Jetpack_Sync_Sender::__construct() - Code Metrics - Inspection of "JPO: update widget instance and option only if the..." - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

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created 2018-01-23 16:02 UTC

Jetpack_Sync_Sender::__construct() A

↳ Parent: Jetpack_Sync_Sender

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	3
nc	1
nop	0
dl	0
loc	4
rs	10
c	0
b	0
f	0

<?php

require_once dirname( __FILE__ ) . '/class.jetpack-sync-queue.php';
require_once dirname( __FILE__ ) . '/class.jetpack-sync-defaults.php';
require_once dirname( __FILE__ ) . '/class.jetpack-sync-json-deflate-array-codec.php';
require_once dirname( __FILE__ ) . '/class.jetpack-sync-modules.php';
require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php';

/**
 * This class grabs pending actions from the queue and sends them
 */
class Jetpack_Sync_Sender {

	const NEXT_SYNC_TIME_OPTION_NAME = 'jetpack_next_sync_time';
	const WPCOM_ERROR_SYNC_DELAY = 60;
	const QUEUE_LOCKED_SYNC_DELAY = 10;

	private $dequeue_max_bytes;
	private $upload_max_bytes;
	private $upload_max_rows;
	private $max_dequeue_time;
	private $sync_wait_time;
	private $sync_wait_threshold;
	private $enqueue_wait_time;
	private $sync_queue;
	private $full_sync_queue;
	private $codec;
	private $old_user;

	// singleton functions
	private static $instance;

	public static function get_instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	// this is necessary because you can't use "new" when you declare instance properties >:(
	protected function __construct() {
		$this->set_defaults();
		$this->init();
	}

	private function init() {
		add_action( 'jetpack_sync_before_send_queue_sync', array( $this, 'maybe_set_user_from_token' ), 1 );
		add_action( 'jetpack_sync_before_send_queue_sync', array( $this, 'maybe_clear_user_from_token' ), 20 );
		foreach ( Jetpack_Sync_Modules::get_modules() as $module ) {
			$module->init_before_send();
		}
	}

	public function maybe_set_user_from_token( ) {
		$jetpack = Jetpack::init();
		$verified_user = $jetpack->verify_xml_rpc_signature();
		if ( Jetpack_Constants::is_true( 'XMLRPC_REQUEST' ) &&
			! is_wp_error( $verified_user )
			&& $verified_user
		) {
			$old_user = wp_get_current_user();
			$this->old_user = isset( $old_user->ID ) ? $old_user->ID : 0;
			wp_set_current_user( $verified_user['user_id'] );
		}
	}

	public function maybe_clear_user_from_token() {
		if ( isset( $this->old_user ) ) {
			wp_set_current_user( $this->old_user );
		}
	}

	public function get_next_sync_time( $queue_name ) {
		return (double) get_option( self::NEXT_SYNC_TIME_OPTION_NAME . '_' . $queue_name, 0 );
	}

	public function set_next_sync_time( $time, $queue_name ) {
		return update_option( self::NEXT_SYNC_TIME_OPTION_NAME . '_' . $queue_name, $time, true );
	}

	public function do_full_sync() {
		if ( ! Jetpack_Sync_Modules::get_module( 'full-sync' ) ) {
			return;
		}
		$this->continue_full_sync_enqueue();
		return $this->do_sync_and_set_delays( $this->full_sync_queue );
	}

	private function continue_full_sync_enqueue() {
		if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
			return false;
		}

		if ( $this->get_next_sync_time( 'full-sync-enqueue' ) > microtime( true ) ) {
			return false;
		}

		Jetpack_Sync_Modules::get_module( 'full-sync' )->continue_enqueuing();

		$this->set_next_sync_time( time() + $this->get_enqueue_wait_time(), 'full-sync-enqueue' );
	}

	public function do_sync() {
		return $this->do_sync_and_set_delays( $this->sync_queue );
	}

	public function do_sync_and_set_delays( $queue ) {
		// don't sync if importing
		if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
			return new WP_Error( 'is_importing' );
		}

		// don't sync if we are throttled
		if ( $this->get_next_sync_time( $queue->id ) > microtime( true ) ) {
			return new WP_Error( 'sync_throttled' );
		}

		$start_time = microtime( true );

