ProcessManager::getLogPath() - Code Metrics - Inspection of "Update phpunit version" - asyncphp/doorman - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 91d598...968d8f )

by Christopher

created 2020-05-18 20:58 UTC

ProcessManager::getLogPath() A

↳ Parent: ProcessManager

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0
crap	1

<?php

namespace AsyncPHP\Doorman\Manager;

use AsyncPHP\Doorman\Cancellable;
use AsyncPHP\Doorman\Expires;
use AsyncPHP\Doorman\Manager;
use AsyncPHP\Doorman\Process;
use AsyncPHP\Doorman\Profile;
use AsyncPHP\Doorman\Profile\InMemoryProfile;
use AsyncPHP\Doorman\Rule;
use AsyncPHP\Doorman\Rules;
use AsyncPHP\Doorman\Rules\InMemoryRules;
use AsyncPHP\Doorman\Shell;
use AsyncPHP\Doorman\Shell\BashShell;
use AsyncPHP\Doorman\Task;
use SplObjectStorage;

/**
 * Class ProcessManager
 *
 * @package AsyncPHP\Doorman\Manager
 */
class ProcessManager implements Manager
{
    /**
     * @var Task[]
     */
    private $waiting = [];

    /**
     * @var Task[]
     */
    private $running = [];

    /**
     * @var null|SplObjectStorage
     */
    private $timings = null;

    /**
     * @var null|string
     */
    private $logPath;

    /**
     * @var null|Rules
     */
    private $rules;

    /**
     * @var null|Shell
     */
    protected $shell;

    /**
     * @var null|string
     */
    private $binary;

    /**
     * @var null|string
     */
    private $worker;
    
    /**
     * Get a list of the waiting tasks.
     * 
     * @return array
     */
    public function getWaiting()
    {
        return $this->waiting;
    }
    
    /**
     * Get a list of the running tasks.
     * 
     * @return array
     */
    public function getRunning()
    {
        return $this->running;
    }

    /**
     * @inheritdoc
     *
     * @param Task $task
     *
     * @return $this
     */
    public function addTask(Task $task)
    {
        $this->waiting[] = $task;

        return $this;
    }

    /**
     * @inheritdoc
     *
     * @return bool
     */
    public function tick()
    {
        if (!$this->timings instanceof SplObjectStorage) {
            $this->timings = new SplObjectStorage();
        }

        $waiting = [];
        $running = [];

        foreach ($this->waiting as $task) {
            if ($this->isTaskCancelled($task)) {
                continue;
            }

            if (!$this->canRunTask($task)) {
                $waiting[] = $task;
                continue;
            }

            if ($task->stopsSiblings()) {
                $this->stopSiblingTasks($task);
            }

            $binary = $this->getBinary();
            $worker = $this->getWorker();
            $stdout = $this->getStdOut();
            $stderr = $this->getStdErr();

            if ($task instanceof Expires) {
                $this->timings[$task] = time();
            }

            $command = $this->getCommand($binary, $worker, $stdout, $stderr);
            $output = $this->getShell()->exec($command, [
                $this->getTaskString($task),
            ]);

            if ($task instanceof Process) {
                $task->setId($output[0]);
            }

            $this->running[] = $task;
        }

        foreach ($this->running as $task) {
            if (!$this->canRemoveTask($task)) {
                $running[] = $task;
            }
        }

        $this->waiting = $waiting;
        $this->running = $running;

        return !empty($waiting) || !empty($running);
    }

    /**
     * Assemble the command
     * this can be used to customise command by subclassing and overwriting this function
     *
     * @param string $binary
     * @param string $worker
     * @param string $stdout
     * @param string $stderr
     * @return string
     */
    protected function getCommand($binary, $worker, $stdout, $stderr)
    {
        return "{$binary} {$worker} %s {$stdout} {$stderr} & echo $!";
    }

    /**
     * Stops sibling processes of a task.
     *
     * @param Task $task
     *
     * @return $this
     */
    private function stopSiblingTasks(Task $task)
    {
        $handler = $task->getHandler();
        
