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']);
     $this->set_sync_wait_time($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());
 }
    public function posts_checksum()
    {
        global $wpdb;
        $post_type_sql = Jetpack_Sync_Defaults::get_blacklisted_post_types_sql();
        $query = <<<ENDSQL
\t\t\tSELECT CONV(BIT_XOR(CRC32(CONCAT(ID,post_modified))), 10, 16) 
\t\t\t\tFROM {$wpdb->posts}
\t\t\t\tWHERE {$post_type_sql}
ENDSQL;
        return $wpdb->get_var($query);
    }
 private function enqueue_all_posts()
 {
     global $wpdb;
     $this->set_status('posts', 0);
     $post_type_sql = Jetpack_Sync_Defaults::get_blacklisted_post_types_sql();
     $this->enqueue_all_ids_as_action('jetpack_full_sync_posts', $wpdb->posts, 'ID', $post_type_sql, 'posts');
     $this->set_status('posts', 100);
 }
 function test_default_value_for_max_execution_time()
 {
     // test with strings, non-strings, 0 and null
     ini_set('max_execution_time', '30');
     $this->assertEquals(10, Jetpack_Sync_Defaults::get_max_sync_execution_time());
     ini_set('max_execution_time', 65);
     $this->assertEquals(21, Jetpack_Sync_Defaults::get_max_sync_execution_time());
     ini_set('max_execution_time', '0');
     $this->assertEquals(20, Jetpack_Sync_Defaults::get_max_sync_execution_time());
     ini_set('max_execution_time', null);
     $this->assertEquals(20, Jetpack_Sync_Defaults::get_max_sync_execution_time());
 }