|
#--
|
|
# CyborgHood, a distributed system management software.
|
|
# Copyright (c) 2009-2010 Marc Dequènes (Duck) <Duck@DuckCorp.org>
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#++
|
|
|
|
require 'singleton'
|
|
|
|
|
|
module CyborgHood
|
|
module CyborgServerInterface
|
|
def self.included(base)
|
|
base.class_eval("include Singleton")
|
|
base.extend(ClassMethods)
|
|
end
|
|
|
|
module ClassMethods
|
|
def decompose_command(cmd)
|
|
object, method = cmd.split('.', 2)
|
|
|
|
if method
|
|
begin
|
|
klass = object.split('::').inject(self) {|scope, const_name| scope.const_get(const_name)}
|
|
rescue
|
|
return
|
|
end
|
|
else
|
|
if object.index("::")
|
|
return
|
|
else
|
|
klass = self
|
|
method = cmd
|
|
end
|
|
end
|
|
|
|
[klass, method]
|
|
end
|
|
|
|
def has_node?(cmd)
|
|
klass, method = self.decompose_command(cmd)
|
|
return false if klass.nil?
|
|
return true if method.nil?
|
|
|
|
inst = klass.instance
|
|
inst.api_methods.include?(method)
|
|
end
|
|
|
|
attr_accessor :exported_methods
|
|
attr_accessor :auto_export_public_instance_methods
|
|
|
|
def export_method(syms)
|
|
syms = [syms] unless syms.is_a? Array
|
|
self.exported_methods ||= []
|
|
self.exported_methods += syms.collect{|m| m.to_s }
|
|
end
|
|
end
|
|
|
|
def initialize
|
|
@config = Config.instance
|
|
|
|
self.class.exported_methods ||= []
|
|
self.class.auto_export_public_instance_methods = true
|
|
end
|
|
|
|
def api_modules
|
|
@modules ||= self.class.constants.select do |c|
|
|
cc = self.class.const_get(c)
|
|
cc.class == Class and cc.ancestors.include? CyborgServerInterface
|
|
end
|
|
end
|
|
|
|
def api_methods
|
|
methods = self.class.exported_methods
|
|
methods += self.class.public_instance_methods(false) if self.class.auto_export_public_instance_methods
|
|
methods & self.methods
|
|
end
|
|
|
|
# preliminary incoming message handling
|
|
def call(cmd, data)
|
|
klass, method = self.class.decompose_command(cmd)
|
|
return "551 unknown object" if klass.nil?
|
|
|
|
inst = klass.instance
|
|
|
|
unless inst.api_methods.include?(method)
|
|
return "551 this object has no such method"
|
|
end
|
|
|
|
if data.nil?
|
|
formated_data = []
|
|
else
|
|
begin
|
|
formated_data = YAML.load(data) unless data.nil?
|
|
rescue
|
|
return "552 unreadable data for arguments"
|
|
end
|
|
|
|
return "552 wrong format for arguments" unless formated_data.is_a? Array
|
|
end
|
|
|
|
begin
|
|
# preliminary outgoing message handling
|
|
inst.send(method, *formated_data).to_yaml
|
|
rescue
|
|
return "550 method call failed"
|
|
end
|
|
end
|
|
end
|
|
|
|
module CyborgServerDefaultInterface
|
|
PROTOCOL_VERSION = "0.1~"
|
|
|
|
def self.included(base)
|
|
list = self.public_instance_methods(false)
|
|
base.class_eval do
|
|
export_method list
|
|
end
|
|
end
|
|
|
|
def product_name
|
|
PRODUCT
|
|
end
|
|
|
|
def product_version
|
|
VERSION
|
|
end
|
|
|
|
def protocol_version
|
|
PROTOCOL_VERSION
|
|
end
|
|
|
|
def bot_name
|
|
@config.bot_name
|
|
end
|
|
end
|
|
end
|