MongoNode::touchCursor() - Code Metrics - Inspection of "/Examples moved into /PHPDaemon/Examples" - kakserpom/phpdaemon - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( f6c83d...982358 )

by Vasily

created 2016-07-11 15:07 UTC

MongoNode::touchCursor() C

↳ Parent: MongoNode

Complexity

Conditions	8
Paths	7

Size

Total Lines	38
Code Lines	23

Duplication

Lines	3
Ratio	7.89 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	8
eloc	23
c	1
b	0
f	0
nc	7
nop	0
dl	3
loc	38
rs	5.3846

<?php
namespace PHPDaemon\Examples;

/**
 * @package    Applications
 * @subpackage MongoNode
 *
 * @author     Vasily Zorin <[email protected]>
 */
class MongoNode extends \PHPDaemon\Core\AppInstance
{

    public $db; // MongoClient
    public $cache; // MemcacheClient
    public $LockClient; // LockClient
    public $cursor; // Tailable cursor
    public $timer;
    protected $inited = false;

    /**
     * Constructor.
     * @return void
     */
    public function init()
    {
        $this->db = \PHPDaemon\Clients\Mongo\Pool::getInstance($this->config->mongoclientname->value);
        $this->cache = \PHPDaemon\Clients\Memcache\Pool::getInstance($this->config->memcacheclientname->value);
        if (!isset($this->config->limitinstances)) {
            $this->log('missing \'limitInstances\' directive');
        }
    }

    /**
     * Called when the worker is ready to go.
     * @return void
     */
    public function onReady()
    {
        if ($this->config->enable->value) {
            $this->timer = setTimeout(function ($timer) {

                $this->touchCursor();
            }, 0.3e6);
        }
    }

    public function touchCursor()
    {
        if (!$this->cursor) {
            if (!$this->inited) {
                $this->inited = true;

                $this->cache->get('_rp',
                    function ($answer) {
                        $this->inited = false;
                        $e = explode(' ', $answer->result);

                        if (isset($e[1])) {
                            $ts = new \MongoTimestamp((int)$e[0], (int)$e[1]);
                        } else {
                            $ts = new \MongoTimestamp(0, 0);
                        }

                        if (\PHPDaemon\Core\Daemon::$config->logevents->value) {

                            \PHPDaemon\Core\Daemon::log('MongoNode: replication point - ' . $answer->result . ' (' . \PHPDaemon\Core\Debug::dump($ts) . ')');

                        }

                        $this->initSlave($ts);
                    }
                );
            }
        } elseif (!$this->cursor->session->busy) {
            if ($this->cursor->lastOpId !== null) {
                $this->cache->set('_rp', $this->cursor->lastOpId);
                $this->cursor->lastOpId = null;
            }

            try {
                $this->cursor->getMore();
            } catch (\PHPDaemon\Clients\Mongo\ConnectionFinished $e) {
                $this->cursor = false;
            }
        }
    }

    /**
     * Initializes slave session.
     * @param object Object.
     * @param \MongoTimestamp $point
     * @return void
     */
    public function initSlave($point)
    {
        $this->db->{'local.oplog.$main'}->find(

        /**
         * @param \MongoTimestamp $cursor
         */
            function ($cursor) {
                $this->cursor = $cursor;
                $cursor->state = 1;

                $cursor->lastOpId = null;


                foreach ($cursor->items as $k => &$item) {

                    if (\PHPDaemon\Core\Daemon::$config->logevents->value) {

                        \PHPDaemon\Core\Daemon::log(get_class($this) . ': caught oplog-record with ts = (' . \PHPDaemon\Core\Debug::dump($item['ts']) . ')');

                    }

                    $cursor->lastOpId = $item['ts'];

                    if ($item['op'] === 'i') {
                        $this->cacheObject($item['o']);
                    } elseif ($item['op'] === 'd') {
                        $this->deleteObject($item['o']);
                    } elseif ($item['op'] === 'u') {
                        if (
                            isset($item['b'])
                            && ($item['b'] === false)
                        ) {
                            $item['o']['_id'] = $item['o2']['_id'];
                            $this->cacheObject($item['o']);
                        } else {
                            $cursor->appInstance->{$item['ns']}->findOne(


                            /**
                             * @param \MongoTimestamp $item
                             */
                                function ($item) {
                                    $this->cacheObject($item);
                                },
                                ['where' => ['_id' => $item['o2']['_id']]]
                            );
                        }
                    }

                    unset($cursor->items[$k]);
                }
            }, [
                'tailable' => true,
                'sort' => ['$natural' => 1],
                'snapshot' => 1,
                'where' => [
                    'ts' => [
                        '$gt' => $point
                    ],
                    '$exists' => [
                        '_key' => true
                    ]
                ],
                'parse_oplog' => true,
            ]
        );
    }

    /**
     * Method called when object received.
     * @param object Object.
     * @return void
     */
    public function cacheObject($o)
    {
        if (\PHPDaemon\Core\Daemon::$config->logevents->value) {

