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<?php
namespace W3TC;
/**
* Wrapper for NewRelicAPI.
* deprecated
*
* @see NewRelicAPI
*/
class Extension_NewRelic_Service {
private $_api_key;
private $_cache_time;
/**
* Checks Config for the params if they are not provided in the constructor.
*
* @param string $api_key
* @param string $account_id
* @param string $application_id
*/
function __construct( $api_key = '' ) {
$config = Dispatcher::config();
if ( $api_key )
$this->_api_key = $api_key;
else
$this->_api_key = $config->get_string( array( 'newrelic', 'api_key' ) );
$this->_cache_time = $config->get_integer( array( 'newrelic', 'cache_time' ), 5 );
if ( $this->_cache_time < 1 )
$this->_cache_time = 5;
}
/**
* Checks if the platform running WP is supported by New Relic.
* The verifications is based on https://newrelic.com/docs/php/new-relic-for-php
*
* @return array
*/
function verify_compatibility() {
$php_versions = array( '5.2.x', '5.3.x', '5.4.x' );
$verified = array();
$version = explode( '.', PHP_VERSION );
$php_version = sprintf( '%s.%s.%s', $version[0], $version[1], $version[2] );
$php_version_ok = version_compare( $php_version, '5.2', '>' );
$supported_string = __( 'Supported', 'w3-total-cache' );
$verified[__( 'PHP version', 'w3-total-cache' )] =
( $php_version_ok ? $supported_string :
sprintf( __( 'Not supported: %s.', 'w3-total-cache' ),
$php_version ) );
$os_name = php_uname( 's' );
switch ( $os_name ) {
case 'Linux':
/**
* Any other version of Linux with kernel 2.6.13 or later
* (2.6.26 and later highly recommended) and glibc 2.5 or later
*/
$version = explode( '.', php_uname( 'r' ) );
$os_version = sprintf( '%d.%d.%d', $version[0], $version[1], $version[2] );
$os_check = version_compare( $os_version, '2.6.13', '>=' );
break;
case 'FreeBSD':
/**
* You must enable the linkthr build option so that the New Relic agent will not cause your PHP to hang.
*/
$version = explode( '.', php_uname( 'r' ) );
$os_version = sprintf( '%d.%d', $version[0], $version[1] );
$os_check = version_compare( $os_version, '7.3', '>=' );
break;
case 'MacOS/X':
/**
* MacOS/X configurations do not use the standard /etc/init.d/newrelic-daemon script.
* Instead, they use /usr/bin/newrelic-daemon-service in the same way; for example:
* /usr/bin/newrelic-daemon-service restart.
*/
$version = explode( '.', php_uname( 'r' ) );
$os_version = sprintf( '%d.%d', $version[0], $version[1] );
$os_check = version_compare( $os_version, '10.5', '>=' );
break;
case 'Open Solaris':
/**
* snv_134b or later
*/
$version = explode( '.', php_uname( 'r' ) );
$os_version = sprintf( '%d', $version[0] );
$os_check = version_compare( $os_version, '10', '==' );
break;
default:
$os_check = false;
$os_name = php_uname();
$os_version = '';
}
$verified[ __( 'Operating System', 'w3-total-cache' ) ] = ( $os_check ) ?
$supported_string :
sprintf(
// translators: 1 OS name, 2 OS version, 3 opening HTML a tag to NewRelic for PHP requirments, 4 closing HTML a tag.
__(
'Not Supported. (%1$s %2$s See %3$sNewRelic Requirements%4$s page.)',
'w3-total-cache'
),
$os_name,
$os_version,
'<a href="https://docs.newrelic.com/docs/apm/agents/php-agent/getting-started/php-agent-compatibility-requirements/" target="_blank">',
'</a>'
);
/**
* Apache 2.2 or 2.4 via mod_php
* Or any web server that supports FastCGI using php-fpm
*/
$server_software = isset( $_SERVER['SERVER_SOFTWARE'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) : '';
$server = explode( '/', $server_software );
$ws_check = false;
$ws_name = $server_software;
$ws_version = '';
if ( sizeof( $server ) > 1 ) {
$ws_name = $server[0];
$ws_version = $server[1];
if ( sizeof( $version = explode( '.', $ws_version ) )>1 )
$ws_version = sprintf( '%d.%d', $version[0], $version[1] );
}
switch ( true ) {
case Util_Environment::is_apache():
if ( $ws_version )
$ws_check = version_compare( $ws_version, '2.2', '>=' );
break;
case Util_Environment::is_nginx():
$ws_check = php_sapi_name() == 'fpm-fcgi';
$ws_name .= php_sapi_name();
break;
default:
$ws_check = php_sapi_name() == 'fpm-fcgi';
$ws_name = $server_software;
$ws_version = '';
}
$verified[ __( 'Web Server', 'w3-total-cache' ) ] = $ws_check ?
