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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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module CyborgHood
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module DSL
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module BotnetTask
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def ask(peer, key, cmd, *args)
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_add_subtask_using_peer(peer) do |subtask, conv_thread|
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conv_thread.call(cmd, *args) do |reply|
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case reply[:status]
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when :ok
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subtask.results = {key => reply[:result]}
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when :decline
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# TODO: remove this case ???
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when :error
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subtask.errors << reply[:exception]
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end
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subtask.finish
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end
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end
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end
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def know?(peer, key, cmd)
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_add_subtask_using_peer(peer) do |subtask, conv_thread|
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conv_thread.exists?(cmd) do |reply|
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case reply[:status]
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when :ok
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subtask.results = {key => reply[:result]}
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when :decline
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# TODO: remove this case ???
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when :error
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subtask.errors << reply[:exception]
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end
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subtask.finish
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end
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end
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end
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def _add_subtask_using_peer(peer)
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_add_subtask("botnet/peer/#{peer}/out") do |subtask|
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logger.debug "Task '#{@name}': Trying to contact peer '#{peer}'"
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@bot.contact_peer(peer) do |conv|
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if conv
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logger.debug "Task '#{@name}': Peer '#{peer}' contacted, starting conversation"
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@peer_contacted << peer
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# don't use the block call to leave the conversation thread open
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conv_thread = conv.thread(@notification_name)
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yield(subtask, conv_thread)
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else
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logger.debug "Task '#{@name}': Could not contact peer '#{peer}'"
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subtask.errors << CyberError.new(:unrecoverable, "botnet/client/dsl", "Task '#{@name}': could not contact peer '#{peer}'")
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subtask.finish
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end
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end
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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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@peer_contacted = Set.new
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end
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def _finished
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super
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cb = Proc.new do |conv|
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conv.close_thread(@notification_name)
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end
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@peer_contacted.each do |peer|
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@bot.contact_peer(peer, true, &cb)
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end
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end
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end
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Task.class_eval("include BotnetTask")
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end
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end
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