        $stdout = $this->getStdOut();
        $stderr = $this->getStdErr();

        foreach ($this->running as $task) {
            if ($task->getHandler() === $handler && $task instanceof Process) {
                $this->getShell()->exec("kill -9 %s {$stdout} {$stderr} &", [
                    $task->getId(),
                ]);
            }
        }

        return $this;
    }

    /**
     * Checks whether a new task can be run.
     *
     * @param Task $task
     *
     * @return bool
     */
    private function canRunTask(Task $task)
    {
        if (!$task->canRunTask()) {
            return false;
        }

        if ($task->ignoresRules()) {
            return true;
        }

        $processes = array_filter($this->running, function (Task $task) {
            return $task instanceof Process;
        });

        if (count($processes) < 1) {
            return true;
        }

        $profile = $this->getProfileForProcesses($task, $processes);

        return $this->getRules()->canRunTask($task, $profile);
    }

    /**
     * Gets the load profile related to a task.
     *
     * @param Task $task
     * @param array $processes
     *
     * @return Profile
     */
    private function getProfileForProcesses(Task $task, array $processes)
    {
        $stats = $this->getStatsForProcesses($processes);

        $siblingProcesses = array_filter($processes, function (Task $next) use ($task) {
            return $next->getHandler() === $task->getHandler();
        });

        $siblingStats = $this->getStatsForProcesses($siblingProcesses);

        $profile = $this->newProfile();

        $profile->setProcesses($processes);
        $profile->setProcessorLoad(min(100, array_sum(array_column($stats, 1))));
        $profile->setMemoryLoad(min(100, array_sum(array_column($stats, 2))));

        $profile->setSiblingProcesses($siblingProcesses);
        $profile->setSiblingProcessorLoad(min(100, array_sum(array_column($siblingStats, 1))));
        $profile->setSiblingMemoryLoad(min(100, array_sum(array_column($siblingStats, 2))));

        return $profile;
    }

    /**
     * Gets processor and memory stats for a list of processes.
     *
     * @param Process[] $processes
     *
     * @return array
     */
    private function getStatsForProcesses(array $processes)
    {
        $stats = [];

        foreach ($processes as $process) {
            $output = $this->getShell()->exec("ps -o pid,%%cpu,%%mem,state,start -p %s | sed 1d", [
                $process->getId(),
            ]);

            if (count($output) < 1) {
                continue;
            }

            $last = $output[count($output) - 1];

            if (trim($last) === "") {
                continue;
            }

            $parts = preg_split("/\s+/", trim($last));

            $pid = intval($parts[0]);

            if ("{$pid}" !== $parts[0]) {
                continue;
            }

            $stats[] = $parts;
        }

        return $stats;
    }

    /**
     * Gets or creates a Shell instance.
     *
     * @return Shell
     */
    public function getShell()
    {
        if ($this->shell === null) {
            $this->shell = $this->newShell();
        }

        return $this->shell;
    }

    /**
     * @param Shell $shell
     *
     * @return $this
     */
    public function setShell(Shell $shell)
    {
        $this->shell = $shell;

        return $this;
    }

    /**
     * Creates a new Shell instance.
     *
     * @return Shell
     */
    private function newShell()
    {
        return new BashShell();
    }

    /**
     * Creates a new Profile instance.
     *
     * @return Profile
     */
    private function newProfile()
    {
        return new InMemoryProfile();
    }

    /**
     * Gets or creates a new Rules instance.
     *
     * @return Rules
     */
    public function getRules()
    {
        if ($this->rules === null) {
            $this->rules = $this->newRules();
        }

        return $this->rules;
    }

    /**
     * @param Rules $rules
     *
     * @return $this
     */
    public function setRules(Rules $rules)
    {
        $this->rules = $rules;

        return $this;
    }

    /**
     * Creates a new Rules instance.
     *
     * @return Rules
     */
    private function newRules()
    {
        return new InMemoryRules();
    }

    /**
     * @param string $binary
     *
     * @return $this
     */
    public function setBinary($binary)
    {
        $this->binary = $binary;

        return $this;
    }

    /**
     * Gets the path of the PHP runtime.
     *
     * @return string
     */
    public function getBinary()
    {
        if ($this->binary === null) {
            $this->binary = PHP_BINDIR . "/php";
        }

        return $this->binary;
    }

    /**
     * @param string $worker
     *
     * @return $this
     */
    public function setWorker($worker)
    {
        $this->worker = $worker;

        return $this;
    }

    /**
     * Gets the path of the worker script.
     *
     * @return string
     */
    public function getWorker()
    {
        if ($this->worker === null) {
            $this->worker = realpath(__DIR__ . "/../../bin/worker.php");
        }

        return $this->worker;
    }

    /**
     * Gets the path to write stdout to.
     *
     * @return string
     */
    private function getStdOut()
    {
        if ($this->getLogPath() !== null) {
            return ">> " . $this->getLogPath() . "/stdout.log";
        }

        return "> /dev/null";
    }

    /**
     * @return null|string
     */
    public function getLogPath()
    {
        return $this->logPath;
    }