            \PHPDaemon\Core\Daemon::log(__METHOD__ . '(' . json_encode($o) . ')');
        }

        if (isset($o['_key'])) {
            $this->cache->set($o['_key'], bson_encode($o));
            $this->cache->set('_id.' . ((string)$o['_id']), $o['_key']);
        }

        if (isset($o['_ev'])) {
            $o['name'] = $o['_ev'];

            if (\PHPDaemon\Core\Daemon::$config->logevents->value) {
                \PHPDaemon\Core\Daemon::log('MongoNode send event ' . $o['name']);
            }
        }
    }

    /**
     * Method called when object deleted.
     * @param object Object.
     * @return void
     */
    public function deleteObject($o)
    {
        if (\PHPDaemon\Core\Daemon::$config->logevents->value) {

            \PHPDaemon\Core\Daemon::log(__METHOD__ . '(' . json_encode($o) . ')');
        }

        $this->cache->get('_id.' . ((string)$o['_id']),
            function ($mc) use ($o) {
                if (is_string($m->result)) {
                    $mc->delete($m->result);

                    $mc->delete('_id.' . $o['_id']);
                }
            }
        );
    }

    /**
     * Setting default config options
     * Overriden from AppInstance::getConfigDefaults
     * @return array|false
     */
    protected function getConfigDefaults()
    {
        return [
            'mongoclientname' => '',
            'memcacheclientname' => '',
        ];
    }
}


