Jetpack_Sync_Actions::send_db_checksum() - Code Metrics - Inspection of "New build" - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master-stable ( 1bac3c...e4630d )

by Jeremy

created 2016-08-16 09:36 UTC

Jetpack_Sync_Actions::send_db_checksum() A

↳ Parent: Jetpack_Sync_Actions::do_cron_sync()

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	5
c	1
b	0
f	0
nc	1
nop	0
dl	0
loc	6
rs	9.4285

<?php
require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php';

/**
 * The role of this class is to hook the Sync subsystem into WordPress - when to listen for actions,
 * when to send, when to perform a full sync, etc.
 *
 * It also binds the action to send data to WPCOM to Jetpack's XMLRPC client object.
 */
class Jetpack_Sync_Actions {
	static $sender = null;
class A {
    var $property;
}
	static $listener = null;
class A {
    var $property;
}
	const MAX_INITIAL_SYNC_USERS = 100;
	const INITIAL_SYNC_MULTISITE_INTERVAL = 10;

	static function init() {
		
		// Add a custom "every minute" cron schedule
		add_filter( 'cron_schedules', array( __CLASS__, 'minute_cron_schedule' ) );

		// On jetpack authorization, schedule a full sync
		add_action( 'jetpack_client_authorized', array( __CLASS__, 'schedule_full_sync' ) );
		
		// When imports are finished, schedule a full sync
		add_action( 'import_end', array( __CLASS__, 'schedule_full_sync' ) );

		// When importing via cron, do not sync
		add_action( 'wp_cron_importer_hook', array( __CLASS__, 'set_is_importing_true' ), 1 );

		// Sync connected user role changes to .com
		require_once dirname( __FILE__ ) . '/class.jetpack-sync-users.php';

		// everything below this point should only happen if we're a valid sync site
		if ( ! self::sync_allowed() ) {
			return;
		}

		// cron hooks
		add_action( 'jetpack_sync_full', array( __CLASS__, 'do_full_sync' ), 10, 1 );
		add_action( 'jetpack_sync_cron', array( __CLASS__, 'do_cron_sync' ) );

		if ( ! wp_next_scheduled( 'jetpack_sync_cron' ) ) {
			// Schedule a job to send pending queue items once a minute
			wp_schedule_event( time(), '1min', 'jetpack_sync_cron' );
		}

		/**
		 * Fires on every request before default loading sync listener code.
		 * Return false to not load sync listener code that monitors common
		 * WP actions to be serialized.
		 *
		 * By default this returns true for non-GET-requests, or requests where the
		 * user is logged-in.
		 *
		 * @since 4.2.0
		 *
		 * @param bool should we load sync listener code for this request
		 */
		if ( apply_filters( 'jetpack_sync_listener_should_load',
			(
				'GET' !== $_SERVER['REQUEST_METHOD']
				||
				is_user_logged_in()
				||
				defined( 'PHPUNIT_JETPACK_TESTSUITE' )
			)
		) ) {
			self::initialize_listener();
		}

		/**
		 * Fires on every request before default loading sync sender code.
		 * Return false to not load sync sender code that serializes pending
		 * data and sends it to WPCOM for processing.
		 *
		 * By default this returns true for POST requests, admin requests, or requests
		 * by users who can manage_options.
		 *
		 * @since 4.2.0
		 *
		 * @param bool should we load sync sender code for this request
		 */
		if ( apply_filters( 'jetpack_sync_sender_should_load',
			(
				'POST' === $_SERVER['REQUEST_METHOD']
				||
				current_user_can( 'manage_options' )
				||
				is_admin()
				||
				defined( 'PHPUNIT_JETPACK_TESTSUITE' )
			)
		) ) {
			self::initialize_sender();
			add_action( 'shutdown', array( self::$sender, 'do_sync' ) );
		}

	}

	static function sync_allowed() {
		return ( ! Jetpack_Sync_Settings::get_setting( 'disable' ) && Jetpack::is_active() && ! ( Jetpack::is_development_mode() || Jetpack::is_staging_site() ) )
			   || defined( 'PHPUNIT_JETPACK_TESTSUITE' );
	}

	static function set_is_importing_true() {
		Jetpack_Sync_Settings::set_importing( true );
	}

	static function send_data( $data, $codec_name, $sent_timestamp, $queue_id ) {
		Jetpack::load_xml_rpc_client();