    /**
     * @param string $logPath
     *
     * @return $this
     */
    public function setLogPath($logPath)
    {
        $this->logPath = $logPath;

        return $this;
    }

    /**
     * Gets the path to write stderr to.
     *
     * @return string
     */
    private function getStdErr()
    {
        if ($this->getLogPath() !== null) {
            return "2>> " . $this->getLogPath() . "/stderr.log";
        }

        return "2> /dev/null";
    }

    /**
     * Gets a string representation of a task, to pass to the worker script.
     *
     * @param Task $task
     *
     * @return string
     */
    private function getTaskString(Task $task)
    {
        return base64_encode(serialize($task));
    }

    /**
     * Checks whether a task can be removed from the list of running processes.
     *
     * @param Task $task
     *
     * @return bool
     */
    private function canRemoveTask(Task $task)
    {
        if (!$task instanceof Process) {
            return true;
        }

        if ($this->isTaskExpired($task) || $this->isTaskCancelled($task)) {
            $this->killTask($task);
            return true;
        }

        $processes = array_filter($this->running, function (Task $task) {
            return $task instanceof Process;
        });

        if (count($processes) < 1) {
            return true;
        }

        $found = false;
        $stats = $this->getStatsForProcesses($processes);

        foreach ($stats as $stat) {
            if ($stat[0] === $task->getId()) {
                $found = true;
            }
        }

        return !$found;
    }

    /**
     * Check if the given task is expired
     *
     * @param Task $task
     *
     * @return boolean
     */
    private function isTaskExpired(Task $task)
    {
        if ($task instanceof Expires) {
            $expiresIn = $task->getExpiresIn();
            $startedAt = $this->timings[$task];

            if ($expiresIn > 0 && (time() - $startedAt) >= $expiresIn) {
                return $task->shouldExpire($startedAt);
            }
        }

        return false;
    }

    /**
     * Check if the given task is cancelled.
     *
     * @param Task $task
     *
     * @return bool
     */
    private function isTaskCancelled(Task $task)
    {
        if ($task instanceof Cancellable) {
            return $task->isCancelled();
        }

        return false;
    }

    /**
     * Revoke any background processes attached to this task.
     *
     * @param Task $task
     *
     * @return bool
     */
    private function killTask(Task $task)
    {
        if ($task instanceof Process) {
            $stdout = $this->getStdOut();
            $stderr = $this->getStdErr();
            
            $this->getShell()->exec("kill -9 %s {$stdout} {$stderr} &", [
                $task->getId(),
            ]);

            return true;
        }

        return false;
    }

    /**
     * @param Rule $rule
     *
     * @return $this
     */
    public function addRule(Rule $rule)
    {
        $this->getRules()->addRule($rule);

        return $this;
    }

    /**
     * @param Rule $rule
     *
     * @return $this
     */
    public function removeRule(Rule $rule)
    {
        $this->getRules()->removeRule($rule);

        return $this;
    }

    public function __destruct()
    {
        foreach ($this->running as $task) {
            $this->killTask($task);
        }
    }
}