		Jetpack_Sync_Settings::set_is_syncing( true );

		$sync_result = $this->do_sync_for_queue( $queue );

		Jetpack_Sync_Settings::set_is_syncing( false );

		$exceeded_sync_wait_threshold = ( microtime( true ) - $start_time ) > (double) $this->get_sync_wait_threshold();

		if ( is_wp_error( $sync_result ) ) {
			if ( 'unclosed_buffer' === $sync_result->get_error_code() ) {
				$this->set_next_sync_time( time() + self::QUEUE_LOCKED_SYNC_DELAY, $queue->id );
			}
			if ( 'wpcom_error' === $sync_result->get_error_code() ) {
				$this->set_next_sync_time( time() + self::WPCOM_ERROR_SYNC_DELAY, $queue->id );
			}
		} elseif ( $exceeded_sync_wait_threshold ) {
			// if we actually sent data and it took a while, wait before sending again
			$this->set_next_sync_time( time() + $this->get_sync_wait_time(), $queue->id );
		}

		return $sync_result;
	}

	public function get_items_to_send( $buffer, $encode = true ) {
		// track how long we've been processing so we can avoid request timeouts
		$start_time = microtime( true );
		$upload_size   = 0;
		$items_to_send = array();
		$items         = $buffer->get_items();
		// set up current screen to avoid errors rendering content
		require_once( ABSPATH . 'wp-admin/includes/class-wp-screen.php' );
		require_once( ABSPATH . 'wp-admin/includes/screen.php' );
		set_current_screen( 'sync' );
		$skipped_items_ids = array();
		// we estimate the total encoded size as we go by encoding each item individually
		// this is expensive, but the only way to really know :/
		foreach ( $items as $key => $item ) {
			// Suspending cache addition help prevent overloading in memory cache of large sites.
			wp_suspend_cache_addition( true );
			/**
			 * Modify the data within an action before it is serialized and sent to the server
			 * For example, during full sync this expands Post ID's into full Post objects,
			 * so that we don't have to serialize the whole object into the queue.
			 *
			 * @since 4.2.0
			 *
			 * @param array The action parameters
			 * @param int The ID of the user who triggered the action
			 */
			$item[1] = apply_filters( 'jetpack_sync_before_send_' . $item[0], $item[1], $item[2] );
			wp_suspend_cache_addition( false );
			if ( $item[1] === false ) {
				$skipped_items_ids[] = $key;
				continue;
			}
			$encoded_item = $encode ? $this->codec->encode( $item ) : $item;
			$upload_size += strlen( $encoded_item );
			if ( $upload_size > $this->upload_max_bytes && count( $items_to_send ) > 0 ) {
				break;
			}
			$items_to_send[ $key ] = $encoded_item;
			if ( microtime(true) - $start_time > $this->max_dequeue_time ) {
				break;
			}
		}

		return array( $items_to_send, $skipped_items_ids, $items, microtime( true ) - $start_time );
	}

	public function do_sync_for_queue( $queue ) {

		do_action( 'jetpack_sync_before_send_queue_' . $queue->id );
		if ( $queue->size() === 0 ) {
			return new WP_Error( 'empty_queue_' . $queue->id );
		}
		// now that we're sure we are about to sync, try to
		// ignore user abort so we can avoid getting into a
		// bad state
		if ( function_exists( 'ignore_user_abort' ) ) {
			ignore_user_abort( true );
		}

		$checkout_start_time = microtime( true );

		$buffer = $queue->checkout_with_memory_limit( $this->dequeue_max_bytes, $this->upload_max_rows );

		if ( ! $buffer ) {
			// buffer has no items
			return new WP_Error( 'empty_buffer' );
		}

		if ( is_wp_error( $buffer ) ) {
			return $buffer;
		}

		$checkout_duration = microtime( true ) - $checkout_start_time;

		list( $items_to_send, $skipped_items_ids, $items, $preprocess_duration ) = $this->get_items_to_send( $buffer, true );

