Jetpack_Sync_Actions::maybe_schedule_sync_cron() - Code Metrics - Inspection of "Nicified Readme" - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

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created 2016-10-13 18:48 UTC

Jetpack_Sync_Actions::maybe_schedule_sync_cron() A

↳ Parent: Jetpack_Sync_Actions

Complexity

Conditions	4
Paths	4

Size

Total Lines	15
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
eloc	9
nc	4
nop	2
dl	0
loc	15
rs	9.2
c	0
b	0
f	0

<?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 INITIAL_SYNC_MULTISITE_INTERVAL = 10;
	const DEFAULT_SYNC_CRON_INTERVAL = '1min';

	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' ), 10, 0 );

		// 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;
		}

		// publicize filter to prevent publicizing blacklisted post types
		add_filter( 'publicize_should_publicize_published_post', array( __CLASS__, 'prevent_publicize_blacklisted_posts' ), 10, 2 );

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

		self::init_sync_cron_jobs();

		/**
		 * 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 cron jobs, 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',
			(
				( isset( $_SERVER["REQUEST_METHOD"] ) && 'GET' !== $_SERVER['REQUEST_METHOD'] )
				||
				is_user_logged_in()
				||
				defined( 'PHPUNIT_JETPACK_TESTSUITE' )
				||
				defined( 'DOING_CRON' ) && DOING_CRON
			)
		) ) {
			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 cron jobs, 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',
			(
				( isset( $_SERVER["REQUEST_METHOD"] ) && 'POST' === $_SERVER['REQUEST_METHOD'] )
				||
				current_user_can( 'manage_options' )
				||
				is_admin()
				||
				defined( 'PHPUNIT_JETPACK_TESTSUITE' )
				||
				defined( 'DOING_CRON' ) && DOING_CRON
			)
		) ) {
			self::initialize_sender();
			add_action( 'shutdown', array( self::$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 prevent_publicize_blacklisted_posts( $should_publicize, $post ) {
		if ( in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) ) ) {
			return false;
		}

		return $should_publicize;
	}

	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();

		$query_args = 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
		);

		if ( Jetpack::sync_idc_optin() ) {
			$query_args['home']    = get_home_url(); // Send home url option to check for Identity Crisis server-side
			$query_args['siteurl'] = get_site_url(); // Send home url option to check for Identity Crisis server-side
		}

		$url = add_query_arg( $query_args, 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 schedule_initial_sync( $new_version = null, $old_version = null ) {
		$initial_sync_config = array(
			'options' => true,
			'network_options' => true,
			'functions' => true,
			'constants' => true,
		);

		if ( $old_version && ( version_compare( $old_version, '4.2', '<' ) ) ) {
			$initial_sync_config['users'] = 'initial';
		}

		// 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(
			$initial_sync_config,
			$time_offset
		);
	}

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

		if ( Jetpack_Sync_Settings::get_setting( 'avoid_wp_cron' ) ) {
			// run queuing inline
			set_time_limit( 0 );
			self::do_full_sync( $modules );
			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_full_sync(); // immediately run a cron full 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( 'sync' );

			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 do_cron_full_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( 'full_sync' );

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

			$result = self::$sender->do_full_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 );
	}

	static function sanitize_filtered_sync_cron_schedule( $schedule ) {
		$schedule = sanitize_key( $schedule );
		$schedules = wp_get_schedules();

		// Make sure that the schedule has actually been registered using the `cron_intervals` filter.
		if ( isset( $schedules[ $schedule ] ) ) {
			return $schedule;
		}

		return self::DEFAULT_SYNC_CRON_INTERVAL;
	}

	static function maybe_schedule_sync_cron( $schedule, $hook ) {
		if ( ! $hook ) {
			return;
		}
		$schedule = self::sanitize_filtered_sync_cron_schedule( $schedule );

		if ( ! wp_next_scheduled( $hook ) ) {
			// Schedule a job to send pending queue items once a minute
			wp_schedule_event( time(), $schedule, $hook );
		} else if ( $schedule != wp_get_schedule( $hook ) ) {
			// If the schedule has changed, update the schedule
			wp_clear_scheduled_hook( $hook );
			wp_schedule_event( time(), $schedule, $hook );
		}
	}

	static function init_sync_cron_jobs() {
		/**
		 * Allows overriding of the default incremental sync cron schedule which defaults to once per minute.
		 *
		 * @since 4.3.2
		 *
		 * @param string self::DEFAULT_SYNC_CRON_INTERVAL
		 */
		$incremental_sync_cron_schedule = apply_filters( 'jetpack_sync_incremental_sync_interval', self::DEFAULT_SYNC_CRON_INTERVAL );
		self::maybe_schedule_sync_cron( $incremental_sync_cron_schedule, 'jetpack_sync_cron' );