1		<?php
2
3		namespace AsyncPHP\Doorman\Manager;
4
5		use AsyncPHP\Doorman\Cancellable;
6		use AsyncPHP\Doorman\Expires;
7		use AsyncPHP\Doorman\Manager;
8		use AsyncPHP\Doorman\Process;
9		use AsyncPHP\Doorman\Profile;
10		use AsyncPHP\Doorman\Profile\InMemoryProfile;
11		use AsyncPHP\Doorman\Rule;
12		use AsyncPHP\Doorman\Rules;
13		use AsyncPHP\Doorman\Rules\InMemoryRules;
14		use AsyncPHP\Doorman\Shell;
15		use AsyncPHP\Doorman\Shell\BashShell;
16		use AsyncPHP\Doorman\Task;
17		use SplObjectStorage;
18
19		/**
20		* Class ProcessManager
21		*
22		* @package AsyncPHP\Doorman\Manager
23		*/
24		class ProcessManager implements Manager
25		{
26		/**
27		* @var Task[]
28		*/
29		private $waiting = [];
30
31		/**
32		* @var Task[]
33		*/
34		private $running = [];
35
36		/**
37		* @var null\|SplObjectStorage
38		*/
39		private $timings = null;
40
41		/**
42		* @var null\|string
43		*/
44		private $logPath;
45
46		/**
47		* @var null\|Rules
48		*/
49		private $rules;
50
51		/**
52		* @var null\|Shell
53		*/
54		protected $shell;
55
56		/**
57		* @var null\|string
58		*/
59		private $binary;
60
61		/**
62		* @var null\|string
63		*/
64		private $worker;
65
66		/**
67		* Get a list of the waiting tasks.
68		*
69		* @return array
70		*/
71		public function getWaiting()
72		{
73		return $this->waiting;
74		}
75
76		/**
77		* Get a list of the running tasks.
78		*
79		* @return array
80		*/
81		public function getRunning()
82		{
83		return $this->running;
84		}
85
86		/**
87		* @inheritdoc
88		*
89		* @param Task $task
90		*
91		* @return $this
92		*/
93	1	public function addTask(Task $task)
94		{
95	1	$this->waiting[] = $task;
96
97	1	return $this;
98		}
99
100		/**
101		* @inheritdoc
102		*
103		* @return bool
104		*/
105	1	public function tick()
106		{
107	1	if (!$this->timings instanceof SplObjectStorage) {
108	1	$this->timings = new SplObjectStorage();
109	1	}
110
111	1	$waiting = [];
112	1	$running = [];
113
114	1	foreach ($this->waiting as $task) {
115	1	if ($this->isTaskCancelled($task)) {
116		continue;
117		}
118
119	1	if (!$this->canRunTask($task)) {
120	1	$waiting[] = $task;
121	1	continue;
122		}
123
124	1	if ($task->stopsSiblings()) {
125		$this->stopSiblingTasks($task);
126		}
127
128	1	$binary = $this->getBinary();
129	1	$worker = $this->getWorker();
130	1	$stdout = $this->getStdOut();
131	1	$stderr = $this->getStdErr();
132
133	1	if ($task instanceof Expires) {
134	1	$this->timings[$task] = time();
135	1	}
136
137	1	$command = $this->getCommand($binary, $worker, $stdout, $stderr);
138	1	$output = $this->getShell()->exec($command, [
139	1	$this->getTaskString($task),
140	1	]);
141
142	1	if ($task instanceof Process) {
143	1	$task->setId($output[0]);
144	1	}
145
146	1	$this->running[] = $task;
147	1	}
148
149	1	foreach ($this->running as $task) {
150	1	if (!$this->canRemoveTask($task)) {
151	1	$running[] = $task;
152	1	}
153	1	}
154
155	1	$this->waiting = $waiting;
156	1	$this->running = $running;
157
158	1	return !empty($waiting) \|\| !empty($running);
159		}
160
161		/**
162		* Assemble the command
163		* this can be used to customise command by subclassing and overwriting this function
164		*
165		* @param string $binary
166		* @param string $worker
167		* @param string $stdout
168		* @param string $stderr
169		* @return string
170		*/
171	1	protected function getCommand($binary, $worker, $stdout, $stderr)
172		{
173	1	return "{$binary} {$worker} %s {$stdout} {$stderr} & echo $!";
174		}
175
176		/**
177		* Stops sibling processes of a task.
178		*
179		* @param Task $task
180		*
181		* @return $this
182		*/
183		private function stopSiblingTasks(Task $task)
184		{
185		$handler = $task->getHandler();
186
187		$stdout = $this->getStdOut();
188		$stderr = $this->getStdErr();
189
190		foreach ($this->running as $task) {
191		if ($task->getHandler() === $handler && $task instanceof Process) {
192		$this->getShell()->exec("kill -9 %s {$stdout} {$stderr} &", [
193		$task->getId(),
194		]);
195		}
196		}
197
198		return $this;
199		}
200
201		/**
202		* Checks whether a new task can be run.
203		*
204		* @param Task $task
205		*
206		* @return bool
207		*/
208	1	private function canRunTask(Task $task)
209		{
210	1	if (!$task->canRunTask()) {
