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106 lines
3.5 KiB
PHP
106 lines
3.5 KiB
PHP
<?php
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/**
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* encapsulate Zend_Log with one or several log writers within an singleton class
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* @author markus
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* $Id: Log.php 77 2010-02-26 11:58:34Z markus $
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*/
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class Log {
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/**
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* static pointer to instances
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* @var array(Config)
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*/
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private static $instances = array();
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/**
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* can handle several instances, distinct by instance name string
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* @var string
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*/
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private $instanceName = '';
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/**
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* config object
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* @var Zend_Log
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*/
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private $log = null;
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/**
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* make new logger, configuration is taken from system_config, section $instanceName
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* @param string $instanceName
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* @param string $application
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*/
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protected function __construct($instanceName, $application = null) {
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if ($instanceName === null)
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throw new Exception(__METHOD__ . ': expected an instance name, got none');
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$config = Config::getInstance(SYSTEM_CONFIG);
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$log_config = $config->$instanceName;
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$this->log = new Zend_Log();
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if (isset($log_config->file) && intval($log_config->file->enabled) !== 0) {
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$file_logger = new Zend_Log_Writer_Stream($log_config->file->name);
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/**
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*
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$format = Zend_Log_Formatter_Simple::DEFAULT_FORMAT;
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$formatter = new Zend_Log_Formatter_Simple($format);
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$file_logger->setFormatter($formatter);
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*/
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if (isset($application) && $application != '')
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$this->log->setEventItem('application', $application);
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$formatter = new Zend_Log_Formatter_Simple('%syslog_time% %application%[%pid%]: %priorityName%: %message%' . PHP_EOL);
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$file_logger->setFormatter($formatter);
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$this->log->addWriter($file_logger);
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}
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if (isset($log_config->syslog) && intval($log_config->syslog->enabled) !== 0) {
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$param = array('facility' => $log_config->syslog->facility);
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if (isset($application) && $application != '')
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$param['application'] = $application;
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$sys_logger = new Zend_Log_Writer_Syslog($param);
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$formatter = new Zend_Log_Formatter_Simple('%priorityName%: %message%' . PHP_EOL);
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$sys_logger->setFormatter($formatter);
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$this->log->addWriter($sys_logger);
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}
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$filter = new Zend_Log_Filter_Priority(intval($log_config->priority));
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$this->log->addFilter($filter);
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}
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/**
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* get already existing instance, make new instance or throw an exception
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* @param string $instanceName
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* @param string $application
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*/
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public static function getInstance($instanceName = null, $application = null) {
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if ($instanceName === null) {
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if (count(self::$instances) == 0)
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throw new Exception(__METHOD__ . ': expected an instance name, got none');
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return self::$instances[0];
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}
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if (!array_key_exists($instanceName, self::$instances)) {
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self::$instances[$instanceName] = new Log($instanceName, $application);
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}
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return self::$instances[$instanceName];
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}
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/**
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* return SYSTEM_LOG for convenience
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* @return Zend_Log
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*/
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public static function Log() {
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return self::$instances[SYSTEM_LOG]->getLog();
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}
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/**
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* get the Zend_Log object
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* @return Zend_Log
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*/
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public function getLog() {
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$this->log->setEventItem('pid', posix_getpid());
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$this->log->setEventItem('syslog_time', date('Y-m-d H:i:s'));
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return $this->log;
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}
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}
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