EventLoop::isSignalActive() - Code Metrics - ThrusterIO/event-loop - Measure and Improve Code Quality continuously with Scrutinizer

EventLoop::isSignalActive() A
last analyzed 2016-01-12 13:16 UTC

↳ Parent: EventLoop

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

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

<?php

namespace Thruster\Component\EventLoop;

use Ev;
use EvIo;
use EvLoop;
use EvTimer;
use EvChild;
use EvSignal;
use SplObjectStorage;

/**
 * Class EventLoop
 *
 * @package Thruster\Component\EventLoop
 * @author  Aurimas Niekis <[email protected]>
 */
class EventLoop implements EventLoopInterface
{
    /**
     * @var EvLoop
     */
    protected $loop;

    /**
     * @var SplObjectStorage|EvTimer[]
     */
    protected $timers;

    /**
     * @var SplObjectStorage|EvSignal[]
     */
    protected $signals;

    /**
     * @var SplObjectStorage|EvChild[]
     */
    protected $children;

    /**
     * @var bool
     */
    protected $running;

    /**
     * @var EvIo[]
     */
    private $readEvents;

    /**
     * @var EvIo[]
     */
    private $writeEvents;

    public function __construct()
    {
        $this->loop        = EvLoop::defaultLoop();
        $this->timers      = new SplObjectStorage();
        $this->signals     = new SplObjectStorage();
        $this->children    = new SplObjectStorage();
        $this->readEvents  = [];
        $this->writeEvents = [];
    }

    /**
     * @inheritdoc
     */
    public function addReadStream($stream, callable $listener) : self
    {
        $this->addStream($stream, $listener, Ev::READ);

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function addWriteStream($stream, callable $listener) : self
    {
        $this->addStream($stream, $listener, Ev::WRITE);

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function removeReadStream($stream) : self

    {
        $key = (int) $stream;
        if (isset($this->readEvents[$key])) {
            $this->readEvents[$key]->stop();
            unset($this->readEvents[$key]);
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function removeWriteStream($stream) : self

    {
        $key = (int) $stream;
        if (isset($this->writeEvents[$key])) {
            $this->writeEvents[$key]->stop();
            unset($this->writeEvents[$key]);
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function removeStream($stream) : self
    {
        $this->removeReadStream($stream);
        $this->removeWriteStream($stream);

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function addStream($stream, callable $listener, $flags) : self
    {
        $listener = function ($event) use ($stream, $listener) {

            call_user_func($listener, $stream, $this);
        };

        $event = $this->loop->io($stream, $flags, $listener);

        if (($flags & \Ev::READ) === $flags) {
            $this->readEvents[(int)$stream] = $event;
        } elseif (($flags & \Ev::WRITE) === $flags) {
            $this->writeEvents[(int)$stream] = $event;
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function addTimer($interval, callable $callback, int $priority = 0) : Timer

    {
        $timer = new Timer($this, $interval, $callback, false, $priority);

        $callback = function ($evTimer) use ($timer) {
            call_user_func($timer->getCallback(), $timer, $evTimer);

            if ($this->isTimerActive($timer)) {
                $this->cancelTimer($timer);
            }
        };

        $event = $this->loop->timer($interval, 0, $callback, null, $priority);

        $this->timers->attach($timer, $event);

        return $timer;
    }

    /**
     * @inheritdoc
     */
    public function addPeriodicTimer($interval, callable $callback, int $priority = 0) : Timer

    {
        $timer = new Timer($this, $interval, $callback, true, $priority);

        $internalCallback = function ($evTimer) use ($timer) {
            call_user_func($timer->getCallback(), $timer, $evTimer);
        };

        $event = $this->loop->periodic(
            $timer->getInterval(),
            $timer->getInterval(),
            null,
            $internalCallback,
            null,
            $priority
        );

