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#--
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# CyborgHood, a distributed system management software.
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# Copyright (c) 2009-2011 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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require 'cyborghood'
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require 'eventmachine'
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require 'cyborghood/cyborg/dsl'
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module CyborgHood
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module TaskAspect
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def task(name, &block)
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DSL::Task.new(self, name, &block)
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end
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def schedule_task(callback, &task)
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EventMachine.defer(task, callback)
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end
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end
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class Cyborg
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include I18nTranslation
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bindtextdomain("cyborghood", {:path => Config::L10N_DIR, :charset => "UTF-8"})
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include TaskAspect
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attr_reader :name, :services
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def initialize(services = nil)
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@services = services
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@name = self.class.name.split("::").last
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@config = Config.instance
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# setup logs
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unless @config.log.nil?
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logger.output_level(@config.log.console_level) unless @config.log.console_level.nil?
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unless @config.log.path.nil?
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if File.directory? @config.log.path
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logger.log_to_file(File.join(@config.log.path, "ch_#{self.class.human_name}.log"))
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else
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logger.fatal "Log path does not exist or is not a directory, exiting"
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exit 1
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end
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end
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end
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@channels = {}
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setup
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logger.info "Bot '#{self.human_name}' loaded"
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end
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# #^.*/system$# categories are reserved
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# but you may enhance or break the system as you wish
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def get_channel(name)
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return @channels[name] if @channels.has_key? name
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@channels[name] = EventMachine::Channel.new
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end
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def drop_channel(name)
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@channels.delete(name)
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end
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def setup
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@system_notification_name = 'global/system'
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@system_notification = get_channel(@system_notification_name)
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@system_notification_processing = @system_notification.subscribe do |msg|
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process_system_notification(msg)
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end
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EventMachine.error_handler do |e|
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logger.error "Reactor error: " + e.to_s
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logger.debug e.backtrace.join("\n")
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end
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end
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def run
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logger.info "Bot starting"
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EventMachine.run do
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start_work
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end
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rescue EventMachine::ConnectionNotBound
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logger.error "Reactor error: Internal error (EventMachine::ConnectionNotBound)"
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end
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def start_work
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# use "aspects" Modules to define behaviors
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end
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def ask_to_stop
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logger.info "Bot was asked to stop..."
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yield if block_given?
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try_stop
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end
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def ready_to_stop?
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DSL::Task.idle?
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end
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def stop
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logger.info "Bot stopping"
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EventMachine.next_tick { EventMachine.stop_event_loop }
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end
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def try_stop
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if ready_to_stop?
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@system_notification.unsubscribe(@system_notification_processing)
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@system_notification_processing = nil
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drop_channel(@system_notification_name)
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stop
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else
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EventMachine.next_tick { try_stop }
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end
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end
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# core capabilities
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def capabilities
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[]
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end
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protected
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def process_system_notification(msg)
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end
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end
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autoload :BotNet, 'cyborghood/cyborg/botnet'
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end
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