211		return false;
212		}
213
214	1	if ($task->ignoresRules()) {
215		return true;
216		}
217
218		$processes = array_filter($this->running, function (Task $task) {
219	1	return $task instanceof Process;
220	1	});
221
222	1	if (count($processes) < 1) {
223	1	return true;
224		}
225
226	1	$profile = $this->getProfileForProcesses($task, $processes);
227
228	1	return $this->getRules()->canRunTask($task, $profile);
229		}
230
231		/**
232		* Gets the load profile related to a task.
233		*
234		* @param Task $task
235		* @param array $processes
236		*
237		* @return Profile
238		*/
239	1	private function getProfileForProcesses(Task $task, array $processes)
240		{
241	1	$stats = $this->getStatsForProcesses($processes);
242
243		$siblingProcesses = array_filter($processes, function (Task $next) use ($task) {
244	1	return $next->getHandler() === $task->getHandler();
245	1	});
246
247	1	$siblingStats = $this->getStatsForProcesses($siblingProcesses);
248
249	1	$profile = $this->newProfile();
250
251	1	$profile->setProcesses($processes);
252	1	$profile->setProcessorLoad(min(100, array_sum(array_column($stats, 1))));
253	1	$profile->setMemoryLoad(min(100, array_sum(array_column($stats, 2))));
254
255	1	$profile->setSiblingProcesses($siblingProcesses);
256	1	$profile->setSiblingProcessorLoad(min(100, array_sum(array_column($siblingStats, 1))));
257	1	$profile->setSiblingMemoryLoad(min(100, array_sum(array_column($siblingStats, 2))));
258
259	1	return $profile;
260		}
261
262		/**
263		* Gets processor and memory stats for a list of processes.
264		*
265		* @param Process[] $processes
266		*
267		* @return array
268		*/
269	1	private function getStatsForProcesses(array $processes)
270		{
271	1	$stats = [];
272
273	1	foreach ($processes as $process) {
274	1	$output = $this->getShell()->exec("ps -o pid,%%cpu,%%mem,state,start -p %s \| sed 1d", [
275	1	$process->getId(),
276	1	]);
277
278	1	if (count($output) < 1) {
279	1	continue;
280		}
281
282	1	$last = $output[count($output) - 1];
283
284	1	if (trim($last) === "") {
285		continue;
286		}
287
288	1	$parts = preg_split("/\s+/", trim($last));
289
290	1	$pid = intval($parts[0]);
291
292	1	if ("{$pid}" !== $parts[0]) {
293		continue;
294		}
295
296	1	$stats[] = $parts;
297	1	}
298
299	1	return $stats;
300		}
301
302		/**
303		* Gets or creates a Shell instance.
304		*
305		* @return Shell
306		*/
307	2	public function getShell()
308		{
309	2	if ($this->shell === null) {
310	2	$this->shell = $this->newShell();
311	2	}
312
313	2	return $this->shell;
314		}
315
316		/**
317		* @param Shell $shell
318		*
319		* @return $this
320		*/
321	1	public function setShell(Shell $shell)
322		{
323	1	$this->shell = $shell;
324
325	1	return $this;
326		}
327
328		/**
329		* Creates a new Shell instance.
330		*
331		* @return Shell
332		*/
333	2	private function newShell()
334		{
335	2	return new BashShell();
336		}
337
338		/**
339		* Creates a new Profile instance.
340		*
341		* @return Profile
342		*/
343	1	private function newProfile()
344		{
345	1	return new InMemoryProfile();
346		}
347
348		/**
349		* Gets or creates a new Rules instance.
350		*
351		* @return Rules
352		*/
353	2	public function getRules()
354		{
355	2	if ($this->rules === null) {
356	2	$this->rules = $this->newRules();
357	2	}
358
359	2	return $this->rules;
360		}
361
362		/**
363		* @param Rules $rules
364		*
365		* @return $this
366		*/
367	1	public function setRules(Rules $rules)
368		{
369	1	$this->rules = $rules;
370
371	1	return $this;
372		}
373
374		/**
375		* Creates a new Rules instance.
376		*
377		* @return Rules
378		*/
379	2	private function newRules()
380		{
381	2	return new InMemoryRules();
382		}
383
384		/**
385		* @param string $binary
386		*
387		* @return $this
388		*/
389		public function setBinary($binary)
390		{
391		$this->binary = $binary;
392
393		return $this;
394		}
395
396		/**
397		* Gets the path of the PHP runtime.
398		*
399		* @return string
400		*/
401	1	public function getBinary()
402		{
403	1	if ($this->binary === null) {
404	1	$this->binary = PHP_BINDIR . "/php";
405	1	}
406
407	1	return $this->binary;
408		}
409
410		/**
411		* @param string $worker
412		*
413		* @return $this
414		*/
415		public function setWorker($worker)
416		{