		/**
		 * Fires when data is ready to send to the server.
		 * Return false or WP_Error to abort the sync (e.g. if there's an error)
		 * The items will be automatically re-sent later
		 *
		 * @since 4.2.0
		 *
		 * @param array $data The action buffer
		 * @param string $codec The codec name used to encode the data
		 * @param double $time The current time
		 * @param string $queue The queue used to send ('sync' or 'full_sync')
		 */
		Jetpack_Sync_Settings::set_is_sending( true );
		$processed_item_ids = apply_filters( 'jetpack_sync_send_data', $items_to_send, $this->codec->name(), microtime( true ), $queue->id, $checkout_duration, $preprocess_duration );
		Jetpack_Sync_Settings::set_is_sending( false );

		if ( ! $processed_item_ids || is_wp_error( $processed_item_ids ) ) {
			$checked_in_item_ids = $queue->checkin( $buffer );
			if ( is_wp_error( $checked_in_item_ids ) ) {
				error_log( 'Error checking in buffer: ' . $checked_in_item_ids->get_error_message() );
				$queue->force_checkin();
			}
			if ( is_wp_error( $processed_item_ids ) ) {
				return new WP_Error( 'wpcom_error', $processed_item_ids->get_error_code() );
			}
			// returning a WP_Error('wpcom_error') is a sign to the caller that we should wait a while
			// before syncing again
			return new WP_Error( 'wpcom_error', 'jetpack_sync_send_data_false' );
		} else {
			// detect if the last item ID was an error
			$had_wp_error = is_wp_error( end( $processed_item_ids ) );
			if ( $had_wp_error ) {
				$wp_error = array_pop( $processed_item_ids );
			}
			// also checkin any items that were skipped
			if ( count( $skipped_items_ids ) > 0 ) {
				$processed_item_ids = array_merge( $processed_item_ids, $skipped_items_ids );
			}
			$processed_items = array_intersect_key( $items, array_flip( $processed_item_ids ) );
			/**
			 * Allows us to keep track of all the actions that have been sent.
			 * Allows us to calculate the progress of specific actions.
			 *
			 * @since 4.2.0
			 *
			 * @param array $processed_actions The actions that we send successfully.
			 */
			do_action( 'jetpack_sync_processed_actions', $processed_items );
			$queue->close( $buffer, $processed_item_ids );
			// returning a WP_Error is a sign to the caller that we should wait a while
			// before syncing again
			if ( $had_wp_error ) {
				return new WP_Error( 'wpcom_error', $wp_error->get_error_code() );
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
			}
		}
		return true;
	}

	function get_sync_queue() {
		return $this->sync_queue;
	}

	function get_full_sync_queue() {
		return $this->full_sync_queue;
	}

	function get_codec() {
		return $this->codec;
	}

	function send_checksum() {
		require_once 'class.jetpack-sync-wp-replicastore.php';
		$store = new Jetpack_Sync_WP_Replicastore();
		do_action( 'jetpack_sync_checksum', $store->checksum_all() );
	}

	function reset_sync_queue() {
		$this->sync_queue->reset();
	}

	function reset_full_sync_queue() {
		$this->full_sync_queue->reset();
	}

	function set_dequeue_max_bytes( $size ) {
		$this->dequeue_max_bytes = $size;
	}

	// in bytes
	function set_upload_max_bytes( $max_bytes ) {
		$this->upload_max_bytes = $max_bytes;
	}

	// in rows
	function set_upload_max_rows( $max_rows ) {
		$this->upload_max_rows = $max_rows;
	}

	// in seconds
	function set_sync_wait_time( $seconds ) {
		$this->sync_wait_time = $seconds;
	}

	function get_sync_wait_time() {
		return $this->sync_wait_time;
	}

	function set_enqueue_wait_time( $seconds ) {
		$this->enqueue_wait_time = $seconds;
	}

	function get_enqueue_wait_time() {
		return $this->enqueue_wait_time;
	}

	// in seconds
	function set_sync_wait_threshold( $seconds ) {
		$this->sync_wait_threshold = $seconds;
	}

	function get_sync_wait_threshold() {
		return $this->sync_wait_threshold;
	}

	// in seconds
	function set_max_dequeue_time( $seconds ) {
		$this->max_dequeue_time = $seconds;
	}

	function set_defaults() {
		$this->sync_queue      = new Jetpack_Sync_Queue( 'sync' );
		$this->full_sync_queue = new Jetpack_Sync_Queue( 'full_sync' );
		$this->codec           = new Jetpack_Sync_JSON_Deflate_Array_Codec();