		$url = add_query_arg( array(
			'sync'      => '1', // add an extra parameter to the URL so we can tell it's a sync action
			'codec'     => $codec_name, // send the name of the codec used to encode the data
			'timestamp' => $sent_timestamp, // send current server time so we can compensate for clock differences
			'queue'     => $queue_id, // sync or full_sync
		), Jetpack::xmlrpc_api_url() );

		$rpc = new Jetpack_IXR_Client( array(
			'url'     => $url,
			'user_id' => JETPACK_MASTER_USER,
			'timeout' => 30,
		) );

		$result = $rpc->query( 'jetpack.syncActions', $data );

		if ( ! $result ) {
			return $rpc->get_jetpack_error();
		}

		return $rpc->getResponse();
	}

	static function get_initial_sync_user_config() {
		global $wpdb;

		$user_ids = $wpdb->get_col( "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '{$wpdb->prefix}user_level' AND meta_value > 0 LIMIT " . ( self::MAX_INITIAL_SYNC_USERS + 1 ) );

		if ( count( $user_ids ) <= self::MAX_INITIAL_SYNC_USERS ) {
			return $user_ids;
		} else {
			return false;
		}
	}

	static function schedule_initial_sync() {
		// we need this function call here because we have to run this function
		// reeeeally early in init, before WP_CRON_LOCK_TIMEOUT is defined.
		wp_functionality_constants();

		if ( is_multisite() ) {
			// stagger initial syncs for multisite blogs so they don't all pile on top of each other
			$time_offset = ( rand() / getrandmax() ) * self::INITIAL_SYNC_MULTISITE_INTERVAL * get_blog_count();
		} else {
			$time_offset = 1;
		}

		self::schedule_full_sync( 
			array( 
				'options' => true, 
				'network_options' => true, 
				'functions' => true, 
				'constants' => true, 
				'users' => self::get_initial_sync_user_config() 
			),
			$time_offset
		);
	}

	static function schedule_full_sync( $modules = null, $time_offset = 1 ) {
		if ( ! self::sync_allowed() ) {
			return false;
		}

		if ( self::is_scheduled_full_sync() ) {
			self::unschedule_all_full_syncs();
		}

		if ( $modules ) {
			wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full', array( $modules ) );
		} else {
			wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full' );
		}

		if ( $time_offset === 1 ) {
			spawn_cron();
		}

		return true;
	}

	static function unschedule_all_full_syncs() {
		foreach ( _get_cron_array() as $timestamp => $cron ) {
			if ( ! empty( $cron['jetpack_sync_full'] ) ) {
				foreach( $cron['jetpack_sync_full'] as $key => $config ) {
					wp_unschedule_event( $timestamp, 'jetpack_sync_full', $config['args'] );
				}
			}
		}
	}

	static function is_scheduled_full_sync( $modules = null ) {
		if ( is_null( $modules ) ) {
			$crons = _get_cron_array();
			
			foreach ( $crons as $timestamp => $cron ) {
				if ( ! empty( $cron['jetpack_sync_full'] ) ) {
					return true;
				}
			}
			return false;
		}

		return wp_next_scheduled( 'jetpack_sync_full', array( $modules ) );
	}

	static function do_full_sync( $modules = null ) {
		if ( ! self::sync_allowed() ) {
			return;
		}

		self::initialize_listener();
		Jetpack_Sync_Modules::get_module( 'full-sync' )->start( $modules );
		self::do_cron_sync(); // immediately run a cron sync, which sends pending data
	}

	static function minute_cron_schedule( $schedules ) {
		if( ! isset( $schedules["1min"] ) ) {
			$schedules["1min"] = array(
				'interval' => 60,
				'display' => __( 'Every minute' ) 
			);
		}
		return $schedules;
	}

	// try to send actions until we run out of things to send,
	// or have to wait more than 15s before sending again,
	// or we hit a lock or some other sending issue
	static function do_cron_sync() {
		if ( ! self::sync_allowed() ) {
			return;
		}

		self::initialize_sender();
		
