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<?php
/**
* Jaxl (Jabber XMPP Library)
*
* Copyright (c) 2009-2012, Abhinav Singh <me@abhinavsingh.com>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Abhinav Singh nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRIC
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
// log level
define('JAXL_ERROR', 1);
define('JAXL_WARNING', 2);
define('JAXL_NOTICE', 3);
define('JAXL_INFO', 4);
define('JAXL_DEBUG', 5);
// generic global logging shortcuts for different level of verbosity
function _error($msg) { JAXLLogger::log($msg, JAXL_ERROR); }
function _warning($msg) { JAXLLogger::log($msg, JAXL_WARNING); }
function _notice($msg) { JAXLLogger::log($msg, JAXL_NOTICE); }
function _info($msg) { JAXLLogger::log($msg, JAXL_INFO); }
function _debug($msg) { JAXLLogger::log($msg, JAXL_DEBUG); }
// generic global terminal output colorize method
// finally sends colorized message to terminal using error_log/1
// this method is mainly to escape $msg from file:line and time
// prefix done by _debug, _error, ... methods
function _colorize($msg, $verbosity) { error_log(JAXLLogger::colorize($msg, $verbosity)); }
class JAXLLogger {
public static $level = JAXL_DEBUG;
public static $path = null;
public static $max_log_size = 1000;
protected static $colors = array(
1 => 31, // error: red
2 => 34, // warning: blue
3 => 33, // notice: yellow
4 => 32, // info: green
5 => 37 // debug: white
);
public static function log($msg, $verbosity=1) {
if($verbosity <= self::$level) {
$bt = debug_backtrace(); array_shift($bt); $callee = array_shift($bt);
$msg = basename($callee['file'], '.php').":".$callee['line']." - ".@date('Y-m-d H:i:s')." - ".$msg;
$size = strlen($msg);
if($size > self::$max_log_size) $msg = substr($msg, 0, self::$max_log_size) . ' ...';
if(isset(self::$path)) error_log($msg . PHP_EOL, 3, self::$path);
else error_log(self::colorize($msg, $verbosity));
}
}
public static function colorize($msg, $verbosity) {
return "\033[".self::$colors[$verbosity]."m".$msg."\033[0m";
}
}
?>
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