functions.logging

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 if [ -z "${LOG_FACILITY}" ]; then
  23         LOG_FACILITY="network"
  24 fi
  25
  26 LOG_LEVEL="DEBUG"
  27
  28 if [ -z "${LOG_DISABLE_STDOUT}" ]; then
  29         LOG_DISABLE_STDOUT=false
  30 fi
  31
  32 function log() {
  33         local level=${1}
  34         shift
  35         local message="$@"
  36
  37         if [ -z "${DEBUG}" ] && [ "${level}" = "DEBUG" ]; then
  38                 return
  39         fi
  40
  41         # Set a prefix if we are in a hook.
  42         if [ -n "${HOOK}" ]; then
  43                 message="${HOOK}: ${message}"
  44         fi
  45
  46         logger -t "${LOG_FACILITY}[$$]" "${message}"
  47
  48         # Leave here, when there should be no output on the console.
  49         [ "${LOG_DISABLE_STDOUT}" = "true" ] && return 0
  50
  51         local colour
  52         local console="2"
  53         case "${level}" in
  54                 DEBUG)
  55                         colour="${CLR_CYAN_R}"
  56                         ;;
  57                 INFO)
  58                         colour="${CLR_BLACK_R}"
  59                         console="1"
  60                         ;;
  61                 WARNING)
  62                         colour="${CLR_YELLOW_R}"
  63                         ;;
  64                 ERROR)
  65                         colour="${CLR_RED_B}"
  66                         ;;
  67         esac
  68
  69         case "${console}" in
  70                 1)
  71                         printf "${colour}${message}${CLR_RESET_ALL}\n"
  72                         ;;
  73                 2)
  74                         printf "${colour}${message}${CLR_RESET_ALL}\n" >&2
  75                         ;;
  76         esac
  77 }