WorkerManager::setOptions() - Code Metrics - Inspection of "v3.0.0" - gyselroth/mongodb-php-task-scheduler - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#7)

by Raffael

created 2018-11-19 16:26 UTC

WorkerManager::setOptions() B

↳ Parent: WorkerManager

Complexity

Conditions	8
Paths	12

Size

Total Lines	31
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	17
CRAP Score	8

Importance

Changes

Metric	Value
eloc	18
dl	0
loc	31
ccs	17
cts	17
cp	1
rs	8.4444
c	0
b	0
f	0
cc	8
nc	12
nop	1
crap	8

<?php

declare(strict_types=1);

/**
 * TaskScheduler
 *
 * @author      Raffael Sahli <[email protected]>
 * @copyright   Copryright (c) 2017-2018 gyselroth GmbH (https://gyselroth.com)
 * @license     MIT https://opensource.org/licenses/MIT
 */

namespace TaskScheduler;

use MongoDB\BSON\ObjectId;
use MongoDB\Database;
use Psr\Log\LoggerInterface;
use TaskScheduler\Exception\InvalidArgumentException;
use TaskScheduler\Exception\SpawnForkException;

class WorkerManager
{
    use InjectTrait;

    /**
     * Queue options.
     */
    public const OPTION_PM = 'pm';
    public const OPTION_MAX_CHILDREN = 'max_children';
    public const OPTION_MIN_CHILDREN = 'min_children';

    /**
     * Process handling.
     */
    public const PM_DYNAMIC = 'dynamic';
    public const PM_STATIC = 'static';
    public const PM_ONDEMAND = 'ondemand';

    /**
     * Fork handler actions.
     */
    public const TYPE_JOB = 1;
    public const TYPE_EVENT = 2;

    /**
     * Process management.
     *
     * @var string
     */
    protected $pm = self::PM_DYNAMIC;

    /**
     * Scheduler.
     *
     * @var Scheduler
     */
    protected $scheduler;

    /**
     * Database.
     *
     * @var Database
     */
    protected $db;

    /**
     * Logger.
     *
     * @var LoggerInterface
     */
    protected $logger;

    /**
     * Max children.
     *
     * @var int
     */
    protected $max_children = 2;

    /**
     * Min children.
     *
     * @var int
     */
    protected $min_children = 1;

    /**
     * Forks.
     *
     * @var array
     */
    protected $forks = [];

    /**
     * Worker/Job mapping.
     *
     * @var array
     */
    protected $job_map = [];

    /**
     * Queue (Communication between TaskScheduler\Queue and TaskScheduler\WorkerManager).
     *
     * @var resource
     */
    protected $queue;

    /**
     * Hold queue.
     *
     * @var array
     */
    protected $onhold = [];

    /**
     * Init queue.
     */
    public function __construct(WorkerFactoryInterface $factory, LoggerInterface $logger, array $config = [])
    {
        $this->logger = $logger;
        $this->setOptions($config);
        $this->factory = $factory;

    }

    /**
     * Set options.
     */
    public function setOptions(array $config = []): self
    {
        foreach ($config as $option => $value) {
            switch ($option) {
                case self::OPTION_MAX_CHILDREN:
                case self::OPTION_MIN_CHILDREN:
                    if (!is_int($value)) {
                        throw new InvalidArgumentException($option.' needs to be an integer');
                    }

                    $this->{$option} = $value;

                break;
                case self::OPTION_PM:
                    if (!defined('self::PM_'.strtoupper($value))) {
                        throw new InvalidArgumentException($value.' is not a valid process handling type (static, dynamic, ondemand)');
                    }

                    $this->{$option} = $value;

                break;
                default:
                    throw new InvalidArgumentException('invalid option '.$option.' given');
            }
        }

        if ($this->min_children > $this->max_children) {
            throw new InvalidArgumentException('option min_children must not be greater than option max_children');
        }

        return $this;
    }

    /**
     * Startup (blocking process).
     */
    public function process(): void
    {
        $this->queue = msg_get_queue(ftok(__DIR__.DIRECTORY_SEPARATOR.'Queue.php', 't'));
        $this->catchSignal();
        $this->spawnInitialWorkers();
        $this->main();
    }