        $this->timers->attach($timer, $event);

        return $timer;
    }

    /**
     * @inheritdoc
     */
    public function cancelTimer(Timer $timer) : self
    {
        if (isset($this->timers[$timer])) {
            $this->timers[$timer]->stop();
            $this->timers->detach($timer);
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function isTimerActive(Timer $timer) : bool
    {
        return $this->timers->contains($timer);
    }

    /**
     * @inheritdoc
     */
    public function addSignal(int $signalNo, callable $callback, int $priority = 0) : Signal

    {
        $signal = new Signal($this, $signalNo, $callback, $priority);

        $internalCallback = function ($evSignal) use ($signal) {
            call_user_func($signal->getCallback(), $signal, $evSignal);
        };

        $event = $this->loop->signal($signalNo, $internalCallback, null, $priority);

        $this->signals->attach($signal, $event);

        return $signal;
    }

    /**
     * @inheritdoc
     */
    public function cancelSignal(Signal $signal) : self
    {
        if (isset($this->signals[$signal])) {
            $this->signals[$signal]->stop();
            $this->signals->detach($signal);
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function isSignalActive(Signal $signal) : bool
    {
        return $this->signals->contains($signal);
    }

    /**
     * @inheritdoc
     */
    public function addChild(callable $callback, int $pid = 0, int $priority = 0) : Child

    {
        $child = new Child($this, $pid, $callback, $priority);

        $internalCallback = function ($evChild) use ($child) {
            call_user_func($child->getCallback(), $child, $evChild);
        };

        $event = $this->loop->child($pid, false, $internalCallback, null, $priority);

        $this->signals->attach($child, $event);

        return $child;
    }

    /**
     * @inheritdoc
     */
    public function cancelChild(Child $child) : self
    {
        if (isset($this->children[$child])) {
            $this->children[$child]->stop();
            $this->children->detach($child);
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function isChildActive(Child $child) : bool
    {
        return $this->children->contains($child);
    }

    /**
     * @inheritdoc
     */
    public function afterFork() : self
    {
        $this->loop->loopFork();

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function tick() : self
    {
        $this->loop->run(Ev::RUN_ONCE | Ev::RUN_NOWAIT);

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function run() : self
    {
        $this->running = true;

        while ($this->running) {
            $flags = Ev::RUN_ONCE;

            if ($this->timers->count() < 1 &&
                $this->signals->count() < 1 &&
                $this->children->count() < 1 &&
                count($this->readEvents) < 1 &&
                count($this->writeEvents) < 1
            ) {
                break;
            }

            $this->loop->run($flags);
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function stop() : self
    {
        $this->running = false;

