131 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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namespace W3TC;
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class UsageStatistics_Sources {
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	static public function w3tc_usage_statistics_summary_from_history( $summary, $history ) {
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		// php data
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		$php_memory_100kb = Util_UsageStatistics::sum( $history, 'php_memory_100kb' );
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		$php_requests = Util_UsageStatistics::sum( $history, 'php_requests' );
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		if ( $php_requests > 0 ) {
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			if ( !isset( $summary['php'] ) ) {
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				$summary['php'] = array();
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			}
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			$summary['php']['memory'] = Util_UsageStatistics::bytes_to_size(
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				$php_memory_100kb / $php_requests * 1024 * 10.24 );
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			$summary['php']['php_requests_v'] = $php_requests;
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			$summary['php']['php_requests'] =
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				Util_UsageStatistics::integer( $php_requests );
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			$summary['php']['php_requests_per_second'] =
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				Util_UsageStatistics::value_per_period_seconds( $php_requests,
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				$summary );
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		}
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		// apc
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		if ( count( $summary['apc_servers'] ) > 0 ) {
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			$apc = new UsageStatistics_Sources_Apc(
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				$summary['apc_servers'] );
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			$summary['apc'] = $apc->get_summary();
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		}
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		// memcached
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		if ( count( $summary['memcached_servers'] ) > 0 ) {
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			$memcached = new UsageStatistics_Sources_Memcached(
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				$summary['memcached_servers'] );
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			$summary['memcached'] = $memcached->get_summary();
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		}
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		// redis
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		if ( count( $summary['redis_servers'] ) > 0 ) {
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			$redis = new UsageStatistics_Sources_Redis(
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				$summary['redis_servers'] );
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			$summary['redis'] = $redis->get_summary();
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		}
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		// cpu snapshot
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		$c = Dispatcher::config();
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		if ( $c->get_boolean( 'stats.cpu.enabled' ) ) {
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			$summary['cpu'] = array(
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				'avg' => round( Util_UsageStatistics::avg( $history, 'cpu' ), 2 )
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			);
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		}
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		// access log data
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		if ( $c->get_boolean( 'stats.access_log.enabled' ) ) {
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			$o = new UsageStatistics_Source_AccessLog( array(
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				'webserver' => $c->get_string( 'stats.access_log.webserver' ),
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				'filename' => $c->get_string( 'stats.access_log.filename' ),
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				'format' => $c->get_string( 'stats.access_log.format' )
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			) );
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			$summary = $o->w3tc_usage_statistics_summary_from_history(
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				$summary, $history );
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		}
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		return $summary;
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	}
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	static public function w3tc_usage_statistics_metric_values( $metric_values ) {
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		$sources = array(
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			'memcached_servers' => array(),
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			'redis_servers' => array(),
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			'apc_servers' => array()
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		);
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		$sources = apply_filters( 'w3tc_usage_statistics_sources',
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			$sources );
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		if ( count( $sources['memcached_servers'] ) > 0 ) {
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			$memcached = new UsageStatistics_Sources_Memcached(
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				$sources['memcached_servers'] );
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			$metric_values['memcached'] = $memcached->get_snapshot();
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		}
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		if ( count( $sources['apc_servers'] ) > 0 ) {
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			$apc = new UsageStatistics_Sources_Apc(
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				$sources['apc_servers']
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			);
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			$metric_values['apc'] = $apc->get_snapshot();
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		}
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		if ( count( $sources['redis_servers'] ) > 0 ) {
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			$redis = new UsageStatistics_Sources_Redis(
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				$sources['redis_servers'] );
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			$metric_values['redis'] = $redis->get_snapshot();
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		}
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		$c = Dispatcher::config();
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		if ( $c->get_boolean( 'stats.cpu.enabled' ) ) {
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			// cpu snapshot
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			$cpu = sys_getloadavg();
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			if ( isset( $cpu[0] ) ) {
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				$metric_values['cpu'] = $cpu[0];
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			}
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		}
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		return $metric_values;
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	}
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	static public function w3tc_usage_statistics_history_set( $history ) {
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		$c = Dispatcher::config();
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		if ( $c->get_boolean( 'stats.access_log.enabled' ) ) {
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			// read access log
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			$o = new UsageStatistics_Source_AccessLog( array(
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				'webserver' => $c->get_string( 'stats.access_log.webserver' ),
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				'filename' => $c->get_string( 'stats.access_log.filename' ),
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				'format' => $c->get_string( 'stats.access_log.format' )
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			) );
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			$history = $o->w3tc_usage_statistics_history_set( $history );
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		}
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		return $history;
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	}
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}
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