EventLoop::tick() - Code Metrics - Inspection of "Initial Commit" - ThrusterIO/event-loop - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c378f9...25a4f3 )

by Aurimas

created 2015-12-12 14:14 UTC

EventLoop::tick() A

↳ 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	0
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);
        }
    }

    /**
     * @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 $this;
    }

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

    /**
     * @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 $this;
    }

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

    /**
     * @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);
    }

    /**
     * @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
203		/**
204		* @inheritdoc
205		*/
206		public function isTimerActive(Timer $timer) : bool
207		{
208		return $this->timers->contains($timer);
209		}
210
211		/**
212		* @inheritdoc
213		*/
214	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...
215		{
216		$signal = new Signal($this, $signalNo, $callback, $priority);
217
218		$internalCallback = function ($evSignal) use ($signal) {
219		call_user_func($signal->getCallback(), $signal, $evSignal);
220		};
221
222		$event = $this->loop->signal($signalNo, $internalCallback, null, $priority);
223
224		$this->signals->attach($signal, $event);
225
226		return $this;
227		}
228
229		/**
230		* @inheritdoc
231		*/
232		public function cancelSignal(Signal $signal) : self
233		{
234		if (isset($this->signals[$signal])) {
235		$this->signals[$signal]->stop();
236		$this->signals->detach($signal);
237		}
238		}
239
240		/**
241		* @inheritdoc
242		*/
243		public function isSignalActive(Signal $signal) : bool
244		{
245		return $this->signals->contains($signal);
246		}
247
248		/**
249		* @inheritdoc
250		*/
251	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...
252		{
253		$child = new Child($this, $pid, $callback, $priority);
254
255		$internalCallback = function ($evChild) use ($child) {
256		call_user_func($child->getCallback(), $child, $evChild);
257		};
258
259		$event = $this->loop->child($pid, false, $internalCallback, null, $priority);
260
261		$this->signals->attach($child, $event);
262
263		return $this;
264		}
265
266		/**
267		* @inheritdoc
268		*/
269		public function cancelChild(Child $child) : self
270		{
271		if (isset($this->children[$child])) {
272		$this->children[$child]->stop();
273		$this->children->detach($child);
274		}
275		}
276
277		/**
278		* @inheritdoc
279		*/
280		public function isChildActive(Child $child) : bool
281		{
282		return $this->children->contains($child);
283		}
284
285		/**
286		* @inheritdoc
287		*/
288		public function afterFork() : self
289		{
290		$this->loop->loopFork();
291
292		return $this;
293		}
294
295		/**
296		* {@inheritDoc}
297		*/
298		public function tick() : self
299		{
300		$this->loop->run(Ev::RUN_ONCE \| Ev::RUN_NOWAIT);
301		}
302
303		/**
304		* @inheritdoc
305		*/
306		public function run() : self
307		{
308		$this->running = true;
309
310		while ($this->running) {
311		$flags = Ev::RUN_ONCE;
312
313		if ($this->timers->count() < 1 &&
314		$this->signals->count() < 1 &&
315		$this->children->count() < 1 &&
316		count($this->readEvents) < 1 &&
317		count($this->writeEvents) < 1
318		) {
319		break;
320		}
321
322		$this->loop->run($flags);
323		}
324
325		return $this;
326		}
327
328		/**
329		* @inheritdoc
330		*/
331		public function stop() : self
332		{
333		$this->running = false;
334
335		return $this;
336		}
337		}
338

ThrusterIO / event-loop

Push — master ( c378f9...25a4f3 )

EventLoop::tick() A

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