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#--
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# CyborgHood, a distributed system management software.
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# Copyright (c) 2009 Marc Dequènes (Duck) <Duck@DuckCorp.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#++
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$KCODE = 'UTF8'
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require 'jcode'
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require 'singleton'
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require 'yaml'
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require 'log4r'
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require 'gettext'
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require "cyborghood/config"
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require "cyborghood/info"
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require "cyborghood/lang_additions"
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module CyborgHood
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include GetText
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bindtextdomain("cyborghood", {:path => Config::L10N_DIR, :charset => "UTF-8"})
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# severities: :grave :unrecoverable :processable :ignorable
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# categories:
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# - db (not a protocol?)
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# + ldap
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# + sql
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# - protocol
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# + imap
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# + mail
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# - service
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# + dns
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class CyberError < StandardError
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attr_accessor :severity, :category
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#include GetTextSupport
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def initialize(severity, category, message)
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@severity = severity
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@category = category
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super(message)
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end
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end
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class Logger < Log4r::Logger
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include Singleton
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LOG_FORMAT = "[%5l - %d] #PREFIX#%m"
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def output_level(level)
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l = case level
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when :verbose
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Log4r::DEBUG
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when :quiet
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Log4r::FATAL
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else # normal
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Log4r::WARN
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end
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@main_outputter.level = l
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end
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def log_to_file(filename)
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file_outputter = Log4r::FileOutputter.new(filename, :filename => filename)
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file_outputter.formatter = @default_formatter
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self.outputters << file_outputter
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end
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def set_prefix(prefix = "")
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prefix ||= ""
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log_format = LOG_FORMAT.gsub("#PREFIX#", prefix)
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@default_formatter = Log4r::PatternFormatter.new(:pattern => log_format)
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self.outputters.each{|outputter| outputter.formatter = @default_formatter }
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end
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private
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def initialize
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super(PRODUCT)
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self.level = Log4r::DEBUG
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@main_outputter = Log4r::Outputter.stdout
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@main_outputter.level = Log4r::WARN
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self.outputters = [@main_outputter]
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set_prefix()
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end
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end
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class Config
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include Singleton
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CONFFILE_GLOBAL = "cyborghood.conf"
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CONFFILE_BOT = "cyborghood_%s.conf"
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def self.load(name = nil)
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# load all config parts
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config = fetch_config
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unless name.nil?
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config_spc = fetch_config(name)
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config = merge_configs(config, config_spc) if config_spc
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end
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# create config object for easier access
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@@config = config.to_ostruct.freeze
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end
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def method_missing(sym, *args, &block)
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begin
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@@config.send sym, *args, &block
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rescue
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nil
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end
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end
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private
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def self.fetch_config(name = nil)
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begin
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if name.nil?
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filename = CONFFILE_GLOBAL
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else
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filename = sprintf(CONFFILE_BOT, name)
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end
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filepath = File.join(File.expand_path(CFG_DIR), filename)
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str = File.read(filepath)
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YAML.load(str)
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rescue
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logger.fatal "Problems fetching configuration file '" + filepath + "': " + $!
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exit 1
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end
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end
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def self.merge_configs(conf1, conf2)
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new_conf = conf1.dup
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conf2.each_pair do |k, v|
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if conf1.has_key?(k) and conf1[k].is_a?(Hash) and v.is_a?(Hash)
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new_conf[k] = merge_configs(conf1[k], v)
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else
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new_conf[k] = v
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end
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end
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return new_conf
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end
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end
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class I18n
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include Singleton
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include GetText
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def initialize
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@config = Config.instance
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end
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def available_languages
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list = ['en'] + Dir.new(Config::L10N_DIR).select{|d| File.directory?(d) and d[0..0] != "." }
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# local admin can restrict available languages
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# (may be useful if l10n is partial due to third party plugins)
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list = list & @config.i18n.restricted_language_set if @config.i18n.restricted_language_set
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list = ['en'] if list.empty?
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list
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end
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def set_language(lang)
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set_locale(lang)
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end
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def set_default_language
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set_language('en')
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end
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def set_language_for_user(user)
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if user.nil?
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set_default_language
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else
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logger.debug "User preference for language: " + user.preferredLanguage
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lang = user.prefered_language(self.available_languages)
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if lang.nil?
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logger.debug "No available langage fits the user preference, using english"
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lang = 'en'
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else
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logger.debug "Language better fitting user preference: " + lang
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end
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set_language(lang)
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end
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end
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end
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end
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