root/lib/cyborghood/cyborg.rb @ a089227c
| d32ee48a | Marc Dequenes | #--
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# CyborgHood, a distributed system management software.
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| 364e4a96 | Marc Dequènes (Duck) | # Copyright (c) 2009-2011 Marc Dequènes (Duck) <Duck@DuckCorp.org>
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| d32ee48a | Marc Dequenes | #
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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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| ecdabe95 | Marc Dequènes (Duck) | require 'cyborghood'
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| bc642412 | Marc Dequènes (Duck) | require 'eventmachine'
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| a089227c | Marc Dequènes (Duck) | require 'thread'
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| d7ae0ab2 | Marc Dequènes (Duck) | require 'cyborghood/cyborg/dsl'
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| 3b07cbbc | duck | ||
module CyborgHood
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| 66cff75f | Marc Dequènes (Duck) | module TaskAspect
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def task(name, &block)
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| 7988a0ad | Marc Dequènes (Duck) | the_bot = self.is_a?(Cyborg) ? self : self.bot
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DSL::Task.new(the_bot, name, &block)
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| 66cff75f | Marc Dequènes (Duck) | end
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| ce01c950 | Marc Dequènes (Duck) | def schedule_task(callback = nil, &task)
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| 66cff75f | Marc Dequènes (Duck) | EventMachine.defer(task, callback)
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end
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end
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| 3b07cbbc | duck | class Cyborg
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| ecdabe95 | Marc Dequènes (Duck) | include I18nTranslation
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bindtextdomain("cyborghood", {:path => Config::L10N_DIR, :charset => "UTF-8"})
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| 3b07cbbc | duck | ||
| 66cff75f | Marc Dequènes (Duck) | include TaskAspect
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| 90197e7b | Marc Dequènes (Duck) | attr_reader :name, :services
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| 45333094 | Marc Dequènes (Duck) | ||
| 90197e7b | Marc Dequènes (Duck) | def initialize(services = nil)
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@services = services
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| 45333094 | Marc Dequènes (Duck) | ||
| 90197e7b | Marc Dequènes (Duck) | @name = self.class.name.split("::").last
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| 3b07cbbc | duck | @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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| ecdabe95 | Marc Dequènes (Duck) | 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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| 3b07cbbc | duck | else
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| ecdabe95 | Marc Dequènes (Duck) | logger.fatal "Log path does not exist or is not a directory, exiting"
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exit 1
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| 3b07cbbc | duck | end
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end
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end
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| 06f77931 | Marc Dequènes (Duck) | @channels = {}
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| 050eca43 | Marc Dequènes (Duck) | setup
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| 3b07cbbc | duck | ||
| ecdabe95 | Marc Dequènes (Duck) | logger.info "Bot '#{self.human_name}' loaded"
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| 3b07cbbc | duck | end
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| 06f77931 | Marc Dequènes (Duck) | # #^.*/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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| 7d493229 | Marc Dequènes (Duck) | ||
| 06f77931 | Marc Dequènes (Duck) | 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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| 7d493229 | Marc Dequènes (Duck) | @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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| 37b53292 | Marc Dequènes (Duck) | ||
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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| 050eca43 | Marc Dequènes (Duck) | end
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| ecdabe95 | Marc Dequènes (Duck) | def run
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logger.info "Bot starting"
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| bc642412 | Marc Dequènes (Duck) | EventMachine.run do
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start_work
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end
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| 45333094 | Marc Dequènes (Duck) | rescue EventMachine::ConnectionNotBound
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| 37b53292 | Marc Dequènes (Duck) | logger.error "Reactor error: Internal error (EventMachine::ConnectionNotBound)"
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| bc642412 | Marc Dequènes (Duck) | end
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def start_work
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# use "aspects" Modules to define behaviors
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| 050eca43 | Marc Dequènes (Duck) | end
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| a089227c | Marc Dequènes (Duck) | def stop(condition)
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| 050eca43 | Marc Dequènes (Duck) | logger.info "Bot was asked to stop..."
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| a089227c | Marc Dequènes (Duck) | ||
| 34bef607 | Marc Dequènes (Duck) | yield if block_given?
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| a089227c | Marc Dequènes (Duck) | ||
case condition
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when :when_finished
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wait_until_ready_to_stop
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when :quickly
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# try to stop gracefully
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DSL::Task.stop_all
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wait_until_ready_to_stop
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when :at_once
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# it won't wait for anything to finish…
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exit
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end
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| f292535b | Marc Dequènes (Duck) | end
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| a089227c | Marc Dequènes (Duck) | # 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 stop_gracefully
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| 45333094 | Marc Dequènes (Duck) | end
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| a089227c | Marc Dequènes (Duck) | def try_stop
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| 45333094 | Marc Dequènes (Duck) | logger.info "Bot stopping"
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| f292535b | Marc Dequènes (Duck) | EventMachine.next_tick { EventMachine.stop_event_loop }
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| bc642412 | Marc Dequènes (Duck) | end
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| a089227c | Marc Dequènes (Duck) | def ready_to_stop?
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DSL::Task.idle?
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end
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def wait_until_ready_to_stop
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| e321ca6f | Marc Dequènes (Duck) | if ready_to_stop?
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| 06f77931 | Marc Dequènes (Duck) | @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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| a089227c | Marc Dequènes (Duck) | try_stop
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| e321ca6f | Marc Dequènes (Duck) | else
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| a089227c | Marc Dequènes (Duck) | EventMachine.next_tick { wait_until_ready_to_stop }
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| e321ca6f | Marc Dequènes (Duck) | end
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end
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| 7d493229 | Marc Dequènes (Duck) | def process_system_notification(msg)
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end
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| 050eca43 | Marc Dequènes (Duck) | end
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| cec96847 | Marc Dequènes (Duck) | ||
autoload :BotNet, 'cyborghood/cyborg/botnet'
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| 3b07cbbc | duck | end
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