    /**
     * Wait for child and terminate.
     */
    public function exitWorker(int $sig, array $pid): self
    {
        $this->logger->debug('worker ['.$pid['pid'].'] exit with ['.$sig.']', [
            'category' => get_class($this),
        ]);

        pcntl_waitpid($pid['pid'], $status, WNOHANG | WUNTRACED);

        foreach ($this->forks as $id => $process) {
            if ($process === $pid['pid']) {
                unset($this->forks[$id]);

                if (isset($this->job_map[$id])) {
                    unset($this->job_map[$id]);
                }
            }
        }

        return $this;
    }

    /**
     * Count children.
     */
    public function count(): int
    {
        return count($this->forks);
    }

    /**
     * Cleanup.
     */
    public function cleanup(int $sig): void
    {
        $this->logger->debug('received signal ['.$sig.']', [
            'category' => get_class($this),
        ]);

        foreach ($this->getForks() as $id => $pid) {
            $this->logger->debug('forward signal ['.$sig.'] to worker ['.$id.'] running with pid ['.$pid.']', [
                'category' => get_class($this),
            ]);

            posix_kill($pid, $sig);
        }

        $this->exit();
    }

    /**
     * Start initial workers.
     */
    protected function spawnInitialWorkers()
    {
        $this->logger->debug('spawn initial ['.$this->min_children.'] workers', [
            'category' => get_class($this),
        ]);

        if (self::PM_DYNAMIC === $this->pm || self::PM_STATIC === $this->pm) {
            for ($i = $this->count(); $i < $this->min_children; ++$i) {
                $this->spawnWorker();
            }
        }
    }

    /**
     * Start worker.
     *
     * @see https://github.com/mongodb/mongo-php-driver/issues/828
     * @see https://github.com/mongodb/mongo-php-driver/issues/174
     */
    protected function spawnWorker(?ObjectId $job = null)
    {
        $this->logger->debug('spawn new worker', [
            'category' => get_class($this),
        ]);

        $id = new ObjectId();
        $pid = pcntl_fork();

        if (-1 === $pid) {
            throw new SpawnForkException('failed to spawn new worker');
        }

        if (!$pid) {
            $worker = $this->factory->buildWorker($id);

            if (null === $job) {
                $worker->processAll();
            } else {
                $worker->processOne($job);
            }

            exit();

        }

        $this->forks[(string) $id] = $pid;
        $this->logger->debug('spawned worker ['.$id.'] with pid ['.$pid.']', [
            'category' => get_class($this),
        ]);

        return $pid;
    }

    /**
     * Get forks (array of pid's).
     */
    protected function getForks(): array
    {
        return $this->forks;
    }

    /**
     * Main.
     */
    protected function main(): void
    {
        while ($this->loop()) {
            if (count($this->onhold) > 0 || !$this->loop()) {
                $wait = MSG_IPC_NOWAIT;
                usleep(200);
                $this->processLocalQueue();
            } else {
                $wait = 0;
            }

            if (msg_receive($this->queue, 0, $type, 16384, $msg, true, $wait)) {
                $this->logger->debug('received systemv message type ['.$type.']', [
                    'category' => get_class($this),
                ]);

                switch ($type) {
                    case self::TYPE_JOB:
                        $this->handleJob($msg);

                    break;
                    case self::TYPE_EVENT:
                        $this->handleEvent($msg);

                    break;
                    default:
                        $this->logger->warning('received unknown systemv message type ['.$type.']', [
                            'category' => get_class($this),
                        ]);
                }
            }
        }
    }

    /**
     * Handle events.
     */
    protected function handleEvent(array $event): self
    {
        $this->logger->debug('handle event ['.$event['status'].'] for job ['.$event['job'].']', [
            'category' => get_class($this),
        ]);

        switch ($event['status']) {
            case JobInterface::STATUS_PROCESSING:
                $this->job_map[(string) $event['worker']] = $event['job'];

                return $this;
            case JobInterface::STATUS_DONE:
            case JobInterface::STATUS_FAILED:
            case JobInterface::STATUS_TIMEOUT:
                $worker = array_search((string) $event['job'], $this->job_map);
                if (false === $worker) {
                    return $this;
                }

                unset($this->job_map[$worker]);

                return $this;

            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
            case JobInterface::STATUS_CANCELED:
                $worker = array_search($event['job'], $this->job_map);
                if (false === $worker) {
                    return $this;
                }