        return $this;
    }
}


1		<?php
2
3		namespace Thruster\Component\EventLoop;
4
5		use Ev;
6		use EvIo;
7		use EvLoop;
8		use EvTimer;
9		use EvChild;
10		use EvSignal;
11		use SplObjectStorage;
12
13		/**
14		* Class EventLoop
15		*
16		* @package Thruster\Component\EventLoop
17		* @author Aurimas Niekis <[email protected]>
18		*/
19		class EventLoop implements EventLoopInterface
20		{
21		/**
22		* @var EvLoop
23		*/
24		protected $loop;
25
26		/**
27		* @var SplObjectStorage\|EvTimer[]
28		*/
29		protected $timers;
30
31		/**
32		* @var SplObjectStorage\|EvSignal[]
33		*/
34		protected $signals;
35
36		/**
37		* @var SplObjectStorage\|EvChild[]
38		*/
39		protected $children;
40
41		/**
42		* @var bool
43		*/
44		protected $running;
45
46		/**
47		* @var EvIo[]
48		*/
49		private $readEvents;
50
51		/**
52		* @var EvIo[]
53		*/
54		private $writeEvents;
55
56		public function __construct()
57		{
58		$this->loop = EvLoop::defaultLoop();
59		$this->timers = new SplObjectStorage();
60		$this->signals = new SplObjectStorage();
61		$this->children = new SplObjectStorage();
62		$this->readEvents = [];
63		$this->writeEvents = [];
64		}
65
66		/**
67		* @inheritdoc
68		*/
69		public function addReadStream($stream, callable $listener) : self
70		{
71		$this->addStream($stream, $listener, Ev::READ);
72
73		return $this;
74		}
75
76		/**
77		* @inheritdoc
78		*/
79		public function addWriteStream($stream, callable $listener) : self
80		{
81		$this->addStream($stream, $listener, Ev::WRITE);
82
83		return $this;
84		}
85
86		/**
87		* @inheritdoc
88		*/
89	View Code Duplication	public function removeReadStream($stream) : self
		0 ignored issues – show Duplication introduced 2015-12-09 09:35 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
90		{
91		$key = (int) $stream;
92		if (isset($this->readEvents[$key])) {
93		$this->readEvents[$key]->stop();
94		unset($this->readEvents[$key]);
95		}
96
97		return $this;
98		}
99
100		/**
101		* @inheritdoc
102		*/
103	View Code Duplication	public function removeWriteStream($stream) : self
		0 ignored issues – show Duplication introduced 2015-12-09 09:35 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
104		{
105		$key = (int) $stream;
106		if (isset($this->writeEvents[$key])) {
107		$this->writeEvents[$key]->stop();
108		unset($this->writeEvents[$key]);
109		}
110
111		return $this;
112		}
113
114		/**
115		* @inheritdoc
116		*/
117		public function removeStream($stream) : self
118		{
119		$this->removeReadStream($stream);
120		$this->removeWriteStream($stream);
121
122		return $this;
123		}
124
125		/**
126		* @inheritdoc
127		*/
128		public function addStream($stream, callable $listener, $flags) : self
129		{
130		$listener = function ($event) use ($stream, $listener) {
		0 ignored issues – show Unused Code introduced 2015-12-09 09:35 UTC by Report Bug Copy Issue Report The parameter `$event` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
131		call_user_func($listener, $stream, $this);
132		};
133
134		$event = $this->loop->io($stream, $flags, $listener);
135
136		if (($flags & \Ev::READ) === $flags) {
137		$this->readEvents[(int)$stream] = $event;
138		} elseif (($flags & \Ev::WRITE) === $flags) {
139		$this->writeEvents[(int)$stream] = $event;
140		}
141
142		return $this;
143		}
144
145		/**
146		* @inheritdoc
147		*/
148	View Code Duplication	public function addTimer($interval, callable $callback, int $priority = 0) : Timer
		0 ignored issues – show Duplication introduced 2015-12-09 09:35 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
149		{
150		$timer = new Timer($this, $interval, $callback, false, $priority);
151
152		$callback = function ($evTimer) use ($timer) {
153		call_user_func($timer->getCallback(), $timer, $evTimer);
154
155		if ($this->isTimerActive($timer)) {
156		$this->cancelTimer($timer);
157		}
158		};
159
160		$event = $this->loop->timer($interval, 0, $callback, null, $priority);
161
162		$this->timers->attach($timer, $event);
163
164		return $timer;
165		}
166
167		/**
168		* @inheritdoc
169		*/
170	View Code Duplication	public function addPeriodicTimer($interval, callable $callback, int $priority = 0) : Timer