		/**
		 * Allows overriding of the full sync cron schedule which defaults to once per minute.
		 *
		 * @since 4.3.2
		 *
		 * @param string self::DEFAULT_SYNC_CRON_INTERVAL
		 */
		$full_sync_cron_schedule = apply_filters( 'jetpack_sync_full_sync_interval', self::DEFAULT_SYNC_CRON_INTERVAL );
		self::maybe_schedule_sync_cron( $full_sync_cron_schedule, 'jetpack_sync_full_cron' );
	}
}

/**
 * If the site is using alternate cron, we need to init the listener and sender before cron
 * runs. So, we init at a priority of 9.
 * 
 * If the site is using a regular cron job, we init at a priority of 90 which gives plugins a chance
 * to add filters before we initialize.
 */
if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
	add_action( 'init', array( 'Jetpack_Sync_Actions', 'init' ), 9 );
} else {
	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, 2 );


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 INITIAL_SYNC_MULTISITE_INTERVAL = 10;
14		const DEFAULT_SYNC_CRON_INTERVAL = '1min';
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' ), 10, 0 );
23
24		// When importing via cron, do not sync
25		add_action( 'wp_cron_importer_hook', array( __CLASS__, 'set_is_importing_true' ), 1 );
26
27		// Sync connected user role changes to .com
28		require_once dirname( __FILE__ ) . '/class.jetpack-sync-users.php';
29
30		// everything below this point should only happen if we're a valid sync site
31		if ( ! self::sync_allowed() ) {
32		return;
33		}
34
35		// publicize filter to prevent publicizing blacklisted post types
36		add_filter( 'publicize_should_publicize_published_post', array( __CLASS__, 'prevent_publicize_blacklisted_posts' ), 10, 2 );
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		add_action( 'jetpack_sync_full_cron', array( __CLASS__, 'do_cron_full_sync' ) );
42
43		self::init_sync_cron_jobs();
44
45		/**
46		* Fires on every request before default loading sync listener code.
47		* Return false to not load sync listener code that monitors common
48		* WP actions to be serialized.
49		*
50		* By default this returns true for cron jobs, non-GET-requests, or requests where the
51		* user is logged-in.
52		*
53		* @since 4.2.0
54		*
55		* @param bool should we load sync listener code for this request
56		*/
57		if ( apply_filters( 'jetpack_sync_listener_should_load',
58		(
59		( isset( $_SERVER["REQUEST_METHOD"] ) && 'GET' !== $_SERVER['REQUEST_METHOD'] )
60		\|\|
61		is_user_logged_in()
62		\|\|
63		defined( 'PHPUNIT_JETPACK_TESTSUITE' )
64		\|\|
65		defined( 'DOING_CRON' ) && DOING_CRON
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 cron jobs, 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		( isset( $_SERVER["REQUEST_METHOD"] ) && 'POST' === $_SERVER['REQUEST_METHOD'] )
86		\|\|
87		current_user_can( 'manage_options' )
88		\|\|
89		is_admin()
90		\|\|
91		defined( 'PHPUNIT_JETPACK_TESTSUITE' )
92		\|\|
93		defined( 'DOING_CRON' ) && DOING_CRON
94		)
95		) ) {
96		self::initialize_sender();
97		add_action( 'shutdown', array( self::$sender, 'do_sync' ) );
98		}
99
100		}
101
102		static function sync_allowed() {
103		return ( ! Jetpack_Sync_Settings::get_setting( 'disable' ) && Jetpack::is_active() && ! ( Jetpack::is_development_mode() \|\| Jetpack::is_staging_site() ) )
104		\|\| defined( 'PHPUNIT_JETPACK_TESTSUITE' );
105		}
106
107		static function prevent_publicize_blacklisted_posts( $should_publicize, $post ) {
108		if ( in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) ) ) {
109		return false;
110		}
111
112		return $should_publicize;
113		}
114
115		static function set_is_importing_true() {
116		Jetpack_Sync_Settings::set_importing( true );
117		}
118
119		static function send_data( $data, $codec_name, $sent_timestamp, $queue_id ) {
120		Jetpack::load_xml_rpc_client();
121
122		$query_args = array(
123		'sync' => '1', // add an extra parameter to the URL so we can tell it's a sync action
124		'codec' => $codec_name, // send the name of the codec used to encode the data
125		'timestamp' => $sent_timestamp, // send current server time so we can compensate for clock differences
126		'queue' => $queue_id, // sync or full_sync
127		);
128
129		if ( Jetpack::sync_idc_optin() ) {