		// saved settings
		Jetpack_Sync_Settings::set_importing( null );
		$settings = Jetpack_Sync_Settings::get_settings();
		$this->set_dequeue_max_bytes( $settings['dequeue_max_bytes'] );
		$this->set_upload_max_bytes( $settings['upload_max_bytes'] );
		$this->set_upload_max_rows( $settings['upload_max_rows'] );
		$this->set_sync_wait_time( $settings['sync_wait_time'] );
		$this->set_enqueue_wait_time( $settings['enqueue_wait_time'] );
		$this->set_sync_wait_threshold( $settings['sync_wait_threshold'] );
		$this->set_max_dequeue_time( Jetpack_Sync_Defaults::get_max_sync_execution_time() );
	}

	function reset_data() {
		$this->reset_sync_queue();
		$this->reset_full_sync_queue();

		foreach ( Jetpack_Sync_Modules::get_modules() as $module ) {
			$module->reset_data();
		}

		foreach ( array( 'sync', 'full_sync', 'full-sync-enqueue' ) as $queue_name ) {
			delete_option( self::NEXT_SYNC_TIME_OPTION_NAME . '_' . $queue_name );
		}

		Jetpack_Sync_Settings::reset_data();
	}

	function uninstall() {
		// Lets delete all the other fun stuff like transient and option and the sync queue
		$this->reset_data();

		// delete the full sync status
		delete_option( 'jetpack_full_sync_status' );

		// clear the sync cron.
		wp_clear_scheduled_hook( 'jetpack_sync_cron' );
		wp_clear_scheduled_hook( 'jetpack_sync_full_cron' );
	}
}