		0 ignored issues – show Duplication introduced 2015-12-09 09:35 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
171		{
172		$timer = new Timer($this, $interval, $callback, true, $priority);
173
174		$internalCallback = function ($evTimer) use ($timer) {
175		call_user_func($timer->getCallback(), $timer, $evTimer);
176		};
177
178		$event = $this->loop->periodic(
179		$timer->getInterval(),
180		$timer->getInterval(),
181		null,
182		$internalCallback,
183		null,
184		$priority
185		);
186
187		$this->timers->attach($timer, $event);
188
189		return $timer;
190		}
191
192		/**
193		* @inheritdoc
194		*/
195		public function cancelTimer(Timer $timer) : self
196		{
197		if (isset($this->timers[$timer])) {
198		$this->timers[$timer]->stop();
199		$this->timers->detach($timer);
200		}
201
202		return $this;
203		}
204
205		/**
206		* @inheritdoc
207		*/
208		public function isTimerActive(Timer $timer) : bool
209		{
210		return $this->timers->contains($timer);
211		}
212
213		/**
214		* @inheritdoc
215		*/
216	View Code Duplication	public function addSignal(int $signalNo, callable $callback, int $priority = 0) : Signal
		0 ignored issues – show Duplication introduced 2015-12-09 09:35 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
217		{
218		$signal = new Signal($this, $signalNo, $callback, $priority);
219
220		$internalCallback = function ($evSignal) use ($signal) {
221		call_user_func($signal->getCallback(), $signal, $evSignal);
222		};
223
224		$event = $this->loop->signal($signalNo, $internalCallback, null, $priority);
225
226		$this->signals->attach($signal, $event);
227
228		return $signal;
229		}
230
231		/**
232		* @inheritdoc
233		*/
234		public function cancelSignal(Signal $signal) : self
235		{
236		if (isset($this->signals[$signal])) {
237		$this->signals[$signal]->stop();
238		$this->signals->detach($signal);
239		}
240
241		return $this;
242		}
243
244		/**
245		* @inheritdoc
246		*/
247		public function isSignalActive(Signal $signal) : bool
248		{
249		return $this->signals->contains($signal);
250		}
251
252		/**
253		* @inheritdoc
254		*/
255	View Code Duplication	public function addChild(callable $callback, int $pid = 0, int $priority = 0) : Child
		0 ignored issues – show Duplication introduced 2015-12-09 09:35 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
256		{
257		$child = new Child($this, $pid, $callback, $priority);
258
259		$internalCallback = function ($evChild) use ($child) {
260		call_user_func($child->getCallback(), $child, $evChild);
261		};
262
263		$event = $this->loop->child($pid, false, $internalCallback, null, $priority);
264
265		$this->signals->attach($child, $event);
266
267		return $child;
268		}
269
270		/**
271		* @inheritdoc
272		*/
273		public function cancelChild(Child $child) : self
274		{
275		if (isset($this->children[$child])) {
276		$this->children[$child]->stop();
277		$this->children->detach($child);
278		}
279
280		return $this;
281		}
282
283		/**
284		* @inheritdoc
285		*/
286		public function isChildActive(Child $child) : bool
287		{
288		return $this->children->contains($child);
289		}
290
291		/**
292		* @inheritdoc
293		*/
294		public function afterFork() : self
295		{
296		$this->loop->loopFork();
297
298		return $this;
299		}
300
301		/**
302		* {@inheritDoc}
303		*/
304		public function tick() : self
305		{
306		$this->loop->run(Ev::RUN_ONCE \| Ev::RUN_NOWAIT);
307
308		return $this;
309		}
310
311		/**
312		* @inheritdoc
313		*/
314		public function run() : self
315		{
316		$this->running = true;
317
318		while ($this->running) {
319		$flags = Ev::RUN_ONCE;
320
321		if ($this->timers->count() < 1 &&
322		$this->signals->count() < 1 &&
323		$this->children->count() < 1 &&
324		count($this->readEvents) < 1 &&
325		count($this->writeEvents) < 1
326		) {
327		break;
328		}
329
330		$this->loop->run($flags);
331		}
332
333		return $this;
334		}
335
336		/**
337		* @inheritdoc
338		*/
339		public function stop() : self
340		{
341		$this->running = false;
342
343		return $this;
344		}
345		}
346

ThrusterIO / event-loop

EventLoop::isSignalActive() A last analyzed 2016-01-12 13:16 UTC

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EventLoop::isSignalActive() A
last analyzed 2016-01-12 13:16 UTC