {
+ // The parent process continues here
+ echo 'Child process started with pid ' . $pid . ".\n";
+ Logger::notice('Child process started', ['pid' => $pid]);
+ file_put_contents($pidfile, $pid);
+ exit(0);
+ }
-dba::disconnect();
+ // We now are in the child process
+ register_shutdown_function('shutdown');
-register_shutdown_function('shutdown');
+ // Make the child the main process, detach it from the terminal
+ if (posix_setsid() < 0) {
+ return;
+ }
-if (posix_setsid() < 0) {
- return;
-}
+ // Closing all existing connections with the outside
+ fclose(STDIN);
-if ($pid = pcntl_fork()) {
- return; // Parent
+ // And now connect the database again
+ DBA::connect();
}
-// We lose the database connection upon forking
-dba::connect($db_host, $db_user, $db_pass, $db_data);
-
-Config::set('system', 'worker_daemon_mode', true);
+DI::config()->set('system', 'worker_daemon_mode', true);
// Just to be sure that this script really runs endlessly
set_time_limit(0);
-$pid = getmypid();
-file_put_contents($pidfile, $pid);
-
-$wait_interval = intval(Config::get('system', 'cron_interval', 5)) * 60;
+$wait_interval = intval(DI::config()->get('system', 'cron_interval', 5)) * 60;
$do_cron = true;
$last_cron = 0;
// Now running as a daemon.
while (true) {
if (!$do_cron && ($last_cron + $wait_interval) < time()) {
- logger('Forcing cron worker call.', LOGGER_DEBUG);
+ Logger::info('Forcing cron worker call.', ['pid' => $pid]);
$do_cron = true;
}
- Worker::spawnWorker($do_cron);
+ if ($do_cron || (!DI::system()->isMaxLoadReached() && Worker::entriesExists() && Worker::isReady())) {
+ Worker::spawnWorker($do_cron);
+ } else {
+ Logger::info('Cool down for 5 seconds', ['pid' => $pid]);
+ sleep(5);
+ }
if ($do_cron) {
- // We force a disconnect and reconnect of the database connection.
+ // We force a reconnect of the database connection.
// This is done to ensure that the connection don't get lost over time.
- dba::disconnect();
- dba::connect($db_host, $db_user, $db_pass, $db_data);
+ DBA::reconnect();
$last_cron = time();
}
- logger("Sleeping", LOGGER_DEBUG);
- $i = 0;
+ $start = time();
+ Logger::info('Sleeping', ['pid' => $pid, 'until' => gmdate(DateTimeFormat::MYSQL, $start + $wait_interval)]);
+
do {
- sleep(1);
- } while (($i++ < $wait_interval) && !Worker::IPCJobsExists());
+ $seconds = (time() - $start);
+
+ // logarithmic wait time calculation.
+ // Background: After jobs had been started, they often fork many workers.
+ // To not waste too much time, the sleep period increases.
+ $arg = (($seconds + 1) / ($wait_interval / 9)) + 1;
+ $sleep = min(1000000, round(log10($arg) * 1000000, 0));
+ usleep($sleep);
+
+ $pid = pcntl_waitpid(-1, $status, WNOHANG);
+ if ($pid > 0) {
+ Logger::info('Children quit via pcntl_waitpid', ['pid' => $pid, 'status' => $status]);
+ }
+
+ $timeout = ($seconds >= $wait_interval);
+ } while (!$timeout && !Worker\IPC::JobsExists());
- if ($i >= $wait_interval) {
+ if ($timeout) {
$do_cron = true;
- logger("Woke up after $wait_interval seconds.", LOGGER_DEBUG);
+ Logger::info('Woke up after $wait_interval seconds.', ['pid' => $pid, 'sleep' => $wait_interval]);
} else {
$do_cron = false;
- logger("Worker jobs are calling to be forked.", LOGGER_DEBUG);
+ Logger::info('Worker jobs are calling to be forked.', ['pid' => $pid]);
}
}