130		$query_args['home'] = get_home_url(); // Send home url option to check for Identity Crisis server-side
131		$query_args['siteurl'] = get_site_url(); // Send home url option to check for Identity Crisis server-side
132		}
133
134		$url = add_query_arg( $query_args, Jetpack::xmlrpc_api_url() );
135
136		$rpc = new Jetpack_IXR_Client( array(
137		'url' => $url,
138		'user_id' => JETPACK_MASTER_USER,
139		'timeout' => 30,
140		) );
141
142		$result = $rpc->query( 'jetpack.syncActions', $data );
143
144		if ( ! $result ) {
145		return $rpc->get_jetpack_error();
146		}
147
148		return $rpc->getResponse();
149		}
150
151		static function schedule_initial_sync( $new_version = null, $old_version = null ) {
152		$initial_sync_config = array(
153		'options' => true,
154		'network_options' => true,
155		'functions' => true,
156		'constants' => true,
157		);
158
159		if ( $old_version && ( version_compare( $old_version, '4.2', '<' ) ) ) {
160		$initial_sync_config['users'] = 'initial';
161		}
162
163		// we need this function call here because we have to run this function
164		// reeeeally early in init, before WP_CRON_LOCK_TIMEOUT is defined.
165		wp_functionality_constants();
166
167		if ( is_multisite() ) {
168		// stagger initial syncs for multisite blogs so they don't all pile on top of each other
169		$time_offset = ( rand() / getrandmax() ) * self::INITIAL_SYNC_MULTISITE_INTERVAL * get_blog_count();
170		} else {
171		$time_offset = 1;
172		}
173
174		self::schedule_full_sync(
175		$initial_sync_config,
176		$time_offset
177		);
178		}
179
180		static function schedule_full_sync( $modules = null, $time_offset = 1 ) {
181		if ( ! self::sync_allowed() ) {
182		return false;
183		}
184
185		if ( Jetpack_Sync_Settings::get_setting( 'avoid_wp_cron' ) ) {
186		// run queuing inline
187		set_time_limit( 0 );
188		self::do_full_sync( $modules );
189		return false;
190		}
191
192		if ( self::is_scheduled_full_sync() ) {
193		self::unschedule_all_full_syncs();
194		}
195
196		if ( $modules ) {
197		wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full', array( $modules ) );
198		} else {
199		wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full' );
200		}
201
202		if ( $time_offset === 1 ) {
203		spawn_cron();
204		}
205
206		return true;
207		}
208
209		static function unschedule_all_full_syncs() {
210		foreach ( _get_cron_array() as $timestamp => $cron ) {
211		if ( ! empty( $cron['jetpack_sync_full'] ) ) {
212		foreach( $cron['jetpack_sync_full'] as $key => $config ) {
213		wp_unschedule_event( $timestamp, 'jetpack_sync_full', $config['args'] );
214		}
215		}
216		}
217		}
218
219		static function is_scheduled_full_sync( $modules = null ) {
220		if ( is_null( $modules ) ) {
221		$crons = _get_cron_array();
222
223		foreach ( $crons as $timestamp => $cron ) {
224		if ( ! empty( $cron['jetpack_sync_full'] ) ) {
225		return true;
226		}
227		}
228		return false;
229		}
230
231		return !! wp_next_scheduled( 'jetpack_sync_full', array( $modules ) );
232		}
233
234		static function do_full_sync( $modules = null ) {
235		if ( ! self::sync_allowed() ) {
236		return;
237		}
238
239		self::initialize_listener();
240		Jetpack_Sync_Modules::get_module( 'full-sync' )->start( $modules );
241		self::do_cron_full_sync(); // immediately run a cron full sync, which sends pending data
242		}
243
244		static function minute_cron_schedule( $schedules ) {
245		if( ! isset( $schedules["1min"] ) ) {
246		$schedules["1min"] = array(
247		'interval' => 60,
248		'display' => __( 'Every minute' )
249		);
250		}
251		return $schedules;
252		}
253
254		// try to send actions until we run out of things to send,
255		// or have to wait more than 15s before sending again,
256		// or we hit a lock or some other sending issue
257	View Code Duplication	static function do_cron_sync() {
258		if ( ! self::sync_allowed() ) {
259		return;
260		}
261
262		self::initialize_sender();
263
264		// remove shutdown hook - no need to sync twice
265		if ( has_action( 'shutdown', array( self::$sender, 'do_sync' ) ) ) {
266		remove_action( 'shutdown', array( self::$sender, 'do_sync' ) );
267		}
268
269		do {
270		$next_sync_time = self::$sender->get_next_sync_time( 'sync' );
271
272		if ( $next_sync_time ) {