                $this->logger->debug('received cancel event for job ['.$event['job'].'] running on worker ['.$worker.']', [
                    'category' => get_class($this),
                ]);

                if (isset($this->forks[(string) $worker])) {
                    $this->logger->debug('found running worker ['.$worker.'] on this queue node, terminate it now', [
                        'category' => get_class($this),
                    ]);

                    unset($this->job_map[(string) $worker]);
                    posix_kill($this->forks[(string) $worker], SIGKILL);
                }

                return $this;
            default:
                $this->logger->warning('received event ['.$event['_id'].'] with unknown status ['.$event['status'].']', [
                    'category' => get_class($this),
                ]);

                return $this;
        }
    }

    /**
     * Process onhold (only used if pm === ondemand or for postponed FORCE_SPAWN jobs).
     */
    protected function processLocalQueue(): self
    {
        foreach ($this->onhold as $id => $job) {
            if ($job['options']['at'] <= time() && ($this->count() < $this->max_children || true === $job['options']['force_spawn'])) {
                $this->logger->debug('hold ondemand job ['.$id.'] may no be executed', [
                    'category' => get_class($this),
                ]);

                unset($this->onhold[$id]);
                $this->spawnWorker($job['_id']);
            }
        }

        return $this;
    }

    /**
     * Handle job.
     */
    protected function handleJob(array $job): self
    {
        if (true === $job['options'][Scheduler::OPTION_FORCE_SPAWN]) {
            if ($job['options']['at'] > time()) {
                $this->logger->debug('found postponed job ['.$job['_id'].'] with force_spawn, keep in local queue', [
                    'category' => get_class($this),
                ]);

                $this->onhold[(string) $job['_id']] = $job;

                return $this;
            }

            $this->logger->debug('job ['.$job['_id'].'] deployed with force_spawn, spawn new worker', [
                'category' => get_class($this),
            ]);

            $this->spawnWorker($job['_id']);

            return $this;
        }

        if (self::PM_ONDEMAND === $this->pm) {
            if ($job['options']['at'] > time()) {
                $this->logger->debug('found ondemand postponed job ['.$job['_id'].'], keep in local queue', [
                    'category' => get_class($this),
                ]);

                $this->onhold[(string) $job['_id']] = $job;

                return $this;
            }

            if ($this->count() < $this->max_children) {
                $this->spawnWorker($job['_id']);
            } else {
                $this->onhold[(string) $job['_id']] = $job;
            }

            return $this;
        }

        if ($this->count() < $this->max_children && self::PM_DYNAMIC === $this->pm) {
            $this->logger->debug('max_children ['.$this->max_children.'] workers not reached ['.$this->count().'], spawn new worker', [
                'category' => get_class($this),
            ]);

            $this->spawnWorker();

            return $this;
        }

        $this->logger->debug('max children ['.$this->max_children.'] reached for job ['.$job['_id'].'], do not spawn new worker', [
            'category' => get_class($this),
        ]);

        return $this;
    }

    /**
     * Catch signals and cleanup.
     */
    protected function catchSignal(): self
    {
        pcntl_async_signals(true);
        pcntl_signal(SIGTERM, [$this, 'cleanup']);
        pcntl_signal(SIGINT, [$this, 'cleanup']);
        pcntl_signal(SIGCHLD, [$this, 'exitWorker']);