$supported_string :
sprintf(
// translators: 1 Web Server name, 2 Web Server version, 3 opening HTML a tag to NewRelic requirments for php, 4 closing HTML a tag.
__(
'Not Supported. (%1$s %2$s See %3$sNewRelic Requirements%4$s page.)',
'w3-total-cache'
),
$ws_name,
$ws_version,
'<a href="https://docs.newrelic.com/docs/apm/agents/php-agent/getting-started/php-agent-compatibility-requirements/" target="_blank">',
'</a>'
);
return $verified;
}
/**
* Verifies that detectable New Relic functionality is running and configured properly.
* Returns array with what is wrong if verification fails.
*
* @return array|bool
*/
public function verify_running() {
$config = Dispatcher::config();
$error = array();
if ( !$this->get_api_key() )
$error['api_key'] = __( 'API Key is not configured.', 'w3-total-cache' );
if ( $config->get( array( 'newrelic', 'monitoring_type' ) ) == 'browser' ) {
$name = $this->get_effective_appname();
if ( empty( $name ) )
$error['application_id'] = __( 'Application ID is not configured. Enter/Select application name.', 'w3-total-cache' );
} else {
if ( !$this->module_is_enabled() )
$error['module_enabled'] = __( 'PHP module is not enabled.', 'w3-total-cache' );
if ( !$this->agent_enabled() )
$error['agent_enabled'] = __( 'PHP agent is not enabled.', 'w3-total-cache' );
if ( !$this->get_account_id() )
$error['account_id'] = __( 'Account ID is not configured.', 'w3-total-cache' );
if ( $this->get_effective_application_id() == 0 )
$error['application_id'] = __( 'Application ID is not configured. Enter/Select application name.', 'w3-total-cache' );
try {
if ( !$this->get_license_key_from_ini() )
$error['license'] = __( 'License key could not be detected in ini file.', 'w3-total-cache' );
$licences = explode( ' ', trim( $this->get_license_key_from_ini() ) );
$licences = array_map( 'trim', $licences );
if ( $this->get_license_key_from_ini() && $this->get_license_key_from_account()
&& !in_array( trim( $this->get_license_key_from_account() ), $licences ) )
$error['license'] = sprintf( __( 'Configured license key does not match license key(s) in account: <br />%s <br />%s', 'w3-total-cache' )
, $this->get_license_key_from_ini()
, implode( '<br />', $licences ) );
$this->get_account_id();
} catch ( \Exception $ex ) {
$error['api_key'] = __( 'API Key is invalid.', 'w3-total-cache' );
}
}
return $error ? $error : true;
}
/**
* Checks the ini or conf file to see if newrelic is enabled.
*
* @return string
*/
public function agent_enabled() {
return ini_get( 'newrelic.enabled' );
}
/**
* Checks if the New Relic PHP module is enabled
*
* @return bool
*/
public function module_is_enabled() {
return function_exists( 'newrelic_set_appname' );
}
/**
* Retrieves the configured license key in ini/conf files.
*
* @return string
*/
public function get_license_key_from_ini() {
return ini_get( 'newrelic.license' );
}
/**
* Returns the API key
*
* @return string
*/
public function get_api_key() {
return $this->_api_key;
}
/**
* Returns a NewRelicAPI instance depending on configured params.
*
* @param int $api_key
* @return NewRelicAPI
*/
private function getAPI() {
static $api = null;
if ( !$api ) {
require_once W3TC_LIB_NEWRELIC_DIR . '/NewRelicAPI.php';
$api = new \NewRelicAPI( $this->_api_key );
}
return $api;
}
/**
* Retrieves an array with all applications.
*
* @param unknown $account_id
* @return array
*/
public function get_applications() {
if ( empty( $this->_api_key ) )
return array();
return $this->getAPI()->get_applications( $this->get_account_id() );
}
public function get_browser_applications() {
return $this->getAPI()->get_browser_applications();
}
/**
* Retrieves a specific application
*
* @param string $application_id
* @return mixed
*/
public function get_application( $application_id ) {
$applications = $this->get_applications();
return $applications[$application_id];
}
/**
* Retrieves the application summary
*
* @param string $application_id
* @return array
*/
public function get_application_summary() {
return $this->getAPI()->get_application_summary(
$this->get_account_id(), $this->get_effective_application_id() );
}
/**
* Retrievs the account info connected with the API key
*
* @return array|mixed|null
*/
public function get_account() {
static $account = null;
if ( !$account )
$account = $this->getAPI()->get_account();
return $account;
}
/**
* Returns the subscription for the account
*
* @return string|null
*/
public function get_subscription() {
$account = $this->get_account();
if ( $account )
return $account['subscription'];
return null;
}
/**
* Checks if account supports retrieval of metrics (names/data)
*
* @return bool
*/
public function can_get_metrics() {
$subscription = $this->get_subscription();
return $subscription['product-name'] != 'Lite';
}
/**
* Retrieves the license key from the account
*
* @return null|string
*/
public function get_license_key_from_account() {
$account = $this->get_account();
if ( $account )
return $account['license-key'];
return null;
}
/**
* Retrieves the application setting. Cached for 5 minutes.
