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#--
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# CyborgHood, a distributed system management software.
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# Copyright (c) 2009-2010 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 'eventmachine'
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require 'cyborghood/cyborg/interface'
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require 'cyborghood/cyborg/conversation'
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module CyborgHood
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class BotServer
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private_class_method :new
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attr_reader :interface
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def self.build(interface)
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case Config.instance.botnet.connection_type
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when 'unix_socket'
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return BotServerUNIXSocket.new(interface)
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else
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raise CyberError.new(:unrecoverable, "config", "Unknown botnet connection type")
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end
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end
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def initialize(interface)
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@interface = interface
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@config = Config.instance
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@comm_list = {}
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end
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def run
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EventMachine.run do
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yield
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end
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end
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def stop
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@comm_list.values.each {|conv| conv.bye }
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EventMachine.stop
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end
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# used to quit properly and later to reuse communication channels
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def register_communication(peer, conversation)
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@comm_list[peer] = conversation
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end
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def unregister_communication(peer)
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@comm_list.delete(peer)
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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 BotServerUNIXSocket < BotServer
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public_class_method :new
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def initialize(interface)
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super(interface)
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@socket = File.join(Config::RUN_DIR, @config.bot_name.downcase + ".sock")
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at_exit { remove_socket_file }
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end
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def run
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super do
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EventMachine.start_unix_domain_server(@socket, ConversationUNIXSocket, self)
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end
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end
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private
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def remove_socket_file
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File.delete(@socket) if @socket && File.exist?(@socket)
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end
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end
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# default interface if not overridden
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class EmptyInterface
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include CyborgServerInterface
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include CyborgServerRootInterfaceAddon
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end
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module SimpleServer
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def setup
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super
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@server = BotServer.build(self.interface)
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end
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def run
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super
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@server.run
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end
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def ask_to_stop
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@server.stop
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super
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end
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def interface
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EmptyInterface.instance
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end
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end
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end
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