        return $this;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/**
6		* TaskScheduler
7		*
8		* @author Raffael Sahli <[email protected]>
9		* @copyright Copryright (c) 2017-2018 gyselroth GmbH (https://gyselroth.com)
10		* @license MIT https://opensource.org/licenses/MIT
11		*/
12
13		namespace TaskScheduler;
14
15		use MongoDB\BSON\ObjectId;
16		use MongoDB\Database;
17		use Psr\Log\LoggerInterface;
18		use TaskScheduler\Exception\InvalidArgumentException;
19		use TaskScheduler\Exception\SpawnForkException;
20
21		class WorkerManager
22		{
23		use InjectTrait;
24
25		/**
26		* Queue options.
27		*/
28		public const OPTION_PM = 'pm';
29		public const OPTION_MAX_CHILDREN = 'max_children';
30		public const OPTION_MIN_CHILDREN = 'min_children';
31
32		/**
33		* Process handling.
34		*/
35		public const PM_DYNAMIC = 'dynamic';
36		public const PM_STATIC = 'static';
37		public const PM_ONDEMAND = 'ondemand';
38
39		/**
40		* Fork handler actions.
41		*/
42		public const TYPE_JOB = 1;
43		public const TYPE_EVENT = 2;
44
45		/**
46		* Process management.
47		*
48		* @var string
49		*/
50		protected $pm = self::PM_DYNAMIC;
51
52		/**
53		* Scheduler.
54		*
55		* @var Scheduler
56		*/
57		protected $scheduler;
58
59		/**
60		* Database.
61		*
62		* @var Database
63		*/
64		protected $db;
65
66		/**
67		* Logger.
68		*
69		* @var LoggerInterface
70		*/
71		protected $logger;
72
73		/**
74		* Max children.
75		*
76		* @var int
77		*/
78		protected $max_children = 2;
79
80		/**
81		* Min children.
82		*
83		* @var int
84		*/
85		protected $min_children = 1;
86
87		/**
88		* Forks.
89		*
90		* @var array
91		*/
92		protected $forks = [];
93
94		/**
95		* Worker/Job mapping.
96		*
97		* @var array
98		*/
99		protected $job_map = [];
100
101		/**
102		* Queue (Communication between TaskScheduler\Queue and TaskScheduler\WorkerManager).
103		*
104		* @var resource
105		*/
106		protected $queue;
107
108		/**
109		* Hold queue.
110		*
111		* @var array
112		*/
113		protected $onhold = [];
114
115		/**
116		* Init queue.
117		*/
118	13	public function __construct(WorkerFactoryInterface $factory, LoggerInterface $logger, array $config = [])
119		{
120	13	$this->logger = $logger;
121	13	$this->setOptions($config);
122	13	$this->factory = $factory;
		0 ignored issues – show Bug Best Practice introduced 2018-09-28 22:25 UTC by Report Bug Copy Issue Report The property `factory` does not exist. Although not strictly required by PHP, it is generally a best practice to declare properties explicitly. Loading history...
123	13	}
124
125		/**
126		* Set options.
127		*/
128	13	public function setOptions(array $config = []): self
129		{
130	13	foreach ($config as $option => $value) {
131		switch ($option) {
132	12	case self::OPTION_MAX_CHILDREN:
133	11	case self::OPTION_MIN_CHILDREN:
134	8	if (!is_int($value)) {
135	2	throw new InvalidArgumentException($option.' needs to be an integer');
136		}
137
138	6	$this->{$option} = $value;
139
140	6	break;
141	7	case self::OPTION_PM:
142	6	if (!defined('self::PM_'.strtoupper($value))) {
143	1	throw new InvalidArgumentException($value.' is not a valid process handling type (static, dynamic, ondemand)');
144		}
145
146	5	$this->{$option} = $value;
147
148	5	break;
149		default:
150	9	throw new InvalidArgumentException('invalid option '.$option.' given');
151		}
152		}
153
154	13	if ($this->min_children > $this->max_children) {
155	1	throw new InvalidArgumentException('option min_children must not be greater than option max_children');
156		}
157
158	13	return $this;
159		}
160
161		/**
162		* Startup (blocking process).
163		*/
164	8	public function process(): void
165		{
166	8	$this->queue = msg_get_queue(ftok(__DIR__.DIRECTORY_SEPARATOR.'Queue.php', 't'));
167	8	$this->catchSignal();
168	8	$this->spawnInitialWorkers();
169	8	$this->main();
170	8	}
171
172		/**
173		* Wait for child and terminate.
174		*/
175	7	public function exitWorker(int $sig, array $pid): self
176		{
177	7	$this->logger->debug('worker ['.$pid['pid'].'] exit with ['.$sig.']', [
178	7	'category' => get_class($this),
179		]);
180
181	7	pcntl_waitpid($pid['pid'], $status, WNOHANG \| WUNTRACED);
182
