root/lib/cyborghood/cyborg/interface.rb @ bc473567
| d1e614b5 | 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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require 'singleton'
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module CyborgHood
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| bc473567 | Marc Dequènes (Duck) | module CyborgServerInterface
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def self.included(base)
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base.class_eval("include Singleton")
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base.extend(ClassMethods)
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end
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| d1e614b5 | Marc Dequènes (Duck) | ||
| bc473567 | Marc Dequènes (Duck) | module ClassMethods
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def decompose_command(cmd)
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object, method = cmd.split('.', 2)
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| ce98dac2 | Marc Dequènes (Duck) | ||
| bc473567 | Marc Dequènes (Duck) | if method
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begin
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klass = object.split('::').inject(self) {|scope, const_name| scope.const_get(const_name)}
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rescue
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return
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end
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| ce98dac2 | Marc Dequènes (Duck) | else
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| bc473567 | Marc Dequènes (Duck) | if object.index("::")
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return
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else
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klass = self
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method = cmd
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end
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| ce98dac2 | Marc Dequènes (Duck) | end
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| bc473567 | Marc Dequènes (Duck) | ||
[klass, method]
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| ce98dac2 | Marc Dequènes (Duck) | end
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| bc473567 | Marc Dequènes (Duck) | def api_method_name?(method)
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method =~ /^api_(.+)$/
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$1
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end
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| ce98dac2 | Marc Dequènes (Duck) | ||
| bc473567 | Marc Dequènes (Duck) | def api_method_to_class_method_name(method)
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"api_#{method}".to_sym
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end
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| ce98dac2 | Marc Dequènes (Duck) | ||
| bc473567 | Marc Dequènes (Duck) | def has_node?(cmd)
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klass, method = self.decompose_command(cmd)
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return false if klass.nil?
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return true if method.nil?
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inst = klass.instance
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inst.api_methods.include?(method)
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end
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| ce98dac2 | Marc Dequènes (Duck) | end
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| d1e614b5 | Marc Dequènes (Duck) | def initialize
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@config = Config.instance
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end
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def api_modules
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@modules ||= self.class.constants.select do |c|
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cc = self.class.const_get(c)
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cc.class == Class and cc.ancestors.include? CyborgServerInterface
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end
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end
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def api_methods
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| ce98dac2 | Marc Dequènes (Duck) | @methods ||= self.methods.collect{|m| self.class.api_method_name?(m) }.compact
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| d1e614b5 | Marc Dequènes (Duck) | end
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# preliminary incoming message handling
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| f94d64b1 | Marc Dequènes (Duck) | def call(cmd, data)
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| ce98dac2 | Marc Dequènes (Duck) | klass, method = self.class.decompose_command(cmd)
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return "551 unknown object" if klass.nil?
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| d1e614b5 | Marc Dequènes (Duck) | ||
inst = klass.instance
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unless inst.api_methods.include?(method)
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return "551 this object has no such method"
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end
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| ce98dac2 | Marc Dequènes (Duck) | begin
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| f94d64b1 | Marc Dequènes (Duck) | formated_data = YAML.load(data) unless data.nil?
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| ce98dac2 | Marc Dequènes (Duck) | rescue
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| f94d64b1 | Marc Dequènes (Duck) | return "552 unreadable data for arguments"
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| ce98dac2 | Marc Dequènes (Duck) | end
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| f94d64b1 | Marc Dequènes (Duck) | return "552 wrong format for arguments" unless formated_data.is_a? Array
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| d1e614b5 | Marc Dequènes (Duck) | begin
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# preliminary outgoing message handling
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| ce98dac2 | Marc Dequènes (Duck) | real_method = self.class.api_method_to_class_method_name(method)
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| f94d64b1 | Marc Dequènes (Duck) | #if inst.method(real_method).arity > 0
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r = inst.send(real_method, *formated_data)
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#else
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# return "552 method does not take any argument" if formated_data
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# r = inst.send(real_method)
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#end
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| ce98dac2 | Marc Dequènes (Duck) | ||
r.to_yaml
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| d1e614b5 | Marc Dequènes (Duck) | rescue
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return "550 method call failed"
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end
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end
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end
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| bc473567 | Marc Dequènes (Duck) | module CyborgServerDefaultInterface
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| ce98dac2 | Marc Dequènes (Duck) | PROTOCOL_VERSION = "0.1~"
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| d1e614b5 | Marc Dequènes (Duck) | ||
def api_product
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PRODUCT
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end
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def api_version
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VERSION
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end
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| ce98dac2 | Marc Dequènes (Duck) | def api_protocol_version
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PROTOCOL_VERSION
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| d1e614b5 | Marc Dequènes (Duck) | end
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def api_bot_name
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@config.bot_name
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end
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end
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end
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