<?php

# Copyright (c) 2010-2013 Yubico AB
# 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.
#
# 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, STRICT 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.

class Log
{

  function __construct($name='ykksm')
  {
    $this->name=$name;
    $this->fields=array();

    $this->LOG_LEVELS = array(LOG_EMERG=>'LOG_EMERG',
                              LOG_ALERT=>'LOG_ALERT',
                              LOG_CRIT=>'LOG_CRIT',
                              LOG_ERR=>'LOG_ERR',
                              LOG_WARNING=>'LOG_WARNING',
                              LOG_NOTICE=>'LOG_NOTICE',
                              LOG_INFO=>'LOG_INFO',
                              LOG_DEBUG=>'LOG_DEBUG');

    openlog("ykksm", LOG_PID, LOG_LOCAL0);
  }

  function addField($name, $value)
  {
    $this->fields[$name]=$value;
  }

  function log($priority, $message, $arr=null, $logging=FALSE){
    if ($logging) {
      if (is_array($arr)) {
        foreach($arr as $key=>$value){
          $message.=" $key=$value ";
        }
      }
      # Add fields
      $msg_fields = "";
      foreach ($this->fields as $field=>$value) {
        $msg_fields .= "[" . $value . "] ";
      }
      syslog($priority,
             $this->LOG_LEVELS[$priority] . ':' .
             $this->name . ':' .
             $msg_fields .
             $message);
    }
  }
}

?>