1			<?php
2
3			require_once dirname( __FILE__ ) . '/class.jetpack-sync-queue.php';
4			require_once dirname( __FILE__ ) . '/class.jetpack-sync-defaults.php';
5			require_once dirname( __FILE__ ) . '/class.jetpack-sync-json-deflate-array-codec.php';
6			require_once dirname( __FILE__ ) . '/class.jetpack-sync-modules.php';
7			require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php';
8
9			/**
10			* This class grabs pending actions from the queue and sends them
11			*/
12			class Jetpack_Sync_Sender {
13
14			const NEXT_SYNC_TIME_OPTION_NAME = 'jetpack_next_sync_time';
15			const WPCOM_ERROR_SYNC_DELAY = 60;
16			const QUEUE_LOCKED_SYNC_DELAY = 10;
17
18			private $dequeue_max_bytes;
19			private $upload_max_bytes;
20			private $upload_max_rows;
21			private $max_dequeue_time;
22			private $sync_wait_time;
23			private $sync_wait_threshold;
24			private $enqueue_wait_time;
25			private $sync_queue;
26			private $full_sync_queue;
27			private $codec;
28			private $old_user;
29
30			// singleton functions
31			private static $instance;
32
33			public static function get_instance() {
34			if ( null === self::$instance ) {
35			self::$instance = new self();
36			}
37
38			return self::$instance;
39			}
40
41			// this is necessary because you can't use "new" when you declare instance properties >:(
42			protected function __construct() {
43			$this->set_defaults();
44			$this->init();
45			}
46
47			private function init() {
48			add_action( 'jetpack_sync_before_send_queue_sync', array( $this, 'maybe_set_user_from_token' ), 1 );
49			add_action( 'jetpack_sync_before_send_queue_sync', array( $this, 'maybe_clear_user_from_token' ), 20 );
50			foreach ( Jetpack_Sync_Modules::get_modules() as $module ) {
51			$module->init_before_send();
52			}
53			}
54
55			public function maybe_set_user_from_token( ) {
56			$jetpack = Jetpack::init();
57			$verified_user = $jetpack->verify_xml_rpc_signature();
58			if ( Jetpack_Constants::is_true( 'XMLRPC_REQUEST' ) &&
59			! is_wp_error( $verified_user )
60			&& $verified_user
61			) {
62			$old_user = wp_get_current_user();
63			$this->old_user = isset( $old_user->ID ) ? $old_user->ID : 0;
64			wp_set_current_user( $verified_user['user_id'] );
65			}
66			}
67
68			public function maybe_clear_user_from_token() {
69			if ( isset( $this->old_user ) ) {
70			wp_set_current_user( $this->old_user );
71			}
72			}
73
74			public function get_next_sync_time( $queue_name ) {
75			return (double) get_option( self::NEXT_SYNC_TIME_OPTION_NAME . '_' . $queue_name, 0 );
76			}
77
78			public function set_next_sync_time( $time, $queue_name ) {
79			return update_option( self::NEXT_SYNC_TIME_OPTION_NAME . '_' . $queue_name, $time, true );
80			}
81
82			public function do_full_sync() {
83			if ( ! Jetpack_Sync_Modules::get_module( 'full-sync' ) ) {
84			return;
85			}
86			$this->continue_full_sync_enqueue();
87			return $this->do_sync_and_set_delays( $this->full_sync_queue );
88			}
89
90			private function continue_full_sync_enqueue() {
91			if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
92			return false;
93			}
94
95			if ( $this->get_next_sync_time( 'full-sync-enqueue' ) > microtime( true ) ) {
96			return false;
97			}
98
99			Jetpack_Sync_Modules::get_module( 'full-sync' )->continue_enqueuing();
100
101			$this->set_next_sync_time( time() + $this->get_enqueue_wait_time(), 'full-sync-enqueue' );
102			}
103
104			public function do_sync() {
105			return $this->do_sync_and_set_delays( $this->sync_queue );
106			}
107
108			public function do_sync_and_set_delays( $queue ) {
109			// don't sync if importing
110			if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
111			return new WP_Error( 'is_importing' );
112			}
113
114			// don't sync if we are throttled
115			if ( $this->get_next_sync_time( $queue->id ) > microtime( true ) ) {
116			return new WP_Error( 'sync_throttled' );
117			}
118
119			$start_time = microtime( true );
120
121			Jetpack_Sync_Settings::set_is_syncing( true );
122
123			$sync_result = $this->do_sync_for_queue( $queue );
124
125			Jetpack_Sync_Settings::set_is_syncing( false );
126
127			$exceeded_sync_wait_threshold = ( microtime( true ) - $start_time ) > (double) $this->get_sync_wait_threshold();
128
129			if ( is_wp_error( $sync_result ) ) {
130			if ( 'unclosed_buffer' === $sync_result->get_error_code() ) {
131			$this->set_next_sync_time( time() + self::QUEUE_LOCKED_SYNC_DELAY, $queue->id );
132			}
133			if ( 'wpcom_error' === $sync_result->get_error_code() ) {
134			$this->set_next_sync_time( time() + self::WPCOM_ERROR_SYNC_DELAY, $queue->id );
135			}
136			} elseif ( $exceeded_sync_wait_threshold ) {
137			// if we actually sent data and it took a while, wait before sending again
