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First version of logger

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git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1215 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
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Dominique Fournier
2014-02-28 13:02:13 +00:00
parent 8f2767ce99
commit 2b945686cc
1 changed files with 110 additions and 0 deletions
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logger.php Normal file
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<?php
class logger
{
/* The logger class can be used with :
$d=new logger;
$d->timezone = "Europe/Paris";
$d->logtype="display|file";
$d->logfile="/tmp/toto.log";
$d->logwrite ("Super log default");
$d->logwrite ("Super log DEBUG", $d::DEBUG);
$d->logwrite ("Super log NOTICE", $d::NOTICE); */
// TODO : Add SQL support
public $logtype = "display"; // display, file, syslog
// can be merged with a pipe : "display|syslog"
public $logfile = FALSE;
public $timezone = "UTC";
public $loglevelmin = LOG_NOTICE;
// See http://fr2.php.net/manual/en/function.openlog.php for $syslogFacility
public $syslogFacility = LOG_USER;
public $syslogPrefix = FALSE;
/* Priorities :
LOG_EMERG system is unusable
LOG_ALERT action must be taken immediately
LOG_CRIT critical conditions
LOG_ERR error conditions
LOG_WARNING warning conditions
LOG_NOTICE normal, but significant, condition
LOG_INFO informational message
LOG_DEBUG debug-level message */
private $priorities = array (LOG_EMERG => "EMERG",
LOG_ALERT => "ALERT",
LOG_CRIT => "CRITICAL",
LOG_ERR => "ERROR",
LOG_WARNING => "WARNING",
LOG_NOTICE => "NOTICE",
LOG_INFO => "INFO",
LOG_DEBUG => "DEBUG");
/** Store a new message log in the log manager defined by $logtype */
public function log ($message, $priority=LOG_NOTICE)
{
if ($this->loglevelmin < $priority)
return;
$back = reset (debug_backtrace());
$message .= " [".basename ($back["file"]).":".$back["line"]."]";
$logsType = explode ("|", $this->logtype);
if (in_array ("display", $logsType))
$this->logdisplay ($message, $priority);
if (in_array ("file", $logsType))
$this->logfile ($message, $priority);
if (in_array ("syslog", $logsType))
$this->logsyslog ($message, $priority);
}
/** Log $message on file */
private function logfile ($message, $priority)
{
if ($this->logfile === FALSE)
throw new Exception ("Undefined file where logging");
if (!file_exists ($this->logfile))
{
if (! is_dir (dirname ($this->logfile)))
throw new Exception ("You must create the ".dirname ($this->logfile).
"directory");
if (! is_writable (dirname ($this->logfile)))
throw new Exception ("The directory ".dirname ($this->logfile)." must"
." be writable to create log file");
}
if (!is_writable ($this->logfile))
{
if (function_exists ("posix_geteuid"))
$user = posix_geteuid ();
elseif (getenv('USERNAME') !== FALSE)
$user = getenv('USERNAME');
else
$user = "";
throw new Exception ("Logfile $this->logfile is not writable for user ".
$user);
}
ini_set ("date.timezone", $this->timezone);
$message = date ("Y/m/d H:i:s")." [".$this->priorities[$priority]."] ".
$message."\n";
file_put_contents ($this->logfile, $message, FILE_APPEND);
}
/** Log $message on screen with adding date. Add the HTML flags if not in CLI
*/
private function logdisplay ($message, $priority)
{
if (php_sapi_name () !== "cli")
echo "<tt>";
ini_set ("date.timezone", $this->timezone);
$message = date ("Y/m/d H:i:s")." [".$this->priorities[$priority]."] ".
$message;
echo "$message";
if (php_sapi_name () !== "cli")
echo "</tt><br/>";
echo "\n";
}
/** Log $message on syslog */
private function logsyslog ($message, $priority)
{
openlog ($this->syslogPrefix, NULL, $this->syslogFacility);
syslog ($priority, $message);
}
}