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file.php
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PHP Script
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2000-12-07
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3KB
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95 lines
<?php
// $Horde: horde/lib/Log/file.php,v 1.4 2000/06/28 21:36:13 jon Exp $
/**
* The Log_file class is a concrete implementation of the Log::
* abstract class which writes message to a text file.
*
* @author Jon Parise <jon@csh.rit.edu>
* @version $Revision: 1.1 $
* @since Horde 1.3
*/
class Log_file extends Log {
// {{{ properties
/** String holding the filename of the logfile. */
var $filename = '';
/** Integer holding the file handle. */
var $fp = '';
// }}}
// {{{ constructor
/**
* Constructs a new logfile object.
*
* @param $log_name The filename of the logfile.
* @param $ident (optional) The identity string.
* @param $conf (optional) The configuration array.
*/
function Log_file ($log_name, $ident = '', $conf = false) {
$this->filename = $log_name;
$this->ident = $ident;
}
// }}}
// {{{ open()
/**
* Opens the logfile for appending, if it has not already been opened.
* If the file doesn't already exist, attempt to create it. This is
* implicitly called by log(), if necessary.
*/
function open () {
if (!$this->opened) {
$this->fp = fopen($this->filename, 'a');
$this->opened = true;
}
}
// }}}
// {{{ close()
/**
* Closes the logfile, if it is open.
*/
function close () {
if ($this->opened) {
fclose($this->fp);
$this->opened = false;
}
}
// }}}
// {{{ log()
/**
* Writes $message to the currently open logfile. Calls open(), if
* necessary. Also, passes the message along to any Log_observer
* instances that are observing this Log.
*
* @param $message The textual message to be logged.
* @param $priority (optional) The priority of the message. Valid
* values are: LOG_EMERG, LOG_ALERT, LOG_CRIT,
* LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO, and
* LOG_DEBUG. The default is LOG_INFO.
*/
function log ($message, $priority = LOG_INFO) {
if (!$this->opened)
$this->open();
$entry = sprintf("%s %s [%s] %s\n", strftime("%b %d %T"),
$this->ident, Log::priorityToString($priority), $message);
if ($this->fp)
fwrite($this->fp, $entry);
$this->notifyAll(array('priority' => $priority, 'message' => $message));
}
// }}}
}
?>