417		$this->worker = $worker;
418
419		return $this;
420		}
421
422		/**
423		* Gets the path of the worker script.
424		*
425		* @return string
426		*/
427	1	public function getWorker()
428		{
429	1	if ($this->worker === null) {
430	1	$this->worker = realpath(__DIR__ . "/../../bin/worker.php");
431	1	}
432
433	1	return $this->worker;
434		}
435
436		/**
437		* Gets the path to write stdout to.
438		*
439		* @return string
440		*/
441	1	private function getStdOut()
442		{
443	1	if ($this->getLogPath() !== null) {
444		return ">> " . $this->getLogPath() . "/stdout.log";
445		}
446
447	1	return "> /dev/null";
448		}
449
450		/**
451		* @return null\|string
452		*/
453	2	public function getLogPath()
454		{
455	2	return $this->logPath;
456		}
457
458		/**
459		* @param string $logPath
460		*
461		* @return $this
462		*/
463	1	public function setLogPath($logPath)
464		{
465	1	$this->logPath = $logPath;
466
467	1	return $this;
468		}
469
470		/**
471		* Gets the path to write stderr to.
472		*
473		* @return string
474		*/
475	1	private function getStdErr()
476		{
477	1	if ($this->getLogPath() !== null) {
478		return "2>> " . $this->getLogPath() . "/stderr.log";
479		}
480
481	1	return "2> /dev/null";
482		}
483
484		/**
485		* Gets a string representation of a task, to pass to the worker script.
486		*
487		* @param Task $task
488		*
489		* @return string
490		*/
491	1	private function getTaskString(Task $task)
492		{
493	1	return base64_encode(serialize($task));
494		}
495
496		/**
497		* Checks whether a task can be removed from the list of running processes.
498		*
499		* @param Task $task
500		*
501		* @return bool
502		*/
503	1	private function canRemoveTask(Task $task)
504		{
505	1	if (!$task instanceof Process) {
506		return true;
507		}
508
509	1	if ($this->isTaskExpired($task) \|\| $this->isTaskCancelled($task)) {
510		$this->killTask($task);
511		return true;
512		}
513
514	1	$processes = array_filter($this->running, function (Task $task) {
515	1	return $task instanceof Process;
516	1	});
517
518	1	if (count($processes) < 1) {
519		return true;
520		}
521
522	1	$found = false;
523	1	$stats = $this->getStatsForProcesses($processes);
524
525	1	foreach ($stats as $stat) {
526	1	if ($stat[0] === $task->getId()) {
527	1	$found = true;
528	1	}
529	1	}
530
531	1	return !$found;
532		}
533
534		/**
535		* Check if the given task is expired
536		*
537		* @param Task $task
538		*
539		* @return boolean
540		*/
541	1	private function isTaskExpired(Task $task)
542		{
543	1	if ($task instanceof Expires) {
544	1	$expiresIn = $task->getExpiresIn();
545	1	$startedAt = $this->timings[$task];
546
547	1	if ($expiresIn > 0 && (time() - $startedAt) >= $expiresIn) {
548		return $task->shouldExpire($startedAt);
549		}
550	1	}
551
552	1	return false;
553		}
554
555		/**
556		* Check if the given task is cancelled.
557		*
558		* @param Task $task
559		*
560		* @return bool
561		*/
562	1	private function isTaskCancelled(Task $task)
563		{
564	1	if ($task instanceof Cancellable) {
565		return $task->isCancelled();
566		}
567
568	1	return false;
569		}
570
571		/**
572		* Revoke any background processes attached to this task.
573		*
574		* @param Task $task
575		*
576		* @return bool
577		*/
578		private function killTask(Task $task)
579		{
580		if ($task instanceof Process) {
581		$stdout = $this->getStdOut();
582		$stderr = $this->getStdErr();
583
584		$this->getShell()->exec("kill -9 %s {$stdout} {$stderr} &", [
585		$task->getId(),
586		]);
587
588		return true;
589		}
590
591		return false;
592		}
593
594		/**
595		* @param Rule $rule
596		*
597		* @return $this
598		*/
599	1	public function addRule(Rule $rule)
600		{
601	1	$this->getRules()->addRule($rule);
602
603	1	return $this;
604		}
605
606		/**
607		* @param Rule $rule
608		*
609		* @return $this
610		*/
611	1	public function removeRule(Rule $rule)
612		{
613	1	$this->getRules()->removeRule($rule);
614
615	1	return $this;
616		}
617
618		public function __destruct()
619		{
620		foreach ($this->running as $task) {
621		$this->killTask($task);
622		}
623		}
624		}
625

asyncphp / doorman

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ProcessManager::getLogPath() A

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