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# vim: set sw=2 ts=2 expandtab:
#
# Copyright (C) 2010 by James Maki
#
# Author: James Maki <jamescmaki@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
require 'syslog'
# Inform.syslog = false
# if Inform.syslog
# Syslog.open("smsws", Syslog::LOG_NDELAY, Syslog::LOG_LOCAL7)
# else
# Inform.level = Inform::LOG_ERR
# Inform.file = $stdout
# end
module Inform
include Syslog
LEVELS = {
LOG_EMERG => :emerg,
LOG_ALERT => :alert,
LOG_CRIT => :crit,
LOG_ERR => :err,
LOG_WARNING => :warning,
LOG_NOTICE => :notice,
LOG_INFO => :info,
LOG_DEBUG => :debug,
}
LEVELS.each_pair do |key, value|
module_eval <<-EOS
def #{value}(msg)
inform(#{key}, msg, caller[0])
end
EOS
module_function value
end
module_function
def level=(level)
raise ArgumentError, "bad level" unless level >= LOG_EMERG && level <= LOG_DEBUG
@level = level
end
def level
@level
end
def file=(file)
@file = file
end
def file
@file
end
def syslog=(syslog)
@syslog = syslog
end
def syslog
@syslog
end
def inform(level, msg, from = caller[0])
time = Time.now.strftime('%Y-%m-%d %H:%M:%S')
from =~ /(.+)\:(\d+)(?:\:in \`(\S+)\')?/
file = File.basename($1)
line = $2
func = $3
func ||= 'main'
str = "#{time} [#{LEVELS[level].to_s.upcase}] #{file}:#{func}:#{line}: "
if msg.is_a?(Exception)
str << "#{msg.class} #{msg}"
else
str << "#{msg}"
end
log(level, str)
if msg.is_a?(Exception)
msg.backtrace[0..9].each do |line|
log(level, "> #{line}")
end
end
end
def escape_spec(str)
new = ""
str.each_byte { |c|
#if c == "%".ord
if c == ?%
new << "%%"
else
new << c
end
}
return new
end
def log(level, msg)
if @syslog
Syslog.log(level, escape_spec(msg))
elsif @level && @file
@file.puts(msg) if level <= @level
end
end
end
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