root/lib/cyborghood/cyborg/botnet.rb @ d9ef7de9
| ecdabe95 | Marc Dequènes (Duck) | #--
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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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| d7ae0ab2 | Marc Dequènes (Duck) | require 'cyborghood/cyborg/botnet/interface'
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require 'cyborghood/cyborg/botnet/conversation'
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require 'cyborghood/cyborg/botnet/dsl'
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| c501ebc2 | Marc Dequènes (Duck) | require 'set'
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| ecdabe95 | Marc Dequènes (Duck) | ||
module CyborgHood
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| b7f7d214 | Marc Dequènes (Duck) | # default interface if not overridden
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| 70c59c34 | Marc Dequènes (Duck) | # a mere "BotClient" would then always have a default basic interface
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| bc473567 | Marc Dequènes (Duck) | class EmptyInterface
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include CyborgServerInterface
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| b7f7d214 | Marc Dequènes (Duck) | include CyborgServerRootInterfaceAddon
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| bc473567 | Marc Dequènes (Duck) | end
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| c712f2db | Marc Dequènes (Duck) | module BotNet
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attr_reader :interface
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def self.included(base)
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case Config.instance.botnet.connection_type
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when 'unix_socket'
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| d7ae0ab2 | Marc Dequènes (Duck) | return base.class_eval("include BotNetUNIXSocket")
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| c712f2db | Marc Dequènes (Duck) | 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 setup
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super
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| d7ae0ab2 | Marc Dequènes (Duck) | ||
| c712f2db | Marc Dequènes (Duck) | @comm_list = {}
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@comm_list_attempt = {}
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| d7ae0ab2 | Marc Dequènes (Duck) | ||
self.interface.bot = self
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| c712f2db | Marc Dequènes (Duck) | end
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def contact_peer(peer, block)
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| d57fd602 | Marc Dequènes (Duck) | if @comm_list.has_key? peer
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block.call @comm_list[peer]
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else
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| 0299bce8 | Marc Dequènes (Duck) | if @comm_list_attempt.has_key? peer
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@comm_list_attempt[peer] << block
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else
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@comm_list_attempt[peer] = [block]
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# demultiplex callbacks
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callback = proc do |conversation|
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block_list = @comm_list_attempt[peer]
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# purge list at once to avoid races
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@comm_list_attempt.delete(peer)
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block_list.each do |block|
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block.call conversation
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end
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end
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begin
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| c712f2db | Marc Dequènes (Duck) | yield(callback)
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| 0299bce8 | Marc Dequènes (Duck) | rescue
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# TODO: retry (wait_timer + recursive call + counter)
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block.call false
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end
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| 35e0fb89 | Marc Dequènes (Duck) | end
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| d57fd602 | Marc Dequènes (Duck) | end
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end
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| d1e614b5 | Marc Dequènes (Duck) | ||
| bc642412 | Marc Dequènes (Duck) | # 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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| 7d493229 | Marc Dequènes (Duck) | @pending_conversation_close.delete(peer)
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| d1e614b5 | Marc Dequènes (Duck) | end
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def ask_to_stop
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| bc642412 | Marc Dequènes (Duck) | @comm_list.values.each {|conv| conv.bye }
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| d1e614b5 | Marc Dequènes (Duck) | super
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end
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def interface
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| 1c89625f | Marc Dequènes (Duck) | EmptyInterface.instance
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| d1e614b5 | Marc Dequènes (Duck) | end
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| f292535b | Marc Dequènes (Duck) | ||
protected
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| 7d493229 | Marc Dequènes (Duck) | def process_system_notification(msg)
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if msg[:topic] == 'CONVERSATION IDLE'
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peer = @comm_list[msg[:peer]]
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return if peer.nil?
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peer.bye
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else
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super
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end
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end
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| f292535b | Marc Dequènes (Duck) | def ready_to_stop?
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| 4d9f2962 | Marc Dequènes (Duck) | @comm_list.empty? and super
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| f292535b | Marc Dequènes (Duck) | end
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| d1e614b5 | Marc Dequènes (Duck) | end
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| d7ae0ab2 | Marc Dequènes (Duck) | ||
autoload :BotNetUNIXSocket, 'cyborghood/cyborg/botnet/backend/unix'
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| ecdabe95 | Marc Dequènes (Duck) | end
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