1		<?php
2		namespace PHPDaemon\Examples;
3
4		/**
5		* @package Applications
6		* @subpackage MongoNode
7		*
8		* @author Vasily Zorin <[email protected]>
9		*/
10		class MongoNode extends \PHPDaemon\Core\AppInstance
11		{
12
13		public $db; // MongoClient
14		public $cache; // MemcacheClient
15		public $LockClient; // LockClient
16		public $cursor; // Tailable cursor
17		public $timer;
18		protected $inited = false;
19
20		/**
21		* Constructor.
22		* @return void
23		*/
24		public function init()
25		{
26		$this->db = \PHPDaemon\Clients\Mongo\Pool::getInstance($this->config->mongoclientname->value);
27		$this->cache = \PHPDaemon\Clients\Memcache\Pool::getInstance($this->config->memcacheclientname->value);
28		if (!isset($this->config->limitinstances)) {
29		$this->log('missing \'limitInstances\' directive');
30		}
31		}
32
33		/**
34		* Called when the worker is ready to go.
35		* @return void
36		*/
37		public function onReady()
38		{
39		if ($this->config->enable->value) {
40		$this->timer = setTimeout(function ($timer) {
		0 ignored issues – show Unused Code introduced 2015-12-06 14:42 UTC by Report Bug Copy Issue Report The parameter `$timer` 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...
41		$this->touchCursor();
42		}, 0.3e6);
43		}
44		}
45
46		public function touchCursor()
47		{
48		if (!$this->cursor) {
49		if (!$this->inited) {
50		$this->inited = true;
51
52		$this->cache->get('_rp',
53		function ($answer) {
54		$this->inited = false;
55		$e = explode(' ', $answer->result);
56
57		if (isset($e[1])) {
58		$ts = new \MongoTimestamp((int)$e[0], (int)$e[1]);
59		} else {
60		$ts = new \MongoTimestamp(0, 0);
61		}
62
63	View Code Duplication	if (\PHPDaemon\Core\Daemon::$config->logevents->value) {
		0 ignored issues – show Bug introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report The property `logevents` does not seem to exist in `PHPDaemon\Config\Object`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history... Duplication introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report This code seems to be duplicated across 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...
64		\PHPDaemon\Core\Daemon::log('MongoNode: replication point - ' . $answer->result . ' (' . \PHPDaemon\Core\Debug::dump($ts) . ')');
		0 ignored issues – show Coding Style introduced 2016-02-05 10:49 UTC by Report Bug Copy Issue Report This line exceeds maximum limit of 120 characters; contains 157 characters Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line. Loading history...
65		}
66
67		$this->initSlave($ts);
68		}
69		);
70		}
71		} elseif (!$this->cursor->session->busy) {
72		if ($this->cursor->lastOpId !== null) {
73		$this->cache->set('_rp', $this->cursor->lastOpId);
74		$this->cursor->lastOpId = null;
75		}
76
77		try {
78		$this->cursor->getMore();
79		} catch (\PHPDaemon\Clients\Mongo\ConnectionFinished $e) {
80		$this->cursor = false;
81		}
82		}
83		}
84
85		/**
86		* Initializes slave session.
87		* @param object Object.
88		* @param \MongoTimestamp $point
89		* @return void
90		*/
91		public function initSlave($point)
92		{
93		$this->db->{'local.oplog.$main'}->find(
94
95		/**
96		* @param \MongoTimestamp $cursor
97		*/
98		function ($cursor) {
99		$this->cursor = $cursor;
100		$cursor->state = 1;
		0 ignored issues – show Bug introduced 2015-12-06 14:42 UTC by Report Bug Copy Issue Report The property `state` does not seem to exist in `MongoTimestamp`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
101		$cursor->lastOpId = null;
		0 ignored issues – show Bug introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report The property `lastOpId` does not seem to exist in `MongoTimestamp`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
102
103		foreach ($cursor->items as $k => &$item) {
		0 ignored issues – show Bug introduced 2015-12-06 14:42 UTC by Report Bug Copy Issue Report The property `items` does not seem to exist in `MongoTimestamp`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
104	View Code Duplication	if (\PHPDaemon\Core\Daemon::$config->logevents->value) {
		0 ignored issues – show Bug introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report The property `logevents` does not seem to exist in `PHPDaemon\Config\Object`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history... Duplication introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
105		\PHPDaemon\Core\Daemon::log(get_class($this) . ': caught oplog-record with ts = (' . \PHPDaemon\Core\Debug::dump($item['ts']) . ')');
		0 ignored issues – show Coding Style introduced 2016-02-05 10:49 UTC by Report Bug Copy Issue Report This line exceeds maximum limit of 120 characters; contains 157 characters Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line. Loading history...
106		}
107
108		$cursor->lastOpId = $item['ts'];
109
110		if ($item['op'] === 'i') {
111		$this->cacheObject($item['o']);
112		} elseif ($item['op'] === 'd') {
113		$this->deleteObject($item['o']);
114		} elseif ($item['op'] === 'u') {
115		if (
116		isset($item['b'])
117		&& ($item['b'] === false)
118		) {
119		$item['o']['_id'] = $item['o2']['_id'];
120		$this->cacheObject($item['o']);
121		} else {
122		$cursor->appInstance->{$item['ns']}->findOne(
		0 ignored issues – show Bug introduced 2015-12-06 14:42 UTC by Report Bug Copy Issue Report The property `appInstance` does not seem to exist in `MongoTimestamp`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
123
124		/**
125		* @param \MongoTimestamp $item
126		*/
127		function ($item) {
128		$this->cacheObject($item);
129		},
130		['where' => ['_id' => $item['o2']['_id']]]
131		);
132		}
133		}
134
135		unset($cursor->items[$k]);
136		}
137		}, [
138		'tailable' => true,
139		'sort' => ['$natural' => 1],
140		'snapshot' => 1,
141		'where' => [
142		'ts' => [
143		'$gt' => $point
144		],
145		'$exists' => [
146		'_key' => true
147		]
148		],
149		'parse_oplog' => true,
150		]
151		);
152		}
153
154		/**
155		* Method called when object received.
156		* @param object Object.
157		* @return void
158		*/
159		public function cacheObject($o)
160		{
161	View Code Duplication	if (\PHPDaemon\Core\Daemon::$config->logevents->value) {
		0 ignored issues – show Bug introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report The property `logevents` does not seem to exist in `PHPDaemon\Config\Object`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history... Duplication introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report This code seems to be duplicated across 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...
162		\PHPDaemon\Core\Daemon::log(__METHOD__ . '(' . json_encode($o) . ')');
163		}
164
165		if (isset($o['_key'])) {
166		$this->cache->set($o['_key'], bson_encode($o));
167		$this->cache->set('_id.' . ((string)$o['_id']), $o['_key']);
168		}
169
170		if (isset($o['_ev'])) {
171		$o['name'] = $o['_ev'];
172
173		if (\PHPDaemon\Core\Daemon::$config->logevents->value) {
174		\PHPDaemon\Core\Daemon::log('MongoNode send event ' . $o['name']);
175		}
176		}
177		}
178
179		/**
180		* Method called when object deleted.
181		* @param object Object.
182		* @return void
183		*/
184		public function deleteObject($o)
185		{
186	View Code Duplication	if (\PHPDaemon\Core\Daemon::$config->logevents->value) {
		0 ignored issues – show Bug introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report The property `logevents` does not seem to exist in `PHPDaemon\Config\Object`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history... Duplication introduced 2016-07-11 15:14 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
187		\PHPDaemon\Core\Daemon::log(__METHOD__ . '(' . json_encode($o) . ')');
188		}
189
190		$this->cache->get('_id.' . ((string)$o['_id']),
191		function ($mc) use ($o) {
192		if (is_string($m->result)) {
193		$mc->delete($m->result);
		0 ignored issues – show Bug introduced 2015-12-06 14:42 UTC by Report Bug Copy Issue Report The variable `$m` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history...
194		$mc->delete('_id.' . $o['_id']);
195		}
196		}
197		);
198		}
199
200		/**
201		* Setting default config options
202		* Overriden from AppInstance::getConfigDefaults
203		* @return array\|false
204		*/
205		protected function getConfigDefaults()
206		{
207		return [
208		'mongoclientname' => '',
209		'memcacheclientname' => '',
210		];
211		}
212		}
213

kakserpom / phpdaemon

Push — master ( f6c83d...982358 )

MongoNode::touchCursor() C

Complexity

Size

Duplication

Importance

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