138			$this->set_next_sync_time( time() + $this->get_sync_wait_time(), $queue->id );
139			}
140
141			return $sync_result;
142			}
143
144			public function get_items_to_send( $buffer, $encode = true ) {
145			// track how long we've been processing so we can avoid request timeouts
146			$start_time = microtime( true );
147			$upload_size = 0;
148			$items_to_send = array();
149			$items = $buffer->get_items();
150			// set up current screen to avoid errors rendering content
151			require_once( ABSPATH . 'wp-admin/includes/class-wp-screen.php' );
152			require_once( ABSPATH . 'wp-admin/includes/screen.php' );
153			set_current_screen( 'sync' );
154			$skipped_items_ids = array();
155			// we estimate the total encoded size as we go by encoding each item individually
156			// this is expensive, but the only way to really know :/
157			foreach ( $items as $key => $item ) {
158			// Suspending cache addition help prevent overloading in memory cache of large sites.
159			wp_suspend_cache_addition( true );
160			/**
161			* Modify the data within an action before it is serialized and sent to the server
162			* For example, during full sync this expands Post ID's into full Post objects,
163			* so that we don't have to serialize the whole object into the queue.
164			*
165			* @since 4.2.0
166			*
167			* @param array The action parameters
168			* @param int The ID of the user who triggered the action
169			*/
170			$item[1] = apply_filters( 'jetpack_sync_before_send_' . $item[0], $item[1], $item[2] );
171			wp_suspend_cache_addition( false );
172			if ( $item[1] === false ) {
173			$skipped_items_ids[] = $key;
174			continue;
175			}
176			$encoded_item = $encode ? $this->codec->encode( $item ) : $item;
177			$upload_size += strlen( $encoded_item );
178			if ( $upload_size > $this->upload_max_bytes && count( $items_to_send ) > 0 ) {
179			break;
180			}
181			$items_to_send[ $key ] = $encoded_item;
182			if ( microtime(true) - $start_time > $this->max_dequeue_time ) {
183			break;
184			}
185			}
186
187			return array( $items_to_send, $skipped_items_ids, $items, microtime( true ) - $start_time );
188			}
189
190			public function do_sync_for_queue( $queue ) {
191
192			do_action( 'jetpack_sync_before_send_queue_' . $queue->id );
193			if ( $queue->size() === 0 ) {
194			return new WP_Error( 'empty_queue_' . $queue->id );
195			}
196			// now that we're sure we are about to sync, try to
197			// ignore user abort so we can avoid getting into a
198			// bad state
199			if ( function_exists( 'ignore_user_abort' ) ) {
200			ignore_user_abort( true );
201			}
202
203			$checkout_start_time = microtime( true );
204
205			$buffer = $queue->checkout_with_memory_limit( $this->dequeue_max_bytes, $this->upload_max_rows );
206
207			if ( ! $buffer ) {
208			// buffer has no items
209			return new WP_Error( 'empty_buffer' );
210			}
211
212			if ( is_wp_error( $buffer ) ) {
213			return $buffer;
214			}
215
216			$checkout_duration = microtime( true ) - $checkout_start_time;
217
218			list( $items_to_send, $skipped_items_ids, $items, $preprocess_duration ) = $this->get_items_to_send( $buffer, true );
219
220			/**
221			* Fires when data is ready to send to the server.
222			* Return false or WP_Error to abort the sync (e.g. if there's an error)
223			* The items will be automatically re-sent later
224			*
225			* @since 4.2.0
226			*
227			* @param array $data The action buffer
228			* @param string $codec The codec name used to encode the data
229			* @param double $time The current time
230			* @param string $queue The queue used to send ('sync' or 'full_sync')
231			*/
232			Jetpack_Sync_Settings::set_is_sending( true );
233			$processed_item_ids = apply_filters( 'jetpack_sync_send_data', $items_to_send, $this->codec->name(), microtime( true ), $queue->id, $checkout_duration, $preprocess_duration );
234			Jetpack_Sync_Settings::set_is_sending( false );
235
236			if ( ! $processed_item_ids \|\| is_wp_error( $processed_item_ids ) ) {
237			$checked_in_item_ids = $queue->checkin( $buffer );
238			if ( is_wp_error( $checked_in_item_ids ) ) {
239			error_log( 'Error checking in buffer: ' . $checked_in_item_ids->get_error_message() );
240			$queue->force_checkin();
241			}
242			if ( is_wp_error( $processed_item_ids ) ) {
243			return new WP_Error( 'wpcom_error', $processed_item_ids->get_error_code() );
244			}
245			// returning a WP_Error('wpcom_error') is a sign to the caller that we should wait a while
246			// before syncing again
247			return new WP_Error( 'wpcom_error', 'jetpack_sync_send_data_false' );
248			} else {
249			// detect if the last item ID was an error
250			$had_wp_error = is_wp_error( end( $processed_item_ids ) );
251			if ( $had_wp_error ) {
252			$wp_error = array_pop( $processed_item_ids );
