377 lines
9.7 KiB
PHP
377 lines
9.7 KiB
PHP
<?php
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namespace Thelia\Log;
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use Thelia\Model\Config;
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class Tlog
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{
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// Nom des variables de configuration
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const VAR_NIVEAU = "tlog_niveau";
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const VAR_DESTINATIONS = "tlog_destinations";
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const VAR_PREFIXE = "tlog_prefixe";
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const VAR_FILES = "tlog_files";
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const VAR_IP = "tlog_ip";
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const VAR_SHOW_REDIRECT = "tlog_show_redirect";
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// Les differents niveaux de trace
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const TRACE = 1;
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const DEBUG = 2;
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const WARNING = 3;
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const INFO = 4;
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const ERROR = 5;
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const FATAL = 6;
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const MUET = PHP_INT_MAX;
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// Valeurs par defaut
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const DEFAUT_NIVEAU = self::MUET;
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const DEFAUT_DESTINATIONS = "Thelia\Log\Destination\TlogDestinationHtml";
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const DEFAUT_PREFIXE = "#NUM: #NIVEAU [#FICHIER:#FONCTION()] {#LIGNE} #DATE #HEURE: ";
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const DEFAUT_FILES = "*";
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const DEFAUT_IP = "";
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const DEFAUT_SHOW_REDIRECT = 0;
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private static $instance = false;
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protected $destinations = array();
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protected $mode_back_office = false;
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protected $niveau = self::MUET;
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protected $prefixe = "";
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protected $files = array();
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protected $all_files = false;
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protected $show_redirect = false;
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private $linecount = 0;
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protected static $ecrire_effectue = false;
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// Les repertoires où rechercher les classes destination
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public $dir_destinations = array();
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public static function instance() {
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if (self::$instance == false) {
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self::$instance = new Tlog();
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// On doit placer les initialisations à ce niveau pour pouvoir
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// utiliser la classe Tlog dans les classes de base (Cnx, BaseObj, etc.)
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// Les placer dans le constructeur provoquerait une boucle
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self::$instance->init();
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}
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return self::$instance;
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}
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protected function init() {
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$niveau = Config::read(self::VAR_NIVEAU, self::DEFAUT_NIVEAU);
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$this->set_niveau($niveau);
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$this->dir_destinations = array(
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__DIR__.'/tlog/destinations'
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//, __DIR__.'/../client/tlog/destinations'
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);
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$this->set_prefixe(Config::read(self::VAR_PREFIXE, self::DEFAUT_PREFIXE));
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$this->set_files(Config::read(self::VAR_FILES, self::DEFAUT_FILES));
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$this->set_ip(Config::read(self::VAR_IP, self::DEFAUT_IP));
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$this->set_destinations(Config::read(self::VAR_DESTINATIONS, self::DEFAUT_DESTINATIONS));
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$this->set_show_redirect(Config::read(self::VAR_SHOW_REDIRECT, self::DEFAUT_SHOW_REDIRECT));
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// Au cas ou il y aurait un exit() quelque part dans le code.
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register_shutdown_function(array($this, 'ecrire_si_exit'));
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}
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// Configuration
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// -------------
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public function set_destinations($destinations) {
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if (! empty($destinations)) {
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$this->destinations = array();
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$classes_destinations = explode(';', $destinations);
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$this->charger_classes_destinations($this->destinations, $classes_destinations);
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}
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}
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public function set_niveau($niveau) {
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$this->niveau = $niveau;
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}
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public function set_prefixe($prefixe) {
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$this->prefixe = $prefixe;
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}
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public function set_files($files) {
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$this->files = explode(";", $files);
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$this->all_files = in_array('*', $this->files);
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}
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public function set_ip($ips) {
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if (! empty($ips) && ! in_array($_SERVER['REMOTE_ADDR'], explode(";", $ips))) $this->niveau = self::MUET;
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}
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public function set_show_redirect($bool) {
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$this->show_redirect = $bool;
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}
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// Configuration d'une destination
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public function set_config($destination, $param, $valeur) {
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if (isset($this->destinations[$destination])) {
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$this->destinations[$destination]->set_config($param, $valeur);
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}
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}
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// Configuration d'une destination
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public function get_config($destination, $param) {
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if (isset($this->destinations[$destination])) {
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return $this->destinations[$destination]->get_config($param);
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}
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return false;
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}
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// Methodes d'accès aux traces
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// ---------------------------
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public static function trace() {
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if (Tlog::instance()->niveau > self::TRACE)
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return;
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$args = func_get_args();
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Tlog::instance()->out("TRACE", $args);
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}
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public static function debug() {
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if (Tlog::instance()->niveau > self::DEBUG)
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return;
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$args = func_get_args();
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Tlog::instance()->out("DEBUG", $args);
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}
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public static function info() {
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if (Tlog::instance()->niveau > self::INFO)
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return;
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$args = func_get_args();
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Tlog::instance()->out("INFO", $args);
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}
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public static function warning() {
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if (Tlog::instance()->niveau > self::WARNING)
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return;
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$args = func_get_args();
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Tlog::instance()->out("WARNING", $args);
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}
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public static function error() {
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if (Tlog::instance()->niveau > self::ERROR)
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return;
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$args = func_get_args();
