golden hour

/home/godaofbq/cellsonic-usa.com/wp-content/plugins/litespeed-cache/src

File/Folder	Size	Actions
activation.cls.php	17.62 KB
admin-display.cls.php	48.76 KB
admin-settings.cls.php	12.77 KB
admin.cls.php	6.13 KB
api.cls.php	10.44 KB
avatar.cls.php	9.25 KB
base.cls.php	37.66 KB
cdn	-
cdn.cls.php	17.76 KB
cloud-auth-callback.trait.php	10.43 KB
cloud-auth-ip.trait.php	4.33 KB
cloud-auth.trait.php	9.38 KB
cloud-misc.trait.php	10.32 KB
cloud-node.trait.php	5.95 KB
cloud-queue-svc.cls.php	9.33 KB
cloud-request.trait.php	19.68 KB
cloud.cls.php	7.32 KB
conf.cls.php	19.53 KB
control.cls.php	24.35 KB
core.cls.php	21.53 KB
crawler-map.cls.php	22.3 KB
crawler.cls.php	44 KB
css.cls.php	7.26 KB
data.cls.php	22.2 KB
data.upgrade.func.php	6.41 KB
data_structure	-
db-optm.cls.php	15.35 KB
debug2.cls.php	18.4 KB
doc.cls.php	5.45 KB
error.cls.php	7.35 KB
esi.cls.php	31.37 KB
file.cls.php	13.75 KB
guest.cls.php	2.75 KB
gui.cls.php	35.09 KB
health.cls.php	4.66 KB
htaccess.cls.php	29.81 KB
img-optm-manage.trait.php	31.25 KB
img-optm-pull.trait.php	22.1 KB
img-optm-send.trait.php	20.77 KB
img-optm.cls.php	5.25 KB
import.cls.php	4.29 KB
import.preset.cls.php	5.5 KB
lang.cls.php	17.02 KB
localization.cls.php	4.03 KB
media.cls.php	44.06 KB
metabox.cls.php	5.29 KB
object-cache-wp.cls.php	18.82 KB
object-cache.cls.php	21.82 KB
object.lib.php	13.85 KB
optimax.cls.php	8.94 KB
optimize.cls.php	38.74 KB
optimizer.cls.php	12.71 KB
placeholder.cls.php	17.64 KB
purge.cls.php	35.48 KB
report.cls.php	7.53 KB
rest.cls.php	7.95 KB
root.cls.php	14.29 KB
router.cls.php	20.86 KB
str.cls.php	3.08 KB
tag.cls.php	9.26 KB
task.cls.php	8.98 KB
tool.cls.php	4.58 KB
ucss.cls.php	7.34 KB
utility.cls.php	27.11 KB
vary.cls.php	21.33 KB
vpi.cls.php	4.25 KB

Edit: cloud-node.trait.php

<?php
/**
 * Cloud node detection trait
 *
 * @package LiteSpeed
 * @since 7.8
 */

namespace LiteSpeed;

defined( 'WPINC' ) || exit();

/**
 * Trait Cloud_Node
 *
 * Handles cloud node detection and management.
 */
trait Cloud_Node {

/**
	 * Clear all existing cloud nodes for future reconnect
	 *
	 * @since 3.0
	 * @access public
	 */
	public function clear_cloud() {
		foreach ( self::$services as $service ) {
			if ( isset( $this->_summary[ 'server.' . $service ] ) ) {
				unset( $this->_summary[ 'server.' . $service ] );
			}
			if ( isset( $this->_summary[ 'server_date.' . $service ] ) ) {
				unset( $this->_summary[ 'server_date.' . $service ] );
			}
		}
		self::save_summary();

self::debug( 'Cleared all local service node caches' );
	}

/**
	 * Ping clouds to find the fastest node
	 *
	 * @since 3.0
	 * @access public
	 *
	 * @param string $service Service.
	 * @param bool   $force   Force redetect.
	 * @return string|false
	 */
	public function detect_cloud( $service, $force = false ) {
		if ( in_array( $service, self::$center_svc_set, true ) ) {
			return $this->_cloud_server;
		}

if ( in_array( $service, self::$wp_svc_set, true ) ) {
			return $this->_cloud_server_wp;
		}

// Check if the stored server needs to be refreshed
		if ( ! $force ) {
			if (
				! empty( $this->_summary[ 'server.' . $service ] ) &&
				! empty( $this->_summary[ 'server_date.' . $service ] ) &&
				(int) $this->_summary[ 'server_date.' . $service ] > time() - 86400 * self::TTL_NODE
			) {
				$server = $this->_summary[ 'server.' . $service ];
				if ( false === strpos( $this->_cloud_server, 'preview.' ) && false === strpos( $server, 'preview.' ) ) {
					return $server;
				}
				if ( false !== strpos( $this->_cloud_server, 'preview.' ) && false !== strpos( $server, 'preview.' ) ) {
					return $server;
				}
			}
		}

if ( ! $service || ! in_array( $service, self::$services, true ) ) {
			$msg = __( 'Cloud Error', 'litespeed-cache' ) . ': ' . $service;
			Admin_Display::error( $msg );
			return false;
		}