183	7	foreach ($this->forks as $id => $process) {
184	5	if ($process === $pid['pid']) {
185	3	unset($this->forks[$id]);
186
187	3	if (isset($this->job_map[$id])) {
188	5	unset($this->job_map[$id]);
189		}
190		}
191		}
192
193	7	return $this;
194		}
195
196		/**
197		* Count children.
198		*/
199	8	public function count(): int
200		{
201	8	return count($this->forks);
202		}
203
204		/**
205		* Cleanup.
206		*/
207	1	public function cleanup(int $sig): void
208		{
209	1	$this->logger->debug('received signal ['.$sig.']', [
210	1	'category' => get_class($this),
211		]);
212
213	1	foreach ($this->getForks() as $id => $pid) {
214	1	$this->logger->debug('forward signal ['.$sig.'] to worker ['.$id.'] running with pid ['.$pid.']', [
215	1	'category' => get_class($this),
216		]);
217
218	1	posix_kill($pid, $sig);
219		}
220
221	1	$this->exit();
222	1	}
223
224		/**
225		* Start initial workers.
226		*/
227	8	protected function spawnInitialWorkers()
228		{
229	8	$this->logger->debug('spawn initial ['.$this->min_children.'] workers', [
230	8	'category' => get_class($this),
231		]);
232
233	8	if (self::PM_DYNAMIC === $this->pm \|\| self::PM_STATIC === $this->pm) {
234	6	for ($i = $this->count(); $i < $this->min_children; ++$i) {
235	5	$this->spawnWorker();
236		}
237		}
238	8	}
239
240		/**
241		* Start worker.
242		*
243		* @see https://github.com/mongodb/mongo-php-driver/issues/828
244		* @see https://github.com/mongodb/mongo-php-driver/issues/174
245		*/
246	7	protected function spawnWorker(?ObjectId $job = null)
247		{
248	7	$this->logger->debug('spawn new worker', [
249	7	'category' => get_class($this),
250		]);
251
252	7	$id = new ObjectId();
253	7	$pid = pcntl_fork();
254
255	7	if (-1 === $pid) {
256		throw new SpawnForkException('failed to spawn new worker');
257		}
258
259	7	if (!$pid) {
260		$worker = $this->factory->buildWorker($id);
261
262		if (null === $job) {
263		$worker->processAll();
264		} else {
265		$worker->processOne($job);
266		}
267
268		exit();
		0 ignored issues – show Best Practice introduced 2018-09-28 22:25 UTC by Report Bug Copy Issue Report Using `exit` here is not recommended. In general, usage of exit should be done with care and only when running in a scripting context like a CLI script. Loading history...
269		}
270
271	7	$this->forks[(string) $id] = $pid;
272	7	$this->logger->debug('spawned worker ['.$id.'] with pid ['.$pid.']', [
273	7	'category' => get_class($this),
274		]);
275
276	7	return $pid;
277		}
278
279		/**
280		* Get forks (array of pid's).
281		*/
282	1	protected function getForks(): array
283		{
284	1	return $this->forks;
285		}
286
287		/**
288		* Main.
289		*/
290	8	protected function main(): void
291		{
292	8	while ($this->loop()) {
293	8	if (count($this->onhold) > 0 \|\| !$this->loop()) {
294	8	$wait = MSG_IPC_NOWAIT;
295	8	usleep(200);
296	8	$this->processLocalQueue();
297		} else {
298	1	$wait = 0;
299		}
300
301	8	if (msg_receive($this->queue, 0, $type, 16384, $msg, true, $wait)) {
302	3	$this->logger->debug('received systemv message type ['.$type.']', [
303	3	'category' => get_class($this),
304		]);
305
306		switch ($type) {
307	3	case self::TYPE_JOB:
308	3	$this->handleJob($msg);
309
310	3	break;
311		case self::TYPE_EVENT:
312		$this->handleEvent($msg);
313
314		break;
315		default:
316		$this->logger->warning('received unknown systemv message type ['.$type.']', [
317		'category' => get_class($this),
318		]);
319		}
320		}
321		}
322	8	}
323
324		/**
325		* Handle events.
326		*/
327		protected function handleEvent(array $event): self
328		{
329		$this->logger->debug('handle event ['.$event['status'].'] for job ['.$event['job'].']', [
330		'category' => get_class($this),
331		]);
332
333		switch ($event['status']) {
334		case JobInterface::STATUS_PROCESSING:
335		$this->job_map[(string) $event['worker']] = $event['job'];
336
337		return $this;
338		case JobInterface::STATUS_DONE:
339		case JobInterface::STATUS_FAILED:
340		case JobInterface::STATUS_TIMEOUT:
341		$worker = array_search((string) $event['job'], $this->job_map);
342		if (false === $worker) {
343		return $this;
344		}
345
346		unset($this->job_map[$worker]);
347
348		return $this;
349
350		break;