		// remove shutdown hook - no need to sync twice
		if ( has_action( 'shutdown', array( self::$sender, 'do_sync' ) ) ) {
			remove_action( 'shutdown', array( self::$sender, 'do_sync' ) );
		}

		do {
			$next_sync_time = self::$sender->get_next_sync_time();
			
			if ( $next_sync_time ) {
				$delay = $next_sync_time - time() + 1;
				if ( $delay > 15 ) {
					break;
				} elseif ( $delay > 0 ) {
					sleep( $delay );
				}
			}

			$result = self::$sender->do_sync();
		} while ( $result );
	}

	static function initialize_listener() {
		require_once dirname( __FILE__ ) . '/class.jetpack-sync-listener.php';
		self::$listener = Jetpack_Sync_Listener::get_instance();
	}

	static function initialize_sender() {
		require_once dirname( __FILE__ ) . '/class.jetpack-sync-sender.php';
		self::$sender = Jetpack_Sync_Sender::get_instance();

		// bind the sending process
		add_filter( 'jetpack_sync_send_data', array( __CLASS__, 'send_data' ), 10, 4 );
	}
}

// Allow other plugins to add filters before we initialize the actions.
// Load the listeners if before modules get loaded so that we can capture version changes etc.
add_action( 'init', array( 'Jetpack_Sync_Actions', 'init' ), 90 );

// We need to define this here so that it's hooked before `updating_jetpack_version` is called
add_action( 'updating_jetpack_version', array( 'Jetpack_Sync_Actions', 'schedule_initial_sync' ), 10 );