*
* @return array|mixed
*/
public function get_application_settings() {
$settings = $this->getAPI()->get_application_settings(
$this->get_account_id(), $this->get_effective_application_id() );
return $settings;
}
/**
* Update applications settings
*
* @param array $application
* @return bool
*/
public function update_application_settings( $application ) {
$result = $this->getAPI()->update_application_settings(
$this->get_account_id(), $this->get_effective_application_id(),
$application );
return $result;
}
/**
* Retrieves metric names all or those matching regex with limit. Result is cached.
*
* @param string $regex
* @param string $limit
* @return array|mixed
*/
public function get_metric_names( $regex = '', $limit = '' ) {
$metric_names_object = $this->getAPI()->get_metric_names( $this->get_effective_application_id(), $regex, $limit );
if ( !$metric_names_object )
return array();
$metric_names = array();
foreach ( $metric_names_object as $metric ) {
$metric_names[$metric->name] = $metric;
}
return $metric_names;
}
/**
* Retrieves metric data for the provided metrics
*
* @param array $metrics
* @param string $field metric value field. If a metric name does not have this field the metric name is excluded
* @param int $days
* @param bool $summary
* @param bool $use_subgroup
* @return array|mixed
*/
public function get_metric_data( $metrics, $field, $days=7, $summary = true,
$use_subgroup = true ) {
if ( !is_array( $metrics ) )
$metrics = array( $metrics );
$begin = new \DateTime( gmdate( "Y-m-d G:i:s",
strtotime( ( $days>1 ? "-$days days" : "-$days day" ) ) ) );
$beginStr = $begin->format( 'Y-m-d' ) . 'T' . $begin->format( 'H:i:s' ) . 'Z';
$to = new \DateTime( gmdate( "Y-m-d G:i:s" ) );
$toStr = $to->format( 'Y-m-d' ) . 'T' . $to->format( 'H:i:s' ) . 'Z';
$cache_key = md5( implode( ',', array( $this->get_account_id(),
$this->get_effective_application_id(), $beginStr, $toStr, implode( ',', $metrics ),
$field, $summary ) ) );
$metric_data = $this->getAPI()->get_metric_data( $this->get_account_id(),
$this->get_effective_application_id(), $beginStr, $toStr, $metrics, $field,
$summary );
$formatted_data = array();
if ( $metric_data ) {
foreach ( $metric_data as $metric ) {
$path = explode( '/', $metric->name );
$group = $path[0];
if ( $use_subgroup ) {
$subgroup = isset( $path[1] ) ? ( $path[1] == 'all' ? 0 : $path[1] ): 0;
$formatted_data[$group][$subgroup][] = $metric;
} else {
$formatted_data[$group][] = $metric;
}
}
}
return $formatted_data;
}
/**
* Retrieves the metrics used for the New Relic Dashboard widget
*
* @return array|mixed
*/
public function get_dashboard_metrics() {
$metrics = array( 'Database/all', 'WebTransaction', 'EndUser' );
$field = 'average_response_time';
return $this->get_metric_data( $metrics, $field, 1, true );
}
/**
* Retrieves the top 5 pages with slowest page load
*
* @return array
*/
public function get_slowest_page_load() {
$metric_names = $this->get_metric_names( 'EndUser/WebTransaction/WebTransaction/' );
$metric_names_keys = array_keys( $metric_names );
$metric_data = $this->get_metric_data( $metric_names_keys,
'average_response_time', 1 );
$slowest = array();
if ( $metric_data ) {
$transactions = $metric_data['EndUser']['WebTransaction'];
foreach ( $transactions as $transaction ) {
$key = str_replace( 'EndUser/WebTransaction/WebTransaction', '',
$transaction->name );
$slowest[$key] = $transaction->average_response_time;
}
$slowest = $this->_sort_and_slice( $slowest, 5 );
}
return $slowest;
}
/**
* Retrieves the top 5slowest webtransactions
*
* @return array
*/
public function get_slowest_webtransactions() {
$metric_names = $this->get_metric_names( '^WebTransaction/' );
$metric_names_keys = array_keys( $metric_names );
$metric_data = $this->get_metric_data( $metric_names_keys, 'average_response_time', 1 );
$slowest = array();
if ( $metric_data ) {
$transactions = $metric_data['WebTransaction'];
foreach ( $transactions as $transaction ) {
foreach ( $transaction as $tr_sub ) {