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Tlog::instance()->out("ERREUR", $args);
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}
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public static function fatal() {
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if (Tlog::instance()->niveau > self::FATAL)
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return;
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$args = func_get_args();
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Tlog::instance()->out("FATAL", $args);
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}
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// Mode back office
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public static function mode_back_office($booleen) {
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foreach(Tlog::instance()->destinations as $dest) {
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$dest->mode_back_office($booleen);
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}
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}
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// Ecriture finale
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public static function ecrire(&$res) {
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self::$ecrire_effectue = true;
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// Muet ? On ne fait rien
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if (Tlog::instance()->niveau == self::MUET) return;
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foreach(Tlog::instance()->destinations as $dest) {
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$dest->ecrire($res);
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}
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}
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public static function ecrire_si_exit() {
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// Si les infos de debug n'ont pas été ecrites, le faire maintenant
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if (self::$ecrire_effectue === false) {
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$res = "";
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self::ecrire($res);
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echo $res;
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}
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}
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public function afficher_redirections($url) {
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if ($this->niveau != self::MUET && $this->show_redirect) {
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echo "
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<html>
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<head><title>Redirection...</title></head>
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<body>
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<a href=\"$url\">Redirection vers $url</a>
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</body>
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</html>
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";
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return true;
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}
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else {
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return false;
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}
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}
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// Permet de déterminer si la trace est active, en prenant en compte
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// le niveau et le filtrage par fichier
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public function active($niveau) {
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if ($this->niveau <= $niveau) {
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$origine = $this->trouver_origine();
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$file = basename($origine['file']);
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if ($this->is_file_active($file)) {
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return true;
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}
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}
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return false;
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}
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public function is_file_active($file) {
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return ($this->all_files || in_array($file, $this->files)) && ! in_array("!$file", $this->files);
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}
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/* -- Methodes privees ---------------------------------------- */
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// Adapté de LoggerLoginEvent dans log4php
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private function trouver_origine() {
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$origine = array();
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if(function_exists('debug_backtrace')) {
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$trace = debug_backtrace();
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$prevHop = null;
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// make a downsearch to identify the caller
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$hop = array_pop($trace);
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while($hop !== null) {
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if(isset($hop['class'])) {
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// we are sometimes in functions = no class available: avoid php warning here
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$className = strtolower($hop['class']);
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if (! empty($className) and ($className == 'tlog' or strtolower(get_parent_class($className)) == 'tlog')) {
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$origine['line'] = $hop['line'];
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$origine['file'] = $hop['file'];
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break;
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}
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}
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$prevHop = $hop;
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$hop = array_pop($trace);
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}
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$origine['class'] = isset($prevHop['class']) ? $prevHop['class'] : 'main';
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if(isset($prevHop['function']) and
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$prevHop['function'] !== 'include' and
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$prevHop['function'] !== 'include_once' and
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$prevHop['function'] !== 'require' and
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$prevHop['function'] !== 'require_once') {
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$origine['function'] = $prevHop['function'];
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} else {
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$origine['function'] = 'main';
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}
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}
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return $origine;
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}
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private function out($level, $tabargs) {
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$text = '';
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foreach ($tabargs as $arg) {
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$text .= is_scalar($arg) ? $arg : print_r($arg, true);
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}
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$origine = $this->trouver_origine();
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$file = basename($origine['file']);
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if ($this->is_file_active($file)) {
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$function = $origine['function'];
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$line = $origine['line'];
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$prefixe = str_replace(
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array("#NUM", "#NIVEAU", "#FICHIER", "#FONCTION", "#LIGNE", "#DATE", "#HEURE"),
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array(1+$this->linecount, $level, $file, $function, $line, date("Y-m-d"), date("G:i:s")),
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$this->prefixe
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);
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$trace = $prefixe . $text;
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foreach($this->destinations as $dest) {
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$dest->ajouter($trace);
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}
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$this->linecount++;
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}
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}
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protected function charger_classes_destinations(&$destinations, $actives = false) {
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foreach($this->dir_destinations as $dir) {
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$classes = array();
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if ($dh = @opendir($dir)) {
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while ($file = readdir($dh)) {
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if ($file == '.' || $file == '..') continue;
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$matches = array();
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if (preg_match("/([^\.]+)\.class\.php/", $file, $matches)) {
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$classname = $matches[1];
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if ( ($actives === false || in_array($classname, $actives)) && ! isset($destinations[$classname])) {
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include_once("$dir/$file");
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$destinations[$classname] = new $classname();
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}
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}
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}
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@closedir($dh);
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}
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}
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}
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} |