1			<?php
2			require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php';
3
4			/**
5			* The role of this class is to hook the Sync subsystem into WordPress - when to listen for actions,
6			* when to send, when to perform a full sync, etc.
7			*
8			* It also binds the action to send data to WPCOM to Jetpack's XMLRPC client object.
9			*/
10			class Jetpack_Sync_Actions {
11			static $sender = null;
			0 ignored issues – show Coding Style introduced 2016-06-29 22:35 UTC by Report Bug Copy Issue Report The visibility should be declared for property `$sender`. The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using class A { var $property; } the property is implicitly global. To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2. Loading history...
12			static $listener = null;
			0 ignored issues – show Coding Style introduced 2016-06-30 03:18 UTC by Report Bug Copy Issue Report The visibility should be declared for property `$listener`. The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using class A { var $property; } the property is implicitly global. To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2. Loading history...
13			const MAX_INITIAL_SYNC_USERS = 100;
14			const INITIAL_SYNC_MULTISITE_INTERVAL = 10;
15
16			static function init() {
17
18			// Add a custom "every minute" cron schedule
19			add_filter( 'cron_schedules', array( __CLASS__, 'minute_cron_schedule' ) );
20
21			// On jetpack authorization, schedule a full sync
22			add_action( 'jetpack_client_authorized', array( __CLASS__, 'schedule_full_sync' ) );
23
24			// When imports are finished, schedule a full sync
25			add_action( 'import_end', array( __CLASS__, 'schedule_full_sync' ) );
26
27			// When importing via cron, do not sync
28			add_action( 'wp_cron_importer_hook', array( __CLASS__, 'set_is_importing_true' ), 1 );
29
30			// Sync connected user role changes to .com
31			require_once dirname( __FILE__ ) . '/class.jetpack-sync-users.php';
32
33			// everything below this point should only happen if we're a valid sync site
34			if ( ! self::sync_allowed() ) {
35			return;
36			}
37
38			// cron hooks
39			add_action( 'jetpack_sync_full', array( __CLASS__, 'do_full_sync' ), 10, 1 );
40			add_action( 'jetpack_sync_cron', array( __CLASS__, 'do_cron_sync' ) );
41
42			if ( ! wp_next_scheduled( 'jetpack_sync_cron' ) ) {
43			// Schedule a job to send pending queue items once a minute
44			wp_schedule_event( time(), '1min', 'jetpack_sync_cron' );
45			}
46
47			/**
48			* Fires on every request before default loading sync listener code.
49			* Return false to not load sync listener code that monitors common
50			* WP actions to be serialized.
51			*
52			* By default this returns true for non-GET-requests, or requests where the
53			* user is logged-in.
54			*
55			* @since 4.2.0
56			*
57			* @param bool should we load sync listener code for this request
58			*/
59			if ( apply_filters( 'jetpack_sync_listener_should_load',
60			(
61			'GET' !== $_SERVER['REQUEST_METHOD']
62			\|\|
63			is_user_logged_in()
64			\|\|
65			defined( 'PHPUNIT_JETPACK_TESTSUITE' )
66			)
67			) ) {
68			self::initialize_listener();
69			}
70
71			/**
72			* Fires on every request before default loading sync sender code.
73			* Return false to not load sync sender code that serializes pending
74			* data and sends it to WPCOM for processing.
75			*
76			* By default this returns true for POST requests, admin requests, or requests
77			* by users who can manage_options.
78			*
79			* @since 4.2.0
80			*
81			* @param bool should we load sync sender code for this request
82			*/
83			if ( apply_filters( 'jetpack_sync_sender_should_load',
84			(
85			'POST' === $_SERVER['REQUEST_METHOD']
86			\|\|
87			current_user_can( 'manage_options' )
88			\|\|
89			is_admin()
90			\|\|
91			defined( 'PHPUNIT_JETPACK_TESTSUITE' )
92			)
93			) ) {
94			self::initialize_sender();
95			add_action( 'shutdown', array( self::$sender, 'do_sync' ) );
96			}
97
98			}
99
100			static function sync_allowed() {
101			return ( ! Jetpack_Sync_Settings::get_setting( 'disable' ) && Jetpack::is_active() && ! ( Jetpack::is_development_mode() \|\| Jetpack::is_staging_site() ) )
102			\|\| defined( 'PHPUNIT_JETPACK_TESTSUITE' );
103			}
104
105			static function set_is_importing_true() {
106			Jetpack_Sync_Settings::set_importing( true );
107			}
108
109			static function send_data( $data, $codec_name, $sent_timestamp, $queue_id ) {
110			Jetpack::load_xml_rpc_client();
111
112			$url = add_query_arg( array(
113			'sync' => '1', // add an extra parameter to the URL so we can tell it's a sync action
114			'codec' => $codec_name, // send the name of the codec used to encode the data
115			'timestamp' => $sent_timestamp, // send current server time so we can compensate for clock differences
116			'queue' => $queue_id, // sync or full_sync
117			), Jetpack::xmlrpc_api_url() );
118
119			$rpc = new Jetpack_IXR_Client( array(
120			'url' => $url,
121			'user_id' => JETPACK_MASTER_USER,
122			'timeout' => 30,
123			) );
124
125			$result = $rpc->query( 'jetpack.syncActions', $data );
126
127			if ( ! $result ) {
128			return $rpc->get_jetpack_error();
129			}