// Send request to Quic Online Service
		$json = $this->_post( self::SVC_D_NODES, [ 'svc' => $this->_maybe_queue( $service ) ] );

// Check if get list correctly
		if ( empty( $json['list'] ) || ! is_array( $json['list'] ) ) {
			self::debug( 'request cloud list failed: ', $json );

if ( $json ) {
				$msg = __( 'Cloud Error', 'litespeed-cache' ) . ": [Service] $service [Info] " . wp_json_encode( $json );
				Admin_Display::error( $msg );
			}

return false;
		}

// Ping closest cloud
		$valid_clouds = false;
		if ( ! empty( $json['list_preferred'] ) ) {
			$valid_clouds = $this->_get_closest_nodes( $json['list_preferred'], $service );
		}
		if ( ! $valid_clouds ) {
			$valid_clouds = $this->_get_closest_nodes( $json['list'], $service );
		}
		if ( ! $valid_clouds ) {
			return false;
		}

// Check server load
		if ( in_array( $service, self::$services_load_check, true ) ) {
			// TODO
			$valid_cloud_loads = [];
			foreach ( $valid_clouds as $v ) {
				$response = wp_safe_remote_get( $v, [ 'timeout' => 5 ] );
				if ( is_wp_error( $response ) ) {
					$error_message = $response->get_error_message();
					self::debug( 'failed to do load checker: ' . $error_message );
					continue;
				}

$curr_load = \json_decode( $response['body'], true );
				if ( ! empty( $curr_load['_res'] ) && 'ok' === $curr_load['_res'] && isset( $curr_load['load'] ) ) {
					$valid_cloud_loads[ $v ] = $curr_load['load'];
				}
			}

if ( ! $valid_cloud_loads ) {
				$msg = __( 'Cloud Error', 'litespeed-cache' ) . ": [Service] $service [Info] " . __( 'No available Cloud Node after checked server load.', 'litespeed-cache' );
				Admin_Display::error( $msg );
				return false;
			}

self::debug( 'Closest nodes list after load check', $valid_cloud_loads );

$qualified_list = array_keys( $valid_cloud_loads, min( $valid_cloud_loads ), true );
		} else {
			$qualified_list = $valid_clouds;
		}

$closest = $qualified_list[ array_rand( $qualified_list ) ];

self::debug( 'Chose node: ' . $closest );

// store data into option locally
		$this->_summary[ 'server.' . $service ]      = $closest;
		$this->_summary[ 'server_date.' . $service ] = time();
		self::save_summary();

return $this->_summary[ 'server.' . $service ];
	}

/**
	 * Ping to choose the closest nodes
	 *
	 * @since 7.0
	 *
	 * @param array  $nodes_list    Node list.
	 * @param string $service Service.
	 * @return array|false
	 */
	private function _get_closest_nodes( $nodes_list, $service ) {
		$speed_list = [];
		foreach ( $nodes_list as $v ) {
			// Exclude possible failed 503 nodes
			if ( ! empty( $this->_summary['disabled_node'] ) && ! empty( $this->_summary['disabled_node'][ $v ] ) && time() - (int) $this->_summary['disabled_node'][ $v ] < 86400 ) {
				continue;
			}
			$speed_list[ $v ] = Utility::ping( $v );
		}

if ( ! $speed_list ) {
			self::debug( 'nodes are in 503 failed nodes' );
			return false;
		}

$min = min( $speed_list );

if ( 99999 === (int) $min ) {
			self::debug( 'failed to ping all clouds' );
			return false;
		}

// Random pick same time range ip (230ms 250ms)
		$range_len    = strlen( $min );
		$range_num    = substr( $min, 0, 1 );
		$valid_clouds = [];
		foreach ( $speed_list as $node => $speed ) {
			if ( strlen( $speed ) === $range_len && substr( $speed, 0, 1 ) === $range_num ) {
				$valid_clouds[] = $node;
			} elseif ( $speed < $min * 4 ) { // Append the lower speed ones
				$valid_clouds[] = $node;
			}
		}

if ( ! $valid_clouds ) {
			$msg = __( 'Cloud Error', 'litespeed-cache' ) . ": [Service] $service [Info] " . __( 'No available Cloud Node.', 'litespeed-cache' );
			Admin_Display::error( $msg );
			return false;
		}

self::debug( 'Closest nodes list', $valid_clouds );
		return $valid_clouds;
	}

/**
	 * May need to convert to queue service
	 *
	 * @param string $service Service.
	 * @return string
	 */
	private function _maybe_queue( $service ) {
		if ( in_array( $service, self::$_queue_svc_set, true ) ) {
			return self::SVC_QUEUE;
		}
		return $service;
	}
}