253			}
254			// also checkin any items that were skipped
255			if ( count( $skipped_items_ids ) > 0 ) {
256			$processed_item_ids = array_merge( $processed_item_ids, $skipped_items_ids );
257			}
258			$processed_items = array_intersect_key( $items, array_flip( $processed_item_ids ) );
259			/**
260			* Allows us to keep track of all the actions that have been sent.
261			* Allows us to calculate the progress of specific actions.
262			*
263			* @since 4.2.0
264			*
265			* @param array $processed_actions The actions that we send successfully.
266			*/
267			do_action( 'jetpack_sync_processed_actions', $processed_items );
268			$queue->close( $buffer, $processed_item_ids );
269			// returning a WP_Error is a sign to the caller that we should wait a while
270			// before syncing again
271			if ( $had_wp_error ) {
272			return new WP_Error( 'wpcom_error', $wp_error->get_error_code() );
			0 ignored issues – show Bug introduced 2017-05-05 19:23 UTC by Report Bug Copy Issue Report The variable `$wp_error` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
273			}
274			}
275			return true;
276			}
277
278			function get_sync_queue() {
279			return $this->sync_queue;
280			}
281
282			function get_full_sync_queue() {
283			return $this->full_sync_queue;
284			}
285
286			function get_codec() {
287			return $this->codec;
288			}
289
290			function send_checksum() {
291			require_once 'class.jetpack-sync-wp-replicastore.php';
292			$store = new Jetpack_Sync_WP_Replicastore();
293			do_action( 'jetpack_sync_checksum', $store->checksum_all() );
294			}
295
296			function reset_sync_queue() {
297			$this->sync_queue->reset();
298			}
299
300			function reset_full_sync_queue() {
301			$this->full_sync_queue->reset();
302			}
303
304			function set_dequeue_max_bytes( $size ) {
305			$this->dequeue_max_bytes = $size;
306			}
307
308			// in bytes
309			function set_upload_max_bytes( $max_bytes ) {
310			$this->upload_max_bytes = $max_bytes;
311			}
312
313			// in rows
314			function set_upload_max_rows( $max_rows ) {
315			$this->upload_max_rows = $max_rows;
316			}
317
318			// in seconds
319			function set_sync_wait_time( $seconds ) {
320			$this->sync_wait_time = $seconds;
321			}
322
323			function get_sync_wait_time() {
324			return $this->sync_wait_time;
325			}
326
327			function set_enqueue_wait_time( $seconds ) {
328			$this->enqueue_wait_time = $seconds;
329			}
330
331			function get_enqueue_wait_time() {
332			return $this->enqueue_wait_time;
333			}
334
335			// in seconds
336			function set_sync_wait_threshold( $seconds ) {
337			$this->sync_wait_threshold = $seconds;
338			}
339
340			function get_sync_wait_threshold() {
341			return $this->sync_wait_threshold;
342			}
343
344			// in seconds
345			function set_max_dequeue_time( $seconds ) {
346			$this->max_dequeue_time = $seconds;
347			}
348
349			function set_defaults() {
350			$this->sync_queue = new Jetpack_Sync_Queue( 'sync' );
351			$this->full_sync_queue = new Jetpack_Sync_Queue( 'full_sync' );
352			$this->codec = new Jetpack_Sync_JSON_Deflate_Array_Codec();
353
354			// saved settings
355			Jetpack_Sync_Settings::set_importing( null );
356			$settings = Jetpack_Sync_Settings::get_settings();
357			$this->set_dequeue_max_bytes( $settings['dequeue_max_bytes'] );
358			$this->set_upload_max_bytes( $settings['upload_max_bytes'] );
359			$this->set_upload_max_rows( $settings['upload_max_rows'] );
360			$this->set_sync_wait_time( $settings['sync_wait_time'] );
361			$this->set_enqueue_wait_time( $settings['enqueue_wait_time'] );
362			$this->set_sync_wait_threshold( $settings['sync_wait_threshold'] );
363			$this->set_max_dequeue_time( Jetpack_Sync_Defaults::get_max_sync_execution_time() );
364			}
365
366			function reset_data() {
367			$this->reset_sync_queue();
368			$this->reset_full_sync_queue();
369
370			foreach ( Jetpack_Sync_Modules::get_modules() as $module ) {
371			$module->reset_data();
372			}
373
374			foreach ( array( 'sync', 'full_sync', 'full-sync-enqueue' ) as $queue_name ) {
375			delete_option( self::NEXT_SYNC_TIME_OPTION_NAME . '_' . $queue_name );
376			}
377
378			Jetpack_Sync_Settings::reset_data();
379			}
380
381			function uninstall() {
382			// Lets delete all the other fun stuff like transient and option and the sync queue
383			$this->reset_data();
384
385			// delete the full sync status
386			delete_option( 'jetpack_full_sync_status' );
387
388			// clear the sync cron.
389			wp_clear_scheduled_hook( 'jetpack_sync_cron' );
390			wp_clear_scheduled_hook( 'jetpack_sync_full_cron' );
391			}
392			}
393

Automattic / jetpack

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Jetpack_Sync_Sender::__construct() A

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