		0 ignored issues – show Unused Code introduced 2018-09-28 14:49 UTC by Report Bug Copy Issue Report `break` is not strictly necessary here and could be removed. The `break` statement is not necessary if it is preceded for example by a `return` statement: switch ($x) { case 1: return 'foo'; break; // This break is not necessary and can be left off. } If you would like to keep this construct to be consistent with other `case` statements, you can safely mark this issue as a false-positive. Loading history...
351		case JobInterface::STATUS_CANCELED:
352		$worker = array_search($event['job'], $this->job_map);
353		if (false === $worker) {
354		return $this;
355		}
356
357		$this->logger->debug('received cancel event for job ['.$event['job'].'] running on worker ['.$worker.']', [
358		'category' => get_class($this),
359		]);
360
361		if (isset($this->forks[(string) $worker])) {
362		$this->logger->debug('found running worker ['.$worker.'] on this queue node, terminate it now', [
363		'category' => get_class($this),
364		]);
365
366		unset($this->job_map[(string) $worker]);
367		posix_kill($this->forks[(string) $worker], SIGKILL);
368		}
369
370		return $this;
371		default:
372		$this->logger->warning('received event ['.$event['_id'].'] with unknown status ['.$event['status'].']', [
373		'category' => get_class($this),
374		]);
375
376		return $this;
377		}
378		}
379
380		/**
381		* Process onhold (only used if pm === ondemand or for postponed FORCE_SPAWN jobs).
382		*/
383	8	protected function processLocalQueue(): self
384		{
385	8	foreach ($this->onhold as $id => $job) {
386		if ($job['options']['at'] <= time() && ($this->count() < $this->max_children \|\| true === $job['options']['force_spawn'])) {
387		$this->logger->debug('hold ondemand job ['.$id.'] may no be executed', [
388		'category' => get_class($this),
389		]);
390
391		unset($this->onhold[$id]);
392		$this->spawnWorker($job['_id']);
393		}
394		}
395
396	8	return $this;
397		}
398
399		/**
400		* Handle job.
401		*/
402	3	protected function handleJob(array $job): self
403		{
404	3	if (true === $job['options'][Scheduler::OPTION_FORCE_SPAWN]) {
405	1	if ($job['options']['at'] > time()) {
406		$this->logger->debug('found postponed job ['.$job['_id'].'] with force_spawn, keep in local queue', [
407		'category' => get_class($this),
408		]);
409
410		$this->onhold[(string) $job['_id']] = $job;
411
412		return $this;
413		}
414
415	1	$this->logger->debug('job ['.$job['_id'].'] deployed with force_spawn, spawn new worker', [
416	1	'category' => get_class($this),
417		]);
418
419	1	$this->spawnWorker($job['_id']);
420
421	1	return $this;
422		}
423
424	2	if (self::PM_ONDEMAND === $this->pm) {
425	1	if ($job['options']['at'] > time()) {
426		$this->logger->debug('found ondemand postponed job ['.$job['_id'].'], keep in local queue', [
427		'category' => get_class($this),
428		]);
429
430		$this->onhold[(string) $job['_id']] = $job;
431
432		return $this;
433		}
434
435	1	if ($this->count() < $this->max_children) {
436	1	$this->spawnWorker($job['_id']);
437		} else {
438		$this->onhold[(string) $job['_id']] = $job;
439		}
440
441	1	return $this;
442		}
443
444	1	if ($this->count() < $this->max_children && self::PM_DYNAMIC === $this->pm) {
445	1	$this->logger->debug('max_children ['.$this->max_children.'] workers not reached ['.$this->count().'], spawn new worker', [
446	1	'category' => get_class($this),
447		]);
448
449	1	$this->spawnWorker();
450
451	1	return $this;
452		}
453
454		$this->logger->debug('max children ['.$this->max_children.'] reached for job ['.$job['_id'].'], do not spawn new worker', [
455		'category' => get_class($this),
456		]);
457
458		return $this;
459		}
460
461		/**
462		* Catch signals and cleanup.
463		*/
464	8	protected function catchSignal(): self
465		{
466	8	pcntl_async_signals(true);
467	8	pcntl_signal(SIGTERM, [$this, 'cleanup']);
468	8	pcntl_signal(SIGINT, [$this, 'cleanup']);
469	8	pcntl_signal(SIGCHLD, [$this, 'exitWorker']);
470
471	8	return $this;
472		}
473		}
474

gyselroth / mongodb-php-task-scheduler

Pull Request — master (#7)

WorkerManager::setOptions() B

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