273		$delay = $next_sync_time - time() + 1;
274		if ( $delay > 15 ) {
275		break;
276		} elseif ( $delay > 0 ) {
277		sleep( $delay );
278		}
279		}
280
281		$result = self::$sender->do_sync();
282		} while ( $result );
283		}
284
285	View Code Duplication	static function do_cron_full_sync() {
286		if ( ! self::sync_allowed() ) {
287		return;
288		}
289
290		self::initialize_sender();
291
292		// remove shutdown hook - no need to sync twice
293		if ( has_action( 'shutdown', array( self::$sender, 'do_sync' ) ) ) {
294		remove_action( 'shutdown', array( self::$sender, 'do_sync' ) );
295		}
296
297		do {
298		$next_sync_time = self::$sender->get_next_sync_time( 'full_sync' );
299
300		if ( $next_sync_time ) {
301		$delay = $next_sync_time - time() + 1;
302		if ( $delay > 15 ) {
303		break;
304		} elseif ( $delay > 0 ) {
305		sleep( $delay );
306		}
307		}
308
309		$result = self::$sender->do_full_sync();
310		} while ( $result );
311		}
312
313		static function initialize_listener() {
314		require_once dirname( __FILE__ ) . '/class.jetpack-sync-listener.php';
315		self::$listener = Jetpack_Sync_Listener::get_instance();
316		}
317
318		static function initialize_sender() {
319		require_once dirname( __FILE__ ) . '/class.jetpack-sync-sender.php';
320		self::$sender = Jetpack_Sync_Sender::get_instance();
321
322		// bind the sending process
323		add_filter( 'jetpack_sync_send_data', array( __CLASS__, 'send_data' ), 10, 4 );
324		}
325
326		static function sanitize_filtered_sync_cron_schedule( $schedule ) {
327		$schedule = sanitize_key( $schedule );
328		$schedules = wp_get_schedules();
329
330		// Make sure that the schedule has actually been registered using the `cron_intervals` filter.
331		if ( isset( $schedules[ $schedule ] ) ) {
332		return $schedule;
333		}
334
335		return self::DEFAULT_SYNC_CRON_INTERVAL;
336		}
337
338		static function maybe_schedule_sync_cron( $schedule, $hook ) {
339		if ( ! $hook ) {
340		return;
341		}
342		$schedule = self::sanitize_filtered_sync_cron_schedule( $schedule );
343
344		if ( ! wp_next_scheduled( $hook ) ) {
345		// Schedule a job to send pending queue items once a minute
346		wp_schedule_event( time(), $schedule, $hook );
347		} else if ( $schedule != wp_get_schedule( $hook ) ) {
348		// If the schedule has changed, update the schedule
349		wp_clear_scheduled_hook( $hook );
350		wp_schedule_event( time(), $schedule, $hook );
351		}
352		}
353
354		static function init_sync_cron_jobs() {
355		/**
356		* Allows overriding of the default incremental sync cron schedule which defaults to once per minute.
357		*
358		* @since 4.3.2
359		*
360		* @param string self::DEFAULT_SYNC_CRON_INTERVAL
361		*/
362		$incremental_sync_cron_schedule = apply_filters( 'jetpack_sync_incremental_sync_interval', self::DEFAULT_SYNC_CRON_INTERVAL );
363		self::maybe_schedule_sync_cron( $incremental_sync_cron_schedule, 'jetpack_sync_cron' );
364
365		/**
366		* Allows overriding of the full sync cron schedule which defaults to once per minute.
367		*
368		* @since 4.3.2
369		*
370		* @param string self::DEFAULT_SYNC_CRON_INTERVAL
371		*/
372		$full_sync_cron_schedule = apply_filters( 'jetpack_sync_full_sync_interval', self::DEFAULT_SYNC_CRON_INTERVAL );
373		self::maybe_schedule_sync_cron( $full_sync_cron_schedule, 'jetpack_sync_full_cron' );
374		}
375		}
376
377		/**
378		* If the site is using alternate cron, we need to init the listener and sender before cron
379		* runs. So, we init at a priority of 9.
380		*
381		* If the site is using a regular cron job, we init at a priority of 90 which gives plugins a chance
382		* to add filters before we initialize.
383		*/
384		if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
385		add_action( 'init', array( 'Jetpack_Sync_Actions', 'init' ), 9 );
386		} else {
387		add_action( 'init', array( 'Jetpack_Sync_Actions', 'init' ), 90 );
388		}
389
390		// We need to define this here so that it's hooked before `updating_jetpack_version` is called
391		add_action( 'updating_jetpack_version', array( 'Jetpack_Sync_Actions', 'schedule_initial_sync' ), 10, 2 );
392

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Jetpack_Sync_Actions::maybe_schedule_sync_cron() A

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