130
131			return $rpc->getResponse();
132			}
133
134			static function get_initial_sync_user_config() {
135			global $wpdb;
136
137			$user_ids = $wpdb->get_col( "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '{$wpdb->prefix}user_level' AND meta_value > 0 LIMIT " . ( self::MAX_INITIAL_SYNC_USERS + 1 ) );
138
139			if ( count( $user_ids ) <= self::MAX_INITIAL_SYNC_USERS ) {
140			return $user_ids;
141			} else {
142			return false;
143			}
144			}
145
146			static function schedule_initial_sync() {
147			// we need this function call here because we have to run this function
148			// reeeeally early in init, before WP_CRON_LOCK_TIMEOUT is defined.
149			wp_functionality_constants();
150
151			if ( is_multisite() ) {
152			// stagger initial syncs for multisite blogs so they don't all pile on top of each other
153			$time_offset = ( rand() / getrandmax() ) * self::INITIAL_SYNC_MULTISITE_INTERVAL * get_blog_count();
154			} else {
155			$time_offset = 1;
156			}
157
158			self::schedule_full_sync(
159			array(
160			'options' => true,
161			'network_options' => true,
162			'functions' => true,
163			'constants' => true,
164			'users' => self::get_initial_sync_user_config()
165			),
166			$time_offset
167			);
168			}
169
170			static function schedule_full_sync( $modules = null, $time_offset = 1 ) {
171			if ( ! self::sync_allowed() ) {
172			return false;
173			}
174
175			if ( self::is_scheduled_full_sync() ) {
176			self::unschedule_all_full_syncs();
177			}
178
179			if ( $modules ) {
180			wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full', array( $modules ) );
181			} else {
182			wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full' );
183			}
184
185			if ( $time_offset === 1 ) {
186			spawn_cron();
187			}
188
189			return true;
190			}
191
192			static function unschedule_all_full_syncs() {
193			foreach ( _get_cron_array() as $timestamp => $cron ) {
194			if ( ! empty( $cron['jetpack_sync_full'] ) ) {
195			foreach( $cron['jetpack_sync_full'] as $key => $config ) {
196			wp_unschedule_event( $timestamp, 'jetpack_sync_full', $config['args'] );
197			}
198			}
199			}
200			}
201
202			static function is_scheduled_full_sync( $modules = null ) {
203			if ( is_null( $modules ) ) {
204			$crons = _get_cron_array();
205
206			foreach ( $crons as $timestamp => $cron ) {
207			if ( ! empty( $cron['jetpack_sync_full'] ) ) {
208			return true;
209			}
210			}
211			return false;
212			}
213
214			return wp_next_scheduled( 'jetpack_sync_full', array( $modules ) );
215			}
216
217			static function do_full_sync( $modules = null ) {
218			if ( ! self::sync_allowed() ) {
219			return;
220			}
221
222			self::initialize_listener();
223			Jetpack_Sync_Modules::get_module( 'full-sync' )->start( $modules );
224			self::do_cron_sync(); // immediately run a cron sync, which sends pending data
225			}
226
227			static function minute_cron_schedule( $schedules ) {
228			if( ! isset( $schedules["1min"] ) ) {
229			$schedules["1min"] = array(
230			'interval' => 60,
231			'display' => __( 'Every minute' )
232			);
233			}
234			return $schedules;
235			}
236
237			// try to send actions until we run out of things to send,
238			// or have to wait more than 15s before sending again,
239			// or we hit a lock or some other sending issue
240			static function do_cron_sync() {
241			if ( ! self::sync_allowed() ) {
242			return;
243			}
244
245			self::initialize_sender();
246
247			// remove shutdown hook - no need to sync twice
248			if ( has_action( 'shutdown', array( self::$sender, 'do_sync' ) ) ) {
249			remove_action( 'shutdown', array( self::$sender, 'do_sync' ) );
250			}
251
252			do {
253			$next_sync_time = self::$sender->get_next_sync_time();
254
255			if ( $next_sync_time ) {
256			$delay = $next_sync_time - time() + 1;
257			if ( $delay > 15 ) {
258			break;
259			} elseif ( $delay > 0 ) {
260			sleep( $delay );
261			}
262			}
263
264			$result = self::$sender->do_sync();
265			} while ( $result );
266			}
267
268			static function initialize_listener() {
269			require_once dirname( __FILE__ ) . '/class.jetpack-sync-listener.php';
270			self::$listener = Jetpack_Sync_Listener::get_instance();
271			}
272
273			static function initialize_sender() {
274			require_once dirname( __FILE__ ) . '/class.jetpack-sync-sender.php';
275			self::$sender = Jetpack_Sync_Sender::get_instance();
276
277			// bind the sending process
278			add_filter( 'jetpack_sync_send_data', array( __CLASS__, 'send_data' ), 10, 4 );
279			}
280			}
281
282			// Allow other plugins to add filters before we initialize the actions.
283			// Load the listeners if before modules get loaded so that we can capture version changes etc.
284			add_action( 'init', array( 'Jetpack_Sync_Actions', 'init' ), 90 );
285
286			// We need to define this here so that it's hooked before `updating_jetpack_version` is called
287			add_action( 'updating_jetpack_version', array( 'Jetpack_Sync_Actions', 'schedule_initial_sync' ), 10 );
288

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Push — master-stable ( 1bac3c...e4630d )

Jetpack_Sync_Actions::send_db_checksum() A

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