$key = str_replace( 'WebTransaction', '', $tr_sub->name );
$slowest[$key] = $tr_sub->average_response_time;
}
}
$slowest = $this->_sort_and_slice( $slowest, 5 );
}
return $slowest;
}
/**
* Retrieves the top 5 slowest database queries
*
* @return array
*/
public function get_slowest_database() {
$metric_names = $this->get_metric_names( '^Database/' );
$metric_names_keys = array_keys( $metric_names );
$metric_names_keys = array_slice( $metric_names_keys, 7 );
$metric_data = $this->get_metric_data( $metric_names_keys, 'average_response_time', 1, true, false );
$slowest = array();
if ( $metric_data ) {
$transactions = $metric_data['Database'];
foreach ( $transactions as $transaction ) {
$key = str_replace( 'Database', '', $transaction->name );
$slowest[$key] = $transaction->average_response_time;
}
$slowest = $this->_sort_and_slice( $slowest, 5 );
}
return $slowest;
}
/**
* Retrieves the front end response time
*
* @return int
*/
public function get_frontend_response_time() {
$metric_data = $this->get_metric_data( 'EndUser',
'average_fe_response_time', 1, true, false );
return isset( $metric_data['EndUser'] ) ?
$metric_data['EndUser'][0]->average_fe_response_time :
0;
}
/**
* Sorts an array highest to lowest and returns the top $size entries in an array.
*
* @param unknown $slowest
* @param unknown $size
* @return array
*/
private function _sort_and_slice( $slowest, $size ) {
arsort( $slowest, SORT_NUMERIC );
if ( sizeof( $slowest ) > $size )
$slowest = array_slice( $slowest, 0, $size );
return $slowest;
}
/**
* Retrieves the application name thats used on New Relic
*
* @param unknown $application_id
* @return string
*/
public function get_application_name( $application_id ) {
$apps = $this->get_applications( $this->get_account_id() );
return isset( $apps[$application_id] ) ? $apps[$application_id] : '';
}
/**
* Retrieves the account id connected with the provided API key
*
* @param int $api_key
* @return int|null
*/
public function get_account_id() {
if ( empty( $this->_api_key ) )
return 0;
$ids_string = get_option( 'w3tc_nr_account_id' );
$ids = @json_decode( $ids_string, true );
if ( !is_array( $ids ) )
$ids = array();
if ( isset( $ids[$this->_api_key] ) )
return $ids[$this->_api_key];
$ids[$this->_api_key] = 0;
try {
$account = $this->getAPI()->get_account();
if ( $account )
$ids[$this->_api_key] = (int)$account['id'];
} catch ( \Exception $ex ) {
return 0;
}
update_option( 'w3tc_nr_account_id', json_encode( $ids ) );
return $ids[$this->_api_key];
}
/**
* Retrieves the application id from New Relic
*
* @param unknown $appname
* @return int|string
*/
public function get_application_id( $appname ) {
if ( empty( $appname ) )
return 0;
$apps = $this->get_applications();
foreach ( $apps as $id => $name ) {
if ( $name == $appname )
return $id;
}
return 0;
}
public function get_effective_application_id() {
$config = Dispatcher::config();
$monitoring_type = $config->get_string( array( 'newrelic', 'monitoring_type' ) );
if ( $monitoring_type == 'browser' ) {
return $config->get_string( array(
'newrelic', 'browser.application_id' ) );
}
$appname = $this->get_effective_appname();
$ids_string = get_option( 'w3tc_nr_application_id' );
$ids = @json_decode( $ids_string, true );
if ( !is_array( $ids ) )
$ids = array();
$key = md5( $this->_api_key . $appname );
if ( isset( $ids[$key] ) )
return $ids[$key];
try {
$ids[$key] = $this->get_application_id( $appname );
} catch ( \Exception $ex ) {
return 0;
}
update_option( 'w3tc_nr_application_id', json_encode( $ids ) );
return $ids[$key];
}
public function get_effective_appname() {
$config = Dispatcher::config();
$monitoring_type = $config->get_string( array( 'newrelic', 'monitoring_type' ) );
if ( $monitoring_type == 'browser' ) {
$core = Dispatcher::component( 'Extension_NewRelic_Core' );
$a = $core->get_effective_browser_application();
if ( isset( $a['name'] ) )
return $a['name'];
return '?';
}
return $config->get_string( array( 'newrelic', 'apm.application_name' ) );
}
}